Inclusive Λ production in proton-proton collisions at 3.5 GeV
Date
2017Author
Adamczewski-Musch, J.Agakishiev, G.
Arnold, O.
Atomssa, E. T.
Behnke, C.
Berger-Chen, J. C.
Biernat, J.
Blanco, A.
Blume, C.
Böhmer, M.
Bordalo, P.
Chernenko, S.
Deveaux, C.
Dreyer, J.
Dybczak, A.
Epple, E.
Fabbietti, L.
Fateev, O.
Fonte, P.
Franco, C.
Friese, J.
Fröhlich, I.
Galatyuk, T.
Garzón, J. A.
Gill, K.
Golubeva, M.
Guber, F.
Gumberidze, M.
Harabasz, S.
Hennino, T.
Hlavac, S.
Höhne, C.
Holzmann, R.
Ierusalimov, A.
Ivashkin, A.
Jurkovic, M.
Kämpfer, B.
Karavicheva, T.
Kardan, B.
Koenig, I.
Koenig, W.
Kolb, B. W.
Korcyl, G.
Kornakov, G.
Kotte, R.
Krása, Antonín
Krebs, E.
Kuc, H.
Kugler, A.
Kunz, T.
Kurepin, A.
Kurilkin, A.
Kurilkin, P.
Ladygin, V.
Lalik, R.
Lapidus, K.
Lebedev, A.
Lopes, L.
Lorenz, M.
Mahmoud, T.
Maier, L.
Maurus, S.
Mangiarotti, A.
Markert, J.
Metag, V.
Michel, J.
Morozov, S.
Müntz, C.
Münzer, R.
Naumann, L.
Palka, M.
Parpottas, Yiannis
Pechenov, V.
Pechenova, O.
Petousis, Vlassis
Pietraszko, J.
Przygoda, W.
Ramos, S.
Ramstein, B.
Rehnisch, L.
Reshetin, A.
Rost, A.
Rustamov, A.
Sadovsky, A.
Salabura, P.
Scheib, T.
Schmidt-Sommerfeld, K.
Schuldes, H.
Sellheim, P.
Siebenson, J.
Silva, L.
Sobolev, Y. G.
Spataro, S.
Ströbele, H.
Stroth, J.
Strzempek, P.
Sturm, C.
Svoboda, O.
Tarantola, A.
Teilab, K.
Tlusty, P.
Traxler, M.
Tsertos, Haralambos
Vasiliev, T.
Wagner, V.
Wendisch, C.
Wirth, J.
Zanevsky, Y.
Zumbruch, P.
ISSN
2469-9985Source
Physical Review CVolume
95Issue
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Show full item recordAbstract
The inclusive production of Λ hyperons in proton-proton collisions at s=3.18GeV was measured with HADES at the GSI Helmholtzzentrum für Schwerionenforschung in Darmstadt. The experimental data are compared to a data-based model for individual exclusive Λ production channels in the same reaction. The contributions of intermediate resonances such as Σ(1385), Δ++, or N∗ are considered in detail. In particular, the result of a partial-wave analysis accounts for the abundant pK+Λ final state. Model and data show a reasonable agreement at midrapidities, while a difference is found for larger rapidities. A total Λ production cross section in p+p collisions at s=3.18GeV of σ(p+p→Λ+X)=207.3±1.3-7.3+6.0(stat.)±8.4(syst.)-0.5+0.4(model.)μb is found. © 2017 American Physical Society.