Abstract
The level structures of V-55 and Ti-55, the two nuclei with a single nucleon outside the semi-magic Ti-54(22)32 core, have been investigated in order to provide new tests of full pf-shell calculations with the GXPFIA interaction. The addition of a proton does not appear to affect the N = 32 shell Gap significantly. although comparisons between calculations and experiment at high spins (I-pi >= 21/2(-)) indicate the need for a larger model space for an accurate description of the data in this regime. The energy separation between the vp(1/2) and vf(5/2) orbitals in neutron-rich Ti isotopes is not large enough to result in an N = 34 shell gap. However, comparisons between the Ti-55 data and the calculations argue for the presence of a sizable N = 34 gap in Ca-54. (C) 2007 Elsevier B.V. All rights reserved.
Original language | English |
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Pages (from-to) | 135-140 |
Number of pages | 6 |
Journal | Physics Letters B |
Volume | 650 |
Issue number | 2-3 |
DOIs | |
Publication status | Published - 28 Jun 2007 |
Keywords
- COINCIDENCE DATA SETS
- NEUTRON-RICH NUCLEI
- CR ISOTOPES
- FUSION
- N=32