{"paper":{"title":"$D$-meson semileptonic form factors at zero momentum transfer in (2+1+1)-flavor lattice QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"Aide El-Khadra, Andreas Kronfeld, Carleton DeTar, Claude Bernard, Doug Toussaint, Elvira G\\'amiz, James Simone, Javad Komijani, MILC Collaborations), Ruth S. Van de Water (Fermilab Lattice, Thomas Primer","submitted_at":"2015-11-12T18:47:44Z","abstract_excerpt":"We present a calculation of the $D\\to K \\ell \\nu$ and $D\\to\\pi \\ell \\nu$ semileptonic form factors at $q^2=0$, which enable determinations of the CKM matrix elements $\\lvert{V_{cs}}\\rvert$ and $\\lvert{V_{cd}}\\rvert$, respectively. We use gauge-field configurations generated by the MILC collaboration with four flavors of highly-improved staggered (HISQ) quarks, analyzing several ensembles including those with physical pion masses and approximate lattice spacings ranging from 0.12~fm to 0.042~fm. We also use the HISQ action for the valence quarks. We employ twisted boundary conditions to calcula"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.04000","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":""},"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"}