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Proton Emission Cross Sections for Bombardment of Stainless Steel by 14.6-MeV Neutrons

Yangmei Fan, Bangjiao Ye, Zhongmin Wang, Rongdian Han, Xiaoqi Yu, Huaijiang Du, Zhenxi Xiao

Fusion Science and Technology

Volume 33 / Number 4 / July 1998 / Pages 462-467


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Proton emissions from the reaction of neutrons with stainless steel at a 14.6-MeV neutron energy are measured using a multitelescope system. A 1Cr18Ni9Ti (Type 321) stainless steel is used. The double-differential cross sections (DDCS) of 16 reaction angles from 25 to 165 deg are obtained in this measurement. The energy spectra and the angular distributions of proton emissions are obtained from the DDCS. The angular distributions show a slightly energy-dependent forward-backward asymmetry. The total proton emission cross section is 229 ± 16 mb for a proton energy >2 MeV.

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