Structure Of Ti-52,Ti-54 And Shell Closures In Neutron-Rich Nuclei Above Ca-48

Rvf Janssens, B Fornal,Pf Mantica,Ba Brown, R Broda, P Bhattacharyya,Mp Carpenter, M Cinausero,Pj Daly, Ad Davies, T Glasmacher,Zw Grabowski,De Groh, M Honma,Fg Kondev, W Krolas,T Lauritsen,Sn Liddick, S Lunardi, N Marginean, T Mizusaki,Dj Morrissey,Ac Morton,Wf Mueller, T Otsuka, T Pawlat,D Seweryniak, H Schatz,A Stolz,Sl Tabor,Ca Ur, G Viesti, I Wiedenhover,J Wrzesinski

PHYSICS LETTERS B（2002）

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摘要

The level structure of Ti-54(22)32 has been explored for the first time by combining P-decay measurements from fragmentation 22 products with prompt gamma-ray spectroscopy following deep inelastic reactions. The latter technique was also instrumental in tracing Ti-52(30) to higher spin. The data provide new tests of effective interactions for full pf-shell calculations in neutron-rich nuclei above Ca-48. The data indicate the presence of a significant subshell gap at N = 32 and comparisons between theory and experiment suggest an additional shell closure at N = 34 in Ca and Ti isotopes.. (C) 2002 Elsevier Science B.V. All rights reserved.

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