Combined analysis of the K+K interaction using near-threshold ppppK+K data

M. Silarski and P. Moskal
Phys. Rev. C 88, 025205 – Published 19 August 2013

Abstract

The K+K final state interaction was investigated based on both the K+K invariant mass distributions measured at excess energies of Q=10 and 28 MeV and the near threshold excitation function for the ppppK+K reaction. The K+K final state enhancement factor was parametrized using the effective range expansion. The effective range of the K+K interaction was estimated to be Re(bK+K)=0.1±0.4stat±0.3sysfm and Im(bK+K)=1.20.2stat0.0sys+0.1stat+0.2sysfm, and the determined real and imaginary parts of the K+K scattering length amount to Re(aK+K)=8.04.0stat+6.0statfm and Im(aK+K)=0.05.0stat+20.0statfm.

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  • Received 28 December 2012

DOI:https://doi.org/10.1103/PhysRevC.88.025205

©2013 American Physical Society

Authors & Affiliations

M. Silarski1,* and P. Moskal1,2

  • 1Institute of Physics, Jagiellonian University, PL-30-059 Cracow, Poland
  • 2Nuclear Physics Institute, Research Center Jülich, D-52425 Jülich, Germany

  • *michal.silarski@uj.edu.pl

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Vol. 88, Iss. 2 — August 2013

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