Isospin splitting of the giant resonance. I. Isodoublets
Physical Review C1975Vol. 11(6), pp. 2073–2081
Abstract
We study the isospin splitting of the giant resonance of $T=\frac{1}{2}$ nuclei with sum rules. The particular isospin geometry involved in this case permits a number of simplifications in the isospin sum rules and several largely model independent relations are obtained and discussed. It turns out that for several light isodoublets the "symmetry" energy $U$ tends to be smaller that $60(T+1){A}^{\ensuremath{-}1}$ MeV.NUCLEAR STRUCTURE $T=\frac{1}{2}$ nuclei; calculated isospin splitting of $E1$ resonance with sum rules, model independent results discussed.
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