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Measurements of branching fractions of leptonic and hadronic D^sub s^^sup +^ meson decays and extraction of the D^sub s^^sup +^ meson decay constant
Ist Teil von
The journal of high energy physics, 2013-09, Vol.2013 (9), p.1
Ort / Verlag
Heidelberg: Springer Nature B.V
Erscheinungsjahr
2013
Quelle
Springer Journals
Beschreibungen/Notizen
(ProQuest: ... denotes formulae and/or non-USASCII text omitted; see image) Abstract We present measurements of absolute branching fractions of hadronic and lep-tonic ... decays to K ^sup -^ K ^sup +^ [pi] ^sup +^, ... K ^sup +^, ηπ ^sup +^, [mu] ^sup +^ [nu] ^sub [mu]^ and [tau] ^sup +^ [nu] ^sub [tau]^ and report a search for the leptonic ... [arrow right] e ^sup +^ [nu] ^sub e^ decays. The results are obtained from a data sample of 913 fb^sup -1^ collected at or near the ...(4S) and ...(5S) resonances with the Belle detector at the KEKB asymmetric-energy e ^sup +^ e ^sup -^ collider. The branching fractions of hadronic decays are measured to be ...where the first and second uncertainties are statistical and systematic, respectively. The branching fractions of leptonic decays are measured to be ...which are combined to determine the ... meson decay constant ... We find no significant signal for ... [arrow right] e ^sup +^ [nu] ^sub e^ decays and set an upper limit of ... < 1.0(0.83) × 10^sup -4^ at 95% (90%) confidence level. [Figure not available: see fulltext.]