Measurement of the form factors in the decay ${D}^{+}\ensuremath{\rightarrow}\ensuremath{\omega}{e}^{+}{\ensuremath{\nu}}_{e}$ and search for the decay ${D}^{+}\ensuremath{\rightarrow}\ensuremath{\phi}{e}^{+}{\ensuremath{\nu}}_{e}$
BESIII Collaboration
刊名PHYSICAL REVIEW D
2015
卷号92期号:7页码:71101
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.92.071101
文章类型Article
英文摘要Using 2.92 fb(-1) of electron-positron annihilation data collected at a center-of-mass energy of root s = 3.773 GeV with the BESIII detector, we present an improved measurement of the branching fraction B(D+ -> omega e(+)nu(e)) = (1.63 +/- 0.11 +/- 0.08) x 10(-3). The parameters defining the corresponding hadronic form factor ratios at zero momentum transfer are determined for the first time; we measure them to be r(V) = 1.24 +/- 0.09 +/- 0.06 and r(2) = 1.06 +/- 0.15 +/- 0.05. The first and second uncertainties are statistical and systematic, respectively. We also search for the decay D+ -> phi e(+)nu(e). An improved upper limit B(D+ -> phi e(+)nu(e)) < 1.3 x 10(-5) is set at 90% confidence level.
类目[WOS]Astronomy & Astrophysics ; Physics, Particles & Fields
收录类别SCI
WOS记录号WOS:000363014700001
引用统计
被引频次:4[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/311005/228995
专题中国科学院高能物理研究所_实验物理中心_期刊论文
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BESIII Collaboration. Measurement of the form factors in the decay ${D}^{+}\ensuremath{\rightarrow}\ensuremath{\omega}{e}^{+}{\ensuremath{\nu}}_{e}$ and search for the decay ${D}^{+}\ensuremath{\rightarrow}\ensuremath{\phi}{e}^{+}{\ensuremath{\nu}}_{e}$[J]. PHYSICAL REVIEW D,2015,92(7):71101.
APA BESIII Collaboration.(2015).Measurement of the form factors in the decay ${D}^{+}\ensuremath{\rightarrow}\ensuremath{\omega}{e}^{+}{\ensuremath{\nu}}_{e}$ and search for the decay ${D}^{+}\ensuremath{\rightarrow}\ensuremath{\phi}{e}^{+}{\ensuremath{\nu}}_{e}$.PHYSICAL REVIEW D,92(7),71101.
MLA BESIII Collaboration."Measurement of the form factors in the decay ${D}^{+}\ensuremath{\rightarrow}\ensuremath{\omega}{e}^{+}{\ensuremath{\nu}}_{e}$ and search for the decay ${D}^{+}\ensuremath{\rightarrow}\ensuremath{\phi}{e}^{+}{\ensuremath{\nu}}_{e}$".PHYSICAL REVIEW D 92.7(2015):71101.
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