{"paper":{"title":"eta in the nuclear medium within a chiral unitary approach","license":"","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"E. Oset, T. Inoue","submitted_at":"2002-05-02T18:55:07Z","abstract_excerpt":"The self-energy of an eta meson in the nuclear medium is calculated in a chiral unitary approach.\n A coupled channel Bethe-Salpeter equation is solved to obtain the effective eta-N interaction in the medium.\n The base model reproduces well the free space pi-N elastic and inelastic scattering at the eta-N threshold or N^*(1535) region.\n The Pauli blocking on the nucleons, binding potentials for the baryons and self-energies of the mesons are incorporated, including the eta self-energy in a self-consistent way.\n Our calculation predicts about -54 -i29 MeV for the optical potential at normal nucl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0205028","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"}