{"paper":{"title":"$B \\to f_0(980) (\\pi,\\etapp)$ Decays in the PQCD Approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Zhen-jun Xiao, Zhi-Qing Zhang","submitted_at":"2008-12-12T08:39:13Z","abstract_excerpt":"Based on the assumption of two-quark structure of the scalar meson $f_0(980)$, we calculate the branching ratios and CP-violating asymmetries for the four $B \\to f_0(980)\\pi$ and $B \\to f_0(980)\\etapp$ decays by employing the perturbative QCD (pQCD) factorization approach. The leading order pQCD predictions for branching ratios are, $Br(B^-\\to f_0(980) \\pi^-)\\sim 2.5 \\times 10^{-6}$, $Br(\\bar{B}^0\\to f_0(980) \\pi^0)\\sim 2 6 \\times 10^{-7}$, $Br(\\bar{B}^0\\to f_0(980) \\eta)\\sim 2.5 \\times 10^{-7}$ and $Br(\\bar{B}^0\\to f_0(980) \\eta^\\prime)\\sim 6.7 \\times 10^{-7}$, which are consistent with both "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0812.2314","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"}