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The Belle II SVD data readout system

  • R. Thalmeier
  • , K. Adamczyk
  • , H. Aihara
  • , C. Angelini
  • , T. Aziz
  • , V. Babu
  • , S. Bacher
  • , S. Bahinipati
  • , E. Barberio
  • , Ti Baroncelli
  • , To Baroncelli
  • , A. K. Basith
  • , G. Batignani
  • , A. Bauer
  • , P. K. Behera
  • , T. Bergauer
  • , S. Bettarini
  • , B. Bhuyan
  • , T. Bilka
  • , F. Bosi
  • L. Bosisio, A. Bozek, F. Buchsteiner, L. Bulla, G. Casarosa, M. Ceccanti, D. Cervenkov, S. R. Chendvankar, N. Dash, S. T. Divekar, Z. Doleźal, D. Dutta, F. Forti, M. Friedl, K. Hara, T. Higuchi, T. Horiguchi, C. Irmler, A. Ishikawa, H. B. Jeon, C. Joo, J. Kandra, K. H. Kang, E. Kato, T. Kawasaki, P. Kodyś, T. Kohriki, S. Koike, M. M. Kolwalkar, P. Kvasnićka, L. Lanceri, J. Lettenbicher, T. Lueck, M. Maki, P. Mammini, S. N. Mayekar, G. B. Mohanty, S. Mohanty, T. Morii, K. R. Nakamura, Z. Natkaniec, K. Negishi, N. K. Nisar, Y. Onuki, W. Ostrowicz, A. Paladino, E. Paoloni, H. Park, F. Pilo, A. Profeti, K. K. Rao, I. Rashevskaya, G. Rizzo, M. Rozanska, J. Sasaki, N. Sato, S. Schultschik, C. Schwanda, Y. Seino, N. Shimizu, J. Stypula, J. Suzuki, S. Tanaka, K. Tanida, G. N. Taylor, R. Thomas, T. Tsuboyama, S. Uozumi, P. Urquijo, L. Vitale, S. Watanuki, I. J. Watson, J. Webb, J. Wiechczynski, S. Williams, B. Würkner, H. Yamamoto, H. Yin, T. Yoshinobu
  • Austrian Academy of Sciences
  • H. Niewodniczanski Institute of Nuclear Physics
  • The University of Tokyo
  • University of Pisa
  • National Institute for Nuclear Physics
  • Tata Institute of Fundamental Research
  • Indian Institute of Technology Bhubaneswar
  • University of Melbourne
  • Indian Institute of Technology Madras
  • Indian Institute of Technology Guwahati
  • Charles University
  • University of Trieste
  • High Energy Accelerator Research Organization, Tsukuba
  • Tohoku University
  • Kyungpook National University
  • Niigata University
  • Utkal University
  • Seoul National University
  • Tokyo University of Science

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

The Belle II Experiment at the High Energy Accelerator Research Organization (KEK) in Tsukuba, Japan, will explore the asymmetry between matter and antimatter and search for new physics beyond the standard model. 172 double-sided silicon strip detectors are arranged cylindrically in four layers around the collision point to be part of a system which measures the tracks of the collision products of electrons and positrons. A total of 1748 radiation-hard APV25 chips read out 128 silicon strips each and send the analog signals by time-division multiplexing out of the radiation zone to 48 Flash Analog Digital Converter Modules (FADC). Each of them applies processing to the data; for example, it uses a digital finite impulse response filter to compensate line signal distortions, and it extracts the peak timing and amplitude from a set of several data points for each hit, using a neural network. We present an overview of the SVD data readout system, along with front-end electronics, cabling, power supplies and data processing.

Keywords

  • Belle II Data Readout System

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