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      Faddeev approach to the reaction \({K}^{-}d\to \pi \mathrm{\Sigma }n\) at \({p}_{K}=1\phantom{\rule{0.16em}{0ex}}\mathrm{GeV}/c\)

      , ,
      Physical Review C
      American Physical Society (APS)

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          Is Open Access

          Construction of high-quality Nucleon-Nucleon potential models

          We present an updated version (Nijm93) of the Nijmegen soft-core potential, which gives a much better description of the np data than the older version (Nijm78). The chi^2 per datum is 1.87. The configuration-space and momentum-space versions of this potential are exactly equivalent; a unique feature among meson-theoretical potentials. We also present three new NN potential models: a non-local Reid-like Nijmegen potential (NijmI), a local version (NijmII), and an updated regularized version (Reid93) of the Reid soft-core potential. These three potentials all have a nearly optimal chi^2 per datum and can therefore be considered as alternative partial-wave analyses. All potentials contain the proper charge-dependent one-pion-exchange tail. Fortran code for the potentials can be obtained via anonymous ftp from thef-nym.sci.kun.nl
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            The three-nucleon continuum: achievements, challenges and applications

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              Chiral dynamics in the presence of bound states: kaon-nucleon interactions revisited

              , (2010)
              We study the S-wave kaon-nucleon interactions for strangeness S=-1 in a novel relativistic chiral unitary approach based on coupled channels. Dispersion relations are used to perform the necessary resummation of the lowest order relativistic chiral Lagrangian. A good description of the data in the K^- p, \pi \Sigma and \pi \Lambda channels is obtained. We show how this method can be systematically extended to higher orders, emphasizing its applicability to any scenario of strong self-interactions where the perturbative series diverges even at low energies. Discussions about the differences to existing approaches employing pseudo-potentials in a regulated Lippmann-Schwinger equation are included. Finally, we describe the resonance content of our meson-baryon amplitudes and discuss its nature.
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                Author and article information

                Journal
                PRVCAN
                Physical Review C
                Phys. Rev. C
                American Physical Society (APS)
                2469-9985
                2469-9993
                May 2018
                May 11 2018
                : 97
                : 5
                Article
                10.1103/PhysRevC.97.055209
                c4fbd61d-19cd-473f-86b3-8b9387858da1
                © 2018

                https://link.aps.org/licenses/aps-default-license

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