Three dimensional parametrization of electromagnetic shower in Alpha Magnetic Spectrometer Ⅱ ECAL

We develop an empirical formula to parameterize the 3-dimension （3D） distribution of electromagnetic showers in the Alpha Magnetic Spectrometer Ⅱ electromagnetic calorimeter（ECAL）. The formula was verified by ECAL test beam data in 2002 and found to perform well. The distribution of electron showers...

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Bibliographic Details
Published in:Chinese physics C 2008-03, Vol.32 (3), p.191-195, Article 191
Main Author: 陶军全 杨民 陈国明 李祖豪 李新乔 唐志成 张震 王健
Format: Article
Language:English
Subjects:
ECAL
三维参数
分光计
电磁热量计
经验式
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Summary:We develop an empirical formula to parameterize the 3-dimension （3D） distribution of electromagnetic showers in the Alpha Magnetic Spectrometer Ⅱ electromagnetic calorimeter（ECAL）. The formula was verified by ECAL test beam data in 2002 and found to perform well. The distribution of electron showers in the ECAL are well described by the formula, which has parameters that allow one to determine the 3D shape of electromagnetic showers in the ECAL. We use this formula to correct for lateral energy leakage and dead channels in the ECAL; good results are obtained.
ISSN:1674-1137
0254-3052
2058-6132
DOI:10.1088/1674-1137/32/3/006