Nuclear Theory
[Submitted on 30 Apr 2013]
Title:Precise determination of the effective-range parameters up to an arbitrary order
View PDFAbstract:We propose a method to compute, for a given potential model, an arbitrary coefficient of the effective-range function expanded as a power series in energy. The method is based on a set of recurrence relations at low energy, that allows a compact and general description to any order in energy for neutral and charged cases. By using the Lagrange mesh technique to compute the R-matrix at zero energy, this proposal permits to compute, with a very good precision, the effective-range parameters. We use a potential model for some nuclear systems to illustrate the effectiveness of this method and to discuss its numerical limitations.
Submission history
From: Oscar Leonardo Ramírez Suárez Ph.D.c [view email][v1] Tue, 30 Apr 2013 15:00:44 UTC (209 KB)
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