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首页> 美国政府科技报告 >Update of Neutron Dose Yields as a Function of Energy for Protons and Deuterons Incident on Beryllium Targets
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Update of Neutron Dose Yields as a Function of Energy for Protons and Deuterons Incident on Beryllium Targets

机译：中子剂量产率的更新作为铍靶上的质子和氘核的能量函数

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Neutron absorbed dose yields (absorbed dose rates per unit incident current on targets at a given SAD or SSD) increase with incident charged particle energy for both protons and deuterons. Analyses of neutron dose yield versus incident particle energy have been performed for both deuterons and protons. It is the purpose of this report to update those analyses by pooling all of the more recent published results and to reanalyze the trend of yield, Y, versus incident energy, E, which in the past has been described by an expression of the form Y = aE/sup b/, where a and b are empirical constants. From the reanalyzed trend it is concluded that for a given size cyclotron (E/sub p/ = 2E/sub d/), the dose yields using protons are higher than those using deuterons up to a proton energy E/sub p/ of 64 MeV. (ERA citation 09:007324)

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