{"paper":{"title":"Measurement of the lifetime and $\\Lambda$ separation energy of $^{3}_{\\Lambda}\\mathrm H$","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"ALICE Collaboration","submitted_at":"2022-09-15T15:20:37Z","abstract_excerpt":"The most precise measurements to date of the $^{3}_{\\Lambda}\\mathrm H$ lifetime $\\tau$ and $\\Lambda$ separation energy ${\\rm B}_{\\Lambda}$ are obtained using the data sample of Pb-Pb collisions at $\\sqrt{s_{\\mathrm{NN}}}=$ 5.02 TeV collected by ALICE at the LHC. The $^{3}_{\\Lambda}\\mathrm H$ is reconstructed via its charged two-body mesonic decay channel ($^{3}_{\\Lambda}\\mathrm{H} \\rightarrow$ $^3$He + $\\pi^-$ and the charge-conjugate process). The measured values $\\tau = [253 \\pm 11 \\text{ (stat.)} \\pm 6 \\text{ (syst.)}]$ ps and ${\\rm B}_{\\Lambda}= [102 \\pm 63 \\text{ (stat.)} \\pm 67 \\text{ (s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.07360","kind":"arxiv","version":3},"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/2209.07360/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"}