Observation of the Decay B-s(0) -> K-0(K)over-bar(0)

We measure the decay B-s(0) -> K-0(K) over bar (0) using data collected at the Upsilon(5S) resonance with the Belle detector at the KEKB e(+)e(-) collider. The data sample used corresponds to an integrated luminosity of 121.4 fb(-1). We measure a branching fraction beta(B-s(0) -> K-0(K) over bar (0)) = [19.6(-5.1)(+5.8)(stat) +/- 1.0(syst) +/- 2.0(N-Bs0 (B) over bar s0)] x 10(-6) with a significance of 5.1 standard deviations. This measurement constitutes the first observation of this decay.


Published in:
Physical Review Letters, 116, 16, 161801
Year:
2016
Publisher:
College Pk, Amer Physical Soc
ISSN:
0031-9007
Laboratories:




 Record created 2016-07-19, last modified 2018-01-28


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