The Isospin Model prediction for multi-pion tau decays

Details The Isospin Model prediction for multi-pion tau decays The Isospin Model prediction for multi-pion tau decays

1998-10-19

arxiv.org/abs/hep-ph/9810406v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

The predictions of an isospin model are compared with the branching ratios of the 5 and 6 pion decays of the tau lepton. In both cases, the isospin model suggests that the tau favours decays in which there is an omega resonance. Recent measurements of such tau decays confirm this hypothesis. If the decay of the tau to 7 pions also proceeds through an intermediate omega, then the isospin model predicts that the branching ratio of the tau to seven charged pions should be small when compared with other 7 pion decays. New limits on this mode appear to support this argument.

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