{"paper":{"title":"Measurement of dielectron production in central Pb-Pb collisions at $\\sqrt{{\\textit{s}}_{\\mathrm{NN}}}$ = 2.76 TeV","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"nucl-ex","authors_text":"ALICE Collaboration","submitted_at":"2018-07-02T23:24:17Z","abstract_excerpt":"The first measurement of dielectron ($\\mathrm{e}^{+}\\mathrm{e}^{-}$) production in central (0$-$10$\\%$) Pb-Pb collisions at $\\mathbf{\\sqrt{{\\textit{s}}_{\\mathrm{NN}}}}$ = 2.76 TeV at the LHC is presented. The dielectron invariant-mass spectrum is compared to the expected contributions from hadron decays in the invariant-mass range $0 < m_{\\mathrm{ee}}<3.5\\ \\mathrm{GeV}/\\textit{c}^{2}$. The ratio of data and the cocktail of hadronic contributions without vacuum $\\rho^{0}$ is measured in the invariant-mass range $0.15 < m_{\\mathrm{ee}}<0.7\\ \\mathrm{GeV}/\\textit{c}^{2}$, where an excess of dielec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.00923","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":""},"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"}