{"paper":{"title":"Feasibility Study of $D_s^+ \\to \\tau^+ \\nu_{\\tau}$ Decay and Test of Lepton Flavor Universality with Leptonic $D_s^+$ Decays at STCF","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"Huijing Li, Tao Luo, Xiaodong Shi, Xiaorong Zhou","submitted_at":"2021-10-17T16:44:24Z","abstract_excerpt":"We report a sensitive study of $D_s^+ \\to \\tau^+ \\nu_{\\tau}$ decay via $\\tau^+ \\to e^+ \\nu_e \\bar{\\nu}_{\\tau}$ with an integrated luminosity of 1 ab$^{-1}$ at the center-of-mass energy of $4.009$ GeV at a future Super Tau Charm Facility (STCF). Under the help of the fast simulation software package, the statistical sensitivity for the absolute branching fraction of $D_s^+ \\to \\tau^+ \\nu_{\\tau}$ is determined to be $2\\times10^{-4}$. Combining with our previous prospect of $D_s^+ \\to \\mu^+ \\nu_{\\mu}$, the ratio of the branching fractions for $D_s^+ \\to \\tau^+ \\nu_{\\tau}$ over $D_s^+ \\to \\mu^+ \\n"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.08864","kind":"arxiv","version":3},"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/2110.08864/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"}