Hadron production and propagation in pion-induced reactions on nuclei

IF 2.6 3区物理与天体物理 Q2 PHYSICS, NUCLEAR The European Physical Journal A Pub Date : 2024-07-24 DOI:10.1140/epja/s10050-024-01346-y

HADES collaboration, 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, S. Deb, C. Deveaux, D. Dittert, J. Dreyer, E. Epple, L. Fabbietti, P. Fonte, C. Franco, J. Friese, I. Fröhlich, J. Förtsch, 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, K. Prościński, 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, L. Silva, U. Singh, J. Smyrski, S. Spataro, S. Spies, M. Stefaniak, H. Ströbele, J. Stroth, C. Sturm, K. Sumara, O. Svoboda, M. Szala, P. Tlusty, M. Traxler, H. Tsertos, I. C. Udrea, O. Vazquez-Doce, V. Wagner, A. A. Weber, C. Wendisch, M. G. Wiebusch, J. Wirth, A. Władyszewska, H. P. Zbroszczyk, E. Zherebtsova, M. Zielinski, P. Zumbruch, C. Curceanu, K. Piscicchia, A. Scordo

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Abstract

Hadron production (\(\pi ^\pm \), proton, \(\Lambda \), \(K_S^0\), \(K^\pm \)) in \(\pi ^- + \textrm{C}\) and \(\pi ^- + \textrm{W}\) collisions is investigated at an incident pion beam momentum of \(1.7~\textrm{GeV}/c\). 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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原子核上先锋诱导反应中的强子产生和传播

研究了在入射先驱束动量为（1.7~textrm{GeV}/c）时，在（\pi ^- + \textrm{C}\ ）和（\pi ^- + \textrm{W}\ ）对撞中的强子产生（（\(\pi ^\pm \）、质子、（\(\Lambda \）、（\(K_S^0\）、（\(K^\pm \））。在SIS18/GSI用HADES测量的这组全面数据极大地扩展了先驱诱导反应中强子产生的现有世界数据，并为解释重离子碰撞常用的模型提供了新的参考。测量到的包容差分产生截面与最先进的传输模型（GiBUU、SMASH）计算结果进行了比较。还研究了奇异强子运动学相关的（半）排他性通道（(\pi ^- + A \rightarrow \Lambda + K_S^0 +X\），并与模型计算进行了比较。讨论了数据与当前版本的所考虑的输运模型之间的一致性和仍然存在的矛盾。

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来源期刊

The European Physical Journal A 物理-物理：核物理

CiteScore

5.00

自引率

18.50%

发文量

216

审稿时长

3-8 weeks

期刊介绍： Hadron Physics Hadron Structure Hadron Spectroscopy Hadronic and Electroweak Interactions of Hadrons Nonperturbative Approaches to QCD Phenomenological Approaches to Hadron Physics Nuclear and Quark Matter Heavy-Ion Collisions Phase Diagram of the Strong Interaction Hard Probes Quark-Gluon Plasma and Hadronic Matter Relativistic Transport and Hydrodynamics Compact Stars Nuclear Physics Nuclear Structure and Reactions Few-Body Systems Radioactive Beams Electroweak Interactions Nuclear Astrophysics Article Categories Letters (Open Access) Regular Articles New Tools and Techniques Reviews.