Measurements of branching fraction and direct asymmetry in $B^{pm}to K^{0}_{S}K^{0}_{S}K^{pm}$ and a search for $B^{pm}to K^{0}_{S}K^{0}_{S}pi^{pm}$

Kaliyar, A. B.*; Tanida, Kiyoshi ; Belle Collaboration*; 197 of others*

We study charmless hadronic decays of charged mesons to the final states $K^{0}_{S}K^{0}_{S}K^{pm}$ and $K^{0}_{S}K^{0}_{S}pi^{pm}$ using a $711 fb^{-1}$ data sample that contains pairs, and was collected at the resonance with the Belle detector at the KEKB asymmetric-energy $e^{+}e^{-}$ collider. For $B^{pm}to K^{0}_{S}K^{0}_{S}K^{pm}$ , the measured branching fraction and direct asymmetry are $[10.42pm0.43(stat)pm 0.22(syst)]times10^{-6}$ and []%, respectively. In the absence of a statistically significant signal for $B^{pm}to K^{0}_{S}K^{0}_{S}pi^{pm}$ , we obtain a 90% confidence-level upper limit on its branching fraction as $8.7 times10^{-7}$ .

Language	:	English
Journal	:	Physical Review D
Volume	:	99
Number	:	3
Pages	:	p.031102_1 - 031102_9
Publication Year/Month	:	2019/02
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PDF	:	AA2019-0538.pdf:0.36MB
Paper URL	:	https://doi.org/10.1103/PhysRevD.99.031102
DOI for research data	:	Link to research data related to this paper/report.
Keywords	:	CP非対称性
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Article of JAEA R&D Review	:
Cooperating Institute	:	高エネルギー加速器研究機構

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Registration No. : AA20190538
JAEA Abstracts No. : 48000135
Paper Submission No. : 22486

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Measurements of branching fraction and direct asymmetry in and a search for

Measurements of branching fraction and direct asymmetry in $B^{pm}to K^{0}_{S}K^{0}_{S}K^{pm}$ and a search for $B^{pm}to K^{0}_{S}K^{0}_{S}pi^{pm}$