用活化法测量自成靶陶瓷中子管的中子发生率

Measurement of neutron generation rate of ceramic neutron tubes by activation method

以自成靶陶瓷中子管内Ｄ、Ｔ离子束流高斯型分布为依据，建立了中子管中子发生率与中子场中某一点通量密度之间的理论联系，采用活化法间接测量得６０ｍｍ自成靶陶瓷中子管的中子发生率为２．２×１０／ｓ。

Based on the Gaussian distribution of D and T ion beam currents on the target of a neutron tube, a dependence of the neutron generation rate on the neutron flux density at a certain point in the neutron field was derived theoretically. Then the neutron generation rate for the 60mm neutron tube was estimated to be 2.2×10/s by measuring the flux density at a certain point with the activation method.