{"paper":{"title":"Revisiting $D$-meson twist-2, 3 distribution amplitudes","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Dong Huang, Hai-Bing Fu, Tao Zhong","submitted_at":"2022-12-09T02:41:03Z","abstract_excerpt":"Due to the significant difference between the experimental measurements and the theoretical predictions of standard model (SM) for the value of $\\mathcal{R}(D)$ of the semileptonic decay $B\\to D\\ell\\bar{\\nu}_{\\ell}$, people speculate that it may be the evidence of new physics beyond the SM. Usually, the $D$-meson twist-2, 3 distribution amplitudes (DAs) $\\phi_{2;D}(x,\\mu)$, $\\phi_{3;D}^p(x,\\mu)$ and $\\phi_{3;D}^\\sigma(x,\\mu)$ are the main error sources when using perturbative QCD factorization and light-cone QCD sum rules to study $B\\to D\\ell\\bar{\\nu}_{\\ell}$. Therefore, it is important to get"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.04641","kind":"arxiv","version":2},"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/2212.04641/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"}