{"paper":{"title":"Study of $CP$ Violations in $B^-\\rightarrow K^- \\pi^+\\pi^-$ and $B^-\\rightarrow K^- f_0(500)$ decays in the QCD factorization approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Jing-Juan Qi, Jing Xu, Xin-Heng Guo, Zhen-Hua Zhang, Zhen-Yang Wang","submitted_at":"2018-05-24T07:46:31Z","abstract_excerpt":"Within the QCD factorization approach, we study the $CP$ violations in $B^-\\rightarrow K^-\\pi^+\\pi^-$ and $B^-\\rightarrow K^- f_0(500)$ decays. We find the experimental data of the localized $CP$ asymmetry in $B^-\\rightarrow K^-\\pi^+\\pi^-$ decays in the region $m_{K^-\\pi^+}^2<15$ $\\mathrm{GeV}^2$ and $0.08<m_{\\pi^+\\pi^-}^2<0.66$ $\\mathrm{GeV}^2$ can be explained by the interference of two intermediate resonances, $\\rho^0(770)$ and $f_0(500)$ when the parameters in our interference model are in the allowed ranges, i.e. the relative strong phase $\\delta\\in[0, 1.745]\\cup[3.578, 6.266]$ and the en"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.09534","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"}