200 MeV以下光子诱发50,51V核反应数据理论计算  

Theoretical Calculation of Photonuclear Reaction Data for 50,51V with Photon Energy below 200 MeV

作　　者：李琳 刘玲[1] 续瑞瑞[2] 王记民[2] 陶曦[2] 田源[2] 金永利[2] 葛智刚[2] LI Lin;LIU Ling;XU Ruirui;WANG Jimin;TAO Xi;TIAN Yuan;JIN Yongli;GE Zhigang(College of Physical Science and Technology,Shenyang Normal University,Shenyang 110034,China;Key Laboratory of Nuclear Data,China Institute of Atomic Energy,Beijing 102413,China)

机构地区：[1]沈阳师范大学物理科学与技术学院,辽宁沈阳110034 [2]中国原子能科学研究院核数据重点实验室,北京102413

出　　处：《原子能科学技术》2020年第7期1185-1191,共7页Atomic Energy Science and Technology

基　　金：IAEA技术合作研究项目资助(CRP/F41032(20466));国家自然科学基金资助项目(U1630143,11775013,11305270,11465005,11875321)。

摘　　要：光核反应数据在辐射损伤、反应堆剂量、加速器屏蔽等方面有重要应用。本工作基于MEND-G程序,对200 MeV能量范围内光子诱发50,51V核反应数据进行理论计算,给出包含中子、质子、4He等主要出射粒子的核反应的数据;对光子诱发V同位素核反应的实验测量进行自洽性分析,结合光子强度函数和准氘模型,将光核反应吸收截面计算能力提升到200 MeV,为光核反应理论计算提供数据基础。经系统比对,理论计算值与实验测量值一致性很好,数据收录在即将发布的CENDL-3.2光核子数据库中。Photonuclear reaction data are very important for a large range of applications,such as the radiation damage,reactor dosimetry,accelerator shielding,etc.Based on MEND-G program,the photonuclear reaction data of neutrons,protons,4He and other major emergent particles for 50,51 V in the energy range of 0 to 200 MeV were calculated theoretically.The self-consistent analysis of the experimental measurement of photon-induced V isotope nuclear reaction was performed.The photon strength function and the quasi-deuteron model were used to increase the calculation capability of the photonuclear reaction absorption cross section to 200 MeV,providing data basis for the theoretical calculation of photonuclear reactions.After systematic comparison,the theoretical calculations are in good agreement with the experimental measurements,and the data are included in the sub-library of coming CENDL-3.2 for photonuclear data.

关 键 词：光核反应 50 51V 光子强度函数 核数据理论计算 

分 类 号：O571.421[理学—粒子物理与原子核物理]