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Coupled channel effects in pi pi S-wave interaction
Wu FQ(吴锋泉); Zou BS(邹冰松); Wu, FQ; Zou, BS
2005
Source PublicationINTERNATIONAL JOURNAL OF MODERN PHYSICS A
Volume20Issue:8-9Pages:1905-1909
Corresponding AuthorCCAST, World Lab, Beijing 100080, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
SubtypeArticle; Proceedings Paper
AbstractWe study coupled channel effects upon isospin I = 2 and I = 0 ππ S-wave interaction. With introduction of the ππ → ρρ → ππ coupled channel box diagram contribution into ππ amplitude in addition to ρ and f(2)(1270) exchange, we reproduce the ππ I=2 S-wave and D-wave scattering phase shifts and inelasticities up to 2 GeV quite well in a K-matrix formalism. For I = 0 case, the same ππ → ρρ → ππ box diagram is found to give the largest contribution for the inelasticity among all possible coupled channels including ππ → ωω → ππ, ππ → KK → ππ. We also show why the broad a appears narrower in production processes than in ππ scattering process.
Keywordpi pi scattering coupled channel K-matrix
Subject AreaPhysics
DOI10.1142/S0217751X05023608
URL查看原文
Indexed ByINSPIREHEP ; ADS
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear ; Physics, Particles & Fields
WOS IDWOS:000229085600067
ADS Bibcode2005IJMPA..20.1905W
ADS URLhttps://ui.adsabs.harvard.edu/abs/2005IJMPA..20.1905W
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2005IJMPA..20.1905W/citations
inspireid667568
inspireURLhttps://inspirehep.net/literature/667568
Citation statistics
Cited Times:3 [INSPIRE]
Cited Times:4 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/239573
Collection理论物理室
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Wu FQ,Zou BS,Wu, FQ,et al. Coupled channel effects in pi pi S-wave interaction[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A,2005,20(8-9):1905-1909.
APA 吴锋泉,邹冰松,Wu, FQ,&Zou, BS.(2005).Coupled channel effects in pi pi S-wave interaction.INTERNATIONAL JOURNAL OF MODERN PHYSICS A,20(8-9),1905-1909.
MLA 吴锋泉,et al."Coupled channel effects in pi pi S-wave interaction".INTERNATIONAL JOURNAL OF MODERN PHYSICS A 20.8-9(2005):1905-1909.
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