Charged-pion production in $\mathbf {Au+Au}$ collisions at $\sqrt{\mathbf {s}_{\mathbf {NN}}} = 2.4~{\mathbf {GeV}}$

Adamczewski-Musch, J.; Lebedev, A.; Naumann, L.; Fateev, O.; Chlad, L.; Koenig, I.; Rosier, P.; Guber, F.; Höhne, C.; Kardan, B.; Kurilkin, P.; Tsertos, H.; Szala, M.; Deveaux, C.; Sadovsky, A.; Fabbietti, L.; Blanco, A.; Fröhlich, I.; Sellheim, P.; Traxler, M.; Malige, A.; Pechenov, V.; Zanevsky, Y.; Arnold, O.; Stroth, J.; Pechenova, O.; Silva, L.; Parpottas, Y.; Greifenhagen, R.; Münzer, R.; Petukhov, O.; Franco, C.; Gläßel, S.; Schuldes, H.; Ramstein, B.; Gumberidze, M.; Reshetin, A.; Ramos, S.; Belounnas, A.; Metag, V.; Behnke, C.; Smyrski, J.; Spies, S.; Rustamov, A.; Seck, F.; Wagner, V.; Müntz, C.; Ierusalimov, A.; Pietraszko, J.; Przygoda, W.; Korcyl, G.; Galatyuk, T.; Usenko, E.; Gernhäuser, R.; Ciepał, I.; Sturm, C.; Chernenko, S.; Salabura, P.; Morozov, S.; Markert, J.; Kornakov, G.; Maier, L.; Kolb, B. W.; Kurepin, A.; Scozzi, F.; HADES collaboration; Mihaylov, D. M.; Lapidus, K.; Siebenson, J.; Pysz, K.; Rost, Adria; Schwab, E.; Rodriguez-Ramos, P.; Holzmann, R.; Friese, J.; Wiebusch, Michael; Matulewicz, T.; Spataro, S.; Kornas, F.; Piasecki, K.; Tlusty, P.; Fonte, P.; Hlavac, S.; Harabasz, S.; Böhmer, M.; Garzón, J. A.; Dreyer, J.; Wendisch, C.; Lalik, R.; Berger-Chen, J. C.; Hennino, T.; Blume, C.; Mahmoud, T.; Filip, P.; Lopes, L.; Ivashkin, A.; Wirth, J.; Kämpfer, B.; Koenig, W.; Heinz, T.; Scheib, T.; Maurus, S.; Kunz, T.; Nowakowski, K.; Ladygin, V.; Epple, E.; Michel, J.; Mangiarotti, A.; Kurilkin, A.; Kotte, R.; Singh, U.; Svoboda, O.; Kohls, M.; Ströbele, H.; Selyuzhenkov, I.; Lorenz, M.; Sobolev, Yu. G.; Rathod, N.; Belyaev, A.; Kugler, A.; Karavicheva, T.; Bordalo, P.; Zumbruch, P.; Golubeva, M.; Wójcik, D.

doi:10.1140/epja/s10050-020-00237-2

Journal Article

GSI-2021-00208

Charged-pion production in $\mathbf {Au+Au}$ collisions at $\sqrt{\mathbf {s}_{\mathbf {NN}}} = 2.4~{\mathbf {GeV}}$

Adamczewski-Musch, J.GSI* ; Arnold, O. ; Behnke, C. ; Belounnas, A. ; Belyaev, A. ; Berger-Chen, J. C. ; Blanco, A. ; Blume, C. ; Böhmer, M. ; Bordalo, P. ; Chernenko, S. ; Chlad, L. ; Ciepał, I. ; Deveaux, C. ; Dreyer, J. ; Epple, E. ; Fabbietti, L. ; Fateev, O. ; Filip, P. ; Fonte, P. ; Franco, C. ; Friese, J. ; Fröhlich, I. ; Galatyuk, T.GSI* ; Garzón, J. A. ; Gernhäuser, R. ; Gläßel, S. ; Golubeva, M. ; Greifenhagen, R. ; Guber, F. ; Gumberidze, M.GSI* ; Harabasz, S. ; Heinz, T.GSI* ; Hennino, T. ; Hlavac, S. ; Höhne, C.GSI* ; Holzmann, R.GSI* ; Ierusalimov, A. ; Ivashkin, A. ; Kämpfer, B. ; Karavicheva, T. ; Kardan, B. ; Koenig, I. ; Koenig, W. ; Kohls, M. ; Kolb, B. W. ; Korcyl, G. ; Kornakov, G. ; Kornas, F. ; Kotte, R. ; 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. ; Malige, A. ; Mangiarotti, A. ; Markert, J.GSI* ; Matulewicz, T. ; Maurus, S. ; Metag, V. ; Michel, J. ; Mihaylov, D. M. ; Morozov, S. ; Müntz, C. ; Münzer, R. ; Naumann, L. ; Nowakowski, K. ; Parpottas, Y. ; Pechenov, V.GSI* ; Pechenova, O.GSI* ; Petukhov, O. ; Piasecki, K. ; Pietraszko, J.GSI* ; Przygoda, W. ; Pysz, K. ; Ramos, S. ; Ramstein, B. ; Rathod, N. ; Reshetin, A. ; Rodriguez-Ramos, P. ; Rosier, P. ; Rost, A. ; Rustamov, A.GSI* ; Sadovsky, A. ; Salabura, P. ; Scheib, T. ; Schuldes, H. ; Schwab, E.GSI* ; Scozzi, F. ; Seck, F. ; Sellheim, P. ; Selyuzhenkov, I.GSI* ; Siebenson, J. ; Silva, L. ; Singh, U. ; Smyrski, J. ; Sobolev, Y. G. ; Spataro, S. ; Spies, S. ; Ströbele, H. ; Stroth, J.GSI* ; Sturm, C.GSI* ; Svoboda, O. ; Szala, M. ; Tlusty, P. ; Traxler, M.GSI* ; Tsertos, H. ; Usenko, E. ; Wagner, V. ; Wendisch, C.GSI* ; Wiebusch, M.GSI* ; Wirth, J. ; Wójcik, D. ; Zanevsky, Y. ; Zumbruch, P.GSI* ; HADES collaboration (Collaboration author)GSI*

2020
Springer Heidelberg

The European physical journal / A 56(10), 259 (2020) [10.1140/epja/s10050-020-00237-2]

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Please use a persistent id in citations: doi:10.1140/epja/s10050-020-00237-2 doi:10.15120/GSI-2021-00208

Report No.: arXiv:2005.08774

Abstract: We present high-statistic data on charged-pion emission from Au + Au collisions at $\sqrt{s_{\mathrm{NN}}} = 2.4~\hbox {GeV}$ (corresponding to $E_{beam} = 1.23~\hbox {A GeV}$) in four centrality classes in the range 0–40% of the most central collisions. The data are analyzed as a function of transverse momentum, transverse mass, rapidity, and polar angle. Pion multiplicity per participating nucleon decreases moderately with increasing centrality. The polar angular distributions are found to be non-isotropic even for the most central event class. Our results on pion multiplicity fit well into the general trend of the available world data, but undershoot by $2.5~\sigma $ data from the FOPI experiment measured at slightly lower beam energy. We compare our data to state-of-the-art transport model calculations (PHSD, IQMD, PHQMD, GiBUU and SMASH) and find substantial differences between the measurement and the results of these calculations.

Keyword(s): pi: multiplicity ; pi: production ; mass: transverse ; beam: energy ; angular distribution ; transverse momentum ; impact parameter ; transport theory ; HADES ; rapidity ; 2.4 GeV-cms/nucleon

Classification:

ddc:530

Note: 17 pages, 19 figures, 4 tables "This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/."

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Research Program(s):

612 - Cosmic Matter in the Laboratory (POF3-612) (POF3-612)

Experiment(s):

S407: Investigation of baryon rich dense nuclear matter by means of rare probes with HADES (POF3-612; HAD)

Appears in the scientific report 2020

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Record created 2021-01-25, last modified 2023-03-17

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