The simulation data of a portable thermal neutron radiography system

This dataset includes the energy spectrum and angular distribution data of D-D neutrons produced by the deuterium beam at a working condition of 200 keV/6 mA, the beam characteristics data of the sample plane after moderation and collimation, and the two-dimensional spatial distribution data of thermal neutrons transmitted through the Gd line-pair phantom."Energy spectrum and angular distribution data.xlsx" is the data on neutron characteristics of the D-D source obtained through multi-layer computing model."The beam characteristic data of the sample plane. opju" is the outgoing neutron beam characteristic data of the sample plane obtained through Monte Carlo simulation."Two-dimensional spatial distribution data. opju" is the data of transmitted thermal neutrons obtained through the Monte Carlo method for Gd line-pair phantom imaging.

本数据集包含工作参数为200 keV/6 mA的氘束产生的氘-氘中子能谱与角分布数据、经慢化准直后的样品平面束流特性数据，以及透过钆线对体模（Gd line-pair phantom）的透射热中子二维空间分布数据。其中，"Energy spectrum and angular distribution data.xlsx"为通过多层计算模型得到的D-D源中子特性数据；"The beam characteristic data of the sample plane. opju"为通过蒙特卡洛（Monte Carlo）模拟得到的样品平面出射中子束流特性数据；"Two-dimensional spatial distribution data. opju"为采用蒙特卡洛方法开展钆线对体模成像得到的透射热中子数据。