{"paper":{"title":"Directed flow in Au+Au collisions from the RHIC Beam Energy Scan at the STAR experiment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-th"],"primary_cat":"nucl-ex","authors_text":"Subhash Singha (for the STAR collaboration)","submitted_at":"2017-12-29T04:20:17Z","abstract_excerpt":"We report results of $v_1(y)$ and $dv_1/dy$ near mid-rapidity for $\\pi^{\\pm}$, $K^{\\pm}$, $K_s^0$, $p$, $\\overline{p}$, $\\Lambda$, $\\overline{\\Lambda}$ and $\\phi$ from Beam Energy Scan Au+Au collisions at $\\sqrt{s_{NN}} = $ 7.7 - 200 GeV using the STAR detector at RHIC. The $dv_{1}/dy$ of $\\pi^{\\pm}$, $K^{\\pm}$ and $K_s^0$ mesons remains negative over all beam energies. The $dv_1/dy$ of $p$ and $\\Lambda$ baryons shows a sign change around 10 - 15 GeV, while net baryons (net p and net $\\Lambda$) indicate a double sign change. The $dv_1/dy$ of $\\overline{p}$, $\\overline{\\Lambda}$ and $\\phi$ show"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.10113","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"}