{"paper":{"title":"Constraining the neutron-proton effective mass splitting using empirical constraints on the density dependence of nuclear symmetry energy around normal density","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR","nucl-ex"],"primary_cat":"nucl-th","authors_text":"Bao-An Li, Xiao Han","submitted_at":"2013-04-11T16:55:26Z","abstract_excerpt":"According to the Hugenholtz-Van Hove theorem, nuclear symmetry energy \\esym and its slope \\lr at an arbitrary density $\\rho$ are determined by the nucleon isovector (symmetry) potential \\usym and its momentum dependence $\\frac{\\partial U_{sym}}{\\partial k}$. The latter determines uniquely the neutron-proton effective k-mass splitting $m^*_{n-p}(\\rho,\\delta)\\equiv (m_{\\rm n}^*-m_{\\rm p}^*)/m$ in neutron-rich nucleonic matter of isospin asymmetry $\\delta$. Using currently available constraints on the \\es0 and \\l0 at normal density $\\rho_0$ of nuclear matter from 28 recent analyses of various ter"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.3368","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"}