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 ...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.展开更多
基金Supported by the National Natural Science Foundation of China under Grant Nos 11105187 and 11075189, the ＇100 Talents Project＇ of Chinese Academy of Sciences under Grant Nos 0910020BR0 and Y010110BR0, ADS project 302 of Chinese Academy of Sciences under Grant No Y103010ADS, and the Program of the Visiting Professorship of Senior International Scientists of Chinese Academy of Sciences.
文摘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.
