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Search for an Invisibly Decaying Z′ Boson at Belle II in e+e- →μ+μ- (e±μ) Plus Missing Energy Final States
Authors :
I, Adachi P, Ahlburg H, Aihara N, Akopov A, Aloisio N, Anh Ky D M, Asner H, Atmacan T, Aushev V, Aushev T, Aziz V, Babu S, Baehr P, Bambade Sw, Banerjee V, Bansal M, Barrett J, Baudot J, Becker P K, Behera J V, Bennett E, Bernieri F U, Bernlochner M, Bertemes M, Bessner S, Bettarini F, Bianchi D, Biswas A, Bozek M, Bračko P, Branchini R A, Briere T E, Browder A, Budano L, Burmistrov S, Bussino M, Campajola L, Cao G, Casarosa C, Cecchi D, Červenkov M-C, Chang R, Cheaib V, Chekelian Y Q, Chen Y-T, Chen B G, Cheon K, Chilikin K, Cho S, 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 Nardo M, De Nuccio G, De Pietro R, de Sangro M, Destefanis S, Dey A, De Yta-Hernandez F, Di Capua Z, Doležal I, Domínguez Jiménez T V, Dong K, Dort D, Dossett S, Dubey S, Duell G, Dujany S, Eidelman M, Eliachevitch J E, Fast T, Ferber D, Ferlewicz G, Finocchiaro S, Fiore A, Fodor F, Forti B G, Fulsom E, Ganiev M, Garcia-Hernandez R, Garg V, Gaur A, Gaz A, Gellrich J, Gemmler T, Geßler R, Giordano A, Giri B, Gobbo R, Godang P, Goldenzweig B, Golob P, Gomis W, Gradl E, Graziani D, Greenwald Y, Guan C, Hadjivasiliou S, Halder T, Hara O, Hartbrich K, Hayasaka H, Hayashii C, Hearty M T, Hedges I, Heredia de la Cruz M, Hernández Villanueva A, Hershenhorn T, Higuchi E C, Hill M, Hoek C-L, Hsu Y, Hu T, Iijima K, Inami G, Inguglia J, Irakkathil Jabbar A, Ishikawa R, Itoh Y, Iwasaki W W, Jacobs D E, Jaffe E-J, Jang H B, Jeon S, Jia Y, Jin C, Joo K K, Joo J, Kahn H, Kakuno A B, Kaliyar J, Kandra G, Karyan Y, Kato T, Kawasaki B H, Kim C-H, Kim D Y, Kim K-H, Kim S-H, Kim Y K, Kim Y, Kim T D, Kimmel H, Kindo C, Kleinwort P, Kodyš T, Koga S, Kohani I, Komarov S, Korpar N, Kovalchuk T M G, Kraetzschmar P, Križan R, Kroeger P, Krokovny T, Kuhr J, Kumar M, Kumar R, Kumar K, Kumara S, Kurz A, Kuzmin Y-J, Kwon S, Lacaprara C, La Licata L, Lanceri J S, Lange K, Lautenbach I-S, Lee S C, Lee P, Leitl D, Levit L K, Li Y B, Li J, Libby K, Lieret L, Li Gioi Z, Liptak Q Y, Liu D, Liventsev S, Longo T, Luo Y, Maeda M, Maggiora E, Manoni S, Marcello C, Marinas A, Martini M, Masuda T, Matsuda K, Matsuoka D, Matvienko F, Meggendorfer J C, Mei F, Meier M, Merola F, Metzner M, Milesi C, Miller K, Miyabayashi H, Miyake R, Mizuk K, Azmi G B, Mohanty T, Moon T, Morii H-G, Moser F, Mueller F J, Müller Th, Muller G, Muroyama R, Mussa E, Nakano M, Nakao M, Nayak G, Nazaryan D, Neverov C, Niebuhr N K, Nisar S, Nishida K, Nishimura M, Nishimura B, Oberhof K, Ogawa Y, Onishchuk H, Ono Y, Onuki P, Oskin H, Ozaki P, Pakhlov G, Pakhlova A, Paladino A, Panta E, Paoloni H, Park B, Paschen A, Passeri A, Pathak S, Paul T K, Pedlar I, Peruzzi R, Peschke R, Pestotnik M, Piccolo L E, Piilonen V, Popov C, Praz E, Prencipe M T, Prim M V, Purohit P, Rados R, Rasheed S, Reiter M, Remnev P K, Resmi I, Ripp-Baudot M, Ritter G, Rizzo L B, Rizzuto S H, Robertson D, Rodríguez Pérez J M, Roney C, Rosenfeld A, Rostomyan N, Rout G, Russo D, Sahoo Y, Sakai S, Sandilya A, Sangal L, Santelj P, Sartori Y, Sato V, Savinov B, Scavino J, Schueler C, Schwanda R M, Seddon Y, Seino A, Selce K, Senyo C, Sfienti C P, Shen 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 T, Sumiyoshi D J, Summers S Y, Suzuki M, Tabata M, Takizawa U, Tamponi S, Tanaka K, Tanida N, Taniguchi P, Taras F, Tenchini E, Torassa K, Trabelsi T, Tsuboyama M, Uchida K, Unger Y, Unno S, Uno Y, Ushiroda S E, Vahsen R, van Tonder G S, Varner K E, Varvell A, Vinokurova L, Vitale A, Vossen M, Wakai H M, Wakeling W, Wan Abdullah C H, Wang M-Z, Wang A, Warburton M, Watanabe J, Webb S, Wehle C, Wessel J, Wiechczynski H, Windel E, Won B, Yabsley S, Yamada W, Yan S B, Yang H, Ye J H, Yin M, Yonenaga C Z, Yuan Y, Yusa L, Zani Z, Zhang V, Zhilich Q D, Zhou X Y, Zhou V I, Zhukova Adachi, I. Ahlburg, P. Aihara, H. Akopov, N. Aloisio, A. Anh Ky, N. Asner, D. M. Atmacan, H. Aushev, T. Aushev, V. Aziz, T. Babu, V. Baehr, S. Bambade, P. Banerjee, Sw. Bansal, V. Barrett, M. Baudot, J. Becker, J. Behera, P. K. Bennett, J. V. Bernieri, E. Bernlochner, F. U. Bertemes, M. Bessner, M. Bettarini, S. Bianchi, F. Biswas, D. Bozek, A. Bračko, M. Branchini, P. Briere, R. A. Browder, T. E. Budano, A. Burmistrov, L. Bussino, S. Campajola, M. Cao, L. Casarosa, G. Cecchi, C. Červenkov, D. Chang, M. -C. Cheaib, R. Chekelian, V. Chen, Y. Q. Chen, Y. -T. Cheon, B. G. Chilikin, K. Cho, K. Cho, S. Choi, S. -K. Choudhury, S. Cinabro, D. Corona, L. Cremaldi, L. M. Cunliffe, S. Czank, T. Dattola, F. De La Cruz-Burelo, E. De Nardo, G. De Nuccio, M. De Pietro, G. de Sangro, R. Destefanis, M. Dey, S. De Yta-Hernandez, A. Di Capua, F. Doležal, Z. Domínguez Jiménez, I. Dong, T. V. Dort, K. Dossett, D. Dubey, S. Duell, S. Dujany, G. Eidelman, S. Eliachevitch, M. Fast, J. E. Ferber, T. Ferlewicz, D. Finocchiaro, G. Fiore, S. Fodor, A. Forti, F. Fulsom, B. G. Ganiev, E. Garcia-Hernandez, M. Garg, R. Gaur, V. Gaz, A. Gellrich, A. Gemmler, J. Geßler, T. Giordano, R. Giri, A. Gobbo, B. Godang, R. Goldenzweig, P. Golob, B. Gomis, P. Gradl, W. Graziani, E. Greenwald, D. Guan, Y. Hadjivasiliou, C. Halder, S. Hara, T. Hartbrich, O. Hayasaka, K. Hayashii, H. Hearty, C. Hedges, M. T. Heredia de la Cruz, I. Hernández Villanueva, M. Hershenhorn, A. Higuchi, T. Hill, E. C. Hoek, M. Hsu, C. -L. Hu, Y. Iijima, T. Inami, K. Inguglia, G. Irakkathil Jabbar, J. Ishikawa, A. Itoh, R. Iwasaki, Y. Jacobs, W. W. Jaffe, D. E. Jang, E. -J. Jeon, H. B. Jia, S. Jin, Y. Joo, C. Joo, K. K. Kahn, J. Kakuno, H. Kaliyar, A. B. Kandra, J. Karyan, G. Kato, Y. Kawasaki, T. Kim, B. H. Kim, C. -H. Kim, D. Y. Kim, K. -H. Kim, S. -H. Kim, Y. K. Kim, Y. Kimmel, T. D. Kindo, H. Kleinwort, C. Kodyš, P. Koga, T. Kohani, S. Komarov, I. Korpar, S. Kovalchuk, N. Kraetzschmar, T. M. G. Križan, P. Kroeger, R. Krokovny, P. Kuhr, T. Kumar, J. Kumar, M. Kumar, R. Kumara, K. Kurz, S. Kuzmin, A. Kwon, Y. -J. Lacaprara, S. La Licata, C. Lanceri, L. Lange, J. S. Lautenbach, K. Lee, I. -S. Lee, S. C. Leitl, P. Levit, D. Li, L. K. Li, Y. B. Libby, J. Lieret, K. Li Gioi, L. Liptak, Z. Liu, Q. Y. Liventsev, D. Longo, S. Luo, T. Maeda, Y. Maggiora, M. Manoni, E. Marcello, S. Marinas, C. Martini, A. Masuda, M. Matsuda, T. Matsuoka, K. Matvienko, D. Meggendorfer, F. Mei, J. C. Meier, F. Merola, M. Metzner, F. Milesi, M. Miller, C. Miyabayashi, K. Miyake, H. Mizuk, R. Azmi, K. Mohanty, G. B. Moon, T. Morii, T. Moser, H. -G. Mueller, F. Müller, F. J. Muller, Th. Muroyama, G. Mussa, R. Nakano, E. Nakao, M. Nayak, M. Nazaryan, G. Neverov, D. Niebuhr, C. Nisar, N. K. Nishida, S. Nishimura, K. Nishimura, M. Oberhof, B. Ogawa, K. Onishchuk, Y. Ono, H. Onuki, Y. Oskin, P. Ozaki, H. Pakhlov, P. Pakhlova, G. Paladino, A. Panta, A. Paoloni, E. Park, H. Paschen, B. Passeri, A. Pathak, A. Paul, S. Pedlar, T. K. Peruzzi, I. Peschke, R. Pestotnik, R. Piccolo, M. Piilonen, L. E. Popov, V. Praz, C. Prencipe, E. Prim, M. T. Purohit, M. V. Rados, P. Rasheed, R. Reiter, S. Remnev, M. Resmi, P. K. Ripp-Baudot, I. Ritter, M. Rizzo, G. Rizzuto, L. B. Robertson, S. H. Rodríguez Pérez, D. Roney, J. M. Rosenfeld, C. Rostomyan, A. Rout, N. Russo, G. Sahoo, D. Sakai, Y. Sandilya, S. Sangal, A. Santelj, L. Sartori, P. Sato, Y. Savinov, V. Scavino, B. Schueler, J. Schwanda, C. Seddon, R. M. Seino, Y. Selce, A. Senyo, K. Sfienti, C. Shen, C. P. Shiu, J. -G. Shwartz, B. Sibidanov, A. Simon, F. Sobie, R. J. Soffer, A. Sokolov, A. Solovieva, E. Spataro, S. Spruck, B. Starič, M. Stefkova, S. Stottler, Z. S. Stroili, R. Strube, J. Sumihama, M. Sumiyoshi, T. Summers, D. J. Suzuki, S. Y. Tabata, M. Takizawa, M. Tamponi, U. Tanaka, S. Tanida, K. Taniguchi, N. Taras, P. Tenchini, F. Torassa, E. Trabelsi, K. Tsuboyama, T. Uchida, M. Unger, K. Unno, Y. Uno, S. Ushiroda, Y. Vahsen, S. E. van Tonder, R. Varner, G. S. Varvell, K. E. Vinokurova, A. Vitale, L. Vossen, A. Wakai, M. Wakeling, H. M. Wan Abdullah, W. Wang, C. H. Wang, M. -Z. Warburton, A. Watanabe, M. Webb, J. Wehle, S. Wessel, C. Wiechczynski, J. Windel, H. Won, E. Yabsley, B. Yamada, S. Yan, W. Yang, S. B. Ye, H. Yin, J. H. Yonenaga, M. Yuan, C. Z. Yusa, Y. Zani, L. Zhang, Z. Zhilich, V. Zhou, Q. D. Zhou, X. Y. Zhukova, V. I.
Publication Year :
2020
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^{±}μ^{∓}Z^{'}. 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 L_{μ}-L_{τ} theory, into upper limits on the Z^{'} coupling constant at the level of 5×10^{-2}-1 for M_{Z^{'}}≤6 GeV/c^{2}.
Details
Language :
English
Database :
OpenAIRE
Accession number :
edsair.pmid.dedup....49df1f72a3766cc8b788e2814a3d7520