NUCLEAR PHYSICS |
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A Module Test of CCDA: an Array to Select the Centrality of Collisions in Heavy Ion Collisions |
FU Fen1, LIN Wei-Ping1,2**, LIU Xing-Quan1, HUANG Mei-Rong1, WADA Roy1**, ZHANG Su-Ya-La-Tu1,2, SHI Fu-Dong1, HAN Rui1,2, JIN Zeng-Xue1,2, LIU Jian-Li1, REN Pei-Pei1,2, ZHAO Ming-Hui1,2, CHEN Zhi-Qiang1, WANG Jian-Song1 |
1Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000 2University of Chinese Academy of Sciences, Beijing 100049
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Cite this article: |
FU Fen, LIN Wei-Ping, LIU Xing-Quan et al 2014 Chin. Phys. Lett. 31 082502 |
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Abstract A test result of a module for the collision centrality detector array (CCDA), a simple detector array for the event classification of the centrality, is presented. The CsI(Tl) module has PMTs on both ends to read out signals. The beam test results indicate that it provides a good light charged particles (LCP) identification and a reasonable energy resolution. The energy spectra of LCPs are compared with the GEANT simulation.
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PACS: |
25.70.Pq
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(Multifragment emission and correlations)
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29.40.Mc
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(Scintillation detectors)
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Abstract
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