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Study of electromagnetic decay of J/psi and psi ' to vector and pseudoscalar.
Zhao Q(赵强); 李刚(理); hao, Q; Li, G; Chang, CH
2007
发表期刊PHYSICS LETTERS B
卷号645期号:2-3页码:#REF!
通讯作者Zhao, Q (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.
文章类型Article
摘要The electromagnetic decay contributions to J/ psi(psi') -> VP, where V and P stand for vector and pseudoscalar meson, respectively, are investigated in a vector meson dominance (VMD) model. We show that J/psi(psi) -> gamma* -> VP can be constrained well with the available experimental information. We find that this process has significant contributions in psi' -> VP and may play a key role in understanding the deviations from the so-called "12% rule" for the branching ratio fractions between psi -> VP and J/psi -> VP. We also address that the "12% rule" becomes very empirical in exclusive hadronic decay channels. (c) 2006 Elsevier B.V. All rights reserved.
学科领域Physics
DOI10.1016/j.physletb.2006.12.037
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000244313500012
引用统计
被引频次:26[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/311005/226680
专题理论物理室
推荐引用方式
GB/T 7714
Zhao Q,Li G,hao, Q,et al. Study of electromagnetic decay of J/psi and psi ' to vector and pseudoscalar.[J]. PHYSICS LETTERS B,2007,645(2-3):#REF!.
APA 赵强,李刚,hao, Q,Li, G,&Chang, CH.(2007).Study of electromagnetic decay of J/psi and psi ' to vector and pseudoscalar..PHYSICS LETTERS B,645(2-3),#REF!.
MLA 赵强,et al."Study of electromagnetic decay of J/psi and psi ' to vector and pseudoscalar.".PHYSICS LETTERS B 645.2-3(2007):#REF!.
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