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Data quality monitors of vertex detectors at the start of the Belle II experiment

2020; EDP Sciences; Volume: 245; Linguagem: Inglês

10.1051/epjconf/202024501035

2101-6275

P. Kodyš, Jesus Abudinen, K. Ackermann, K. Adamczyk, P. Ahlburg, H. Aihara, Oscar Alonso, Mohammed Albalawi, L. Andricek, R. Ayad, Tariq Aziz, Varghese Babu, S. Bacher, S. Bahinipati, Giovanni Batignani, J. Baudot, P. K. Behera, S. Bettarini, T. Bilka, M. Boronat, A. Bożek, N. Braun, F. Buchsteiner, A. Caldwell, C. Camien, G. Casarosa, D. Červenkov, V. Chekelian, Yeqi Chen, L. Corona, T. Czank, S. Das, N. Dash, G. de Marino, B. Deschamps, Á. Diéguez, J. Dingfelder, Z. Doležal, G. Dujany, D. Esperante Pereira, F. Forti, M. Fras, A. Frey, M. Friedl, J. Fuster, Miroslav Gabriel, K. Gadow, E. Ganiev, U. Gebauer, Thomas Geßler, G. Giakoustidis, L. Li Gioi, B. Gobbo, P. Gomis, D. Greenwald, Y. Guan, S. Halder, K. Hara, O. Hartbrich, S. Hazra, Martin Heck, T. Hemperek, Martin Hensel, T. Higuchi, M. Hoek, S. Huber, Ryosuke Itoh, C. Irmler, A. Ishikawa, Hyebin Jeon, C. Joo, M. Kaleta, A. B. Kaliyar, J. Kandra, K. H. Kang, Piotr Julian Kapusta, C. Kiesling, B. Kisielewski, D. Kittlinger, Daniel Klose, Christian Koffmane, T. Kohriky, Tomoyuki Kono, I. Konorov, S. Krivokuca, H. Krüger, T. Kuhr, Manish Kumar, R. Kumar, Peter Kvasnicˇka, C. Lacasta, Chiara La Licata, K. Lalwani, L. Lanceri, J. S. Lange, Klemens Lautenbach, S. C. Lee, U. Leis, P. Leitl, D. Levit, Chunhua Li, Yao Li, James Frederick Libby, Gerhard Liemann, Qingyuan Liu, Zhi Liu, Thomas Lück, F. Luetticke, L. Macharski, S. Maity, C. Mariñas, S.N. Mayekar, S. Mccarney, G. B. Mohanty, J. A. Mora Grimaldo, T. Morii, Hans-Günther Moser, David Moya, F. Müller, F. Müller, K. R. Nakamura, Mikihiko Nakao, Z. Natkaniec, C. Niebuhr, J. Ninković, Y. Onuki, W. Ostrowicz, A. Paladino, E. Paoloni, H. Park, S.-H. Park, B. Paschen, S. Paul, I‎. ‎Perić, Frauke Poblotzki, Andrei Rabusov, K. Rao, S. Reiter, Rainer Richter, I. Ripp-Baudot, M. Ritter, M. Ritzert, G. Rizzo, N. Rout, D. Sahoo, J. González Sánchez, L. Šantelj, Nobuhiko Sato, B. Scavino, Gerhard Schäller, M. Schnecke, F. Schopper, H. Schreeck, C. Schwanda, B. Schwenker, R. Sedlmeyer, C. Sfienti, F. Simon, S. Skambraks, Yuri Soloviev, B. Spruck, S. Stefkova, R. Stever, U. Stolzenberg, S. Suzuki, M. Takahashi, E. Tafelmayer, Shuji Tanaka, H. Tanigawa, Richard Thalmeier, T. Tsuboyama, Y. Uematsu, O. Verbycka, I. Vila, Amparo Lopez Virto, L. Vitale, S. Vogt, M. Vos, Kun Wan, Wang Boqun, Shun Watanuki, J. Angus Webb, N. Wermes, C. Wessel, J. Wiechczynski, P. Wieduwilt, H. Windel, S. Yamada, H. Ye, Hao Yin, L. Zani, Tingyu Zhang,

Radiation Detection and Scintillator Technologies

The Belle II experiment features a substantial upgrade of the Belle detector and will operate at the SuperKEKB energy-asymmetric e + e − collider at KEK in Tsukuba, Japan. The accelerator completed its first phase of commissioning in 2016, and the Belle II detector saw its first electron-positron collisions in April 2018. Belle II features a newly designed silicon vertex detector based on double-sided strip layers and DEPFET pixel layers. A subset of the vertex detector was operated in 2018 to determine background conditions (Phase 2 operation). The collaboration completed full detector installation in January 2019, and the experiment started full data taking. This paper will report on the final arrangement of the silicon vertex detector part of Belle II with a focus on online monitoring of detector conditions and data quality, on the design and use of diagnostic and reference plots, and on integration with the software framework of Belle II. Data quality monitoring plots will be discussed with a focus on simulation and acquired cosmic and collision data.