PROBING THE NUCLEAR MATTER AT HIGH BARYON AND ISOSPIN DENSITY WITH HEAVY ION COLLISIONS
Di Toro, M; Colonna, M; Ferini, G; Giordano, V; Greco, V; Plumari, S; Rizzo, J; Liu, B; Baran, V; Gaitanos, T; Prassa, V; Wolter, HH; 刘波(理)
刊名INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS
2010
卷号19期号:5-6页码:856-868
关键词High density symmetry energy symmetry potentials neutron-proton effective mass splitting isospin flows particle production deconfinement mixed hadron-quark phase
学科分类Physics
DOI10.1142/S021830131001531X
通讯作者[Di Toro, M. ; Colonna, M. ; Ferini, G. ; Giordano, V. ; Greco, V. ; Plumari, S. ; Rizzo, J.] Ist Nazl Fis Nucl, Lab Nazl Sud, I-95123 Catania, Italy ; [Di Toro, M. ; Colonna, M. ; Ferini, G. ; Giordano, V. ; Greco, V. ; Plumari, S. ; Rizzo, J.] Univ Catania, Phys Astron Dept, I-95124 Catania, Italy ; [Liu, B.] Chinese Acad Sci, IHEP, Beijing, Peoples R China ; [Liu, B.] Natl Lab Heavy Ion Accelerator, Lanzhou, Peoples R China ; [Baran, V.] Univ Bucharest, Dept Theoret Phys, Bucharest, Romania ; [Baran, V.] NIPNE HH, Bucharest, Romania ; [Gaitanos, T.] Univ Giessen, Inst Theoret Phys, D-35312 Giessen, Germany ; [Prassa, V.] Aristotle Univ Thessaloniki, Dept Theoret Phys, GR-54124 Thessaloniki, Greece ; [Wolter, H. H.] Univ Munich, Dept Phys, D-85748 Garching, Germany
文章类型Article; Proceedings Paper
英文摘要Heavy Ion Collisions (HIC) represent a unique tool to probe the in-medium nuclear interaction in regions away from saturation. High Energy Collisions are studied in order to access nuclear matter properties at high density. Particular attention is devoted to the selection of observables sensitive to the poorly known symmetry energy at high baryon density, of large fundamental interest, even for the astrophysics implications. Using fully consistent covariant transport simulations built on effective field theories we are testing isospin observables ranging from nucleon/cluster emissions, collective flows (in particular the elliptic, squeeze out, part) and meson production. The possibility to shed light on the controversial neutron/proton effective mass splitting in asymmetric matter is also stressed. The "symmetry" repulsion at high baryon density will also lead to an "earlier" hadron-deconfinement transition in n-rich matter. The phase transition of hadronic to quark matter at high baryon and isospin density is analyzed. Nonlinear relativistic mean field models are used to describe hadronic matter, and the MIT bag model is adopted for quark matter. The boundaries of the mixed phase and the related critical points for symmetric and asymmetric matter are obtained. Isospin effects appear to be rather significant. The binodal transition line of the (T, rho(B)) diagram is lowered in a region accessible to heavy ion collisions in the energy range of the new planned FAIR/NICA facilities. Some observable effects of the mixed phase are suggested, in particular a neutron distillation mechanism. Theoretically a very important problem appears to be the suitable treatment of the isovector part of the interaction in effective QCD lagrangian approaches.
类目[WOS]Physics, Nuclear ; Physics, Particles & Fields
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000278952500006
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238618
专题中国科学院高能物理研究所_理论物理室_期刊论文
作者单位中国科学院高能物理研究所
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Di Toro, M,Colonna, M,Ferini, G,et al. PROBING THE NUCLEAR MATTER AT HIGH BARYON AND ISOSPIN DENSITY WITH HEAVY ION COLLISIONS[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS,2010,19(5-6):856-868.
APA Di Toro, M.,Colonna, M.,Ferini, G.,Giordano, V.,Greco, V.,...&刘波.(2010).PROBING THE NUCLEAR MATTER AT HIGH BARYON AND ISOSPIN DENSITY WITH HEAVY ION COLLISIONS.INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS,19(5-6),856-868.
MLA Di Toro, M,et al."PROBING THE NUCLEAR MATTER AT HIGH BARYON AND ISOSPIN DENSITY WITH HEAVY ION COLLISIONS".INTERNATIONAL JOURNAL OF MODERN PHYSICS E-NUCLEAR PHYSICS 19.5-6(2010):856-868.
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