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Published in 2018 at "Journal of High Energy Physics"
DOI: 10.1007/jhep07(2018)154
Abstract: A bstractWe reconsider the QCD predictions for the radiative decay B → γℓνℓ with an energetic photon in the final state by taking into account the 1/Eγ, 1/mb power-suppressed hard-collinear and soft corrections from higher-twist…
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Keywords:
leptonic decay;
decay subleading;
radiative leptonic;
subleading power ... See more keywords
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1
Published in 2020 at "International Journal of Theoretical Physics"
DOI: 10.1007/s10773-020-04525-x
Abstract: The D-meson leading-twist distribution amplitude (DA) is an universal physical quantity for applying QCD light-cone sum rules or perturbative QCD method to exclusive processes involving D-meson. Although several models have been used in the literature,…
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Keywords:
meson;
semi leptonic;
leptonic decay;
bar ... See more keywords
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Published in 2021 at "Physical Review D"
DOI: 10.1103/physrevd.103.014502
Abstract: We present a non-perturbative lattice calculation of the form factors which contribute to the amplitudes for the radiative decays $P\to \ell \bar \nu_\ell \gamma$, where $P$ is a pseudoscalar meson and $\ell$ is a charged…
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Keywords:
leptonic decay;
lattice calculation;
rates pseudoscalar;
decay rates ... See more keywords