{"paper":{"title":"The complete study on polarization of $\\Upsilon(nS)$ hadroproduction at QCD next-to-leading order","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Bin Gong, Chao-Hsi Chang, Jian-Xiong Wang, Yu Feng","submitted_at":"2020-09-07T11:47:57Z","abstract_excerpt":"Applying the nonrelativistic quantum chromodynamics factorization formalism to the $\\Upsilon(1S,2S,3S)$ hadroproduction, a complete analysis on the polarization parameters $\\lambda_{\\theta}$, $\\lambda_{\\theta\\phi}$, $\\lambda_{\\phi}$ for the production are presented at QCD next-to-leading order. With the long-distance matrix elements extracted from experimental data for the production rate and polarization parameter $\\lambda_{\\theta}$ of $\\Upsilon$ hadroproduction, our results provide a good description for the measured parameters $\\lambda_{\\theta\\phi}$ and $\\lambda_{\\phi}$ in both the helicity"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.03028","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2009.03028/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"}