{"paper":{"title":"Importance of Loop Effects in Explaining the Accumulated Evidence for New Physics in B Decays with a Vector Leptoquark","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Andreas Crivellin, Christoph Greub, Dario M\\\"uller, Francesco Saturnino","submitted_at":"2018-07-05T15:59:57Z","abstract_excerpt":"In recent years experiments revealed intriguing hints for new physics (NP) in $B$ decays involving \\bctaunu and $b\\to s\\ell^+\\ell^-$ transitions at the $4\\,\\sigma$ and $5\\,\\sigma$ level, respectively. In addition, there are slight disagreements in $b\\to u \\tau\\nu$ and $b\\to d\\mu^+\\mu^-$ observables. While not significant on their own, they point in the same direction. Furthermore, $V_{us}$ extracted from $\\tau$ decays shows a slight tension ($\\approx2.5\\,\\sigma$) with its value determined from CKM unitarity. Additionally, BELLE found hints for an excess in $B_d\\to\\tau^+\\tau^-$. Concerning NP e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.02068","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":""},"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"}