Studies on Angular Resolution of Lead-Scintillating Fiber Electro-Magnetic Calorimeter |
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| Authors: | WANG Xiao-Bin CHEN Guo-Ming LI Zu-Hao CHEN Gang YANG Ming YANG Zhao-Yu ZHANG Shao-He LU Yu-Sheng CHEN He-Sheng |
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| Institution: | Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, CAS, Beijing 100049, China |
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| Abstract: | Analyzing methods on the angular resolution of lead-scintillating fiber electromagnetic calorimeter are studied. The space resolution function, which is used to calculate weights,is extracted from Monte-Carlo simulation. Better angular resolution was obtained from the beam test data of AMS ECAL in 2002 at CERN, when the space resolution function was used in the fit. Different ways to calculate the centers of gravity,to choose the layers to fit the incidence direction are also discussed. |
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