Study of BESⅡ Barrel Shower Counter Performance

DU Shu-Xian; YUAN Chang-Zheng; LIU Jue-Ping; QI Na-Ding

Chinese Physics C> 2003, Vol. 27> Issue(6) : 521-525

Study of BESⅡ Barrel Shower Counter Performance

Physical Science and Technical College,Wuhan University,Wuhan 430072,China2 Institute of High Energy Physics,CAS,Beijing 100039,China

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Abstract：
The performance of BESⅡ Barrel Shower Counter (BSC) was carefully studied. Calibration and reconstruction of BSC were improved. Better determination of z coordinate,better resolutions on z coordinate and angle were achieved. A method to determine correct shower developping direction was given.

References

[1]	. BES Collab.Nucl.Instr.Meth.,1994,A344:3192. ZHAO Hai-Wen et al.High Energy Physics and Nuclear Physics,1999,23:846—853(in Chinese)(赵海文等.高能物理与核物理,1999,23:846—853)3. LI Hai-Bo et al.High Energy Physics and Nuclear Physics,1999,23:607—615(in Chinese)(李海波等.高能物理与核物理,1999,23:607—615)

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DU Shu-Xian, YUAN Chang-Zheng, LIU Jue-Ping and QI Na-Ding. Study of BESⅡ Barrel Shower Counter Performance[J]. Chinese Physics C, 2003, 27(6): 521-525.

DU Shu-Xian, YUAN Chang-Zheng, LIU Jue-Ping and QI Na-Ding. Study of BESⅡ Barrel Shower Counter Performance[J]. Chinese Physics C, 2003, 27(6): 521-525. shu

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Received: 2002-09-12
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Study of BESⅡ Barrel Shower Counter Performance

Corresponding author: DU Shu-Xian,

Physical Science and Technical College,Wuhan University,Wuhan 430072,China2 Institute of High Energy Physics,CAS,Beijing 100039,China

Received Date: 2002-09-12
Accepted Date: 1900-01-01
Available Online: 2003-06-05

Abstract: The performance of BESⅡ Barrel Shower Counter (BSC) was carefully studied. Calibration and reconstruction of BSC were improved. Better determination of z coordinate,better resolutions on z coordinate and angle were achieved. A method to determine correct shower developping direction was given.