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Structure Study of Unstable Nuclei

Hiroyuki Sagawa,
Professor, Center for Mathematical Sciences Research and Studies

We are studying a new kind of excitation ``soft multipole excitation" in halo nuclei by Hartree-Fock+ random phase approximation. It is shown that the soft excitations are enhanced their strength by threshold effect inherent in halo nuclei.

We are also studying the beta decay of neutron and proton drip line nuclei and have found that they decay to the giant Gamow-Teller state due to large difference between proton and neutron Fermi energies.
Fri Feb 10 09:19:38 JST 1995