Spectroscopic factors within the dinuclear-system model
S. N. KuklinJoint Institute for Nuclear Research, Dubna, Moscow oblast, 141980, RussiaG. G. AdamianInstitute of Nuclear Physics, Uzbek Academy of Sciences, pos. Ulughbek, Tashkent, 702132, Republic of UzbekistanN. V. AntonenkoJoint Institute for Nuclear Research, Dubna, Moscow oblast, 141980, Russia
ABI
Abstract
A model of the cluster radioactivity of even—even nuclei is presented. In this model, zero-point vibrations in the charge-asymmetry coordinate determine spectroscopic factors, while tunneling in the coordinate of the relative separation of the centers of mass of the cluster and the daughter nucleus determine the penetrability of the barrier of the nucleus-nucleus potential. The conservation of the total spin and energy in the decay process is taken into account. The potential of the model for describing experimental half-lives is demonstrated. A number of predictions for possible cluster-emission reactions in the regions of lead and tin radioactivities are made.
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