The ASY-EOS experiment at GSI: Constraining the symmetry energy at supra-saturation densities

P. Russotto, M. Chartier, M. D. Cozma, E. De Filippo, A. Le Fever, S. Gannon, I. GǍsparíc, M. Kǐs, S. Kupny, Y. Leifels, R. C. Lemmon, Q. Li, J. Lukasik, P. Marini, P. Pawlowski, W. Trautmann, L. Acosta, M. Adamczyk, A. Al-Ajlan, M. Al-GarawiS. Al-Homaidhi, F. Amorini, L. Auditore, T. Aumann, Y. Ayyad, V. Baran, Z. Basrak, R. Bassini, J. Benlliure, C. Boiano, M. Boisjoli, K. Boretzky, J. Brzychczyk, A. Budzanowski, G. Cardella, P. Cammarata, Z. Chajecki, A. Chbihi, M. Colonna, B. Czech, M. Di Toro, M. Famiano, V. Greco, L. Grassi, C. Guazzoni, P. Guazzoni, M. Heil, L. Heilborn, R. Introzzi, T. Isobe, K. Kezzar, A. Krasznahorkay, N. Kurz, E. La Guidara, G. Lanzalone, P. Lasko, I. Lombardo, W. G. Lynch, Z. Matthews, L. May, T. Minniti, M. Mostazo, A. Pagano, M. Papa, S. Pirrone, R. Pleskac, G. Politi, F. Porto, R. Reifarth, W. Reisdorf, F. Riccio, F. Rizzo, E. Rosato, D. Rossi, S. Santoro, H. Simon, I. Skwirczynska, Z. Sosin, L. Stuhl, A. Trifiro, M. Trimarchi, M. B. Tsang, G. Verde, M. Veselsky, M. Vigilante, A. Wieloch, P. Wigg, H. H. Wolter, P. Wu, S. Yennello, P. Zambon, L. Zetta, M. Zoric

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

The elliptic-flow ratio of neutrons with respect to protons or light complex particles in reactions of heavy ions at pre-relativistic energies has been proposed as an observable sensitive to the strength of the symmetry term of the nuclear equation of state at supra-saturation densities. In the ASY-EOS experiment at the GSI laboratory, flows of neutrons and light charged particles were measured for 197Au+197Au, 96Zr+96Zr and 96Ru+96Ru collisions at 400 MeV/nucleon with the Large Area Neutron Detector LAND as part of a setup with several additional detection systems used for the event characterization. Flow results obtained for the Au+Au system, in comparison with predictions of the UrQMD transport model, confirm the moderately soft to linear density dependence of the symmetry energy deduced from the earlier FOPI-LAND data.

Original languageEnglish
Title of host publicationIWM-EC 2014 - International Workshop on Multi Facets of EoS and Clustering
EditorsB. Borderie, A. Pagano, S. Pirrone, R. Bougault, G. Politi
PublisherEDP Sciences
ISBN (Electronic)9788874380916
DOIs
Publication statusPublished - Apr 24 2015
Event1st International Workshop on Multi Facets of EoS and Clustering, IWM-EC 2014 - Catania, Italy
Duration: May 6 2014May 9 2014

Publication series

NameEPJ Web of Conferences
Volume88
ISSN (Print)2101-6275
ISSN (Electronic)2100-014X

Other

Other1st International Workshop on Multi Facets of EoS and Clustering, IWM-EC 2014
CountryItaly
CityCatania
Period5/6/145/9/14

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Russotto, P., Chartier, M., Cozma, M. D., De Filippo, E., Le Fever, A., Gannon, S., GǍsparíc, I., Kǐs, M., Kupny, S., Leifels, Y., Lemmon, R. C., Li, Q., Lukasik, J., Marini, P., Pawlowski, P., Trautmann, W., Acosta, L., Adamczyk, M., Al-Ajlan, A., ... Zoric, M. (2015). The ASY-EOS experiment at GSI: Constraining the symmetry energy at supra-saturation densities. In B. Borderie, A. Pagano, S. Pirrone, R. Bougault, & G. Politi (Eds.), IWM-EC 2014 - International Workshop on Multi Facets of EoS and Clustering [00022] (EPJ Web of Conferences; Vol. 88). EDP Sciences. https://doi.org/10.1051/epjconf/20158800022