Semileptonic B(s)→α1(K1)ℓ+ℓ- decays via the light-cone sum rules with B-meson distribution amplitudes

Semileptonic B(s)→α1(K1)ℓ+ℓ- decays via the light-cone sum rules with B-meson distribution... The form factors of semileptonic B(s)→a1(K1)ℓ+ℓ-, ℓ=τ, μ, e transitions are investigated in the framework of the light-cone sum rules with B-meson distribution amplitudes, which play an important role in exclusive B decays. The B-meson distribution amplitudes, φ±(ω) are a model-dependent form, so we consider four different parametrizations which can provide a reasonable description of φ±(ω) from QCD corrections. The branching fractions of these transitions are calculated. For a better analysis, a comparison of our results with the prediction of other models is provided. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review D American Physical Society (APS)

Semileptonic B(s)→α1(K1)ℓ+ℓ- decays via the light-cone sum rules with B-meson distribution amplitudes

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Semileptonic B(s)→α1(K1)ℓ+ℓ- decays via the light-cone sum rules with B-meson distribution amplitudes

Abstract

The form factors of semileptonic B(s)→a1(K1)ℓ+ℓ-, ℓ=τ, μ, e transitions are investigated in the framework of the light-cone sum rules with B-meson distribution amplitudes, which play an important role in exclusive B decays. The B-meson distribution amplitudes, φ±(ω) are a model-dependent form, so we consider four different parametrizations which can provide a reasonable description of φ±(ω) from QCD corrections. The branching fractions of these transitions are calculated. For a better analysis, a comparison of our results with the prediction of other models is provided.
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Publisher
The American Physical Society
Copyright
Copyright © © 2017 American Physical Society
ISSN
1550-7998
eISSN
1550-2368
D.O.I.
10.1103/PhysRevD.96.016018
Publisher site
See Article on Publisher Site

Abstract

The form factors of semileptonic B(s)→a1(K1)ℓ+ℓ-, ℓ=τ, μ, e transitions are investigated in the framework of the light-cone sum rules with B-meson distribution amplitudes, which play an important role in exclusive B decays. The B-meson distribution amplitudes, φ±(ω) are a model-dependent form, so we consider four different parametrizations which can provide a reasonable description of φ±(ω) from QCD corrections. The branching fractions of these transitions are calculated. For a better analysis, a comparison of our results with the prediction of other models is provided.

Journal

Physical Review DAmerican Physical Society (APS)

Published: Jul 1, 2017

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