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

The ASY-EOS experiment at GSI: investigating the symmetry energy at supra-saturation densities
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DOI：
10.1088/1742-6596/420/1/012092
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发表时间：
2012-09
期刊：
Journal of Physics: Conference Series
影响因子：
--
通讯作者：
P. Russotto;M. Chartier;E. Filippo;A. Fèvre;S. Gannon;I. Gašparić;M. Kiš;S. Kupny;Y. Leifels;R. Lemmon;J. Łukasik;P. Marini;A. Pagano;P. Pawlowski;S. Santoro;W. Trautmann;M. Veselský;L. Acosta;M. Adamczyk;A. Al-Ajlan;M. Al-Garawi;S. Al-Homaidhi;F. Amorini;L. Auditore;T. Aumann;Y. Ayyad;V. Baran;Z. Basrak;J. Benlliure;C. Boiano;M. Boisjoli;K. Boretzky;J. Brzychczyk;A. Budzanowski;G. Cardella;P. Cammarata;Z. Chajecki;A. Chbihi;M. Colonna;D. Cozma;B. Czech;M. Toro;M. Famiano;E. Geraci;V. Greco;L. Grassi;C. Guazzoni;P. Guazzoni;M. Heil;L. Heilborn;R. Introzzi;T. Isobe;K. Kezzar;A. Krasznahorkay;N. Kurz;E. Guidara;G. Lanzalone;P. Lasko;Q. Li;I. Lombardo;W. G. Lynch;Z. Matthews;L. May;T. Minniti;M. Mostazo;M. Papa;S. Pirrone;G. Politi;F. Porto;R. Reifarth;W. Reisdorf;F. Riccio;F. Rizzo;E. Rosato;D. Rossi;H. Simon;I. Skwirczýnska;Z. Sosin;L. Stuhl;A. Trifir'o;M. Trimarchi;M. Tsang;G. Verde;M. Vigilante;A. Wieloch;P. Wigg;H. Wolter;P. Wu;S. Yennello;P. Zambon;L. Zetta;M. Zorić
P. Russotto;M. Chartier;E. Filippo;A. Fèvre;S. Gannon;I. Gašparić;M. Kiš;S. Kupny;Y. Leifels;R. Lemmon;J. Łukasik;P. Marini;A. Pagano;P. Pawlowski;S. Santoro;W. Trautmann;M. Veselský;L. Acosta;M. Adamczyk;A. Al-Ajlan;M. Al-Garawi;S. Al-Homaidhi;F. Amorini;L. Auditore;T. Aumann;Y. Ayyad;V. Baran;Z. Basrak;J. Benlliure;C. Boiano;M. Boisjoli;K. Boretzky;J. Brzychczyk;A. Budzanowski;G. Cardella;P. Cammarata;Z. Chajecki;A. Chbihi;M. Colonna;D. Cozma;B. Czech;M. Toro;M. Famiano;E. Geraci;V. Greco;L. Grassi;C. Guazzoni;P. Guazzoni;M. Heil;L. Heilborn;R. Introzzi;T. Isobe;K. Kezzar;A. Krasznahorkay;N. Kurz;E. Guidara;G. Lanzalone;P. Lasko;Q. Li;I. Lombardo;W. G. Lynch;Z. Matthews;L. May;T. Minniti;M. Mostazo;M. Papa;S. Pirrone;G. Politi;F. Porto;R. Reifarth;W. Reisdorf;F. Riccio;F. Rizzo;E. Rosato;D. Rossi;H. Simon;I. Skwirczýnska;Z. Sosin;L. Stuhl;A. Trifir'o;M. Trimarchi;M. Tsang;G. Verde;M. Vigilante;A. Wieloch;P. Wigg;H. Wolter;P. Wu;S. Yennello;P. Zambon;L. Zetta;M. Zorić
中科院分区：
其他
文献类型：
--
作者：
P. Russotto;M. Chartier;E. Filippo;A. Fèvre;S. Gannon;I. Gašparić;M. Kiš;S. Kupny;Y. Leifels;R. Lemmon;J. Łukasik;P. Marini;A. Pagano;P. Pawlowski;S. Santoro;W. Trautmann;M. Veselský;L. Acosta;M. Adamczyk;A. Al-Ajlan;M. Al-Garawi;S. Al-Homaidhi;F. Amorini;L. Auditore;T. Aumann;Y. Ayyad;V. Baran;Z. Basrak;J. Benlliure;C. Boiano;M. Boisjoli;K. Boretzky;J. Brzychczyk;A. Budzanowski;G. Cardella;P. Cammarata;Z. Chajecki;A. Chbihi;M. Colonna;D. Cozma;B. Czech;M. Toro;M. Famiano;E. Geraci;V. Greco;L. Grassi;C. Guazzoni;P. Guazzoni;M. Heil;L. Heilborn;R. Introzzi;T. Isobe;K. Kezzar;A. Krasznahorkay;N. Kurz;E. Guidara;G. Lanzalone;P. Lasko;Q. Li;I. Lombardo;W. G. Lynch;Z. Matthews;L. May;T. Minniti;M. Mostazo;M. Papa;S. Pirrone;G. Politi;F. Porto;R. Reifarth;W. Reisdorf;F. Riccio;F. Rizzo;E. Rosato;D. Rossi;H. Simon;I. Skwirczýnska;Z. Sosin;L. Stuhl;A. Trifir'o;M. Trimarchi;M. Tsang;G. Verde;M. Vigilante;A. Wieloch;P. Wigg;H. Wolter;P. Wu;S. Yennello;P. Zambon;L. Zetta;M. Zorić

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中能富中子重离子反应中的中子与质子的椭圆流比被认为是超饱和密度核状态方程中对对称项强度敏感的一个观测量。从现有的197 Au +197 Au碰撞在400 MeV/核子的FOPI/LAND数据中获得的最新结果与UrQMD模型相比，允许的EOS的对称项的第一次估计，但遭受相当大的统计不确定性。为了获得改进的Au+Au碰撞数据集，并将研究扩展到其他系统，ASY-EOS合作于2011年5月在GSI实验室进行了一项新的实验。
The elliptic-flow ratio of neutrons with respect to protons in reactions of neutron rich heavy-ions systems at intermediate energies has been proposed as an observable sensitive to the strength of the symmetry term in the nuclear Equation Of State (EOS) at supra-saturation densities. The recent results obtained from the existing FOPI/LAND data for 197Au+197Au collisions at 400 MeV/nucleon in comparison with the UrQMD model allowed a first estimate of the symmetry term of the EOS but suffer from a considerable statistical uncertainty. In order to obtain an improved data set for Au+Au collisions and to extend the study to other systems, a new experiment was carried out at the GSI laboratory by the ASY-EOS collaboration in May 2011.