Comparison of the Methods Used in the Scintillator γ Spectrum Fitting

XU Tong; SHAO Ming; LI Cheng; CHEN Hong-Fang; XU Zi-Zong

Chinese Physics C> 2001, Vol. 25> Issue(4) : 343-347

Comparison of the Methods Used in the Scintillator γ Spectrum Fitting

Department of Modern Physics, University of Science and Technology of China, Hefei 230027, China

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Abstract：
Several fitting methods that are applied on the γ spectrum to determine the light output of low light yield scintillators were compared with Monte Carlo simulation and real data. Deviations of the light yield to fitting values from different methods are evaluated. The stability of the fitting methods in the cases of varying background and varying fitting range is also studied.

References

[1]

. The Technical Design Report of the Electromagnetic Calorimeter Project, CMSTDR4, CERN/LHCC97-33, 1997 2. WU Jian et al. High Energy Phys. and Nucl. Phys., 1998, 22 (6):481-485(in Chinese)(伍建等. 高能物理与核物理, 1998, 22(6): 481-485)3. Baccaro S et al. Nucl Instr. and Meth., 1997, A325:694. XU Tong et al. A Fast Convolution Fitting Method for γ S pectrum from Scintillator, Journal of Univ. Of Sci. and Tech. of China, 2000, (in Chinese)accepted(许彤等. 中国科学技术大学学报,2000, 待发表) 5. GEANT3, CERNLIB Program Library Long Write up, W5013,1994 6. LI Zu-Hao et al. High Energy Phys. and Nucl. Phys., 1999, 23 :1148(in Chinese)(李祖豪等. 高能物理与核物理, 1999, 23:1148)

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XU Tong, SHAO Ming, LI Cheng, CHEN Hong-Fang and XU Zi-Zong. Comparison of the Methods Used in the Scintillator γ Spectrum Fitting[J]. Chinese Physics C, 2001, 25(4): 343-347.

XU Tong, SHAO Ming, LI Cheng, CHEN Hong-Fang and XU Zi-Zong. Comparison of the Methods Used in the Scintillator γ Spectrum Fitting[J]. Chinese Physics C, 2001, 25(4): 343-347. shu

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Received: 2000-03-06
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

Comparison of the Methods Used in the Scintillator γ Spectrum Fitting

Corresponding author: XU Tong,

Department of Modern Physics, University of Science and Technology of China, Hefei 230027, China

Received Date: 2000-03-06
Accepted Date: 1900-01-01
Available Online: 2001-04-05

Abstract: Several fitting methods that are applied on the γ spectrum to determine the light output of low light yield scintillators were compared with Monte Carlo simulation and real data. Deviations of the light yield to fitting values from different methods are evaluated. The stability of the fitting methods in the cases of varying background and varying fitting range is also studied.