{"paper":{"title":"The strong coupling from an improved $\\tau$ vector isovector spectral function","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Diogo Boito, Kim Maltman, Maarten Golterman, Marcus V. Rodrigues, Santiago Peris, Wilder Schaaf","submitted_at":"2020-12-18T18:58:06Z","abstract_excerpt":"We combine ALEPH and OPAL results for the spectral distributions measured in $\\tau\\to\\pi^-\\pi^0\\nu_\\tau$, $\\tau\\to 2\\pi^-\\pi^+\\pi^0\\nu_\\tau$ and $\\tau\\to\\pi^-3\\pi^0\\nu_\\tau$ decays with (i) recent BaBar results for the analogous $\\tau\\to K^- K^0\\nu_\\tau$ distribution and (ii) estimates of the contributions from other hadronic $\\tau$-decay modes obtained using CVC and electroproduction data, to obtain a new and more precise non-strange, inclusive vector, isovector spectral function. The BaBar $K^- K^0$ and CVC/electroproduction results provide us with alternate, entirely data-based input for th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.10440","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/2012.10440/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"}