{"paper":{"title":"Neutron skin thickness of ${}^{208}$Pb determined from reaction cross section for proton scattering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"Jun Matsui, Masanobu Yahiro, Maya Takechi, Shingo Tagami, Tomotsugu Wakasa","submitted_at":"2020-10-06T03:31:39Z","abstract_excerpt":"The reaction cross section $\\sigma_R$ is useful to determine the neutron radius $R_n$ as well as the matter radius $R_m$.\n  The chiral (Kyushu) $g$-matrix folding model for $^{12}$C scattering on $^{9}$Be, $^{12}$C, $^{27}$Al targets was tested in the incident energy range of $30 \\lsim E_{\\rm in} \\lsim 400 $ MeV, and it is found that the model reliably reproduces the $\\sigma_R$ in $30 \\lsim E_{\\rm in} \\lsim 100 $ MeV and $250 \\lsim E_{\\rm in} \\lsim 400$ MeV. \\item[Aim]\n  We determine $R_n$ and the neutron skin thickness $R_{\\rm skin}$ of ${}^{208}{\\rm Pb}$ by using high-quality $\\sigma_R$ data"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.02450","kind":"arxiv","version":5},"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/2010.02450/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"}