Measurements of branching fraction and direct $CP$ 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.; Behera, P.; Mohanty, G.B.; Gaur, V.; Adachi, I.; Ahn, J.K.; Aihara, H.; Al Said, S.; Asner, D.M.; Aulchenko, V.

doi:10.1103/PhysRevD.99.031102

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

Belle

Collaboration

•

A.B. Kaliyar
(
- Indian Inst. Tech., Madras
)

Dec 25, 2018

9 pages

Published in:

Phys.Rev.D 99 (2019) 3, 031102

Published: Feb 21, 2019

e-Print:

1812.10221 [hep-ex]

DOI:

10.1103/PhysRevD.99.031102

PDG:

{{\mathit B}^{+}}

\rightarrow

{{\mathit K}^{+}}{{\mathit K}_S^0}

{{\mathit K}_S^0}

Experiments:

KEK-BF-BELLE

View in:

reference search8 citations

Citations per year

Abstract: (APS)

We study charmless hadronic decays of charged B mesons to the final states KS0KS0K± and KS0KS0π± using a 711 fb-1 data sample that contains 772×106 BB¯ pairs and was collected at the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. For B±→KS0KS0K±, the measured branching fraction and direct CP asymmetry are [10.42±0.43(stat)±0.22(syst)]×10-6 and [+1.6±3.9(stat)±0.9(syst)]%, respectively. In the absence of a statistically significant signal for B±→KS0KS0π±, we obtain a 90% confidence-level upper limit on its branching fraction as 8.7×10-7.

electron positron: annihilation
electron positron: colliding beams
B: pair production
B+: branching ratio: measured
B-: branching ratio: measured
branching ratio: upper limit
asymmetry: CP
CP: violation
B+: hadronic decay
B-: hadronic decay

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Figures(10)

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Measurements of branching fraction and direct CPCPCP asymmetry in B±→KS0KS0K±B^{\pm}\to K^{0}_{S}K^{0}_{S}K^{\pm}B±→KS0​KS0​K± and a search for B±→KS0KS0π±B^{\pm}\to K^{0}_{S}K^{0}_{S}\pi^{\pm}B±→KS0​KS0​π±

Citations per year

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