{"paper":{"title":"Analysis of $B_s\\to\\phi\\nu\\bar{\\nu}$ at CEPC","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Lingfeng Li, Manqi Ruan, Yudong Wang, Yuexin Wang","submitted_at":"2022-01-19T01:20:27Z","abstract_excerpt":"The rare $b\\to s\\nu\\bar{\\nu}$ decays are sensitive to contributions of new physics (NP) and helpful to resolve the puzzle of multiple $B$ flavor anomalies. In this work, we propose to study the $b\\to s\\nu\\bar{\\nu}$ transition at a future lepton collider operating at the $Z$ pole through the $B_s \\to \\phi\\nu\\bar{\\nu}$ decay. Using the $B_s\\to\\phi$ decay form factors from lattice simulations, we first update the SM prediction of BR($B_s \\to \\phi\\nu\\bar{\\nu})_{\\mathrm{SM}}=(9.93\\pm 0.72)\\times 10^{-6}$ and the corresponding $\\phi$ longitudinal polarization fraction $F_{L,{\\mathrm{SM}}}=0.53\\pm 0."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.07374","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/2201.07374/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"}