{"paper":{"title":"Charm-quark fragmentation fractions and production cross section at midrapidity in pp collisions at the LHC","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"nucl-ex","authors_text":"ALICE Collaboration","submitted_at":"2021-05-13T14:43:56Z","abstract_excerpt":"Recent $p_{\\rm T}$-integrated cross section measurements of the ground-state charm mesons and baryons, D$^{\\rm 0}$, D$^+$, D$_{\\rm s}^{+}$, $\\Lambda_{\\rm c}^{+}$, and $\\Xi_{\\rm c}^0$, are used to evaluate the charm fragmentation fractions and production cross section per unit of rapidity at midrapidity ($|y|<0.5$), in pp collisions at $\\sqrt{s} = 5.02$ TeV at the LHC. The latter is ${\\rm d} \\sigma^{\\rm c \\overline{c}}/{\\rm d} y|_{|y| < 0.5}$ =1165 $\\pm 44(\\rm{stat})^{+134}_{-101}(\\rm{syst})$ $\\mu b$. These measurements were obtained for the first time in hadronic collisions at the LHC includin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.06335","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2105.06335/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"}