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Research Articles

Physical interpretation of anomalous absorption of partial waves by nuclear optical potential

Authors:

RAD Piyadasa ,

Department of Mathematics, University of Kelaniya, Kelaniya, LK
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J Munasinghe,

Department of Mathematics, University of Kelaniya, Kelaniya, LK
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NGA Karunatileke

Department of Mathematics, University of Kelaniya, Kelaniya, LK
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Abstract

Anomalous absorption of light ion partial waves by the nuclear optical potential is an interesting phenomenon showing striking systematic in various parameter planes. However, the theoretical description of this phenomenon is extremely difficult. In this contribution, we address the problem of its physical interpretation. It is shown that the zero of the S-matrix element associated with the anomalous absorption of a partial wave is due to the destructive interference of the reflected waves, from the innermost turning point and the outermost turning point, in the asymptotic region when WKB approximation is feasible.

Key words: anomalous absorption; Partial waves; S-matrix element.

DOI: 10.4038/josuk.v4i0.2698

J Sci.Univ.Kelaniya 4 (2008): 68-72
How to Cite: Piyadasa, R., Munasinghe, J. & Karunatileke, N., (2011). Physical interpretation of anomalous absorption of partial waves by nuclear optical potential. Journal of Science of the University of Kelaniya Sri Lanka. 4, pp.68–72. DOI: http://doi.org/10.4038/josuk.v4i0.2698
Published on 17 Jan 2011.
Peer Reviewed

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