Influence of the target chamber structure on measuring absolute neutron yield

Abstract

The three target chambers of different structures adapted in D-T reaction were introduced. Accompanied α-particle spectra at different direction to D+ beam were monitored and compared. Back ground from scattered α particles was reduced obviously using improved single chamber, and ratio of peak to valley of a-particle spectrum was about 450:1. Accounts of sum peak from two α particles were 1. 8% of total ones of α-particle spectrum. The small peak of tritium particles with 1.01MeV re sulting from D (d, p) T reaction was seen clearly.

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