Measurement of branching fraction and final-state asymmetry for the $\bar{B}^{0}\to K^{0}_{S}K^{\mp}\pi^{\pm}$ decay - INSPIRE

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Measurement of branching fraction and final-state asymmetry for the $\bar{B}^{0}\to K^{0}_{S}K^{\mp}\pi^{\pm}$ decay

Belle

Collaboration

Apr 15, 2019

9 pages

Published in:

Phys.Rev.D 100 (2019) 1, 011101

Published: Jul 11, 2019

e-Print:

1904.06835 [hep-ex]

DOI:

10.1103/PhysRevD.100.011101

PDG:

{{\mathit B}^{0}}

\rightarrow

{{\mathit K}^{0}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}

Report number:

Belle Preprint 2019-06,
KEK Preprint 2019-4

Experiments:

KEK-BF-BELLE

View in:

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Abstract: (APS)

We report a measurement of the branching fraction and final-state asymmetry for the B¯0→KS0K∓π± decays. The analysis is based on a data sample of 711 fb-1 collected at the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We obtain a branching fraction of (3.60±0.33±0.15)×10-6 and a final-state asymmetry of (-8.5±8.9±0.2)%, where the first uncertainties are statistical and the second are systematic. Hints of peaking structures are found in the differential branching fractions measured as functions of Dalitz variables.

Note:

17 pages, 4 figures, to be submitted to PRD(RC)

electron positron: annihilation
electron positron: colliding beams
anti-B0: hadronic decay
anti-B0: branching ratio: measured
asymmetry
Dalitz plot
mass spectrum: (K pi)
mass spectrum: (K K0(S))
Upsilon(10570): electroproduction
statistical

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Figures(10)

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