{"paper":{"title":"Probing small neutron skin variations in isotope pairs by hyperon-antihyperon production in antiproton--nucleus interactions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"nucl-th","authors_text":"Falk Schupp, Horst Lenske, Josef Pochodzalla, Marcell Steinen, Martin Christiansen, Michael B\\\"olting, Theodoros Gaitanos","submitted_at":"2024-11-20T12:08:33Z","abstract_excerpt":"We propose a new method to study the evolution of the neutron periphery between different isotopes by considering antiproton--nucleus interactions close to the production threshold of $\\Lambda \\overline{\\Lambda }$ and $\\Sigma^-\\overline{\\Lambda }$ pairs. At low energies, $\\Lambda \\overline{\\Lambda }$ pairs are produced in $\\overline{\\text{p}} +\\text{p}$ collisions, while $\\Sigma^-\\overline{\\Lambda }$ pairs can only be produced in $\\overline{\\text{p}} +\\text{n}$ interactions. Within a simple geometrical picture we show that the double ratio for the production of $\\Sigma^-\\overline{\\Lambda }$ an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.13622","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2411.13622/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"}