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Systematic effects in the lattice calculation of inclusive semileptonic decays
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Systematic effects in the lattice calculation of inclusive semileptonic decays
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We report on the calculation of the inclusive semileptonic decay of the $D_s$ meson on the lattice. We simulate the $D_s \rightarrow X_s\ell\nu_\ell$ process with M\"obius domain-wall charm and strange quarks, whose masses are approximately tuned to their physical values. Our simulations cover the whole kinematical region. The focus of this work is to present updates on our strategies towards estimating the systematic uncertainties in the determination of the inclusive decay rate. We specifically focus on the systematic errors due to the choice of our approximation strategy and finite-volume effects.
Forward citations
Cited by 2 Pith papers
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Study on the systematic effects on $b \to c$ inclusive semileptonic decays
Lattice QCD study analyzes key systematics in inclusive B_s to X_c l nu decays and isolates excited-state contributions by treating ground states exclusively to reduce uncertainties.
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Inclusive semileptonic $D_s\to X_s\ell\bar\nu$ decays from lattice QCD: continuum and chiral extrapolation
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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