M. S. Fayache, L. Zamick
Published 1994-01-12Version 1
We consider negative-parity excitations in $^4\mbox{He}$, $J^{\pi}$=$0^-$ and $1^-$ with isospin $T$=$0$ and $T$=$1$. We show tha t, in contrast to one-particle one-hole results, in a shell model diagonalization none of the above collapses to zero energy as the strength of the tensor interaction is increased.
Comments: 7 pages, latex file, 1 figure (available upon request), RU9407
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