Longitudinal Leakage Correction of Uniformly Sampling Electromagnetic Calorimeter

LI Zu-Hao; CHEN Guo-Ming; CHEN Gang; YANG Chang-Gen; YANG Min; WANG Xiao-Bin; ZHANG Shao-He; YANG Zhao-Yu; LU Yu-Sheng; CHEN He-Sheng

Chinese Physics C> 2004, Vol. 28> Issue(11) : 1188-1192

Longitudinal Leakage Correction of Uniformly Sampling Electromagnetic Calorimeter

Institute of High Energy Physics, CAS,Beijing 100049,China

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Abstract：
Correction of longitudinal energy leakage for a lead scintillating fiber sandwiched electromagnetic calorimeter was studied. Electron data from AMS beam test in 2002 was analyzed. Γ-Function-Fit and Last-Layer-Energy-Deposit methods were used to correct longitudinal energy leakage. The linearity and resolution of energy were clearly improved after the correction. And the Last-Layer-Energy-Deposit method is more effective on energy resolution improving.

References

[1]

. Longo E. Nucl. Instrum. Methods, 2002, A486: 7-122. LI Zu-Hao, CHEN Guo-Ming, CHEN Gang et al. HEP NP, 2004, 28(5): 521(in Chinese)(李祖豪, 陈国明, 陈刚等高能物理与核物理, 2004, 28(5): 521)3. Longo E, Sestili I. Nucl. Instrum. Methods, 1975, 128: 2834. Rossi B. High Energy Particles, Englewood Cliffs. NJ: Prentice-HallInc., 1952

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LI Zu-Hao, CHEN Guo-Ming, CHEN Gang, YANG Chang-Gen, YANG Min, WANG Xiao-Bin, ZHANG Shao-He, YANG Zhao-Yu, LU Yu-Sheng and CHEN He-Sheng. Longitudinal Leakage Correction of Uniformly Sampling Electromagnetic Calorimeter[J]. Chinese Physics C, 2004, 28(11): 1188-1192.

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Received: 2004-03-12
Revised: 1900-01-01

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