TY  - JOUR
AU  - LHCb Collaboration (Aaij, R. et al
AU  - Martinez-Vidal, F.
AU  - Oyanguren, A.
AU  - Ruiz Valls, P.
AU  - Sanchez Mayordomo, C.
PY  - 2016
DA  - 2016//
TI  - First observation of the decay B-s(0) -> (KSK)-K-0*(892)(0) at LHCb
T2  - J. High Energy Phys.
JO  - Journal of High Energy Physics
SP  - 012
EP  - 17pp
VL  - 01
IS  - 1
PB  - Springer
KW  - Hadron-Hadron scattering
KW  - B physics
AB  - A search for B-(s)(0) -> K-S (0) K*(892)(0) decays is performed using pp collision data, corresponding to an integrated luminosity of 1.0 fb(-1), collected with the LHCb detector at a centre-of-mass energy of 7 TeV. The B-s (0) -> (KSK)-K-0*(892)(0) decay is observed for the first time, with a significance of 7.1 standard deviations. The branching fraction is measured to be B(B-s(0) -> (K) over bar K-0*(892)(0)) + B(B-s(0) -> K-0(K) over bar*(892)(0)) = (16.4 +/- 3.4 +/- 2.3) x10(-6), where the first uncertainty is statistical and the second is systematic. No evidence is found for the decay B-0 ->(KSK)-K-0*(892)(0) and an upper limit is set on the branching fraction, B(B-0 -> (K) over bar K-0*(892)(0)) + B(B-0 -> K-0(K) over bar*(892)(0)) < 0.96 x 10(-6) , at 90 % confidence level. All results are consistent with Standard Model predictions.
SN  - 1029-8479
UR  - http://arxiv.org/abs/1506.08634
UR  - https://doi.org/10.1007/JHEP01(2016)012
DO  - 10.1007/JHEP01(2016)012
LA  - English
N1  - WOS:000367748000001
ID  - LHCbCollaborationAaij_etal2016
ER  -