Energy correction for the BGO calorimeter of DAMPE using an electron beam

The DArk Matter Particle Explorer is an orbital indirect dark matter search experiment which measures the spectra of photons, electrons and positrons originating from deep space. The electromagnetic calorimeter （ECAL）, made of bisnmth germinate （BGO）, is one of tile key sub-detectors of DAMPE, and i...

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Bibliographic Details
Published in:Chinese physics C 2016-08, Vol.40 (8), p.115-121
Main Author: 李志瑛 张志永 魏逸丰 王驰 张云龙 文思成 汪晓莲 许咨宗 黄光顺
Format: Article
Language:English
Subjects:
BGO
BGO (crystal)
Bismuth
Dark matter
Deep space
Geant4
Photons
Positrons
Space telescopes
Spectra
实验测量
数据校正
电子束
电磁量能器
粒子探测器
能量测量
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Summary:The DArk Matter Particle Explorer is an orbital indirect dark matter search experiment which measures the spectra of photons, electrons and positrons originating from deep space. The electromagnetic calorimeter （ECAL）, made of bisnmth germinate （BGO）, is one of tile key sub-detectors of DAMPE, and is designed for energy measurement with a large dynamic range from 5 GeV to 10 TeV. In this paper, methods for energy correction are discussed, in order to reconstruct the primary energy of the incident electrons. Different methods are chosen for the appropriate energy ranges. The correction results of Geant4 simulation and beam test data （at CERN） are presented.
ISSN:1674-1137
0254-3052
DOI:10.1088/1674-1137/40/8/086202