Intruder rotational bands in 45Sc and 45Ti 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.
Collectivity and single-particle degrees of freedom : studies of light f(7/2) nuclei at EUROBALL IV and recoil filter detector / P. Bednarczyk, J. Styczen, A. Bracco, D. Curien, J. Grebosz, M. Lach, A. Maj, J. C. Merdinger, W. Meczynski, F. Nowacki, M. B. Smith, K. Spohr, J. P. Vivien, M. Zeblinski. - In: THE EUROPEAN PHYSICAL JOURNAL. A, HADRONS AND NUCLEI. - ISSN 1434-6001. - 20:1(2004), pp. 45-46.
Collectivity and single-particle degrees of freedom : studies of light f(7/2) nuclei at EUROBALL IV and recoil filter detector
A. Bracco;
2004
Abstract
Intruder rotational bands in 45Sc and 45Ti 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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