ITP OpenIR  > 理论物理所2014年知识产出
Nucleon pole contribution in the pp -> pp K+ K- reaction below the phi meson threshold
Lu, QF; Xie, JJ; Li, DM; Lu, QF (reprint author), Zhengzhou Univ, Dept Phys, Zhengzhou 450001, Henan, Peoples R China.
2014
发表期刊PHYSICAL REVIEW C
ISSN0556-2813
卷号90期号:3页码:34002
摘要Nucleon pole contribution in the pp -> ppK(+) K- reaction below the threshold of the production of the phi meson is studied within the effective Lagrangian approach. It is assumed that the K- p final state originates from the decay of the hyperons Lambda(1115) and Lambda(1405). In addition to the pp final state interaction (FSI) parametrized using the Jost function, we have also considered theK(+) K- FSI with the techniques of the chiral unitary approach, where the scalar mesons f(0)(980) and a(0)(980) were dynamically generated. Hence, the contributions from scalar mesons f(0)(980) and a(0)(980) occur through the K+ K- FSI. It is shown that the available experimental data are well reproduced, especially the total cross sections and the invariant mass distributions of pp and K+ K-. Furthermore, different forms of the couplings (pseudoscalar and pseudovector) for the pi NN interaction and different strengths for the proton-proton FSI are also investigated. It is found that the contributions from hyperons Lambda(1115) and Lambda(1405) are different between these two kinds of couplings. On the other hand, the effects of the proton-proton FSI can be adjusted by the cutoff parameters used in the form factors.
部门归属[Lu, Qi-Fang ; Li, De-Min] Zhengzhou Univ, Dept Phys, Zhengzhou 450001, Henan, Peoples R China ; [Xie, Ju-Jun] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China ; [Xie, Ju-Jun] Chinese Acad Sci, Res Ctr Hadron, Lanzhou 730000, Peoples R China ; [Xie, Ju-Jun] Chinese Acad Sci, Inst Modern Phys, CSR Phys, Lanzhou 730000, Peoples R China ; [Xie, Ju-Jun] Lanzhou Univ, Lanzhou 730000, Peoples R China ; [Xie, Ju-Jun] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
关键词Proton-proton Collisions Pi-pi Radiative Decay Pair Production Lambda(1405) Exchange Model
学科领域Physics
资助者National Natural Science Foundation of China [11105126]; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; National Natural Science Foundation of China [11105126]; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; National Natural Science Foundation of China [11105126]; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; National Natural Science Foundation of China [11105126]; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry
DOI10.1103/PhysRevC.90.034002
URL查看原文
收录类别SCI
语种英语
资助者National Natural Science Foundation of China [11105126]; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; National Natural Science Foundation of China [11105126]; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; National Natural Science Foundation of China [11105126]; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; National Natural Science Foundation of China [11105126]; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry
WOS记录号WOS:000341297200002
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被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15655
专题理论物理所2014年知识产出
通讯作者Lu, QF (reprint author), Zhengzhou Univ, Dept Phys, Zhengzhou 450001, Henan, Peoples R China.
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GB/T 7714
Lu, QF,Xie, JJ,Li, DM,et al. Nucleon pole contribution in the pp -> pp K+ K- reaction below the phi meson threshold[J]. PHYSICAL REVIEW C,2014,90(3):34002.
APA Lu, QF,Xie, JJ,Li, DM,&Lu, QF .(2014).Nucleon pole contribution in the pp -> pp K+ K- reaction below the phi meson threshold.PHYSICAL REVIEW C,90(3),34002.
MLA Lu, QF,et al."Nucleon pole contribution in the pp -> pp K+ K- reaction below the phi meson threshold".PHYSICAL REVIEW C 90.3(2014):34002.
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