Wess-Zumino Current and the Structure of the Decay tau^- to K^-K^+ pi^- nu_tau

TL;DR

This paper investigates the Wess-Zumino vector current's role in tau decay to K K pi nu, quantifying contributions from various intermediate states using CLEO III data, advancing understanding of tau decay dynamics.

Contribution

First experimental analysis of the vector current in tau to K K pi nu decay, identifying contributions from specific intermediate states within a theoretical framework.

Findings

Quantified vector and axial vector contributions to decay width.

Identified intermediate states  extomega extpi, ho' extpi, and K*K.

Enhanced understanding of decay mechanisms in tau leptons.

Abstract

We present the first study of the vector (Wess-Zumino) current in tau^-\to K^-pi^-K^+\nu_\tau decay using data collected with the CLEO III detector at the Cornell Electron Storage Ring. We determine the quantitative contributions to the decay width from the vector and axial vector currents. Within the framework of a model by Kuhn and Mirkes, we identify the quantitative contributions to the total decay rate from the intermediate states \omega\pi, \rho^{(\prime)}\pi and K^{*}K.