Observation of the Singly Cabibbo-Suppressed Decay D+ωπ+ and Evidence for D0ωπ0

M. Ablikim et al. (BESIII Collaboration)
Phys. Rev. Lett. 116, 082001 – Published 23 February 2016

Abstract

Based on 2.93fb1 e+e collision data taken at center-of-mass energy of 3.773 GeV by the BESIII detector, we report searches for the singly Cabibbo-suppressed decays D+ωπ+ and D0ωπ0. A double tag technique is used to measure the absolute branching fractions B(D+ωπ+)=(2.79±0.57±0.16)×104 and B(D0ωπ0)=(1.17±0.34±0.07)×104, with statistical significances of 5.5σ and 4.1σ, where the first and second uncertainties are statistical and systematic, respectively.

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  • Received 24 December 2015

DOI:https://doi.org/10.1103/PhysRevLett.116.082001

© 2016 American Physical Society

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  1. Physical Systems
Particles & Fields

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Vol. 116, Iss. 8 — 26 February 2016

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