{"paper":{"title":"Inclusive $\\bar B_s\\mapsto X_{\\bar sc} \\ell \\bar \\nu$ decays from lattice QCD: computational strategy and a first physical result","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-lat","authors_text":"Alessandro De Santis, Antonio Evangelista, Antonio Smecca, Bartosz Kostrzewa, Carsten Urbach, Christiane Franziska Gro{\\ss}, Francesca Margari, Francesco Sanfilippo, Gael Finauri, Giuseppe Gagliardi, Javier Suarez Sucunza, Lorenzo Maio, Marco Garofalo, Marco Panero, Nazario Tantalo, Paolo Gambino, Roberto Frezzotti, Silvano Simula, Vittorio Lubicz","submitted_at":"2026-07-01T16:03:42Z","abstract_excerpt":"We present a strategy to compute the inclusive decay rate for the process $\\bar B_s \\mapsto X_{\\bar sc} \\ell \\bar{\\nu}$ from first principles in lattice QCD. The physical decay rate is obtained from the interpolation of non-perturbative lattice data, obtained at lighter than physical heavy meson masses ($M_{\\bar B_s}^\\mathrm{max}=4.3$GeV), with the Operator Product Expansion predictions, which become exact in the limit of infinitely heavy quarks. We also present a new method for the computation of the required lattice four-point correlators, which represents a considerable improvement over the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.01116","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.01116/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}