NUSTAR, Super-FRS, Fixed Target Physics and In-ring Experiments
NUSTAR, Super-FRS, Fixed Target Physics and In-ring Experiments
NUSTAR, Super-FRS, Fixed Target Physics and In-ring Experiments
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ΣB PDR (E1)/ΣB GDR (E1) [%]Pygmy dipole strength, Neutron Skin,<strong>and</strong> the Equation of State of neutron-rich MatterRelation between dipole strength <strong>and</strong> n-skin thicknessn-skin thickness derived from dipole strengthRRPA (DD-ME2,a 4 =30-38 MeV)132Sniv GDRPygmyneutron skin thickness [fm]"...,the pygmy dipole resonance may place importantconstraints on the neutron skin of heavy nuclei <strong>and</strong>, as aresult, on the equation of state of neutron-rich matter."J. Piekarewicz, PRC 73 (2006) 044325Constraints on EoS of neutron-rich matterderived from dipole strength of n-rich Snisotopessymmetry energy a 4 = 32.0 ± 1.8 MeVpressure p o = 2.3 ± 0.8 MeV/fm 3H. Simon ● Crossing bounds: From exotic nucl. sys. to FAIR 50/90
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