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

A. Rácz, P. Salamon, T. Vertse

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Abstract

The trajectories of S-matrix poles are calculated in the finite-range phenomenological potential introduced recently by Salamon and Vertse [Phys. Rev. CPRVCAN0556-281310.1103/PhysRevC.77.037302 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.

Original languageEnglish
Article number037602
JournalPhysical Review C - Nuclear Physics
Volume84
Issue number3
DOIs
Publication statusPublished - Sep 2 2011

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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