Trajectories of S-matrix poles in a new finite-range potential

A. Rácz, P. Salamon, and T. Vertse
Phys. Rev. C 84, 037602 – Published 2 September 2011

Abstract

The trajectories of S-matrix poles are calculated in the finite-range phenomenological potential introduced recently by Salamon and Vertse [Phys. Rev. C 77, 037302 (2008)] (SV). The potential is similar to a Woods-Saxon (WS) interaction, but it is exactly zero beyond a radius, without any cutoff. The trajectories of the resonance poles in this SV potential are compared to the corresponding trajectories in a cutoff WS potential for l>0. The dependence on the cutoff radius is demonstrated. The starting points of the trajectories turn out to be related to the average ranges of the two terms in the SV potential.

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  • Received 7 June 2011

DOI:https://doi.org/10.1103/PhysRevC.84.037602

©2011 American Physical Society

Authors & Affiliations

A. Rácz1, P. Salamon1,2, and T. Vertse1,2

  • 1University of Debrecen, Faculty of Informatics, PO Box 12, H–4010 Debrecen, Hungary
  • 2Institute of Nuclear Research of the Hungarian Academy of Sciences, Debrecen, PO Box 51, H–4001, Hungary

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Issue

Vol. 84, Iss. 3 — September 2011

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