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Description of Exotic Nuclei with the Interacting Boson Model

Abstract : Even—even nuclei in the A~100 mass region are investigated within the framework of the interacting boson model-1 (IBM-1). The study includes energy spectra and electric quadrupole transition properties of zirconium, molybdenum, ruthenium and palladium isotopes with neutron number N>=54. A global parametrization of the IBM-1 hamiltonian is found leading to a description of 301 collective levels in 30 nuclei with a root-mean-square deviation from the observed level energies of 119 keV. The geometric character of the nuclei can be visualized by plotting the potential energy surface V(beta,gamma) obtained from the IBM-1 hamiltonian in the classical limit. The parametrization established on the basis of known elements is then used to predict properties of the unknown, neutron-rich isotopes 106Zr, 112Mo, 116Ru and 120Pd.
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http://hal.in2p3.fr/in2p3-00358555
Contributor : Michel Lion <>
Submitted on : Tuesday, February 3, 2009 - 4:37:35 PM
Last modification on : Thursday, February 1, 2018 - 1:33:39 AM

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M. Böyükata, P. van Isacker, I. Uluer. Description of Exotic Nuclei with the Interacting Boson Model. Nuclear Physics and Astrophysics: From Stable Beams to Exotic Nuclei, Jun 2008, Cappadocia, Turkey. pp.223-228, ⟨10.1063/1.3039834⟩. ⟨in2p3-00358555⟩

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