TY - JOUR
T1 - The Belle II silicon vertex detector assembly and mechanics
AU - Belle II SVD collaboration
AU - Adamczyk, K.
AU - Aihara, H.
AU - Angelini, C.
AU - Aziz, T.
AU - Babu, V.
AU - Bacher, S.
AU - Bahinipati, S.
AU - Barberio, E.
AU - Baroncelli, Ti
AU - Baroncelli, To
AU - Basith, A. K.
AU - Batignani, G.
AU - Bauer, A.
AU - Behera, P. K.
AU - Bergauer, T.
AU - Bettarini, S.
AU - Bhuyan, B.
AU - Bilka, T.
AU - Bosi, F.
AU - Bosisio, L.
AU - Bozek, A.
AU - Buchsteiner, F.
AU - Bulla, L.
AU - Casarosa, G.
AU - Ceccanti, M.
AU - Červenkov, D.
AU - Chendvankar, S. R.
AU - Dash, N.
AU - Divekar, S. T.
AU - Doležal, Z.
AU - Dutta, D.
AU - Forti, F.
AU - Friedl, M.
AU - Hara, K.
AU - Higuchi, T.
AU - Horiguchi, T.
AU - Irmler, C.
AU - Ishikawa, A.
AU - Jeon, H. B.
AU - Joo, C. W.
AU - Kandra, J.
AU - Kang, K. H.
AU - Kato, E.
AU - Kawasaki, T.
AU - Kodyš, P.
AU - Kohriki, T.
AU - Koike, S.
AU - Kolwalkar, M. M.
AU - Kvasnička, P.
AU - Uozumi, S.
N1 - Publisher Copyright:
© 2016 Elsevier B.V.
PY - 2017/2/11
Y1 - 2017/2/11
N2 - The Belle II experiment at the asymmetric SuperKEKB collider in Japan will operate at an instantaneous luminosity approximately 50 times greater than its predecessor (Belle). The central feature of the experiment is a vertex detector comprising two layers of pixelated silicon detectors (PXD) and four layers of double-sided silicon microstrip detectors (SVD). One of the key measurements for Belle II is CP violation asymmetry in the decays of beauty and charm hadrons, which hinges on a precise charged-track vertex determination and low-momentum track measurement. Towards this goal, a proper assembly of the SVD components with precise alignment ought to be performed and the geometrical tolerances should be checked to fall within the design limits. We present an overview of the assembly procedure that is being followed, which includes the precision gluing of the SVD module components, wire-bonding of the various electrical components, and precision 3D coordinate measurements of the final SVD modules. Finally, some results from the latest test-beam are reported.
AB - The Belle II experiment at the asymmetric SuperKEKB collider in Japan will operate at an instantaneous luminosity approximately 50 times greater than its predecessor (Belle). The central feature of the experiment is a vertex detector comprising two layers of pixelated silicon detectors (PXD) and four layers of double-sided silicon microstrip detectors (SVD). One of the key measurements for Belle II is CP violation asymmetry in the decays of beauty and charm hadrons, which hinges on a precise charged-track vertex determination and low-momentum track measurement. Towards this goal, a proper assembly of the SVD components with precise alignment ought to be performed and the geometrical tolerances should be checked to fall within the design limits. We present an overview of the assembly procedure that is being followed, which includes the precision gluing of the SVD module components, wire-bonding of the various electrical components, and precision 3D coordinate measurements of the final SVD modules. Finally, some results from the latest test-beam are reported.
KW - Silicon module construction
KW - Silicon vertex tracker
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U2 - 10.1016/j.nima.2016.03.100
DO - 10.1016/j.nima.2016.03.100
M3 - Article
AN - SCOPUS:84971668402
SN - 0168-9002
VL - 845
SP - 38
EP - 42
JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
ER -