ALICE/PHOS Photon Discrimination Simulation

ZHOU Jing; MENG Qiu-ying; LI Xiao-mei; ZHOU Shu-hua

doi:10.11804/NuclPhysRev.21.01.012

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Article Navigation > Nuclear Physics Review > 2004 > 21(1): 12-16

ZHOU Jing, MENG Qiu-ying, LI Xiao-mei, ZHOU Shu-hua. ALICE/PHOS Photon Discrimination Simulation[J]. Nuclear Physics Review, 2004, 21(1): 12-16. doi: 10.11804/NuclPhysRev.21.01.012

Citation:

ZHOU Jing, MENG Qiu-ying, LI Xiao-mei, ZHOU Shu-hua. ALICE/PHOS Photon Discrimination Simulation[J]. Nuclear Physics Review, 2004, 21(1): 12-16. doi: 10.11804/NuclPhysRev.21.01.012

ALICE/PHOS Photon Discrimination Simulation

doi: 10.11804/NuclPhysRev.21.01.012

China Institute of Atomic Energy, Beijing 102413, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2004-03-20

Abstract

The photon discrimination power of the ALICE photon spectrometer is simulated for incident particles n， p，π+， K+and γ with random energy distribution in the range from 0.5 to 100 GeV. The pricipale component analysis method is used to reduce the number of parameters in the shower shape analysis， and the results are compared with that from the seven parameter topology analysis.The efficiency dependence of purity for the photon discrimination is obtained for the deposited energy range 0.5—10， 10—20， 20—50 and 50—100 GeV.
- photon discrimination,
- pricipal component analysis,
- ALICE photon spectrometer
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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