Study of neutron-rich nuclei using deep-inelastic reactions
I Y LeeLawrence Berkeley National Laboratory, Berkeley, California 94720S. J. AsztalosLawrence Berkeley National Laboratory, Berkeley, California 94720M. A. DeleplanqueLawrence Berkeley National Laboratory, Berkeley, California 94720B. CederwallLawrence Berkeley National Laboratory, Berkeley, California 94720R. M. DiamondLawrence Berkeley National Laboratory, Berkeley, California 94720P. FallonLawrence Berkeley National Laboratory, Berkeley, California 94720A. O. MacchiavelliLawrence Berkeley National Laboratory, Berkeley, California 94720L. PhairLawrence Berkeley National Laboratory, Berkeley, California 94720F. S. StephensLawrence Berkeley National Laboratory, Berkeley, California 94720G. J. WozniakLawrence Berkeley National Laboratory, Berkeley, California 94720S. FrauendorfLawrence Berkeley National Laboratory, Berkeley, California 94720J. A. BeckerLawrence Berkeley National Laboratory, Berkeley, California 94720E. A. HenryLawrence Berkeley National Laboratory, Berkeley, California 94720P. F. HuaLawrence Berkeley National Laboratory, Berkeley, California 94720D. G. SarantitesLawrence Berkeley National Laboratory, Berkeley, California 94720J. X. SaladinLawrence Berkeley National Laboratory, Berkeley, California 94720C.-H. YuLawrence Berkeley National Laboratory, Berkeley, California 94720
1997en
ABI
Аннотация
We have used the ${}^{48}{\mathrm{C}\mathrm{a}+}^{176}\mathrm{Yb}$ reaction to study the population of high-spin states in neutron-rich nuclei by deep-inelastic reactions. Using Gammasphere, we observed gamma transitions from nuclei several neutrons richer than the target. Yrast states with spin up to 20 were populated in this reaction. High-spin states in ${}^{175,177,178}\mathrm{Yb}$ were observed. In this region of reduced pairing, a reference based on experimental data was used to derive experimental Routhians. Systematics of experimental Routhians in neutron-rich Yb nuclei compare well with cranked shell-model calculations.
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