FOCUS Document 876-v1

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New Measurements of the D+ to K*mn/K2pi and Ds to phimn/phipi Branching Ratios

Document #:
FOCUS-doc-876-v1
Document type:
Publication
Submitted by:
Eduardo Luiggi
Updated by:
Eduardo Luiggi
Document Created:
26 Aug 2005, 10:50
Contents Revised:
26 Aug 2005, 10:50
Metadata Revised:
15 Aug 2002, 10:00
Actually Revised:
26 Aug 2005, 10:59
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Abstract:
Using a large sample of charm semileptonic decays collected by the FOCUS photoproduction experiment at Fermilab, we present new measurements of two semileptonic branching ratios. We obtain values of $\frac{\Gamma(D^+\to\overline{K}^{*0}\mu^+\nu)}{\Gamma(D^+\toK^-\mu^+\nu)} = 0.602 \pm 0.010(stat) \pm 0.021(sys)$ and $\frac{\Gamma(D^+_s\to\phi\mu^+\nu)}{\Gamma(D^+_s\to\phi\pi^+)} = 0.54 \pm 0.033(stat) \pm 0.048(sys)$.
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Journal References:
Published in Phys. Lett. B vol. 541 pg. 243.
Published in hep-ex/0206056.
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