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2,719 results on '"Ustinov V."'

1. Using graph neural networks to reconstruct charged pion showers in the CMS High Granularity Calorimeter

Author

Aamir, M., Adamov, G., Adams, T., Adloff, C., Afanasiev, S., Agrawal, C., Ahmad, A., Ahmed, H. A., Akbar, S., Akchurin, N., Akgul, B., Akgun, B., Akpinar, R. O., Aktas, E., Kadhim, A. Al, Alexakhin, V., Alimena, J., Alison, J., Alpana, A., Alshehri, W., Dominguez, P. Alvarez, Alyari, M., Amendola, C., Amir, R. B., Andersen, S. B., Andreev, Y., Antoszczuk, P. D., Aras, U., Ardila, L., Aspell, P., Avila, M., Awad, I., Aydilek, O., Azimi, Z., Pretel, A. Aznar, Bach, O. A., Bainbridge, R., Bakshi, A., Bam, B., Banerjee, S., Barney, D., Bayraktar, O., Beaudette, F., Beaujean, F., Becheva, E., Behera, P. K., Belloni, A., Bergauer, T., Besancon, M., Bylund, O. Bessidskaia, Bhatt, L., Bhattacharya, S., Bhowmil, D., Blekman, F., Blinov, P., Bloch, P., Bodek, A., Boger, a., Bonnemaison, A., Bouyjou, F., Brennan, L., Brondolin, E., Brusamolino, A., Bubanja, I., Perraguin, A. Buchot, Bunin, P., Misura, A. Burazin, Butler-nalin, A., Cakir, A., Callier, S., Campbell, S., Candemir, Y. B., Canderan, K., Cankocak, K., Cappati, A., Caregari, S., Carron, S., Carty, C., Cauchois, A., Ceard, L., Cerci, S., Chang, P. J., Chatterjee, R. M., Chatterjee, S., Chattopadhyay, P., Chatzistavrou, T., Chaudhary, M. S., Chen, J. A., Chen, J., Chen, Y., Cheng, K., Cheung, H., Chhikara, J., Chiron, A., Chiusi, M., Chokheli, D., Chudasama, R., Clement, E., Mendez, S. Coco, Coko, D., Coskun, K., Couderc, F., Crossman, B., Cui, Z., Cuisset, T., Cummings, G., Curtis, E. M., D'Alfonso, M., Döhler-Ball, J., Dadazhanova, O., Damgov, J., Das, I., Gupta, S. Das, Dauncey, P., Mendes, A. David Tinoco, Davies, G., Davignon, O., de Barbaro, P., De La Taille, C., De Silva, M., De Wit, A., Debbins, P., Defranchis, M. M., Delagnes, E., Devouge, P., Di Guglielmo, G., Diehl, L., Dilsiz, K., Dincer, G. G., Dittmann, J., Dragicevic, M., Du, D., Dubinchik, B., Dugad, S., Dulucq, F., Dumanoglu, I., Duran, B., Dutta, S., Dutta, V., Dychkant, A., Dünser, M., Edberg, T., Ehle, I. T., Berni, A. El, Elias, F., Eno, S. C., Erdogan, E. N., Erkmen, B., Ershov, Y., Ertorer, E. Y., Extier, S., Eychenne, L., Fedar, Y. E., Fedi, G., De Almeida, J. P. Figueiredo De Sá Sousa, Alves, B. A. Fontana Santos, Frahm, E., Francis, K., Freeman, J., French, T., Gaede, F., Gandhi, P. K., Ganjour, S., Garcia-Bellido, A., Gastaldi, F., Gazi, L., Gecse, Z., Gerwig, H., Gevin, O., Ghosh, S., Gill, K., Gingu, C., Gleyzer, S., Godinovic, N., Goettlicher, P., Goff, R., Gok, M., Golunov, A., Gonultas, B., Martínez, J. D. González, Gorbounov, N., Gouskos, L., Gray, A., Gray, L., Grieco, C., Groenroos, S., Groner, D., Gruber, A., Grummer, A., Grönroos, S., Guerrero, D., Guilloux, F., Guler, Y., Gungordu, A. D., Guo, J., Guo, K., Guler, E. Gurpinar, Gutti, H. K., Guvenli, A. A., Gülmez, E., Hacisahinoglu, B., Halkin, Y., Machado, G. Hamilton Ilha, Hare, H. S., Hatakeyama, K., Heering, A. H., Hegde, V., Heintz, U., Hinton, N., Hinzmann, A., Hirschauer, J., Hitlin, D., Hoff, J., Hos, İ., Hou, B., Hou, X., Howard, A., Howe, C., Hsieh, H., Hsu, T., Hua, H., Hummer, F., Imran, M., Incandela, J., Iren, E., Isildak, B., Jackson, P. S., Jackson, W. J., Jain, S., Jana, P., Jaroslavceva, J., Jena, S., Jige, A., Jordano, P. P., Joshi, U., Kaadze, K., Kachanov, V., Kafizov, A., Kalipoliti, L., Tharayil, A. Kallil, Kaluzinska, O., Kamble, S., Kaminskiy, A., Kanemura, M., Kanso, H., Kao, Y., Kapic, A., Kapsiak, C., Karjavine, V., Karmakar, S., Karneyeu, A., Kaya, M., Topaksu, A. Kayis, Kaynak, B., Kazhykarim, Y., Khan, F. A., Khudiakov, A., Kieseler, J., Kim, R. S., Klijnsma, T., Kloiber, E. G., Klute, M., Kocak, Z., Kodali, K. R., Koetz, K., Kolberg, T., Kolcu, O. B., Komaragiri, J. R., Komm, M., Kopsalis, I., Krause, H. A., Krawczyk, M. A., Vinayakam, T. R. Krishnaswamy, Kristiansen, K., Kristic, A., Krohn, M., Kronheim, B., Krüger, K., Kudtarkar, C., Kulis, S., Kumar, M., Kumar, N., Kumar, S., Verma, R. Kumar, Kunori, S., Kunts, A., Kuo, C., Kurenkov, A., Kuryatkov, V., Kyre, S., Ladenson, J., Lamichhane, K., Landsberg, G., Langford, J., Laudrain, A., Laughlin, R., Lawhorn, J., Dortz, O. Le, Lee, S. W., Lektauers, A., Lelas, D., Leon, M., Levchuk, L., Li, A. J., Li, J., Li, Y., Liang, Z., Liao, H., Lin, K., Lin, W., Lin, Z., Lincoln, D., Linssen, L., Litomin, A., Liu, G., Liu, Y., Lobanov, A., Lohezic, V., Loiseau, T., Lu, C., Lu, R., Lu, S. Y., Lukens, P., Mackenzie, M., Magnan, A., Magniette, F., Mahjoub, A., Mahon, D., Majumder, G., Makarenko, V., Malakhov, A., Malgeri, L., Mallios, S., Mandloi, C., Mankel, A., Mannelli, M., Mans, J., Mantilla, C., Martinez, G., Massa, C., Masterson, P., Matthewman, M., Matveev, V., Mayekar, S., Mazlov, I., Mehta, A., Mestvirishvili, A., Miao, Y., Milella, G., Mirza, I. R., Mitra, P., Moccia, S., Mohanty, G. B., Monti, F., Moortgat, F., Murthy, S., Music, J., Musienko, Y., Nabili, S., Nelson, J. W., Nema, A., Neutelings, I., Niedziela, J., Nikitenko, A., Noonan, D., Noy, M., Nurdan, K., Obraztsov, S., Ochando, C., Ogul, H., Olsson, J., Onel, Y., Ozkorucuklu, S., Paganis, E., Palit, P., Pan, R., Pandey, S., Pantaleo, F., Papageorgakis, C., Paramesvaran, S., Paranjpe, M. M., Parolia, S., Parsons, A. G., Parygin, P., Pastika, J., Paulini, M., Paus, C., Castillo, K. Peñaló, Pedro, K., Pekic, V., Peltola, T., Peng, B., Perego, A., Perini, D., Petrilli, A., Pham, H., Podem, S. K., Popov, V., Portales, L., Potok, O., Pradeep, P. B., Pramanik, R., Prosper, H., Prvan, M., Qasim, S. R., Qu, H., Quast, T., Trivio, A. Quiroga, Rabour, L., Raicevic, N., Rao, M. A., Rapacz, K., Redjeb, W., Reinecke, M., Revering, M., Roberts, A., Rohlf, J., Rosado, P., Rose, A., Rothman, S., Rout, P. K., Rovere, M., Roy, A., Rubinov, P., Rumerio, P., Rusack, R., Rygaard, L., Ryjov, V., Sadivnycha, S., Sahin, M. Ö., Sakarya, U., Salerno, R., Saradhy, R., Saraf, M., Sarbandi, K., Sarkisla, M. A., Satyshev, I., Saud, N., Sauvan, J., Schindler, G., Schmidt, A., Schmidt, I., Schmitt, M. H., Sculac, A., Sculac, T., Sedelnikov, A., Seez, C., Sefkow, F., Selivanova, D., Selvaggi, M., Sergeychik, V., Sert, H., Shahid, M., Sharma, P., Sharma, R., Sharma, S., Shelake, M., Shenai, A., Shih, C. W., Shinde, R., Shmygol, D., Shukla, R., Sicking, E., Silva, P., Simsek, C., Simsek, E., Sirasva, B. K., Sirois, Y., Song, S., Song, Y., Soudais, G., Sriram, S., Jacques, R. R. St, Leiton, A. G. Stahl, Steen, A., Stein, J., Strait, J., Strobbe, N., Su, X., Sukhov, E., Suleiman, A., Cerci, D. Sunar, Suryadevara, P., Swain, K., Syal, C., Tali, B., Tanay, K., Tang, W., Tanvir, A., Tao, J., Tarabini, A., Tatli, T., Taylor, R., Taysi, Z. C., Teafoe, G., Tee, C. Z., Terrill, W., Thienpont, D., Thomas, P. E., Thomas, R., Titov, M., Todd, C., Todd, E., Toms, M., Tosun, A., Troska, J., Tsai, L., Tsamalaidze, Z., Tsionou, D., Tsipolitis, G., Tsirigoti, M., Tu, R., Polat, S. N. Tural, Undleeb, S., Usai, E., Uslan, E., Ustinov, V., Uzunian, A., Vernazza, E., Viahin, O., Viazlo, O., Vichoudis, P., Vijay, A., Virdee, T., Voirin, E., Vojinovic, M., Vámi, T. Á., Wade, A., Walter, D., Wang, C., Wang, F., Wang, J., Wang, K., Wang, X., Wang, Y., Wang, Z., Wanlin, E., Wayne, M., Wetzel, J., Whitbeck, A., Wickwire, R., Wilmot, D., Wilson, J., Wu, H., Xiao, M., Yang, J., Yazici, B., Ye, Y., Yerli, B., Yetkin, T., Yi, R., Yohay, R., Yu, T., Yuan, C., Yuan, X., Yuksel, O., YushmanoV, I., Yusuff, I., Zabi, A., Zareckis, D., Zehetner, P., Zghiche, A., Zhang, C., Zhang, D., Zhang, H., Zhang, J., Zhang, Z., Zhao, X., Zhong, J., Zhou, Y., and Zorbilmez, Ç.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment, Physics - Data Analysis, Statistics and Probability
Abstract

A novel method to reconstruct the energy of hadronic showers in the CMS High Granularity Calorimeter (HGCAL) is presented. The HGCAL is a sampling calorimeter with very fine transverse and longitudinal granularity. The active media are silicon sensors and scintillator tiles readout by SiPMs and the absorbers are a combination of lead and Cu/CuW in the electromagnetic section, and steel in the hadronic section. The shower reconstruction method is based on graph neural networks and it makes use of a dynamic reduction network architecture. It is shown that the algorithm is able to capture and mitigate the main effects that normally hinder the reconstruction of hadronic showers using classical reconstruction methods, by compensating for fluctuations in the multiplicity, energy, and spatial distributions of the shower's constituents. The performance of the algorithm is evaluated using test beam data collected in 2018 prototype of the CMS HGCAL accompanied by a section of the CALICE AHCAL prototype. The capability of the method to mitigate the impact of energy leakage from the calorimeter is also demonstrated.

Published
2024
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3. The BM@N spectrometer at the NICA accelerator complex

Author

Afanasiev, S., Agakishiev, G., Aleksandrov, E., Aleksandrov, I., Alekseev, P., Alishina, K., Astakhov, V., Atkin, E., Aushev, T., Azorskiy, V., Babkin, V., Balashov, N., Barak, R., Baranov, A., Baranov, D., Baranova, N., Barbashina, N., Baznat, M., Bazylev, S., Belov, M., Blau, D., Bocharnikov, V., Bogdanova, G., Bolozdynya, A., Bondar, E., Boos, E., Buryakov, M., Buzin, S., Chebotov, A., Chemezov, D., Chen, J. H., Demanov, A., Dementev, D., Dmitriev, A., Drnoyan, J., Dryablov, D., Dryuk, A., Dubinchik, B., Dulov, P., Egorov, A., Egorov, D., Elsha, V., Fediunin, A., Fedosimova, A., Filippov, I., Filozova, I., Finogeev, D., Gabdrakhmanov, I., Galavanov, A., Gavrischuk, O., Gertsenberger, K., Golosov, O., Golovatyuk, V., Grigoriev, P., Golubeva, M., Guber, F., Ibraimova, S., Idrisov, D., Idrissova, T., Iusupova, A., Ivashkin, A., Izvestnyy, A., Kabadzhov, V., Kanokova, Sh., Kapishin, M., Kapitonov, I., Karjavin, V., Karmanov, D., Karpushkin, N., Kattabekov, R., Kekelidze, V., Khabarov, S., Kharlamov, P., Khudaiberdyev, G., Khukhaeva, A., Khvorostukhin, A., Kiryushin, Yu., Klimai, P., Kolesnikov, V., Kolozhvari, A., Kopylov, Yu., Korolev, M., Kovachev, L., Kovalev, I., Kruglova, I., Kovalev, Yu., Kozlov, I., Kozlov, V., Kuklin, S., Kulish, E., Kurganov, A., Kutergina, V., Kuznetsov, A., Ladygin, E., Lanskoy, D., Lashmanov, N., Lebedev, I., Lenivenko, V., Lednicky, R., Leontiev, V., Liapin, D., Litvinenko, E., Ma, Y. G., Makankin, A., Makhnev, A., Malakhov, A., Mamaev, M., Martemianov, A., Martovitsky, E., Mashitsin, K., Merkin, M., Merts, S., Morozov, S., Murin, Yu., Musaev, K., Musulmanbekov, G., Myasnikov, A., Myktybekov, D., Nagdasev, R., Nemnyugin, S., Nikitin, D., Novozhilov, S., Olimov, Kh., Olimov, K., Palichik, V., Parfenov, P., Pelevanyuk, I., Peresunko, D., Piyadin, S., Platonova, M., Plotnikov, V., Podgainy, D., Pukhaeva, N., Ratnikov, F., Reshetova, S., Rogov, V., Romanov, I., Rufanov, I., Rukoyatkin, P., Rumyantsev, M., Rybakov, T., Sakulin, D., Sedykh, S., Serebryakov, D., Shabanov, A., Segal, I., Semak, A., Sergeev, S., Serikkanov, A., Sheremetev, A., Sheremeteva, A., Shchipunov, A., Shitenkov, M., Shopova, M., Shumikhin, V., Shutov, A., Shutov, V., Shodmonov, M., Slepnev, I., Slepnev, V., Slepov, I., Smirnov, A., Smolyanin, T., Solomin, A., Sorin, A., Sosnovtsev, V., Spaskov, V., Stavinskiy, A., Stekhanov, V., Stepanenko, Yu., Streletskaya, E., Streltsova, O., Strikhanov, M., Sukhov, E., Suvarieva, D., Taer, G., Taranenko, A., Tarasov, N., Tarasov, O., Teremkov, P., Terletsky, A., Teryaev, O., Tcholakov, V., Tikhomirov, V., Timoshenko, A., Tojiboev, O., Topilin, N., Tretyakova, T., Troshin, V., Truttse, A., Tserruya, I., Tskhay, V., Tyapkin, I., Ustinov, V., Vasendina, V., Velichkov, V., Volkov, V., Voronin, A., Voytishin, N., Yuldashev, B., Yurevich, V., Zamiatin, N., Zavertyaev, M., Zhang, S., Zhavoronkova, I., Zhezher, V., Zhigareva, N., Zinchenko, A., Zubankov, A., Zubarev, E., and Zuev, M.

Subjects
High Energy Physics - Experiment, Physics - Instrumentation and Detectors
Abstract

BM@N (Baryonic Matter at Nuclotron) is the first experiment operating and taking data at the Nuclotron/NICA ion-accelerating complex.The aim of the BM@N experiment is to study interactions of relativistic heavy-ion beams with fixed targets. We present a technical description of the BM@N spectrometer including all its subsystems., Comment: 34 pages, 47 figures, 6 tables

Published
2023

5. Three-Arm Spectrometer Scan-3 on Nuclotron Internal Targets

Author

Afanas’yev, S. V., Anisimov, Yu. S., Baskov, V. A., Dryablov, D. K., Dubinchik, B. V., Gmutsa, Sh., Kliman, Ya., Kolesnikov, R. Yu., Krechetov, Yu. F., Kutinova, O. V., Kuznetsov, A. S., L’vov, A. I., Malakhov, A. I., Mateushek, V., Polyanskii, V. V., Sakulin, D. G., Sidorin, S. S., Smirnov, V. A., Sukhov, E. V., Ustinov, V. V., Vartik, V., and Vocal, S.

Published
2024
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8. Nanocomposites based on opal matrixes with 3D-structure formed by mangnetic nanoparticles

Author

Rinkevich A. B., Ustinov V. V., Samoilovich M. I., Belyanin А. F., Klescheva S. M., and Kuznetsov E. A.

Subjects
opal matrixes, nanostructure, magnetic properties, Electrical engineering. Electronics. Nuclear engineering, TK1-9971
Abstract

Interaction of electromagnetic waves with nanocomposites of materials obtained by doping of opal matrixes with nickel-zinc and manganese-zinc ferrite has been studied. The opal matrixes contain of SiO2 nanospheres with diameter about 250 nm with ferrite nanoparticles in the nanosphere voids. The measurements are carried out in frequency range from 26 to 38 GHz in magnetic fields up to 30 kOe. It was shown that magnetic resonance in the doped matrix is the main reason for microwave variations.

Published
2008

9. Performance of the CMS High Granularity Calorimeter prototype to charged pion beams of 20$-$300 GeV/c

Author

Acar, B., Adamov, G., Adloff, C., Afanasiev, S., Akchurin, N., Akgün, B., Alhusseini, M., Alison, J., de Almeida, J. P. Figueiredo de sa Sousa, de Almeida, P. G. Dias, Alpana, A., Alyari, M., Andreev, I., Aras, U., Aspell, P., Atakisi, I. O., Bach, O., Baden, A., Bakas, G., Bakshi, A., Banerjee, S., DeBarbaro, P., Bargassa, P., Barney, D., Beaudette, F., Beaujean, F., Becheva, E., Becker, A., Behera, P., Belloni, A., Bergauer, T., Berni, M. El, Besancon, M., Bhattacharya, S., Bhowmik, D., Bilki, B., Bilokin, S., Blazey, G. C., Blekman, F., Bloch, P., Bodek, A., Bonanomi, M., Bonis, J., Bonnemaison, A., Bonomally, S., Borg, J., Bouyjou, F., Bower, N., Braga, D., Brennan, L., Brianne, E., Brondolin, E., Bryant, P., Buhmann, E., Buhmann, P., Butler-Nalin, A., Bychkova, O., Callier, S., Calvet, D., Canderan, K., Cankocak, K., Cao, X., Cappati, A., Caraway, B., Caregari, S., Carty, C., Cauchois, A., Ceard, L., Cerci, D. S., Cerci, S., Cerminara, G., Chadeeva, M., Charitonidis, N., Chatterjee, R., Chen, J. A., Chen, Y. M., Cheng, H. J., Cheng, K. Y., Cheung, H., Chokheli, D., Cipriani, M., Čoko, D., Couderc, F., Cuba, E., Danilov, M., Dannheim, D., Daoud, W., Das, I., Dauncey, P., Davies, G., Davignon, O., Day, E., Debbins, P., Defranchis, M. M., Delagnes, E., Demiragli, Z., Demirbas, U., Derylo, G., Diaz, D., Diehl, L., Dinaucourt, P., Dincer, G. G., Dittmann, J., Dragicevic, M., Dugad, S., Dulucq, F., Dumanoglu, I., Dünser, M., Dutta, S., Dutta, V., Edberg, T. K., Elias, F., Emberger, L., Eno, S. C., Ershov, Yu., Extier, S., Fahim, F., Fallon, C., Fard, K. Sarbandi, Fedi, G., Ferragina, L., Forthomme, L., Frahm, E., Franzoni, G., Freeman, J., French, T., Gadow, K., Gandhi, P., Ganjour, S., Gao, X., Garcia, M. T. Ramos, Garcia-Bellido, A., Garutti, E., Gastaldi, F., Gastler, D., Gecse, Z., Germer, A., Gerwig, H., Gevin, O., Ghosh, S., Gilbert, A., Gilbert, W., Gill, K., Gingu, C., Gninenko, S., Golunov, A., Golutvin, I., Gonultas, B., Gorbounov, N., Göttlicher, P., Gouskos, L., Graf, C., Gray, A. B., Grieco, C., Gr\"önroos, S., Gu, Y., Guilloux, F., Guler, E. Gurpinar, Guler, Y., Gülmez, E., Guo, J., Gutti, H., Hakimi, A., Hammer, M., Hartbrich, O., Hassanshahi, H. M., Hatakeyama, K., Hazen, E., Heering, A., Hegde, V., Heintz, U., Heuchel, D., Hinton, N., Hirschauer, J., Hoff, J., Hou, W. S., Hou, X., Hua, H., Huck, S., Hussain, A., Incandela, J., Irles, A., Irshad, A., Isik, C., Jain, S., Jaroslavceva, J., Jheng, H. R., Joshi, U., Kaadze, K., Kachanov, V., Kalipoliti, L., Kaminskiy, A., Kanuganti, A. R., Kao, Y. W., Kapoor, A., Kara, O., Karneyeu, A., Kałuzińska, O., Kaya, M., Kaya, O., Kazhykharim, Y., Khan, F. A., Khukhunaishvili, A., Kieseler, J., Kilpatrick, M., Kim, S., Koetz, K., Kolberg, T., Komm, M., Köseyan, O. K., Kraus, V., Krawczyk, M., Kristiansen, K., Kristić, A., Krohn, M., Kronheim, B., Krüger, K., Kulis, S., Kumar, M., Kunori, S., Kuo, C. M., Kuryatkov, V., Kvasnicka, J., Kyre, S., Lai, Y., Lamichhane, K., Landsberg, G., Lange, C., Langford, J., Laurien, S., Lee, M. Y., Lee, S. W., Leiton, A. G. Stahl, Levin, A., Li, A., Li, J. H., Li, Y. Y., Liang, Z., Liao, H., Lin, Z., Lincoln, D., Linssen, L., Lipton, R., Liu, G., Liu, Y., Lobanov, A., Lohezic, V., Lomidze, D., Lu, R. S., Lu, S., Lupi, M., Lysova, I., Magnan, A. -M., Magniette, F., Mahjoub, A., Martens, S., Matysek, M., Meier, B., Malakhov, A., Mallios, S., Mandjavize, I., Mannelli, M., Mans, J., Marchioro, A., Martelli, A., Martinez, G., Masterson, P., Matthewman, M., Mayekar, S. N., David, A., Coco, S., Meng, B., Menkel, A ., Mestvirishvili, A., Milella, G., Mirza, I., Moccia, S., Mohanty, G. B., Monti, F., Moortgat, F. W., Morrissey, I., Motta, J., Murthy, S., Musić, J., Musienko, Y., Nabili, S., Nguyen, M., Nikitenko, A., Noonan, D., Noy, M., Nurdan, K., Nursanto, M. Wulansatiti, Ochando, C., Odell, N., Okawa, H., Onel, Y., Ortez, W., Ozegović, J., Ozkorucuklu, S., Paganis, E., Palmer, C. A., Pandey, S., Pantaleo, F., Papageorgakis, C., Papakrivopoulos, I., Paranjpe, M., Parshook, J., Pastika, N., Paulini, M., Peitzmann, T., Peltola, T., Peng, N., Perraguin, A. Buchot, Petiot, P., Pierre-Emile, T., Pinto, M. Vicente Barreto, Popova, E., Pöschl, R., Prosper, H., Prvan, M., Puljak, I., Qasim, S. R., Qu, H., Quast, T., Quinn, R., Quinnan, M., Rane, A., Rao, K. K., Rapacz, K., Raux, L., Redjeb, W., Reinecke, M., Revering, M., Richard, F., Roberts, A., Sanchez, A. M., Rohlf, J., Rolph, J., Romanteau, T., Rosado, M., Rose, A., Rovere, M., Roy, A., Rubinov, P., Rusack, R., Rusinov, V., Ryjov, V., Sahin, O. M., Salerno, R., Saradhy, R., Sarkar, T., Sarkisla, M. A., Sauvan, J. B., Schmidt, I., Schmitt, M., Schuwalow, S., Scott, E., Seez, C., Sefkow, F., Selivanova, D., Sharma, S., Shelake, M., Shenai, A., Shukla, R., Sicking, E., De, M., Silva, P., Simkina, P., Simon, F., Simsek, A. E., Sirois, Y., Smirnov, V., Sobering, T. J., Spencer, E., Srimanobhas, N., Steen, A., Strait, J., Strobbe, N., Su, X. F., Sudo, Y., Suarez, C. Mantilla, Sukhov, E., Sulak, L., Sun, L., Suryadevara, P., Syal, C., de La Taille, C., Tali, B., Tan, C. L., Tao, J., Tarabini, A., Tatli, T., Thaus, R., Taylor, R. D., Tekten, S., Thiebault, A., Thienpont, D., Tiley, C., Tiras, E., Titov, M., Tlisov, D., Tok, U. G., Kayis, A., Troska, J., Tsai, L. S., Tsamalaidze, Z., Tsipolitis, G., Tsirou, A., Undleeb, S., Urbanski, D., Uslan, E., Ustinov, V., Uzunian, A., Varela, J., Velasco, M., Vernazza, E., Viazlo, O., Vichoudis, P., Virdee, T., Voirin, E., Vojinovi\c, M., Vojinovic, M., Wade, A., Wang, C., Wang, C. C., Wang, D., Wang, F., Wang, X., Wang, Z., Wayne, M., Webb, S. N., Whitbeck, A., Wickwire, R., Wilson, J. S., Wu, H. Y., Wu, L., Xiao, M., Yang, J., Yeh, C. H, Yohay, R., Yu, D., Yu, S. S., Yuan, C., Miao, Y., Yumiceva, F., Yusuff, I., Zabi, A., Zacharopoulou, A., Zamiatin, N., Zarubin, A., Zehetner, P., Zerwas, D., Zhang, H., Zhang, J., Zhang, Y., Zhang, Z., and Zhao, X.

Subjects
Physics - Instrumentation and Detectors
Abstract

The upgrade of the CMS experiment for the high luminosity operation of the LHC comprises the replacement of the current endcap calorimeter by a high granularity sampling calorimeter (HGCAL). The electromagnetic section of the HGCAL is based on silicon sensors interspersed between lead and copper (or copper tungsten) absorbers. The hadronic section uses layers of stainless steel as an absorbing medium and silicon sensors as an active medium in the regions of high radiation exposure, and scintillator tiles directly readout by silicon photomultipliers in the remaining regions. As part of the development of the detector and its readout electronic components, a section of a silicon-based HGCAL prototype detector along with a section of the CALICE AHCAL prototype was exposed to muons, electrons and charged pions in beam test experiments at the H2 beamline at the CERN SPS in October 2018. The AHCAL uses the same technology as foreseen for the HGCAL but with much finer longitudinal segmentation. The performance of the calorimeters in terms of energy response and resolution, longitudinal and transverse shower profiles is studied using negatively charged pions, and is compared to GEANT4 predictions. This is the first report summarizing results of hadronic showers measured by the HGCAL prototype using beam test data., Comment: Accepted for publication by JINST

Published
2022

11. Investigation of the Characteristics of the InGaAs/InAlGaAs Superlattice for 1300 nm Range Vertical-Cavity Surface-Emitting Lasers

Author

Blokhin, S. A., Babichev, A. V., Gladyshev, A. G., Karachinsky, L. Ya., Novikov, I. I., Blokhin, A. A., Bobrov, M. A., Maleev, N. A., Kuzmenkov, A. G., Nadtochiy, A. M., Nevedomskiy, V. N., Andryushkin, V. V., Rochas, S. S., Denisov, D. V., Voropaev, K. O., Zhumaeva, I. O., Ustinov, V. M., Egorov, A. Yu., and Bougrov, V. E.

Published
2023
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21. Response of a CMS HGCAL silicon-pad electromagnetic calorimeter prototype to 20-300 GeV positrons

Author

Acar, B., Adamov, G., Adloff, C., Afanasiev, S., Akchurin, N., Akgün, B., Khan, F. Alam, Alhusseini, M., Alison, J., Alpana, A., Altopp, G., Alyari, M., An, S., Anagul, S., Andreev, I., Aspell, P., Atakisi, I. O., Bach, O., Baden, A., Bakas, G., Bakshi, A., Bannerjee, S., Bargassa, P., Barney, D., Beaudette, F., Beaujean, F., Becheva, E., Becker, A., Behera, P., Belloni, A., Bergauer, T., Besancon, M., Bhattacharya, S., Bhowmik, D., Bilki, B., Bloch, P., Bodek, A., Bonanomi, M., Bonnemaison, A., Bonomally, S., Borg, J., Bouyjou, F., Bower, N., Braga, D., Brashear, J., Brondolin, E., Bryant, P., Perraguin, A. Buchot, Bueghly, J., Burkle, B., Butler-Nalin, A., Bychkova, O., Callier, S., Calvet, D., Cao, X., Cappati, A., Caraway, B., Caregari, S., Cauchois, A., Ceard, L., Cekmecelioglu, Y. C., Cerci, S., Cerminara, G., Chadeeva, M., Charitonidis, N., Chatterjee, R., Chen, Y. M., Chen, Z., Cheng, H. J., Cheng, K. y., Chernichenko, S., Cheung, H., Chien, C. H., Choudhury, S., Čoko, D., Collura, G., Couderc, F., Danilov, M., Dannheim, D., Daoud, W., Dauncey, P., David, A., Davies, G., Davignon, O., Day, E., DeBarbaro, P., De Guio, F., de La Taille, C., De Silva, M., Debbins, P., Defranchis, M. M., Delagnes, E., Berrio, J. M. Deltoro, Derylo, G., de Almeida, P. G. Dias, Diaz, D., Dinaucourt, P., Dittmann, J., Dragicevic, M., Dugad, S., Dulucq, F., Dumanoglu, I., Dutta, V., Dutta, S., Dünser, M., Eckdahl, J., Edberg, T. K., Berni, M. El, Elias, F., Eno, S. C., Ershov, Yu., Everaerts, P., Extier, S., Fahim, F., Fallon, C., Fedi, G., Alves, B. A. Fontana Santos, Frahm, E., Franzoni, G., Freeman, J., French, T., Gandhi, P., Ganjour, S., Gao, X., Garcia-Bellido, A., Gastaldi, F., Gecse, Z., Geerebaert, Y., Gerwig, H., Gevin, O., Ghosh, S., Gilbert, A., Gilbert, W., Gill, K., Gingu, C., Gninenko, S., Golunov, A., Golutvin, I., Gonzalez, T., Gorbounov, N., Gouskos, L., Gray, A. B., Gu, Y., Guilloux, F., Guler, Y., Gülmez, E., Guo, J., Guler, E. Gurpinar, Hammer, M., Hassanshahi, H. M., Hatakeyama, K., Heering, A., Hegde, V., Heintz, U., Hinton, N., Hirschauer, J., Hoff, J., Hou, W. -S., Hou, X., Hua, H., Incandela, J., Irshad, A., Isik, C., Jain, S., Jheng, H. R., Joshi, U., Kachanov, V., Kalinin, A., Kalipoliti, L., Kaminskiy, A., Kapoor, A., Kara, O., Karneyeu, A., Kaya, M., Kaya, O., Topaksu, A. Kayis, Khukhunaishvili, A., Kiesler, J., Kilpatrick, M., Kim, S., Koetz, K., Kolberg, T., Köseyan, O. K., Kristić, A., Krohn, M., Krüger, K., Kulagin, N., Kulis, S., Kunori, S., Kuo, C. M., Kuryatkov, V., Kyre, S., Lai, Y., Lamichhane, K., Landsberg, G., Lange, C., Langford, J., Lee, M. Y., Levin, A., Li, A., Li, B., Li, J. H., Li, Y. y., Liao, H., Lincoln, D., Linssen, L., Lipton, R., Liu, Y., Lobanov, A., Lu, R. -S., Lupi, M., Lysova, I., Magnan, A. -M., Magniette, F., Mahjoub, A., Maier, A. A., Malakhov, A., Mallios, S., Mandjavize, I., Mannelli, M., Mans, J., Marchioro, A., Martelli, A., Martinez, G., Masterson, P., Meng, B., Mengke, T., Mestvirishvili, A., Mirza, I., Moccia, S., Mohanty, G. B., Monti, F., Morrissey, I., Murthy, S., Musić, J., Musienko, Y., Nabili, S., Nagar, A., Nguyen, M., Nikitenko, A., Noonan, D., Noy, M., Nurdan, K., Ochando, C., Odegard, B., Odell, N., Okawa, H., Onel, Y., Ortez, W., Ozegović, J., Ozkorucuklu, S., Paganis, E., Pagenkopf, D., Palladino, V., Pandey, S., Pantaleo, F., Papageorgakis, C., Papakrivopoulos, I., Parshook, J., Pastika, N., Paulini, M., Paulitsch, P., Peltola, T., Gomes, R. Pereira, Perkins, H., Petiot, P., Pierre-Emile, T., Pitters, F., Popova, E., Prosper, H., Prvan, M., Puljak, I., Qu, H., Quast, T., Quinn, R., Quinnan, M., Garcia, M. T. Ramos, Rao, K. K., Rapacz, K., Raux, L., Reichenbach, G., Reinecke, M., Revering, M., Roberts, A., Romanteau, T., Rose, A., Rovere, M., Roy, A., Rubinov, P., Rusack, R., Rusinov, V., Ryjov, V., Sahin, O. M., Salerno, R., Rodriguez, A. M. Sanchez, Saradhy, R., Sarkar, T., Sarkisla, M. A., Sauvan, J. B., Schmidt, I., Schmitt, M., Scott, E., Seez, C., Sefkow, F., Sharma, S., Shein, I., Shenai, A., Shukla, R., Sicking, E., Sieberer, P., Silva, P., Simsek, A. E., Sirois, Y., Smirnov, V., Sozbilir, U., Spencer, E., Steen, A., Strait, J., Strobbe, N., Su, J. W., Sukhov, E., Sun, L., Cerci, D. Sunar, Syal, C., Tali, B., Tan, C. L., Tao, J., Tastan, I., Tatli, T., Thaus, R., Tekten, S., Thienpont, D., Tiras, E., Titov, M., Tlisov, D., Tok, U. G., Troska, J., Tsai, L. -S., Tsamalaidze, Z., Tsipolitis, G., Tsirou, A., Tyurin, N., Undleeb, S., Urbanski, D., Ustinov, V., Uzunian, A., Van de Klundert, M., Varela, J., Velasco, M., Viazlo, O., Pinto, M. Vicente Barreto, Virdee, P. Vichoudis T., de Oliveira, R. Vizinho, Voelker, J., Voirin, E., Vojinovic, M., Wade, A., Wang, C., Wang, F., Wang, X., Wang, Z., Wayne, M., Webb, S. N., Whitbeck, A., White, D., Wickwire, R., Wilson, J. S., Winter, D., Wu, H. y., Wu, L., Nursanto, M. Wulansatiti, Yeh, C. H, Yohay, R., Yu, D., Yu, G. B., Yu, S. S., Yuan, C., Yumiceva, F., Yusuff, I., Zacharopoulou, A., Zamiatin, N., Zarubin, A., Zenz, S., Zghiche, A., Zhang, H., Zhang, J., Zhang, Y., and Zhang, Z.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract

The Compact Muon Solenoid Collaboration is designing a new high-granularity endcap calorimeter, HGCAL, to be installed later this decade. As part of this development work, a prototype system was built, with an electromagnetic section consisting of 14 double-sided structures, providing 28 sampling layers. Each sampling layer has an hexagonal module, where a multipad large-area silicon sensor is glued between an electronics circuit board and a metal baseplate. The sensor pads of approximately 1 cm$^2$ are wire-bonded to the circuit board and are readout by custom integrated circuits. The prototype was extensively tested with beams at CERN's Super Proton Synchrotron in 2018. Based on the data collected with beams of positrons, with energies ranging from 20 to 300 GeV, measurements of the energy resolution and linearity, the position and angular resolutions, and the shower shapes are presented and compared to a detailed Geant4 simulation.

Published
2021
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22. The BM@N spectrometer at the NICA accelerator complex

Author

Afanasiev, S., Agakishiev, G., Aleksandrov, E., Aleksandrov, I., Alekseev, P., Alishina, K., Astakhov, V., Atkin, E., Aushev, T., Azorskiy, V., Babkin, V., Balashov, N., Barak, R., Baranov, A., Baranov, D., Baranova, N., Barbashina, N., Baznat, M., Bazylev, S., Belov, M., Blau, D., Bocharnikov, V., Bogdanova, G., Bolozdynya, A., Bondar, E., Boos, E., Buryakov, M., Buzin, S., Chebotov, A., Chemezov, D., Chen, J.H., Demanov, A., Dementev, D., Dmitriev, A., Drnoyan, J., Dryablov, D., Dryuk, A., Dubinchik, B., Dulov, P., Egorov, A., Egorov, D., Elsha, V., Fediunin, A., Fedosimova, A., Filippov, I., Filozova, I., Finogeev, D., Gabdrakhmanov, I., Galavanov, A., Gavrischuk, O., Gertsenberger, K., Golosov, O., Golovatyuk, V., Grigoriev, P., Golubeva, M., Guber, F., Ibraimova, S., Idrisov, D., Idrissova, T., Iusupova, A., Ivashkin, A., Izvestnyy, A., Kabadzhov, V., Kanokova, Sh., Kapishin, M., Kapitonov, I., Karjavin, V., Karmanov, D., Karpushkin, N., Kattabekov, R., Kekelidze, V., Khabarov, S., Kharlamov, P., Khudaiberdyev, G., Khukhaeva, A., Khvorostukhin, A., Kiryushin, Yu., Klimai, P., Kolesnikov, V., Kolozhvari, A., Kopylov, Yu., Korolev, M., Kovachev, L., Kovalev, I., Kruglova, I., Kovalev, Yu., Kozlov, I., Kozlov, V., Kuklin, S., Kulish, E., Kurganov, A., Kutergina, V., Kuznetsov, A., Ladygin, E., Lanskoy, D., Lashmanov, N., Lebedev, I., Lenivenko, V., Lednicky, R., Leontiev, V., Lyapin, D., Litvinenko, E., Ma, Y.G., Makankin, A., Makhnev, A., Malakhov, A., Mamaev, M., Martemianov, A., Martovitsky, E., Mashitsin, K., Merkin, M., Merts, S., Morozov, S., Murin, Yu., Musaev, K., Musulmanbekov, G., Myasnikov, A., Myktybekov, D., Nagdasev, R., Nemnyugin, S., Nikitin, D., Novozhilov, S., Olimov, Kh., Olimov, K., Palichik, V., Parfenov, P., Pelevanyuk, I., Peresunko, D., Piyadin, S., Platonova, M., Plotnikov, V., Podgainy, D., Pukhaeva, N., Ratnikov, F., Reshetova, S., Rogov, V., Romanov, I., Rufanov, I., Rukoyatkin, P., Rumyantsev, M., Rybakov, T., Sakulin, D., Sedykh, S., Serebryakov, D., Shabanov, A., Segal, I., Semak, A., Sergeev, S., Serikkanov, A., Sheremetev, A., Sheremeteva, A., Shchipunov, A., Shitenkov, M., Shopova, M., Shumikhin, V., Shutov, A., Shutov, V., Shodmonov, M., Slepnev, I., Slepnev, V., Slepov, I., Smirnov, A., Smolyanin, T., Solomin, A., Sorin, A., Sosnovtsev, V., Spaskov, V., Stavinskiy, A., Stekhanov, V., Stepanenko, Yu., Streletskaya, E., Streltsova, O., Strikhanov, M., Sukhov, E., Suvarieva, D., Taer, G., Taranenko, A., Tarasov, N., Tarasov, O., Teremkov, P., Terletsky, A., Teryaev, O., Tcholakov, V., Tikhomirov, V., Timoshenko, A., Tojiboev, O., Topilin, N., Tretyakova, T., Troshin, V., Truttse, A., Tserruya, I., Tskhay, V., Tyapkin, I., Ustinov, V., Vasendina, V., Velichkov, V., Volkov, V., Voronin, A., Voytishin, N., Yuldashev, B., Yurevich, V., Zamiatin, N., Zavertyaev, M., Zhang, S., Zhavoronkova, I., Zhezher, V., Zhigareva, N., Zinchenko, A., Zubankov, A., Zubarev, E., and Zuev, M.

Published
2024
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25. Tunable spin-flop transition in artificial ferrimagnets

Author

Antropov, N. O., Kravtsov, E. A., Makarova, M. V., Proglyado, V. V., Keller, T., Subbotin, I. A., Pashaev, E. M., Prutskov, G. V., Vasiliev, A. L., Chesnokov, Yu. M., Bebenin, N. G., Ustinov, V. V., Keimer, B., and Khaydukov, Yu. N.

Subjects
Condensed Matter - Mesoscale and Nanoscale Physics, Condensed Matter - Materials Science
Abstract

Spin-flop transition (SFT) consists in a jump-like reversal of antiferromagnetic magnetic moments into a non-collinear state when the magnetic field increases above the critical value. Potentially the SFT can be utilized in many applications of a rapidly developing antiferromagnetic spintronics. However, the difficulty of using them in conventional antiferromagnets lies in (a) too large switching magnetic fields (b) the need for presence of a magnetic anisotropy, and (c) requirement to apply magnetic field along the correspondent anisotropy axis. In this work we propose to use artificial ferrimagnets in which the spin-flop transition occurs without anisotropy and the transition field can be lowered by adjusting exchange coupling in the structure. This is proved by experiment on artificial Fe-Gd ferrimagnets where usage of Pd spacers allowed us to suppress the transition field by two orders of magnitude., Comment: article, 5 pages, 3 figures

Published
2021
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28. Construction and commissioning of CMS CE prototype silicon modules

Author

Acar, B., Adamov, G., Adloff, C., Afanasiev, S., Akchurin, N., Akgün, B., Alhusseini, M., Alison, J., Altopp, G., Alyari, M., An, S., Anagul, S., Andreev, I., Andrews, M., Aspell, P., Atakisi, I. A., Bach, O., Baden, A., Bakas, G., Bakshi, A., Bargassa, P., Barney, D., Becheva, E., Behera, P., Belloni, A., Bergauer, T., Besancon, M., Bhattacharya, S., Bhowmik, D., Bloch, P., Bodek, A., Bonanomi, M., Bonnemaison, A., Bonomally, S., Borg, J., Bouyjou, F., Braga, D., Brashear, J., Brondolin, E., Bryant, P., Bueghly, J., Bilki, B., Burkle, B., Butler-Nalin, A., Callier, S., Calvet, D., Cao, X., Caraway, B., Caregari, S., Ceard, L., Cekmecelioglu, Y. C., Cerminara, G., Charitonidis, N., Chatterjee, R., Chen, Y. M., Chen, Z., Cheng, K. y., Chernichenko, S., Cheung, H., Chien, C. H., Choudhury, S., Čoko, D., Collura, G., Couderc, F., Dumanoglu, I., Dannheim, D., Dauncey, P., David, A., Davies, G., Day, E., DeBarbaro, P., De Guio, F., de La Taille, C., De Silva, M., Debbins, P., Delagnes, E., Deltoro, J. M., Derylo, G., de Almeida, P. G. Dias, Diaz, D., Dinaucourt, P., Dittmann, J., Dragicevic, M., Dugad, S., Dutta, V., Dutta, S., Eckdahl, J., Edberg, T. K., Berni, M. El, Eno, S. C., Ershov, Yu., Everaerts, P., Extier, S., Fahim, F., Fallon, C., Alves, B. A. Fontana Santos, Frahm, E., Franzoni, G., Freeman, J., French, T., Guler, E. Gurpinar, Guler, Y., Gagnan, M., Gandhi, P., Ganjour, S., Garcia-Bellido, A., Gecse, Z., Geerebaert, Y., Gerwig, H., Gevin, O., Gilbert, W., Gilbert, A., Gill, K., Gingu, C., Gninenko, S., Golunov, A., Golutvin, I., Gonzalez, T., Gorbounov, N., Gouskos, L., Gu, Y., Guilloux, F., Gülmez, E., Hammer, M., Harilal, A., Hatakeyama, K., Heering, A., Hegde, V., Heintz, U., Hinger, V., Hinton, N., Hirschauer, J., Hoff, J., Hou, W. S., Isik, C., Incandela, J., Jain, S., Jheng, H. R., Joshi, U., Kara, O., Kachanov, V., Kalinin, A., Kameshwar, R., Kaminskiy, A., Karneyeu, A., Kaya, O., Kaya, M., Khukhunaishvili, A., Kim, S., Koetz, K., Kolberg, T., Kristić, A., Krohn, M., Krüger, K., Kulagin, N., Kulis, S., Kunori, S., Kuo, C. M., Kuryatkov, V., Kyre, S., Köseyan, O. K., Lai, Y., Lamichhane, K., Landsberg, G., Langford, J., Lee, M. Y., Levin, A., Li, A., Li, B., Li, J. -H., Liao, H., Lincoln, D., Linssen, L., Lipton, R., Liu, Y., Lobanov, A., Lu, R. S., Lysova, I., Magnan, A. M., Magniette, F., Maier, A. A., Malakhov, A., Mandjavize, I., Mannelli, M., Mans, J., Marchioro, A., Martelli, A., Masterson, P., Meng, B., Mengke, T., Mestvirishvili, A., Mirza, I., Moccia, S., Morrissey, I., Mudholkar, T., Musić, J., Musienko, I., Nabili, S., Nagar, A., Nikitenko, A., Noonan, D., Noy, M., Nurdan, K., Ochando, C., Odegard, B., Odell, N., Onel, Y., Ortez, W., Ozegović, J., Rodriguez, L. Pacheco, Paganis, E., Pagenkopf, D., Palladino, V., Pandey, S., Pantaleo, F., Papageorgakis, C., Papakrivopoulos, I., Parshook, J., Pastika, N., Paulini, M., Paulitsch, P., Peltola, T., Gomes, R. Pereira, Perkins, H., Petiot, P., Pitters, F., Prosper, H., Prvan, M., Puljak, I., Quast, T., Quinn, R., Quinnan, M., Rapacz, K., Raux, L., Reichenbach, G., Reinecke, M., Revering, M., Rodriguez, A., Romanteau, T., Rose, A., Rovere, M., Roy, A., Rubinov, P., Rusack, R., Simsek, A. E., Sozbilir, U., Sahin, O. M., Sanchez, A., Saradhy, R., Sarkar, T., Sarkisla, M. A., Sauvan, J. B., Schmidt, I., Schmitt, M., Scott, E., Seez, C., Sefkow, F., Sharma, S., Shein, I., Shenai, A., Shukla, R., Sicking, E., Sieberer, P., Sirois, Y., Smirnov, V., Spencer, E., Steen, A., Strait, J., Strebler, T., Strobbe, N., Su, J. W., Sukhov, E., Sun, L., Sun, M., Syal, C., Tali, B., Tok, U. G., Topaksu, A. Kayis, Tan, C. L., Tastan, I., Tatli, T., Thaus, R., Tekten, S., Thienpont, D., Pierre-Emile, T., Tiras, E., Titov, M., Tlisov, D., Troska, J., Tsamalaidze, Z., Tsipolitis, G., Tsirou, A., Tyurin, N., Undleeb, S., Urbanski, D., Ustinov, V., Uzunian, A., van de Klundert, M., Varela, J., Velasco, M., Pinto, M. Vicente Barreto, da Silva, P. M., Virdee, T., de Oliveira, R. Vizinho, Voelker, J., Voirin, E., Wang, Z., Wang, X., Wang, F., Wayne, M., Webb, S. N., Weinberg, M., Whitbeck, A., White, D., Wickwire, R., Wilson, J. S., Wu, H. Y., Wu, L., Yeh, C. H, Yohay, R., Yu, G. B., Yu, S. S., Yu, D., Yumiceva, F., Zacharopoulou, A., Zamiatin, N., Zarubin, A., Zenz, S., Zhang, H., and Zhang, J.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract

As part of its HL-LHC upgrade program, the CMS Collaboration is developing a High Granularity Calorimeter (CE) to replace the existing endcap calorimeters. The CE is a sampling calorimeter with unprecedented transverse and longitudinal readout for both electromagnetic (CE-E) and hadronic (CE-H) compartments. The calorimeter will be built with $\sim$30,000 hexagonal silicon modules. Prototype modules have been constructed with 6-inch hexagonal silicon sensors with cell areas of 1.1~$cm^2$, and the SKIROC2-CMS readout ASIC. Beam tests of different sampling configurations were conducted with the prototype modules at DESY and CERN in 2017 and 2018. This paper describes the construction and commissioning of the CE calorimeter prototype, the silicon modules used in the construction, their basic performance, and the methods used for their calibration., Comment: 35 pages, submitted to JINST

Published
2020

29. The DAQ system of the 12,000 Channel CMS High Granularity Calorimeter Prototype

Author

Acar, B., Adamov, G., Adloff, C., Afanasiev, S., Akchurin, N., Akgün, B., Alhusseini, M., Alison, J., Altopp, G., Alyari, M., An, S., Anagul, S., Andreev, I., Andrews, M., Aspell, P., Atakisi, I. A., Bach, O., Baden, A., Bakas, G., Bakshi, A., Bargassa, P., Barney, D., Becheva, E., Behera, P., Belloni, A., Bergauer, T., Besancon, M., Bhattacharya, S., Bhowmik, D., Bloch, P., Bodek, A., Bonanomi, M., Bonnemaison, A., Bonomally, S., Borg, J., Bouyjou, F., Braga, D., Brashear, J., Brondolin, E., Bryant, P., Bueghly, J., Bilki, B., Burkle, B., Butler-Nalin, A., Callier, S., Calvet, D., Cao, X., Caraway, B., Caregari, S., Ceard, L., Cekmecelioglu, Y. C., Cerminara, G., Charitonidis, N., Chatterjee, R., Chen, Y. M., Chen, Z., Cheng, K. y., Chernichenko, S., Cheung, H., Chien, C. H., Choudhury, S., Čoko, D., Collura, G., Couderc, F., Dumanoglu, I., Dannheim, D., Dauncey, P., David, A., Davies, G., Day, E., DeBarbaro, P., De Guio, F., de La Taille, C., De Silva, M., Debbins, P., Delagnes, E., Deltoro, J. M., Derylo, G., de Almeida, P. G. Dias, Diaz, D., Dinaucourt, P., Dittmann, J., Dragicevic, M., Dugad, S., Dutta, V., Dutta, S., Eckdahl, J., Edberg, T. K., Berni, M. El, Eno, S. C., Ershov, Yu., Everaerts, P., Extier, S., Fahim, F., Fallon, C., Alves, B. A. Fontana Santos, Frahm, E., Franzoni, G., Freeman, J., French, T., Guler, E. Gurpinar, Guler, Y., Gagnan, M., Gandhi, P., Ganjour, S., Garcia-Bellido, A., Gecse, Z., Geerebaert, Y., Gerwig, H., Gevin, O., Gilbert, W., Gilbert, A., Gill, K., Gingu, C., Gninenko, S., Golunov, A., Golutvin, I., Gonzalez, T., Gorbounov, N., Gouskos, L., Gu, Y., Guilloux, F., Gülmez, E., Hammer, M., Harilal, A., Hatakeyama, K., Heering, A., Hegde, V., Heintz, U., Hinger, V., Hinton, N., Hirschauer, J., Hoff, J., Hou, W. S., Isik, C., Incandela, J., Jain, S., Jheng, H. R., Joshi, U., Kara, O., Kachanov, V., Kalinin, A., Kameshwar, R., Kaminskiy, A., Karneyeu, A., Kaya, O., Kaya, M., Khukhunaishvili, A., Kim, S., Koetz, K., Kolberg, T., Kristić, A., Krohn, M., Krüger, K., Kulagin, N., Kulis, S., Kunori, S., Kuo, C. M., Kuryatkov, V., Kyre, S., Köseyan, O. K., Lai, Y., Lamichhane, K., Landsberg, G., Langford, J., Lee, M. Y., Levin, A., Li, A., Li, B., Li, J. -H., Liao, H., Lincoln, D., Linssen, L., Lipton, R., Liu, Y., Lobanov, A., Lu, R. S., Lysova, I., Magnan, A. M., Magniette, F., Maier, A. A., Malakhov, A., Mandjavize, I., Mannelli, M., Mans, J., Marchioro, A., Martelli, A., Masterson, P., Meng, B., Mengke, T., Mestvirishvili, A., Mirza, I., Moccia, S., Morrissey, I., Mudholkar, T., Musić, J., Musienko, I., Nabili, S., Nagar, A., Nikitenko, A., Noonan, D., Noy, M., Nurdan, K., Ochando, C., Odegard, B., Odell, N., Onel, Y., Ortez, W., Ozegović, J., Rodriguez, L. Pacheco, Paganis, E., Pagenkopf, D., Palladino, V., Pandey, S., Pantaleo, F., Papageorgakis, C., Papakrivopoulos, I., Parshook, J., Pastika, N., Paulini, M., Paulitsch, P., Peltola, T., Gomes, R. Pereira, Perkins, H., Petiot, P., Pitters, F., Prosper, H., Prvan, M., Puljak, I., Quast, T., Quinn, R., Quinnan, M., Rapacz, K., Raux, L., Reichenbach, G., Reinecke, M., Revering, M., Rodriguez, A., Romanteau, T., Rose, A., Rovere, M., Roy, A., Rubinov, P., Rusack, R., Simsek, A. E., Sozbilir, U., Sahin, O. M., Sanchez, A., Saradhy, R., Sarkar, T., Sarkisla, M. A., Sauvan, J. B., Schmidt, I., Schmitt, M., Scott, E., Seez, C., Sefkow, F., Sharma, S., Shein, I., Shenai, A., Shukla, R., Sicking, E., Sieberer, P., Sirois, Y., Smirnov, V., Spencer, E., Steen, A., Strait, J., Strebler, T., Strobbe, N., Su, J. W., Sukhov, E., Sun, L., Sun, M., Syal, C., Tali, B., Tok, U. G., Topaksu, A. Kayis, Tan, C. L., Tastan, I., Tatli, T., Thaus, R., Tekten, S., Thienpont, D., Pierre-Emile, T., Tiras, E., Titov, M., Tlisov, D., Troska, J., Tsamalaidze, Z., Tsipolitis, G., Tsirou, A., Tyurin, N., Undleeb, S., Urbanski, D., Ustinov, V., Uzunian, A., van de Klundert, M., Varela, J., Velasco, M., Pinto, M. Vicente Barreto, da Silva, P. M., Virdee, T., de Oliveira, R. Vizinho, Voelker, J., Voirin, E., Wang, Z., Wang, X., Wang, F., Wayne, M., Webb, S. N., Weinberg, M., Whitbeck, A., White, D., Wickwire, R., Wilson, J. S., Wu, H. Y., Wu, L., Yeh, C. H, Yohay, R., Yu, G. B., Yu, S. S., Yu, D., Yumiceva, F., Zacharopoulou, A., Zamiatin, N., Zarubin, A., Zenz, S., Zhang, H., and Zhang, J.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract

The CMS experiment at the CERN LHC will be upgraded to accommodate the 5-fold increase in the instantaneous luminosity expected at the High-Luminosity LHC (HL-LHC). Concomitant with this increase will be an increase in the number of interactions in each bunch crossing and a significant increase in the total ionising dose and fluence. One part of this upgrade is the replacement of the current endcap calorimeters with a high granularity sampling calorimeter equipped with silicon sensors, designed to manage the high collision rates. As part of the development of this calorimeter, a series of beam tests have been conducted with different sampling configurations using prototype segmented silicon detectors. In the most recent of these tests, conducted in late 2018 at the CERN SPS, the performance of a prototype calorimeter equipped with ${\approx}12,000\rm{~channels}$ of silicon sensors was studied with beams of high-energy electrons, pions and muons. This paper describes the custom-built scalable data acquisition system that was built with readily available FPGA mezzanines and low-cost Raspberry PI computers.

Published
2020
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30. 1550 nm Range High-Speed Single-Mode Vertical-Cavity Surface-Emitting Lasers

Author

Blokhin, S. A., Babichev, A. V., Karachinsky, L. Ya., Novikov, I. I., Blokhin, A. A., Bobrov, M. A., Kuzmenkov, A. G., Maleev, N. A., Andryushkin, V. V., Bougrov, V. E., Gladyshev, A. G., Denisov, D. V., Voropaev, K. O., Zhumaeva, I. O., Ustinov, V. M., Li, H., Tian, S. C., Han, S. Y., Sapunov, G. A., Egorov, A. Yu., and Bimberg, D.

Published
2023
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36. Magnetic proximity effect in [Nb/Gd] superlattices seen by neutron scattering

Author

Khaydukov, Yu. N., Kravtsov, E. A., Zhaketov, V. D., Progliado, V. V., Kim, G., Nikitenko, Yu. V., Keller, T., Ustinov, V. V., Aksenov, V. L., and Keimer, B.

Subjects
Condensed Matter - Superconductivity, Condensed Matter - Mesoscale and Nanoscale Physics, Condensed Matter - Strongly Correlated Electrons
Abstract

We have used spin-polarized neutron reflectometry to investigate the magnetization profile of superlattices composed of ferromagnetic Gd and superconducting Nb layers. We have observed a partial suppression of ferromagnetic (F) order of Gd layers in [Gd($d_F$)/Nb(25nm)]$_{12}$ superlattices below the superconducting (S) transition of the Nb layers. The amplitude of the suppression decreases with increasing $d_F$. By analyzing the neutron spin asymmetry we conclude that the observed effect has an electromagnetic origin - the proximity-coupled S layers screen out the external magnetic field and thus suppress the F response of the Gd layers inside the structure. Our investigation demonstrates the considerable influence of electromagnetic effects on the magnetic properties of S/F systems.

Published
2019
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40. Twisted magnetization states and inhomogeneous resonance modes in a Fe/Gd ferrimagnetic multilayer

Author

Drovosekov, A. B., Savitsky, A. O., Kholin, D. I., Kreines, N. M., Proglyado, V. V., Ryabukhina, M. V., Kravtsov, E. A., and Ustinov, V. V.

Subjects
Condensed Matter - Materials Science
Abstract

Static and dynamic magnetic properties of a ferrimagnetic [Fe(35A)/Gd(50A)]x12 superlattice were investigated in a wide 4-300 K temperature range using magneto-optical Kerr effect (MOKE) and ferromagnetic resonance (FMR) techniques. The multilayer structure was sputtered on a transparent glass substrate which made it possible to perform MOKE measurements on both Fe and Gd terminated sides of the superlattice. These experiments allowed us to detect a transition between field-aligned and canted magnetic states on both sides of the film and to distinguish between the bulk and surface twisted phases of the superlattice. As a result, the experimental H-T magnetic phase diagram of the system was obtained. FMR studies at frequencies 7-36 GHz demonstrated a complex evolution of absorption spectra as temperature decreased from room down to 4 K. Two spectral branches were detected in the sample. Theoretical simulations show that the observed spectral branches correspond to different types of inhomogeneous resonance modes in the multilayer with non-uniform magnetization precession inside Gd layers.

Published
2018
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42. Timing performance of the CMS High Granularity Calorimeter prototype

Author

Acar, B, Adamov, G, Adloff, C, Afanasiev, S, Akchurin, N, Akgun, B, Khan, F, Alhusseini, M, Alison, J, Alpana, A, Altopp, G, Alyari, M, An, S, Anagul, S, Andreev, I, Aspell, P, Atakisi, I, Bach, O, Baden, A, Bakas, G, Bakshi, A, Bannerjee, S, Bargassa, P, Barney, D, Beaudette, F, Beaujean, F, Becheva, E, Becker, A, Behera, P, Belloni, A, Bergauer, T, Besancon, M, Bhattacharya, S, Bhowmik, D, Bilki, B, Bloch, P, Bodek, A, Bonanomi, M, Bonnemaison, A, Bonomally, S, Borg, J, Bouyjou, F, Bower, N, Braga, D, Brashear, J, Brondolin, E, Bryant, P, Buchot Perraguin, A, Bueghly, J, Burkle, B, Butler-Nalin, A, Bychkova, O, Callier, S, Calvet, D, Cao, X, Cappati, A, Caraway, B, Caregari, S, Cauchois, A, Ceard, L, Cekmecelioglu, Y, Cerci, S, Cerminara, G, Chadeeva, M, Charitonidis, N, Chatterjee, R, Chen, Y, Chen, Z, Cheng, H, Cheng, K, Chernichenko, S, Cheung, H, Chien, C, Choudhury, S, Coko, D, Collura, G, Couderc, F, Danilov, M, Dannheim, D, Daoud, W, Dauncey, P, David, A, Davies, G, Davignon, O, Day, E, De Barbaro, P, De Guio, F, de La Taille, C, De Silva, M, Debbins, P, Defranchis, M, Delagnes, E, Deltoro Berrio, J, Derylo, G, Dias de Almeida, P, Diaz, D, Dinaucourt, P, Dittmann, J, Dragicevic, M, Dugad, S, Dulucq, F, Dumanoglu, I, Dutta, V, Dutta, S, Dunser, M, Eckdahl, J, Edberg, T, El Berni, M, Elias, F, Eno, S, Ershov, Y, Everaerts, P, Extier, S, Fahim, F, Fallon, C, Fedi, G, Fontana Santos Alves, B, Frahm, E, Franzoni, G, Freeman, J, French, T, Gandhi, P, Ganjour, S, Gao, X, Garcia-Bellido, A, Gastaldi, F, Gecse, Z, Geerebaert, Y, Gerwig, H, Gevin, O, Ghosh, S, Gilbert, A, Gilbert, W, Gill, K, Gingu, C, Gninenko, S, Golunov, A, Golutvin, I, Gonzalez, T, Gorbounov, N, Gouskos, L, Gray, A, Gu, Y, Guilloux, F, Guler, Y, Gulmez, E, Guo, J, Gurpinar Guler, E, Hammer, M, Hassanshahi, H, Hatakeyama, K, Heering, A, Hegde, V, Heintz, U, Hinton, N, Hirschauer, J, Hoff, J, Hou, W, Hou, X, Hua, H, Incandela, J, Irshad, A, Isik, C, Jain, S, Jheng, H, Joshi, U, Kachanov, V, Kalinin, A, Kalipoliti, L, Kaminskiy, A, Kapoor, A, Kara, O, Karneyeu, A, Kaya, M, Kaya, O, Kayis Topaksu, A, Khukhunaishvili, A, Kieseler, J, Kilpatrick, M, Kim, S, Koetz, K, Kolberg, T, Koseyan, O, Kristic, A, Krohn, M, Kruger, K, Kulagin, N, Kulis, S, Kunori, S, Kuo, C, Kuryatkov, V, Kyre, S, Lai, Y, Lamichhane, K, Landsberg, G, Lange, C, Langford, J, Lee, M, Levin, A, Li, A, Li, B, Li, J, Li, Y, Liao, H, Lincoln, D, Linssen, L, Lipton, R, Liu, Y, Lobanov, A, Lu, R, Lupi, M, Lysova, I, Magnan, A, Magniette, F, Mahjoub, A, Maier, A, Malakhov, A, Mallios, S, Mannelli, M, Mans, J, Marchioro, A, Martelli, A, Martinez, G, Masterson, P, Meng, B, Mengke, T, Mestvirishvili, A, Mirza, I, Moccia, S, Mohanty, G, Monti, F, Morrissey, I, Murthy, S, Music, J, Musienko, Y, Nabili, S, Nagar, A, Nguyen, M, Nikitenko, A, Noonan, D, Noy, M, Nurdan, K, Ochando, C, Odegard, B, Odell, N, Okawa, H, Onel, Y, Ortez, W, Ozegovic, J, Ozkorucuklu, S, Paganis, E, Pagenkopf, D, Palladino, V, Pandey, S, Pantaleo, F, Papageorgakis, C, Papakrivopoulos, I, Parshook, J, Pastika, N, Paulini, M, Paulitsch, P, Peltola, T, Pereira Gomes, R, Perkins, H, Petiot, P, Pierre-Emile, T, Pitters, F, Popova, E, Prosper, H, Prvan, M, Puljak, I, Qu, H, Quast, T, Quinn, R, Quinnan, M, Ramos Garcia, M, Rao, K, Rapacz, K, Raux, L, Reichenbach, G, Reinecke, M, Revering, M, Roberts, A, Romanteau, T, Rose, A, Rovere, M, Roy, A, Rubinov, P, Rusack, R, Rusinov, V, Ryjov, V, Sahin, M, Salerno, R, Sanchez Rodriguez, A, Saradhy, R, Sarkar, T, Sarkisla, M, Sauvan, J, Schmidt, I, Schmitt, M, Scott, E, Seez, C, Sefkow, F, Sharma, S, Shein, I, Shenai, A, Shukla, R, Sicking, E, Sieberer, P, Silva, P, Simsek, A, Sirois, Y, Smirnov, V, Sozbilir, U, Spencer, E, Steen, A, Strait, J, Strobbe, N, Su, J, Sukhov, E, Sun, L, Sunar Cerci, D, Syal, C, Tali, B, Tan, C, Tao, J, Tastan, I, Tatli, T, Thaus, R, Tekten, S, Thienpont, D, Tiras, E, Titov, M, Tlisov, D, Tok, U, Troska, J, Tsai, L, Tsamalaidze, Z, Tsipolitis, G, Tsirou, A, Tyurin, N, Undleeb, S, Urbanski, D, Ustinov, V, Uzunian, A, Van de Klundert, M, Varela, J, Velasco, M, Viazlo, O, Vicente Barreto Pinto, M, Vichoudis, P, Virdee, T, Vizinho de Oliveira, R, Voelker, J, Voirin, E, Vojinovic, M, Wade, A, Wang, C, Wang, F, Wang, X, Wang, Z, Wayne, M, Webb, S, Whitbeck, A, White, D, Wickwire, R, Wilson, J, Winter, D, Wu, H, Wu, L, Wulansatiti Nursanto, M, Yeh, C, Yohay, R, Yu, D, Yu, G, Yu, S, Yuan, C, Yumiceva, F, Yusuff, I, Zacharopoulou, A, Zamiatin, N, Zarubin, A, Zenz, S, Zghiche, A, Zhang, H, Zhang, J, Zhang, Y, Zhang, Z, Acar B., Adamov G., Adloff C., Afanasiev S., Akchurin N., Akgun B., Khan F., Alhusseini M., Alison J., Alpana A., Altopp G., Alyari M., An S., Anagul S., Andreev I., Aspell P., Atakisi I., Bach O., Baden A., Bakas G., Bakshi A., Bannerjee S., Bargassa P., Barney D., Beaudette F., Beaujean F., Becheva E., Becker A., Behera P., Belloni A., Bergauer T., Besancon M., Bhattacharya S., Bhowmik D., Bilki B., Bloch P., Bodek A., Bonanomi M., Bonnemaison A., Bonomally S., Borg J., Bouyjou F., Bower N., Braga D., Brashear J., Brondolin E., Bryant P., Buchot Perraguin A., Bueghly J., Burkle B., Butler-Nalin A., Bychkova O., Callier S., Calvet D., Cao X., Cappati A., Caraway B., Caregari S., Cauchois A., Ceard L., Cekmecelioglu Y., Cerci S., Cerminara G., Chadeeva M., Charitonidis N., Chatterjee R., Chen Y., Chen Z., Cheng H., Cheng K., Chernichenko S., Cheung H., Chien C., Choudhury S., Coko D., Collura G., Couderc F., Danilov M., Dannheim D., Daoud W., Dauncey P., David A., Davies G., Davignon O., Day E., De Barbaro P., De Guio F., de La Taille C., De Silva M., Debbins P., Defranchis M., Delagnes E., Deltoro Berrio J., Derylo G., Dias de Almeida P., Diaz D., Dinaucourt P., Dittmann J., Dragicevic M., Dugad S., Dulucq F., Dumanoglu I., Dutta V., Dutta S., Dunser M., Eckdahl J., Edberg T., El Berni M., Elias F., Eno S., Ershov Y., Everaerts P., Extier S., Fahim F., Fallon C., Fedi G., Fontana Santos Alves B., Frahm E., Franzoni G., Freeman J., French T., Gandhi P., Ganjour S., Gao X., Garcia-Bellido A., Gastaldi F., Gecse Z., Geerebaert Y., Gerwig H., Gevin O., Ghosh S., Gilbert A., Gilbert W., Gill K., Gingu C., Gninenko S., Golunov A., Golutvin I., Gonzalez T., Gorbounov N., Gouskos L., Gray A., Gu Y., Guilloux F., Guler Y., Gulmez E., Guo J., Gurpinar Guler E., Hammer M., Hassanshahi H., Hatakeyama K., Heering A., Hegde V., Heintz U., Hinton N., Hirschauer J., Hoff J., Hou W. -S., Hou X., Hua H., Incandela J., Irshad A., Isik C., Jain S., Jheng H., Joshi U., Kachanov V., Kalinin A., Kalipoliti L., Kaminskiy A., Kapoor A., Kara O., Karneyeu A., Kaya M., Kaya O., Kayis Topaksu A., Khukhunaishvili A., Kieseler J., Kilpatrick M., Kim S., Koetz K., Kolberg T., Koseyan O., Kristic A., Krohn M., Kruger K., Kulagin N., Kulis S., Kunori S., Kuo C., Kuryatkov V., Kyre S., Lai Y., Lamichhane K., Landsberg G., Lange C., Langford J., Lee M., Levin A., Li A., Li B., Li J., Li Y., Liao H., Lincoln D., Linssen L., Lipton R., Liu Y., Lobanov A., Lu R. -S., Lupi M., Lysova I., Magnan A. -M., Magniette F., Mahjoub A., Maier A., Malakhov A., Mallios S., Mannelli M., Mans J., Marchioro A., Martelli A., Martinez G., Masterson P., Meng B., Mengke T., Mestvirishvili A., Mirza I., Moccia S., Mohanty G., Monti F., Morrissey I., Murthy S., Music J., Musienko Y., Nabili S., Nagar A., Nguyen M., Nikitenko A., Noonan D., Noy M., Nurdan K., Ochando C., Odegard B., Odell N., Okawa H., Onel Y., Ortez W., Ozegovic J., Ozkorucuklu S., Paganis E., Pagenkopf D., Palladino V., Pandey S., Pantaleo F., Papageorgakis C., Papakrivopoulos I., Parshook J., Pastika N., Paulini M., Paulitsch P., Peltola T., Pereira Gomes R., Perkins H., Petiot P., Pierre-Emile T., Pitters F., Popova E., Prosper H., Prvan M., Puljak I., Qu H., Quast T., Quinn R., Quinnan M., Ramos Garcia M., Rao K., Rapacz K., Raux L., Reichenbach G., Reinecke M., Revering M., Roberts A., Romanteau T., Rose A., Rovere M., Roy A., Rubinov P., Rusack R., Rusinov V., Ryjov V., Sahin M., Salerno R., Sanchez Rodriguez A., Saradhy R., Sarkar T., Sarkisla M., Sauvan J., Schmidt I., Schmitt M., Scott E., Seez C., Sefkow F., Sharma S., Shein I., Shenai A., Shukla R., Sicking E., Sieberer P., Silva P., Simsek A., Sirois Y., Smirnov V., Sozbilir U., Spencer E., Steen A., Strait J., Strobbe N., Su J., Sukhov E., Sun L., Sunar Cerci D., Syal C., Tali B., Tan C., Tao J., Tastan I., Tatli T., Thaus R., Tekten S., Thienpont D., Tiras E., Titov M., Tlisov D., Tok U., Troska J., Tsai L. -S., Tsamalaidze Z., Tsipolitis G., Tsirou A., Tyurin N., Undleeb S., Urbanski D., Ustinov V., Uzunian A., Van de Klundert M., Varela J., Velasco M., Viazlo O., Vicente Barreto Pinto M., Vichoudis P., Virdee T., Vizinho de Oliveira R., Voelker J., Voirin E., Vojinovic M., Wade A., Wang C., Wang F., Wang X., Wang Z., Wayne M., Webb S., Whitbeck A., White D., Wickwire R., Wilson J., Winter D., Wu H., Wu L., Wulansatiti Nursanto M., Yeh C., Yohay R., Yu D., Yu G., Yu S., Yuan C., Yumiceva F., Yusuff I., Zacharopoulou A., Zamiatin N., Zarubin A., Zenz S., Zghiche A., Zhang H., Zhang J., Zhang Y., Zhang Z., Acar, B, Adamov, G, Adloff, C, Afanasiev, S, Akchurin, N, Akgun, B, Khan, F, Alhusseini, M, Alison, J, Alpana, A, Altopp, G, Alyari, M, An, S, Anagul, S, Andreev, I, Aspell, P, Atakisi, I, Bach, O, Baden, A, Bakas, G, Bakshi, A, Bannerjee, S, Bargassa, P, Barney, D, Beaudette, F, Beaujean, F, Becheva, E, Becker, A, Behera, P, Belloni, A, Bergauer, T, Besancon, M, Bhattacharya, S, Bhowmik, D, Bilki, B, Bloch, P, Bodek, A, Bonanomi, M, Bonnemaison, A, Bonomally, S, Borg, J, Bouyjou, F, Bower, N, Braga, D, Brashear, J, Brondolin, E, Bryant, P, Buchot Perraguin, A, Bueghly, J, Burkle, B, Butler-Nalin, A, Bychkova, O, Callier, S, Calvet, D, Cao, X, Cappati, A, Caraway, B, Caregari, S, Cauchois, A, Ceard, L, Cekmecelioglu, Y, Cerci, S, Cerminara, G, Chadeeva, M, Charitonidis, N, Chatterjee, R, Chen, Y, Chen, Z, Cheng, H, Cheng, K, Chernichenko, S, Cheung, H, Chien, C, Choudhury, S, Coko, D, Collura, G, Couderc, F, Danilov, M, Dannheim, D, Daoud, W, Dauncey, P, David, A, Davies, G, Davignon, O, Day, E, De Barbaro, P, De Guio, F, de La Taille, C, De Silva, M, Debbins, P, Defranchis, M, Delagnes, E, Deltoro Berrio, J, Derylo, G, Dias de Almeida, P, Diaz, D, Dinaucourt, P, Dittmann, J, Dragicevic, M, Dugad, S, Dulucq, F, Dumanoglu, I, Dutta, V, Dutta, S, Dunser, M, Eckdahl, J, Edberg, T, El Berni, M, Elias, F, Eno, S, Ershov, Y, Everaerts, P, Extier, S, Fahim, F, Fallon, C, Fedi, G, Fontana Santos Alves, B, Frahm, E, Franzoni, G, Freeman, J, French, T, Gandhi, P, Ganjour, S, Gao, X, Garcia-Bellido, A, Gastaldi, F, Gecse, Z, Geerebaert, Y, Gerwig, H, Gevin, O, Ghosh, S, Gilbert, A, Gilbert, W, Gill, K, Gingu, C, Gninenko, S, Golunov, A, Golutvin, I, Gonzalez, T, Gorbounov, N, Gouskos, L, Gray, A, Gu, Y, Guilloux, F, Guler, Y, Gulmez, E, Guo, J, Gurpinar Guler, E, Hammer, M, Hassanshahi, H, Hatakeyama, K, Heering, A, Hegde, V, Heintz, U, Hinton, N, Hirschauer, J, Hoff, J, Hou, W, Hou, X, Hua, H, Incandela, J, Irshad, A, Isik, C, Jain, S, Jheng, H, Joshi, U, Kachanov, V, Kalinin, A, Kalipoliti, L, Kaminskiy, A, Kapoor, A, Kara, O, Karneyeu, A, Kaya, M, Kaya, O, Kayis Topaksu, A, Khukhunaishvili, A, Kieseler, J, Kilpatrick, M, Kim, S, Koetz, K, Kolberg, T, Koseyan, O, Kristic, A, Krohn, M, Kruger, K, Kulagin, N, Kulis, S, Kunori, S, Kuo, C, Kuryatkov, V, Kyre, S, Lai, Y, Lamichhane, K, Landsberg, G, Lange, C, Langford, J, Lee, M, Levin, A, Li, A, Li, B, Li, J, Li, Y, Liao, H, Lincoln, D, Linssen, L, Lipton, R, Liu, Y, Lobanov, A, Lu, R, Lupi, M, Lysova, I, Magnan, A, Magniette, F, Mahjoub, A, Maier, A, Malakhov, A, Mallios, S, Mannelli, M, Mans, J, Marchioro, A, Martelli, A, Martinez, G, Masterson, P, Meng, B, Mengke, T, Mestvirishvili, A, Mirza, I, Moccia, S, Mohanty, G, Monti, F, Morrissey, I, Murthy, S, Music, J, Musienko, Y, Nabili, S, Nagar, A, Nguyen, M, Nikitenko, A, Noonan, D, Noy, M, Nurdan, K, Ochando, C, Odegard, B, Odell, N, Okawa, H, Onel, Y, Ortez, W, Ozegovic, J, Ozkorucuklu, S, Paganis, E, Pagenkopf, D, Palladino, V, Pandey, S, Pantaleo, F, Papageorgakis, C, Papakrivopoulos, I, Parshook, J, Pastika, N, Paulini, M, Paulitsch, P, Peltola, T, Pereira Gomes, R, Perkins, H, Petiot, P, Pierre-Emile, T, Pitters, F, Popova, E, Prosper, H, Prvan, M, Puljak, I, Qu, H, Quast, T, Quinn, R, Quinnan, M, Ramos Garcia, M, Rao, K, Rapacz, K, Raux, L, Reichenbach, G, Reinecke, M, Revering, M, Roberts, A, Romanteau, T, Rose, A, Rovere, M, Roy, A, Rubinov, P, Rusack, R, Rusinov, V, Ryjov, V, Sahin, M, Salerno, R, Sanchez Rodriguez, A, Saradhy, R, Sarkar, T, Sarkisla, M, Sauvan, J, Schmidt, I, Schmitt, M, Scott, E, Seez, C, Sefkow, F, Sharma, S, Shein, I, Shenai, A, Shukla, R, Sicking, E, Sieberer, P, Silva, P, Simsek, A, Sirois, Y, Smirnov, V, Sozbilir, U, Spencer, E, Steen, A, Strait, J, Strobbe, N, Su, J, Sukhov, E, Sun, L, Sunar Cerci, D, Syal, C, Tali, B, Tan, C, Tao, J, Tastan, I, Tatli, T, Thaus, R, Tekten, S, Thienpont, D, Tiras, E, Titov, M, Tlisov, D, Tok, U, Troska, J, Tsai, L, Tsamalaidze, Z, Tsipolitis, G, Tsirou, A, Tyurin, N, Undleeb, S, Urbanski, D, Ustinov, V, Uzunian, A, Van de Klundert, M, Varela, J, Velasco, M, Viazlo, O, Vicente Barreto Pinto, M, Vichoudis, P, Virdee, T, Vizinho de Oliveira, R, Voelker, J, Voirin, E, Vojinovic, M, Wade, A, Wang, C, Wang, F, Wang, X, Wang, Z, Wayne, M, Webb, S, Whitbeck, A, White, D, Wickwire, R, Wilson, J, Winter, D, Wu, H, Wu, L, Wulansatiti Nursanto, M, Yeh, C, Yohay, R, Yu, D, Yu, G, Yu, S, Yuan, C, Yumiceva, F, Yusuff, I, Zacharopoulou, A, Zamiatin, N, Zarubin, A, Zenz, S, Zghiche, A, Zhang, H, Zhang, J, Zhang, Y, Zhang, Z, Acar B., Adamov G., Adloff C., Afanasiev S., Akchurin N., Akgun B., Khan F., Alhusseini M., Alison J., Alpana A., Altopp G., Alyari M., An S., Anagul S., Andreev I., Aspell P., Atakisi I., Bach O., Baden A., Bakas G., Bakshi A., Bannerjee S., Bargassa P., Barney D., Beaudette F., Beaujean F., Becheva E., Becker A., Behera P., Belloni A., Bergauer T., Besancon M., Bhattacharya S., Bhowmik D., Bilki B., Bloch P., Bodek A., Bonanomi M., Bonnemaison A., Bonomally S., Borg J., Bouyjou F., Bower N., Braga D., Brashear J., Brondolin E., Bryant P., Buchot Perraguin A., Bueghly J., Burkle B., Butler-Nalin A., Bychkova O., Callier S., Calvet D., Cao X., Cappati A., Caraway B., Caregari S., Cauchois A., Ceard L., Cekmecelioglu Y., Cerci S., Cerminara G., Chadeeva M., Charitonidis N., Chatterjee R., Chen Y., Chen Z., Cheng H., Cheng K., Chernichenko S., Cheung H., Chien C., Choudhury S., Coko D., Collura G., Couderc F., Danilov M., Dannheim D., Daoud W., Dauncey P., David A., Davies G., Davignon O., Day E., De Barbaro P., De Guio F., de La Taille C., De Silva M., Debbins P., Defranchis M., Delagnes E., Deltoro Berrio J., Derylo G., Dias de Almeida P., Diaz D., Dinaucourt P., Dittmann J., Dragicevic M., Dugad S., Dulucq F., Dumanoglu I., Dutta V., Dutta S., Dunser M., Eckdahl J., Edberg T., El Berni M., Elias F., Eno S., Ershov Y., Everaerts P., Extier S., Fahim F., Fallon C., Fedi G., Fontana Santos Alves B., Frahm E., Franzoni G., Freeman J., French T., Gandhi P., Ganjour S., Gao X., Garcia-Bellido A., Gastaldi F., Gecse Z., Geerebaert Y., Gerwig H., Gevin O., Ghosh S., Gilbert A., Gilbert W., Gill K., Gingu C., Gninenko S., Golunov A., Golutvin I., Gonzalez T., Gorbounov N., Gouskos L., Gray A., Gu Y., Guilloux F., Guler Y., Gulmez E., Guo J., Gurpinar Guler E., Hammer M., Hassanshahi H., Hatakeyama K., Heering A., Hegde V., Heintz U., Hinton N., Hirschauer J., Hoff J., Hou W. -S., Hou X., Hua H., Incandela J., Irshad A., Isik C., Jain S., Jheng H., Joshi U., Kachanov V., Kalinin A., Kalipoliti L., Kaminskiy A., Kapoor A., Kara O., Karneyeu A., Kaya M., Kaya O., Kayis Topaksu A., Khukhunaishvili A., Kieseler J., Kilpatrick M., Kim S., Koetz K., Kolberg T., Koseyan O., Kristic A., Krohn M., Kruger K., Kulagin N., Kulis S., Kunori S., Kuo C., Kuryatkov V., Kyre S., Lai Y., Lamichhane K., Landsberg G., Lange C., Langford J., Lee M., Levin A., Li A., Li B., Li J., Li Y., Liao H., Lincoln D., Linssen L., Lipton R., Liu Y., Lobanov A., Lu R. -S., Lupi M., Lysova I., Magnan A. -M., Magniette F., Mahjoub A., Maier A., Malakhov A., Mallios S., Mannelli M., Mans J., Marchioro A., Martelli A., Martinez G., Masterson P., Meng B., Mengke T., Mestvirishvili A., Mirza I., Moccia S., Mohanty G., Monti F., Morrissey I., Murthy S., Music J., Musienko Y., Nabili S., Nagar A., Nguyen M., Nikitenko A., Noonan D., Noy M., Nurdan K., Ochando C., Odegard B., Odell N., Okawa H., Onel Y., Ortez W., Ozegovic J., Ozkorucuklu S., Paganis E., Pagenkopf D., Palladino V., Pandey S., Pantaleo F., Papageorgakis C., Papakrivopoulos I., Parshook J., Pastika N., Paulini M., Paulitsch P., Peltola T., Pereira Gomes R., Perkins H., Petiot P., Pierre-Emile T., Pitters F., Popova E., Prosper H., Prvan M., Puljak I., Qu H., Quast T., Quinn R., Quinnan M., Ramos Garcia M., Rao K., Rapacz K., Raux L., Reichenbach G., Reinecke M., Revering M., Roberts A., Romanteau T., Rose A., Rovere M., Roy A., Rubinov P., Rusack R., Rusinov V., Ryjov V., Sahin M., Salerno R., Sanchez Rodriguez A., Saradhy R., Sarkar T., Sarkisla M., Sauvan J., Schmidt I., Schmitt M., Scott E., Seez C., Sefkow F., Sharma S., Shein I., Shenai A., Shukla R., Sicking E., Sieberer P., Silva P., Simsek A., Sirois Y., Smirnov V., Sozbilir U., Spencer E., Steen A., Strait J., Strobbe N., Su J., Sukhov E., Sun L., Sunar Cerci D., Syal C., Tali B., Tan C., Tao J., Tastan I., Tatli T., Thaus R., Tekten S., Thienpont D., Tiras E., Titov M., Tlisov D., Tok U., Troska J., Tsai L. -S., Tsamalaidze Z., Tsipolitis G., Tsirou A., Tyurin N., Undleeb S., Urbanski D., Ustinov V., Uzunian A., Van de Klundert M., Varela J., Velasco M., Viazlo O., Vicente Barreto Pinto M., Vichoudis P., Virdee T., Vizinho de Oliveira R., Voelker J., Voirin E., Vojinovic M., Wade A., Wang C., Wang F., Wang X., Wang Z., Wayne M., Webb S., Whitbeck A., White D., Wickwire R., Wilson J., Winter D., Wu H., Wu L., Wulansatiti Nursanto M., Yeh C., Yohay R., Yu D., Yu G., Yu S., Yuan C., Yumiceva F., Yusuff I., Zacharopoulou A., Zamiatin N., Zarubin A., Zenz S., Zghiche A., Zhang H., Zhang J., Zhang Y., and Zhang Z.

Abstract

This paper describes the experience with the calibration, reconstruction and evaluation of the timing capabilities of the CMS HGCAL prototype in the beam tests in 2018. The calibration procedure includes multiple steps and corrections ranging from tens of nanoseconds to a few hundred picoseconds. The timing performance is studied using signals from positron beam particles with energies between 20 GeV and 300 GeV. The performance is studied as a function of particle energy against an external timing reference as well as standalone by comparing the two different halves of the prototype. The timing resolution is found to be 60 ps for single-channel measurements and better than 20 ps for full showers at the highest energies, setting excellent perspectives for the HGCAL calorimeter performance at the HL-LHC.

Published
2024

43. Magnetic and Superconducting Phase Diagram of Nb/Gd/Nb trilayers

Author

Khaydukov, Yu. N., Vasenko, A. S., Kravtsov, E. A., Progliado, V. V., Zhaketov, V. D., Csik, A., Nikitenko, Yu. V., Petrenko, A. V., Keller, T., Golubov, A. A., Kupriyanov, M. Yu., Ustinov, V. V., Aksenov, V. L., and Keimer, B.

Subjects
Condensed Matter - Superconductivity, Condensed Matter - Mesoscale and Nanoscale Physics, Condensed Matter - Strongly Correlated Electrons
Abstract

We report on a study of the structural, magnetic and superconducting properties of Nb(25nm)/Gd($d_f$)/Nb(25nm) hybrid structures of a superconductor/ ferromagnet (S/F) type. The structural characterization of the samples, including careful determination of the layer thickness, was performed using neutron and X-ray scattering with the aid of depth sensitive mass-spectrometry. The magnetization of the samples was determined by SQUID magnetometry and polarized neutron reflectometry and the presence of magnetic ordering for all samples down to the thinnest Gd(0.8nm) layer was shown. The analysis of the neutron spin asymmetry allowed us to prove the absence of magnetically dead layers in junctions with Gd interlayer thickness larger than one monolayer. The measured dependence of the superconducting transition temperature $T_c(d_f)$ has a damped oscillatory behavior with well defined positions of the minimum at $d_f$=3nm and the following maximum at $d_f$=4nm; the behavior, which is in qualitative agreement with the prior work (J.S. Jiang et al, PRB 54, 6119). The analysis of the $T_c(d_f)$ dependence based on Usadel equations showed that the observed minimum at $d_f$=3nm can be described by the so called "$0$" to "$\pi$" phase transition of highly transparent S/F interfaces with the superconducting correlation length $\xi_f \approx 4$nm in Gd. This penetration length is several times higher than for strong ferromagnets like Fe, Co or Ni, simplifying thus preparation of S/F structures with $d_f \sim \xi_f$ which are of topical interest in superconducting spintronics.

Published
2018
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44. Effect of Cr spacer on structural and magnetic properties of Fe/Gd multilayers

Author

Drovosekov, A. B., Ryabukhina, M. V., Kholin, D. I., Kreines, N. M., Manuilovich, E. A., Savitsky, A. O., Kravtsov, E. A., Proglyado, V. V., Ustinov, V. V., Keller, T., Khaydukov, Yu. N., Choi, Y., and Haskel, D.

Subjects
Condensed Matter - Materials Science
Abstract

In this work we analyse the role of a thin Cr spacer between Fe and Gd layers on structure and magnetic properties of a [Fe(35A)/Cr(tCr)/Gd(50A)/Cr(tCr)]x12 superlattice. Samples without the Cr spacer (tCr=0) and with a thin tCr=4A are investigated using X-ray diffraction, polarized neutron and resonance X-ray magnetic reflectometry, SQUID magnetometery, magneto-optical Kerr effect and ferromagnetic resonance techniques. Magnetic properties are studied experimentally in a wide temperature range 4-300K and analysed theoretically using numerical simulation on the basis of the mean-field model. We show that a reasonable agreement with the experimental data can be obtained considering temperature dependence of the effective field parameter in gadolinium layers. The analysis of the experimental data shows that besides a strong reduction of the antiferromagnetic coupling between Fe and Gd, the introduction of Cr spacers into Fe/Gd superlattice leads to modification of both structural and magnetic characteristics of the ferromagnetic layers.

Published
2017
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45. Double-spiral magnetic structure of the Fe/Cr multilayer revealed by nuclear resonance scattering

Author

Andreeva, M. A., Baulin, R. A., Chumakov, A. I., Rueffer, R., Smirnov, G. V., Babanov, Y. A., Devyaterikov, D. I., Milyaev, M. A., Ponomarev, D. A., Romashev, L. N., and Ustinov, V. V.

Subjects
Condensed Matter - Mesoscale and Nanoscale Physics, J.2
Abstract

We have studied the magnetization depth profiles in a [57Fe(dFe)/Cr(dCr)]x30 multilayer with ultrathin Fe layers and nominal thickness of the chromium spacers dCr 2.0 nm using nuclear resonance scattering of synchrotron radiation. The presence of a broad pure-magnetic half-order (1/2) Bragg reflection has been detected at zero external field. The joint fit of the reflectivity curves and Mossbauer spectra of reflectivity measured near the critical angle and at the "magnetic" peak reveals that the magnetic structure of the multilayer is formed by two spirals, one in the odd and another one in the even iron layers, with the opposite signs of rotation. The double-spiral structure starts from the surface with the almost antiferromagnetic alignment of the adjacent Fe layers. The rotation of the two spirals leads to nearly ferromagnetic alignment of the two magnetic subsystems at some depth, where the sudden turn of the magnetic vectors by ~180 deg (spin-flop) appears, and both spirals start to rotate in opposite directions. The observation of this unusual double-spiral magnetic structure suggests that the unique properties of giant magneto-resistance devices can be further tailored using ultrathin magnetic layers., Comment: 9 pages, 3 figures

Published
2017
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46. Chemical potential of quasi-equilibrium magnon gas driven by pure spin current

Author

Demidov, V. E., Urazhdin, S., Divinskiy, B., Bessonov, V. D., Rinkevich, A. B., Ustinov, V. V., and Demokritov, S. O.

Subjects
Condensed Matter - Mesoscale and Nanoscale Physics
Abstract

We show experimentally that the spin current generated by the spin Hall effect drives the magnon gas in a ferromagnet into a quasi-equilibrium state that can be described by the Bose-Einstein statistics. The magnon population function is characterized either by an increased effective chemical potential or by a reduced effective temperature, depending on the spin current polarization. In the former case, the chemical potential can closely approach, at large driving currents, the lowest-energy magnon state, indicating the possibility of spin current-driven Bose-Einstein condensation.

Published
2017
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48. Resonant excitation of the spin-wave current in hybrid nanostructures

Author

Lyapilin, I. I., Okorokov, M. S., and Ustinov, V. V.

Subjects
Condensed Matter - Mesoscale and Nanoscale Physics
Abstract

Using the non-equilibrium statistical operator method (NSO), we have investigated the spin transport through the interface in a semiconductor/ferromagnetic insulator hybrid structure. We have analyzed the approximation of effective parameters, when each of the considered subsystems (conduction electrons, magnons, and phonons) is characterized by its effective temperature. We have constructed the macroscopic equations, describing the spin-wave current caused by both resonantly excited spin system of conduction electrons and by an inhomogeneous thermal field in the ferromagnetic insulator.

Published
2016
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