1995
DOI: 10.1103/physrevlett.74.4599
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Direct Measurement of the Pseudoscalar Decay Constant,fDs

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Cited by 37 publications
(6 citation statements)
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“…(5) is uncertainty in the B meson decay constant f B . Although the desired quantity f B has not yet been measured directly, a number of results on the decay constant f Ds have appeared over the past few years [26][27][28][29][30]; these serve to check calculations of f B . The values of f Ds obtained by measuring the rates for D s → µν (and sometimes τ ν) are summarized in Table 2.…”
Section: B 0 −B 0 Mixingmentioning
confidence: 99%
“…(5) is uncertainty in the B meson decay constant f B . Although the desired quantity f B has not yet been measured directly, a number of results on the decay constant f Ds have appeared over the past few years [26][27][28][29][30]; these serve to check calculations of f B . The values of f Ds obtained by measuring the rates for D s → µν (and sometimes τ ν) are summarized in Table 2.…”
Section: B 0 −B 0 Mixingmentioning
confidence: 99%
“…Notable achievements of the BES and BESII phases of this program include: BES's first result, which was a five-fold improvement in the precision of the τ -lepton's measured mass that was two standard deviations lower than the previous world average value at that time and cleared up a discrepancy with SM expectations [21]; the first observation of the purely leptonic D + s → µ + ν decay process [22]; precision measurements of the annihilation cross section for e + e − → hadrons that provided essential inputs to the SM predictions for the Higgs boson mass and the anomalous magnetic moment of the muon, (g − 2) µ [23]; the discoveries of the σ(500) [24] and κ(700) [25] scalar mesons; and a comprehensive study of the so-called ρπ puzzle in vector charmonium decays [26].…”
Section: Introductionmentioning
confidence: 99%
“…meson pairs accumulated at 4.03 (4.14), 4.17 and 4.009 GeV (BESI [22], CLEO [23,24,25] and BESIII [26]. Herein, we mainly overview the studies of D + → + ν at the CLEO-c [10] and BESIII [11] experiments, and those of D + s → + ν at the CLEO-c [23,24,25], Belle [20], BaBar [21] and BESIII [26] experiments in recent ten years.…”
Section: Introductionmentioning
confidence: 99%