{"paper":{"title":"Central production of lepton-antilepton pairs and heavy quark composite states in hadron diffractive collisions at ultrahigh energies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"J. Nyiri, M.A. Matveev, V.A. Nikonov, V.V. Anisovich","submitted_at":"2014-08-20T06:49:24Z","abstract_excerpt":"Central production of lepton-lepton pairs ($e^+e^-$ and $\\mu^+\\mu^-$) and heavy quark composite states (charmonia and bottomonia) in diffractive proton collisions (proton momenta transferred ${|\\bf q_\\perp}|\\sim m/\\ln s$) are studied at ultrahigh energies ($\\ln{s}>>1$), where $\\sigma_{tot}(pp^\\pm)\\sim\\ln^N s$ with $1\\la N\\la 2$. The $pp^\\pm$-rescattering corrections, which are not small, are calculated in terms of the $K$-matrix approach modified for ultrahigh energies. Two versions of hadron interactions are considered in detail: the growth (i) $\\sigma_{tot}(pp^\\pm)\\sim\\ln^2 s$, $\\sigma_{inel"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.4543","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"}