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Phys. Rev. C 61, 064314 (2000) [7 pages]

Nonyrast high-spin states in N=Z 44Ti

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C. D. O’Leary1,2, M. A. Bentley2, B. A. Brown3, D. E. Appelbe1 *, R. A. Bark4 †, D. M. Cullen1, S. Ertürk1 ‡, A. Maj4,5, and A. C. Merchant6
1Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom
2School of Sciences, Staffordshire University, College Road, Stoke-on-Trent ST4 2DE, United Kingdom
3Department of Physics and Astronomy and the National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824
4Tandem Accelerator Laboratory, Niels Bohr Institute, Risø, DK-4000 Roskilde, Denmark
5Niewodniczanski Institute of Nuclear Physics, 31–342 Krakow, ul. Radzikowskiego 152, Poland
6Theoretical Physics, 1 Keble Road, Oxford OX1 3NP, United Kingdom

Received 24 January 2000; published 18 May 2000

High-spin states have been investigated in the N=Z=22 nucleus 44Ti. A newly observed set of states with Jπ=6+, 8+, 10+, and 12+ are assigned to be members of a band built upon an excited 0+ state. This band displays rotational-like level spacings, with a near-linear J(J+1) dependence. A third set of Jπ=8+, 10+, and 12+ states have also been tentatively assigned and a negative-parity intruder band has been extended to Jπ=13-. Comparisons with df-shell model calculations show a good agreement for both energy levels and branching ratios. These calculations indicate that the excited 0+ band is dominated by a mixture of 8p–4h and 6p–2h configurations relative to 40Ca.


©2000 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevC.61.064314
DOI: 10.1103/PhysRevC.61.064314
PACS: 23.20.Lv, 27.40.+z, 21.60.Cs, 21.60.Gx, 23.20.Lv, 27.40.+z, 21.60.Cs, 21.60.Gx

* Present address: Department of Physics and Astronomy, McMaster University, Hamilton, Canada L8S 4M1.
† Present address: Department of Nuclear Physics, Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT 0200, Australia.
‡ Present address: Nigde Universitesi, Fen-Edebiyat Fakültesi, Fizik Bölümü, Nigde, Turkey.

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