Measurement Of The Ratio Of B-C(+) Branching Fractions To J/Psi Pi(+) And J/Psi Mu(+)Nu(Mu) Final States

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PHYSICAL REVIEW D（2014）

Cited 36|Views472

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Abstract

The first measurement that relates semileptonic and hadronic decay rates of the B-c(+) meson is performed using proton-proton collision data corresponding to 1.0 fb(-1) of integrated luminosity collected with the LHCb detector. The measured value of the ratio of branching fractions, B(B-c(+) -> J/psi pi(+))/B(B-c(+) -> J/psi mu(+)nu(mu)) = 0.0469 +/- 0.0028(stat) +/- 0.0046(syst), is at the lower end of available theoretical predictions.

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Key words

ratio,fractions,of<mmlmath xmlnsmml=http//wwww3org/1998/math/mathml

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