Performance studies of Belle II silicon vertex detector

  • K. Lalwani
  • , H. Aihara
  • , T. Aziz
  • , S. Bacher
  • , S. Bahinipati
  • , E. Barberio
  • , Ti Baroncelli
  • , To 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, K. H. Kang, P. Kodyš, T. Kohriki, I. Komarov, M. Kumar, R. Kumar, P. Kvasnička, C. la Licata, L. Lanceri, J. Y. Lee, S. C. Lee, Y. Li, 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, K. K. Rao, I. Rashevskaya, P. K. Resmi, G. Rizzo, 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, K. Wan, M. Watanabe, S. Watanuki, I. J. Watson, J. Webb, J. Wiechczynski, S. Williams, H. Yin, L. Zani

Research output: Contribution to journalConference articlepeer-review

Abstract

The Belle II experiment at the SuperKEKB asymmetric-energy e+e collider in KEK, Japan will operate at an instantaneous luminosity of 8×1035 cm2s1, which is about 40 times larger than that of its predecessor, Belle. It is built with the aim of collecting a huge amount of data corresponding to an integrated luminosity of about 50 ab1 by 2025 for precise measurements of CP violation and searches for new physics, such as flavor-changing neutral currents, probing charged Higgs, new sources of CP violation, lepton-flavour violating decays, and searches for a dark photon. At this high luminosity, Belle II will face harsh backgrounds. To validate the performance of a key component of Belle II, the silicon vertex detector (SVD), in such a high rate and background environment, a detailed systematic performance study is essential using the offline reconstruction software. In this work, the performance of the Belle II SVD is validated using commissioning data for each double-sided silicon strip sensor. These studies help us to optimize the operation parameters of the SVD.

Original languageEnglish
JournalProceedings of Science
Volume348
StatePublished - 2018
Event27th International Workshop on Vertex Detectors, VERTEX 2018 - Muttukadu, Chennai, India
Duration: 22 Oct 201826 Oct 2018

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