{"paper":{"title":"Revisiting the Twist-3 Distribution Amplitudes of $K$ Meson within the QCD Background Field Approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Hai-Bing Fu, Hua-Yong Han, Qi-Li Liao, Tao Zhong, Xing-Gang Wu, Zhen-Yun Fang","submitted_at":"2011-09-14T16:28:21Z","abstract_excerpt":"In the present paper, we investigate the kaon twist-3 distribution amplitudes (DAs) $\\phi_{p,\\sigma}^K$ within the QCD background field approach. The $SU_f(3)$-breaking effects are studied in detail under a systematical way, especially the sum rules for the moments of $\\phi_{p,\\sigma}^K$ are obtained by keeping all the mass terms in the $s$-quark propagator consistently. After adding all the uncertainties in quadrature, the first two Gegenbauler moments of $\\phi_{p,\\sigma}^K$ are $a^1_{K,p}(1 {\\rm GeV}) = -0.376^{+0.103}_{-0.148}$, $a^2_{K,p}(1 {\\rm GeV}) = 0.701^{+0.481}_{-0.491}$, $a^1_{K,\\s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.3127","kind":"arxiv","version":3},"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"}