{"paper":{"title":"$\\Sigma^0$ production in proton nucleus collisions near threshold","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Blanco, A. Dybczak, A. Ierusalimov, A. Ivashkin, A. Kr\\'asa, A. Kugler T. Kunz, A. Kurepin, A. Kurilkin, A. Lebedev, A. Mangiarotti, A. Reshetin, A. Rost, A. Rustamov, A. Sadovsky, A. Tarantola, B. Kardan, B. Ramstein, B. W. Kolb, C. Behnke, C. Blume, C. Deveaux, C. Franco, C. H\\\"ohne, C. M\\\"untz, C. Sturm, C. Wendisch, E. Epple, E. Krebs, E.T. Atomssa, F. Guber, G. Agakishiev, G. Korcyl, G. Kornakov, H. Kuc, H. Schuldes, H. Str\\\"obele, H. Tsertos, I. Fr\\\"ohlich, I. Koenig, J. Adamczewski-Musch, J. A. Garz\\'on, J. Biernat, J.C. Berger-Chen, J. Friese, J. Markert, J. Michel, J. Pietraszko, J. Siebenson, J. Stroth, J. Wirth, J. W\\\"ustenfeld, K. Gill, K. Lapidus, K. Schmidt-Sommerfeld, K. Teilab, L. Fabbietti, L. Lopes, L. Maier, L. Rehnisch, L. Silva, M. B\\\"ohmer, M. Golubeva, M. Gumberidze, M. Jurkovic B. K\\\"ampfer, M. Lorenz, M. Palka, M. Traxler, O. Arnold, O. Fateev P. Fonte, O. Pechenova, O. Svoboda, P. Bordalo S. Chernenko, P. Kurilkin, P. Salabura, P. Sellheim, P. Strzempek, P. Tlusty, P. Zumbruch, R. Gernh\\\"auser, R. Holzmann, R. Kotte, R. Lalik, R. M\\\"unzer L. Naumann, S. Harabasz, S. Maurus, S.Ramos, S. Spataro, T. Galatyuk, T. Hennino S. Hlavac, T. Karavicheva, T. Mahmoud, T. Scheib, T. Vasiliev, V. Ladygin, V. Metag, V. Pechenov, V. Petousis, V. Wagner, W. Koenig, W. Przygoda, Y. Parpottas, Yu.G. Sobolev, Y. Zanevsky","submitted_at":"2017-11-15T13:21:19Z","abstract_excerpt":"The production of $\\Sigma^{0}$ baryons in the nuclear reaction p (3.5 GeV) + Nb (corresponding to $\\sqrt{s_{NN}}=3.18$ GeV) is studied with the detector set-up HADES at GSI, Darmstadt. $\\Sigma^{0}$s were identified via the decay $\\Sigma^{0} \\rightarrow \\Lambda \\gamma$ with subsequent decays $\\Lambda \\rightarrow p \\pi^{-}$ in coincidence with a $e^{+}e^{-}$ pair from either external ($\\gamma \\rightarrow e^{+} e^{-}$) or internal (Dalitz decay $\\gamma^{*}\\rightarrow e^{+} e^{-}$) gamma conversions. The differential $\\Sigma^0$ cross section integrated over the detector acceptance, i.e. the rapidi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.05559","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"}