{"paper":{"title":"Probing an axial-vector tetraquark $Z_s$ via its semileptonic decay $Z_s \\to X(4274)\\overline{l} \\nu_l$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-lat"],"primary_cat":"hep-ph","authors_text":"B. Barsbay, H. Sundu, K. Azizi, S. S. Agaev","submitted_at":"2018-04-12T14:11:42Z","abstract_excerpt":"The semileptonic decays of the open charm-bottom axial-vector tetraquark $ Z_{s}=[cs][\\overline{b}\\overline{s}]$ to $X(4274)\\overline{l} \\nu_l$, $l=e, \\mu, \\tau $ are explored by means of the QCD three-point sum rule method. Both $Z_{s}$ and $X(4274)=[cs][\\overline{c}\\overline{s}]$ are treated as color sextet diquark-antidiquark states. The full width of the decays $Z_s \\to X(4274)\\overline{l} \\nu_l$ is found. Obtained predictions for $ \\Gamma(Z_s \\to X(4274)\\overline{l} \\nu_l)$ demonstrate that, as in the case of the conventional hadrons, the semileptonic transitions form a very small part of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.04525","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"}