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

Title
Observation of the Decay B-s(0) -˃ K-0(K)over-bar(0)
Author
천병구
Keywords
ANNIHILATION; DETECTOR; PACKAGE
Issue Date
2016-04
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW LETTERS, v. 116, NO 16, Page. 161801-161801
Abstract
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.
URI
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.116.161801http://hdl.handle.net/20.500.11754/46893
ISSN
0031-9007; 1079-7114
DOI
10.1103/PhysRevLett.116.161801
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > PHYSICS(물리학과) > Articles
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