Analysis of pion production data measured by HADES in proton-proton collisions at 1.25 GeV
- Agakishiev, G.
- Balanda, A.
- Belver, D.
- Belyaev, A.
- Berger-Chen, J.C.
- Blanco, A.
- Böhmer, M.
- Boyard, J.L.
- Cabanelas, P.
- Chernenko, S.
- Dybczak, A.
- Epple, E.
- Fabbietti, L.
- Fateev, O.
- Finocchiaro, P.
- Fonte, P.
- Friese, J.
- Fröhlich, I.
- Galatyuk, T.
- Garzón, J.A.
- Gernhäuser, R.
- Göbel, K.
- Golubeva, M.
- Guber, F.
- Gumberidze, M.
- Heinz, T.
- Hennino, T.
- Holzmann, R.
- Ierusalimov, A.
- Iori, I.
- Ivashkin, A.
- Jurkovic, M.
- Kämpfer, B.
- Karavicheva, T.
- Koenig, I.
- Koenig, W.
- Kolb, B.W.
- Kornakov, G.
- Kotte, R.
- Krása, A.
- Krizek, F.
- Krücken, R.
- Kuc, H.
- Kühn, W.
- Kugler, A.
- Kurepin, A.
- Ladygin, V.
- Lalik, R.
- Lang, S.
- Lapidus, K.
- Lebedev, A.
- Liu, T.
- Lopes, L.
- Lorenz, M.
- Maier, L.
- Mangiarotti, A.
- Markert, J.
- Metag, V.
- Michalska, B.
- Michel, J.
- Müntz, C.
- Münzer, R.
- Naumann, L.
- Pachmayer, Y.C.
- Palka, M.
- Parpottas, Y.
- Pechenov, V.
- Pechenova, O.
- Pietraszko, J.
- Przygoda, W.
- Ramstein, B.
- Reshetin, A.
- Rustamov, A.
- Sadovsky, A.
- Salabura, P.
- Schmah, A.
- Schwab, E.
- Siebenson, J.
- Sobolev, Yu.G.
- Spataro, S.
- Spruck, B.
- Ströbele, H.
- Stroth, J.
- Sturm, C.
- Tarantola, A.
- Teilab, K.
- Tlusty, P.
- Traxler, M.
- Trebacz, R.
- Tsertos, H.
- Vasiliev, T.
- Wagner, V.
- Weber, M.
- Wendisch, C.
- Wüstenfeld, J.
- Yurevich, S.
- Zanevsky, Y.
- Sarantsev, A.V.
- Nikonov, V.A.
Publication date
January 2015
DOI Publisher
Springer Science and Business Media LLCAbstract
International audienceBaryon resonance production in proton-proton collisions at a kinetic beam energy of 1.25 GeV is investigated. The multi-differential data were measured by the HADES Collaboration. Exclusive channels with one pion in the final state ($np\pi^+$ and $pp\pi^0$ were put to extended studies based on various observables in the framework of a one-pion exchange model and with solutions obtained within the framework of a partial wave analysis (PWA) of the Bonn-Gatchina group. The results of the PWA confirm the dominant contribution of the $\Delta(1232)$, yet with a sizable impact of the $N(1440)$ and non-resonant partial waves
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