Study of D+Kπ+e+νeD^{+} \to K^{-} \pi^+ e^+ \nu_e

Collaboration
Dec 29, 2015
17 pages
Published in:
  • Phys.Rev.D 94 (2016) 3, 032001
  • Published: Aug 4, 2016
e-Print:
PDG: NEUTRAL ONLY
Experiments:

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Abstract: (APS)
We present an analysis of the decay D+→K-π+e+νe based on data collected by the BESIII experiment at the ψ(3770) resonance. Using a nearly background-free sample of 18262 events, we measure the branching fraction B(D+→K-π+e+νe)=(3.77±0.03±0.08)%. For 0.8
Note:
  • 17 pages, 6 figures
  • 13.20.Fc
  • 14.40.Lb
  • electron positron: annihilation
  • D+: semileptonic decay
  • D+: branching ratio: measured
  • form factor
  • mass spectrum: (K pi)
  • partial wave analysis
  • psi(3770)
  • K*(892)0