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  • Hadron Production and Propagation in Pion-Induced Reactions on Nuclei
    R Abou Yassine; Adamczewski-Musch, J; Atomssa, E T; Becker, M; Behnke, C; Blanco, A; Blume, C; Böhmer, M; Chlad, L; Chudoba, P; Ciepał, I; Deveaux, C; Epple, E; Fabbietti, L; Fonte, P; Franco, C; Friese, J; Fröhlich, I; Galatyuk, T; Garzón, J A; Gernhäuser, R; Greifenhagen, R; Grunwald, M; Harabasz, S; Heinz, T; Höhne, C; Hojeij, F; Idzik, M; Kämpfer, B; K-H Kampert; Kedych, V; Koenig, W; Kohls, M; Kolb, B W; Korcyl, G; Kornakov, G; Kotte, R; Kugler, A; Kunz, T; Lalik, R; Lapidus, K; Linev, S; Linz, F; Lopes, L; Mahmoud, T; Maier, L; Malige, A; Markert, J; Maurus, S; Michel, J; Mihaylov, D M; Mikhaylov, V; Molenda, A; Müntz, C; Nabroth, M; Naumann, L; Nowakowski, K; Orliński, J; J -H Otto; Parpottas, Y; Pechenov, V; Pechenova, O; Piasecki, K; Pietraszko, J; Povar, T; Prozorov, A; Przygoda, W; Pysz, K; Ramstein, B; Rathod, N; Rodriguez-Ramos, P; Rost, A; Salabura, P; Schild, N; Schmidt-Sommerfeld, K; Schuldes, H; Schwab, E; Scozzi, F; Seck, F; Sellheim, P; Siebenson, J; Silva, L; Smyrski, J; Spies, S; Stefaniak, M; Strzempek, P; Sturm, C; Sumara, K; Tlusty, P; Traxler, M; Tsertos, H; Weber, A A; Wendisch, C; Wirth, J; Zbroszczyk, H P; Zherebtsova, E; Collaboration, HADES; Curceanu, C; Piscicchia, K; Scordo, A

    arXiv (Cornell University), 02/2023
    Paper, Journal Article

    Hadron production (\(\pi^\pm\), proton, \(\Lambda\), \(K_S^0\), \(K^\pm\)) in \(\pi^- + \mathrm{C}\) and \(\pi^- + \mathrm{W}\) collisions is investigated at an incident pion beam momentum of \(1.7~\mathrm{GeV}/c\). This comprehensive set of data measured with HADES at SIS18/GSI significantly extends the existing world data on hadron production in pion induced reactions and provides a new reference for models that are commonly used for the interpretation of heavy-ion collisions. The measured inclusive differential production cross-sections are compared with state-of-the-art transport model (GiBUU, SMASH) calculations. The (semi-) exclusive channel \(\pi^- + A \rightarrow \Lambda + K_S^0 +X\), in which the kinematics of the strange hadrons are correlated, is also investigated and compared to a model calculation. Agreement and remaining tensions between data and the current version of the considered transport models are discussed.

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