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1. Phase III trial of short-course radiotherapy followed by CAPOXIRI versus CAPOX in locally advanced rectal cancer: the ENSEMBLE trial

Author

J. Watanabe, Y. Kagawa, K. Chida, K. Ando, D. Kotani, K. Oba, H. Bando, H. Hojo, S. Shimamoto, S. Sakashita, T. Kuwata, T. Tsuboyama, N. Hosomi, M. Uemura, K. Uehara, M. Ito, E. Oki, I. Takemasa, E. Misugi, G. Sledge, K. Sumani, S. Imoto, T. Kato, and T. Yoshino

Subjects
total neoadjuvant therapy, locally advanced rectal cancer, non-operative management, triplet, randomized controlled trial, whole-genome sequencing, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282
Abstract

The two key concerns in treating locally advanced rectal cancer (LARC) are as follows: (i) prolonging survival by reducing distant metastases and (ii) maintaining anorectal function and quality of life in surviving patients by safely avoiding rectal resection. To resolve these issues, in recent years, total neoadjuvant therapy (TNT), a preoperative combination of chemoradiotherapy or short-course radiotherapy (SCRT) and systemic chemotherapy, has been developed as a multidisciplinary treatment of LARC. There have been no prospective studies on consolidation triplet versus doublet regimens after SCRT. This randomized phase III trial (the ENSEMBLE trial) aims to test the superiority of consolidation irinotecan, capecitabine, and oxaliplatin over capecitabine and oxaliplatin after SCRT as TNT for LARC. The primary endpoint will be organ preservation-adapted disease-free survival in the intention-to-treat population. Moreover, no predictive biomarkers have been established for LARC. Therefore, to explore the predictive biomarkers for estimating the response to TNT and non-operative management, we planned translational research using multi-omics data, including genomic profiling with whole-genome/transcriptome sequencing of tissue and blood samples, liquid biopsy, radiomics, digital pathology, clinical features by deep learning with artificial intelligence.

Published
2023
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2. Extracellular volume fraction using contrast-enhanced CT is useful in differentiating intrahepatic cholangiocellular carcinoma from hepatocellular carcinoma

Author

T. Honda, H. Onishi, H. Fukui, K. Yano, K. Kiso, A. Nakamoto, T. Tsuboyama, T. Ota, M. Tatsumi, S. Tahara, S. Kobayashi, H. Eguchi, and N. Tomiyama

Subjects
extracellular space, carcinoma, hepatocellular, cholangiocarcinoma, multidetector computed tomography, contrast media, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282
Abstract

ObjectivesTo evaluate whether tumor extracellular volume fraction (fECV) on contrast-enhanced computed tomography (CT) aids in the differentiation between intrahepatic cholangiocarcinoma (ICC) and hepatocellular carcinoma (HCC).MethodsIn this retrospective study, 113 patients with pathologically confirmed ICC (n = 39) or HCC (n = 74) who had undergone preoperative contrast-enhanced CT were enrolled. Enhancement values of the tumor (Etumor) and aorta (Eaorta) were obtained in the precontrast and equilibrium phase CT images. fECV was calculated using the following equation: fECV [%] = Etumor/Eaorta × (100 – hematocrit [%]). fECV values were compared between the ICC and HCC groups using Welch’s t-test. The diagnostic performance of fECV for differentiating ICC and HCC was assessed using receiver-operating characteristic (ROC) analysis. fECV and the CT imaging features of tumors were evaluated by two radiologists. Multivariate logistic regression analysis was performed to identify factors predicting a diagnosis of ICC.ResultsMean fECV was significantly higher in ICCs (43.8% ± 13.2%) than that in HCCs (31.6% ± 9.0%, p < 0.001). The area under the curve for differentiating ICC from HCC was 0.763 when the cutoff value of fECV was 41.5%. The multivariate analysis identified fECV (unit OR: 1.10; 95% CI: 1.01–1.21; p < 0.05), peripheral rim enhancement during the arterial phase (OR: 17.0; 95% CI: 1.29–225; p < 0.05), and absence of washout pattern (OR: 235; 95% CI: 14.03–3933; p < 0.001) as independent CT features for differentiating between the two tumor types.ConclusionsA high value of fECV, peripheral rim enhancement during the arterial phase, and absence of washout pattern were independent factors in the differentiation of ICC from HCC.

Published
2023
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3. New Results from the Silicon Vertex Detector of the Belle II Experiment

Author

Luigi Corona, K. Adamczyk, L. Aggarwal, H. Aihara, T. Aziz, S. Bacher, S. Bahinipati, G. Batignani, J. Baudot, P.K. Behera, S. Bettarini, T. Bilka, A. Bozek, F. Buchsteiner, G. Casarosa, T. Czank, S.B. Das, G. Dujany, C. Finck, F. Forti, M. Friedl, A. Gabrielli, E. Ganiev, B. Gobbo, S. Halder, K. Hara, S. Hazra, T. Higuchi, C. Irmler, A. Ishikawa, H.B. Jeon, Y. Jin, C. Joo, M. Kaleta, A.B. Kaliyar, J. Kandra, K.H. Kang, P. Kapusta, P. Kodyš, T. Kohriki, M. Kumar, R. Kumar, C. La Licata, K. Lalwani, R. Le Boucher, S.C. Lee, J. Libby, L. Massacesi, S.N. Mayekar, G.B. Mohanty, T. Morii, K.R. Nakamura, Z. Natkaniec, Y. Onuki, W. Ostrowicz, A. Paladino, E. Paoloni, H. Park, L. Polat, K.K. Rao, I. Ripp-Baudot, G. Rizzo, D. Sahoo, C. Schwanda, J. Serrano, J. Suzuki, S. Tanaka, H. Tanigawa, R. Thalmeier, R. Tiwari, T. Tsuboyama, Y. Uematsu, O. Verbycka, L. Vitale, K. Wan, Z. M. Wang, J. Webb, J. Wiechczynski, H. Yin, and L. Zani

Published
2022
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4. Precise Measurement of the D0 and D+ Lifetimes at Belle II

Author

R. Mussa, F. Pham, H. Svidras, T. Lam, A. Ishikawa, L. E. Piilonen, M. Nakao, P. Križan, K. Yoshihara, Concettina Sfienti, P. Oskin, U. Tamponi, M. Iwasaki, T. Iijima, A. Kuzmin, M. Welsch, T. M. G. Kraetzschmar, E.-J. Jang, B. G. Cheon, S. Ogawa, G. Giakoustidis, H. Ono, L. M. Cremaldi, K. Matsuoka, T. Kuhr, G. L. Pinna Angioni, S. E. Vahsen, I. Ueda, S. Pardi, N. Rad, M. Bračko, A. Gabrielli, Antonio Budano, Y. Iwasaki, Y. J. Kwon, J. F. Strube, S. Kohani, L. Lanceri, S. Uehara, Makoto Tabata, Jakub Kandra, N. Rout, P. Leitl, T. V. Dong, W. Gradl, K. Flood, C. Niebuhr, X. Y. Zhou, S. Sandilya, M. Starič, M. Hernandez Villanueva, Hidekazu Kakuno, S. Y. Suzuki, L. Corona, R. Stroili, M. Remnev, S. Baehr, E. Wang, F. Meier, I. Ripp-Baudot, Shih-Chang Lee, S. Pokharel, R. Itoh, S. Jia, Dipak Kumar Sahoo, D. Bodrov, P. Bambade, Luka Santelj, Bruce Yabsley, T. Matsuda, Enrico Bernieri, S. Uno, H. Junkerkalefeld, L. Aggarwal, Sunil Bansal, Y. Unno, C. Murphy, C. Wessel, M. Niiyama, Rok Pestotnik, D. Biswas, T. Tsuboyama, F. Abudinén, M. Piccolo, Takeo Higuchi, Carlos Marinas, J. M. Roney, J. Libby, D. M. Asner, S. Halder, K. Hayasaka, R. Tiwary, C. Miller, C. H. Kim, F. Di Capua, T. Koga, A. B. Kaliyar, A. Pathak, K. Tanida, G. Dujany, H. G. Moser, T. Bilka, Daniel Greenwald, F. Tenchini, S. Prell, Seema Bahinipati, Andrey Sokolov, T. Uglov, B. Paschen, G. De Pietro, B. Shwartz, Y. Uematsu, M. Takizawa, Yu. Onishchuk, A. Vinokurova, S. Dubey, I. Heredia-De La Cruz, K. Hara, Y. Seino, H. Tanigawa, B. Golob, M. Bertemes, C.-L. Hsu, M. Watanabe, H. Ozaki, T. E. Browder, A. Glazov, O. Hartbrich, J. Schueler, M. T. Prim, Takeo Kawasaki, D. Y. Kim, Dmytro Levit, A. Natochii, J. Baudot, C. H. Li, K. Lieret, K. Inami, V. Zhukova, Y. Onuki, A. Fodor, Kouji Nakamura, S. Bilokin, R. Žlebčík, A. Baur, P. Krokovny, Sw. Banerjee, John Yelton, S. Stefkova, Q. D. Zhou, D. Cinabro, R. Giordano, Shuji Tanaka, E. C. Hill, Hamad Ahmed, Q. Y. Liu, M. Dorigo, E. Kovalenko, K. Unger, P. Pakhlov, Rakesh Kumar, T. Podobnik, A. J. Schwartz, Z. Doležal, G. Inguglia, G. Nazaryan, P. Chang, M. Kumar, I. Domínguez Jiménez, V. Bhardwaj, Z. Liptak, E. Bertholet, I. Adachi, F. Forti, M. Mrvar, J. Serrano, H. Ye, M. Barrett, E. Won, K. H. Kang, K. Cho, N. Molina-Gonzalez, A. Passeri, L. Zani, G. Polat, R. Kowalewski, K. Trabelsi, J. Guilliams, G. Finocchiaro, J. Bennett, A. Sangal, G. Casarosa, C. Praz, T. Gu, M. Z. Wang, K. Kinoshita, Peter Kodys, W. W. Jacobs, M. Bessner, G. S. Varner, A. Gellrich, S. Raiz, Abner Soffer, Elisa Manoni, K. Chirapatpimol, S. Reiter, N. Gabyshev, D. Červenkov, Nils Braun, T. Czank, S. Cunliffe, P. L. M. Podesta-Lerma, B. Spruck, I. M. Peruzzi, R. de Sangro, D. Epifanov, M. Campajola, H. Purwar, A. Selce, E. Solovieva, T. Lueck, A. Bolz, Somnath Choudhury, T. Hara, H. Aihara, K. Lautenbach, A. Panta, M. Merola, J. G. Shiu, Y.-T. Chen, Samo Korpar, Claudia Cecchi, G. de Marino, A. Rostomyan, A. Paladino, M. C. Chang, S. Bussino, V.N. Zhilich, L. B. Rizzuto, Agnese Martini, F. Bianchi, Y. Ushiroda, N. Toutounji, Jürgen Becker, S. Yamada, R. Manfredi, Hitoshi Hirata, Y. Kato, D. Ferlewicz, H. Nakazawa, P. Branchini, S. Bettarini, Yu. V. Usov, W. Sutcliffe, J. H. Yin, B. G. Fulsom, Florian Urs Bernlochner, S. Nishida, G. Karyan, A. Di Canto, Jochen Dingfelder, K. Senyo, H. M. Wakeling, J. Wiechczynski, T. K. Pedlar, K. Uno, Andreas Warburton, C. Kiesling, W. B. Yan, D. A. Sanders, Phillip Urquijo, R. Godang, Ya-Qiu Jin, G. De Nardo, D. Tonelli, R. Mizuk, M. Sumihama, C. H. Chen, Z. Natkaniec, A. Vossen, S. K. Choi, L. K. Li, E. R. Oxford, K. Miyabayashi, S. Duell, R. Peschke, E. Paoloni, K. Nishimura, Frank Simon, Seongbae Yang, N. Taniguchi, C. Hearty, Y. Guan, Prafulla Kumar Behera, M. Destefanis, M. Hoek, Matthias Bauer, R. Cheaib, K. Kumara, S. Spataro, X. P. Xu, E. Prencipe, M. Rozanska, H. Hayashii, Z. S. Stottler, A. K. Giri, R. J. Sobie, D. Matvienko, L. Vitale, N. K. Nisar, H. K. Moon, J. Kumar, S.-H. Park, J. S. Lange, C. Hadjivasiliou, R. Karl, T. D. Kimmel, Stefano Longo, T. Pang, S. Patra, A. Sibidanov, K. Adamczyk, F. Dattola, L. Cao, A. Bobrov, D. Liventsev, F. R. Le Diberder, Yongsun Kim, B. Gobbo, K. Lalwani, P. Goldenzweig, N. Anh Ky, E. Graziani, E. De La Cruz-Burelo, H. E. Cho, C. Schwanda, F. Krinner, E. Torassa, Pere Rados, M. V. Purohit, R. A. Briere, I. Nakamura, K. Chilikin, D. E. Jaffe, T. Humair, P. Ecker, M. Hohmann, E. Waheed, V. Aushev, Tomoyuki Konno, D. Dossett, C. Lyu, S.-J. Cho, A. De Yta-Hernandez, J. A. McKenna, Y. Kim, V. Babu, T. Ferber, S. Kurz, V. Popov, S. Dey, A. Hershenhorn, G. Rizzo, S. Lacaprara, N. Akopov, Soumen Paul, Felix Metzner, B. Scavino, H. Atmacan, G. B. Mohanty, Alberto Aloisio, Y. Yusa, Yuki Sato, M. Laurenza, V. Savinov, S. Bacher, K. Dort, H. Park, A. Bozek, K. Gudkova, Alessandro Gaz, S. H. Robertson, X. L. Wang, V. Chekelian, S. Hazra, R. Van Tonder, and H. Bae

Subjects
Physics, Particle physics, 010308 nuclear & particles physics, law, 0103 physical sciences, General Physics and Astronomy, Resonance, 010306 general physics, Collider, 01 natural sciences, law.invention, Luminosity
Abstract

We report a measurement of the D^{0} and D^{+} lifetimes using D^{0}→K^{-}π^{+} and D^{+}→K^{-}π^{+}π^{+} decays reconstructed in e^{+}e^{-}→cc[over ¯] data recorded by the Belle II experiment at the SuperKEKB asymmetric-energy e^{+}e^{-} collider. The data, collected at center-of-mass energies at or near the ϒ(4S) resonance, correspond to an integrated luminosity of 72 fb^{-1}. The results, τ(D^{0})=410.5±1.1(stat)±0.8(syst) fs and τ(D^{+})=1030.4±4.7(stat)±3.1(syst) fs, are the most precise to date and are consistent with previous determinations.

Published
2021
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5. Measurement of the cluster position resolution of the Belle II Silicon Vertex Detector

Author

R. Leboucher, K. Adamczyk, L. Aggarwal, H. Aihara, T. Aziz, S. Bacher, S. Bahinipati, G. Batignani, J. Baudot, P.K. Behera, S. Bettarini, T. Bilka, A. Bozek, F. Buchsteiner, G. Casarosa, L. Corona, T. Czank, S.B. Das, G. Dujany, C. Finck, F. Forti, M. Friedl, A. Gabrielli, E. Ganiev, B. Gobbo, S. Halder, K. Hara, S. Hazra, T. Higuchi, C. Irmler, A. Ishikawa, H.B. Jeon, Y. Jin, C. Joo, M. Kaleta, A.B. Kaliyar, J. Kandra, K.H. Kang, P. Kapusta, P. Kodyš, T. Kohriki, M. Kumar, R. Kumar, C. La Licata, K. Lalwani, S.C. Lee, J. Libby, L. Martel, L. Massaccesi, S.N. Mayekar, G.B. Mohanty, T. Morii, K.R. Nakamura, Z. Natkaniec, Y. Onuki, W. Ostrowicz, A. Paladino, E. Paoloni, H. Park, L. Polat, K.K. Rao, I. Ripp-Baudot, G. Rizzo, D. Sahoo, C. Schwanda, J. Serrano, J. Suzuki, S. Tanaka, H. Tanigawa, R. Thalmeier, R. Tiwary, T. Tsuboyama, Y. Uematsu, O. Verbycka, L. Vitale, K. Wan, Z. Wang, J. Webb, J. Wiechczynski, H. Yin, L. Zani, Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Belle-II SVD

Subjects
Nuclear and High Energy Physics, data analysis method, Physics - Instrumentation and Detectors, Physics::Instrumentation and Detectors, Cluster position resolution, track data analysis, vertex detector, FOS: Physical sciences, BELLE, Instrumentation and Detectors (physics.ins-det), Belle II, semiconductor detector: microstrip, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Instrumentation, spatial resolution
Abstract

The Silicon Vertex Detector (SVD), with its four double-sided silicon strip sensor layers, is one of the two vertex sub-detectors of Belle II operating at SuperKEKB collider (KEK, Japan). Since 2019 and the start of the data taking, the SVD has demonstrated a reliable and highly efficient operation, even running in an environment with harsh beam backgrounds that are induced by the world's highest instantaneous luminosity. In order to provide the best quality track reconstruction with an efficient pattern recognition and track fit, and to correctly propagate the uncertainty on the hit's position to the track parameters, it is crucial to precisely estimate the resolution of the cluster position measurement. Several methods for estimating the position resolution directly from the data will be discussed., Comment: 4 pages, The 30th International Workshop on Vertex Detectors

Published
2021
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6. The Belle II vertex detector integration

Author

H. Windel, V. Babu, S. Skambraks, P. Mammini, Ti. Baroncelli, M. Kaleta, C. Koffmane, M. Hensel, G. Batignani, J. Stypula, Prafulla Kumar Behera, V. Chekelian, C. La Licata, C. Wessel, H. Aihara, D. Münchow, F. Müller, M. Heck, J. Sanchez, F. Abudinen, AL Virto, F. Mueller, Oscar Alonso, R. Thalmeier, D. Klose, I. J. Watson, Soumen Paul, U. Packheiser, M. Ceccanti, N. Sato, Dipak Kumar Sahoo, D. Moya, B. Scavino, M. Fras, K. K. Rao, Takeo Higuchi, R. Richter, M. Albalawi, K. Nakamura, T. Kohriki, L. Zani, S. N. Mayekar, Svd Collaborations, Jakub Kandra, K. Prasanth, L. Macharski, S. Bacher, T. Morii, S. Bettarini, Jelena Ninkovic, Michael Ritzert, L. Bosisio, Jochen Dingfelder, Florian Schopper, Markus Friedl, D. Esperante, Ladislav Andricek, C. Kiesling, M. Boronat, H. Park, A. Bozek, Satoshi Tanaka, Tariq Aziz, Concettina Sfienti, C. W. Joo, R. Ayad, Seema Bahinipati, F. Lütticke, M. De Nuccio, U. Gebauer, Benjamin Schwenker, Zhiyong Liu, Steven Williams, Z. Natkaniec, Norbert Wermes, Carlos Marinas, B. Bhuyan, C. Schwanda, Shih-Chang Lee, T. Kuhr, G. Rizzo, W. Ostrowicz, S. Krivokuca, Frank Simon, B. Paschen, Maiko Takahashi, S. Vogt, H. G. Moser, R. Stever, Angel Dieguez, L. Gioi, F. Buchsteiner, Gerhard Schaller, H. Tanigawa, M. Gabriel, M. Hoek, A. Paladino, Rakesh Kumar, Gerhard Liemann, D. Getzkow, Peter Kvasnicka, B. Spruck, J.A.M. Grimaldo, Y. Onuki, K. H. Kang, T. Lueck, F. Poblotzki, S. Mccarney, P. K. Resmi, S. Schultschik, B. Gobbo, K. Lalwani, S. Rummel, D. Kittlinger, Ivan Peric, K. Gadow, Allen Caldwell, Martin Ritter, Dmytro Levit, Gagan Bihari Mohanty, To. Baroncelli, Keigo Hara, E. L. Barberio, F. Forti, L. Germic, U. Leis, A. Profeti, Tomasz Hemperek, S. Koike, B. Kisielewski, Marcel Vos, Peter Kodys, A. Bauer, P. Leitl, K. Ackermann, Ilya Komarov, Giulia Casarosa, H. Yin, Y. Soloviev, Jae-Young Lee, J. Fuster, Thomas Gessler, H. Schreeck, Phillip Urquijo, A. Martini, E. Paoloni, Carlos Lacasta, D. Červenkov, U. Stolzenberg, Pxd Belle Ii Depfet, L. Lanceri, I. Konorov, N. Dash, T. Czank, R. Blanco, G. N. Taylor, P. Wieduwilt, J. Suzuki, I. Rashevskaya, Hans Krüger, A. K. Basith, M. Rozanska, C. H. Wang, P. Kapusta, J. S. Lange, A. Rabusov, H. B. Jeon, Ivan Vila, A. Ishikawa, M. Schnecke, Filippo Bosi, T. Bilka, M. Watanabe, H. Ye, G. Caria, P. Gomis, E. Tafelmayer, M. Kumar, A. Frey, Jun Sasaki, J. Libby, K. Lautenbach, B. Deschamps, R. Sedlmeyer, Shoichi Watanuki, V. Bertacchi, Z. Doležal, S. Reiter, N. Kambara, Christian Irmler, C. Camien, T. Tsuboyama, J. Wiechczynski, Peter Fischer, W. Kun, P. Ahlburg, Wolfgang Kuhn, John Webb, L. Vitale, J. Zhao, Y. Bai, C. Niebuhr, European Commission, Ministerio de Economía y Competitividad (España), Ministry of Education, Culture, Sports, Science and Technology (Japan), Japan Society for the Promotion of Science, WPI Immunology Frontier Research Center (Japan), Federal Ministry of Science, Research and Economy (Austria), Australian Research Council, Ministry of Education, Youth and Sports (Czech Republic), Government of Czech Republic, Department of Science and Technology (India), Department of Atomic Energy (India), National Research Foundation of Korea, Ministry of Science and Higher Education (Poland), Federal Ministry of Science, Research and Economy (Germany), Kodyš, P., Abudinen, F., Ackermann, K., Ahlburg, P., Aihara, H., Albalawi, M., Alonso, O., Andricek, L., Ayad, R., Aziz, T., Babu, V., Bacher, S., Bahinipati, S., Bai, Y., Barberio, E., Baroncelli, Ti., Baroncelli, To., Basith, A. K., Batignani, G., Bauer, A., Behera, P. K., Bertacchi, V., Bettarini, S., Bhuyan, B., Bilka, T., Blanco, R., Bosi, F., Boronat, M., Bosisio, L., Bozek, A., Buchsteiner, F., Camien, C., Caldwell, A., Caria, G., Casarosa, G., Ceccanti, M., Červenkov, D., Chekelian, V., Czank, T., Dash, N., De Nuccio, M., Deschamps, B., Dieguez, A., Dingfelder, J., Doležal, Z., Esperante, D., Fischer, P., Forti, F., Fras, M., Frey, A., Friedl, M., Fuster, J., Gabriel, M., Gadow, K., Gebauer, U., Germic, L., Gessler, T., Getzkow, D., Gioi, L., Gobbo, B., Gomis, P., Grimaldo, J. A. M., Hara, K., Heck, M., Hemperek, T., Hensel, M., Higuchi, T., Hoek, M., Irmler, C., Ishikawa, A., Jeon, H. B., Joo, C., Kaleta, M., Kandra, J., Kambara, N., Kang, K. H., Kapusta, P., Kiesling, C., Kisielewski, B., Kittlinger, D., Klose, D., Koffmane, C., Kohriki, T., Koike, S., Komarov, I., Konorov, I., Krivokuca, S., Krüger, H., Kuhr, T., Kühn, W., Kumar, M., Kumar, R., Kun, W., Kvasnička, P., La Licata, C., Lacasta, C., Lalwani, K., Lanceri, L., Lange, J. S., Lautenbach, K., Lee, J. Y., Lee, S. C., Leis, U., Leitl, P., Levit, D., Libby, J., Liemann, G., Liu, Z., Lueck, T., Lütticke, F., Macharski, L., Mammini, P., Mariñas, C., Martini, A., Mayekar, S. N., Mccarney, S., Mohanty, G. B., Morii, T., Moser, H. G., Moya, D., Mueller, F. J., Müller, F., Münchow, D., Nakamura, K. R., Natkaniec, Z., Niebuhr, C., Ninkovic, J., Onuki, Y., Ostrowicz, W., Packheiser, U., Paladino, A., Paoloni, E., Park, H., Paschen, B., Paul, S., Peric, I., Poblotzki, F., Prasanth, K., Profeti, A., Rabusov, A., Rashevskaya, I., Rao, K. K., Reiter, S. P., P. K., Resmi, Richter, R., Ritter, M., Ritzert, M., Rizzo, G., Rozanska, M., Rummel, S., Sahoo, D., Sanchez, J. G., Sasaki, J., Sato, N., Scavino, B., Schaller, G., Schnecke, M., Schopper, F., Schreeck, H., Schultschik, S., Schwanda, C., Schwenker, B., Sedlmeyer, R., Sfienti, C., Simon, F., Skambraks, S., Soloviev, Y., Spruck, B., Stever, R., Stolzenberg, U., Stypula, J., Suzuki, J., Tafelmayer, E., Takahashi, M., Tanaka, S., Tanigawa, H., Taylor, G. N., Thalmeier, R., Tsuboyama, T., Urquijo, P., Vila, I., Virto, A. L., Vitale, L., Vogt, S., Vos, M., Wang, C., Watanuki, S., Watanabe, M., Watson, I. J., Webb, J., Wermes, N., Wessel, C., Wiechczynski, J., Wieduwilt, P., Williams, S., Windel, H., Ye, H., Yin, H., Zani, L., and Zhao, J.

Subjects
Nuclear and High Energy Physics, Physics::Instrumentation and Detectors, Silicon sensor, Phase (waves), Computer Science::Computational Geometry, 7. Clean energy, 01 natural sciences, law.invention, Nuclear physics, Belle II, Data acquisition, Pixel detector, Strip detector, Vertex detector, Instrumentation, law, 0103 physical sciences, Collider, Nuclear and High Energy Physic, Physics, Interconnection, Pixel, 010308 nuclear & particles physics, Detector, data acquisition, pixel detector, silicon sensor, strip detector, vertex detector, Upgrade, High Energy Physics::Experiment, Focus (optics)
Abstract

Belle II DEPFET, PXD, and SVD Collaborations: et al., The Belle II experiment comes with a substantial upgrade of the Belle detector and will operate at the SuperKEKB energy-asymmetric ee collider with energies tuned to ϒ(4S) resonance s=10.588 GeV. The accelerator has successfully completed the first phase of commissioning in 2016 and the first electron–positron collisions in Belle II took place in April 2018. Belle II features a newly designed silicon vertex detector based on DEPFET pixel and double-sided strip layers. Currently, a subset of the vertex detector is installed (Phase 2 of the experiment). Installation of the full detector (Phase 3) will be completed by the end of 2018. This paper describes the Phase 2 arrangement of the Belle II silicon vertex detector, with focus on the interconnection of detectors and their integration with the software framework of Belle II. Alignment issues are discussed based on detector simulations and first acquired data., This work is supported by MSCA-RISE, European Union project JENNIFER (EU grant n. 644294), MEXT, Japan, WPI, and JSPS (Japan); ARC (Australia); BMWFW (Austria); MSMT, Czech Republic, GAUK 404316 (Czech Republic); AIDA-2020 (Germany); DAE, India and DST (India); INFN (Italy); NRF-2016K1A3A7A09005605 and RSRI (Korea); MNiSW (Poland); Federal Ministry of Education and Research (BMBF, Germany); and MINECO, Spain grant FPA2015-71292-C2-1-P (Spain).

Published
2019
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7. Particle Identification in Belle II Silicon Vertex Detector

Author

J. Libby, H. Aihara, Takeo Higuchi, T. Kohriki, Rakesh Kumar, K. H. Kang, Markus Friedl, Seema Bahinipati, J. Serrano, G. B. Mohanty, W. Ostrowicz, A. B. Kaliyar, S. Das, S. Hazra, Ya-Qiu Jin, Peter Kvasnicka, Y. Onuki, Yonghu Chen, E. Paoloni, Tariq Aziz, C. W. Joo, A. Paladino, F. Forti, I. Ripp-Baudot, S. Bacher, Shih-Chang Lee, H. B. Jeon, L. Corona, M. Kaleta, Y. Uematsu, G. Polat, J. Baudot, M. Kumar, A. Ishikawa, K. Nakamura, J. Suzuki, F. Buchsteiner, R. Thalmeier, Keigo Hara, B. Gobbo, K. Lalwani, T. Tsuboyama, Jakub Kandra, N. Rout, C. Schwanda, J. Wiechczynski, G. Rizzo, H. Park, A. Bozek, N. Dash, S. N. Mayekar, Satoshi Tanaka, Y. B. Li, G. Dujany, G. Batignani, S. Bettarini, K. Adamczyk, T. Morii, John Webb, H. Tanigawa, K. Wan, P. Kapusta, L. Vitale, H. Yin, C. La Licata, S. Halder, T. Bilka, Peter Kodys, Prafulla Kumar Behera, G. Casarosa, T. Czank, Z. Natkaniec, Christian Irmler, K. K. Rao, O. Verbycka, Dipak Kumar Sahoo, L. Zani, E. Ganiev, Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Silicon, vertex detector, measurement methods, BELLE, dE/dx\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$${dE\!/\!dx}$$\end{document}, 01 natural sciences, 7. Clean energy, Particle identification, Silicon vertex detector, charged particle: energy loss, Nuclear physics, particle identification: performance, 0103 physical sciences, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Detectors and Experimental Techniques, 010306 general physics, Physics, 010308 nuclear & particles physics, PID, Upsilon(10570), +D0+pi%2B%22">D*(2010)+ --> D0 pi+, semiconductor detector: microstrip, High Energy Physics::Experiment, +K-+pi%2B%22">D0 --> K- pi+, numerical calculations: Monte Carlo, +p+pi%22">Lambda --> p pi
Abstract

International audience; We report a particle identification (PID) tool developed using energy-loss information in the silicon-strip vertex detector (SVD) of Belle II for charged pions, kaons, and protons using \(D^{* + } \to D^{0}[ \to K^{ - }\pi ^{ + }]\pi ^{ + }\) and \(\Lambda \to p\pi ^{ - }\) decay samples. The study is based on e^+e^− collision data recorded at the \(\Upsilon (4S)\) resonance by Belle II and the results are compared with that of a Monte Carlo sample. The introduction of additional information from the SVD is found to improve the overall PID performance in the low-momentum region.

Published
2021
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8. Measurements of Beam Backgrounds in SuperKEKB Phase 2

Author

Z. Liptak, A. Paladino, L. Santelj, J. Schueler, S. Stefkova, H. Tanigawa, N. Tsuzuki, A. Aloisio, P. Ahlburg, P. Bambade, G. Bassi, M. Barrett, J. Baudot, T.E. Browder, G. Casarosa, G. Cautero, D. Cinabro, G. Claus, D. Cuesta, F. Di Capua, S. Di Carlo, J. Flanagan, A. Frey, B.G. Fulsom, Y. Funakoshi, M. Gabriel, R. Giordano, D. Giuressi, M. Goffe, K. Hara, O. Hartbrich, M.T. Hedges, D. Heuchel, N. Iida, T. Ishibashi, K. Jaaskelainen, D. Jehanno, S. de Jong, T. Kraetzschmar, C. La Licata, L. Lanceri, P. Leitl, P.M. Lewis, C. Marinas, C. Miller, H. Moser, K.R. Nakamura, H. Nakayama, C. Niebuhr, Y. Onuki, C. Pang, B. Paschen, I. Ripp-Baudot, G. Rizzo, J.M. Roney, H. Schreeck, B. Schwenker, F. Simon, M. Specht, B. Spruck, Y. Soloviev, M. Szelezniak, S. Tanaka, S. Terui, G. Tortone, T. Tsuboyama, Y. Uematsu, S.E. Vahsen, L. Vitale, H. Windel, Liptak, Z., Paladino, A., Santelj, L., Schueler, J., Stefkova, S., Tanigawa, H., Tsuzuki, N., Aloisio, A., Ahlburg, P., Bambade, P., Bassi, G., Barrett, M., Baudot, J., Browder, T. E., Casarosa, G., Cautero, G., Cinabro, D., Claus, G., Cuesta, D., Di Capua, F., Di Carlo, S., Flanagan, J., Frey, A., Fulsom, B. G., Funakoshi, Y., Gabriel, M., Giordano, R., Giuressi, D., Goffe, M., Hara, K., Hartbrich, O., Hedges, M. T., Heuchel, D., Iida, N., Ishibashi, T., Jaaskelainen, K., Jehanno, D., de Jong, S., Kraetzschmar, T., La Licata, C., Lanceri, L., Leitl, P., Lewis, P. M., Marinas, C., Miller, C., Moser, H., Nakamura, K. R., Nakayama, H., Niebuhr, C., Onuki, Y., Pang, C., Paschen, B., Ripp-Baudot, I., Rizzo, G., Roney, J. M., Schreeck, H., Schwenker, B., Simon, F., Specht, M., Spruck, B., Soloviev, Y., Szelezniak, M., Tanaka, S., Terui, S., Tortone, G., Tsuboyama, T., Uematsu, Y., Vahsen, S. E., Vitale, L., and Windel, H.

Subjects
Nuclear and High Energy Physics, Physics - Instrumentation and Detectors, FOS: Physical sciences, SuperKEKB, Instrumentation and Detectors (physics.ins-det), Accelerator background, High Energy Physics - Experiment, Beam background, High Energy Physics - Experiment (hep-ex), Belle II, Physics::Accelerator Physics, High Energy Physics::Experiment, Instrumentation
Abstract

The high design luminosity of the SuperKEKB electron-positron collider will result in challenging levels of beam-induced backgro\ unds in the interaction region. Understanding and mitigating these backgrounds is critical to the success of the Belle~II experi\ ment. We report on the first background measurements performed after roll-in of the Belle II detector, a period known as SuperKE\ KB Phase 2, utilizing both the BEAST II system of dedicated background detectors and the Belle II detector itself. We also repor\ t on first revisions to the background simulation made in response to our findings. Backgrounds measured include contributions f\ rom synchrotron radiation, beam-gas, Touschek, and injection backgrounds. At the end of Phase 2, single-beam backgrounds origina\ ting from the 4 GeV positron Low Energy Ring (LER) agree reasonably well with simulation, while backgrounds from the 7 GeV elect\ ron High Energy Ring (HER) are approximately one order of magnitude higher than simulation. We extrapolate these backgrounds for\ ward and conclude it is safe to install the Belle II vertex detector., Comment: 22 Pages, 33 figures

Published
2021
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9. Simulation of the Belle II silicon vertex detector

Author

M. Kaleta, K. Adamczyk, L. Aggarwal, H. Aihara, T. Aziz, S. Bacher, S. Bahinipati, G. Batignani, J. Baudot, P.K. Behera, S. Bettarini, T. Bilka, A. Bozek, F. Buchsteiner, G. Casarosa, L. Corona, T. Czank, S.B. Das, G. Dujany, C. Finck, F. Forti, M. Friedl, A. Gabrielli, E. Ganiev, B. Gobbo, S. Halder, K. Hara, S. Hazra, T. Higuchi, C. Irmler, A. Ishikawa, H.B. Jeon, Y. Jin, C. Joo, A.B. Kaliyar, J. Kandra, K.H. Kang, P. Kapusta, P. Kodyš, T. Kohriki, M. Kumar, R. Kumar, C. La Licata, K. Lalwani, R. Leboucher, S.C. Lee, J. Libby, L. Martel, L. Massaccesi, S.N. Mayekar, G.B. Mohanty, T. Morii, K.R. Nakamura, Z. Natkaniec, Y. Onuki, W. Ostrowicz, A. Paladino, E. Paoloni, H. Park, L. Polat, K.K. Rao, I. Ripp-Baudot, G. Rizzo, D. Sahoo, C. Schwanda, J. Serrano, J. Suzuki, S. Tanaka, H. Tanigawa, R. Thalmeier, R. Tiwary, T. Tsuboyama, Y. Uematsu, O. Verbycka, L. Vitale, K. Wan, Z. Wang, J. Webb, J. Wiechczynski, H. Yin, L. Zani, Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Belle-II SVD

Subjects
Tracking detectors, Nuclear and High Energy Physics, vertex detector, Belle II, semiconductor detector: microstrip, Detector simulation, BELLE, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], numerical calculations, programming, Instrumentation, performance, Silicon strip detectors
Abstract

International audience; Belle II is the next generation B Factory experiment operating at the SuperKEKB accelerator complex at KEK in Tsukuba, Japan. It is expected to collect 50 ab−1 of data, with a target instantaneous luminosity of 6.5 × 1035 cm−2s−1, which is about 30 times larger than its predecessor, Belle. In view of the ever increasing Belle II data sample, accurate simulation of the detector is growing in importance. This poses a challenging task of compromising between the realistic modeling of the response of individual detector components and reasonable performance in terms of CPU time of the simulation. In this paper we describe the simulation of the silicon vertex detector, its performance against collision data and optimization.

Published
2022
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10. A Study of Hit-time Reconstruction of Belle II Silicon Vertex Detector

Author

C. La Licata, L. Corona, G. Batignani, A. Paladino, W. Ostrowicz, K. K. Rao, O. Verbycka, B. Gobbo, K. Lalwani, C. Schwanda, Christian Irmler, M. Kumar, G. Casarosa, Y. B. Li, J. Serrano, Tariq Aziz, C. W. Joo, T. Czank, K. Nakamura, Jakub Kandra, T. Kohriki, N. Rout, G. Rizzo, S. Bacher, K. Wan, P. Kapusta, T. Tsuboyama, Rakesh Kumar, G. Dujany, H. B. Jeon, A. Ishikawa, S. Hazra, K. Adamczyk, S. Das, S. Halder, R. Thalmeier, L. Zani, H. Yin, K. H. Kang, J. Wiechczynski, F. Buchsteiner, T. Bilka, S. N. Mayekar, F. Forti, H. Park, A. Bozek, G. B. Mohanty, Z. Natkaniec, J. Baudot, J. Libby, M. Kaleta, A. B. Kaliyar, John Webb, L. Vitale, E. Ganiev, T. Morii, Yonghu Chen, Keigo Hara, E. Paoloni, N. Dash, H. Tanigawa, Satoshi Tanaka, Seema Bahinipati, Peter Kvasnicka, Peter Kodys, Y. Uematsu, G. Polat, J. Suzuki, Y. Onuki, H. Aihara, S. Bettarini, I. Ripp-Baudot, Shih-Chang Lee, Takeo Higuchi, Markus Friedl, Prafulla Kumar Behera, Ya-Qiu Jin, Dipak Kumar Sahoo, Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Université de Strasbourg (UNISTRA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Physics, 010308 nuclear & particles physics, business.industry, data acquisition, track data analysis, vertex detector, measurement methods, BELLE, trigger, 01 natural sciences, Silicon vertex detector, Optics, 0103 physical sciences, semiconductor detector, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, business, numerical calculations: Monte Carlo, time resolution, performance
Abstract

International audience; For stable operation of the Belle II Silicon Vertex Detector in the future high-luminosity operation of SuperKEKB, we plan to reduce readout data-samples per trigger and to apply hit-selection using hit-time. To realize this plan, we developed novel hit-time estimation methods, one of which achieves the resolution of 2.28 ± 0.04 ns evaluated in the current data acquisition mode. A study using Monte Carlo simulation also confirms that the hit-selection based on this hit-time improves track reconstruction performance.

Published
2020
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11. The Belle II Silicon Vertex Detector: Performance and Operational Experience in the First Year of Data Taking

Author

G. Casarosa, T. Czank, C. La Licata, F. Buchsteiner, J. Libby, Dipak Kumar Sahoo, S. Bacher, M. Kaleta, Yonghu Chen, E. Paoloni, Z. Natkaniec, H. Park, A. Bozek, C. W. Joo, T. Kohriki, A. Paladino, Y. B. Li, Keigo Hara, S. Das, G. B. Mohanty, L. Zani, S. Hazra, N. Dash, Rakesh Kumar, K. H. Kang, W. Ostrowicz, K. Nakamura, Jakub Kandra, N. Rout, G. Rizzo, E. Ganiev, Tariq Aziz, J. Baudot, Christian Irmler, T. Tsuboyama, M. Kumar, J. Wiechczynski, K. Wan, P. Kapusta, J. Serrano, H. B. Jeon, A. Ishikawa, F. Forti, S. Halder, R. Thalmeier, John Webb, L. Vitale, K. K. Rao, T. Bilka, O. Verbycka, S. N. Mayekar, T. Morii, G. Dujany, A. B. Kaliyar, K. Adamczyk, H. Yin, H. Tanigawa, G. Batignani, L. Corona, Peter Kodys, Satoshi Tanaka, Y. Uematsu, G. Polat, J. Suzuki, Seema Bahinipati, Peter Kvasnicka, S. Bettarini, Prafulla Kumar Behera, H. Aihara, I. Ripp-Baudot, Shih-Chang Lee, Y. Onuki, Takeo Higuchi, Markus Friedl, Ya-Qiu Jin, B. Gobbo, K. Lalwani, C. Schwanda, Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Physics, Particle physics, detector: performance, 010308 nuclear & particles physics, background, vertex detector, radiation: effect, BELLE, 01 natural sciences, Silicon vertex detector, semiconductor detector: pixel, 0103 physical sciences, semiconductor detector: microstrip, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, activity report
Abstract

International audience; In spring 2019 the Belle II experiment at the high-luminosity SuperKEKB e^+e^− collider (KEK, Japan) has resumed operation after the installation of the new vertex detector. In the first period of operation SuperKEKB has already reached the record luminosity of 2.4 × 10^34 cm^−2 s^−1 which will be increased by about a factor 30 in the coming years. Two inner layers of DEPFET-based pixels and four layers of double-sided silicon strip detectors (Silicon Vertex Detector, SVD) make up this new vertex detector, designed to meet the stringent physics requirements as well as to cope with the high beam background conditions. Since the beginning of data taking, the SVD has been functioning with a very reliable and stable operation and excellent detector performance. The first evidence of radiation effects in the SVD have been observed, which are at the expected level and not affecting performance. This paper will review the performance achieved by the SVD and the lessons learned in the first year of operation that continued even during the COVID-19 pandemic.

Published
2020
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12. The Belle II Silicon Vertex Detector: Performance and Running Experience

Author

M. Kaleta, G. Casarosa, Shih-Chang Lee, G. de Marino, H. Aihara, Peter Kodys, T. Zhang, K. Nakamura, Y. B. Li, Y. Onuki, S. Das, K. H. Kang, K. Hara, T. Morii, Tariq Aziz, Jakub Kandra, N. Rout, Prafulla Kumar Behera, G. Dujany, L. Corona, Peter Kvasnicka, A. B. Kaliyar, Seema Bahinipati, Rajesh Kumar, Markus Friedl, Mukesh Kumar, Z. Natkaniec, S. Bettarini, Yonghu Chen, E. Paoloni, Ya-Qiu Jin, G. Batignani, N. Dash, F. Forti, K. Adamczyk, H. Park, A. Bozek, Y. Uematsu, G. Rizzo, H. Yin, I. Ripp-Baudot, T. Czank, J. Suzuki, G. B. Mohanty, R. Thalmeier, B. Gobbo, K. Lalwani, C. Schwanda, Christian Irmler, C. Joo, L. Zani, S. N. Mayekar, Satoshi Tanaka, H. B. Jeon, F. Buchsteiner, A. Ishikawa, S. Bacher, J.A.M. Grimaldo, Doyen Sahoo, W. Ostrowicz, H. Tanigawa, C. La Licata, Surajit Maity, J. Baudot, D. Červenkov, T. Kohriki, T. Tsuboyama, S. Hazra, J. Wiechczynski, E. Ganiev, K. Wan, P. Kapusta, J. Libby, S. Halder, T. Bilka, J. C. Webb, L. Vitale, Z. Doležal, K. K. Rao, O. Verbycka, A. Paladino, T. Higuchi, Institut Pluridisciplinaire Hubert Curien (IPHC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Belle-II SVD, and Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
noise, vertex detector, BELLE, Tracking (particle physics), 7. Clean energy, Noise (electronics), law.invention, Optics, semiconductor detector: pixel, law, Calibration, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Collider, Image resolution, spatial resolution, Physics, Luminosity (scattering theory), Pixel, business.industry, background, Detector, stability, calibration, efficiency, semiconductor detector: microstrip, business, performance
Abstract

International audience; In spring 2019 the fully equipped Belle II experiment started data taking at the energy of the Y(4S) resonance. The new vertex detector (VXD) consists of two inner layers of DEPFET pixels (PXD) and four outer layers of double-sided silicon strip detectors (SVD). It plays a crucial role in recording high-quality data in the new high-luminosity environment of the SuperKEKB collider, characterized by severe beam backgrounds. The SVD was operated reliably during the 2019 physics run, showing high stability of the noise levels and calibration parameters. The SVD performance, measured with first data, showed excellent hit and tracking efficiencies, high signal-to-noise ratio, and cluster energy distribution in fair agreement with the expectations. Detailed studies of the good spatial resolution achieved will be shown. The excellent hit-time resolution has also been measured, which will be exploited for background rejection in the coming years of running at higher luminosity.

Published
2020
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13. The Belle II diamond-detector for radiation monitoring and beam abort

Author

S. Bacher, A. B. Kaliyar, J. Libby, S. Bettarini, H. Park, A. Bozek, G. B. Mohanty, L. Zani, G. Casarosa, Markus Friedl, Satoshi Tanaka, D. Červenkov, Y. Uematsu, Shih-Chang Lee, K. Adamczyk, Tariq Aziz, Seema Bahinipati, G. Batignani, H. Yin, I. Ripp-Baudot, J. Suzuki, T. Czank, G. Rizzo, Peter Kodys, Mukesh Kumar, J. C. Webb, L. Vitale, Y. Onuki, Christian Irmler, Rajesh Kumar, Yonghu Chen, R. Thalmeier, E. Paoloni, T. Morii, Y. Jin, N. Dash, G. Dujany, B. Gobbo, K. Lalwani, C. Schwanda, G. de Marino, S. Hazra, F. Forti, S. N. Mayekar, M. Kaleta, Z. Natkaniec, C. La Licata, K. Hara, S. Das, A. Paladino, K. H. Kang, T. Higuchi, T. Zhang, Y. B. Li, Peter Kvasnicka, K. Nakamura, L. Corona, T. Tsuboyama, Jakub Kandra, N. Rout, J. Wiechczynski, Z. Doležal, H. B. Jeon, A. Ishikawa, F. Buchsteiner, J.A.M. Grimaldo, Doyen Sahoo, C. Joo, H. Aihara, K. Wan, P. Kapusta, S. Halder, T. Bilka, H. Tanigawa, W. Ostrowicz, Surajit Maity, T. Kohriki, J. Baudot, E. Ganiev, K. K. Rao, O. Verbycka, P. K. Behera, Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud - Paris 11 (UP11), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Belle-II SVD, and Université de Strasbourg (UNISTRA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Physics, Luminosity (scattering theory), Diamond, BELLE, Radiation, engineering.material, law.invention, Nuclear physics, KEKB, law, engineering, electronics: readout, Radiation monitoring, radiation: monitoring, Electronics, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Collider, solid-state counter: diamond, talk, Beam (structure), performance, detector: design, radiation: damage
Abstract

International audience; The SuperKEKB electron-positron collider at the KEK laboratory in Japan aims to achieve a maximum luminosity 50$\times$ higher than its predecessors KEKB and PEPII, positioning the Belle II experiment at the forefront of searches for non-standard-model physics in the next decade. High collision intensity implies high beam-induced radiation, which can damage essential Belle II sub-detectors and SuperKEKB components. Twenty-eight diamond sensors, read-out by purpose-built electronics, are installed in the interaction region to measure radiation and prevent damage. This talk introduces the system features and discusses its performance in early Belle II data taking.

Published
2020
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14. Search for an Invisibly Decaying Z′ Boson at Belle II in e+e−→μ+μ−(e±μ∓) Plus Missing Energy Final States

Author

I. Ripp-Baudot, F. Meggendorfer, V.N. Zhilich, D. Ferlewicz, E. Nakano, G.V. Russo, N. Akopov, S. Nishida, S. Longo, H. M. Wakeling, A. Pathak, M. De Nuccio, Rocky Bala Garg, L. Cao, Nataliia Kovalchuk, B. Spruck, T. J. Moon, T. Iijima, Soumen Paul, Dipak Kumar Sahoo, C. Kleinwort, K. Kumara, S. Fiore, W. B. Yan, Bumho Kim, C. W. Joo, K. Chilikin, Takeo Higuchi, Felix Metzner, Z. S. Stottler, P. Sartori, G. De Pietro, K. Miyabayashi, L. Zani, C. Wessel, N. K. Nisar, M. Bessner, C. Miller, C. Niebuhr, V. Babu, Abner Soffer, B. Scavino, E. Graziani, E. De La Cruz-Burelo, Elisa Manoni, Yang Chen, S. Reiter, R. Peschke, S. Sandilya, H. Windel, Carlos Marinas, M. Wakai, Marco Milesi, J. Baudot, C. Hadjivasiliou, Yoshinobu Unno, C. Hearty, T. Kuhr, H. G. Moser, I. Komarov, M. Bertemes, M. Nishimura, T. V. Dong, N. Taniguchi, J. H. Yin, U. Tamponi, Antonio Budano, Iki Adachi, Doo Young Kim, Agnese Martini, T. Ferber, A. K. Giri, Z. P. Zhang, V. Gaur, L. B. Rizzuto, T. Sumiyoshi, K. K. Joo, R. Godang, J. C. Mei, B. Paschen, S. Bussino, T. K. Pedlar, Soohyun Cho, S. Kurz, Tariq Aziz, Kohei Ogawa, K. Dort, S. Marcello, L. Corona, Prafulla Kumar Behera, Leo Piilonen, P. Taras, K. Azmi, Martin Ritter, Dmytro Levit, M. Masuda, B. Golob, L. Santelj, J. Gemmler, G. Casarosa, S. Wehle, M. Hernandez Villanueva, K. Inami, A. Vossen, G. Dujany, E. C. Hill, V. Aushev, J. S. Lange, A. Paladino, T. Czank, F. Dattola, T. D. Kimmel, S. Dey, D. Biswas, K. Nishimura, Frank Simon, S. E. Vahsen, A. B. Kaliyar, C. Rosenfeld, R. M. Seddon, A. Hershenhorn, A. Fodor, M. Remnev, A. Sangal, Vladimir Popov, J. Schueler, H. Park, A. Bozek, Kiyoshi Tanida, Sw. Banerjee, Felix Mueller, L. K. Li, M. Merola, S. Jia, Y. Iwasaki, Y. Sakai, E. Paoloni, L. Burmistrov, Pavel Krokovny, D. Dossett, P. K. Resmi, C.-L. Hsu, Y. J. Kwon, G. Finocchiaro, A. Panta, K. Lieret, S. Lacaprara, I. Domínguez Jiménez, R. Cheaib, Tagir Aushev, Seongbae Yang, J. Irakkathil Jabbar, Q. Y. Liu, S. Cunliffe, Makoto Tabata, Jakub Kandra, Andreas Warburton, Jürgen Becker, S. Yamada, E. Prencipe, Z. Doležal, N. Rout, V. Zhukova, Y. Onuki, Xiaopeng Zhou, A. De Yta-Hernandez, D. Červenkov, G. B. Mohanty, Alberto Aloisio, Y. Kato, G. Varner, J. F. Strube, M. C. Chang, M. Z. Wang, Peter Kodys, W. W. Jacobs, B. G. Fulsom, Y. Yusa, M. Nayak, B. Oberhof, T. Koga, A. Passeri, C. P. Shen, Y. Kim, P. Branchini, J. Bennett, M. Takizawa, T. Matsuda, K. Senyo, Enrico Bernieri, G. Karyan, L. Lanceri, S. K. Choi, S. Baehr, P. Gomis, Yi Fan Hu, Florian Urs Bernlochner, F. Di Capua, Shuji Tanaka, H. Aihara, E. Solovieva, G. Muroyama, S. Duell, I. M. Peruzzi, P. Oskin, M. Maggiora, Kevin Varvell, H. Atmacan, S. Y. Suzuki, K. Lautenbach, Pere Rados, G. Rizzo, M. Bračko, G. Pakhlova, Y.-T. Chen, M. Destefanis, M. Piccolo, W. Gradl, Y. Onishchuk, Y. Jin, C. H. Wang, D. Greenwald, A. Vinokurova, J. G. Shiu, S. Dubey, I. Heredia-De La Cruz, D. E. Jaffe, S. Bettarini, F. Müller, S. Spataro, O. Hartbrich, H. Ozaki, K. Cho, H. Miyake, K. Trabelsi, S. H. Kim, Y. Guan, K. Unger, P. Pakhlov, M. Eliachevitch, Rakesh Kumar, A. Kuzmin, V. Savinov, T. M. G. Kraetzschmar, F. Bianchi, C. Z. Yuan, M. Campajola, F. Tenchini, Th. Müller, A. Sibidanov, Yukinori Sato, E. Won, R. A. Briere, S. H. Robertson, R. Pestotnik, Kodai Matsuoka, M. Hoek, E. J. Jang, R. Rasheed, V. Chekelian, D. Rodríguez Pérez, K. Kim, H. Hayashii, H. Ono, R. Van Tonder, H. Ye, M. Barrett, R. Mizuk, L. Li Gioi, Y. B. Li, C. H. Kim, G. De Nardo, M. T. Hedges, Yongsun Kim, B. Gobbo, P. Leitl, Hidekazu Kakuno, Concettina Sfienti, S. Uno, R. Stroili, B. G. Cheon, C. Schwanda, L. M. Cremaldi, D. Cinabro, E. Torassa, Claudia Cecchi, M. V. Purohit, S. Korpar, S. C. Lee, T. Hara, F. Forti, T. Geßler, M. Garcia-Hernandez, E. Ganiev, S. Halder, J. M. Roney, M. Yonenaga, M. Sumihama, M. Watanabe, T. E. Browder, H. Kindo, C. Praz, P. Bambade, J. Libby, D. M. Asner, K. Hayasaka, M. T. Prim, Takeo Kawasaki, Andrey Sokolov, A. Gaz, James E. Fast, Semen Eidelman, J. Kahn, F. Meier, R. Mussa, H. B. Jeon, Bruce Yabsley, S. Stefkova, R. Giordano, G. Inguglia, A. Ishikawa, G. Nazaryan, Y. Seino, M. Kumar, M. Nakao, Somnath Choudhury, P. Križan, S. Kohani, Y. Ushiroda, M. Uchida, Tao Luo, A. Gellrich, Y. Maeda, T. Tsuboyama, D. Matvienko, Q. D. Zhou, J. Wiechczynski, C. La Licata, B.A. Shwartz, M. Starič, D. Liventsev, T. Morii, R. Kroeger, I. S. Lee, P. Goldenzweig, N. Anh Ky, R. de Sangro, Z. Liptak, P. Ahlburg, W. A. T. Wan Abdullah, D. J. Summers, R. Itoh, A. Rostomyan, R. J. Sobie, John Webb, L. Vitale, J. Kumar, D. Neverov, A. Selce, and Vikas Bansal

Subjects
Physics, Coupling constant, Particle physics, Missing energy, Physics beyond the Standard Model, General Physics and Astronomy, 01 natural sciences, law.invention, law, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, Collider, Boson
Abstract

Theories beyond the standard model often predict the existence of an additional neutral boson, the Z′. Using data collected by the Belle II experiment during 2018 at the SuperKEKB collider, we perform the first searches for the invisible decay of a Z′ in the process e+e-→μ+μ-Z′ and of a lepton-flavor-violating Z′ in e+e-→e±μZ′. We do not find any excess of events and set 90% credibility level upper limits on the cross sections of these processes. We translate the former, in the framework of an Lμ-Lτ theory, into upper limits on the Z′ coupling constant at the level of 5×10-2-1 for MZ′≤6 GeV/c2.

Published
2020
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15. Commissioning of the Belle II Silicon Vertex Detector

Author

S. Bettarini, J. Libby, K. Nakamura, C. La Licata, K. Wan, S. Halder, Filippo Bosi, Shoichi Watanuki, L. Lanceri, T. Bilka, M. Watanabe, I. J. Watson, H. B. Jeon, Jakub Kandra, C. W. Joo, S. Schultschik, P. K. Resmi, Rakesh Kumar, Prafulla Kumar Behera, L. Bosisio, A. Ishikawa, Dipak Kumar Sahoo, K. H. Kang, B. Bhuyan, G. Caria, T. Kohriki, K. Prasanth, L. Zani, Peter Kodys, R. Thalmeier, B. Gobbo, K. Lalwani, C. Schwanda, T. Lueck, A. Bauer, John Webb, A. Paladino, L. Vitale, S. N. Mayekar, Takeo Higuchi, H. Tanigawa, M. Kumar, T. Czank, Markus Friedl, S. Bacher, J. Suzuki, E. Paoloni, I. Rashevskaya, Y. Onuki, H. Park, A. Bozek, V. Bertacchi, G. N. Taylor, Ti. Baroncelli, Jun Sasaki, G. Casarosa, L. Corona, G. B. Mohanty, M. De Nuccio, G. Batignani, J. Stypula, P. Mammini, A. Martini, F. Forti, M. Kaleta, T. Tsuboyama, K. K. Rao, E. L. Barberio, Tariq Aziz, J. Wiechczynski, Steven Williams, F. Buchsteiner, M. Ceccanti, Shih-Chang Lee, N. Sato, H. Aihara, J.A.M. Grimaldo, Satoshi Tanaka, Jae-Young Lee, T. Morii, I. Komarov, Phillip Urquijo, Y. B. Li, H. Yin, Christian Irmler, Z. Doležal, Z. Natkaniec, N. Dash, A. K. Basith, M. Rozanska, To. Baroncelli, Keigo Hara, D. Červenkov, A. Profeti, G. Rizzo, Seema Bahinipati, Peter Kvasnicka, W. Ostrowicz, Casarosa, G., Aihara, H., Aziz, T., Bacher, S., Bahinipati, S., Barberio, E., Baroncelli, T., Basith, A. K., Batignani, G., Bauer, A., Behera, P. K., Bertacchi, V., Bettarini, S., Bhuyan, B., Bilka, T., Bosi, F., Bosisio, L., Bozek, A., Buchsteiner, F., Caria, G., Ceccanti, M., Cervenkov, D., Corona, L., Czank, T., Dash, N., De Nuccio, M., Dolezal, Z., Forti, F., Friedl, M., Gobbo, B., Grimaldo, J. A. M., Halder, S., Hara, K., Higuchi, T., Irmler, C., Ishikawa, A., Jeon, H. B., Joo, C., Kaleta, M., Kandra, J., Kang, K. H., Kodys, P., Kohriki, T., Komarov, I., Kumar, M., Kumar, R., Kvasnicka, P., La Licata, C., Lalwani, K., Lanceri, L., Lee, J. Y., Lee, S. C., Li, Y., Libby, J., Lueck, T., Mammini, P., Martini, A., Mayekar, S. N., Mohanty, G. B., Morii, T., Nakamura, K. R., Natkaniec, Z., Onuki, Y., Ostrowicz, W., Paladino, A., Paoloni, E., Park, H., Prasanth, K., Profeti, A., Rao, K. K., Rashevskaya, I., Resmi, P. K., Rizzo, G., Rozanska, M., Sahoo, D., Sasaki, J., Sato, N., Schultschik, S., Schwanda, C., Stypula, J., Suzuki, J., Tanaka, S., Tanigawa, H., Taylor, G. N., Thalmeier, R., Tsuboyama, T., Urquijo, P., Vitale, L., Wan, K., Watanabe, M., Watanuki, S., Watson, I. J., Webb, J., Wiechczynski, J., Williams, S., Yin, H., and Zani, L.

Subjects
Physics, Nuclear and High Energy Physics, COSMIC cancer database, Luminosity (scattering theory), Pixel, Silicon, 010308 nuclear & particles physics, Detector, chemistry.chemical_element, 01 natural sciences, Silicon vertex detector, law.invention, Nuclear physics, chemistry, law, 0103 physical sciences, Vertex detector, Commissioning, Strip detector, 010306 general physics, Collider, Instrumentation
Abstract

The Belle II experiment at the SuperKEKB collider of KEK (Japan) will accumulate 50 ab−1 of e+e- collision data at an unprecedented instantaneous luminosity of 8 ⋅ 1035 cm−2s−1, about 40 times larger than its predecessor. The Belle II vertex detector plays a crucial role in the rich Belle II physics program, especially for time-dependent measurements. It consists of two layers of DEPFET-based pixels and four layers of double sided silicon strip sensors (SVD detector). We report here results of the standalone commissioning of the SVD and highlights from the first cosmic runs acquired in Belle II. We also report on reconstruction performances of a reduced-scale version of the SVD operated during the accelerator commissioning in 2018.

Published
2020

16. Run and slow control system of the Belle II silicon vertex detector

Author

Shih-Chang Lee, I. Komarov, Dipak Kumar Sahoo, L. Zani, Rakesh Kumar, N. Dash, P. K. Resmi, A. K. Basith, M. Rozanska, A. Paladino, K. H. Kang, Steven Williams, G. B. Mohanty, A. Bauer, Peter Kodys, H. Yin, Tariq Aziz, Y. Onuki, G. Batignani, J. Stypula, B. Bhuyan, Yang Li, P. Mammini, T. Czank, C. W. Joo, Prafulla Kumar Behera, To. Baroncelli, E. L. Barberio, E. Paoloni, Christian Irmler, G. N. Taylor, M. Kaleta, Keigo Hara, J. Suzuki, I. Rashevskaya, C. La Licata, K. Nakamura, T. Morii, Jakub Kandra, Jae-Young Lee, Satoshi Tanaka, S. Bettarini, Z. Natkaniec, I. J. Watson, Phillip Urquijo, R. Thalmeier, A. Martini, M. De Nuccio, L. Bosisio, Takeo Higuchi, Seema Bahinipati, T. Lueck, S. N. Mayekar, M. Ceccanti, G. Casarosa, T. Kohriki, F. Buchsteiner, K. Prasanth, N. Sato, Z. Doležal, Markus Friedl, S. Bacher, J.A.M. Grimaldo, Peter Kvasnicka, H. Park, A. Bozek, S. Schultschik, Ti. Baroncelli, F. Forti, B. Gobbo, K. Lalwani, C. Schwanda, H. Aihara, K. K. Rao, A. Profeti, G. Rizzo, H. Tanigawa, D. Červenkov, W. Ostrowicz, H. B. Jeon, A. Ishikawa, V. Bertacchi, L. Lanceri, T. Tsuboyama, G. Caria, K. Wan, J. Wiechczynski, Filippo Bosi, T. Bilka, M. Watanabe, John Webb, L. Vitale, M. Kumar, Jun Sasaki, J. Libby, Shoichi Watanuki, Irmler, C., Aihara, H., Aziz, T., Bacher, S., Bahinipati, S., Barberio, E., Baroncelli, T., Basith, A. K., Batignani, G., Bauer, A., Behera, P. K., Bertacchi, V., Bettarini, S., Bhuyan, B., Bilka, T., Bosi, F., Bosisio, L., Bozek, A., Buchsteiner, F., Caria, G., Casarosa, G., Ceccanti, M., Cervenkov, D., Czank, T., Dash, N., De Nuccio, M., Dolezal, Z., Forti, F., Friedl, M., Gobbo, B., Grimaldo, J. A. M., Hara, K., Higuchi, T., Ishikawa, A., Jeon, H. B., Joo, C., Kaleta, M., Kandra, J., Kang, K. H., Kodys, P., Kohriki, T., Komarov, I., Kumar, M., Kumar, R., Kvasnicka, P., La Licata, C., Lalwani, K., Lanceri, L., Lee, J. Y., Lee, S. C., Li, Y., Libby, J., Lueck, T., Mammini, P., Martini, A., Mayekar, S. N., Mohanty, G. B., Morii, T., Nakamura, K. R., Natkaniec, Z., Onuki, Y., Ostrowicz, W., Paladino, A., Paoloni, E., Park, H., Prasanth, K., Profeti, A., Rao, K. K., Rashevskaya, I., Resmi, P. K., Rizzo, G., Rozanska, M., Sahoo, D., Sasaki, J., Sato, N., Schultschik, S., Schwanda, C., Stypula, J., Suzuki, J., Tanaka, S., Tanigawa, H., Taylor, G. N., Thalmeier, R., Tsuboyama, T., Urquijo, P., Vitale, L., Wan, K., Watanabe, M., Watanuki, S., Watson, I. J., Webb, J., Wiechczynski, J., Williams, S., Yin, H., and Zani, L.

Subjects
Physics, Nuclear and High Energy Physics, business.industry, Interface (computing), Industrial control system, computer.software_genre, Slow control, Silicon vertex detector, Belle II SVD, Data acquisition, Software, Run control, Control theory, Control system, Operating system, Factory (object-oriented programming), Belle II, EPICS, Interlock, business, Instrumentation, computer
Abstract

The Belle II Silicon Vertex Detector (SVD) was installed recently and has been prepared for physics run at SuperKEKB factory, Tsukuba, Japan. For a reliable operation and data taking of the SVD, a sophisticated and robust run and slow control system has been implemented, which utilizes the Experimental Physics and Industrial Control System (EPICS) framework. EPICS uses client/server and publish/subscribe techniques to communicate between the various sub-systems and computers. The information exchange between the different pieces of software and computers is done by process variables (PVs). These PVs are provided by input/output controllers (IOCs), which communicate and interface with the hardware components. The Belle II SVD slow and run control comprises five groups of subsystems, which are SVD DAQ controller, Flash ADC controller, environmental monitors and interlocks, power supplies and EPICS infrastructure services. In this paper we describe the tasks and the implementation of the individual sub-systems, the interaction between them and the global Belle II run and slow control as well as the first experience from commissioning and initial operation of the SuperKEKB accelerator.

Published
2020

17. Beam background study for the Belle II Silicon Vertex Detector

Author

H. Aihara, S. Watanuki, T. Aziz, W. Ostrowicz, B. Gobbo, K. Lalwani, T. Lueck, G. Casarosa, T. Czank, Surajit Maity, H. B. Jeon, H. Park, L. Lanceri, H. Nakayama, F. Buchsteiner, T. Zhang, Takeo Higuchi, G. Dujany, Rajeev Kumar, L. Corona, Yonghu Chen, Markus Friedl, T. Tsuboyama, S. Hazra, S. E. Vahsen, Prafulla Kumar Behera, H. Tanigawa, J. Wiechczynski, A. B. Kaliyar, Y. Onuki, A. Bozek, Keigo Hara, L. Santelj, P. Kodyš, K. Nakamura, Z. Natkaniec, Y. Uematsu, J. Suzuki, N. Dash, Jakub Kandra, G. Batignani, N. Rout, J. A. Mora Grimaldo, Christoph Schwanda, Satoshi Tanaka, John Webb, Z. Doležal, L. Vitale, K. Wan, P. Kapusta, I. Ripp-Baudot, M. Kumar, F. Forti, K. K. Rao, O. Verbycka, C. La Licata, Shih-Chang Lee, J. Libby, S. Halder, T. Morii, T. Bilka, D. Červenkov, S. Bettarini, Christian Irmler, E. Ganiev, A. Ishikawa, A. Paladino, Peter Kvasnicka, M. Kaleta, R. Thalmeier, K. Adamczyk, H. Yin, E. Paoloni, N. Sato, G. B. Mohanty, S. N. Mayekar, K. H. Kang, G. de Marino, G. Rizzo, S. Das, J. Baudot, S. Bacher, T. Kohriki, C. W. Joo, Dipak Kumar Sahoo, L. Zani, Y. B. Li, S. Bahinipati, Tanigawa, H., Adamczyk, K., Aihara, H., Aziz, T., Bacher, S., Bahinipati, S., Batignani, G., Baudot, J., Behera, P. K., Bettarini, S., Bilka, T., Bozek, A., Buchsteiner, F., Casarosa, G., Cervenkov, D., Chen, Y. Q., Corona, L., Czank, T., Das, S. B., Dash, N., de Marino, G., Dolezal, Z., Dujany, G., Forti, F., Friedl, M., Ganiev, E., Gobbo, B., Halder, S., Hara, K., Hazra, S., Higuchi, T., Irmler, C., Ishikawa, A., Jeon, H. B., Joo, C., Kaleta, M., Kaliyar, A. B., Kandra, J., Kang, K. H., Kapusta, P., Kodys, P., Kohriki, T., Kumar, M., Kumar, R., Kvasnicka, P., Licata, C. L., Lalwani, K., Lanceri, L., Lee, S. C., Li, Y. B., Libby, J., Lueck, T., Maity, S., Mayekar, S. N., Mohanty, G. B., Grimaldo, J. A. M., Morii, T., Nakamura, K. R., Nakayama, H., Natkaniec, Z., Onuki, Y., Ostrowicz, W., Paladino, A., Paoloni, E., Park, H., Rao, K. K., Ripp-Baudot, I., Rizzo, G., Rout, N., Sahoo, D., Santelj, L., Sato, N., Schwanda, C., Suzuki, J., Tanaka, S., Thalmeier, R., Tsuboyama, T., Uematsu, Y., Vahsen, S. E., Verbycka, O., Vitale, L., Wan, K., Watanuki, S., Webb, J., Wiechczynski, J., Yin, H., Zani, L., Zhang, T., Institut Pluridisciplinaire Hubert Curien (IPHC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), and Belle-II SVD

Subjects
Nuclear and High Energy Physics, Meson, Silicon, vertex detector, chemistry.chemical_element, BELLE, 7. Clean energy, 01 natural sciences, law.invention, Beam background, Nuclear physics, Belle II, Silicon vertex detector, law, 0103 physical sciences, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, Collider, Instrumentation, Physics, Luminosity (scattering theory), 010308 nuclear & particles physics, Scattering, Detector, beam: background, chemistry, semiconductor detector, Physics::Accelerator Physics, High Energy Physics::Experiment, performance, Energy (signal processing), Beam (structure)
Abstract

The Belle II experiment aims to accumulate 50 ab−1 of e + e − collision data at the SuperKEKB asymmetric energy collider (Tsukuba, Japan). The first physics data using all Belle II detectors were taken in spring 2019. In the vast physics program of the Belle II experiment, the vertex detector plays a crucial role for the determination of the B -meson decay vertices. It consists of two inner layers of pixelated silicon detectors and four outer layers of double-sided silicon strip detectors (SVD). To achieve a design luminosity of 8 × 1 0 35 cm − 2 s − 1 , 40 times higher than the recorded luminosity of its predecessor, the SuperKEKB collider squeezes the beams to a vertical size of 50 nm (“nano-beam scheme”) and doubles the beam currents. Therefore, the detectors are required to tolerate intense beam induced background due to the very high luminosity. During the 2019 spring run we measured the occupancy rate in the SVD to estimate the level of the beam induced background. With the low initial luminosity, the observed beam induced background mostly originated from Touschek processes and beam-gas scattering within individual beams. Since these different background contributions depend differently on accelerator conditions, such as the beam current, beam size and pressure, they can be disentangled. We estimate the background rate of each contribution and compare them with simulated ones. The results enable us to predict the background levels at increased beam currents and luminosity in the coming years. They also hint at background mitigation measures for running at higher luminosity. In this proceeding we present the results of our study of the beam induced background in the SVD and the prospects for future operation.

Published
2020
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18. Series production testing and commissioning of the Belle II SVD readout system

Author

A. Bauer, T. Lueck, G. Casarosa, E. Paoloni, D. Červenkov, Jae-Young Lee, C. La Licata, Phillip Urquijo, Dipak Kumar Sahoo, Steven Williams, L. Zani, Z. Natkaniec, Y. B. Li, I. J. Watson, K. Nakamura, Shih-Chang Lee, Christian Irmler, M. De Nuccio, C. W. Joo, V. Bertacchi, To. Baroncelli, Keigo Hara, Jakub Kandra, Tariq Aziz, S. Bacher, A. Paladino, Takeo Higuchi, L. Bosisio, H. Park, A. Bozek, Rakesh Kumar, F. Buchsteiner, I. Komarov, J. Suzuki, T. Tsuboyama, I. Rashevskaya, K. H. Kang, H. Tanigawa, J. Wiechczynski, Markus Friedl, A. Martini, T. Kohriki, J.A.M. Grimaldo, R. Thalmeier, J. Libby, F. Forti, G. Rizzo, K. Prasanth, K. K. Rao, John Webb, S. N. Mayekar, L. Vitale, T. Czank, S. Schultschik, B. Bhuyan, G. Caria, Ti. Baroncelli, W. Ostrowicz, G. N. Taylor, N. Dash, Shoichi Watanuki, A. K. Basith, M. Rozanska, B. Gobbo, K. Lalwani, H. Yin, Y. Onuki, C. Schwanda, Gagan Bihari Mohanty, M. Kumar, L. Lanceri, E. L. Barberio, A. Profeti, Seema Bahinipati, K. Wan, Jun Sasaki, Z. Doležal, Filippo Bosi, Peter Kvasnicka, T. Bilka, M. Watanabe, P. Mammini, T. Morii, M. Kaleta, M. Ceccanti, N. Sato, Satoshi Tanaka, P. K. Resmi, Peter Kodys, H. Aihara, G. Batignani, J. Stypula, S. Bettarini, H. B. Jeon, A. Ishikawa, Prafulla Kumar Behera, Thalmeier, R., Aihara, H., Aziz, T., Bacher, S., Bahinipati, S., Barberio, E., Baroncelli, T., Basith, A. K., Batignani, G., Bauer, A., Behera, P. K., Bertacchi, V., Bettarini, S., Bhuyan, B., Bilka, T., Bosi, F., Bosisio, L., Bozek, A., Buchsteiner, F., Caria, G., Casarosa, G., Ceccanti, M., Cervenkov, D., Czank, T., Dash, N., De Nuccio, M., Dolezal, Z., Forti, F., Friedl, M., Gobbo, B., Grimaldo, J. A. M., Hara, K., Higuchi, T., Irmler, C., Ishikawa, A., Jeon, H. B., Joo, C., Kaleta, M., Kandra, J., Kang, K. H., Kodys, P., Kohriki, T., Komarov, I., Kumar, M., Kumar, R., Kvasnicka, P., La Licata, C., Lalwani, K., Lanceri, L., Lee, J. Y., Lee, S. C., Li, Y., Libby, J., Lueck, T., Mammini, P., Martini, A., Mayekar, S. N., Mohanty, G. B., Morii, T., Nakamura, K. R., Natkaniec, Z., Onuki, Y., Ostrowicz, W., Paladino, A., Paoloni, E., Park, H., Prasanth, K., Profeti, A., Rao, K. K., Rashevskaya, I., Resmi, P. K., Rizzo, G., Rozanska, M., Sahoo, D., Sasaki, J., Sato, N., Schultschik, S., Schwanda, C., Stypula, J., Suzuki, J., Tanaka, S., Tanigawa, H., Taylor, G. N., Tsuboyama, T., Urquijo, P., Vitale, L., Wan, K., Watanabe, M., Watanuki, S., Watson, I. J., Webb, J., Wiechczynski, J., Williams, S., Yin, H., and Zani, L.

Subjects
Nuclear and High Energy Physics, Physics::Instrumentation and Detectors, Testing, STRIPS, computer.software_genre, 01 natural sciences, 030218 nuclear medicine & medical imaging, law.invention, 03 medical and health sciences, 0302 clinical medicine, Software, Sampling (signal processing), law, Belle II SVD readout hardware, Commissioning, 0103 physical sciences, 010306 general physics, Field-programmable gate array, Instrumentation, Physics, Firmware, business.industry, Bandwidth (signal processing), Detector, Noise (video), business, computer, Computer hardware
Abstract

This paper shows the hardware and the procedure utilized to test all components of the readout system (cables, FADC boards, junction boards) of the Belle II Silicon Vertex Detector after the series production. For the FADC board special testing hardware and firmware were designed and created to check all digital and analog inputs and outputs as well as all data interconnections on the board. The main FPGA on the FADC board generates digital signals which are converted to periodic analog differential alternating voltages up to 40 MHz on the FADC board tester, which then are fed into the analog inputs of the FADC board. Histograms and scans of the samples are recorded by using random equivalent-time sampling or sequential equivalent-time sampling, allowing to characterize the behavior of the system with a much higher bandwidth than the ADCs could do with conventional measurements. Small changes of parameters of the assembly (like using a cable of different length) lead to significant changes of the measured values, creating a sensitive testing instrument. The shapes of the distributions are analyzed and compared to references by software which then decides if a test is passed or not. The commissioning setup of the whole readout chain, with all the final components including the final detector, has been tested in three phases. The respective graphs of the signal-to-noise ratios of the strips of a detector module and histograms of the noise development of the whole detector show very high consistency of the SVD readout system.

Published
2020

19. Precise Measurement of the D⁰ and D⁺ Lifetimes at Belle II

Author

F., Abudinén, I., Adachi, K., Adamczyk, L., Aggarwal, H., Ahmed, H., Aihara, N., Akopov, A., Aloisio, N., Anh Ky, D. M., Asner, H., Atmacan, V., Aushev, V., Babu, S., Bacher, H., Bae, S., Baehr, S., Bahinipati, P., Bambade, Sw., Banerjee, S., Bansal, M., Barrett, J., Baudot, M., Bauer, A., Baur, J., Becker, P. K., Behera, J. V., Bennett, E., Bernieri, F. U., Bernlochner, M., Bertemes, E., Bertholet, M., Bessner, S., Bettarini, V., Bhardwaj, F., Bianchi, T., Bilka, S., Bilokin, D., Biswas, A., Bobrov, D., Bodrov, A., Bolz, A., Bozek, M., Bračko, P., Branchini, N., Braun, R. A., Briere, T. E., Browder, A., Budano, S., Bussino, M., Campajola, L., Cao, G., Casarosa, C., Cecchi, D., Červenkov, M.-C., Chang, P., Chang, R., Cheaib, V., Chekelian, C., Chen, Y.-T., Chen, B. G., Cheon, K., Chilikin, K., Chirapatpimol, H.-E., Cho, K., Cho, S.-J., Cho, S.-K., Choi, S., Choudhury, D., Cinabro, L., Corona, L. M., Cremaldi, S., Cunliffe, T., Czank, F., Dattola, E., De La Cruz-Burelo, G., de Marino, G., De Nardo, G., De Pietro, R., de Sangro, M., Destefanis, S., Dey, A., De Yta-Hernandez, A., Di Canto, F., Di Capua, J., Dingfelder, Z., Doležal, I., Domínguez Jiménez, T. V., Dong, M., Dorigo, K., Dort, D., Dossett, S., Dubey, S., Duell, G., Dujany, P., Ecker, D., Epifanov, T., Ferber, D., Ferlewicz, G., Finocchiaro, K., Flood, A., Fodor, F., Forti, B. G., Fulsom, A., Gabrielli, N., Gabyshev, A., Gaz, A., Gellrich, G., Giakoustidis, R., Giordano, A., Giri, A., Glazov, B., Gobbo, R., Godang, P., Goldenzweig, B., Golob, W., Gradl, E., Graziani, D., Greenwald, T., Gu, Y., Guan, K., Gudkova, J., Guilliams, C., Hadjivasiliou, S., Halder, K., Hara, T., Hara, O., Hartbrich, K., Hayasaka, H., Hayashii, S., Hazra, C., Hearty, I., Heredia de la Cruz, M., Hernández Villanueva, A., Hershenhorn, T., Higuchi, E. C., Hill, H., Hirata, M., Hoek, M., Hohmann, C.-L., Hsu, T., Humair, T., Iijima, K., Inami, G., Inguglia, A., Ishikawa, R., Itoh, M., Iwasaki, Y., Iwasaki, W. W., Jacobs, D. E., Jaffe, E.-J., Jang, S., Jia, Y., Jin, H., Junkerkalefeld, H., Kakuno, A. B., Kaliyar, J., Kandra, K. H., Kang, R., Karl, G., Karyan, Y., Kato, T., Kawasaki, C., Kiesling, C.-H., Kim, D. Y., Kim, Y.-K., Kim, Y., Kim, T. D., Kimmel, K., Kinoshita, P., Kodyš, T., Koga, S., Kohani, T., Konno, S., Korpar, E., Kovalenko, R., Kowalewski, T. M. G., Kraetzschmar, F., Krinner, P., Križan, P., Krokovny, T., Kuhr, J., Kumar, M., Kumar, R., Kumar, K., Kumara, S., Kurz, A., Kuzmin, Y.-J., Kwon, S., Lacaprara, K., Lalwani, T., Lam, L., Lanceri, J. S., Lange, M., Laurenza, K., Lautenbach, F. R., Le Diberder, S. C., Lee, P., Leitl, D., Levit, C., Li, L. K., Li, J., Libby, K., Lieret, Z., Liptak, Q. Y., Liu, D., Liventsev, S., Longo, T., Lueck, C., Lyu, R., Manfredi, E., Manoni, C., Marinas, A., Martini, T., Matsuda, K., Matsuoka, D., Matvienko, J. A., McKenna, F., Meier, M., Merola, F., Metzner, C., Miller, K., Miyabayashi, R., Mizuk, G. B., Mohanty, N., Molina-Gonzalez, H., Moon, H.-G., Moser, M., Mrvar, C., Murphy, R., Mussa, I., Nakamura, K. R., Nakamura, M., Nakao, H., Nakazawa, Z., Natkaniec, A., Natochii, G., Nazaryan, C., Niebuhr, M., Niiyama, N. K., Nisar, S., Nishida, K., Nishimura, S., Ogawa, Y., Onishchuk, H., Ono, Y., Onuki, P., Oskin, E. R., Oxford, H., Ozaki, P., Pakhlov, A., Paladino, T., Pang, A., Panta, E., Paoloni, S., Pardi, H., Park, S.-H., Park, B., Paschen, A., Passeri, A., Pathak, S., Patra, S., Paul, T. K., Pedlar, I., Peruzzi, R., Peschke, R., Pestotnik, F., Pham, M., Piccolo, L. E., Piilonen, G., Pinna Angioni, P. L. M., Podesta-Lerma, T., Podobnik, S., Pokharel, G., Polat, V., Popov, C., Praz, S., Prell, E., Prencipe, M. T., Prim, M. V., Purohit, H., Purwar, N., Rad, P., Rados, S., Raiz, S., Reiter, M., Remnev, I., Ripp-Baudot, G., Rizzo, L. B., Rizzuto, S. H., Robertson, J. M., Roney, A., Rostomyan, N., Rout, M., Rozanska, D., Sahoo, D. A., Sanders, S., Sandilya, A., Sangal, L., Santelj, Y., Sato, V., Savinov, B., Scavino, J., Schueler, C., Schwanda, A. J., Schwartz, Y., Seino, A., Selce, K., Senyo, J., Serrano, C., Sfienti, J.-G., Shiu, B., Shwartz, A., Sibidanov, F., Simon, R. J., Sobie, A., Soffer, A., Sokolov, E., Solovieva, S., Spataro, B., Spruck, M., Starič, S., Stefkova, Z. S., Stottler, R., Stroili, J., Strube, M., Sumihama, W., Sutcliffe, S. Y., Suzuki, H., Svidras, M., Tabata, M., Takizawa, U., Tamponi, S., Tanaka, K., Tanida, H., Tanigawa, N., Taniguchi, F., Tenchini, R., Tiwary, D., Tonelli, E., Torassa, N., Toutounji, K., Trabelsi, T., Tsuboyama, I., Ueda, S., Uehara, Y., Uematsu, T., Uglov, K., Unger, Y., Unno, K., Uno, S., Uno, P., Urquijo, Y., Ushiroda, Y. V., Usov, S. E., Vahsen, R., van Tonder, G. S., Varner, A., Vinokurova, L., Vitale, A., Vossen, E., Waheed, H. M., Wakeling, E., Wang, M.-Z., Wang, X. L., Wang, A., Warburton, M., Watanabe, M., Welsch, C., Wessel, J., Wiechczynski, E., Won, X. P., Xu, B. D., Yabsley, S., Yamada, W., Yan, S. B., Yang, H., Ye, J., Yelton, J. H., Yin, K., Yoshihara, Y., Yusa, L., Zani, V., Zhilich, Q. D., Zhou, X. Y., Zhou, V. I., Zhukova, and R., Žlebčík

Abstract

We report a measurement of the D⁰ and D⁺ lifetimes using D⁰→K⁻π⁺ and D⁺→K⁻π⁺π⁺ decays reconstructed in e⁺e⁻→[Formula: see text] data recorded by the Belle II experiment at the SuperKEKB asymmetric-energy e⁺e⁻ collider. The data, collected at center-of-mass energies at or near the Υ(4S) resonance, correspond to an integrated luminosity of 72 fb⁻¹. The results, τ(D⁰)=410.5±1.1(stat)±0.8(syst) fs and τ(D⁺)=1030.4±4.7(stat)±3.1(syst) fs, are the most precise to date and are consistent with previous determinations.

Published
2021
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20. Precision Measurement of Charged Pion and Kaon Differential Cross Sections ine+e−Annihilation ats=10.52 GeV

Author

M. Leitgab, R. Seidl, M. Grosse Perdekamp, A. Vossen, I. Adachi, H. Aihara, D. M. Asner, V. Aulchenko, T. Aushev, A. M. Bakich, B. Bhuyan, A. Bondar, A. Bozek, M. Bračko, J. Brodzicka, T. E. Browder, V. Chekelian, A. Chen, P. Chen, B. G. Cheon, K. Chilikin, K. Cho, V. Chobanova, Y. Choi, D. Cinabro, J. Dalseno, Z. Drásal, D. Dutta, S. Eidelman, D. Epifanov, H. Farhat, J. E. Fast, V. Gaur, N. Gabyshev, R. Gillard, F. Giordano, Y. M. Goh, B. Golob, J. Haba, K. Hayasaka, H. Hayashii, Y. Hoshi, W.-S. Hou, Y. B. Hsiung, H. J. Hyun, T. Iijima, A. Ishikawa, R. Itoh, W. W. Jacobs, T. Julius, J. H. Kang, P. Kapusta, E. Kato, T. Kawasaki, H. J. Kim, H. O. Kim, J. B. Kim, J. H. Kim, M. J. Kim, J. Klucar, B. R. Ko, P. Kodyš, R. T. Kouzes, P. Križan, P. Krokovny, R. Kumar, T. Kumita, Y.-J. Kwon, J. S. Lange, S.-H. Lee, Y. Li, Z. Q. Liu, D. Liventsev, D. Matvienko, K. Miyabayashi, H. Miyata, R. Mizuk, A. Moll, N. Muramatsu, E. Nakano, M. Nakao, Z. Natkaniec, M. Nayak, E. Nedelkovska, C. Ng, N. K. Nisar, O. Nitoh, A. Ogawa, S. Ogawa, T. Ohshima, S. Okuno, S. L. Olsen, C. Oswald, P. Pakhlov, H. Park, H. K. Park, T. K. Pedlar, R. Pestotnik, M. Petrič, L. E. Piilonen, M. Röhrken, H. Sahoo, Y. Sakai, S. Sandilya, L. Santelj, T. Sanuki, Y. Sato, O. Schneider, G. Schnell, C. Schwanda, K. Senyo, O. Seon, M. E. Sevior, M. Shapkin, C. P. Shen, T.-A. Shibata, J.-G. Shiu, B. Shwartz, A. Sibidanov, F. Simon, P. Smerkol, Y.-S. Sohn, A. Sokolov, E. Solovieva, M. Starič, M. Sumihama, T. Sumiyoshi, G. Tatishvili, Y. Teramoto, T. Tsuboyama, M. Uchida, T. Uglov, Y. Unno, S. Uno, Y. Usov, C. Van Hulse, G. Varner, V. Vorobyev, M. N. Wagner, C. H. Wang, J. Wang, M.-Z. Wang, P. Wang, M. Watanabe, Y. Watanabe, K. M. Williams, E. Won, Y. Yamashita, V. Zhilich, and V. Zhulanov

Published
2013
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21. Measurement of exclusiveΥ(1S)andΥ(2S)decays into vector-pseudoscalar final states

Author

C. P. Shen, C. Z. Yuan, I. Adachi, H. Aihara, D. M. Asner, V. Aulchenko, A. M. Bakich, A. Bala, B. Bhuyan, M. Bischofberger, A. Bozek, M. Bračko, T. E. Browder, V. Chekelian, A. Chen, P. Chen, B. G. Cheon, K. Chilikin, I.-S. Cho, K. Cho, V. Chobanova, Y. Choi, D. Cinabro, J. Dalseno, M. Danilov, J. Dingfelder, Z. Doležal, Z. Drásal, A. Drutskoy, D. Dutta, K. Dutta, S. Eidelman, D. Epifanov, H. Farhat, J. E. Fast, T. Ferber, A. Frey, V. Gaur, N. Gabyshev, S. Ganguly, R. Gillard, Y. M. Goh, B. Golob, J. Haba, T. Hara, K. Hayasaka, H. Hayashii, Y. Hoshi, W.-S. Hou, H. J. Hyun, T. Iijima, A. Ishikawa, R. Itoh, Y. Iwasaki, T. Julius, D. H. Kah, J. H. Kang, E. Kato, T. Kawasaki, C. Kiesling, D. Y. Kim, H. J. Kim, J. B. Kim, J. H. Kim, K. T. Kim, Y. J. Kim, K. Kinoshita, J. Klucar, B. R. Ko, P. Kodyš, S. Korpar, P. Križan, P. Krokovny, T. Kumita, A. Kuzmin, Y.-J. Kwon, S.-H. Lee, R. Leitner, J. Li, Y. Li, J. Libby, C. Liu, Y. Liu, Z. Q. Liu, D. Liventsev, P. Lukin, D. Matvienko, K. Miyabayashi, H. Miyata, G. B. Mohanty, A. Moll, T. Mori, N. Muramatsu, R. Mussa, Y. Nagasaka, E. Nakano, M. Nakao, Z. Natkaniec, M. Nayak, E. Nedelkovska, C. Ng, N. K. Nisar, S. Nishida, O. Nitoh, S. Ogawa, S. Okuno, S. L. Olsen, W. Ostrowicz, P. Pakhlov, C. W. Park, H. Park, H. K. Park, T. K. Pedlar, T. Peng, R. Pestotnik, M. Petrič, L. E. Piilonen, M. Ritter, M. Röhrken, A. Rostomyan, S. Ryu, H. Sahoo, T. Saito, Y. Sakai, S. Sandilya, L. Santelj, T. Sanuki, Y. Sato, V. Savinov, O. Schneider, G. Schnell, C. Schwanda, K. Senyo, O. Seon, M. Shapkin, V. Shebalin, T.-A. Shibata, J.-G. Shiu, B. Shwartz, A. Sibidanov, F. Simon, P. Smerkol, Y.-S. Sohn, A. Sokolov, E. Solovieva, S. Stanič, M. Starič, M. Steder, M. Sumihama, T. Sumiyoshi, U. Tamponi, K. Tanida, G. Tatishvili, Y. Teramoto, T. Tsuboyama, M. Uchida, S. Uehara, Y. Unno, S. Uno, P. Urquijo, S. E. Vahsen, C. Van Hulse, P. Vanhoefer, G. Varner, V. Vorobyev, M. N. Wagner, C. H. Wang, P. Wang, X. L. Wang, M. Watanabe, Y. Watanabe, E. Won, H. Yamamoto, J. Yamaoka, Y. Yamashita, S. Yashchenko, Y. Yook, Y. Yusa, C. C. Zhang, Z. P. Zhang, V. Zhilich, and A. Zupanc

Published
2013
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22. Evidence of a New Narrow Resonance Decaying toχc1γinB→χc1γK

Author

V. Bhardwaj, K. Miyabayashi, I. Adachi, H. Aihara, D. M. Asner, V. Aulchenko, T. Aushev, T. Aziz, A. M. Bakich, A. Bala, B. Bhuyan, M. Bischofberger, A. Bondar, G. Bonvicini, A. Bozek, M. Bračko, J. Brodzicka, T. E. Browder, V. Chekelian, A. Chen, B. G. Cheon, K. Chilikin, R. Chistov, K. Cho, V. Chobanova, S.-K. Choi, Y. Choi, D. Cinabro, J. Dalseno, M. Danilov, Z. Doležal, Z. Drásal, A. Drutskoy, D. Dutta, K. Dutta, S. Eidelman, D. Epifanov, H. Farhat, J. E. Fast, T. Ferber, A. Frey, V. Gaur, N. Gabyshev, S. Ganguly, R. Gillard, Y. M. Goh, B. Golob, J. Haba, T. Hara, H. Hayashii, Y. Horii, Y. Hoshi, W.-S. Hou, Y. B. Hsiung, H. J. Hyun, T. Iijima, K. Inami, A. Ishikawa, R. Itoh, T. Iwashita, T. Julius, D. H. Kah, J. H. Kang, E. Kato, T. Kawasaki, H. Kichimi, C. Kiesling, D. Y. Kim, J. B. Kim, J. H. Kim, K. T. Kim, M. J. Kim, Y. J. Kim, K. Kinoshita, J. Klucar, B. R. Ko, P. Kodyš, S. Korpar, P. Križan, P. Krokovny, R. Kumar, T. Kumita, A. Kuzmin, Y.-J. Kwon, J. S. Lange, S.-H. Lee, J. Li, Y. Li, C. Liu, Z. Q. Liu, D. Liventsev, P. Lukin, D. Matvienko, H. Miyata, R. Mizuk, G. B. Mohanty, A. Moll, R. Mussa, E. Nakano, M. Nakao, Z. Natkaniec, M. Nayak, E. Nedelkovska, N. K. Nisar, S. Nishida, O. Nitoh, S. Ogawa, S. Okuno, S. L. Olsen, P. Pakhlov, G. Pakhlova, E. Panzenböck, H. Park, H. K. Park, T. K. Pedlar, R. Pestotnik, M. Petrič, L. E. Piilonen, M. Ritter, M. Röhrken, A. Rostomyan, H. Sahoo, T. Saito, K. Sakai, Y. Sakai, S. Sandilya, D. Santel, L. Santelj, T. Sanuki, Y. Sato, V. Savinov, O. Schneider, G. Schnell, C. Schwanda, R. Seidl, D. Semmler, K. Senyo, O. Seon, M. E. Sevior, M. Shapkin, C. P. Shen, T.-A. Shibata, J.-G. Shiu, B. Shwartz, F. Simon, J. B. Singh, P. Smerkol, Y.-S. Sohn, A. Sokolov, E. Solovieva, M. Starič, M. Steder, M. Sumihama, T. Sumiyoshi, U. Tamponi, K. Tanida, G. Tatishvili, Y. Teramoto, K. Trabelsi, T. Tsuboyama, M. Uchida, S. Uehara, T. Uglov, Y. Unno, P. Urquijo, Y. Usov, S. E. Vahsen, C. Van Hulse, P. Vanhoefer, G. Varner, K. E. Varvell, A. Vinokurova, M. N. Wagner, C. H. Wang, M.-Z. Wang, P. Wang, M. Watanabe, Y. Watanabe, E. Won, B. D. Yabsley, J. Yamaoka, Y. Yamashita, S. Yashchenko, Y. Yook, C. Z. Yuan, C. C. Zhang, Z. P. Zhang, V. Zhilich, V. Zhulanov, and A. Zupanc

Published
2013
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23. Search forB→h(*)νν¯with the full BelleΥ(4S)data sample

Author

O. Lutz, S. Neubauer, M. Heck, T. Kuhr, A. Zupanc, I. Adachi, H. Aihara, D. M. Asner, T. Aushev, T. Aziz, A. M. Bakich, K. Belous, V. Bhardwaj, B. Bhuyan, A. Bondar, G. Bonvicini, A. Bozek, M. Bračko, T. E. Browder, P. Chang, V. Chekelian, A. Chen, P. Chen, B. G. Cheon, R. Chistov, K. Cho, V. Chobanova, Y. Choi, D. Cinabro, J. Dalseno, M. Danilov, Z. Doležal, Z. Drásal, D. Dutta, S. Eidelman, D. Epifanov, H. Farhat, J. E. Fast, M. Feindt, V. Gaur, N. Gabyshev, S. Ganguly, R. Gillard, Y. M. Goh, B. Golob, J. Haba, T. Hara, K. Hayasaka, H. Hayashii, Y. Hoshi, W.-S. Hou, Y. B. Hsiung, H. J. Hyun, T. Iijima, A. Ishikawa, R. Itoh, Y. Iwasaki, T. Julius, J. H. Kang, P. Kapusta, E. Kato, T. Kawasaki, C. Kiesling, H. J. Kim, H. O. Kim, J. B. Kim, J. H. Kim, K. T. Kim, M. J. Kim, K. Kinoshita, J. Klucar, B. R. Ko, P. Kodyš, S. Korpar, R. T. Kouzes, P. Križan, P. Krokovny, B. Kronenbitter, T. Kumita, A. Kuzmin, Y.-J. Kwon, J. S. Lange, S.-H. Lee, Y. Li, C. Liu, Y. Liu, D. Liventsev, D. Matvienko, K. Miyabayashi, H. Miyata, G. B. Mohanty, A. Moll, T. Müller, N. Muramatsu, E. Nakano, M. Nakao, Z. Natkaniec, M. Nayak, E. Nedelkovska, C. Ng, N. K. Nisar, S. Nishida, O. Nitoh, S. Ogawa, T. Ohshima, S. Okuno, S. L. Olsen, Y. Onuki, C. Oswald, P. Pakhlov, G. Pakhlova, H. Park, H. K. Park, T. K. Pedlar, R. Pestotnik, M. Petrič, L. E. Piilonen, M. Prim, M. Ritter, M. Röhrken, H. Sahoo, T. Saito, Y. Sakai, S. Sandilya, D. Santel, L. Santelj, T. Sanuki, Y. Sato, O. Schneider, G. Schnell, C. Schwanda, A. J. Schwartz, K. Senyo, O. Seon, M. E. Sevior, M. Shapkin, V. Shebalin, C. P. Shen, T.-A. Shibata, J.-G. Shiu, B. Shwartz, A. Sibidanov, F. Simon, P. Smerkol, Y.-S. Sohn, A. Sokolov, E. Solovieva, M. Starič, M. Sumihama, T. Sumiyoshi, G. Tatishvili, Y. Teramoto, K. Trabelsi, T. Tsuboyama, M. Uchida, T. Uglov, Y. Unno, S. Uno, Y. Usov, C. Van Hulse, G. Varner, V. Vorobyev, M. N. Wagner, C. H. Wang, J. Wang, M.-Z. Wang, P. Wang, M. Watanabe, Y. Watanabe, K. M. Williams, E. Won, H. Yamamoto, Y. Yamashita, Z. P. Zhang, V. Zhilich, and V. Zhulanov

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2013
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24. Evidence forB−→τ−ν¯τwith a Hadronic Tagging Method Using the Full Data Sample of Belle

Author

K. Hara, Y. Horii, T. Iijima, I. Adachi, H. Aihara, D. M. Asner, T. Aushev, T. Aziz, A. M. Bakich, M. Barrett, V. Bhardwaj, B. Bhuyan, A. Bondar, G. Bonvicini, A. Bozek, M. Bračko, T. E. Browder, V. Chekelian, A. Chen, P. Chen, B. G. Cheon, K. Chilikin, I.-S. Cho, K. Cho, Y. Choi, D. Cinabro, J. Dalseno, J. Dingfelder, Z. Doležal, Z. Drásal, A. Drutskoy, D. Dutta, S. Eidelman, D. Epifanov, S. Esen, H. Farhat, A. Frey, V. Gaur, N. Gabyshev, S. Ganguly, R. Gillard, Y. M. Goh, B. Golob, J. Haba, T. Hara, K. Hayasaka, H. Hayashii, T. Higuchi, Y. Hoshi, K. Inami, A. Ishikawa, R. Itoh, Y. Iwasaki, T. Iwashita, T. Julius, J. H. Kang, T. Kawasaki, C. Kiesling, H. O. Kim, J. B. Kim, J. H. Kim, K. T. Kim, M. J. Kim, Y. J. Kim, K. Kinoshita, J. Klucar, B. R. Ko, P. Kodyš, S. Korpar, R. T. Kouzes, P. Križan, P. Krokovny, B. Kronenbitter, T. Kuhr, T. Kumita, A. Kuzmin, Y.-J. Kwon, J. S. Lange, S.-H. Lee, J. Li, Y. Li, J. Libby, C. Liu, Y. Liu, Z. Q. Liu, D. Liventsev, D. Matvienko, K. Miyabayashi, H. Miyata, R. Mizuk, G. B. Mohanty, A. Moll, T. Mori, N. Muramatsu, E. Nakano, M. Nakao, H. Nakazawa, Z. Natkaniec, M. Nayak, C. Ng, N. K. Nisar, S. Nishida, K. Nishimura, O. Nitoh, T. Nozaki, T. Ohshima, S. Okuno, S. L. Olsen, C. Oswald, H. Ozaki, P. Pakhlov, G. Pakhlova, C. W. Park, H. K. Park, T. K. Pedlar, R. Pestotnik, M. Petrič, L. E. Piilonen, M. Prim, M. Röhrken, S. Ryu, H. Sahoo, K. Sakai, Y. Sakai, S. Sandilya, D. Santel, T. Sanuki, Y. Sato, O. Schneider, G. Schnell, C. Schwanda, A. J. Schwartz, K. Senyo, O. Seon, M. E. Sevior, M. Shapkin, C. P. Shen, T.-A. Shibata, J.-G. Shiu, B. Shwartz, A. Sibidanov, F. Simon, P. Smerkol, Y.-S. Sohn, A. Sokolov, E. Solovieva, M. Starič, M. Sumihama, T. Sumiyoshi, G. Tatishvili, Y. Teramoto, K. Trabelsi, T. Tsuboyama, M. Uchida, S. Uehara, Y. Unno, S. Uno, P. Urquijo, Y. Ushiroda, Y. Usov, C. Van Hulse, P. Vanhoefer, G. Varner, K. E. Varvell, V. Vorobyev, M. N. Wagner, C. H. Wang, M.-Z. Wang, P. Wang, M. Watanabe, Y. Watanabe, K. M. Williams, E. Won, B. D. Yabsley, H. Yamamoto, Y. Yamashita, Y. Yusa, Z. P. Zhang, V. Zhilich, V. Zhulanov, and A. Zupanc

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2013
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25. Precise measurement of the branching fractions forBs0→Ds(*)+Ds(*)−and first measurement of theDs*+Ds*−polarization usinge+e−collisions

Author

S. Esen, A. J. Schwartz, H. Aihara, D. M. Asner, T. Aushev, A. M. Bakich, K. Belous, B. Bhuyan, A. Bozek, M. Bračko, T. E. Browder, V. Chekelian, A. Chen, P. Chen, B. G. Cheon, K. Chilikin, R. Chistov, I.-S. Cho, K. Cho, Y. Choi, J. Dalseno, M. Danilov, Z. Doležal, A. Drutskoy, S. Eidelman, M. Feindt, V. Gaur, J. Haba, T. Hara, H. Hayashii, Y. Horii, Y. Hoshi, W.-S. Hou, Y. B. Hsiung, H. J. Hyun, T. Iijima, A. Ishikawa, R. Itoh, M. Iwabuchi, Y. Iwasaki, T. Iwashita, T. Julius, J. H. Kang, T. Kawasaki, C. Kiesling, H. O. Kim, K. T. Kim, M. J. Kim, Y. J. Kim, K. Kinoshita, B. R. Ko, S. Koblitz, P. Kodyš, S. Korpar, R. T. Kouzes, P. Križan, P. Krokovny, T. Kuhr, T. Kumita, Y.-J. Kwon, S.-H. Lee, J. Li, Y. Li, J. Libby, C. Liu, Y. Liu, D. Liventsev, R. Louvot, S. McOnie, H. Miyata, R. Mizuk, D. Mohapatra, A. Moll, N. Muramatsu, M. Nakao, H. Nakazawa, Z. Natkaniec, C. Ng, S. Nishida, K. Nishimura, O. Nitoh, T. Ohshima, S. Okuno, S. L. Olsen, Y. Onuki, G. Pakhlova, C. W. Park, H. Park, H. K. Park, T. K. Pedlar, R. Pestotnik, M. Petrič, L. E. Piilonen, M. Röhrken, S. Ryu, Y. Sakai, D. Santel, L. Santelj, T. Sanuki, Y. Sato, O. Schneider, C. Schwanda, K. Senyo, M. E. Sevior, M. Shapkin, T.-A. Shibata, J.-G. Shiu, B. Shwartz, A. Sibidanov, F. Simon, P. Smerkol, Y.-S. Sohn, A. Sokolov, E. Solovieva, S. Stanič, M. Starič, T. Sumiyoshi, G. Tatishvili, Y. Teramoto, K. Trabelsi, T. Tsuboyama, M. Uchida, S. Uehara, T. Uglov, Y. Unno, S. Uno, S. E. Vahsen, P. Vanhoefer, G. Varner, C. H. Wang, M.-Z. Wang, P. Wang, Y. Watanabe, K. M. Williams, E. Won, J. Yamaoka, Y. Yamashita, Z. P. Zhang, V. Zhilich, and V. Zhulanov

Published
2013
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26. Evidence for theηb(2S)and Observation ofhb(1P)→ηb(1S)γandhb(2P)→ηb(1S)γ

Author

R. Mizuk, D. M. Asner, A. Bondar, T. K. Pedlar, I. Adachi, H. Aihara, K. Arinstein, V. Aulchenko, T. Aushev, T. Aziz, A. M. Bakich, A. Bay, K. Belous, V. Bhardwaj, B. Bhuyan, M. Bischofberger, G. Bonvicini, A. Bozek, M. Bračko, J. Brodzicka, T. E. Browder, V. Chekelian, A. Chen, P. Chen, B. G. Cheon, K. Chilikin, R. Chistov, I.-S. Cho, K. Cho, S.-K. Choi, Y. Choi, J. Dalseno, M. Danilov, Z. Doležal, Z. Drásal, A. Drutskoy, S. Eidelman, D. Epifanov, J. E. Fast, V. Gaur, N. Gabyshev, A. Garmash, B. Golob, J. Haba, T. Hara, K. Hayasaka, H. Hayashii, Y. Horii, Y. Hoshi, W.-S. Hou, Y. B. Hsiung, H. J. Hyun, T. Iijima, A. Ishikawa, R. Itoh, M. Iwabuchi, Y. Iwasaki, T. Iwashita, I. Jaegle, T. Julius, J. H. Kang, P. Kapusta, T. Kawasaki, H. J. Kim, H. O. Kim, J. H. Kim, K. T. Kim, M. J. Kim, Y. J. Kim, K. Kinoshita, B. R. Ko, S. Koblitz, P. Kodyš, S. Korpar, R. T. Kouzes, P. Križan, P. Krokovny, T. Kuhr, T. Kumita, A. Kuzmin, Y.-J. Kwon, J. S. Lange, S.-H. Lee, J. Li, J. Libby, C. Liu, Y. Liu, Z. Q. Liu, D. Liventsev, R. Louvot, D. Matvienko, S. McOnie, K. Miyabayashi, H. Miyata, G. B. Mohanty, D. Mohapatra, A. Moll, N. Muramatsu, R. Mussa, M. Nakao, Z. Natkaniec, C. Ng, S. Nishida, K. Nishimura, O. Nitoh, T. Nozaki, T. Ohshima, S. Okuno, S. L. Olsen, Y. Onuki, P. Pakhlov, G. Pakhlova, C. W. Park, H. Park, R. Pestotnik, M. Petrič, L. E. Piilonen, A. Poluektov, M. Röhrken, Y. Sakai, S. Sandilya, D. Santel, T. Sanuki, Y. Sato, O. Schneider, C. Schwanda, K. Senyo, O. Seon, M. E. Sevior, M. Shapkin, C. P. Shen, T.-A. Shibata, J.-G. Shiu, B. Shwartz, A. Sibidanov, F. Simon, P. Smerkol, Y.-S. Sohn, A. Sokolov, E. Solovieva, S. Stanič, M. Starič, M. Sumihama, T. Sumiyoshi, K. Tanida, G. Tatishvili, Y. Teramoto, I. Tikhomirov, K. Trabelsi, T. Tsuboyama, M. Uchida, S. Uehara, T. Uglov, Y. Unno, S. Uno, P. Vanhoefer, G. Varner, K. E. Varvell, A. Vinokurova, V. Vorobyev, C. H. Wang, M.-Z. Wang, P. Wang, X. L. Wang, M. Watanabe, Y. Watanabe, K. M. Williams, E. Won, B. D. Yabsley, J. Yamaoka, Y. Yamashita, C. Z. Yuan, Z. P. Zhang, and V. Zhilich

Published
2012
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27. Evidence forCPViolation in the DecayD+→KS0π+

Author

B. R. Ko, E. Won, I. Adachi, H. Aihara, D. M. Asner, V. Aulchenko, T. Aushev, T. Aziz, A. M. Bakich, K. Belous, V. Bhardwaj, B. Bhuyan, M. Bischofberger, A. Bondar, G. Bonvicini, A. Bozek, M. Bračko, T. E. Browder, M.-C. Chang, A. Chen, P. Chen, B. G. Cheon, K. Chilikin, I.-S. Cho, K. Cho, Y. Choi, Z. Doležal, Z. Drásal, S. Eidelman, J. E. Fast, V. Gaur, N. Gabyshev, A. Garmash, Y. M. Goh, B. Golob, J. Haba, K. Hayasaka, H. Hayashii, Y. Horii, Y. Hoshi, W.-S. Hou, Y. B. Hsiung, H. J. Hyun, T. Iijima, A. Ishikawa, R. Itoh, M. Iwabuchi, Y. Iwasaki, T. Iwashita, T. Julius, J. H. Kang, T. Kawasaki, C. Kiesling, H. O. Kim, J. B. Kim, K. T. Kim, M. J. Kim, Y. J. Kim, K. Kinoshita, S. Koblitz, P. Kodyš, S. Korpar, P. Križan, P. Krokovny, T. Kuhr, A. Kuzmin, Y.-J. Kwon, J. S. Lange, S.-H. Lee, J. Li, Y. Li, J. Libby, C.-L. Lim, C. Liu, Y. Liu, Z. Q. Liu, D. Liventsev, R. Louvot, D. Matvienko, Y. Miyazaki, R. Mizuk, G. B. Mohanty, A. Moll, T. Mori, N. Muramatsu, Y. Nagasaka, E. Nakano, M. Nakao, H. Nakazawa, Z. Natkaniec, S. Nishida, K. Nishimura, O. Nitoh, S. Ogawa, T. Ohshima, S. Okuno, S. L. Olsen, Y. Onuki, W. Ostrowicz, P. Pakhlov, G. Pakhlova, C. W. Park, H. K. Park, K. S. Park, T. K. Pedlar, R. Pestotnik, M. Petrič, L. E. Piilonen, A. Poluektov, M. Ritter, M. Röhrken, S. Ryu, H. Sahoo, K. Sakai, Y. Sakai, T. Sanuki, Y. Sato, O. Schneider, C. Schwanda, A. J. Schwartz, R. Seidl, K. Senyo, M. E. Sevior, M. Shapkin, V. Shebalin, C. P. Shen, T.-A. Shibata, J.-G. Shiu, B. Shwartz, A. Sibidanov, F. Simon, P. Smerkol, Y.-S. Sohn, A. Sokolov, E. Solovieva, S. Stanič, M. Starič, T. Sumiyoshi, S. Tanaka, G. Tatishvili, Y. Teramoto, K. Trabelsi, T. Tsuboyama, M. Uchida, S. Uehara, Y. Unno, S. Uno, G. Varner, K. E. Varvell, A. Vinokurova, V. Vorobyev, C. H. Wang, P. Wang, X. L. Wang, M. Watanabe, Y. Watanabe, H. Yamamoto, Y. Yamashita, C. Z. Yuan, C. C. Zhang, Z. P. Zhang, V. Zhilich, V. Zhulanov, and A. Zupanc

Published
2012
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28. Precise Measurement of theCPViolation Parametersin 2ϕ1inB0→(cc¯)K0Decays

Author

I. Adachi, H. Aihara, D. M. Asner, V. Aulchenko, T. Aushev, T. Aziz, A. M. Bakich, A. Bay, V. Bhardwaj, B. Bhuyan, M. Bischofberger, A. Bondar, A. Bozek, M. Bračko, T. E. Browder, P. Chen, B. G. Cheon, K. Chilikin, R. Chistov, K. Cho, S.-K. Choi, Y. Choi, J. Dalseno, M. Danilov, Z. Doležal, Z. Drásal, S. Eidelman, D. Epifanov, J. E. Fast, V. Gaur, N. Gabyshev, A. Garmash, Y. M. Goh, B. Golob, J. Haba, K. Hara, T. Hara, K. Hayasaka, H. Hayashii, T. Higuchi, Y. Horii, Y. Hoshi, W.-S. Hou, Y. B. Hsiung, H. J. Hyun, T. Iijima, A. Ishikawa, R. Itoh, M. Iwabuchi, Y. Iwasaki, T. Iwashita, T. Julius, P. Kapusta, N. Katayama, T. Kawasaki, H. Kichimi, C. Kiesling, H. J. Kim, H. O. Kim, J. B. Kim, J. H. Kim, K. T. Kim, Y. J. Kim, K. Kinoshita, B. R. Ko, S. Koblitz, P. Kodyš, S. Korpar, P. Križan, P. Krokovny, T. Kuhr, R. Kumar, T. Kumita, A. Kuzmin, Y.-J. Kwon, J. S. Lange, S.-H. Lee, J. Li, Y. Li, C. Liu, Y. Liu, Z. Q. Liu, D. Liventsev, R. Louvot, D. Matvienko, S. McOnie, K. Miyabayashi, H. Miyata, Y. Miyazaki, R. Mizuk, G. B. Mohanty, T. Mori, N. Muramatsu, E. Nakano, M. Nakao, H. Nakazawa, S. Neubauer, S. Nishida, K. Nishimura, O. Nitoh, S. Ogawa, T. Ohshima, S. Okuno, S. L. Olsen, Y. Onuki, H. Ozaki, P. Pakhlov, G. Pakhlova, H. K. Park, K. S. Park, T. K. Pedlar, R. Pestotnik, M. Petrič, L. E. Piilonen, A. Poluektov, M. Röhrken, M. Rozanska, H. Sahoo, K. Sakai, Y. Sakai, T. Sanuki, Y. Sato, O. Schneider, C. Schwanda, A. J. Schwartz, K. Senyo, V. Shebalin, C. P. Shen, T.-A. Shibata, J.-G. Shiu, B. Shwartz, A. Sibidanov, F. Simon, J. B. Singh, P. Smerkol, Y.-S. Sohn, A. Sokolov, E. Solovieva, S. Stanič, M. Starič, M. Sumihama, K. Sumisawa, T. Sumiyoshi, S. Tanaka, G. Tatishvili, Y. Teramoto, I. Tikhomirov, K. Trabelsi, T. Tsuboyama, M. Uchida, S. Uehara, T. Uglov, Y. Unno, S. Uno, Y. Ushiroda, S. E. Vahsen, G. Varner, K. E. Varvell, A. Vinokurova, V. Vorobyev, C. H. Wang, M.-Z. Wang, P. Wang, M. Watanabe, Y. Watanabe, K. M. Williams, E. Won, B. D. Yabsley, H. Yamamoto, Y. Yamashita, M. Yamauchi, Y. Yusa, Z. P. Zhang, V. Zhilich, A. Zupanc, and O. Zyukova

Published
2012
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29. Measurement of the Michel parameters (η‾, ξκ ) in the radiative leptonic decay of τ

Author

J. E. Fast, D. Dossett, M. Niiyama, L. Pesántez, V. Trusov, Andrey Sokolov, S. Shinomiya, Byeong Rok Ko, M. Feindt, I. Nakamura, V. Babu, Hui Li, Jingxu Wang, T. Aushev, O. Frost, Z. Suzuki, J. Grygier, J. H. Kang, Y. Miyachi, Hikaru Kawai, M. Belhorn, Benjamin Schwenker, T. Zivko, Y. B. Hsiung, K. Neichi, A. Zupanc, C. C. Zhang, E. Nakano, Antonio Limosani, T. Ferber, D. H. Lee, H. Kakuno, H. Shibuya, M. Watanabe, L. S. Peak, C. Niebuhr, O. Nitoh, K. Nishimura, Chawon Park, A. Loos, J. C. Dingfelder, M. V. Purohit, P. Goldenzweig, Rupert Leitner, V. V. Zhulanov, J. Yamaoka, Xiuwan Li, K. Senyo, S. Eidelman, L. Shang, Ihn Sik Seong, S. Sandilya, K. Ueno, M. Heck, M. J. Kim, T. Kawasaki, P. Pakhlov, W. Ostrowicz, U. Tamponi, Anton Poluektov, T. Schlüter, S. Sugihara, M. Starič, Y. Igarashi, M. Masuda, Dipanwita Dutta, A. Sugiyama, T. Kumita, M. Uchida, X. H. He, D. Cinabro, Philip Lewis, G. B. Mohanty, C. H. Li, Massimo Berger, B. H. Kim, Y. Yook, H. Yamamoto, L. K. Li, V.N. Zhilich, Y. Kato, V. Chobanova, Y. Kuroki, Satoshi Tanaka, D. Liventsev, Y. Arita, I. Jaegle, K. Miyabayashi, M. Lubej, G. Inguglia, I. Badhrees, Y. Koga, E. Nedelkovska, F. Breibeck, H. Park, J. Stypula, C. Kiesling, E. J. White, A. Bozek, P. Chang, G. S. Varner, Y.-T. Lai, K. Suzuki, P. Schonmeier, M. Iwabuchi, R. Mussa, H. B. Jeon, O. Grzymkowska, C. H. Wang, M. Grosse Perdekamp, R. Itoh, Jung-Hyun Kim, S. Wehle, T. Keck, S. Paul, L. Li Gioi, Y. Yamashita, C. Z. Yuan, Yukinori Sato, J. G. Shiu, M. Nayak, T. Bloomfield, A. Ishikawa, A. Drutskoy, S. E. Vahsen, A. Bay, C.-L. Hsu, T. Saito, S. Rummel, T. Matsuda, Yu Nakahama, M. Tanaka, T. Peng, G. Schnell, A. Rostomyan, Tsukasa Aso, P. Wang, H. Miyata, Y. Hoshi, M. Barrett, B. Bhuyan, Y.L. Han, A. Frey, H. Ye, P. Križan, T. Iijima, Jun Sasaki, H. G. Moser, M. Bračko, Y. Iwasaki, B. G. Fulsom, Peter Kodys, W. W. Jacobs, T. E. Browder, Y. J. Kwon, K. Nakamura, Ya-Qiu Jin, P. Hamer, K. Hayasaka, A. Bobrov, H. Hayashii, Hyunyong Kim, O. Schneider, K. Prasanth, M. Imamura, T. Nagamine, K. Trabelsi, P. Katrenko, T. Müller, J. Klucar, K. T. Kim, C. P. Shen, S. Di Carlo, Seok Kim, S. Okuno, B. Shwartz, Jamal Rorie, D. Getzkow, C. B. Van Hulse, I. Adachi, A. Ogawa, K. Negishi, T. Kuhr, D. Z. Besson, E. Ribežl, D. Santel, Phillip Urquijo, N. Sasao, Victoria Zhukova, V. Savinov, M. Danilov, H. Nakayama, D. Y. Kim, R. Gillard, R. Mizuk, Eberhard Widmann, J. F. Strube, Matthew Jones, M. Z. Wang, K. Kinoshita, M. Yamauchi, G. Bonvicini, Y. B. Li, Y. Teramoto, I. Tikhomirov, D. Mohapatra, J. B. Singh, A. Chen, K. Hara, S. K. Choi, Sanmay Ganguly, T. Uchida, Y. Ban, N. Zwahlen, Bruce Yabsley, L. Zhao, M. Heider, M. Rozanska, D. Kotchetkov, Y. Yusa, A. Vinokurova, S. Dubey, Rahul Kumar, J. Libby, R. Louvot, Y. Chao, G. N. Taylor, R. Glattauer, V.E. Shebalin, J. Haba, W. Bartel, S. Nishida, S. Al Said, K. Hoshina, Y. Seino, Y. Onuki, K. Vervink, Z. Drásal, Marko Petrič, M. T. Prim, K. Itagaki, Z. Q. Liu, C. Bookwalter, B. G. Cheon, H. J. Hyun, S. Uozumi, P. Smerkol, Tariq Aziz, X. L. Wang, D. Heffernan, T. Morii, C. Boulahouache, J. Hasenbusch, V. Chekelian, J. Li, V. M. Aulchenko, H. Guo, T.-A. Shibata, T. Horiguchi, Y. Ono, S. Koblitz, Seema Bahinipati, Y. Choi, H. Takeichi, K. J. Nath, S. Uno, C. Schwanda, P. Krokovny, M. T. Hedges, Samo Stanič, L.M. Zhang, E. Kurihara, A.E. Bondar, P.A. Lukin, T. Nakano, K. Dutta, A. Garmash, Daniel Greenwald, M. Takizawa, B. Reisert, Y. Sakai, J. Rauch, B. K. Pal, E. L. Barberio, M. Shapkin, Noritaka Shimizu, T. Hara, L. Santelj, J. Dalseno, Robin Wedd, K. M. Williams, V. Bansal, K. Belous, A. M. Bakich, S. Korpar, Jolanta Brodzicka, John Yelton, T. Ohshima, Z. Doležal, K. Chilikin, Y. J. Kim, N. Dash, S. Iwata, H. Ozaki, H. Nakano, C. Ng, K. H. Kang, K. Cho, K. Inami, M. Sumihama, A. Heller, M. D. Peters, Motoki Iwasaki, Y. Ushiroda, N. Taniguchi, Y. M. Goh, S. H. Lee, K. Prothmann, R. Pestotnik, N. Gabyshev, D. Červenkov, A. Abdesselam, M. Steder, M. E. Sevior, I. S. Lee, D. Matvienko, Y. Miyazaki, R. Sinha, P. K. Behera, Yasushi Nagasaka, B. Kronenbitter, Sumio Yamada, E. Kato, M. Leitgab, Tao Luo, K. Tanida, F. Tenchini, T. Sumiyoshi, A. Bala, D. Epifanov, Soumya D. Mohanty, C. Pulvermacher, Martin Ritter, Dmytro Levit, Z. Natkaniec, S. L. Blyth, T. Sanuki, Shigeki Hirose, K. K. Joo, Hirokazu Miyake, R. Seidl, Y. Guan, E. Solovieva, Norihito Muramatsu, M. Huschle, K. Sakai, Y. Watanabe, S. K. Kim, A.L. Sibidanov, H. Kichimi, M. C. Chang, K. S. Park, V. Bhardwaj, T. K. Pedlar, T. Tsuboyama, H. Palka, L. E. Piilonen, G. Pakhlova, J. Wiechczynski, R. Kulasiri, S. U. Kataoka, S. Yashchenko, A. Moll, S. L. Olsen, D. Joffe, T. Julius, Po-Hsun Chen, R. Chistov, A. Vossen, O. Seon, Frank Simon, D. Semmler, Y. Unno, K. F. Chen, R. Ayad, T. Nozaki, S. Uehara, M. N. Wagner, Peter Kvasnicka, A. B. Kaliyar, Sunmin Ryu, C. W. Park, E. Won, C. Oswald, H. Atmacan, P. Vanhoefer, E. Panzenböck, B. Golob, M. Schram, N. K. Nisar, H. K. Moon, J. S. Lange, M. Ziegler, K. Adamczyk, Y. Soloviev, W. S. Hou, K. Arinstein, Y. Mikami, Alexei Kuzmin, V. Vorobyev, Nagao Kobayashi, Y. F. Liu, C. Kleinwort, Z. P. Zhang, H. Sahoo, Tara Nanut, T. Uglov, Yoji Hasegawa, S. Y. Suzuki, Richard T. Kouzes, K. Sumisawa, D. M. Asner, S. Himori, Kevin Varvell, A. Matyja, Jason Crnkovic, T. Mori, H. Aihara, Y. Usov, Jyoti Prakash Biswal, C. Liu, H. Nakazawa, A. J. Schwartz, H. Farhat, J. B. Kim, T. Higuchi, S. Ogawa, V. Gaur, Y. S. Sohn, Ferdinando Giordano, M. Nakao, E. Waheed, S. McOnie, J. MacNaughton, and P. Kapusta

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Maximum likelihood, Electron–positron annihilation, 01 natural sciences, law.invention, Nuclear physics, KEKB, law, 0103 physical sciences, Radiative transfer, Michel parameters, Statistical analysis, 010306 general physics, Collider, Lepton
Abstract

We present the first measurement of the Michel parameters η ‾ and ξκ in the radiative leptonic decay of the τ lepton using 703 fb-1 of data collected with the Belle detector at the KEKB e + e − collider. The Michel parameters are measured by an unbinned maximum likelihood fit to the kinematic information of e + e − → τ + τ − → ( π + π 0 ν ‾ ) ( l − ν ν ‾ γ ) ( l = e or μ ) . The preliminary values of the measured Michel parameters are η ‾ = − 2.0 ± 1.5 ± 0.8 and ξ κ = 0.6 ± 0.4 ± 0.2 , where the first error is statistical and the second is systematic.

Published
2017
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30. Development of a pixel sensor with fine space-time resolution based on SOI technology for the ILC vertex detector

Author

Miho Yamada, Manabu Togawa, T. Tsuboyama, Yasuo Arai, T. Mori, Ryoji Tsuji, Shun Ono, and Kazunori Hanagaki

Subjects
010302 applied physics, Physics, Nuclear and High Energy Physics, International Linear Collider, Pixel, Physics::Instrumentation and Detectors, ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION, Analog-to-digital converter, Hardware_PERFORMANCEANDRELIABILITY, Integrated circuit, Chip, 01 natural sciences, law.invention, Computer Science::Hardware Architecture, CMOS, law, 0103 physical sciences, Hardware_INTEGRATEDCIRCUITS, Electronic engineering, Instrumentation, Image resolution, Electronic circuit
Abstract

We have been developing a new monolithic pixel sensor with silicon-on-insulator (SOI) technology for the International Linear Collider (ILC) vertex detector system. The SOI monolithic pixel detector is realized using standard CMOS circuits fabricated on a fully depleted sensor layer. The new SOI sensor SOFIST can store both the position and timing information of charged particles in each 20×20 μm 2 pixel. The position resolution is further improved by the position weighted with the charges spread to multiple pixels. The pixel also records the hit timing with an embedded time-stamp circuit. The sensor chip has column-parallel analog-to-digital conversion (ADC) circuits and zero-suppression logic for high-speed data readout. We are designing and evaluating some prototype sensor chips for optimizing and minimizing the pixel circuit.

Published
2017
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31. The Belle II Physics Book

Author

C. Niebuhr, Ulrich Nierste, I. Heredia-De La Cruz, Mikihiko Nakao, Philip Bambade, Kristine M. Smith, Concettina Sfienti, S. Bilokin, M. Iwasaki, G. Tetlalmatzi-Xolocotzi, S. Sandilya, Andreas Crivellin, M. Uchida, Melissa K. Takahashi, L. K. Li, S. Bettarini, B. G. Cheon, M. Blanke, M. Starič, Yoshinobu Unno, L. M. Cremaldi, D. van Dyk, T. Kumita, Andrey Sokolov, V. Bhardwaj, Ikaros I.Y. Bigi, J. Tan, Shuji Tanaka, G. S. Varner, M. Arndt, R. A. Briere, I. Nakamura, M. Maggiora, R. Itoh, T. Geßler, K. Nishimura, Cai-Dian Lü, Kevin Varvell, Matthias Jamin, Gil Paz, D. Cinabro, Fady Bishara, R. Giordano, M. Lubej, J. Schueler, K. Belous, S. Korpar, W. Yuan, C. Joo, G. López Castro, A. Gaz, H. Kindo, X. Zhou, Andrzej J. Buras, Mikolaj Misiak, E. Solovieva, L. E. Piilonen, B. Gobbo, P. Chang, M. Kumar, A. Rostomyan, Takuya Higuchi, A. Frey, Michael Gronau, Ian Watson, Bruce Yabsley, E. Won, James E. Fast, K. Huang, A. Morda, F. Forti, M. Mrvar, M. Ciuchini, Agnese Martini, A. K. Giri, K. Sumisawa, D. Neverov, B. G. Fulsom, G. De Pietro, Y. Guan, G. Rizzo, M. Bračko, M. Destefanis, G. Bell, P. Taras, B. Bhuyan, L. Podesta Lerma, S. Marcello, S. Gribanov, S. Jahn, V. Gaur, Michael Ritzert, Antonio Pich, M. Schram, A. Sibidanov, Dipak Kumar Sahoo, L. Zani, S. E. Vahsen, R. Mussa, Z. Was, A. Vossen, Yukinori Sato, A. Zupanc, F. Meier, M. Künzel, J. V. Bennett, A. Garmash, H. Atmacan, Satoshi Mishima, Jelena Ninkovic, Mehmet Zeyrek, W. Sutcliffe, T. J. Moon, Soumen Paul, Q. Xu, Rocky Bala Garg, Henryk Czyz, Y.-T. Lai, R. Godang, Andreas Warburton, Hitoshi Yamamoto, W. Yan, J. G. Shiu, C. L. Hsu, H. B. Jeon, H. Aihara, D. Greenwald, C. Hearty, Thorsten Feldmann, M. Tanaka, H. Miyata, U. Gebauer, T. E. Browder, Prafulla Kumar Behera, T. Iijima, O. Seon, Frank Simon, Felix Metzner, M. Greco, F. Müller, S.I. Eidelman, A. Ishikawa, Y. Usov, P. Ahlburg, Stephen Godfrey, Y. Kiyo, Zoltan Ligeti, G. Muroyama, K. Kim, Svjetlana Fajfer, Stephen Lars Olsen, D. J. Summers, C. Wessel, S. Wehle, O. Frost, P. K. Resmi, Sumio Yamada, N. Dash, Nora Brambilla, U. Tippawan, B. Scavino, F. Di Capua, Phillip Urquijo, Felix Kahlhoefer, Y. Iwasaki, B. Paschen, S. Longo, H. Ono, Pablo Roig, R. Mizuk, W. Kuehn, F. J. Tackmann, S. Rummel, P. Križan, Joachim Brod, M. De Nuccio, Javier Virto, C. S. Park, S. Y. Suzuki, X. P. Xu, H. Miyake, T. Kuhr, I. Ripp-Baudot, C. MacQueen, R. Kowalewski, D. Shih, M. Hoek, Y. J. Kwon, S. Zakharov, J. Jones, W. W. Jacobs, E. Passemar, Kohei Ogawa, D. Nomura, V. Savinov, R. J. Sobie, John Webb, W. Gradl, D. Kotchetkov, M. V. Purohit, L. Vitale, W. S. Hou, D. J. Robinson, Y. B. Li, Massimo Berger, S. Hollitt, A. Sangal, Shih-Chang Lee, Shoji Hashimoto, S. Fiore, S. Di Carlo, K. Wan, P. Branchini, Yongsun Kim, A. Rabusov, A. De Yta Hernandez, Marcel Vos, Vittorio Lubicz, Samo Stanič, A. J. Schwartz, L. Cao, P. Leitl, S. Bilmis, J. Stypula, K. Lalwani, C. Schwanda, Ayan Paul, G. Tejeda Muñoz, Xuejun Wang, R. Sinha, M. Hernandez Villanueva, S. Uehara, Makoto Tabata, Jakub Kandra, N. Rout, Jakob Schwichtenberg, E. Graziani, S. Hirose, C. Miller, H. J. Kim, A. S. Kronfeld, K. Inami, Junko Shigemitsu, Kai Schmidt-Hoberg, A. Fodor, C. Z. Yuan, S. H. Robertson, J. M. Roney, D. Cuesta, Wolfgang Altmannshofer, D. Matvienko, R. Stroili, Megumi Naruki, Jernej F. Kamenik, F. Luetticke, J. H. Yin, H. Schreeck, Florian Bernlochner, S. X. Li, B.A. Shwartz, A. Passeri, E. Prencipe, M. Gabriel, I. Yeo, R. Rasheed, Noritaka Shimizu, T. V. Dong, K. Adamczyk, F. De Fazio, M. Nayak, F. Tenchini, M. Merola, Heather E. Logan, A. Nefediev, Qiang Li, Matthew T. Bender, Ihn Sik Seong, M. Remnev, B. Gao, I. M. Peruzzi, D. Getzkow, I. Domínguez Jiménez, B. Golob, T. Lueck, D. Liventsev, A. B. Kaliyar, G. Pakhlova, T. Sumiyoshi, Janusz Rosiek, Jia-ju Zhang, Luca Silvestrini, Antonio D. Polosa, Abhisek Datta, V. Chekelian, D. Rodríguez Pérez, Vladimir Zhulanov, Christoph Bobeth, H. K. Moon, B. Spruck, Y. Jin, R. Kroeger, K. Prasanth, J. Evans, Roman Zwicky, Y. Zhang, H. Nakazawa, I. Adachi, Xuyang Gao, J. S. Lange, Y. Ushiroda, M. E. Sevior, S. Westhoff, Victoria Zhukova, V. M. Braun, N. Gabyshev, D. Červenkov, G. B. Mohanty, C. Ketter, Martin Ritter, Thomas Teubner, Dmytro Levit, P. Goldenzweig, T. D. Kimmel, G. Casarosa, N. Taniguchi, M. Z. Wang, R. Van Tonder, E. De La Cruz Burelo, Alberto Aloisio, Antonio Vairo, Y. Ban, G. De Nardo, J. F. Krohn, N. Offen, N. Anh Ky, R. Kulasiri, Y. Kato, P. Pakhlov, Jure Zupan, J. F. Strube, M. Sumihama, K. Kinoshita, U. Tamponi, Nils Braun, Tao Luo, K. Tanida, P. Wieduwilt, J. B. Kim, Y. Yusa, N. T. Hong Van, Peter Stoffer, K. Senyo, R. Cheaib, Feng-Kun Guo, Tobias Huber, A. Tayduganov, T. Yoshinobu, E. Guido, L. Li Gioi, Vladimir Popov, G. Inguglia, M. Perelló, G. Russo, N. Nellikunnummel, H. Park, A. Bozek, M. Takizawa, M. Jung, S. Levonian, S. Skambraks, A. Korobov, Z. S. Stottler, I. Jaegle, Jae-Yong Lee, J. Pradler, K. Miyabayashi, S. Baehr, B. Moussallam, A. Gellrich, L. Burmistrov, S. Cunliffe, Y. Onuki, Yi Fan Hu, X. Ji, Y. Maeda, Hidekazu Kakuno, H. Kichimi, M. C. Chang, T. Morii, M. Salehi, Rakesh Kumar, H. Y. Cheng, Z. J. Liptak, Bingran Wang, M. Khasmidatul, F. Beaujean, Ezio Torassa, J. Wiechczynski, Tariq Aziz, V. Aushev, Stephen R. Sharpe, R. Ayad, Seema Bahinipati, Yang Li, U. Stolzenberg, T. Nakano, Massimiliano Procura, K. J. Nath, Kenneth Moats, A. Loos, M. Shapkin, L. Santelj, S. Dey, T. Tsuboyama, Y. Tao, S. Schacht, A. Hershenhorn, D. Y. Kim, K. Chilikin, T. Kaneko, Y. Sakai, Abner Soffer, O. Hartbrich, S. Lacaprara, D. Epifanov, M. Barrett, H. Hayashii, Sasa Prelovsek, R. Pestotnik, B. Pal, J. Baudot, S. Bussino, Farvah Mahmoudi, Giulia Ricciardi, T. K. Pedlar, J. A. McKenna, E. Paoloni, Seongbae Yang, Yi Chen, Maya Hachiya Shimomura, Enrico Bernieri, S. Uno, Ladislav Andricek, G. Bonvicini, O. Gogota, Yu. Onishchuk, A. Vinokurova, Tobias Hurth, P. Krokovny, K. H. Kang, K. Cho, Grzegorz Nowak, A. Kokulu, T. Aushev, T. Ferber, Paul Jackson, Tomoyuki Konno, Alexander L. Kagan, D. Dossett, I. Kadenko, K. Trabelsi, J. Kahn, C. P. Shen, T. Deppisch, K. T. Kim, Gilberto Colangelo, Marcella Bona, H. Nakayama, C. Hanhart, S. Jia, Y. Shimizu, D. A. Sanders, Surajit Maity, J. B. Singh, S. K. Choi, S. Duell, N. Starinsky, Yuval Grossman, M. H. A. Nouxman, Martin Hoferichter, Silvano Simula, Junji Hisano, Alexey A. Petrov, E. Ganiev, S. Halder, A. Kuzmin, F. Abudinen, M. Yonenaga, Kim Maltman, Thomas Hauth, Elisa Manoni, T. Bilka, S. Reiter, E. De Lucia, M. Gelb, Ulrich Haisch, L. B. Rizzuto, Th. Müller, E. Waheed, H. Ye, Ryoutaro Watanabe, B. Deschamps, Claudia Cecchi, K. Hara, G. Caria, David M. Straub, Caleb Smith, Carlos Marinas, Z. Doležal, Tara Nanut, T. Uglov, A. Guo, A. Glazov, Matthew J. Dolan, C. Rosenfeld, R. M. Seddon, Martin Florian Bessner, L. Hofer, Jun Sasaki, Somnath Choudhury, E. Kou, J. Libby, D. M. Asner, K. Hayasaka, Cheng-Wei Chiang, J. W. Choi, Y. Seino, D. Besson, M. T. Prim, Takeo Kawasaki, Martin Beneke, S. Nishida, M. I. Martínez Hernández, S. Jaeger, Jochen Dingfelder, Nejc Košnik, H. M. Wakeling, Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), École normale supérieure - Lyon (ENS Lyon), Institut de Physique Nucléaire de Lyon (IPNL), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud - Paris 11 (UP11), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Belle-II, Ministerio de Ciencia, Innovación y Universidades (España), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), École normale supérieure de Lyon (ENS de Lyon), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Kou, E., Urquijo, P., Altmannshofer, W., Beaujean, F., Bell, G., Beneke, M., Bigi, I. I., Blanke, F. Bishara M., Bobeth, C., Bona, M., Brambilla, N., Braun, V. M., Brod, J., Buras, A. J., Cheng, H. Y., Chiang, C. W., Colangelo, G., Czyz, H., Datta, A., De Fazio, F., Deppisch, T., Dolan, M. J., Fajfer, S., Feldmann, T., Godfrey, S., Gronau, M., Grossman, Y., Guo, F. K., Haisch, U., Hanhart, C., Hashimoto, S., Hirose, S., Hisano, J., Hofer, L., Hoferichter, M., Hou, W. S., Huber, T., Jahn, S. Jaeger S., Jamin, M., Jones, J., Jung, M., Kagan, A. L., Kahlhoefer, F., Kamenik, J. F., Kaneko, T., Kiyo, Y., Kokulu, A., Kosnik, N., Kronfeld, A. S., Ligeti, Z., Logan, H., C. D., Lu, Lubicz, V., Mahmoudi, F., Maltman, K., Misiak, M., Mishima, S., Moats, K., Moussallam, B., Nefediev, A., Nierste, U., Nomura, D., Offen, N., Olsen, S. L., Passemar, E., Paul, A., Paz, G., Petrov, A. A., Pich, A., Polosa, A. D., Pradler, J., Prelovsek, S., Procura, M., Ricciardi, G., Robinson, D. J., Roig, P., Schacht, S., Schmidt-Hoberg, K., Schwichtenberg, J., Sharpe, S. R., Shigemitsu, J., Shimizu, N., Shimizu, Y., Silvestrini, L., Simula, S., Smith, C., Stoffer, P., Straub, D., Tackmann, F. J., Tanaka, M., Tayduganov, A., Tetlalmatzi-Xolocotzi, G., Teubner, T., Vairo, A., van Dyk, D., Virto, J., Was, Z., Watanabe, R., Watson, I., Zupan, J., Zwicky, R., Abudinen, F., Adachi, I., Adamczyk, K., Ahlburg, P., Aihara, H., Aloisio, A., Andricek, L., Anh Ky, N., Arndt, M., Asner, D. M., Atmacan, H., Aushev, T., Aushev, V., Ayad, R., Aziz, T., Baehr, S., Bahinipati, S., Bambade, P., Ban, Y., Barrett, M., Baudot, J., Behera, P., Belous, K., Bender, M., Bennett, J., Berger, M., Bernieri, E., Bernlochner, F. U., Bessner, M., Besson, D., Bettarini, S., Bhardwaj, V., Bhuyan, B., Bilka, T., Bilmis, S., Bilokin, S., Bonvicini, G., Bozek, A., Bracko, M., Branchini, P., Braun, N., Briere, R. A., Browder, T. E., Burmistrov, L., Bussino, S., Cao, L., Caria, G., Casarosa, G., Cecchi, C., Cervenkov, D., Chang, M. -C., Chang, P., Cheaib, R., Chekelian, V., Chen, Y., Cheon, B. G., Chilikin, K., Cho, K., Choi, J., Choi, S. -K., Choudhury, S., Cinabro, D., Cremaldi, L. M., Cuesta, D., Cunliffe, S., Dash, N., de la Cruz Burelo, E., De Lucia, E., De Nardo, G., De Nuccio, M., De Pietro, G., De Yta Hernandez, A., Deschamps, B., Destefanis, M., Dey, S., Di Capua, F., Di Carlo, S., Dingfelder, J., Dolezal, Z., Dominguez Jimenez, I., Dong, T. V., Dossett, D., Duell, S., Eidelman, S., Epifanov, D., Fast, J. E., Ferber, T., Fiore, S., Fodor, A., Forti, F., Frey, A., Frost, O., Fulsom, B. G., Gabriel, M., Gabyshev, N., Ganiev, E., Gao, X., Gao, B., Garg, R., Garmash, A., Gaur, V., Gaz, A., Gessler, T., Gebauer, U., Gelb, M., Gellrich, A., Getzkow, D., Giordano, R., Giri, A., Glazov, A., Gobbo, B., Godang, R., Gogota, O., Goldenzweig, P., Golob, B., Gradl, W., Graziani, E., Greco, M., Greenwald, D., Gribanov, S., Guan, Y., Guido, E., Guo, A., Halder, S., Hara, K., Hartbrich, O., Hauth, T., Hayasaka, K., Hayashii, H., Hearty, C., Heredia De La Cruz, I., Hernandez Villanueva, M., Hershenhorn, A., Higuchi, T., Hoek, M., Hollitt, S., Hong Van, N. T., Hsu, C. -L., Hu, Y., Huang, K., Iijima, T., Inami, K., Inguglia, G., Ishikawa, A., Itoh, R., Iwasaki, Y., Iwasaki, M., Jackson, P., Jacobs, W. W., Jaegle, I., Jeon, H. B., Ji, X., Jia, S., Jin, Y., Joo, C., Kuenzel, M., Kadenko, I., Kahn, J., Kakuno, H., Kaliyar, A. B., Kandra, J., Kang, K. H., Kawasaki, T., Ketter, C., Khasmidatul, M., Kichimi, H., Kim, J. B., Kim, K. T., Kim, H. J., Kim, D. Y., Kim, K., Kim, Y., Kimmel, T. D., Kindo, H., Kinoshita, K., Konno, T., Korobov, A., Korpar, S., Kotchetkov, D., Kowalewski, R., Krizan, P., Kroeger, R., Krohn, J. -F., Krokovny, P., Kuehn, W., Kuhr, T., Kulasiri, R., Kumar, M., Kumar, R., Kumita, T., Kuzmin, A., Kwon, Y. -J., Lacaprara, S., Lai, Y. -T., Lalwani, K., Lange, J. S., Lee, S. C., Lee, J. Y., Leitl, P., Levit, D., Levonian, S., Li, S., L. K., Li, Li, Y., Y. B., Li, Li, Q., Li Gioi, L., Libby, J., Liptak, Z., Liventsev, D., Longo, S., Loos, A., Lopez Castro, G., Lubej, M., Lueck, T., Luetticke, F., Luo, T., Mueller, F., Mueller, Th., Macqueen, C., Maeda, Y., Maggiora, M., Maity, S., Manoni, E., Marcello, S., Marinas, C., Martinez Hernandez, M., Martini, A., Matvienko, D., Mckenna, J. A., Meier, F., Merola, M., Metzner, F., Miller, C., Miyabayashi, K., Miyake, H., Miyata, H., Mizuk, R., Mohanty, G. B., Moon, H. K., Moon, T., Morda, A., Morii, T., Mrvar, M., Muroyama, G., Mussa, R., Nakamura, I., Nakano, T., Nakao, M., Nakayama, H., Nakazawa, H., Nanut, T., Naruki, M., Nath, K. J., Nayak, M., Nellikunnummel, N., Neverov, D., Niebuhr, C., Ninkovic, J., Nishida, S., Nishimura, K., Nouxman, M., Nowak, G., Ogawa, K., Onishchuk, Y., Ono, H., Onuki, Y., Pakhlov, P., Pakhlova, G., Pal, B., Paoloni, E., Park, H., Park, C. -S., Paschen, B., Passeri, A., Paul, S., Pedlar, T. K., Perello, M., Peruzzi, I. M., Pestotnik, R., Piilonen, L. E., Podesta Lerma, L., Popov, V., Prasanth, K., Prencipe, E., Prim, M., Purohit, M. V., Rabusov, A., Rasheed, R., Reiter, S., Remnev, M., Resmi, P. K., Ripp-Baudot, I., Ritter, M., Ritzert, M., Rizzo, G., Rizzuto, L., Robertson, S. H., Rodriguez Perez, D., Roney, J. M., Rosenfeld, C., Rostomyan, A., Rout, N., Rummel, S., Russo, G., Sahoo, D., Sakai, Y., Salehi, M., Sanders, D. A., Sandilya, S., Sangal, A., Santelj, L., Sasaki, J., Sato, Y., Savinov, V., Scavino, B., Schram, M., Schreeck, H., Schueler, J., Schwanda, C., Schwartz, A. J., Seddon, R. M., Seino, Y., Senyo, K., Seon, O., Seong, I. S., Sevior, M. E., Sfienti, C., Shapkin, M., Shen, C. P., Shimomura, M., Shiu, J. -G., Shwartz, B., Sibidanov, A., Simon, F., Singh, J. B., Sinha, R., Skambraks, S., Smith, K., Sobie, R. J., Soffer, A., Sokolov, A., Solovieva, E., Spruck, B., Stanic, S., Staric, M., Starinsky, N., Stolzenberg, U., Stottler, Z., Stroili, R., Strube, J. F., Stypula, J., Sumihama, M., Sumisawa, K., Sumiyoshi, T., Summers, D., Sutcliffe, W., Suzuki, S. Y., Tabata, M., Takahashi, M., Takizawa, M., Tamponi, U., Tan, J., Tanaka, S., Tanida, K., Taniguchi, N., Tao, Y., Taras, P., Tejeda Munoz, G., Tenchini, F., Tippawan, U., Torassa, E., Trabelsi, K., Tsuboyama, T., Uchida, M., Uehara, S., Uglov, T., Unno, Y., Uno, S., Ushiroda, Y., Usov, Y., Vahsen, S. E., van Tonder, R., Varner, G., Varvell, K. E., Vinokurova, A., Vitale, L., Vos, M., Vossen, A., Waheed, E., Wakeling, H., Wan, K., Wang, M. -Z., Wang, X. L., Wang, B., Warburton, A., Webb, J., Wehle, S., Wessel, C., Wiechczynski, J., Wieduwilt, P., Won, E., Xu, Q., Xu, X., Yabsley, B. D., Yamada, S., Yamamoto, H., Yan, W., Yang, S. B., Ye, H., Yeo, I., Yin, J. H., Yonenaga, M., Yoshinobu, T., Yuan, W., Yuan, C. Z., Yusa, Y., Zakharov, S., Zani, L., Zeyrek, M., Zhang, J., Zhang, Y., Zhou, X., Zhukova, V., Zhulanov, V., Zupanc, A., DE NARDO, Guglielmo, Kou, E, Urquijo, P, Altmannshofer, W, Beaujean, F, Bell, G, Beneke, M, Bigi, I I, Bishara, F, Blanke, M, Bobeth, C, Bona, M, Brambilla, N, Braun, V M, Brod, J, Buras, A J, Cheng, H Y, Chiang, C W, Ciuchini, M, Colangelo, G, Crivellin, A, Czyz, H, Datta, A, De Fazio, F, Deppisch, T, Dolan, M J, Evans, J, Fajfer, S, Feldmann, T, Godfrey, S, Gronau, M, Grossman, Y, Guo, F K, Haisch, U, Hanhart, C, Hashimoto, S, Hirose, S, Hisano, J, Hofer, L, Hoferichter, M, Hou, W S, Huber, T, Hurth, T, Jaeger, S, Jahn, S, Jamin, M, Jones, J, Jung, M, Kagan, A L, Kahlhoefer, F, Kamenik, J F, Kaneko, T, Kiyo, Y, Kokulu, A, Kosnik, N, Kronfeld, A S, Ligeti, Z, Logan, H, Lu, C D, Lubicz, V, Mahmoudi, F, Maltman, K, Mishima, S, Misiak, M, Moats, K, Moussallam, B, Nefediev, A, Nierste, U, Nomura, D, Offen, N, Olsen, S L, Passemar, E, Paul, A, Paz, G, Petrov, A A, Pich, A, Polosa, A D, Pradler, J, Prelovsek, S, Procura, M, Ricciardi, G, Robinson, D J, Roig, P, Rosiek, J, Schacht, S, Schmidt-Hoberg, K, Schwichtenberg, J, Sharpe, S R, Shigemitsu, J, Shih, D, Shimizu, N, Shimizu, Y, Silvestrini, L, Simula, S, Smith, C, Stoffer, P, Straub, D, Tackmann, F J, Tanaka, M, Tayduganov, A, Tetlalmatzi-Xolocotzi, G, Teubner, T, Vairo, A, van Dyk, D, Virto, J, Was, Z, Watanabe, R, Watson, I, Westhoff, S, Zupan, J, Zwicky, R, Abudinén, F, Adachi, I, Adamczyk, K, Ahlburg, P, Aihara, H, Aloisio, A, Andricek, L, Anh Ky, N, Arndt, M, Asner, D M, Atmacan, H, Aushev, T, Aushev, V, Ayad, R, Aziz, T, Baehr, S, Bahinipati, S, Bambade, P, Ban, Y, Barrett, M, Baudot, J, Behera, P, Belous, K, Bender, M, Bennett, J, Berger, M, Bernieri, E, Bernlochner, F U, Bessner, M, Besson, D, Bettarini, S, Bhardwaj, V, Bhuyan, B, Bilka, T, Bilmis, S, Bilokin, S, Bonvicini, G, Bozek, A, Bračko, M, Branchini, P, Braun, N, Briere, R A, Browder, T E, Burmistrov, L, Bussino, S, Cao, L, Caria, G, Casarosa, G, Cecchi, C, Červenkov, D, Chang, M-C, Chang, P, Cheaib, R, Chekelian, V, Chen, Y, Cheon, B G, Chilikin, K, Cho, K, Choi, J, Choi, S-K, Choudhury, S, Cinabro, D, Cremaldi, L M, Cuesta, D, Cunliffe, S, Dash, N, de la Cruz Burelo, E, de Lucia, E, De Nardo, G, De Nuccio, M, De Pietro, G, De Yta Hernandez, A, Deschamps, B, Destefanis, M, Dey, S, Di Capua, F, Di Carlo, S, Dingfelder, J, Doležal, Z, Domínguez Jiménez, I, Dong, T V, Dossett, D, Duell, S, Eidelman, S, Epifanov, D, Fast, J E, Ferber, T, Fiore, S, Fodor, A, Forti, F, Frey, A, Frost, O, Fulsom, B G, Gabriel, M, Gabyshev, N, Ganiev, E, Gao, X, Gao, B, Garg, R, Garmash, A, Gaur, V, Gaz, A, Geßler, T, Gebauer, U, Gelb, M, Gellrich, A, Getzkow, D, Giordano, R, Giri, A, Glazov, A, Gobbo, B, Godang, R, Gogota, O, Goldenzweig, P, Golob, B, Gradl, W, Graziani, E, Greco, M, Greenwald, D, Gribanov, S, Guan, Y, Guido, E, Guo, A, Halder, S, Hara, K, Hartbrich, O, Hauth, T, Hayasaka, K, Hayashii, H, Hearty, C, Heredia De La Cruz, I, Hernandez Villanueva, M, Hershenhorn, A, Higuchi, T, Hoek, M, Hollitt, S, Hong Van, N T, Hsu, C-L, Hu, Y, Huang, K, Iijima, T, Inami, K, Inguglia, G, Ishikawa, A, Itoh, R, Iwasaki, Y, Iwasaki, M, Jackson, P, Jacobs, W W, Jaegle, I, Jeon, H B, Ji, X, Jia, S, Jin, Y, Joo, C, Künzel, M, Kadenko, I, Kahn, J, Kakuno, H, Kaliyar, A B, Kandra, J, Kang, K H, Kato, Y, Kawasaki, T, Ketter, C, Khasmidatul, M, Kichimi, H, Kim, J B, Kim, K T, Kim, H J, Kim, D Y, Kim, K, Kim, Y, Kimmel, T D, Kindo, H, Kinoshita, K, Konno, T, Korobov, A, Korpar, S, Kotchetkov, D, Kowalewski, R, Križan, P, Kroeger, R, Krohn, J-F, Krokovny, P, Kuehn, W, Kuhr, T, Kulasiri, R, Kumar, M, Kumar, R, Kumita, T, Kuzmin, A, Kwon, Y-J, Lacaprara, S, Lai, Y-T, Lalwani, K, Lange, J S, Lee, S C, Lee, J Y, Leitl, P, Levit, D, Levonian, S, Li, S, Li, L K, Li, Y, Li, Y B, Li, Q, Li Gioi, L, Libby, J, Liptak, Z, Liventsev, D, Longo, S, Loos, A, Lopez Castro, G, Lubej, M, Lueck, T, Luetticke, F, Luo, T, Müller, F, Müller, Th, Macqueen, C, Maeda, Y, Maggiora, M, Maity, S, Manoni, E, Marcello, S, Marinas, C, Martinez Hernandez, M, Martini, A, Matvienko, D, Mckenna, J A, Meier, F, Merola, M, Metzner, F, Miller, C, Miyabayashi, K, Miyake, H, Miyata, H, Mizuk, R, Mohanty, G B, Moon, H K, Moon, T, Morda, A, Morii, T, Mrvar, M, Muroyama, G, Mussa, R, Nakamura, I, Nakano, T, Nakao, M, Nakayama, H, Nakazawa, H, Nanut, T, Naruki, M, Nath, K J, Nayak, M, Nellikunnummel, N, Neverov, D, Niebuhr, C, Ninkovic, J, Nishida, S, Nishimura, K, Nouxman, M, Nowak, G, Ogawa, K, Onishchuk, Y, Ono, H, Onuki, Y, Pakhlov, P, Pakhlova, G, Pal, B, Paoloni, E, Park, H, Park, C-S, Paschen, B, Passeri, A, Paul, S, Pedlar, T K, Perelló, M, Peruzzi, I M, Pestotnik, R, Piilonen, L E, Podesta Lerma, L, Popov, V, Prasanth, K, Prencipe, E, Prim, M, Purohit, M V, Rabusov, A, Rasheed, R, Reiter, S, Remnev, M, Resmi, P K, Ripp-Baudot, I, Ritter, M, Ritzert, M, Rizzo, G, Rizzuto, L, Robertson, S H, Rodriguez Perez, D, Roney, J M, Rosenfeld, C, Rostomyan, A, Rout, N, Rummel, S, Russo, G, Sahoo, D, Sakai, Y, Salehi, M, Sanders, D A, Sandilya, S, Sangal, A, Santelj, L, Sasaki, J, Sato, Y, Savinov, V, Scavino, B, Schram, M, Schreeck, H, Schueler, J, Schwanda, C, Schwartz, A J, Seddon, R M, Seino, Y, Senyo, K, Seon, O, Seong, I S, Sevior, M E, Sfienti, C, Shapkin, M, Shen, C P, Shimomura, M, Shiu, J-G, Shwartz, B, Sibidanov, A, Simon, F, Singh, J B, Sinha, R, Skambraks, S, Smith, K, Sobie, R J, Soffer, A, Sokolov, A, Solovieva, E, Spruck, B, Stanič, S, Starič, M, Starinsky, N, Stolzenberg, U, Stottler, Z, Stroili, R, Strube, J F, Stypula, J, Sumihama, M, Sumisawa, K, Sumiyoshi, T, Summers, D, Sutcliffe, W, Suzuki, S Y, Tabata, M, Takahashi, M, Takizawa, M, Tamponi, U, Tan, J, Tanaka, S, Tanida, K, Taniguchi, N, Tao, Y, Taras, P, Tejeda Munoz, G, Tenchini, F, Tippawan, U, Torassa, E, Trabelsi, K, Tsuboyama, T, Uchida, M, Uehara, S, Uglov, T, Unno, Y, Uno, S, Ushiroda, Y, Usov, Y, Vahsen, S E, van Tonder, R, Varner, G, Varvell, K E, Vinokurova, A, Vitale, L, Vos, M, Vossen, A, Waheed, E, Wakeling, H, Wan, K, Wang, M-Z, Wang, X L, Wang, B, Warburton, A, Webb, J, Wehle, S, Wessel, C, Wiechczynski, J, Wieduwilt, P, Won, E, Xu, Q, Xu, X, Yabsley, B D, Yamada, S, Yamamoto, H, Yan, W, Yang, S B, Ye, H, Yeo, I, Yin, J H, Yonenaga, M, Yoshinobu, T, Yuan, W, Yuan, C Z, Yusa, Y, Zakharov, S, Zani, L, Zeyrek, M, Zhang, J, Zhang, Y, Zhou, X, Zhukova, V, Zhulanov, V, Zupanc, A, Bishara, F., Blanke, M., Ciuchini, M., Crivellin, A., Evans, J., Hurth, T., Jaeger, S., Jahn, S., Lu, C. D., Rosiek, J., Shih, D., Westhoff, S., Kato, Y., Li, L. K., and Li, Y. B.

Subjects
B: semileptonic decay, Physics beyond the Standard Model, Hadron, electroproduction [charmonium], General Physics and Astronomy, ComputingMilieux_LEGALASPECTSOFCOMPUTING, B: radiative decay, annihilation [electron positron], 7. Clean energy, 01 natural sciences, charmonium: electroproduction, B physics, High Energy Physics - Experiment, law.invention, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), Z', law, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Charm (quantum number), dark sector searches, Physics, lifetime, radiative decay [B], doublet [Higgs particle], new physics, High Energy Physics - Lattice (hep-lat), ddc:530, Electroweak interaction, lepton: flavor: violation, hep-ph, Particle Physics - Lattice, Monte Carlo [numerical calculations], electron positron: colliding beams, Quarkonium, asymmetry: CP, quarkonium physics, electroweak interaction: penguin, High Energy Physics - Phenomenology, Improved performance, colliding beams [electron positron], CP violation, interface, electroproduction [quarkonium], electroweak precision measurements, numerical calculations: Monte Carlo, physics, Particle Physics - Experiment, performance, Particle physics, flavor: violation [lepton], review, hep-lat, FOS: Physical sciences, BELLE, High Energy Physics - Lattice, electron positron: annihilation, quarkonium: electroproduction, CP [asymmetry], E(6), Higgs particle: doublet, mixing [D0 anti-D0], Theoretical physics, CP: violation: time dependence, KEK-B, 0103 physical sciences, quantum chromodynamics, hidden sector [photon], composite, 010306 general physics, Collider, Particle Physics - Phenomenology, photon: hidden sector, hep-ex, 010308 nuclear & particles physics, [PHYS.HLAT]Physics [physics]/High Energy Physics - Lattice [hep-lat], C50 Other topics in experimental particle physics, violation: time dependence [CP], D0 anti-D0: mixing, B2TiP, 530 Physik, Experimental physics, B: leptonic decay, CKM matrix, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], penguin [electroweak interaction], leptonic decay [B], semileptonic decay [B], charm, particle identification, experimental results
Abstract

cd. autorów: L. Cao48,‡, G. Caria145,‡, G. Casarosa57,‡, C. Cecchi56,‡,D. Cˇ ervenkov10,‡,M.-C. Chang22,‡, P. Chang92,‡, R. Cheaib146,‡, V. Chekelian83,‡, Y. Chen154,‡, B. G. Cheon28,‡, K. Chilikin77,‡, K. Cho70,‡, J. Choi14,‡, S.-K. Choi27,‡, S. Choudhury35,‡, D. Cinabro170,‡, L. M. Cremaldi146,‡, D. Cuesta47,‡, S. Cunliffe16,‡, N. Dash33,‡, E. de la Cruz Burelo9,‡, E. de Lucia52,‡, G. De Nardo54,‡, †Editor. ‡Belle II Collaborator. §Theory or external contributing author. M. De Nuccio16,‡, G. De Pietro59,‡, A. De Yta Hernandez9,‡, B. Deschamps129,‡, M. Destefanis60,‡, S. Dey116,‡, F.Di Capua54,‡, S.Di Carlo75,‡, J. Dingfelder129,‡, Z. Doležal10,‡, I. Domínguez Jiménez125,‡, T.V. Dong30,26,‡, D. Dossett145,‡, S. Duell129,‡, S. Eidelman6,96,77,‡, D. Epifanov6,96,‡, J. E. Fast100,‡, T. Ferber16,‡, S. Fiore18,‡, A. Fodor85,‡, F. Forti57,‡, A. Frey24,‡, O. Frost16,‡, B. G. Fulsom100,‡, M. Gabriel83,‡, N. Gabyshev6,96,‡, E. Ganiev61,‡, X. Gao3,‡, B. Gao23,‡, R. Garg101,‡, A. Garmash6,96,‡, V. Gaur169,‡, A. Gaz90,‡, T. Geßler65,‡, U. Gebauer24,‡, M. Gelb48,‡, A. Gellrich16,‡, D. Getzkow65,‡, R. Giordano54,‡, A. Giri35,‡, A. Glazov16,‡, B. Gobbo61,‡, R. Godang157,‡, O. Gogota110,‡, P. Goldenzweig48,‡, B. Golob141,109,‡,W. Gradl63,‡, E. Graziani59,‡, M. Greco60,‡, D. Greenwald114,‡, S. Gribanov6,96,‡, Y. Guan17,‡, E. Guido60,‡, A. Guo41,‡, S. Halder111,‡, K. Hara30,26,‡, O. Hartbrich138,‡, T. Hauth48,‡, K. Hayasaka94,‡, H. Hayashii91,‡, C. Hearty130,‡, I. Heredia De La Cruz9,‡, M. Hernandez Villanueva9,‡, A. Hershenhorn130,‡, T. Higuchi66,‡,M. Hoek63,‡, S. Hollitt124,‡, N. T. HongVan44,‡, C.-L. Hsu160,‡, Y. Hu41,‡, K. Huang92,‡, T. Iijima89,90,‡, K. Inami90,‡, G. Inguglia40,‡,A. Ishikawa119,‡, R. Itoh30,26,‡, Y. Iwasaki30,‡, M. Iwasaki97,‡, P. Jackson124,‡, W. W. Jacobs37,‡, I. Jaegle137,‡, H. B. Jeon73,‡, X. Ji41,‡, S. Jia3,‡,Y. Jin162,‡, C. Joo66,‡,M. Künzel16,‡, I. Kadenko110,‡, J. Kahn78,‡, H. Kakuno121,‡, A. B. Kaliyar36,‡, J. Kandra10,‡, K. H. Kang73,‡, Y. Kato90,‡, T. Kawasaki68,‡, C. Ketter138,‡, M. Khasmidatul143,‡, H. Kichimi30,‡, J. B. Kim71,‡, K. T. Kim71,‡, H. J. Kim73,‡, D.Y. Kim108,‡, K. Kim172,‡, Y. Kim172,‡, T. D. Kimmel169,‡, H. Kindo30,26,‡, K. Kinoshita135,‡, T. Konno68,‡, A. Korobov6,96,‡, S. Korpar144,109,‡, D. Kotchetkov138,‡, R. Kowalewski165,‡, P. Križan141,109,‡, R. Kroeger146,‡, J.-F. Krohn145,‡, P. Krokovny6,96,‡, W. Kuehn65,‡, T. Kuhr78,‡, R. Kulasiri67,‡, M. Kumar81,‡, R. Kumar101,‡, T. Kumita121,‡, A. Kuzmin6,96,‡, Y.-J. Kwon172,‡, S. Lacaprara55,‡, Y.-T. Lai30,‡, K. Lalwani81,‡, J. S. Lange65,‡, S. C. Lee73,‡, J.Y. Lee106,‡, P. Leitl83,‡, D. Levit114,‡, S. Levonian16,‡, S. Li3,‡, L. K. Li41,‡, Y. Li41,‡,Y. B. Li103,‡, Q. Li103,‡, L. Li Gioi83,‡, J. Libby36,‡, Z. Liptak138,‡, D. Liventsev169,‡, S. Longo165,‡, A. Loos158,‡, G. Lopez Castro9,‡, M. Lubej109,‡, T. Lueck57,‡, F. Luetticke129,‡, T. Luo23,‡, F. Müller16,‡, Th. Müller48,‡, C. MacQueen145,‡, Y. Maeda90,‡, M. Maggiora60,‡, S. Maity33,‡, E. Manoni56,‡, S. Marcello60,‡, C. Marinas129,‡, M. Martinez Hernandez4,‡, A. Martini59,‡, D. Matvienko6,96,77,‡, J. A. McKenna130,‡, F. Meier160,‡, M. Merola54,‡, F. Metzner48,‡, C. Miller165,‡, K. Miyabayashi91,‡, H. Miyake30,26,‡, H. Miyata94,‡, R. Mizuk77,88,87,‡, G. B. Mohanty111,163,‡, H. K. Moon71,‡, T. Moon106,‡,A. Morda55,‡, T. Morii66,‡, M. Mrvar109,‡, G. Muroyama90,‡, R. Mussa60,‡, I. Nakamura30,26,‡, T. Nakano99,‡, M. Nakao30,26,‡, H. Nakayama30,26,‡, H. Nakazawa92,‡, T. Nanut109,‡, M. Naruki72,‡, K. J. Nath34,‡, M. Nayak116,‡, N. Nellikunnummel151,‡, D. Neverov90,‡, C. Niebuhr16,‡, J. Ninkovic84,‡, S. Nishida30,26,‡, K. Nishimura138,‡, M. Nouxman143,‡, G. Nowak93,‡, K. Ogawa94,‡, Y. Onishchuk110,‡, H. Ono94,‡, Y. Onuki162,‡, P. Pakhlov77,88,‡, G. Pakhlova87,‡, B. Pal5,‡, E. Paoloni57,‡, H. Park73,‡, C.-S. Park172,‡, B. Paschen129,‡, A. Passeri59,‡, S. Paul114,‡, T. K. Pedlar80,‡, M. Perelló46,‡, I. M. Peruzzi52,‡, R. Pestotnik109,‡, L. E. Piilonen169,‡, L. Podesta Lerma125,‡, V. Popov87,‡, K. Prasanth111,‡, E. Prencipe21,‡, M. Prim48,‡, M. V. Purohit158,‡, A. Rabusov114,‡, R. Rasheed47,‡, S. Reiter65,‡, M. Remnev6,96,‡, P. K. Resmi36,‡, I. Ripp-Baudot47,‡, M. Ritter78,‡, M. Ritzert139,‡, G. Rizzo57,‡, L. Rizzuto141,109,‡, S. H. Robertson85,‡, D. Rodriguez Perez125,‡, J. M. Roney165,‡, C. Rosenfeld158,‡, A. Rostomyan16,‡, N. Rout36,‡, S. Rummel78,‡, G. Russo54,‡, D. Sahoo111,‡, Y. Sakai30,26,‡, M. Salehi143,78,‡, D. A. Sanders146,‡, S. Sandilya135,‡, A. Sangal135,‡, L. Santelj47,‡, J. Sasaki162,‡, Y. Sato30,‡, V. Savinov151,‡, B. Scavino63,‡, M. Schram100,‡, H. Schreeck24,‡, J. Schueler138,‡,C. Schwanda40,‡,A. J. Schwartz135,‡,R.M. Seddon85,‡,Y. Seino94,‡, K. Senyo171,‡, O. Seon90,‡, I. S. Seong138,‡, M. E. Sevior145,‡, C. Sfienti63,‡, M. Shapkin38,‡, C. P. Shen3,‡,M. Shimomura91,‡, J.-G. Shiu92,‡, B. Shwartz6,96,‡,A. Sibidanov165,‡, F. Simon83,113,‡, J. B. Singh101,‡, R. Sinha42,‡, S. Skambraks83,‡, K. Smith145,‡, R. J. Sobie165,‡, A. Soffer116,‡, A. Sokolov38,‡, E. Solovieva77,87,‡, B. Spruck63,‡, S. Staniˇc149,‡, M. Stariˇc109,‡, N. Starinsky147,‡, U. Stolzenberg24,‡, Z. Stottler169,‡, R. Stroili55,‡, J. F. Strube100,‡, J. Stypula93,‡, M. Sumihama25,‡, K. Sumisawa30,26,‡, T. Sumiyoshi121,‡, D. Summers146,‡, W. Sutcliffe48,‡, S. Y. Suzuki30,26,‡, M. Tabata13,‡, M. Takahashi16,‡, M. Takizawa107,‡, U. Tamponi60,‡, J. Tan145,‡, S. Tanaka30,26,‡, K. Tanida2,‡, N. Taniguchi30,‡, Y. Tao137,‡, P. Taras147,‡, G. Tejeda Munoz4,‡, F. Tenchini16,‡, U. Tippawan12,‡, E. Torassa55,‡, K. Trabelsi30,26,‡, T. Tsuboyama30,26,‡, M. Uchida120,‡, S. Uehara30,26,‡, T. Uglov77,87,‡, Y. Unno28,‡, S. Uno30,26,‡, Y. Ushiroda30,26,162,‡, Y. Usov6,96,‡, S. E. Vahsen138,‡, R. van Tonder48,‡, G. Varner138,‡, K. E. Varvell160,‡, A. Vinokurova6,96,‡, L.Vitale61,‡,M.Vos46,‡,A.Vossen17,‡,E.Waheed145,‡,H.Wakeling85,‡,K.Wan162,‡, M.-Z.Wang92,‡, X. L. Wang23,‡, B. Wang135,‡, A. Warburton85,‡, J. Webb145,‡, S. Wehle16,‡, C. Wessel129,‡, J. Wiechczynski93,‡, P. Wieduwilt24,‡, E. Won71,‡, Q. Xu41,‡, X. Xu41,‡, B. D. Yabsley160,‡, S. Yamada30,‡, H. Yamamoto119,‡, W. Yan3,‡, W. Yan154,‡, S. B. Yang71,‡, H. Ye16,‡, I. Yeo70,‡, J. H. Yin41,‡, M. Yonenaga121,‡, T. Yoshinobu94,‡, W. Yuan55,‡, C. Z. Yuan41,‡, Y. Yusa94,‡, S. Zakharov77,87,‡, L. Zani57,‡, M. Zeyrek86,‡, J. Zhang41,‡,Y. Zhang23,‡,Y. Zhang154,‡, X. Zhou3,‡, V. Zhukova77,‡, V. Zhulanov6,96,‡, and A. Zupanc141,109,‡ †Editor. ‡Belle II Collaborator. §Theory or external contributing author., "The Belle II Theory Interface Platform (B2TiP) was created as a physics prospects working group of the Belle II collaboration in June 2014. It offered a platform where theorists and experimentalists could work together to elucidate the potential impacts of the Belle II program, which includes a wide scope of physics topics: B physics, charm, τ , quarkonium physics, electroweak precision measurements, and dark sector searches. It is composed of nine working groups (WGs), which 6/654 Downloaded from https://academic.oup.com/ptep/article-abstract/2019/12/123C01/5685006 by Uniwersytet Slaski Biblioteka Glowna user on 20 February 2020 PTEP 2019, 123C01 E. Kou et al. are coordinated by teams of theory and experiment conveners: WG1, Semileptonic and leptonic B Decays; WG2, Radiative and Electroweak Penguins; WG3, φ1 and φ2 (Time-Dependent CP Violation) Measurements; WG4, φ3 Measurement; WG5, Charmless Hadronic B Decay; WG6, Charm; WG7, Quarkonium(-like); WG8, τ and Low-Multiplicity Processes; WG9, New Physics. We organized workshops twice a year from 2014 until 2016, which moved from KEK in Japan to Europe and the Americas, gathering experts in the respective fields for discussions with Belle II members. One of the goals for B2TiP was to propose so-called “golden and silver channels”: we asked each working group to choose, among numerous possible measurements, those that would have the highest potential impact and to focus on them for the writeup. Theorists scrutinized the role of those measurements in terms of understanding the theory behind them, and estimated the theoretical uncertainties now achievable as well as prospects for the future. For flavor physics, having tight control of hadronic uncertainties is one of the most crucial aspects in the field, and this is considered an important criterion in determining the golden or silver channels. Experimentalists, on the other hand, investigated the expected improvements with data from Belle II. For the channels where the errors are dominated by statistical uncertainties, or where systematic errors are reducible, the errors can decrease rapidly as more data becomes available. The impact of the upgraded performance from Belle II is a crucial element in reducing the uncertainties: we therefore include the latest available studies of the detector efficiency using Monte Carlo simulated events.We list the golden and silver channel table in the introductory chapter, as a guide for the chapters that follow. This book is not a collection of reports based on talks given at the workshops. The working group conveners endeavored to construct a coherent document that can be used by Belle II collaborators, and others in the field of flavor physics, as a reference. Two books of a similar type have been produced in the past: The BaBar Book [1] and The Physics of the B Factories [2]. In order to avoid too much repetition with respect to those references, we refer to them wherever possible for introductory material. We would like to thank the section editors and contributing authors for the many stimulating discussions and their tremendous efforts in bringing the book together." (Preface)

Published
2019
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32. Performance of the Belle II SVD

Author

K. Lalwani, H. Aihara, T. Aziz, S. Bacher, S. Bahinipati, E. Barberio, T. Baroncelli, A. K. Basith, G. Batignani, A. Bauer, P. K. Behera, V. Bertacchi, S. Bettarini, B. Bhuyan, T. Bilka, F. Bosi, L. Bosisio, A. Bozek, F. Buchsteiner, G. Caria, G. Casarosa, M. Ceccanti, D. Červenkov, T. Czank, N. Dash, M. De Nuccio, Z. Doležal, F. Forti, M. Friedl, B. Gobbo, J. A. M. Grimaldo, K. Hara, T. Higuchi, C. Irmler, A. Ishikawa, H. B. Jeon, C. Joo, M. Kaleta, J. Kandra, N. Kambara, K. H. Kang, P. Kodyš, T. Kohriki, S. Koike, I. Komarov, M. Kumar, R. Kumar, W. Kun, P. Kvasnička, C. La Licata, L. Lanceri, J. Y. Lee, S. C. Lee, J. Libby, T. Lueck, P. Mammini, A. Martini, S. N. Mayekar, G. B. Mohanty, T. Morii, K. R. Nakamura, Z. Natkaniec, Y. Onuki, W. Ostrowicz, A. Paladino, E. Paoloni, H. Park, K. Prasanth, A. Profeti, I. Rashevskaya, K. K. Rao, G. Rizzo, P. K. Resmi, M. Rozanska, D. Sahoo, J. Sasaki, N. Sato, S. Schultschik, C. Schwanda, J. Stypula, J. Suzuki, S. Tanaka, H. Tanigawa, G. N. Taylor, R. Thalmeier, T. Tsuboyama, P. Urquijo, L. Vitale, S. Watanuki, M. Watanabe, I. J. Watson, J. Webb, J. Wiechczynski, S. Williams, H. Yin, and L. Zani

Subjects
Physics, Particle physics, Luminosity (scattering theory), Physics::Instrumentation and Detectors, vertex detector, Phase (waves), Quantum Physics, Supersymmetry, Computer Science::Computational Geometry, Collision, Luminance, Silicon vertex detector, silicon vertex detector, Test beam, Singular value decomposition, Belle II, High Energy Physics::Experiment, silicon detector
Abstract

The Belle II at SuperKEKB will accumulate e+e- collision data at an unprecedented instantaneous luminosity of 8 X 1035, cm−2 s−1, about 40 times larger than its predecessor (Belle). Such a dramatic increase in luminosity will result in a harsh background environment in Belle II. In this paper, we present the detailed performance studies of the Belle II silicon vertex detector with test beam data and Phase II data.

Published
2019

33. The Belle II silicon vertex detector: assembly and initial results

Author

To. Baroncelli, M. Kaleta, M. Ceccanti, Keigo Hara, N. Sato, N. Kambara, S. Bettarini, Y. Onuki, W. Kun, B. Bhuyan, Prafulla Kumar Behera, C. La Licata, E. L. Barberio, G. Batignani, J. Stypula, C. W. Joo, Satoshi Tanaka, I. J. Watson, A. Bauer, Shih-Chang Lee, F. Forti, P. K. Resmi, Z. Doležal, Giulia Casarosa, S. Koike, Ti. Baroncelli, Jae-Young Lee, Takeo Higuchi, J. Libby, Christian Irmler, Peter Kodys, N. Dash, T. Kohriki, Phillip Urquijo, M. De Nuccio, A. K. Basith, M. Rozanska, G. Caria, F. Buchsteiner, W. Ostrowicz, Markus Friedl, K. Prasanth, J.A.M. Grimaldo, H. Aihara, K. K. Rao, Shoichi Watanuki, K. Nakamura, S. Bacher, Jakub Kandra, M. Kumar, H. Park, A. Bozek, L. Bosisio, T. Lueck, Steven Williams, Jun Sasaki, V. Bertacchi, R. Thalmeier, B. Gobbo, K. Lalwani, C. Schwanda, S. N. Mayekar, L. Lanceri, P. Mammini, T. Tsuboyama, H. Yin, Z. Natkaniec, J. Wiechczynski, Tariq Aziz, Filippo Bosi, T. Bilka, M. Watanabe, John Webb, L. Vitale, T. Morii, G. Rizzo, Seema Bahinipati, A. Martini, D. Červenkov, E. Paoloni, Peter Kvasnicka, S. Schultschik, Dipak Kumar Sahoo, L. Zani, Ilya Komarov, Gagan Bihari Mohanty, Rakesh Kumar, K. H. Kang, A. Paladino, J. Suzuki, I. Rashevskaya, A. Profeti, T. Czank, H. Tanigawa, G. N. Taylor, H. B. Jeon, A. Ishikawa, Thalmeier, R., Casarosa, G., Schwanda, C., Aihara, H., Aziz, T., Bacher, S., Bahinipati, S., Barberio, E., Baroncelli, Ti., Baroncelli, To., Basith, A. K., Batignani, G., Bauer, A., Behera, P. K., Bertacchi, V., Bettarini, S., Bhuyan, B., Bilka, T., Bosi, F., Bosisio, L., Bozek, A., Buchsteiner, F., Caria, G., Ceccanti, M., Červenkov, D., Czank, T., Dash, N., De Nuccio, M., Doležal, Z., Forti, F., Friedl, M., Gobbo, B., Grimaldo, J. A. M., Hara, K., Higuchi, T., Irmler, C., Ishikawa, A., Jeon, H. B., Joo, C., Kaleta, M., Kandra, J., Kambara, N., Kang, K. H., Kodyš, P., Kohriki, T., Koike, S., Komarov, I., Kumar, M., Kumar, R., Kun, W., Kvasnička, P., La Licata, C., Lalwani, K., Lanceri, L., Lee, J. Y., Lee, S. C., Libby, J., Lueck, T., Mammini, P., Martini, A., Mayekar, S. N., Mohanty, G. B., Morii, T., Nakamura, K. R., Natkaniec, Z., Onuki, Y., Ostrowicz, W., Paladino, A., Paoloni, E., Park, H., Prasanth, K., Profeti, A., Rashevskaya, I., Rao, K. K., Rizzo, G., Resmi, P. K., Rozanska, M., Sahoo, D., Sasaki, J., Sato, N., Schultschik, S., Stypula, J., Suzuki, J., Tanaka, S., Tanigawa, H., Taylor, G. N., Tsuboyama, T., Urquijo, P., Vitale, L., Watanuki, S., Watanabe, M., Watson, I. J., Webb, J., Wiechczynski, J., Williams, S., Yin, H., and Zani, L.

Subjects
assembly, Nuclear and High Energy Physics, Physics::Instrumentation and Detectors, Instrumentation, Assembly, ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION, Phase (waves), STRIPS, Capacitance, law.invention, Optics, first results, silicon vertex detector, law, First results, Silicon vertex detector, Nuclear and High Energy Physic, Physics, One half, business.industry, Noise (signal processing), Detector, Radio propagation, First result, High Energy Physics::Experiment, business
Abstract

The “chip-on-sensor” concept of this detector minimizes the distance of the signal propagation from the double-sided silicon detector strips to the readout chips and thus reduces noise from strip capacitance. One half of the detector is built, the second half is being assembled at the time of writing. Prototypes have been tested in several test beams as well as in the so-called Phase 2 setup inside the detector structure. First results from a commissioning run of the Belle-II prototype SVD detector are presented. The measured signal-to-noise and timing performance are found to be according to design specifications.

Published
2019

34. Compensation for radiation damage of SOI pixel detector via tunneling

Author

Y. Fujita, M. Yamada, R. Nishimura, K. Tauchi, Yoichi Ikegami, Yasuo Arai, Toshinobu Miyoshi, Ryutaro Hamasaki, Ikuo Kurachi, and T. Tsuboyama

Subjects
010302 applied physics, Physics, Nuclear and High Energy Physics, Physics - Instrumentation and Detectors, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, business.industry, Detector, FOS: Physical sciences, Silicon on insulator, High voltage, Instrumentation and Detectors (physics.ins-det), Electron, Radiation, Condensed Matter::Mesoscopic Systems and Quantum Hall Effect, 01 natural sciences, Threshold voltage, 0103 physical sciences, MOSFET, Optoelectronics, business, Instrumentation, Quantum tunnelling
Abstract

We are developing monolithic pixel detectors based on SOI technology for high energy physics, X-ray applications and so on.To employ SOI pixel detector on such radiation environments, we have to solve effects of total ionizing dose (TID) for transistors which are enclosed in oxide layer.The holes which are generated and trapped in the oxide layers after irradiation affect characteristics of near-by transistors due to its positive electric field.Annealing and radiation of ultraviolet are not realistic to remove trapped holes for a fabricated detector due to thermal resistance of components and difficulty of handling. We studied compensation of TID effects by tunneling using a high-voltage. For decrease of trapped holes, applied high-voltage to buried p-well which is under oxide layer to inject the electrons into the oxide layer.In this report, recent progress of this study is shown., 10 pages, 14 figures, Proceedings of International Workshop on SOI Pixel Detector (SOIPIX2015), Tohoku University, Sendai, Japan, 3-6, June, 2015. C15-06-03

Published
2016
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35. Publisher’s Note: Search for B→hνν¯ decays with semileptonic tagging at Belle [Phys. Rev. D 96 , 091101(R) (2017)]

Author

G. Pakhlova, R. Kulasiri, Hirokazu Miyake, T. Julius, R. Chistov, F. Tenchini, T. Sumiyoshi, C. Pulvermacher, Martin Ritter, T. Sanuki, Z. Natkaniec, Yukinori Sato, M. Nayak, J. G. Shiu, Ya-Qiu Jin, A. Garmash, V. Bansal, Phillip Urquijo, R. Mussa, H. B. Jeon, M. T. Hedges, Y. B. Li, A. Ishikawa, A. Zupanc, V.E. Shebalin, S. Al Said, P. K. Behera, C. Z. Yuan, P. Križan, Y. Onuki, C. B. Van Hulse, S. Uno, C. Schwanda, A. M. Bakich, B. G. Cheon, G. Schnell, T. Iijima, Alexei Kuzmin, E. L. Barberio, N. Gabyshev, D. Červenkov, H. Yamamoto, Chawon Park, T.-A. Shibata, J. F. Strube, T. Kuhr, P. Goldenzweig, V. Vorobyev, C.-L. Hsu, S. Korpar, S. Sandilya, V. V. Zhulanov, M. J. Kim, N. Dash, R. Ayad, Peter Kodys, W. W. Jacobs, P. Katrenko, Victoria Zhukova, K. Inami, Felix Metzner, V. Babu, Y. Yook, T. Aushev, S. Di Carlo, G. Karyan, M. Starič, A. Chen, B. Shwartz, C. Kiesling, T. Ferber, T. Kumita, K. Chilikin, M. Masuda, H. Ono, K. K. Joo, G. B. Mohanty, D. Y. Kim, H. Hayashii, S. Wehle, Hyunyong Kim, M. Uchida, M. Bračko, Y. Yusa, M. Z. Wang, K. Kinoshita, A. B. Kaliyar, L. K. Li, R. Mizuk, H. Farhat, S. Ogawa, Y. Iwasaki, Y. Ushiroda, D. Liventsev, J. B. Kim, Y. Unno, Tariq Aziz, Y. J. Kwon, C. W. Park, E. Won, Y. Sakai, Seema Bahinipati, O. Schneider, Y. Choi, I. Adachi, K. J. Nath, G. S. Varner, T. Hara, L. Santelj, L. Pesántez, K. Trabelsi, Z. Drásal, J. Kahn, C. P. Shen, E. Waheed, Seok Kim, R. Itoh, A. Rostomyan, J. Grygier, P. Wang, D. Matvienko, E. Nakano, B. Golob, N. K. Nisar, H. K. Moon, H. Miyata, J. S. Lange, Bo Wang, M. Ziegler, T. Schlüter, Dipanwita Dutta, D. M. Asner, K. Hayasaka, A. Bobrov, C. H. Li, E. Solovieva, K. Senyo, Ihn Sik Seong, M. Heck, T. Kawasaki, S. Eidelman, Tara Nanut, T. Uglov, H. Park, A. Bozek, D. Kotchetkov, S. Nishida, V. Chekelian, B. K. Pal, Eleonora Guido, B. Bhuyan, B. G. Fulsom, T. E. Browder, V. Savinov, D. Joffe, A. Vossen, Frank Simon, Z. P. Zhang, Jyoti Prakash Biswal, S. Okuno, D. Cinabro, M. E. Sevior, V. Gaur, M. Lubej, G. Inguglia, P. Chang, M. Nakao, J. Libby, Y. Seino, M. T. Prim, Tao Luo, T. Mori, H. Aihara, L. Li Gioi, Y. Yamashita, Y. Watanabe, H. Kichimi, H. Ye, T. Tsuboyama, T. K. Pedlar, V.N. Zhilich, T. Matsuda, U. Tamponi, G. Bonvicini, J. Haba, I. Jaegle, K. Miyabayashi, I. Badhrees, P. Krokovny, K. H. Kang, K. Cho, M. Gelb, A.E. Bondar, O. Grzymkowska, C. H. Wang, M. Takizawa, T. Keck, A. J. Schwartz, S. Paul, K. M. Williams, J. E. Fast, Z. Doležal, K. T. Kim, R. Gillard, M. Watanabe, and L. E. Piilonen

Subjects
Physics, Particle physics, 010308 nuclear & particles physics, 0103 physical sciences, 010306 general physics, 01 natural sciences
Published
2018
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36. A Monolithic Pixel Sensor with Fine Space-Time Resolution Based on Silicon-on-Insulator Technology for the ILC Vertex Detector

Author

Miho Yamada, Manabu Togawa, Yasuo Arai, Yoichi Ikegami, Shun Endo, Daisuke Sekigawa, Shun Ono, Ikuo Kurachi, T. Mori, T. Tsuboyama, Kazuhiko Hara, and A. Ishikawa

Subjects
Optics, Materials science, Pixel, business.industry, Space time, Resolution (electron density), Silicon on insulator, Vertex detector, business, Semiconductor detector
Published
2018
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37. Belle II Silicon Vertex Detector (SVD)

Author

To. Baroncelli, Keigo Hara, S. R. Chendvankar, K. Adamczyk, Gagan Bihari Mohanty, A. Profeti, K. K. Rao, Ti. Baroncelli, Satoshi Tanaka, A. Martini, Rakesh Kumar, K. H. Kang, Filippo Bosi, F. Buchsteiner, J. Wiechczynski, Dipanwita Dutta, T. Bilka, T. Lueck, A. Paladino, Y. Onuki, K. Nakamura, M. Rozanska, G. Rizzo, D. Červenkov, Jakub Kandra, F. Forti, M. Watanabe, A. Bauer, R. Thomas, T. Morii, W. Kun, N. Dash, G. Casarosa, Seema Bahinipati, L. Bosisio, A. K. Basith, Steven Williams, P. K. Resmi, E. L. Barberio, Masatoshi Maki, C. W. Joo, E. Paoloni, J. Lettenbicher, S. T. Divekar, A. Bozek, S. Koike, Shih-Chang Lee, V. Babu, T. Yoshinobu, Hitoshi Yamamoto, T. Kohriki, Peter Kodys, Phillip Urquijo, R. Thalmeier, L. Zani, L. Bulla, S. Bacher, I. Komarov, Z. Doležal, H. Yin, S. N. Mayekar, Corrado Angelini, Fabrizio Giulio Luca Pilo, G. Batignani, Tariq Aziz, J. Stypula, Peter Kvasnicka, M. Ceccanti, N. Sato, Christian Irmler, N. Kambara, B. Bhuyan, G. N. Taylor, W. Ostrowicz, I. J. Watson, M. M. Kolwalkar, J. Suzuki, I. Rashevskaya, Thomas Bergauer, H. Aihara, S. Schultschik, S. Bettarini, G. De Pietro, Markus Friedl, H. Park, P. Mammini, Satoru Uozumi, Jun Sasaki, Saraju P. Mohanty, T. Horiguchi, B. Würkner, Prafulla Kumar Behera, B. Gobbo, J. Libby, C. Schwanda, Z. Natkaniec, Y. Seino, Takeo Kawasaki, Shoichi Watanuki, Takuya Higuchi, H. B. Jeon, A. Ishikawa, T. Tsuboyama, John Webb, L. Vitale, Noritaka Shimizu, L. Lanceri, Zhen-An Liu, Bahinipati, S., Adamczyk, K., Aihara, H., Angelini, C., Aziz, T., Babu, V., Bacher, S., Barberio, E., Baroncelli, Ti., Baroncelli, To., Basith, A. K., Batignani, G., Bauer, A., Behera, P. K., Bergauer, T., Bettarini, S., Bhuyan, B., Bilka, T., Bosi, F., Bosisio, L., Bozek, A., Buchsteiner, F., Bulla, L., Casarosa, G., Ceccanti, M., Červenkov, D., Chendvankar, S. R., Dash, N., De Pietro, G., Divekar, S. T., Doležal, Z., Dutta, D., Forti, F., Friedl, M., Gobbo, B., Hara, K., Higuchi, T., Horiguchi, T., Irmler, C., Ishikawa, A., Jeon, H. B., Joo, C., Kandra, J., Kambara, N., Kang, K. H., Kawasaki, T., Kodyš, P., Kohriki, T., Koike, S., Kolwalkar, M. M., Komarov, I., Kumar, R., Kun, W., Kvasnička, P., Lanceri, L., Lettenbicher, J., Libby, J., Lee, S. C., Lueck, T., Maki, M., Mammini, P., Martini, A., Mayekar, S. N., Mohanty, G. B., Mohanty, S., Morii, T., Nakamura, K. R., Natkaniec, Z., Onuki, Y., Ostrowicz, W., Paladino, A., Paoloni, E., Park, H., Pilo, F., Profeti, A., Rashevskaya, I., Rao, K. K., Rizzo, G., Resmi, P. K., Rozanska, M., Sasaki, J., Sato, N., Schultschik, S., Schwanda, C., Seino, Y., Shimizu, N., Stypula, J., Suzuki, J., Tanaka, S., Taylor, G. N., Thalmeier, R., Thomas, R., Tsuboyama, T., Uozumi, S., Urquijo, P., Vitale, L., Watanuki, S., Watanabe, M., Watson, I. J., Webb, J., Wiechczynski, J., Williams, S., Würkner, B., Yamamoto, H., Yin, H., Yoshinobu, T., and Zani, L.

Subjects
Physics, business.industry, Bandwidth (signal processing), Flash ADC, Computational science, Physics and Astronomy (all), Data acquisition, Analog signal, Parasitic capacitance, Application-specific integrated circuit, Computer data storage, Singular value decomposition, business
Abstract

The Belle II experiment at the SuperKEKB collider in Japan will operate at an unprecedented luminosity of \(8\,\times \,10^{35}\) cm\(^{-2}\)s\(^{-1}\), about 40 times larger than its predecessor, Belle. Its vertex detector is composed of a two-layer DEPFET pixel detector (PXD) and a four layer double-sided silicon microstrip detector (SVD). To achieve a precise decay-vertex position determination and excellent low-momentum tracking under a harsh background condition and high trigger rate of 10 kHz, the SVD employs several innovative techniques. In order to minimize the parasitic capacitance in the signal path, 1748 APV25 ASIC chips, which read out signal from 224 k strip channels, are directly mounted on the modules with the novel Origami concept. The analog signal from APV25 are digitized by a flash ADC system, and sent to the central DAQ as well as to online tracking system based on SVD hits to provide region of interests to the PXD for reducing the latter’s data size to achieve the required bandwidth and data storage space. Furthermore, the state-of-the-art dual phase \(\hbox {CO}_2\) cooling solution has been chosen for a combined thermal management of the PXD and SVD system. In this proceedings, we present key design principles, module construction and integration status of the Belle II SVD.

Published
2018
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38. Search for B→hνν¯ decays with semileptonic tagging at Belle

Author

Jyoti Prakash Biswal, Chawon Park, Tao Luo, V. V. Zhulanov, Tariq Aziz, Y. Yook, Elisa Guido, G. Schnell, A. Garmash, J. Libby, M. Lubej, B. G. Cheon, D. Y. Kim, H. Ono, B. Bhuyan, B. G. Fulsom, R. Mussa, H. B. Jeon, A. Ishikawa, T. E. Browder, Seema Bahinipati, M. Z. Wang, K. Kinoshita, P. Križan, M. Uchida, V. Gaur, L. K. Li, Y. Choi, K. J. Nath, T. Hara, L. Santelj, M. Nakao, D. Liventsev, J. E. Fast, V. Bansal, T. Kuhr, Y. Seino, Y. Iwasaki, M. T. Prim, Y. Sakai, A. J. Schwartz, Y. J. Kwon, Y. Watanabe, M. Masuda, A.E. Bondar, Z. Natkaniec, G. B. Mohanty, G. S. Varner, H. Kichimi, Toru Iijima, M. T. Hedges, O. Schneider, V. Savinov, D. Cinabro, S. Wehle, T. K. Pedlar, G. Inguglia, T. Tsuboyama, Y. Unno, K. Trabelsi, R. Itoh, M. Takizawa, P. K. Behera, K. M. Williams, K. Chilikin, R. Ayad, A. Zupanc, P. Chang, J. Kahn, P. Wang, P. Goldenzweig, C. P. Shen, S. Sandilya, Seok Kim, M. J. Kim, S. Korpar, S. Eidelman, M. Starič, Z. Doležal, C.-L. Hsu, T. Kumita, Y. Yusa, H. Farhat, T. Matsuda, J. B. Kim, V. Babu, D. M. Asner, Peter Kodys, C. B. Van Hulse, V.E. Shebalin, C. Z. Yuan, T. Aushev, W. W. Jacobs, P. Katrenko, Yukinori Sato, S. Al Said, Z. P. Zhang, S. Okuno, T. Nanut, H. Hayashii, Hyunyong Kim, J. G. Shiu, G. Bonvicini, S. Di Carlo, Phillip Urquijo, H. Park, T. Ferber, A. Bozek, G. Karyan, Y. B. Li, M. Watanabe, J. Haba, M. Gelb, Felix Metzner, R. Mizuk, P. Krokovny, S. Nishida, V.N. Zhilich, N. Dash, L. Li Gioi, T.-A. Shibata, K. H. Kang, K. Cho, E. Nakano, E. Solovieva, Y. Yamashita, A. Kuzmin, H. Yamamoto, A. Rostomyan, K. T. Kim, K. Senyo, Ihn Sik Seong, V. Chekelian, K. K. Joo, R. Gillard, S. Ogawa, T. Mori, H. Aihara, M. Heck, I. Adachi, S. Uno, T. Kawasaki, M. E. Sevior, B. K. Pal, C. Schwanda, E. Waheed, V. Vorobyev, T. Schlüter, Dipanwita Dutta, H. Ye, Victoria Zhukova, I. Jaegle, D. Joffe, C. H. Li, K. Miyabayashi, A. Chen, I. Badhrees, A. Vossen, K. Inami, Z. Drásal, Frank Simon, U. Tamponi, T. Uglov, B. Golob, N. K. Nisar, H. K. Moon, D. Kotchetkov, J. S. Lange, O. Grzymkowska, C. H. Wang, M. Ziegler, T. Keck, M. Nayak, S. Paul, A. B. Kaliyar, C. W. Park, E. Won, Ya-Qiu Jin, Y. Onuki, E. L. Barberio, Y. Ushiroda, B. Shwartz, L. Pesántez, J. Grygier, H. Miyata, Bo Wang, K. Hayasaka, A. Bobrov, L. E. Piilonen, G. Pakhlova, R. Kulasiri, T. Julius, R. Chistov, D. Matvienko, Hirokazu Miyake, F. Tenchini, T. Sumiyoshi, C. Pulvermacher, Martin Ritter, T. Sanuki, A. M. Bakich, N. Gabyshev, D. Červenkov, J. F. Strube, C. Kiesling, and M. Bračko

Subjects
Physics, Semileptonic decay, Particle physics, KEKB, Meson, 010308 nuclear & particles physics, 0103 physical sciences, 010306 general physics, 01 natural sciences
Abstract

We present the results of a search for the rare decays $B\ensuremath{\rightarrow}h\ensuremath{\nu}\overline{\ensuremath{\nu}}$, where $h$ stands for ${K}^{+},{K}_{\mathrm{S}}^{0},\phantom{\rule{0ex}{0ex}}{{K}^{*}}^{+},{{K}^{*}}^{0},{\ensuremath{\pi}}^{+},{\ensuremath{\pi}}^{0},{\ensuremath{\rho}}^{+}$ and ${\ensuremath{\rho}}^{0}$. The results are obtained with $772\ifmmode\times\else\texttimes\fi{}{10}^{6}\text{ }\text{ }B\overline{B}$ pairs collected with the Belle detector at the KEKB ${e}^{+}{e}^{\ensuremath{-}}$ collider. We reconstruct one $B$ meson in a semileptonic decay and require a single $h$ meson but nothing else on the signal side. We observe no significant signal and set upper limits on the branching fractions. The limits set on the ${B}^{0}\ensuremath{\rightarrow}{K}_{\mathrm{S}}^{0}\ensuremath{\nu}\overline{\ensuremath{\nu}}$, ${B}^{0}\ensuremath{\rightarrow}{{K}^{*}}^{0}\ensuremath{\nu}\overline{\ensuremath{\nu}}$, ${B}^{+}\ensuremath{\rightarrow}{\ensuremath{\pi}}^{+}\ensuremath{\nu}\overline{\ensuremath{\nu}}$, ${B}^{0}\ensuremath{\rightarrow}{\ensuremath{\pi}}^{0}\ensuremath{\nu}\overline{\ensuremath{\nu}}$, ${B}^{+}\ensuremath{\rightarrow}{\ensuremath{\rho}}^{+}\ensuremath{\nu}\overline{\ensuremath{\nu}}$, and ${B}^{0}\ensuremath{\rightarrow}{\ensuremath{\rho}}^{0}\ensuremath{\nu}\overline{\ensuremath{\nu}}$ channels are the world's most stringent.

Published
2017
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39. Lepton-Flavor-Dependent Angular Analysis of B→K*ℓ+ℓ−

Author

G. B. Mohanty, Vikas Bansal, E. Nakano, Y. Yusa, C. Van Hulse, T. Sumiyoshi, D. Joffe, M. Uchida, T. Schlüter, Tariq Aziz, Dipanwita Dutta, Yang Li, K. J. Nath, A. Zupanc, A. Bozek, Soumen Paul, S. E. Vahsen, J. Libby, M. Lubej, C. H. Li, James E. Fast, Luka Santelj, Eberhard Widmann, T. Luo, Y. Yook, C. L. Hsu, Semen Eidelman, B. Pal, R. Mussa, W. Bartel, H. B. Jeon, R. Kulasiri, B. G. Fulsom, A. Ishikawa, L. Pesántez, S. Wehle, B. Bhuyan, Yuki Sato, M. Nakao, L. Koch, Y. Seino, C. W. Park, Hiroaki Aihara, N. Gabyshev, P. Križan, Elisa Guido, Y. Ushiroda, C. Niebuhr, M. T. Hedges, Y. Yamashita, A. Bobrov, R. Chistov, J. Rauch, G. Schnell, C. Z. Yuan, V. Savinov, H. Ye, G. Varner, J. G. Shiu, S. Sandilya, K. Senyo, I. Jaegle, K. Inami, T. A. Shibata, K. Trabelsi, M. J. Kim, D. Liventsev, Prafulla Kumar Behera, C. P. Shen, H. Miyake, T. Kuhr, V. Babu, M. Starič, Z. Drásal, T. Aushev, Ihn Sik Seong, Phillip Urquijo, Peter Kodys, W. W. Jacobs, Liangbin Li, A. Rostomyan, T. Kumita, K. Sumisawa, T. Kawasaki, V. Chekelian, H. Ono, D. Červenkov, T. Ferber, T. Matsuda, J. F. Strube, T. E. Browder, P. Wang, G. Bonvicini, H. Hayashii, G. Karyan, Y. Onuki, D. Cinabro, E. Solovieva, H. Kichimi, S. Al Said, K. T. Kim, G. Inguglia, Meng Wang, Y. Iwasaki, R. Gillard, S. H. Kim, P. Chang, Y. J. Kwon, N. Dash, K. Hayasaka, P. Krokovny, V.M. Aulchenko, C. Pulvermacher, M. Watanabe, K. Kinoshita, U. Tamponi, H. Park, A. Kuzmin, F. Tenchini, T. Tsuboyama, O. Schneider, C. Kiesling, K. H. Kang, K. Cho, M. Masuda, C. H. Wang, R. Sinha, D. Epifanov, Toru Iijima, L. Li Gioi, A.E. Bondar, S. Yashchenko, M. Bračko, C. S. Park, O. Grzymkowska, M. Takizawa, Y. Sakai, T. Julius, Y. Choi, Z. Doležal, D. Kotchetkov, T. Hara, S. Ogawa, R. Mizuk, K. Chilikin, M. Nayak, R. Ayad, R. Itoh, Victoria Zhukova, C. Schwanda, K. M. Williams, A. Chen, Leo Piilonen, J. Haba, A. Vossen, O. Seon, Frank Simon, B.A. Shwartz, D. Y. Kim, Z. P. Zhang, S. Nishida, Vladimir Zhulanov, Y. Jin, M. E. Sevior, Jochen Dingfelder, P. Goldenzweig, Iki Adachi, Martin Ritter, Z. Natkaniec, J. B. Kim, A. M. Bakich, B. G. Cheon, T. Sanuki, D. M. Asner, Samo Korpar, B. Golob, E. Barberio, A. B. Kaliyar, J. S. Lange, M. Ziegler, W. S. Hou, V. Vorobyev, S. Uno, A. Garmash, K. K. Joo, E. Won, Kevin Varvell, T. Nanut, Hitoshi Yamamoto, Y. Watanabe, T. Mori, Y. Usov, N. K. Nisar, G. Pakhlova, V.N. Zhilich, Jyoti Prakash Biswal, K. Miyabayashi, V. Gaur, E. Waheed, H. Farhat, T. Uglov, P. Katrenko, A. J. Schwartz, H. J. Kim, and Yoshinobu Unno

Subjects
Physics, Particle physics, Muon, 010308 nuclear & particles physics, Electron–positron annihilation, General Physics and Astronomy, Sigma, Observable, Elementary particle, 01 natural sciences, Nuclear physics, KEKB, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, Flavor, Lepton
Abstract

We present a measurement of angular observables and a test of lepton flavor universality in the B -> K(+)l(+)l(-) decay, where l is either e or mu. The analysis is performed on a data sample corresponding to an integrated luminosity of 711 fb(-1) containing 772 x 10(6) B (B) over bar pairs, collected at the Upsilon(4S) resonance with the Belle detector at the asymmetric-energy e(+)e(-) collider KEKB. The result is consistent with standard model (SM) expectations, where the largest discrepancy from a SM prediction is observed in the muon modes with a local significance of 2.6 sigma.

Published
2017
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40. A monolithic pixel sensor with fine space-time resolution based on silicon-on-insulator technology for the ILC vertex detector

Author

Manabu Togawa, Yasuo Arai, Shun Ono, Miho Yamada, T. Mori, T. Tsuboyama, and Ikuo Kurachi

Subjects
Physics, Pixel, business.industry, ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION, Stacking, Electrical engineering, Analog-to-digital converter, Silicon on insulator, Hardware_PERFORMANCEANDRELIABILITY, Dot pitch, law.invention, Semiconductor detector, law, Position (vector), Hardware_INTEGRATEDCIRCUITS, Optoelectronics, business, Beam (structure)
Abstract

We are developing a new monolithic pixel sensor with Silicon-on-Insulator (SOI) technology for the ILC vertex detector system. The new SOI sensor SOFIST can store both the position and timing information of charged particles. The first prototype sensor with the pixel pitch of 20 µm was evaluated at 120 GeV proton beam. The position resolution was about 1.7 µm. We are currently designing next prototype sensor chips with the pixel circuit optimized for 3D stacking technology.

Published
2017
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41. The Belle II silicon vertex detector assembly and mechanics

Author

P. Mammini, T. Lueck, V. Babu, G. Casarosa, S. Koike, Peter Kodys, Y. Onuki, H. B. Jeon, K. Negishi, Tariq Aziz, R. Thomas, Satoshi Tanaka, A. Ishikawa, B. Bhuyan, Saraju P. Mohanty, Seema Bahinipati, E. L. Barberio, N. K. Nisar, T. Morii, Thomas Bergauer, B. Würkner, C. Schwanda, C. W. Joo, Peter Kvasnicka, Dipanwita Dutta, S. Bacher, S. Schultschik, Kiyoshi Tanida, S. Bettarini, Fabrizio Giulio Luca Pilo, T. Yoshinobu, N. Shimizu, G. B. Mohanty, K. H. Kang, Y. Seino, E. Kato, H. Park, A. Bozek, Z. Natkaniec, Z. Doležal, F. Forti, Shoichi Watanuki, M. Ceccanti, Steven Williams, I. J. Watson, Hitoshi Yamamoto, N. Sato, Satoru Uozumi, Corrado Angelini, S. T. Divekar, M. M. Kolwalkar, A. Bauer, T. Kohriki, Phillip Urquijo, A. Paladino, Jun Sasaki, T. Horiguchi, Takeo Higuchi, L. Bulla, Christian Irmler, R. Thalmeier, Filippo Bosi, John Webb, Prafulla Kumar Behera, L. Vitale, Markus Friedl, T. Bilka, T. Kawasaki, S. R. Chendvankar, G. N. Taylor, W. Ostrowicz, K. Adamczyk, S. N. Mayekar, H. Yin, H. Aihara, J. Suzuki, K. K. Rao, L. Lanceri, I. Rashevskaya, G. Batignani, J. Stypula, T. Tsuboyama, E. Paoloni, Masatoshi Maki, J. Wiechczynski, To. Baroncelli, Keigo Hara, N. Dash, A. K. Basith, M. Rozanska, J. Lettenbicher, F. Buchsteiner, Ti. Baroncelli, K. Nakamura, Jakub Kandra, L. Bosisio, D. Červenkov, G. Rizzo, A. Profeti, Bosisio, L., Lanceri, L., and Vitale, L.

Subjects
Particle physics, Vertex (computer graphics), Nuclear and High Energy Physics, Physics::Instrumentation and Detectors, Instrumentation, media_common.quotation_subject, 01 natural sciences, Asymmetry, 030218 nuclear medicine & medical imaging, law.invention, 03 medical and health sciences, Silicon module construction, 0302 clinical medicine, law, 0103 physical sciences, Silicon vertex tracker, Belle II, Collider, Nuclear and High Energy Physic, media_common, Physics, Luminosity (scattering theory), 010308 nuclear & particles physics, Detector, visual_art, Electronic component, visual_art.visual_art_medium, CP violation, High Energy Physics::Experiment
Abstract

The Belle II experiment at the asymmetric SuperKEKB collider in Japan will operate at an instantaneous luminosity approximately 50 times greater than its predecessor (Belle). The central feature of the experiment is a vertex detector comprising two layers of pixelated silicon detectors (PXD) and four layers of double-sided silicon microstrip detectors (SVD). One of the key measurements for Belle II is CP violation asymmetry in the decays of beauty and charm hadrons, which hinges on a precise charged-track vertex determination and low-momentum track measurement. Towards this goal, a proper assembly of the SVD components with precise alignment ought to be performed and the geometrical tolerances should be checked to fall within the design limits. We present an overview of the assembly procedure that is being followed, which includes the precision gluing of the SVD module components, wire-bonding of the various electrical components, and precision 3D coordinate measurements of the final SVD modules. Finally, some results from the latest test-beam are reported.

Published
2017

42. The Belle II SVD detector

Author

Filippo Bosi, Corrado Angelini, B. Bhuyan, T. Bilka, M. Watanabe, Christian Irmler, Thomas Bergauer, R. Thalmeier, Peter Kvasnicka, Noriaki K. Sato, Soumya D. Mohanty, K. Hara, A. Bauer, E. Paoloni, K. H. Kang, S. T. Divekar, Phillip Urquijo, G. De Pietro, Noritaka Shimizu, A. K. Basith, M. Rozanska, N. Kambara, G. Caria, J. Lettenbicher, A. Paladino, Z. Natkaniec, J. Suzuki, G. N. Taylor, W. Ostrowicz, I. Rashevskaya, Katsuro Nakamura, S. N. Mayekar, S. Bettarini, T. Lueck, V. Babu, C. Joo, G. Casarosa, T. Kawasaki, To. Baroncelli, P. K. Resmi, L. Zani, T. Horiguchi, L. Lanceri, S. Schultschik, Dipanwita Dutta, Ti. Baroncelli, B. Würkner, G. Batignani, J. Libby, S. Bacher, Y. Onuki, S. Koike, J. Stypula, F. Buchsteiner, I. J. Watson, Markus Friedl, N. Dash, Peter Kodys, F. Forti, R. Thomas, T. Morii, J. C. Webb, L. Vitale, W. Kun, Y. Seino, H. Park, A. Bozek, H. B. Jeon, Shoichi Watanuki, E. L. Barberio, A. Ishikawa, Jakub Kandra, A. Profeti, T. Kohriki, L. Bosisio, Tariq Aziz, Seema Bahinipati, T. Yoshinobu, Masatoshi Maki, M. Ceccanti, L. Bulla, Jun Sasaki, Z. Doležal, T. Tsuboyama, H. Yamamoto, C. La Licata, G. B. Mohanty, G. Rizzo, Steven Williams, J. Wiechczynski, Fabrizio Giulio Luca Pilo, Rahul Kumar, K. Adamczyk, D. Červenkov, Satoshi Tanaka, H. Yin, S. Uozumi, C. Schwanda, S. R. Chendvankar, H. Aihara, K. K. Rao, M. M. Kolwalkar, P. K. Behera, P. Mammini, and T. Higuchi

Subjects
Vertex (computer graphics), belle ii, Physics::Instrumentation and Detectors, Computer science, vertex detector, Detector, Tracking (particle physics), Computer Science::Numerical Analysis, Silicon vertex detector, Semiconductor detector, silicon vertex detector, Computer Science::Multimedia, Singular value decomposition, Physics::Accelerator Physics, High Energy Physics::Experiment, Algorithm, Beam (structure), silicon detector, Pixel detector
Abstract

The Silicon Vertex Detector (SVD) is one of the main detectors in the Belle II experiment at KEK, Japan. In combination with a pixel detector, the SVD determines precise decay vertex and low-momentum track reconstruction. The SVD ladders are being developed at several institutes. For the development of the tracking algorithm as well as the performance estimation of the ladders, beam tests for the ladders were performed. We report an overview of the SVD development, its performance measured in the beam test, and the prospect of its assembly and commissioning until installation.

Published
2017

43. The Belle II SVD data readout system

Author

V. Babu, Tariq Aziz, Kiyoshi Tanida, B. Würkner, T. Lueck, T. Kawasaki, N. K. Nisar, E. Kato, W. Ostrowicz, H. Yin, Satoru Uozumi, Seema Bahinipati, Dipanwita Dutta, N. Shimizu, C. W. Joo, F. Buchsteiner, M. Ceccanti, A. Bauer, R. Thalmeier, Ti. Baroncelli, Fabrizio Giulio Luca Pilo, Y. Seino, P. Mammini, Prafulla Kumar Behera, T. Tsuboyama, S. N. Mayekar, L. Lanceri, Peter Kvasnicka, Shoichi Watanuki, Eugenio Paoloni, T. Kohriki, S. Schultschik, J. Wiechczynski, F. Forti, Noriaki K. Sato, Satoshi Tanaka, T. Horiguchi, K. Nakamura, Markus Friedl, K. Adamczyk, G. B. Mohanty, G. Batignani, L. Bulla, J. Stypula, Z. Doleźal, Jakub Kandra, L. Bosisio, G. Rizzo, S. Bacher, Corrado Angelini, Jun Sasaki, S. Koike, P. Kodyś, Steven Williams, Y. Onuki, K. H. Kang, R. Thomas, J. Suzuki, T. Morii, I. Rashevskaya, To. Baroncelli, Takuya Higuchi, H. Park, A. Bozek, Christian Irmler, John Webb, L. Vitale, Hitoshi Yamamoto, K. Negishi, B. Bhuyan, E. L. Barberio, Thomas Bergauer, K. Hara, N. Dash, A. K. Basith, M. Rozanska, J. Lettenbicher, T. Yoshinobu, Masatoshi Maki, Saraju P. Mohanty, C. Schwanda, G. N. Taylor, I. J. Watson, Antonio Paladino, Giulia Casarosa, S. T. Divekar, Phillip Urquijo, S. R. Chendvankar, S. Bettarini, K. K. Rao, H. Aihara, A. Profeti, Z. Natkaniec, M. M. Kolwalkar, D. Červenkov, Filippo Bosi, T. Bilka, H. B. Jeon, A. Ishikawa, Bosisio, L., Lanceri, L., and Vitale, L.

Subjects
Physics, Signal processing, Nuclear and High Energy Physics, Finite impulse response, 010308 nuclear & particles physics, business.industry, Detector, Electrical engineering, Analog-to-digital converter, 01 natural sciences, Signal, Multiplexing, 030218 nuclear medicine & medical imaging, law.invention, 03 medical and health sciences, 0302 clinical medicine, Analog signal, Belle II Data Readout System, Instrumentation, law, 0103 physical sciences, Electronics, business, Nuclear and High Energy Physic
Abstract

The Belle II Experiment at the High Energy Accelerator Research Organization (KEK) in Tsukuba, Japan, will explore the asymmetry between matter and antimatter and search for new physics beyond the standard model. 172 double-sided silicon strip detectors are arranged cylindrically in four layers around the collision point to be part of a system which measures the tracks of the collision products of electrons and positrons. A total of 1748 radiation-hard APV25 chips read out 128 silicon strips each and send the analog signals by time-division multiplexing out of the radiation zone to 48 Flash Analog Digital Converter Modules (FADC). Each of them applies processing to the data; for example, it uses a digital finite impulse response filter to compensate line signal distortions, and it extracts the peak timing and amplitude from a set of several data points for each hit, using a neural network. We present an overview of the SVD data readout system, along with front-end electronics, cabling, power supplies and data processing.

Published
2017

44. Study of gluing and wire bonding for the Belle II Silicon Vertex Detector

Author

Tsutomu Mibe, H.J. Kim, H. Park, T. Tsuboyama, Kiyoshi Tanida, H. B. Jeon, Satoru Uozumi, D.H. Kah, N. Shimizu, N. Sato, Takeo Higuchi, K. K. Rao, HyoJung Hyun, C. Joo, K. H. Kang, Y. Onuki, and Keigo Hara

Subjects
Physics, Nuclear and High Energy Physics, Wire bonding, Silicon, Adapter (computing), chemistry.chemical_element, Fan-out, Mechanical engineering, Signal, Flexible electronics, Particle detector, Semiconductor detector, chemistry, Instrumentation
Abstract

This paper describes an investigation into gluing and wire bonding for assembling the Silicon Vertex Detector (SVD) for the Belle II experiment at KEK in Japan. Optimizing the gluing of the silicon microstrip sensors, the support frame, and the readout flex cables is important for achieving the required mechanical precision. The wire bonding between the sensors and the readout electronic chips also needs special care to maximize the physics capability of the SVD. The silicon sensors and signal fan out flex circuits (pitch adapters) are glued and connected using wire bonding. We determine that gluing quality is important for achieving good bonding efficiency. The standard deviation in the glue thickness for the best result is measured to be 3.11 μm. Optimal machine parameters for wire bonding are determined to be 70 mW power, 20 gf force, and 20 ms for the pitch adapter and 60 mW power, 20 gf force, and 20 ms for the silicon strip sensors; these parameters provide a pull force of (10.92±0.72) gf. With these settings, 75% of the pitch adapters and 25% of the strip sensors experience the neck-broken type of break.

Published
2014
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45. A Low Mass On-Chip Readout Scheme for Double-Sided Silicon Strip Detectors

Author

Christian Irmler, M. Valentan, K. H. Kang, Y. Onuki, D. H. Kah, A. Ishikawa, E. Kato, K. K. Rao, N. Shimizu, I. Gfall, A. Frankenberger, T. Tsuboyama, Markus Friedl, C. Joo, K. Negishi, Takuya Higuchi, Thomas Bergauer, and G. B. Mohanty

Subjects
Physics, Nuclear and High Energy Physics, Silicon, business.industry, Detector, chemistry.chemical_element, STRIPS, Integrated circuit, Noise figure, Particle detector, law.invention, Semiconductor detector, chemistry, law, Optoelectronics, business, Instrumentation, Electronic circuit
Abstract

B-factories like the KEKB in Tsukuba, Japan, operate at relatively low energies and thus require detectors with very low material budget in order to minimize multiple scattering. On the other hand, front-end chips with short shaping time like the APV25 have to be placed as close to the sensor strips as possible to reduce the capacitive load, which mainly determines the noise figure. In order to achieve both – minimal material budget and low noise – we developed a readout scheme for double-sided silicon detectors, where the APV25 chips are placed on a flexible circuit, which is glued onto the top side of the sensor. The bottom-side strips are connected by two flexible circuits, which are bent around the edge of the sensor. This so-called “Origami” design will be utilized to build the Silicon Vertex Detector of the Belle II experiment, which will consist of four layers made from ladders with up to five double-sided silicon strip sensors in a row. Each ladder will be supported by two ribs made of a carbon fiber and Airex foam core sandwich. The heat dissipated by the front-end chips will be removed by a highly efficient two-phase CO 2 system. Thanks to the Origami concept, all APV25 chips are aligned in a row and thus can be cooled by a single thin cooling pipe per ladder. We present the concept and the assembly procedure of the Origami chip-on-sensor modules.

Published
2013
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46. Development of the Pixel OR SOI detector for high energy physics experiments

Author

Yoshimasa Ono, Toshifumi Imamura, Y. Onuki, A. Ishikawa, Takafumi Ohmoto, Atsushi Iwata, T. Tsuboyama, Hitoshi Yamamoto, and Yasuo Arai

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Signal processing, Analog signal, Pixel, Physics::Instrumentation and Detectors, Detector, Instrumentation, Signal, Particle detector, Electronic circuit, Semiconductor detector
Abstract

A Silicon-On-Insulator (SOI) Technology is suitable for vertex detectors for high energy physics experiments since complex functions can be fabricated on the SOI wafer with a small amount of material thanks to the monolithic structure. We developed a new sensor processing scheme “PIXOR(PIXel OR)” for pixel detectors using a LAPIS 0.20 μ m SOI process. An analog signal from each pixelated sensor is divided into two dimensional directions, and 2 n signal channels from a small n by n pixel matrix are ORed as n column and n row channels, then the signals are processed by a readout circuit in each small matrix. This PIXOR scheme reduces the number of readout channels and avoids a deterioration of intrinsic position resolution due to large circuit area, that was a common issue for monolithic detectors. This feature allows high resolution, low occupancy and on-sensor signal processing at the same time. We present the successful results of the PIXOR readout scheme using a first prototype.

Published
2013
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47. Evidence for B¯s0→Λc+Λ¯π−

Author

R. Mizuk, L. E. Piilonen, G. Pakhlova, M. Huschle, R. Mussa, J. E. Fast, S. Yashchenko, D. M. Asner, A. Ishikawa, Y. Unno, P. Krizan, H. Sahoo, T. Uglov, M. Uchida, S. E. Lee, T. Saito, T. Julius, V.N. Zhilich, M. Sumihama, S. Ogawa, Z. P. Zhang, V. Chobanova, D. Liventsev, B. Bhuyan, Y. Choi, I. Adachi, Y. Iwasaki, K. Tanida, Peter Kodys, R. Chistov, J-G Shiu, T. E. Browder, M. Shapkin, L. Santelj, J. Dalseno, T. Aushev, D. Epifanov, G. Schnell, K. Chilikin, C. B. Van Hulse, Andrey Sokolov, Phillip Urquijo, Y. J. Kim, Zdenek Dolezal, T. Iijima, E. Nedelkovska, G. S. Varner, J. Klucar, J. H. Kang, P.A. Lukin, T. Ferber, H. Miyata, Marko Petrič, O. Schneider, A. Zupanc, W. S. Hou, Richard T. Kouzes, V. Savinov, Y. M. Goh, Sanmay Ganguly, O. Nitoh, R. Itoh, M. Danilov, H. Farhat, Y. B. Li, A. M. Bakich, Y. Watanabe, M. Bischofberger, Y. Hoshi, Alexei Kuzmin, J. B. Kim, V. Bhardwaj, T. K. Pedlar, H. J. Hyun, P. Smerkol, A. Rostomyan, P. Wang, D. Santel, S. Uehara, Y. Sakai, K. T. Kim, Rahul Kumar, T. Kuhr, T. Tsuboyama, S. Eidelman, P. Pakhlov, Kevin Varvell, R. Gillard, S. L. Olsen, Y. Yook, B. Shwartz, J. B. Singh, K. Prothmann, G. B. Mohanty, R. Pestotnik, Byeong Rok Ko, Ho Kim, E. Solovieva, E. Nakano, Martin Ritter, Y. S. Sohn, D. Matvienko, Y. Usov, Sunmin Ryu, T. Sanuki, Satoshi Tanaka, C. P. Shen, Z. Drásal, S. Sandilya, E. Won, M. J. Kim, V. Gaur, H. Park, G. Bonvicini, Dipanwita Dutta, A. Bozek, M. Nakao, B. G. Cheon, M. Starič, C. Kiesling, A. Vinokurova, D. Y. Kim, A.E. Bondar, J. Li, T. Kumita, A.L. Sibidanov, K. Senyo, P. Krokovny, K. M. Williams, A. Drutskoy, T. Kawasaki, Markus Roehrken, J. Haba, G. Tatishvili, K. Cho, M. Bračko, S. Nishida, S. Uno, C. Schwanda, S. Korpar, V. Chekelian, M. N. Wagner, M. Watanabe, B. Golob, S. Okuno, N. K. Nisar, Y. Teramoto, Bruce Yabsley, M. Z. Wang, K. Kinoshita, U. Tamponi, Y-J Kwon, J. S. Lange, Samo Stanič, D. Cinabro, T. Shibata, I. Tikhomirov, A. Chen, M. E. Sevior, C. H. Wang, H. K. Park, Y. Yamashita, D. H. Kah, Y. B. Hsiung, and A. Bala

Subjects
Physics, Nuclear and High Energy Physics, Higher education, 010308 nuclear & particles physics, business.industry, Atomic energy, Library science, 01 natural sciences, Science research, 0103 physical sciences, Agency (sociology), Christian ministry, Education science, 010306 general physics, China, business, Research center
Abstract

We thank the KEKB group for the excellent operation of the accelerator, the KEK cryogenics group for the efficient operation of the solenoid, and the KEK computer group and the National Institute of Informatics for valuable computing and SINET4 network support. We acknowledge support from the Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan, the Japan Society for the promotion of Science (JSPS), and the Tau-Lepton Physics Research Center of Nagoya University; the Australian Research Council and the Australian Department of Industry, Innovation, Science and Research; the National Natural Science Foundation of China under contract Nos. 10575109, 10775142, 10875115 and 10825524; the Ministry of Education, Youth and Sports of the Czech Republic under contract Nos. LA10033 and MSM0021620859; the Department of Science and Technology of India; the BK21 and WCU program of the Ministry Education Science and Technology, National Research Foundation of Korea, and NSDC of the Korea Institute of Science and Technology Information; the Polish Ministry of Science and Higher Education; the Ministry of Education and Science of the Russian Federation and the Russian Federal Agency for Atomic Energy; the Slovenian Research Agency; the Swiss National Science Foundation; the National Science Council and the Ministry of Education of Taiwan; and the U.S. Department of Energy and the National Science Foundation. This work is supported by a Grant-in-Aid from MEXT for Science Research in a Priority Area ("New Development of Flavor Physics"), and from JSPS for Creative Scientific Research ("Evolution of Taulepton Physics").

Published
2013
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48. Charge collection efficiency study of silicon microstrip sensors

Author

Y. J. Kim, H. Park, D. H. Kah, and T. Tsuboyama

Subjects
Materials science, business.industry, General Physics and Astronomy, Charge (physics), Laser, Charged particle, Microstrip, law.invention, Wavelength, law, Optoelectronics, Wafer, Irradiation, business, Silicon microstrip detectors
Abstract

The charge collection efficiencies (CCEs) of various AC-coupled single-sided silicon microstrip sensors were measured to find an optimal sensor design for different readout methods. A 820 nm wavelength pulsed laser was used as a light generation source to study the responses of the prototype microstrip sensors. Five different microstrip sensors of two types (A and B) were designed for this purpose and were fabricated on high resistivity and n-type silicon wafers. The readout pads in types A and B were located inside and outside the guard ring surrounding the active sensor area, respectively. The sensors at an operating voltage of 80 V were irradiated by using a pulsed laser, producing ∼22000 electron-hole pairs per pulse. The signals, ADC counts, were measured by moving the sensors while maintaining the laser in a fixed position. The CCEs for 10 different microstrip sensors were calculated from the maximum and the minimum ADC counts in each designed microstrip sensor. This study showed that the hit-position dependences of the signals and the CCEs for the three different readout methods were well evaluated by using a pulsed laser without using charged particles from accelerators.

Published
2013
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49. Recent progress in sensor- and mechanics-R&D for the Belle II Silicon Vertex Detector

Author

M. Valentan, D. Smiljic, Thomas Bergauer, Y. Onuki, I. Gfall, A. Frankenberger, T. Tsuboyama, P. Doljeschi, Markus Friedl, and Christian Irmler

Subjects
Physics, Nuclear and High Energy Physics, Luminosity (scattering theory), Silicon, Emphasis (telecommunications), Detector, chemistry.chemical_element, Mechanics, Belle experiment, law.invention, KEKB, chemistry, law, Collider, Instrumentation, Beam (structure)
Abstract

The Belle experiment at the KEKB electron/positron collider in Tsukuba (Japan) was successfully running for more than ten years. A major update of the machine to SuperKEKB is now foreseen until 2015, aiming a peak luminosity which is 40 times the peak value of the previous system. This also requires a redesign of the Belle detector (leading to Belle II) and especially its Silicon Vertex Detector (SVD), which surrounds the beam pipe. The future Belle II SVD will consist of four layers of double-sided silicon strip sensors based on 6 in. silicon wafers. Three of the four layers will be equipped with trapezoidal sensors in the slanted forward region. Moreover, two inner layers with pixel detectors based on DEPFET technology will complement the SVD as innermost detector. Since the KEKB-factory operates at relatively low energy, material inside the active volume has to be minimized in order to reduce multiple scattering. This can be achieved by arranging the sensors in the so-called “Origami chip-on-sensor concept”, and a very light-weight mechanical support structure made from carbon fiber reinforced Airex foam. Moreover, CO 2 cooling for the front-end chips will ensure high efficiency at minimum material budget. In this paper, an overview of the future Belle II SVD design will be given, covering the silicon sensors, the readout electronics and the mechanics. A strong emphasis will be given to our R&D work on double-sided sensors where different p-stop layouts for the n-side of the detectors were compared. Moreover, this paper gives updated numbers for the mechanical dimensions of the ladders and their radii.

Published
2013
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50. Search for lepton-flavor and lepton-number-violating τ→ℓhh′ decay modes

Author

Marko Petrič, H. J. Hyun, P. Smerkol, T. A. Shibata, H. Miyata, M. Bischofberger, Y. Hoshi, S.I. Eidelman, P. Pakhlov, K. Hayasaka, I. Adachi, D. Matvienko, Y. Miyazaki, Yang Li, Norihito Muramatsu, S. Korpar, W. S. Hou, K. Trabelsi, H. J. Kim, Chang Liu, Z. P. Zhang, H. O. Kim, A. Bozek, S. Koblitz, D. M. Asner, Y. Choi, Yasuyuki Horii, C. P. Shen, A. Drutskoy, E. Nakano, Yukinori Sato, C. H. Wang, B.A. Shwartz, S. Uehara, R. Louvot, S. Nishida, J. G. Shiu, J. Dalseno, T. Aushev, Y. M. Goh, V. Gaur, M. Nakao, M. C. Chang, S. Okuno, G. Tatishvili, Phillip Urquijo, P. Krokovny, Jasvinder A. Singh, G. B. Mohanty, S. McOnie, Y. Iwasaki, Y. J. Kwon, Vladimir Zhulanov, B. Bhuyan, K. Cho, T. Iijima, Y. Yusa, M. Iwabuchi, Y. Teramoto, O. Schneider, T. E. Browder, O. Seon, Frank Simon, A.L. Sibidanov, D. Epifanov, Z. Q. Liu, B. R. Ko, A.S. Kuzmin, R. Mizuk, S. Ogawa, C. L. Lim, A. Moll, Y. S. Sohn, O. Nitoh, A. Garmash, M. Uchida, Y. Sakai, Hiroaki Aihara, H. K. Park, Y. Yamashita, M. J. Kim, D. Liventsev, T. Sumiyoshi, Byung Gu Cheon, Yongsun Kim, Yoshinobu Unno, T. Tsuboyama, Sang Hoon Lee, G. S. Varner, M. Starič, R. Itoh, S. Uno, C. Schwanda, K. T. Kim, Y. Onuki, K. Miyabayashi, P. Wang, T. Sanuki, L. E. Piilonen, V. Bhardwaj, Peter Kodys, C. Kiesling, H. Sahoo, Sunmin Ryu, E. Won, K. Senyo, G. Pakhlova, J. Haba, V.M. Aulchenko, Z. Doležal, E. Solovieva, M. Bračko, T. Julius, Po-Hsun Chen, R. Chistov, Samo Stanič, A. M. Bakich, T. Ohshima, N. Gabyshev, H. Hayashii, K. Inami, A. Chen, M. Shapkin, M. Röhrken, A. Ishikawa, A. Bay, C. W. Park, P. Križan, Andrey Sokolov, J. H. Kang, K. Nishimura, and James E. Fast

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Muon, Meson, 010308 nuclear & particles physics, Electron–positron annihilation, High Energy Physics::Phenomenology, Electron, 01 natural sciences, Lepton number, Nuclear physics, KEKB, Tau neutrino, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, Lepton
Abstract

We search for lepton-flavor and lepton-number-violating τ decays into a lepton (l= electron or muon) and two charged mesons ( h , h ′ = π ± or K ± ) using 854 fb − 1 of data collected with the Belle detector at the KEKB asymmetric-energy e + e − collider. We obtain 90% confidence level upper limits on the τ → l h h ′ branching fractions in the range ( 2.0 – 8.4 ) × 10 − 8 . These results improve upon our previously published upper limits by factors of about 1.8 on average.

Published
2013
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