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Phys. Rev. C 68, 044311 (2003) [8 pages]

β-decay properties of 55,56Ti

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P. F. Mantica1,2, B. A. Brown1,3, A. D. Davies1,3, T. Glasmacher1,3, D. E. Groh1,2, M. Horoi4, S. N. Liddick1,2, D. J. Morrissey1,2, A. C. Morton1, W. F. Mueller1, H. Schatz1,3, A. Stolz1, and S. L. Tabor5
1National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA
2Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, USA
3Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
4Department of Physics, Central Michigan University, Mount Pleasant, Michigan 48859, USA
5Department of Physics, Florida State University, Tallahassee, Florida 32306, USA

Received 24 June 2003; published 16 October 2003

β decay of the neutron-rich nuclides 55,56Ti has been used to populate low-energy levels of 55,56V, respectively. A half-life of 1.3±0.1 s was deduced for 55Ti, significantly longer than that determined from previous measurements. The β decay of 56Ti is characterized by a short half-life of 200±5 ms, with nearly all of the decay directly populating the 1+ ground state of 56V. The role of the spin-flip process νf5∕2→πf7∕2 in defining the β-decay properties of nuclei near N=32, including 55,56Ti, is discussed.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.68.044311
DOI:
10.1103/PhysRevC.68.044311
PACS:
23.40.−s, 23.20.Lv, 21.60.Cs, 27.40.+z
 
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