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Search for D+->phi l(+)nu and measurement of the branching fraction for D+->phi pi(+)
BES Callaboration
2006
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号47期号:1页码:39-44
通讯作者Ablikim, M (reprint author), Inst High Energy Phys, Beijing 100049, Peoples R China.
摘要Using a data sample of integrated luminosity of about 33 pb(-1) collected around 3.773 GeV with the BESII detector at the BEPC collider, the semileptonic decays D+ -> phi e(+)nu(e), D+ -> phi mu(+)nu(mu) and the hadronic decay D+ -> phi pi(+) are studied. The upper limits of the branching fractions are set to be BF(D+ -> phi e(+)nu(e)) < 2.01% and BF(D+ -> phi pi(+)nu(mu)) < 2.04% at the 90% confidence level. The ratio of the branching fractions for D+ -> phi pi(+) relative to D+ -> K-pi(+)pi(+) is measured to be 0.057 +/- 0.011 +/- 0.003. In addition, the branching fraction for D+ -> phi pi(+) is obtained to be (5.2 +/- 1.0 +/- 0.4) x 10(-3).
关键词SUPPRESSED D+/ DECAYS DETECTOR DS+/
学科领域Physics
DOI10.1140/epjc/s2006-02563-1
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000241559700004
引用统计
被引频次:6[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/311005/212732
专题实验物理中心
作者单位中国科学院高能物理研究所
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BES Callaboration. Search for D+->phi l(+)nu and measurement of the branching fraction for D+->phi pi(+)[J]. EUROPEAN PHYSICAL JOURNAL C,2006,47(1):39-44.
APA BES Callaboration.(2006).Search for D+->phi l(+)nu and measurement of the branching fraction for D+->phi pi(+).EUROPEAN PHYSICAL JOURNAL C,47(1),39-44.
MLA BES Callaboration."Search for D+->phi l(+)nu and measurement of the branching fraction for D+->phi pi(+)".EUROPEAN PHYSICAL JOURNAL C 47.1(2006):39-44.
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