Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1994-08-31
Physics
High Energy Physics
High Energy Physics - Phenomenology
Presented by E. Mirkes at DPF94 Meeting, Albuquerque, New Mexico, August 2-6,1994. 5 pages (LaTex), 2 uuencoded figures append
Scientific paper
Semileptonic decays of polarized $\tau$ leptons are investigated. The most general angular distribution of three meson final states ($\tau\rightarrow \pi\pi\nu,\,K\pi\nu,\, \pi\pi\pi\nu,\\ \,K\pi\pi\nu,\, KK\pi\nu,\, KKK\nu,\, \eta\pi\pi\nu,\,\ldots{}$) is discussed. It is shown, that the most general distribution can be characterized by 16 structure functions, most of which can be determined in currently ongoing high statistics experiments. Emphasis is put on $\tau$ decays in $e^{+}e^{-}$ experiments where the neutrino escapes detection and the $\tau$ rest frame cannot be reconstructed. The structure of the hadronic matrix elements, based on CVC and chiral lagrangians, is discussed.
K"uhn J. H.
Mirkes Erwin
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