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Further insights into the "rho pi puzzle"
Zhao Q(赵强); 李刚(理); Zhao, Q; Li, G; Chang, CH
2010
发表期刊CHINESE PHYSICS C
卷号34期号:2页码:#REF!
通讯作者Zhao, Q (reprint author), CAS, Inst High Energy Phys, Beijing 100049, Peoples R China.
摘要Based 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".
文章类型Article; Proceedings Paper
关键词vector-meson dominance decays of J/psi upsilon other quarkonia hadronic decays of mesons
学科领域Physics
收录类别SCI
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000274309200028
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/227497
专题理论物理室
推荐引用方式
GB/T 7714
Zhao Q,Li G,Zhao, Q,et al. Further insights into the "rho pi puzzle"[J]. CHINESE PHYSICS C,2010,34(2):#REF!.
APA 赵强,李刚,Zhao, Q,Li, G,&Chang, CH.(2010).Further insights into the "rho pi puzzle".CHINESE PHYSICS C,34(2),#REF!.
MLA 赵强,et al."Further insights into the "rho pi puzzle"".CHINESE PHYSICS C 34.2(2010):#REF!.
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