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Distinguishing two kinds of scalar mesons from heavy meson decays
Wang W(王伟); Lv CD(吕才典); Wang, W; Lu, CD
2010
发表期刊PHYSICAL REVIEW D
卷号82期号:3页码:34016
通讯作者[Wang, Wei ; Lue, Cai-Dian] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Wang, Wei] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy
文章类型Article
摘要In the SU(3) symmetry limit, semileptonic D+ -> Sl(+)nu and B- -> Sl(-)nu(-) decays, with S = a(0)(980), f(0)(980), and f(0)(600), are found to obey different sum rules in the (q) over barq and the tetraquark descriptions for scalar mesons. Thus these sum rules can distinguish the two scenarios for light scalar mesons model independently. This method also applies to the (B) over bar (0) -> J/psi(eta(c))S decays. Two kinds of SU(3) symmetry breaking effects are found to be under control, which will not spoil our method. The branching fractions of the D+ -> Sl(+)nu, B- -> Sl(-)nu(-), and (B) over bar (0) -> J/psi(eta(c))S decays roughly have the order 10(-4), 10(-5), and 10(-6), respectively. The ongoing BEPC II and the forthcoming Super B experiments are able to measure these channels and, accordingly, to provide detailed information of the scalar meson inner structure.
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.82.034016
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语种英语
WOS研究方向Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000280864600003
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240553
专题理论物理室
作者单位中国科学院高能物理研究所
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Wang W,Lv CD,Wang, W,et al. Distinguishing two kinds of scalar mesons from heavy meson decays[J]. PHYSICAL REVIEW D,2010,82(3):34016.
APA 王伟,吕才典,Wang, W,&Lu, CD.(2010).Distinguishing two kinds of scalar mesons from heavy meson decays.PHYSICAL REVIEW D,82(3),34016.
MLA 王伟,et al."Distinguishing two kinds of scalar mesons from heavy meson decays".PHYSICAL REVIEW D 82.3(2010):34016.
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