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Title: Measurements of the branching fractions for the semileptonic decays D s + Φ e + ν e , Φ μ + ν μ , ημ+ ν μ and η ' μ + ν μ

Journal Article · · Physical Review D
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By analyzing 482 pb-1 of e+e- collision data collected at the center-of-mass energy √s = 4.009 GeV with the BESIII detector, we measure the branching fractions for the semi-leptonic decays D s + Φ e + ν e , Φ μ + ν μ , ημ+ ν μ and η ' μ + ν μ to be B( D s + Φ e + ν e ) = (2.26 ±0.45 ±0.09)%, B( D s + Φμ+νμ) = (1.94 ±0.53 ± 0.09)%, B( D s + Φμ+ ημ+νμ) = (2.42 ± 0.46 ± 0.11)% and B( D s + Φμ+ η'μ+νμ) = (1.06 ± 0.54 ± 0.07)%, where the first and second uncertainties are statistical and systematic, respectively. The branching fractions for the three semi-muonic decays D s + Φμ+ Φμ+νμ, ημ+νμ and η'μ+νμ are determined for the first time and that of D s + Φμ+ Φe+νe is consistent with the world average value within uncertainties.

Research Organization:
George Washington Univ., Washington, DC (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
Contributing Organization:
BESIII Collaboration
Grant/Contract Number:
SC0016583; FG02-05ER41374; SC-0010118; SC-0010504; SC-0012069
OSTI ID:
1418391
Alternate ID(s):
OSTI ID: 1440853
Journal Information:
Physical Review D, Vol. 97, Issue 1; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 15 works
Citation information provided by
Web of Science

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Cited By (4)

Exclusive semileptonic decays of D and Ds mesons in the covariant confining quark model journal July 2019
The BESIII physics programme journal July 2019
Semileptonic $D_{(s)}$-meson decays in the light of recent data text January 2018
The BESIII Physics Programme text January 2020

Figures / Tables (6)