{"paper":{"title":"Measurement of Non-prompt $\\rm D^0$-meson Elliptic Flow in Pb-Pb Collisions at $\\sqrt{s_{\\rm NN}}$ = 5.02 TeV","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"nucl-ex","authors_text":"ALICE Collaboration","submitted_at":"2023-07-26T10:18:23Z","abstract_excerpt":"The elliptic flow ($v_2$) of $\\rm D^0$ mesons from beauty-hadron decays (non-prompt $\\rm D^0$) was measured in midcentral (30-50%) Pb-Pb collisions at a centre-of-mass energy per nucleon pair $\\sqrt{s_{\\rm NN}}$ = 5.02 TeV with the ALICE detector at the LHC. The $\\rm D^0$ mesons were reconstructed at midrapidity ($|y|<0.8$) from their hadronic decay $\\mathrm{D^0 \\to K^-\\pi^+}$, in the transverse momentum interval $2 < p_{\\rm T} < 12$ GeV/$c$. The result indicates a positive $v_2$ for non-prompt $\\rm D^0$ mesons with a significance of 2.7$\\sigma$. The non-prompt $\\rm D^0$-meson $v_2$ is lower t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.14084","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/2307.14084/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"}