Abstract.
Intruder rotational bands in 45 Sc and 45 Ti have been investigated up to the maximum aligned angular momentum by means of EUROBALL IV and the Recoil Filter Detector (RFD). The use of the RFD allowed for a reduction of the \(\gamma\)-line Doppler broadening and, moreover, for a determination of very short level lifetimes. In the studied nuclei, the estimated deformation shows a gradual disappearance of the collectivity at the highest available spins.
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Received: 19 November 2002, Revised: 14 March 2003, Published online: 2 March 2004
PACS:
21.10.Tg Lifetimes - 21.60.Cs Shell model - 27.40. + z \(39 \leq A \leq 58\)
P. Bednarczyk: Present address: GSI, Darmstadt, Germany
M.B. Smith: Present address: TRIUMF, Vancouver, Canada
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Bednarczyk, P., Styczeń, J., Bracco, A. et al. Collectivity and single-particle degrees of freedom. Eur. Phys. J. A 20, 45–46 (2003). https://doi.org/10.1140/epja/i2002-10319-x
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DOI: https://doi.org/10.1140/epja/i2002-10319-x