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Development of an intranuclear-cascade code CBIM applicable to the nuclear reaction with incident particle energy above 45 MeV
其他题名粒子(E≥45MeV)核内级联Monte Carlo模拟程序研究
Hu ZL(胡志良); Zhou B(周斌); Ceng ZR(曾智蓉); Liang TJ(梁天骄); Hu, ZL; Zhou, B; Zeng, ZR; Liang, TJ
2016
发表期刊ACTA PHYSICA SINICA
卷号65期号:23
通讯作者梁天骄
文章类型Journal article (JA)
摘要The Monte Carlo intra-nuclear cascade program CBIM has been developed for describing spallation reactions involving protons, neutrons and pions on complex nuclei. In order to describe cascade process, several simplifications and assumptions are made in the following: firstly, neither reaction, nor reflection, nor refraction, nor ionization will be taken into account before the incident particle enters into the target nucleus; secondly, target nucleus is regarded as being spherical and the atom number should be greater than 2; thirdly, the knocked nucleon is determined by cross section sampling; finally, in the center-of-mass frame, the scattering angle is sampled based on differential cross section distribution. The basis physics model is based on the above assumptions and Bertini intra-nuclear cascade model; meanwhile, nucleon-nucleon angle differential distributions of INCL in the center-of-mass frame are introduced to overcome the shortage of Bertini model. The interactions between nucleon and nucleon or between nucleon and pion, such as elastic scattering, pion production and charge exchange, are included in the code. In the particles collision, the nucleon density changes with the target nucleus radius; and the interaction cross sections refer to 22 kinds of experimental cross sections in Bertini model. The intra-nuclear cascades induced by 45-3500 MeV neutron, proton or pion below 2500 MeV can be simulated by this code. Finally, comparisons between experimental reaction cross section over the energy range 60-378 MeV, and some simulation results by MCNPX, GEANT4 and PHITS over the energy range 65-3000 MeV show that they are in reasonable agreement with the CBIM results over the broad energy range considered.
关键词nucleon pion intranuclear-cascade Monte Carlo method
学科领域Physics
DOI10.7498/aps.65.232501
关键词[WOS]THEORETICAL CALCULATIONS
收录类别SCI ; EI
语种中文
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000392922100006
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260206
专题东莞分部
实验物理中心
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714
Hu ZL,Zhou B,Ceng ZR,et al. Development of an intranuclear-cascade code CBIM applicable to the nuclear reaction with incident particle energy above 45 MeV[J]. ACTA PHYSICA SINICA,2016,65(23).
APA 胡志良.,周斌.,曾智蓉.,梁天骄.,Hu, ZL.,...&Liang, TJ.(2016).Development of an intranuclear-cascade code CBIM applicable to the nuclear reaction with incident particle energy above 45 MeV.ACTA PHYSICA SINICA,65(23).
MLA 胡志良,et al."Development of an intranuclear-cascade code CBIM applicable to the nuclear reaction with incident particle energy above 45 MeV".ACTA PHYSICA SINICA 65.23(2016).
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