Energy loss correction for a crystal calorimeter

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doi:10.1088/1674-1137/32/4/006

Chinese Physics C> 2008, Vol. 32> Issue(4) : 269-274 DOI: 10.1088/1674-1137/32/4/006

Energy loss correction for a crystal calorimeter

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Abstract：
Material effect of inner-detectors on the performances of the BESⅢ Electromagnetic Calorimeter (EMC) is investigated. The BESⅢ Time-Of-Flight counters (TOF) have been utilized to improve the energy resolution and detection efficiency for photons after a careful energy calibration. A matching algorithm between TOF and EMC energy deposits is developed, and the effects of beam-related background are discussed. The energy resolution is improved and the photon detection efficiency can be increased by the combined measurement of EMC and TOF detectors.

References

[1]

. Preliminary Design Report of the BESⅢ Detector, Jan,20042. WANG Y F. Int. J. Mod. Phys. A, 2006, 21: 53713. Nagayama S. Monte Carlo Study of ECL Performance,BELLE Note 374. Agostinelli S et al. Nucl. Instrum. Methods A, 1993, 506:2505. WANG Liang-Liang et al. HEP NP, 2007, 31(2): 183-188. (in Chinese)6. DENG Zi-Yan et al. HEP NP, 2006, 30(5): 371-377 (in Chinese)7. Seitz R. SLAC-BABAR-NOTE-2948. JIN Da-Peng et al. HEP NP, 2004, 28(11): 1197-1202(in Chinese)9. JIN Da-Peng et al. HEP NP, 2006, 30(5): 449-453 (in Chinese)

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, Energy loss correction for a crystal calorimeter[J]. Chinese Physics C, 2008, 32(4): 269-274. doi: 10.1088/1674-1137/32/4/006

, Energy loss correction for a crystal calorimeter[J]. Chinese Physics C, 2008, 32(4): 269-274. doi: 10.1088/1674-1137/32/4/006 shu

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Received: 2007-08-01
Revised: 2007-09-18

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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

Energy loss correction for a crystal calorimeter

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Received Date: 2007-08-01
Accepted Date: 2007-09-18
Available Online: 2008-04-05

Abstract: Material effect of inner-detectors on the performances of the BESⅢ Electromagnetic Calorimeter (EMC) is investigated. The BESⅢ Time-Of-Flight counters (TOF) have been utilized to improve the energy resolution and detection efficiency for photons after a careful energy calibration. A matching algorithm between TOF and EMC energy deposits is developed, and the effects of beam-related background are discussed. The energy resolution is improved and the photon detection efficiency can be increased by the combined measurement of EMC and TOF detectors.