ITP OpenIR  > SCI期刊论文
Lu, QF; Xie, JJ; Li, DM; Lu, QF (reprint author), Zhengzhou Univ, Dept Phys, Zhengzhou 450001, Henan, Peoples R China.
Nucleon pole contribution in the pp -> pp K+ K- reaction below the phi meson threshold
Source PublicationPHYSICAL REVIEW C
Language英语
KeywordProton-proton Collisions Pi-pi Radiative Decay Pair Production Lambda(1405) Exchange Model
AbstractNucleon 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.
2014
ISSN0556-2813
Volume90Issue:3Pages:34002
Subject AreaPhysics
DOI10.1103/PhysRevC.90.034002
Indexed BySCI
Funding OrganizationNational 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
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Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15655
CollectionSCI期刊论文
Corresponding AuthorLu, QF (reprint author), Zhengzhou Univ, Dept Phys, Zhengzhou 450001, Henan, Peoples R China.
Recommended Citation
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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