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Search for B -˃ h nu(nu)over-bar decays with semileptonic tagging at Belle

Title
Search for B -˃ h nu(nu)over-bar decays with semileptonic tagging at Belle
Author
천병구
Issue Date
2017-11
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v. 96, no. 9, Article no. 091101
Abstract
We present the results of a search for the rare decays B -> h nu(nu) over bar, where h stands for K+, K-S(0), K*(+); K*(0); pi(+); pi(0), rho(+) and rho(0). The results are obtained with 772 x 10(6) B (B) over bar pairs collected with the Belle detector at the KEKB e(+)e(-) collider. We reconstruct one B meson in a semileptonic decay and require a single h meson but nothing else on the signal side. We observe no significant signal and set upper limits on the branching fractions. The limits set on the B-0 -> K-S(0)nu(nu) over bar, B-0 -> K*(0)nu(nu) over bar, B+ -> pi(+)nu(nu) over bar, B-0 -> pi(0)nu(nu) over bar, B+ -> rho(+)nu(nu) over bar, and B-0 -> rho(0)nu(nu) over bar channels are the world's most stringent.
URI
https://journals.aps.org/prd/abstract/10.1103/PhysRevD.96.091101https://repository.hanyang.ac.kr/handle/20.500.11754/116118
ISSN
2470-0010; 2470-0029
DOI
10.1103/PhysRevD.96.091101
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > PHYSICS(물리학과) > Articles
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