Recent theoretical results on |Delta I|=3/2 decays of hyperons

Details Recent theoretical results on |Delta I|=3/2 decays of hyperons Recent theoretical results on |Delta I|=3/2 decays of hyperons

1999-12-20

arxiv.org/abs/hep-ph/9912432v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, latex; talk presented at Hyperon99, Fermilab, Batavia, 27-29 September 1999

Scientific paper

We present a discussion of the |Delta I|=3/2 amplitudes of the hyperon decays B->B'+pi in the context of chiral perturbation theory. We evaluate the theoretical uncertainty of the lowest-order predictions by calculating the leading non-analytic corrections. We find that the corrections to the lowest-order predictions are within the expectations of naive power-counting and, therefore, that this picture can be examined more quantitatively with improved measurements.

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