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Further insights into the "rho pi puzzle"
Zhao, Q; Li, G; Chang, CH
2010
Conference NameTengchong Conference on Advanced Topics in the Interdisciplinary Fields of Particle Physics, Nuclear Physics and Cosmology
Source PublicationCHINESE PHYSICS C
Volume34
Issue2
Pages299-304
Conference Date2009-12-22
Conference PlaceTengchong, PEOPLES R CHINA
Publication PlaceBRISTOL
ISSN1674-1137
PublisherIOP PUBLISHING LTD
AbstractBased on a systematic investigation of J/psi(psi') -> VP, where V and P stand for light vector and pseudoscalar mesons, we identify the role played by the electromagnetic (EM) transitions and intermediate meson loop transitions, which are essential ingredients for understanding the J/psi and psi' couplings to VP. We show that on the one hand, the EM transitions have relatively larger interferences in psi' -> rho pi and K*(K) over bar + c.c. as explicitly shown by vector meson dominance (VMD). On the other hand, the strong decay of psi' receives relatively larger destructive interferences from the intermediate meson loop transitions. By identifying these mechanisms in an overall study of J/psi(psi') -> VP, we provide a coherent, understanding of the so-called "rho pi puzzle".
KeywordPOSSIBLE EXPLANATION J/PSI PSI VECTOR DECAYS F(0)(1500)
DOI10.1088/1674-1137/34/2/027
URL查看原文
Indexed ByCPCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear ; Physics, Particles & Fields
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Document Type会议论文
Identifierhttp://ir.itp.ac.cn/handle/311006/23639
CollectionSCI会议论文
Affiliation1.Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
2.Univ Surrey, Dept Phys, Guildford GU2 7XH, Surrey, England
3.Chinese Acad Sci, Sci Facil, Ctr Theoret Phys, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Q,Li, G,Chang, CH. Further insights into the "rho pi puzzle"[C]. BRISTOL:IOP PUBLISHING LTD,2010:299-304.
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