Probing the symmetry energy from the nuclear isoscaling

Details Probing the symmetry energy from the nuclear isoscaling Probing the symmetry energy from the nuclear isoscaling

2008-04-08

arxiv.org/abs/0804.1352v1

Phys.Rev.C78:014605,2008

Physics

Nuclear Physics

Nuclear Theory

7 pages, 4 figures

Scientific paper

10.1103/PhysRevC.78.014605

Using different parameterizations of the nuclear mass formula, we study the sensitivity of the isoscaling parameters to the mass formula employed in grand-canonical calculations. Previous works on isoscaling have suggested that the symmetry energy implied in such calculations is anomalously smaller than that suggested by fits to nuclear masses. We show that surface corrections to the symmetry energy naturally broadens the isotopic distribution thus allowing for values of the symmetry energy which more closely match those obtained from nuclear masses.

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