Peter Egelhof GSI Darmstadt, Germany 8th. International ... - Bulgaria

Introduction: Phenomena and Burning QuestionsSensitivity of the Skin Thickness on Parameters of the EOS of Nuclear Matter:2 4E(ρ , α)= E(ρ,0) + S ( ρ)α + Ο(α ) , α =21 ∂ E(ρ,α)S2 ( ρ)= | =22 ∂αα = 0p0∆K0= a4+ ( ρ − ρ0)+ ( ρ − ρ0)22ρ 18ρ0+ ...example: Sn isotopesat the nuclear surface:almost pure neutron matter probe isospin dependence ofeffective in-medium interactions sensitivity to the symmetry energy(parameter a 4of the EOS)02N − ZA2 (S 2= Symmetry Energy)Skin thickness R n- R ptheoretical prediction: P.-G. Reinhard