{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:OFH6S3PH7ZOCX4AEFH24SEI4GQ","short_pith_number":"pith:OFH6S3PH","schema_version":"1.0","canonical_sha256":"714fe96de7fe5c2bf00429f5c9111c342c06ca517e04a1e92ec81f4b5021d414","source":{"kind":"arxiv","id":"1110.1515","version":2},"attestation_state":"computed","paper":{"title":"Effective mass splitting of neutron and proton and isospin emission in heavy-ion collisions","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Zhao-Qing Feng","submitted_at":"2011-10-07T13:05:25Z","abstract_excerpt":"Within the framework of an isospin and momentum dependent transport model, the emissions of isospin particles (nucleons and light clusters) squeezed out in heavy-ion collisions are investigated as probes of the poorly known symmetry energy at high baryon density. Two different mass splittings of neutrons and protons in nuclear medium as $m_{n}^{\\ast}>m_{p}^{\\ast}$ and $m_{n}^{\\ast}m_{p}^{\\ast}$ and $m_{n}^{\\ast}