Eur. Phys. J. A (2005) 25: 435-436
https://doi.org/10.1140/epjad/i2005-06-046-8

ENAM 2004

Ground-state properties and phase/shape transitions in the IBA

Wright Nuclear Structure Laboratory, Yale University, 06520, New Haven, CT, USA

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Received: 5 November 2004
Accepted: 18 February 2005
Published online: 3 May 2005

Abstract

Detailed fits to energies and electromagnetic transition rates for isotopic chains in the rare-earth region were performed using a simple IBA-1 Hamiltonian. The resulting parameters were then used to calculate two-neutron separation energies, isomer and isotope shifts. Comparison of the isotope shift behavior with other observables in this mass region suggests that the isotope shift could provide an indication for a first-order phase transition.