2002•Zhongguo yixue wulixue zazhiRequires access

The design of accelerator-based epithermal neutron source target used in boron neutron capture therapy

Shanglian Bao

Abstract

A design of metal Lithium target for accelerator 7 Li (p,n) 7 Be reaction neutron source is proposed,and neutron yield is calculated.The moderation of neutron in light water and the impact of neutron reflector on neutron spectrum are investigated with the Monte Carlo method.It is concluded that neutrons produced by accelerator with 7 Li(p,n) 7 Be reaction and then moderated by light water of5cm thickness can be used as the epithermal neutron source of boron neutron capture therapy.

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Key concepts: Neutron capture, Neutron source, Neutron, Boron, Neutron cross section, Neutron moderator, Materials science, Radiochemistry