{"paper":{"title":"Charmless hadronic decays $B \\to VV$ in the Topcolor-assisted Technicolor model","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Libo Guo, Zhenjun Xiao","submitted_at":"2003-06-30T02:51:52Z","abstract_excerpt":"Based on the effective Hamiltonian with the generalized factorization approach, we calculate the branching ratios and CP asymmetries of $B \\to VV$ decays in the Topcolor-assisted Technicolor (TC2) model. Within the considered parameter space we find that: (a) for the penguin-dominated $B \\to K^{*+}\\phi$ and $K^{*0}\\phi$ decays, the new physics enhancements to the branching ratios are around 40%; (b) the measured branching ratios of $B \\to K^{*+} \\phi$ and $ K^{*0} \\phi$ decays prefer the range of $3 \\lesssim \\nceff \\lesssim 5$; (c) the SM and TC2 model predictions for the branching ratio ${\\ca"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0306292","kind":"arxiv","version":1},"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"}