Author/Authors :
Njema Frazier، نويسنده , , B.Alex Brown، نويسنده , , D.J. Millener، نويسنده , , Vladimir Zelevinsky، نويسنده ,
Abstract :
We study the dependence of the total Gamow-Teller strength in an N = Z nucleus (24Mg) as a function of excitation energy within a complete 0ħω shell-model space (the 0d1s shell). We find an essentially monotonic increase in strength with increasing excitation energy. We are able to relate this behavior to a decrease in spatial symmetry (increase in SU(4) symmetry) as a function of excitation energy.
