Effect of charmed meson loops on charmonium transitions
Guo, FK; Hanhart, C; Li, G; Meissner, UG; Zhao, QA; Li G(李刚); Zhao Q(赵强)
刊名PHYSICAL REVIEW D
2011
卷号83期号:3页码:34013
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.83.034013
通讯作者[Guo, Feng-Kun ; Meissner, Ulf-G.] Univ Bonn, Helmholtz Inst Strahlen & Kernphys, D-53115 Bonn, Germany ; [Guo, Feng-Kun ; Hanhart, C. ; Meissner, Ulf-G.] Forschungszentrum Julich, Inst Kernphys, D-52425 Julich, Germany ; [Guo, Feng-Kun ; Hanhart, C. ; Meissner, Ulf-G.] Forschungszentrum Julich, Julich Ctr Hadron Phys, D-52425 Julich, Germany ; [Hanhart, C. ; Meissner, Ulf-G.] Forschungszentrum Julich, Inst Adv Simulat, D-52425 Julich, Germany ; [Li, Gang ; Zhao, Qiang] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Li, Gang] Qufu Normal Univ, Dept Phys, Qufu 273165, Peoples R China ; [Meissner, Ulf-G.] Univ Bonn, Bethe Ctr Theoret Phys, D-53115 Bonn, Germany ; [Zhao, Qiang] CAS, Theoret Phys Ctr Sci Facil, Beijing 100049, Peoples R China
文章类型Article
英文摘要The effects of intermediate charmed mesons on charmonium transitions with the emission of one pion or eta are studied systematically. Based on a nonrelativistic effective field theory we show that charmed meson loops are enhanced compared to the corresponding tree-level contributions for transitions between two S-wave charmonia as well as for transitions between two P-wave charmonia. On the contrary, for the transitions between one S-wave and one P-wave charmonium state, the loops need to be analyzed case by case and often appear to be suppressed. The relation to and possible implications for an effective Lagrangian approach are also discussed. This study at the same time provides a cross-check for the numerical evaluations.
类目[WOS]Astronomy & Astrophysics ; Physics, Particles & Fields
研究领域[WOS]Astronomy & Astrophysics ; Physics
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语种英语
WOS记录号WOS:000287368200004
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被引频次:63[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/311005/240549
专题中国科学院高能物理研究所_理论物理室_期刊论文
作者单位中国科学院高能物理研究所
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Guo, FK,Hanhart, C,Li, G,et al. Effect of charmed meson loops on charmonium transitions[J]. PHYSICAL REVIEW D,2011,83(3):34013.
APA Guo, FK.,Hanhart, C.,Li, G.,Meissner, UG.,Zhao, QA.,...&赵强.(2011).Effect of charmed meson loops on charmonium transitions.PHYSICAL REVIEW D,83(3),34013.
MLA Guo, FK,et al."Effect of charmed meson loops on charmonium transitions".PHYSICAL REVIEW D 83.3(2011):34013.
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