{"paper":{"title":"Transversity distributions in the nucleon in the large-N_c limit","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"(2) Porto U., 3), (3) St. Petersburg, (4) Regensburg U.), Bochum, C. Weiss (4), D. Urbano (2), INP, K. Goeke (1) ((1) Ruhr U., M. V. Polyakov (1, P. Schweitzer (1), P. V. Pobylitsa (1","submitted_at":"2001-01-26T15:45:33Z","abstract_excerpt":"We compute the quark and antiquark transversity distributions in the nucleon at a low normalization point of 600 MeV in the large-$N_c$ limit, where the nucleon can be described as a soliton of an effective chiral theory (chiral quark-soliton model). The flavor-nonsinglet distributions, $\\delta u(x) - \\delta d(x)$ and $\\delta\\bar u(x) - \\delta\\bar d(x)$, appear in leading order of the $1/N_c$-expansion, while the flavor-singlet distributions, $\\delta u(x) + \\delta d(x)$ and $\\delta\\bar u(x) + \\delta\\bar d(x)$, are non-zero only in next-to-leading order. The transversity quark and antiquark dis"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0101300","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"}