{"paper":{"title":"B^0-\\bar{B}^0 mixing and B \\to X_s \\gamma decay in the third type 2HDM: effects of NLO QCD contributions","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Libo Guo, Zhenjun Xiao","submitted_at":"2003-09-10T14:38:02Z","abstract_excerpt":"In this paper, we calculated the next-to-leading order (NLO) new physics contributions to the mass splitting $\\dmd$ and the branching ratio $\\brbxsga$ induced by the charged Higgs loop diagrams in the third type of two-Higgs-doublet models (model III) and draw the constraints on the free parameters of model III. For the model III under consideration, we found that (a) an upper limit $|\\ltt|\\leq 1.7$ is obtained from the precision data of $\\dmd=0.502 \\pm 0.007 ps^{-1}$, while $|\\ltt| \\approx 0.5$ is favored phenomenologicaly; (b) for $B \\to X_s \\gamma$ decay, the NLO QCD contributions tend to c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0309103","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"}