{"paper":{"title":"Constraints on hard spectator scattering and annihilation corrections in $B_{u,d}$ ${\\to}$ $PV$ decays within QCD factorization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Junfeng Sun, Qin Chang, Xiaohui Hu, Yueling Yang","submitted_at":"2014-12-07T09:36:13Z","abstract_excerpt":"In this paper, we investigate the contributions of hard spectator scattering and annihilation in $B\\to PV$ decays within the QCD factorization framework. With available experimental data on $B\\to \\pi K^{\\ast}$, $\\rho K$, $\\pi \\rho$ and $K\\phi$ decays, comprehensive $\\chi^2$ analyses of the parameters $X_{A,H}^{i,f}({\\rho}_{A,H}^{i,f},{\\phi}_{A,H}^{i,f})$ are performed, where $X_A^f$ ($X_A^i$) and $X_H$ are used to parameterize the endpoint divergences of the (non)factorizable annihilation and hard spectator scattering amplitudes, respectively. Based on $\\chi^2$ analyses, it is observed that (1"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.2334","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"}