{"paper":{"title":"Photo-excitation of hyperons and exotic baryon in gamma N --> K Anti-K N","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"K. Nakayama, T.-S. H. Lee, Yongseok Oh","submitted_at":"2005-11-16T15:55:14Z","abstract_excerpt":"We investigate the reaction of $\\gamma N \\to K \\bar{K} N$ focusing on the photoproduction of $\\Lambda(1520)$ and putative exotic $\\Theta(1540)$. We consider various background production mechanisms including the production of vector mesons, tensor mesons, and other $\\Lambda$ and $\\Sigma$ hyperons. We discuss the angular distribution of $\\Lambda(1520)$ photoproduction cross section and the radiative decays of $\\Lambda(1520)$. We also discuss what we expect for the invariant mass distributions if the $\\Theta(1540)$ is formed in the reaction, with the parameters studied so far. We find that the p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0511198","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"}