$ΔS = 1$ Hadronic Weak Decays of Hyperons in a Soliton Model

Details $ΔS = 1$ Hadronic Weak Decays of Hyperons in a Soliton Model $ΔS = 1$ Hadronic Weak Decays of Hyperons in a Soliton Model

1997-09-23

arxiv.org/abs/hep-ph/9709428v1

Phys.Lett.B428:8-12,1998

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, LaTeX, no figures

Scientific paper

10.1016/S0370-2693(98)00382-7

We study the parity violating hyperon non-leptonic weak decays in the three flavor Skyrme model. We follow the approach in which the symmetry breaking terms in the action are diagonalized exactly within the collective coordinate approximation. We show that although this method introduces some configuration mixing, the $\Delta I =1/2$ rule is numerically well satisfied. In addition, and in contrast to previous calculations, we show that not only the relative amplitudes are in good agreement with the empirical values but also their absolute values. The issue of whether the strong interaction enhancement factors should be included in soliton calculations is also addressed.

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