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利用中国原子能科学研究院HI-13串列加速器上的多探测器快中子飞行时间谱仪,测量了38个不同入射质子能量点下15N(p,n)15O反应0°角方向的激发函数.测量数据用蒙特卡罗方法进行了模拟,以进行中子注量衰减和入射窗厚度的不确定度修正.实验在入射质子能量位于6.029-8.056 MeV之间时发现了3个共振峰,这一点与DROSG-2000评价数据及PTB数据相符合,但三家的截面数值存在差异,对这些差异需要作进一步深入探讨.

参考文献

[1] Erik P(o)nitz,Ralf Nolte,Dankwart Schmidt.Investigation of the 15N(p,n)1.Reaction for Use as a Neutron Source in Scattering Experiments.Cape Town:Proceeding of the International Workshop on Fast Neutron Detectors,University of Cape Town,South Africa,April 3-6,2006.
[2] Drosg M,DROSG-2000,Codes and Database for 59 Neutron Source Reactions,Documented in the IAEA report IAEANDS-87 Rev.8 (January 2003),received from the IAEA Nulear Data Seaction.
[3] Sa Jun,Tang Hongqing,Zhou Zuying,et al.Atomic Energy Science and Engineeing,1992,26(6):1(in Chinese).(撒骏,唐洪庆,周祖英,等.原子能科学技术,1992,26(6):1.)
[4] Schmidt D,Siebert B R L.Fast Neutron Spectrometery and Monte-Carlo Simulation:The Codes SINENA and STREUER.Germany:PTB,2000.
[5] Dieze G,Klein H.NRESP4 and NEFF4 Monte Carlo Codes for the Calculation of Neutron Response Functions and Detection Efficiencies for NE 213 Scintillation Detectors.Germany:PTB,1982.
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