Nuclear potentials for sub-barrier fusion and cluster decay in C14, O18+Pb208 systems

R. N. Sagaidak, S. P. Tretyakova, S. V. Khlebnikov, A. A. Ogloblin, N. Rowley, and W. H. Trzaska
Phys. Rev. C 76, 034605 – Published 18 September 2007

Abstract

Near-barrier fusion excitation functions for the C14 and O18+Pb208 reactions have been analyzed in the framework of the barrier-passing model using different forms of the nuclear potential and the phenomenology of a fluctuating barrier. The best-fit fusion potentials were used to estimate cluster decay probabilities from the corresponding ground states of Ra and Th (i.e., for the inverse decay process). The analysis supports the “α-decay-like” scenario for carbon and oxygen emission from these nuclei.

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  • Received 24 May 2006

DOI:https://doi.org/10.1103/PhysRevC.76.034605

©2007 American Physical Society

Authors & Affiliations

R. N. Sagaidak and S. P. Tretyakova*

  • Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research, RU-141980 Dubna, Moscow Region, Russia

S. V. Khlebnikov

  • V. G. Khlopin Radium Institute, RU-194021 St-Petersburg, Russia

A. A. Ogloblin

  • Russian Scientific Center Kurchatov Institute, RU-123182 Moscow, Russia

N. Rowley

  • Institut Pluridisciplinaire Hubert Curien, UMR7500, CNRS/Université Louis Pasteur, Boîte Postal 28, F-67037 Strasbourg Cedex 2, France

W. H. Trzaska

  • JYFL, Department of Physics, University of Jyväskylä, Post Office Box 35, FIN-40014 Jyväskylä, Finland

  • *Deceased.

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Issue

Vol. 76, Iss. 3 — September 2007

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