Lambda-HYPERNUCLEUS PRODUCTION IN PROTON- INDUCED REACTION
Shen PN(沈彭年); Shen, PNA; Jing, HT; Chiang, HQ
刊名INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS
2009
卷号18期号:2页码:#REF!
学科分类Physics
通讯作者Shen, PNA (reprint author), Chinese Acad Sci, Inst High Energy Phys, POB 918 4, Beijing 100049, Peoples R China.
文章类型Article
英文摘要The Lambda-hypernucleus (LHN) production in the proton-induced reaction is studied in the distorted wave impulse approximation(DWIA). The cross sections for the LHN production in the reactions where the proton bombards the (6)L(i), (12)C and (16)O targets, respectively, are calculated. It is shown that the reaction cross sections are of the order of mu b, and the distortion effects tend to reduce the cross sections by a factor of 3 similar to 10. For the s(Lambda)-LHN production, the differential cross section is decreased with the increasing mass of the target nucleus. The p(Lambda)-LHN production cross section is normally higher than that for the s(Lambda)-LHN production. The double differential cross sections (DDXS) with respect to the momenta of the outgoing proton and kaon are also demonstrated. The missing mass spectra of the inclusive reaction p+ A -> p + K(+) + X for the (6)Li, (12)C and (16)O targets, an alternative way to study hypernuclear physics, are proposed. From these spectra, the masses of LHN can accurately be extracted. Moreover, the exotic LHN production in the same type of reaction is also studied. The same physical quantities are calculated. it is shown that the magnitude of the cross section is also in the order of mu b. The halo effect of the core nucleus that locates at a place far away from the stable line would make the wave function broader, and consequently reduces the production cross section.
类目[WOS]Physics, Nuclear ; Physics, Particles & Fields
收录类别SCI
WOS记录号WOS:000265091500014
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/227520
专题中国科学院高能物理研究所_理论物理室_期刊论文
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GB/T 7714
Shen PN,Shen, PNA,Jing, HT,et al. Lambda-HYPERNUCLEUS PRODUCTION IN PROTON- INDUCED REACTION[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS,2009,18(2):#REF!.
APA 沈彭年,Shen, PNA,Jing, HT,&Chiang, HQ.(2009).Lambda-HYPERNUCLEUS PRODUCTION IN PROTON- INDUCED REACTION.INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS,18(2),#REF!.
MLA 沈彭年,et al."Lambda-HYPERNUCLEUS PRODUCTION IN PROTON- INDUCED REACTION".INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS 18.2(2009):#REF!.
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