{"paper":{"title":"Exotic fully-heavy $Q\\bar QQ\\bar Q$ tetraquark states in $\\mathbf{8}_{[Q\\bar{Q}]}\\otimes \\mathbf{8}_{[Q\\bar{Q}]}$ color configuration","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Qi-Nan Wang, Wei Chen, Zi-Yan Yang","submitted_at":"2021-09-16T16:29:19Z","abstract_excerpt":"We have systematically calculated the mass spectra for S-wave and P-wave fully-charm $c\\bar{c}c\\bar{c}$ and fully-bottom $b\\bar{b}b\\bar{b}$ tetraquark states in the $\\mathbf{8}_{[Q\\bar{Q}]}\\otimes \\mathbf{8}_{[Q\\bar{Q}]}$ color configuration, by using the moment QCD sum rule method. The masses for the fully-charm $c\\bar cc\\bar c$ tetraquark states are predicted about $6.3-6.5$ GeV for S-wave channels and $7.0-7.2$ GeV for P-wave channels. These results suggest the possibility that there are some $\\mathbf{8}_{[c\\bar{c}]}\\otimes \\mathbf{8}_{[c\\bar{c}]}$ components in LHCb's di-$J/\\psi$ structure"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.08091","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2109.08091/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"}