Tau Physics with Polarized Beams

TL;DR

This paper reports the first measurements of tau lepton properties using polarized beams at the SLD detector, providing new insights into tau decay parameters and neutrino helicity.

Contribution

It introduces the first experimental results on tau physics with polarized beams, measuring Michel parameters and neutrino helicity at SLC.

Findings

Measured tau Michel parameters $\xi$ and $\xi\delta$

Determined tau neutrino helicity $h_ u$

First polarization-based tau physics results

Abstract

We present the first results on tau physics using polarized beams. These include measurements of the $\tau$ Michel parameters $\xi$ and $\xi\delta$ and the $\tau$ neutrino helicity $h_\nu$. The measurements were performed using the SLD detector at the Stanford Linear Collider (SLC). (Invited talk at the 1995 International Europhysics Conference on High Energy Physics, Brussels, Belgium, July 27 - August 2, 1995.)