Study of light output and response function of liquid organic scintillator for high-energy neutron spectrometry

D. Satoh, T. Sato, A. Endo, N. Matsufuji, S. Sato, M. Takada, K. Ishibashi
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引用次数: 1

Abstract

In order to investigate the relationship between kinetic energy of charged particles and light output of liquid organic scintillator, response functions for proton, deuteron, triton, /sup 3/He nucleus and alpha particle have been measured at heavy-ion medical accelerator in Chiba (HIMAC) of National Institute of Radiological Sciences (NIRS). The charged particles were generated by 400 MeV/u C ion bombardment with a thick graphite target. Kinetic energies were determined by time-of-flight (TOF) technique. Energy loss during their flight was calculated by PHITS code and taken into account at energy-correction. Light output for proton was also measured using mono-energy proton beam of 100 and 160 MeV supplied by accelerator. Kinetic energy of proton beam was changed by inserting Al plates onto beam axis as an energy absorber. The experimental results gave a new database of light output.
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高能中子光谱分析中液体有机闪烁体的光输出和响应函数研究
为了研究带电粒子的动能与液体有机闪烁体光输出的关系,在国立放射科学研究所(NIRS)千叶重离子医用加速器上测量了质子、氘核、triton、/sup 3/He核和α粒子的响应函数。用400 MeV/u的碳离子轰击厚石墨靶产生带电粒子。动能由飞行时间(TOF)技术测定。飞行过程中的能量损失由PHITS代码计算,并在能量校正时考虑。利用加速器提供的100 MeV和160 MeV单能质子束,测量了质子的光输出。通过在质子束轴上插入铝板作为能量吸收体,改变了质子束的动能。实验结果给出了一个新的光输出数据库。
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