【摘要】 文章介绍了用Am-Be中子源得到5-10MeV能区单能γ射线,以及在反应堆上得到高能单色低本底γ射线的方法。它们可以用来刻度γ探测器如Ge(Li),HPGe,NaI(Tl)和BGO等的能量线性,能量分辨和相对效率。更多还原

【Abstract】 In the paper a method is introduced which is used to produce discretegamma rays in 5-10 MeV region by means of a～10~5n/s Am-Be neutron sourcethrough the radiation capture process. High energy monochromatic gamma rays with low level background areproduced utilizlng resonance scattering on Pb of gamma rays from the Fe (n, γ)reaction induced by the reactor thermal neutrons. The device is very simple and can conveniently be used for the energycalibration and relative efficiency determination of various gamma rays detectorssuch as Ge(Li), HpGe, NaI(Tl), BGO, etc.更多还原