GAMOW-TELLER BETA DECAY IN HEAVY SPHERICAL NUCLEI AND UNLIKE PARTICLE-HOLE RANDOM PHASE APPROXIMATION.
CARNEGIE INST OF TECH PITTSBURGH PA DEPT OF PHYSICS
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Allowed Gamow-Teller beta decay rates are calculated for medium and heavy spherical nuclei with the use of the pairing plus quadrupole model with additional n-p forces. A schematic force of the form chi tau. tau sigma. sigma is found to be particularly important. A random phase approximation treatment of this force is developed and shown to be correct in the weak and strong coupling limits. The relation between the retarded beta decay rates and a supermultiplet structure is discussed. Author
- Radioactivity, Radioactive Wastes and Fission Products
- Nuclear Physics and Elementary Particle Physics