Performance studies of the Belle II Silicon Vertex Detector with data taken at the DESY test beam in April 2016 Article Swipe

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DESY Detector Vertex (graph theory) Physics Silicon Beam (structure) Nuclear physics Optics Optoelectronics Computer science Theoretical computer science Graph

Thomas Lück , K. Adamczyk , H. Aihara , C. Angelini , Tariq Aziz , V. Babu , S. Bacher , S. Bahinipati , E. L. Barberio , Ti. Baroncelli , To. Baroncelli , Abdul Basith , Giovanni Batignani , Anton J. Bauer , P. K. Behera , T. Bergauer , S. Bettarini , B. Bhuyan , T. Bilka , F. Bosi , L. Bosisio , A. Bożek , F. Buchsteiner , Lukas Bulla , G. Caria , G. Casarosa , M. Ceccanti , D. Červenkov , S.R. Chendvankar , N. Dash , G. De Pietro , S.T. Divekar , Z. Doležal , D. Dutta , F. Forti , M. Friedl , K. Hara , T. Higuchi , T. Horiguchi , C. Irmler , A. Ishikawa , H. B. Jeon , C. Joo , J. Kandra , Naoshige Kambara , K. H. Kang , T. Kawasaki , P. Kodyš , T. Kohriki , S. T. Koike , M.M. Kolwalkar , R. Kumar , Kun Wei , P. Kvasnička , C. La Licata , L. Lanceri , Jakob Lettenbichler , J. Libby , M. Maki , P. Mammini , S.N. Mayekar , G. B. Mohanty , S. Mohanty , T. Morii , K. R. Nakamura , Z. Natkaniec , Y. Onuki , W. Ostrowicz , A. Paladino , E. Paoloni , H. Park , F. Pilo , A. Profeti , K. Rao , I. Rashevskaya , G. Rizzo , P. K. Resmi , M. Różańska , J. Sasaki , N. Sato , S. Schultschik , C. Schwanda , Y. Seino , Noritaka Shimizu , U. Stolzenberg , J. Stypula , J. Suzuki , Shuji Tanaka , G. N. Taylor , R. Thalmeier , R. Thomas , T. Tsuboyama , S. Uozumi , P. Urquijo , L. Vitale , M. Watanabe , S. Watanuki , I. J. Watson , J. Angus Webb , J. Wiechczynski ·

YOU? · · 2017 · Open Access · · DOI: https://doi.org/10.22323/1.287.0057 · OA: W2748080091

Belle II is a multipurpose detector currently under construction which will be operated at the next generation B-factory SuberKEKB in Japan. Its main devices for the vertex reconstruction are the Silicon Vertex Detector (SVD) and the Pixel Detector (PXD). In April 2016 a sector of the Belle II SVD and PXD have been tested in a beam of high energetic electrons at the test beam facility at DESY Hamburg (Germany). We report here the results for the hit efficiency estimation and the measurement of the resolution for the Belle II silicon vertex etector. We find that the hit efficiencies are on average above 99.5% and that the measured resolution is within the expectations.