Nuclear fragmentation induced by low-energy antiprotons within a microscopic transport approach

doi:10.1103/PhysRevC.94.064601

	Nuclear fragmentation induced by low-energy antiprotons within a microscopic transport approach
	Feng, Zhao-Qing
刊名	PHYSICAL REVIEW C
	2016-12-01
卷号	94 页码:6
ISSN号	2469-9985
DOI	10.1103/PhysRevC.94.064601
英文摘要	Within the framework of the Lanzhou quantum molecular-dynamics transport model, the nuclear fragmentation induced by low-energy antiprotons has been investigated thoroughly. A coalescence approach is developed for constructing the primary fragments in phase space. The secondary decay process of the fragments is described by a well-known statistical code. It is found that the localized energy released in antibaryon-baryon annihilation is deposited in a nucleus mainly via pion-nucleon collisions, which leads to the emissions of pre-equilibrium particles, fission, evaporation of nucleons, light fragments, etc. The strangeness exchange reactions dominate the hyperon production. The averaged mass loss increases with the mass number of target nucleus. A bump structure in the domain of intermediate mass for heavy targets appears owing to the contribution of fission fragments.
资助项目	Major State Basic Research Development Program in China[2015CB856903] ; National Natural Science Foundation of China[11675226] ; National Natural Science Foundation of China[11175218]
WOS关键词	GAS PHASE-TRANSITION ; STOPPED ANTIPROTONS ; FISSION FRAGMENTS ; RESIDUAL NUCLEI ; ANNIHILATION ; EMISSION ; STRANGENESS ; DECAY
WOS研究方向	Physics
语种	英语
出版者	AMER PHYSICAL SOC
WOS记录号	WOS:000389026000003
资助机构	Major State Basic Research Development Program in China ; National Natural Science Foundation of China
内容类型	期刊论文
源URL	[http://119.78.100.186/handle/113462/43799]
专题	中国科学院近代物理研究所
通讯作者	Feng, Zhao-Qing
作者单位	Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
推荐引用方式 GB/T 7714	Feng, Zhao-Qing. Nuclear fragmentation induced by low-energy antiprotons within a microscopic transport approach[J]. PHYSICAL REVIEW C,2016,94:6.
APA	Feng, Zhao-Qing.(2016).Nuclear fragmentation induced by low-energy antiprotons within a microscopic transport approach.PHYSICAL REVIEW C,94,6.
MLA	Feng, Zhao-Qing."Nuclear fragmentation induced by low-energy antiprotons within a microscopic transport approach".PHYSICAL REVIEW C 94(2016):6.