{"paper":{"title":"The decay $B\\to K+\\nu+\\bar{\\nu}$ at Belle II and a massless bino in R-parity-violating supersymmetry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Herbert K. Dreiner, Julian Y. G\\\"unther, Zeren Simon Wang","submitted_at":"2023-09-07T14:13:14Z","abstract_excerpt":"Recently, \\texttt{Belle II} announced evidence for the decay $B^+\\to K^+ +\\nu +\\bar{\\nu}$ at the $3.5\\,\\sigma$ significance, and measured the corresponding decay branching ratio to be $2.7\\,\\sigma$ above the Standard Model prediction. Here, we provide a theoretical explanation based on a massless bino in R-parity-violating (RPV) supersymmetry. With a single non-vanishing RPV coupling $\\lambda'_{i23/i32}$, $\\lambda'_{i13/i33}$, or $\\lambda'_{i12/i22}$, where $i=1,2,3$, the decay $B^+\\to K^+ +\\overset{\\scriptscriptstyle(-)}{\\nu_i}+ \\tilde{\\chi}^0_1$ can be induced, which would lead to the same s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.03727","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/2309.03727/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"}