arXiv · 2301.03940
Hadron Production and Propagation in Pion-Induced Reactions on Nuclei
Abstract
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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R. Abou Yassine, J. Adamczewski-Musch, O. Arnold, E. T. Atomssa, M. Becker, C. Behnke, J. C. Berger-Chen, A. Blanco, C. Blume, M. Böhmer, L. Chlad, P. Chudoba, I. Ciepał, C. Deveaux, D. Dittert, J. Dreyer, E. Epple, L. Fabbietti, P. Fonte, C. Franco, J. Friese, I. Fröhlich, J. Förtsc, T. Galatyuk, J. A. Garzón, R. Gernhäuser, R. Greifenhagen, M. Grunwald, M. Gumberidze, S. Harabasz, T. Heinz, T. Hennino, C. Höhne, F. Hojeij, R. Holzmann, M. Idzik, B. Kämpfer, K-H. Kampert, B. Kardan, V. Kedych, I. Koenig, W. Koenig, M. Kohls, J. Kolas, B. W. Kolb, G. Korcyl, G. Kornakov, R. Kotte, W. Krueger, A. Kugler, T. Kunz, R. Lalik, K. Lapidus, S. Linev, F. Linz, L. Lopes, M. Lorenz, T. Mahmoud, L. Maier, A. Malige, J. Markert, S. Maurus, V. Metag, J. Michel, D. M. Mihaylov, V. Mikhaylov, A. Molenda, C. Müntz, R. Münzer, M. Nabroth, L. Naumann, K. Nowakowski, J. Orliński, J. -H. Otto, Y. Parpottas, M. Parschau, C. Pauly, V. Pechenov, O. Pechenova, K. Piasecki, J. Pietraszko, T. Povar, A. Prozorov, W. Przygoda, K. Pysz, B. Ramstein, N. Rathod, P. Rodriguez-Ramos, A. Rost, A. Rustamov, P. Salabura, T. Scheib, N. Schild, K. Schmidt-Sommerfeld, H. Schuldes, E. Schwab, F. Scozzi, F. Seck, P. Sellheim, J. Siebenson. 2023-01-10. Hadron Production and Propagation in Pion-Induced Reactions on Nuclei. https://arxiv.org/abs/2301.03940
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