{"paper":{"title":"Complete Nonrelativistic-QCD Prediction for Prompt Double $J/\\psi$ Hadroproduction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Bernd A. Kniehl, Zhi-Guo He","submitted_at":"2016-09-09T13:21:08Z","abstract_excerpt":"We perform a complete study of prompt double $J/\\psi$ hadroproduction at leading order in the nonrelativistic-QCD factorization framework by including all possible pairings of the $c\\bar{c}$ Fock states ${}^1\\!S_0^{[8]}$, ${}^3\\!S_1^{[1,8]}$, and ${}^3\\!P_J^{[1,8]}$ with $J=0,1,2$. We find that the ${}^1\\!S_0^{[8]}$ and ${}^3\\!P_J^{[8]}$ channels of $J/\\psi$ and $\\psi^\\prime$ production and the ${}^3\\!P_J^{[1]}$ and ${}^3\\!S_1^{[8]}$ channels of $\\chi_{cJ}$ production, which have been overlooked so far, greatly dominate at large invariant masses and rapidity separations of the $J/\\psi$ pair, a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.02786","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"}