{"paper":{"title":"The $A(K^-_{stop},\\pi^\\pm\\Sigma^\\mp)A'$ reaction on p-shell nuclei","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A.Feliciello, A.Filippi, A.Fontana, A.Pantaleo, A.Zenoni, B.Dalena, D.Calvo, E.Botta, E.M.Fiore, F.DeMori, FINUDA Collaboration: M.Agnello, F.L.Fabbri, F.Moia, G.Bonomi, G.D'Erasmo, G.Simonetti, H.C.Bhang, H.Fujioka, H.Outa, L.Benussi, L.Busso, M.Bertani, M.Bregant, N.Grion, N.Mirfakhrai, O.Morra, P.Camerini, P.Genova, P.Gianotti, P.Montagna, R.Rui, R.Wheadon, S.Bufalino, S.Marcello, S.Piano, T.Bressani, T.Nagae, V.Lucherini, V.Paticchio","submitted_at":"2011-09-29T17:08:43Z","abstract_excerpt":"This letter is concerned with the study of the $K^-_{stop}A\\rightarrow \\pi^\\pm\\Sigma^\\mp A'$ reaction in p-shell nuclei, i.e., $^{6,7}Li$, $^9Be$, $^{13}C$ and $^{16}O$. The $\\pi^\\pm\\Sigma^\\mp / K^-_{stop}$ emission rates are reported as a function of $A$. These rates are discussed in comparison with previous findings. The ratio $\\pi^-\\Sigma^+/\\pi^+\\Sigma^-$ in p-shell nuclei is found to depart largely from that on hydrogen, which provides support for large in-medium effects possibly generated by the sub-threshold $\\Lambda(1405)$. The continuum momentum spectra of prompt pions and free sigmas "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.6594","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"}