Sub-threshold production of Ks0 mesons and Λ hyperons in Au+Au collisions at sNN=2.4 GeV

Jörn Adamczewski-Musch, Oliver Werner Arnold, Claudia Behnke, Amel Belounnas, A. Belyaev, Jia-Chii Berger-Chen, Jacek Biernat, Alberto Blanco, Christoph Blume, Michael Böhmer, Paula Bordalo, S. Chernenko, Lukáš Chlad, Christina Anna Deveaux, J. Dreyer, A. Dybczak, Eliane Epple, Laura Fabbietti, Oleg Fateev, Peter Filip, Paulo Fonte, C. Franco, J. Friese, I. Fröhlich, Tetyana Galatyuk, J.A. Garzón, Roman Gernhäuser, Marina Golubeva, Robert Greifenhagen, Fedor Guber, Malgorzata Gumberidze, Szymon Harabasz, T. Heinz, T. Hennino, Stanislav Hlaváč, Claudia Höhne, R. Holzmann, Alexander P. Ierusalimov, Ivashkin Ivashkin, B. Kämpfer, Tatiana L. Karavicheva, Behruz Kardan, I. Koenig, W. Koenig, B.W. Kolb, Grzegorz Korcyl, G. Kornakov, R. Kotte, Andrej Kugler, Tobias Kunz, Alexander Kurepin, A. Kurilkin, P. Kurilkin, Vladimir P. Ladygin, Rafał Tomasz Lalik, Kirill Lapidus, Alexei Lebedev, L. Lopes, M. Lorenz, Tariq Mahmoud, L. Maier, Alessio Mangiarotti, Jochen Markert, Steffen Maurus, Volker Metag, J. Michel, D.M. Mihaylov, S. Morozov, Christian Müntz, Robert Helmut Münzer, L. Naumann, K. Nowakowski, Marek Palka, Y. Parpottas, Vladimir Pechenov, Olga Pechenova, Oleg Petukhov, Jerzy Pietraszko, Witold Przygoda, S. Ramos, Béatrice Ramstein, Andrey Reshetin, Pablo Rodriguez Ramos, Philippe Rosier, Adrian Rost, A. Sadovsky, Piotr Salabura, T. Scheib, Heidi Schuldes, E. Schwab, F. Scozzi, Florian Seck, Patrick Sellheim, Ilya Selyuzhenkov, Johannes Stephan Siebenson, L. Silva, Yuri G. Sobolev, Stefano Spataro, S. Spies, Herbert Ströbele, Joachim Stroth, Paweł Strzempek, C. Sturm, Ondřej Svoboda, M. Szala, Pavel Tlustý, Michael Traxler, Haralabos Tsertos, Evgeny A. Usenko, V. Wagner, Christian Wendisch, Michael Wiebusch, Joana Wirth, Y. Zanevsky, Peter W. Zumbruch, Yvonne Leifels

  • We present first data on sub-threshold production of Ks0 mesons and Λ hyperons in Au+Au collisions at sNN=2.4 GeV. We observe an universal 〈Apart〉 scaling of hadrons containing strangeness, independent of their corresponding production thresholds. Comparing the yields, their 〈Apart〉 scaling, and the shapes of the rapidity and the pt spectra to state-of-the-art transport model (UrQMD, HSD, IQMD) predictions, we find that none of them can simultaneously describe these observables with reasonable χ2 values.

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Author:Jörn Adamczewski-MuschORCiD, Oliver Werner Arnold, Claudia BehnkeORCiDGND, Amel Belounnas, A. Belyaev, Jia-Chii Berger-Chen, Jacek BiernatORCiD, Alberto BlancoORCiD, Christoph BlumeORCiDGND, Michael BöhmerORCiDGND, Paula BordaloORCiD, S. Chernenko, Lukáš ChladORCiD, Christina Anna DeveauxORCiDGND, J. Dreyer, A. Dybczak, Eliane EppleORCiD, Laura FabbiettiORCiDGND, Oleg Fateev, Peter FilipORCiD, Paulo FonteORCiDGND, C. Franco, J. Friese, I. Fröhlich, Tetyana GalatyukORCiDGND, J.A. Garzón, Roman GernhäuserORCiDGND, Marina Golubeva, Robert GreifenhagenORCiDGND, Fedor GuberORCiD, Malgorzata Gumberidze, Szymon HarabaszORCiD, T. Heinz, T. Hennino, Stanislav HlaváčORCiD, Claudia HöhneGND, R. Holzmann, Alexander P. Ierusalimov, Ivashkin IvashkinORCiD, B. Kämpfer, Tatiana L. KaravichevaORCiD, Behruz KardanORCiD, I. Koenig, W. Koenig, B.W. Kolb, Grzegorz KorcylORCiD, G. Kornakov, R. Kotte, Andrej KuglerORCiD, Tobias Kunz, Alexander KurepinORCiD, A. Kurilkin, P. Kurilkin, Vladimir P. Ladygin, Rafał Tomasz Lalik, Kirill LapidusORCiD, Alexei Lebedev, L. Lopes, M. Lorenz, Tariq MahmoudGND, L. Maier, Alessio MangiarottiORCiD, Jochen MarkertGND, Steffen Maurus, Volker MetagORCiDGND, J. Michel, D.M. Mihaylov, S. Morozov, Christian Müntz, Robert Helmut MünzerORCiDGND, L. Naumann, K. Nowakowski, Marek PalkaORCiD, Y. Parpottas, Vladimir Pechenov, Olga Pechenova, Oleg Petukhov, Jerzy Pietraszko, Witold PrzygodaORCiD, S. Ramos, Béatrice RamsteinORCiD, Andrey ReshetinORCiD, Pablo Rodriguez RamosORCiD, Philippe RosierORCiD, Adrian RostGND, A. Sadovsky, Piotr SalaburaORCiD, T. Scheib, Heidi SchuldesGND, E. Schwab, F. Scozzi, Florian SeckORCiDGND, Patrick SellheimGND, Ilya SelyuzhenkovORCiD, Johannes Stephan SiebensonGND, L. Silva, Yuri G. SobolevORCiDGND, Stefano SpataroORCiD, S. SpiesORCiDGND, Herbert Ströbele, Joachim StrothORCiD, Paweł Strzempek, C. Sturm, Ondřej Svoboda, M. Szala, Pavel Tlustý, Michael TraxlerORCiD, Haralabos TsertosORCiD, Evgeny A. Usenko, V. Wagner, Christian WendischGND, Michael WiebuschORCiDGND, Joana WirthORCiD, Y. Zanevsky, Peter W. ZumbruchGND, Yvonne LeifelsORCiDGND
URN:urn:nbn:de:hebis:30:3-699997
DOI:https://doi.org/10.1016/j.physletb.2019.03.065
ISSN:0370-2693
ISSN:1873-2445
Parent Title (English):Physics letters B
Publisher:Elsevier
Place of publication:Amsterdam
Document Type:Article
Language:English
Date of Publication (online):2019/06/10
Date of first Publication:2019/06/10
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Creating Corporation:HADES Collaboration
Release Date:2022/09/26
Volume:793
Page Number:7
First Page:457
Last Page:463
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung 4.0