{"paper":{"title":"On Charmless $B\\to K_h\\eta^{(')}$ Decays with $K_h=K,K^*,K_0^*(1430),K_2^*(1430)$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Chun-Khiang Chua, Hai-Yang Cheng","submitted_at":"2010-05-11T23:16:00Z","abstract_excerpt":"We study the charmless decays $B\\to K_h\\eta$ and $B\\to K_h\\eta'$  within the framework of QCD factorization (QCDF) for $K_h= K,K^*,K_0^*(1430)$ and naive factorization for $K_h=K_2^*(1430)$. There are three distinct types of penguin contributions: (i) $b\\to sq\\bar q\\to s\\eta_{q}$, (ii) $b\\to ss\\bar s\\to s\\eta_s$, and (iii) $b\\to s q\\bar q\\to q \\bar K_h$, where $\\eta_q=(u\\bar u+d\\bar d)/\\sqrt{2}$ and $\\eta_s=s\\bar s$. $B\\to K^{(*)}\\eta^{(')}$ decays are dominated by type-II and type-III penguin contributions. The interference, constructive for $K\\eta'$ and $K^*\\eta$ and destructive for $K\\eta$ "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.1968","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"}