BESⅢ barrel time-of-flight (TOF) calibration using cosmic ray data

YAN Jie; SUN Sheng-Sen; LI Cheng; HE Kang-Lin

doi:10.1088/1674-1137/34/3/012

Chinese Physics C> 2010, Vol. 34> Issue(3) : 368-373 DOI: 10.1088/1674-1137/34/3/012

BESⅢ barrel time-of-flight (TOF) calibration using cosmic ray data

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Abstract：
The principle of the method for the BESⅢ TOF calibration using cosmic ray data without magnetic field are reported in this paper. After applying calibration constants, the single-end readout time resolution could reach about 150 ps, and the time resolution for one layer is achieved to be about 110 ps. The paper also described the extraction scheme for the event start time of cosmic events.

References

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. BEPCⅡ Preliminary Design Report, 20022. BES0 Preliminary Design Report, 20043. Harris F A (BES Collab.). arXiv:physics/06060594. LI Wei-Dong, LIU Huai-Min et al. The Offline Software forthe BES0 Experiment. Proceeding of CHEP06. Mum-bai India, 20065. Physics at BES-0. arXiv:0809.1869 [hep-ex]6. Particle Data Group. Phys. Lett. B, 2008, 667: 2547. GU Jian-Hui, YU Zhong-Qiang et al. HEP NP, 1996,20(1): 26-31 (in Chinese)8. GUO Yun-jun, HE Kang-Lin. HEP NP, 2007, 31(11):1050-1055 (in Chinese)9. WANG Liang-Liang et al. HEP NP, 2007, 31(2): 183-188. (in Chinese)10. RONG Gang et al. HEP NP, 2001, 25(2): 154-159 (in Chinese)11. MA Xiang et al. HEP NP, 2008, 32(9): 744-74912. Abramowitz, Milton. Handbook of Mathematical Functionswith Formulas, Graphs, and Mathematical Tables. Stegun,IreneA, eds. New York: Dover Publications, 1972. ISBN978-0-486-61272-0

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YAN Jie, SUN Sheng-Sen, LI Cheng and HE Kang-Lin. BESⅢ barrel time-of-flight (TOF) calibration using cosmic ray data[J]. Chinese Physics C, 2010, 34(3): 368-373. doi: 10.1088/1674-1137/34/3/012

YAN Jie, SUN Sheng-Sen, LI Cheng and HE Kang-Lin. BESⅢ barrel time-of-flight (TOF) calibration using cosmic ray data[J]. Chinese Physics C, 2010, 34(3): 368-373. doi: 10.1088/1674-1137/34/3/012 shu

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Received: 2009-05-07
Revised: 2009-06-22

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沈阳化工大学材料科学与工程学院沈阳 110142

BESⅢ barrel time-of-flight (TOF) calibration using cosmic ray data

Corresponding author: SUN Sheng-Sen,

Received Date: 2009-05-07
Accepted Date: 2009-06-22
Available Online: 2010-03-05

Abstract:

The principle of the method for the BESⅢ TOF calibration using cosmic ray data without magnetic field are reported in this paper. After applying calibration constants, the single-end readout time resolution could reach about 150 ps, and the time resolution for one layer is achieved to be about 110 ps. The paper also described the extraction scheme for the event start time of cosmic events.