{"paper":{"title":"Antineutrino induced Lambda(1405) production off the proton","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"E. Oset, L. Alvarez-Ruso, M. J. Vicente Vacas, Xiulei Ren","submitted_at":"2015-01-16T18:20:30Z","abstract_excerpt":"We have studied the strangeness changing antineutrino induced reactions $\\bar{\\nu}_{l} p \\rightarrow l^+ \\phi B $, with $\\phi B = K^-p$, $\\bar{K}^0n$, $\\pi^0\\Lambda$, $\\pi^0\\Sigma^0$, $\\eta\\Lambda$, $\\eta\\Sigma^0$, $\\pi^+\\Sigma^-$, $\\pi^-\\Sigma^+$, $K^+\\Xi^-$ and $K^0\\Xi^0$, using a chiral unitary approach. These ten coupled channels are allowed to interact strongly, using a kernel derived from the chiral Lagrangians. This interaction generates two $\\Lambda(1405)$ poles, leading to a clear single peak in the $\\pi \\Sigma$ invariant mass distributions. At backward scattering angles in the center"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.04073","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"}