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Si Lambda vio: A trigger for Lambda-hyperons

Authors
Muenzer, RobertBerger, MartinFabbietti, LauraAverbeck, R.Andronic, A.Barret, V.Basrak, Z.Bastid, N.Benabderrahmane, M. L.Buehler, P.Cargnelli, M.Caplar, R.Carevic, I.Charviakova, V.Crochet, P.Deppner, I.Dupieux, P.Dzelalija, M.Fodor, Z.Gasik, P.Gasparic, I.Grishkin, Y.Hartmann, O. N.Herrmann, N.Hildenbrand, K. D.Hong, B.Kang, T. I.Kecskemeti, J.Kim, Y. J.Kirejczyk, M.Kis, M.Kienle, P.Koczon, P.Kotte, R.Lebedev, A.Leifels, Y.Liu, J. L.Lopez, X.Manko, V.Marton, J.Matulewicz, T.Petrovici, M.Piasecki, K.Rami, F.Reischl, A.Reisdorf, W.Ryu, M. S.Schmidt, P.Schuettauf, A.Seres, Z.Sikora, B.Sim, K. S.Simion, V.Siwek-Wilczynska, K.Smolyankin, V.Suzuki, K.Tyminski, Z.Wagner, P.Widmann, E.Wisniewski, K.Xiao, Z. G.Yamazaki, T.Yushmanov, I.Zhang, X. Y.Zhilin, A.Zinyuk, V.Zmeskal, J.
Issue Date
1-5월-2014
Publisher
ELSEVIER
Keywords
Silicon; Mesytec; APV25; MIPS; Lambda; Trigger
Citation
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, v.745, pp.38 - 49
Indexed
SCIE
SCOPUS
Journal Title
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume
745
Start Page
38
End Page
49
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/98550
DOI
10.1016/j.nima.2014.01.050
ISSN
0168-9002
Abstract
As online trigger for events containing Lambda hyperons in p + p collisions at 3.1 GeV a silicon-based device has been designed and built. This system has been integrated close to the target region within the FM spectrometer at GSI and was also employed as a tracking device to improve the vertex reconstruction of secondary decays. The design of the detector components, read-out, the trigger capability as well as the tracking performance are presented. An enrichment factor of about 14 was achieved for events containing a Lambda-hyperon candidate. (C) 2014 Elsevier B.V. All rights reserved.
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