Evidence for the decay B-c(+) -> J/psi 3 pi(+)2 pi(-)
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Evidence for the decay B-c(+) -> J/psi 3 pi(+)2 pi(-)

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Evidence for the decay B-c(+) -> J/psi 3 pi(+)2 pi(-)

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LHCb Collaboration; Martínez Vidal, Fernando Perfil; Oyanguren Campos, Arantza Perfil; Ruiz Valls, Pablo
This document is a artículoDate2014

Este documento está disponible también en : http://hdl.handle.net/10550/52880
Evidence is presented for the decay B-c(+) -> J/psi 3 pi(+)2 pi(-) using proton-proton collision data, corresponding to an integrated luminosity of 3 fb(-1), collected with the LHCb detector. A signal yield of 32 +/- 8 decays is found with a significance of 4.5 standard deviations. The ratio of the branching fraction of the B-c(+) -> J/psi 3 pi(+)2 pi(-) decay to that of the B-c(+) -> J/psi pi(+) decay is measured to be B(B-c(+) -> J/psi 3 pi(+)2 pi(-))/B(B-c(+) -> J/psi pi(+)) = 1.74 +/- 0.44 +/- 0.24, where the first uncertainty is statistical and the second is systematic.

    LHCb Collaboration Martínez Vidal, Fernando Oyanguren Campos, Arantza Ruiz Valls, Pablo 2014 Evidence for the decay B-c(+) -> J/psi 3 pi(+)2 pi(-) Journal Of High Energy Physics 05 5 148-1 148-17
http://dx.doi.org/10.1007/JHEP05(2014)148

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