{"paper":{"title":"Analysis of the vector and axialvector $QQ\\bar{Q}\\bar{Q}$ tetraquark states with QCD sum rules","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Zhi-Gang Wang, Zun-Yan Di","submitted_at":"2018-07-23T10:37:24Z","abstract_excerpt":"In this article, we construct the axialvector-diquark-axialvector-antidiquark type currents to study both the vector and axialvector $QQ\\bar{Q}\\bar{Q}$ tetraquark states with the QCD sum rules, and obtain the masses $M_{Y(cc\\bar{c}\\bar{c},1^{+-})} =6.05\\pm0.08\\,\\rm{GeV}$, $M_{Y(cc\\bar{c}\\bar{c},1^{--})} =6.11\\pm0.08\\,\\rm{GeV}$, $M_{Y(bb\\bar{b}\\bar{b},1^{+-})} =18.84\\pm0.09\\,\\rm{GeV}$, $M_{Y(bb\\bar{b}\\bar{b},1^{--})} =18.89\\pm0.09\\,\\rm{GeV}$. The vector tetraquark states lie $40\\,\\rm{MeV}$ above the corresponding centroids of the $0^{++}$, $1^{+-}$ and $2^{++}$ tetraquark states, which is a typ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.08520","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"}