RDM lifetime measurements in107Cd

Autor: D. D. Warner, L. Amon, N. V. Zamfir, G. Gürdal, K Andgren, Elizabeth Williams, M N Erduran, A. Papenberg, V. Werner, S. F. Ashley, C. Plettner, R. B. Cakirli, E. A. McCutchan, D. A. Meyer, J Vinson, R. F. Casten, R. M. Clark, Norbert Pietralla, K. L. Keyes, N. J. Thomas, G. Rainovski, P. H. Regan, R V Ribas
Rok vydání: 2005
Předmět:
Zdroj: Journal of Physics G: Nuclear and Particle Physics. 31:S1563-S1568
ISSN: 1361-6471
0954-3899
Popis: Lifetimes for decays linking near-yrast states in 107Cd have been measured using the recoil distance method (RDM). The nucleus of interest was populated via the 98Mo(12C,3n)107Cd fusion–evaporation reaction at an incident beam energy of 60 MeV. From the measured lifetimes, transition probabilities have been deduced and compared with the theoretical B(E2) values for limiting cases of harmonic vibrational and axially deformed rotational systems. Our initial results suggest a rotor-like behaviour for the structure based on the unnatural-parity, h11/2 orbital in 107Cd, providing further evidence for the role of this 'shape-polarizing' orbital in stabilizing the nuclear deformation in the A ~ 100 transitional region.
Databáze: OpenAIRE