宇宙μ子在$^{56}$ Fe中产生的中子非弹性散射中的Gamma ray产生
Gamma ray production in inelastic scattering of neutrons produced by cosmic muons in $^{56}$Fe
摘要：
本文报道了中子在$^{56}$ Fe中非弹性散射后发射的几条γ谱线的强度研究。中子是由宇宙μ子通过放置在地球表面的20吨重的铁立方体产生的，铁立方体被用作HPGe探测器的被动屏蔽。用$^{252}$ Cf中子在同一铁屏蔽中收集的结果与探测到的γ线的相对强度作了比较。对已公布的数据，从中子散射实验在能量高达14兆电子伏的评估也提供。
英文摘要：
We report on the study of the intensities of several gamma lines emitted after the inelastic scattering of neutrons in $^{56}$Fe. Neutrons were produced by cosmic muons passing the 20t massive iron cube placed at the Earth's surface and used as a passive shield for the HPGe detector. Relative intensities of detected gamma lines are compared with the results collected in the same iron shield by the use of $^{252}$Cf neutrons. Assessment against the published data from neutron scattering experiments at energies up to 14 MeV is also provided.
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