{"paper":{"title":"Rare $\\Lambda_b \\rightarrow \\Lambda l^+ l^- $ decay in the Bethe-Salpeter equation approach","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Liang-Liang Liu, Xian-Wei Kang, Xin-Heng Guo, Zhen-Yang Wang","submitted_at":"2019-11-19T00:58:43Z","abstract_excerpt":"We study the rare decays $\\Lambda_b \\rightarrow \\Lambda l^+ l^-~(l=e,\\mu, \\tau)$ in the Bethe-Salpeter equation approach. We find that depending on the values of parameters in our model the branching ratio $Br(\\Lambda_b \\rightarrow \\Lambda \\mu^+ \\mu^-)\\times 10^{6}$ varies from $0.812$ to $1.445$ when $\\kappa = 0.050 \\sim 0.060$ GeV$^3$ and the binding energy $E_0=-0.14$ GeV while $Br(\\Lambda_b \\rightarrow \\Lambda \\mu^+ \\mu^-)\\times 10^{6}$ varies from $1.051$ to $1.098$ when $\\kappa = 0.055$ Gev$^3$ and the binding energy $E_0$ changes from $-0.19$ to $-0.09$ GeV. These results agree with the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.08023","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/1911.08023/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"}