TY  - JOUR
AU  - LHCb Collaboration (Aaij, R. et al
AU  - Oyanguren, A.
AU  - Ruiz Valls, P.
PY  - 2013
DA  - 2013//
TI  - Observation of the decay B-c(+) -> psi(2S)pi(+)
T2  - Phys. Rev. D
JO  - Physical Review D
SP  - 071103
EP  - 7pp
VL  - 87
IS  - 7
PB  - Amer Physical Soc
AB  - The decay B-c(+) -> psi(2S)pi(+) with psi(2S) -> mu(+)mu(-) is observed with a significance of 5.2 sigma using pp collision data corresponding to an integrated luminosity of 1.0 fb(-1) collected by the LHCb experiment. The branching fraction of B-c(+) -> psi(2S)pi(+) decays relative to that of the B-c(+) -> J/psi pi(+) mode is measured to be B(B-c(+) -> psi(2S)pi(+))/B(B-c(+) -> J/psi pi(+)) = 0.250 +/- 0.068(stat) +/- 0.014(syst) +/- 0.006(B). The last term is the uncertainty on the ratio B(psi(2S) -> mu(+)mu(-))/B(J/psi -> mu(+)mu(-)).
SN  - 1550-7998
UR  - http://arxiv.org/abs/1303.1737
UR  - https://doi.org/10.1103/PhysRevD.87.071103
DO  - 10.1103/PhysRevD.87.071103
LA  - English
N1  - WOS:000318183700001
ID  - LHCbCollaborationAaij_etal2013
ER  -