Monte Carlo simulation of the property of a scintillation bar in the multi-neutron correlation spectrometer

SONG Yu-Shou; YE Yan-Lin; GE Yu-Cheng; L&Uuml; Lin-Hui; Faisal Q.; JIANG Dong-Xing; HUA Hui; ZHENG Tao; LI Zhi-Huan; LI Xiang-Qing; LOU Jian-Ling; LU Fei; FAN Feng-Ying; CAO Zhong-Xin; LI Qi-Te; XIAO Jun

doi:10.1088/1674-1137/33/10/008

Chinese Physics C> 2009, Vol. 33> Issue(10) : 860-865 DOI: 10.1088/1674-1137/33/10/008

Monte Carlo simulation of the property of a scintillation bar in the multi-neutron correlation spectrometer

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Abstract：
To perform a kinematically complete measurement of the dissociation reaction for neutron-rich nuclei, a multi-neutron correlation spectrometer is proposed at Peking University. A Monte Carlo simulation code based on GEANT4 is developed for a single scintillation bar which processes not only the energy deposition but also the light propagation in the scintillator and the light collection and conversion to signal at the end of the bar in a realistic way. The simulating method is described in detail in this paper, and the timing and position resolutions and detector efficiency are studied based on the simulation and compared with the experimental results. A new method of crosstalk rejection has been demonstrated to be important for the design of the whole spectrometer.

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SONG Yu-Shou, YE Yan-Lin, GE Yu-Cheng, LÜ Lin-Hui, Faisal Q., JIANG Dong-Xing, HUA Hui, ZHENG Tao, LI Zhi-Huan, LI Xiang-Qing, LOU Jian-Ling, LU Fei, FAN Feng-Ying, CAO Zhong-Xin, LI Qi-Te and XIAO Jun. Monte Carlo simulation of the property of a scintillation bar in the multi-neutron correlation spectrometer[J]. Chinese Physics C, 2009, 33(10): 860-865. doi: 10.1088/1674-1137/33/10/008

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Received: 2008-12-15
Revised: 2009-03-27

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沈阳化工大学材料科学与工程学院沈阳 110142

Monte Carlo simulation of the property of a scintillation bar in the multi-neutron correlation spectrometer

Corresponding author: YE Yan-Lin,

Received Date: 2008-12-15
Accepted Date: 2009-03-27
Available Online: 2009-10-05

Abstract:

To perform a kinematically complete measurement of the dissociation reaction for neutron-rich nuclei, a multi-neutron correlation spectrometer is proposed at Peking University. A Monte Carlo simulation code based on GEANT4 is developed for a single scintillation bar which processes not only the energy deposition but also the light propagation in the scintillator and the light collection and conversion to signal at the end of the bar in a realistic way. The simulating method is described in detail in this paper, and the timing and position resolutions and detector efficiency are studied based on the simulation and compared with the experimental results. A new method of crosstalk rejection has been demonstrated to be important for the design of the whole spectrometer.