{"paper":{"title":"Baryonic resonances close to the Kbar-N threshold: the case of Lambda(1405) in pp collisions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Balanda, A. Blanco, A. Dybczak, A. Ierusalimov, A. Ivashkin, A. Kr\\'asa, A. Kugler, A. Kurepin, A. Lebedev, A. Mangiarotti, A. Reshetin, A. Rustamov, A. Sadovsky, A. Schmah, A. Tarantola, A.V. Belyaev, B. K\\\"ampfer, B. Michalska, B. Ramstein, B. Spruck, B.W. Kolb, C. M\\\"untz, C. Sturm, C. Wendisch, D. Belver, D. Gonz\\'alez-D\\'iaz, E. Epple, E. Schwab, F. Guber, F. Krizek, G. Agakishiev, G. Kornakov, H. Kuc, H. Str\\\"obele, H. Tsertos, I. Fr\\\"ohlich, I. Iori, I. Koenig, J.A. Garz\\'on, J. C. Berger-Chen, J. Friese, J.L. Boyard, J. Markert, J. Michel, J. Pietraszko, J. Siebenson, J. Stroth, J. W\\\"ustenfel, K. G\\\"obel, K. Lapidus, K. Teilab, L. Fabbietti, L. Lopes, L. Maier, L. Naumann, M. B\\\"ohmer, M. Golubeva, M. Gumberidze, M. Jurkovic, M. Lorenz, M. Palka, M. Traxler, M. Weber, O. Pechenova, P. Cabanelas, P. Finocchiaro, P. Fonte, P. Salabura, P. Tlusty, R. Gernh\\\"auser, R. Holzmann, R. Kotte, R. Kr\\\"ucken, R. Lalik, R. Trebacz, S. Chernenko, S. Lang, S. Spataro, S. Yurevich, T. Galatyuk, T. Heinz, T. Hennino, T. Karavicheva, T. Liu, T. Vasiliev, V. Ladygin, V. Metag, V. Pechenov, V. Wagner, W. Koenig, W. K\\\"uhn, W. Przygoda, Y.C. Pachmayer, Y. Parpottas, Y.V. Zanevsky","submitted_at":"2012-08-01T13:33:49Z","abstract_excerpt":"We present an analysis of the Lambda(1405) resonance produced in the reaction p+p->Sigma^{pm}+pi^{mp}+K+p at 3.5 GeV kinetic beam energy measured with HADES at GSI. The two charged decay channels Lambda(1405) -> Sigma^{\\pm}+pi^{\\mp} have been reconstructed for the first time in p+p collisions. The efficiency and acceptance-corrected spectral shapes show a peak position clearly below 1400 MeV/c^2. We find a total production cross section of sigma_{Lambda(1405)}=9.2 +- 0.9 +- 0.7 +3.3-1.0 mub. The analysis of its polar angle distribution suggests that the Lambda(1405) is produced isotropically i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.0205","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"}