Research on Identification of μ,π with BESⅢ μ Ιdentifier

YOU Zheng-Yun; MAO Ya-Jun; ZHANG Jia-Wen

Chinese Physics C> 2004, Vol. 28> Issue(9) : 977-981

Research on Identification of μ,π with BESⅢ μ Ιdentifier

Department of Technical Physics,School of Physics,Peking University,Beijing 100871,China2 Institute of High Energy Physics,CAS,Beijing 100039,China

Abstract
HTML
Reference
Related

PDF

Abstract：
The final states created by e+e- annihilation at τ-charm energy region are simulated with PYTHIA5.7,and the resultant inclusive muon production cross sections and momentum distributions are obtained.The muon identifier of BESⅢ detector is fully simulated with Geant3.21.For the simulated events containing muons and pions with momentum greater than 0.5GeV/c,the BP neural network and Fisher discriminant method are used for muon/pion identification.BP neural network performs better than Fisher discriminant method.With the same muon efficiency of 96%,the misidentification of pion by BP neural network is 9.4%,in comparison with that of 17.1% by Fisher method.

References

[1]

. YUAN Chang-Zheng et al . HEP NP ,2002 ,26 (12) :1—8 (in Chinese)(苑长征等. 高能物理与核物理,2002 ,26 (12) :1 —8)2. LI Wei-Guo. Overview of BEPC Ⅱ/ BES Ⅲ Project ,Talk Given on BES Ⅲ International Review ,Sep. 16 —28 ,2002 ,Beijing3. MAO Ya-Jun et al . Atomic Energy Science and Technology ,1998 , 32(2) :146 —151 (in Chinese)(冒亚军等. 原子能科学技术,1998 ,32 (2) :146—151)4. Mjahed M. Nucl . Instrum. and Methods ,2000 ,A449 :602—6085. Horn D. Nucl . Instrum. and Methods ,1997 ,A389 :381—3876. Eide A et al . Nucl . Instrum. and Methods ,1996 ,A368 :855—8587. ZHANG Zi-Ping et al . HEPNP ,1997 ,21(4) :297—303 (in Chinese)(张子平等·高能物理与核物理,1997 ,21 (4) :297—303)8. Hagan M T et al . Neural Network Design. U. S. A:PWS Publishing Com2pany ,1996 ,197—257

[1]	, , . Particle Identification using Artificial Neural Networks at BESIII. Chinese Physics C, 2008, 32(1): 1-8. doi: 10.1088/1674-1137/32/1/001
[2]	XIE Yu-Guang , ZHANG Jia-Wen , LIU Qian , HAN Ji-Feng , QIAN Sen , YAO Ning , ZHAO Jian-Bing , CHEN Jin , LI Jian-Cheng . Performance Study of RPC Prototypes for the BESⅢ Muon Detector. Chinese Physics C, 2007, 31(1): 70-75.
[3]	GUO Yun-Jun , HE Kang-Lin . Muon Identification Using the Efficiencies Ratio Method at BESⅡ. Chinese Physics C, 2007, 31(11): 1050-1055.
[4]	DENG Zi-Yan , CAO Guo-Fu , FU Cheng-Dong , HE Miao , LIU Huai-Min , MAO Ya-Jun , XIA Yu , YOU Zheng-Yun , YUAN Ye , TANG Rui , LIU Ying-Jie , MA Qiu-Mei , MA Xiang , , , , . Object-Oriented BESⅢ Detector Simulation System. Chinese Physics C, 2006, 30(5): 371-377.
[5]	SHAN Li-Min , SHANG Lei , WANG Zhi-Gang , XIE Wen-Jie , QIN Gang , LIU Chun-Xiu , YU Bo-Xiang , DONG Ming-Yi , CAI Xiao , ZHOU Li , XIA Xiao-Mi , LAI Yuan-Fen , WANG Man , LIU Wan-Jin , SUN Li-Jun , FANG Jian , HE Miao , HU Tao , LV Jun-Guang . Time Information Study of CsI(Tl) Crystal Calorimeter of BESⅢ. Chinese Physics C, 2006, 30(11): 1091-1095.
[6]	YUAN Chang-Zheng . Hadron Spectroscopy and Charmonium Decays from BES and CLEOc. Chinese Physics C, 2006, 30(6): 488-496.
[7]	XU Yan-Bing , YUAN Shuang-Gui , YANG Wei-Fan , NIU Yan-Ning , DING Hua-Jie . Identification of ^186mTa. Chinese Physics C, 2004, 28(S1): 53-55.
[8]	LI Shu-Min , YUAN Chang-Zheng , HE Kang-Lin , FANG Shuang-Shi , WANG Wen-Feng , LU Feng , SHEN Xiao-Yan . Study of Photon Detection Efficiency at BESⅡ. Chinese Physics C, 2004, 28(8): 859-865.
[9]	LIU Chun-Xiu , FU Cheng-Dong , ZHOU Li , ZHANG Qin-Jian , XIA Xiao-Mi , LAI Yuan-Fen , LI Jin , FANG Jian , CHEN Yuan , CAI Xiao , SHANG Lei , WANG Man , LU Jun-Guang , WANG Yi-Fang . Monte Carlo Study of Performance of BES Ⅲ CsI Crystal Calorimeter. Chinese Physics C, 2004, 28(4): 335-339.
[10]	XIN Bo , YUAN Chang-Zheng , MA Feng-Cai . Multi-Variable Particle ID for BESⅡ Physics Analysis. Chinese Physics C, 2004, 28(6): 621-625.
[11]	HUANG Liang , MAO Ze-Pu , ZHAO Wei-Ren , SUN Liang-Feng , ZHANG Chang-Chun , MA Qiu-Mei , QIU Jin-Fa , HUANG Xiu-Ping , YUAN Ye . Offline Calibration of BES Ⅱ Muon Detector. Chinese Physics C, 2003, 27(11): 949-953.
[12]	ZHU Ying-Chun , SHEN Xiao-Yan , ZHENG Zhi-Peng . Monte Carlo Simulation of Searching for Glueball on BEPCⅡ/BESⅢ. Chinese Physics C, 2003, 27(7): 559-563.
[13]	WANG Zheng , YUAN Chang-Zheng , QI Na-Ding . Study of BES Ⅱ Muon Counter Performance. Chinese Physics C, 2003, 27(8): 716-721.
[14]	LI Hui-Hong , LIU Feng , LI Jin , YUAN Chang-Zheng , WANG Zhi-Yong . Study of the p and p Identification at BES Ⅱ. Chinese Physics C, 2003, 27(8): 659-664.
[15]	ZHENG Jian-Ping , BAI Jing-Zhi , ZHAO Meng , YANG Chun-Min , SUN Han-Sheng , LI Jin , LI Xiao-Nan , MAO Ze-Pu , CHEN Guang-Pei , YANG Hong-Xun , LIU Yan , YUAN Ye , SHEN Hong , LIU Zhong-Xiu , WAN Zong-Ru , YANG Jie . Vertex Chamber of BESⅡ. Chinese Physics C, 2001, 25(5): 423-428.
[16]	Zhang Ziping , Chen Hongfang , Ye Shuwei , Zhao Jiawei . Identification of e,μ,π by Neural Network in BES. Chinese Physics C, 1997, 21(4): 297-303.
[17]	Chen Guoming , Chen Gang . Identifying Tau Hadronic Decay with Neural Network. Chinese Physics C, 1995, 19(8): 692-702.
[18]	Zhang Li , Jin Genming , Zhao Jinhua , Yang Weifan , Yang Yongfeng , Zhao Zhizheng , Zheng Jiwen , Sun Xiurong , Wang Jicheng , Li Zongwei , Qin Zhi , Guo Guanghui . Identification of ²⁰⁸Hg. Chinese Physics C, 1994, 18(4): 296-301.
[19]	ZHANG Liang-Sheng , XU Zhi-Qing , CHEN Le-Jun , ZHANG Ying-Ping , GAO Wen-Xiu , WEI Cheng-Lin . PRELIMINARY INVESTIGATION OF SQS COUNTER AS MUON IDENTIFIER. Chinese Physics C, 1984, 8(1): 118-121.
[20]	XU Zhi-Qing , CHEN Le-Jun , ZHANG Ying-Ping , ZHANG Liang-Sheng , GAO Wen-Xiu . MONITORING THE CONCENTRATION OF WORKING GAS IN μ-COUNTER MODEL BY CHROMATOGRAPHY. Chinese Physics C, 1984, 8(2): 248-251.

Access

Get Citation

YOU Zheng-Yun, MAO Ya-Jun and ZHANG Jia-Wen. Research on Identification of μ,π with BESⅢ μ Ιdentifier[J]. Chinese Physics C, 2004, 28(9): 977-981.

YOU Zheng-Yun, MAO Ya-Jun and ZHANG Jia-Wen. Research on Identification of μ,π with BESⅢ μ Ιdentifier[J]. Chinese Physics C, 2004, 28(9): 977-981. shu

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

Received: 2004-01-13
Revised: 1900-01-01

Article Metric

Article Views(2888)
PDF Downloads(674)
Cited by(0)

Policy on re-use

To reuse of subscription content published by CPC, the users need to request permission from CPC, unless the content was published under an Open Access license which automatically permits that type of reuse.

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Research on Identification of μ,π with BESⅢ μ Ιdentifier

Corresponding author: YOU Zheng-Yun,

Department of Technical Physics,School of Physics,Peking University,Beijing 100871,China2 Institute of High Energy Physics,CAS,Beijing 100039,China

Received Date: 2004-01-13

Accepted Date: 1900-01-01

Available Online: 2004-09-05

Abstract: The final states created by e+e- annihilation at τ-charm energy region are simulated with PYTHIA5.7,and the resultant inclusive muon production cross sections and momentum distributions are obtained.The muon identifier of BESⅢ detector is fully simulated with Geant3.21.For the simulated events containing muons and pions with momentum greater than 0.5GeV/c,the BP neural network and Fisher discriminant method are used for muon/pion identification.BP neural network performs better than Fisher discriminant method.With the same muon efficiency of 96%,the misidentification of pion by BP neural network is 9.4%,in comparison with that of 17.1% by Fisher method.

HTML

Reference (1)

Research on Identification of μ,π with BESⅢ μ Ιdentifier

Abstract：

References

Access

Article Metrics

Metrics

通讯作者: 陈斌, bchen63@163.com

Email This Article