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Otani, F.; Adamczyk, K.; Aihara, H.; Bacher, S.; Bahinipati, S.; Baudot, J.; Behera, P.K.; Bettarini, S.; Bilka, T.; Bozek, A.; Buchsteiner, F.; Casarosa, G.; Corona, L.; Das, S.B.; Dujany, G.; Finck, C.; Forti, F.; Friedl, M.; Gabrielli, A.; Gobbo, B.; Halder, S.; Hara, K.; Hazra, S.; Higuchi, T.; Irmler, C.; Ishikawa, A.; Kaleta, M.; Kaliyar, A.B.; Kang, K.H.; Kohriki, T.; Kumar, R.; Lalwani, K.; Lautenbach, K.; Leboucher, R.; Libby, J.; Martel, L.; Massaccesi, L.; Mohanty, G.B.; Mondal, S.; Nakamura, K.R.; Natkaniec, Z.; Onuki, Y.; Paladino, A.; Paoloni, E.; Rao, K.K.; Ravindran, K.; Ripp-Baudot, I.; Rizzo, G.; Sato, Y.; Schwanda, C.; Serrano, J.; Shimasaki, T.; Suzuki, J.; Tanaka, S.; Tenchini, F.; Thalmeier, R.; Tiwary, R.; Tsuboyama, T.; Uematsu, Y.; Vitale, L.; Wang, Z.; Wiechczynski, J.; Yin, H.; Zani, L.; Zeng, F.
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 10/2024, Letnik: 1067Journal Article
The Belle II experiment searches for beyond-the-standard-model physics using the Belle II detector and SuperKEKB collider. The silicon vertex detector (SVD) is crucial for particle tracking. After the 1.5-year shutdown from June 2022, Run 2 began in January 2024; Run 2 operation shows stable noise levels, high signal-to-noise ratios, and hit efficiency over 99%. To manage higher beam background from increased luminosity, new techniques such as hit-time selection and cluster grouping are being developed. These methods increase the acceptable level of occupancy by distinguishing hits from triggered collisions and other sources.
