^(241)Am-Be源在煤中所形成中子场的参数拟合

Parameters fitting of the neutron field formed by ^(241)Am-Be neutron source in the coal

研究了7种煤中主要元素对241Am-Be中子源在煤中形成中子场的影响,给出了描述中子场中快中子和热中子数量变化曲线的经验公式和拟合参数。

The effect of seven principal elements in the coal on the neutron field formed by 241AmBe neutron source is researched. The empirical formulas that describe the fast and thermal neutron curves and fitting parameters are presented.