1993
DOI: 10.1143/ptp/89.1.131
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Observation of the Muonic Decay, Ds  ->    : WA75 Collaboration

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Cited by 47 publications
(13 citation statements)
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“…To the extend that Im Π cont. can be approximated by an n-th degree polynomial these conditions lead actually to an exact cancellation of the continuum contribution to the left hand side of equation (4). The role of the D q resonance will be enhanced.…”
Section: The Methodsmentioning
confidence: 97%
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“…To the extend that Im Π cont. can be approximated by an n-th degree polynomial these conditions lead actually to an exact cancellation of the continuum contribution to the left hand side of equation (4). The role of the D q resonance will be enhanced.…”
Section: The Methodsmentioning
confidence: 97%
“…To cope with this problem we make use of the freedom of choosing the polynomial in equation (4). We take for P (s) a polynomial of the form:…”
Section: The Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…(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%
“…However, for heavy mesons only a few data with large uncertainties are available. Mark III sets an upper bound f D < 290MeV [2] while WA75 [3], CLEOII [4] and BES [5] find 225 ± 45 ± 20 ± 41 , 344 ± 37 ± 52 and 430 +150 −130 ± 40MeV for f Ds respectively. There are various quark-model, QCD sum rules and lattice calculations of these parameters [6,7,8,9].…”
mentioning
confidence: 99%