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Elastic scattering and fusion of 9Be+208Pb: Density function dependence of the double folding renormalization

Woolliscroft, R. J., Fulton, B. R., Cowin, R. L., Dasgupta, M., Hinde, D. J., Morton, C. R. and Berriman, A. C. (2004) Elastic scattering and fusion of 9Be+208Pb: Density function dependence of the double folding renormalization. Physical Review C, 69 (4). 044612-1. ISSN 1089-490X

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Abstract

Elastic scattering angular distributions of the weakly bound 9Be projectile from 208Pb have been measured for 11 beam energies ranging from 38 to 75 MeV . Analysis was carried out with the optical model, employing a double folded microscopic real potential with four different 9Be density functions. The surface strengths of the interaction potentials were consistent and all exhibited a threshold anomaly. However, the renormalization factor required to obtain an optimum fit to the data varied significantly depending upon which 9Be density function was used, cautioning that conclusions about the effect of breakup should not be based solely upon the value of this factor. Fusion cross sections predicted from these potentials were extracted using a barrier penetration model. Comparison with recently published experimental data suggests that the flux removed from complete fusion by breakup is balanced by the flux redirected into the partial fusion channel.

Item Type: Article
Academic Units: The University of York > Physics (York)
Depositing User: York RAE Import
Date Deposited: 30 Mar 2009 15:31
Last Modified: 30 Mar 2009 15:31
Published Version: http://dx.doi.org/10.1103/PhysRevC.69.044612
Status: Published
Publisher: The American Physical Society.
Identification Number: 10.1103/PhysRevC.69.044612
URI: http://eprints.whiterose.ac.uk/id/eprint/7303

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