Abstract
The semileptonic decay rates of the τ lepton into final states containing up to three pseudoscalar mesons are calculated using a general low energy effective lagrangian for pseudoscalar and vector mesons with U(3) × U(3) chiral symmetry. The results compare well with the measured decay rates. No unexpectedly large branching fractions are found that might account for the “missing” decay modes of the τ.
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