Updated determinations of |V$_{us}$| with tau decays using new recent estimates of radiative corrections for light-meson leptonic decay rates

We update the determinations using the HFLAV 2018 report tau branching fraction results with recent new estimates of the \pi\ell2 <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>π</mml:mi><mml:mi>ℓ</mml:mi><mml:mn>2</mml:mn></mml:mrow></mml:math> and K\ell2 <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>K</mml:mi><mml:mi>ℓ</mml:mi><mml:mn>2</mml:mn></mml:mrow></mml:math> radiative corrections. There are minor changes of the central values and uncertainties.

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Publication Details

Journal
SciPost Physics Proceedings
Published
2025-07-14
DOI
https://doi.org/10.21468/scipostphysproc.16.002
Primary Topic
Particle physics theoretical and experimental studies
Type
article
Field-Weighted Citation Impact
0.00
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article

Updated determinations of |V$_{us}$| with tau decays using new recent estimates of radiative corrections for light-meson leptonic decay rates

A. Lusiani
SciPost Physics Proceedings
Particle physics theoretical and experimental studies
article

Updated determinations of |V$_{us}$| with tau decays using new recent estimates of radiative corrections for light-meson leptonic decay rates

A. Lusiani
article en

Abstract

We update the determinations using the HFLAV 2018 report tau branching fraction results with recent new estimates of the \pi\ell2 <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>π</mml:mi><mml:mi>ℓ</mml:mi><mml:mn>2</mml:mn></mml:mrow></mml:math> and K\ell2 <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>K</mml:mi><mml:mi>ℓ</mml:mi><mml:mn>2</mml:mn></mml:mrow></mml:math> radiative corrections. There are minor changes of the central values and uncertainties.

SciPost Physics Proceedings(16)
Scuola Normale Superiore (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Pisa (IT)
Openalex Percentile: Top 92%
Particle physics theoretical and experimental studies
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