Radiative Tau Decays with One Pseudoscalar Meson

Details Radiative Tau Decays with One Pseudoscalar Meson Radiative Tau Decays with One Pseudoscalar Meson

1993-02-22

arxiv.org/abs/hep-ph/9302286v1

Phys.Rev. D48 (1993) 4203-4215; Addendum-ibid. D50 (1994) 7079-7081

Physics

High Energy Physics

High Energy Physics - Phenomenology

p.20, TTP93-1, LaTeX

Scientific paper

10.1103/PhysRevD.50.7079

We have calculated the decay $\tau \rightarrow \nu \pi(K) \gamma$. We present the photon energy spectrum, the meson-photon invariant mass spectrum and the integrated rate as a function of a photon energy cut or an invariant mass cut. Both the internal bremsstrahlung and the structure dependent radiation have been taken into account. To this aim we have parametrized the form factors $F_V$ and $F_A$, which determine the structure dependent radiation. Observables especially suited for the measurement of the structure dependent form factors are found and implications on the width of the $a_1$ discussed.

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