Structure of {sup 52,54}Ti and shell closures in neutron-rich nuclei above {sup 48}Ca

The level structure of {sup 54}{sub 22}Ti{sub 32} has been explored for the first time by combining {beta}-decay measurements from fragmentation products with prompt {gamma}-ray spectroscopy following deep inelastic reactions. The latter technique was also instrumental in tracing {sup 52}Ti{sub 30}...

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Published inPhysics letters. B Vol. 546; no. 1-2 ; Oct. 17, 2002
Main Authors Janssens, R. V. F., Fornal, B., Mantica, P. F., Brown, B. A., Bhattacharyya, P., Carpenter, M. P., Kondev, F. G., Lauritsen, T., Seweryniak, D., Wiedenhoever, I., Physics, Niewodniczanski Inst. of Nuclear Physics, Michigan Stat Univ, Purdue Univ
Format Journal Article
LanguageEnglish
Published United States 17.10.2002
Subjects
BETA DECAY
CALCIUM 48 REACTIONS
CLOSURES
NEUTRON-RICH ISOTOPES
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEAR STRUCTURE
NUCLEI
SHELL MODELS
SPIN
TITANIUM 52
TITANIUM 54
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Summary:The level structure of {sup 54}{sub 22}Ti{sub 32} has been explored for the first time by combining {beta}-decay measurements from fragmentation products with prompt {gamma}-ray spectroscopy following deep inelastic reactions. The latter technique was also instrumental in tracing {sup 52}Ti{sub 30} to higher spin. The data provide new tests of effective interactions for full pf-shell calculations in neutron-rich nuclei above {sup 48}Ca. 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.
Bibliography:FOR
USDOE Office of Science (SC)
National Science Foundation (NSF)
DE-AC02-06CH11357
ANL/PHY/JA-43847
ISSN:0370-2693
1873-2445
DOI:10.1016/S0370-2693(02)02682-5