雷姆计在屏蔽墙内测量高能中子的修正因子

在中能重离子反应中出射的E_n>20MeV中子在出射总中子中占有相当大的比例,因此,当用雷姆计测量剂量当量时,由于仪器的能量响应,雷姆计的直接读数低于真实的中子剂量当量值,本文从重离子反应出射中子能谱入手,理论上计算了在屏蔽墙内用10in,直径单球雷姆计和标准A-B雷姆计测量41.7MeV/u ¹²C+Fe和100MeV/u ¹²C+C反应出射中子剂量当量的修正因子. 它可以近似应用于中能重离子反应出射中子的剂量当量测量.

Rem-Meter Correction Factor for Measuring High Energy Neutrons Inside Shielding

The dose equivalent of neutrons from intermediate energy heavy ion reactions measured with a rem-meter would be underestimated because of the energy response of the instrument. Therefore the readings of rem-meter must be corrected in order to obtain the real dose equivalent The correction factors for dose equivalent ofneutrons from the reactions of 41.7MeV/u 12C Fe and 100MeV /u 12C C measured inside . shielding with both rem-meters the 1 0 in. diameter single-sphere rem-meter and the standard A-B rem-meter have been calculated. They could be applied in dose equivalent measurement for intermediate energy heavy ion reactions.