Lattice calculation of the $D_s\mapsto X \ell \bar{\nu}_\ell$ inclusive decay rate: an overview

Alessandro De Santis; Christiane Franziska Gro{\ss}

Lattice calculation of the $D_s\mapsto X \ell \bar{\nu}_\ell$ inclusive decay rate: an overview

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arxiv 2502.15519 v1 pith:TRYLT6ZX submitted 2025-02-21 hep-lat hep-ph

Christiane Franziska Gro{ss} , Alessandro De Santis This is my paper

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abstract

In this talks, on behalf of our collaboration we present an overview of our first-principle lattice QCD calculation of the $D_s\mapsto X \ell \bar{\nu}_\ell$ inclusive decay rate. Here we introduce the theoretical background and focus on the methodological aspects of the calculation. A detailed discussion of our results, including the comparison with the corresponding experimental measurements will soon be presented in a forthcoming publication.

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Inclusive semileptonic $D_s\to X_s\ell\bar\nu$ decays from lattice QCD: continuum and chiral extrapolation
hep-lat 2026-04 unverdicted novelty 5.0 of 10

Lattice QCD yields the Ds to Xs l nu inclusive decay rate in agreement with experiment after full chiral and continuum extrapolations, with few-percent total uncertainty.

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