In this paper, two types of time-resolved spectroscopy using synchrotron radiation as the excitation light source, one based on time-correlated single photon counting and the other on phase-modulation, are described and compared.
文章主要介绍以同步辐射为激发光源研究时间分辨光谱的两种方法———时间相关单光子计数法和相移调制法，并比较了两者的优缺点。
Calculation of Effective Doses for External Photons to Human Body with Monte Carlo Method;
用蒙特卡罗方法计算光子外照射对人体产生的有效剂量
Exploration of the photon rest mass effects in axions experiments by using the laser beam traveling through a strong magnetic field;
用强场激光探测轴子实验中的光子静质量效应
Application of two-dimensional neutron and Photon transport code DOT3.5 in radiation shielding design of HT-7U device;
二维中子-光子输运计算程序DOT3.5在核聚变实验装置HT—7U辐射屏蔽设计中的应用
Research on energy distribution of second electrons from photons impacting with atoms in tissue equivalent material;
光子在组织等效介质中产生的次级电子能量分布研究
When photons are described by double-wave theory, they become quantum particles with localization.
用双波理论描述光子 ,使光子成为具有定域性的量子粒子。
To research the energy distribution rules of second electrons from photons with different energy which impact with atoms in tissue equivalent material.
为探讨不同能量光子在组织等效物质中产生的次级电子在能量上的分布规律,依据理论分析和计算的方法,明确了水作为组织等效材料的合理性,利用MC方法中粒子输运技术,对光子在介质中行为进行了大量的模拟计算,得到了不同能量光子与介质中原子(H、O)相互作用的事件类型的比例分布情况以及在这些事件中产生的次级电子能量分布的真实情形,并获得了重要研究结论:1、光子能量小于28keV时,光子与介质原子之间的作用以光电效应为主;2、能量为28～30keV的光子,光电效应与康普顿散射几率大致相等;3、能量大于30keV的光子,康普顿散射事件逐步占据主导地位,这种事件几率随光子能量的增加而增大。