Possible huge enhancement in the radiative decay of the weal W boson into the charmed $D_{s} $ meson

Details Possible huge enhancement in the radiative decay of the weal W boson into the charmed $D_{s} $ meson Possible huge enhancement in the radiative decay of the weal W boson into the charmed $D_{s} $ meson

1993-03-24

arxiv.org/abs/hep-ph/9303300v1

Mod.Phys.Lett. A9 (1994) 1545-1556

Physics

High Energy Physics

High Energy Physics - Phenomenology

14, PAR/LPTHE 93 - 05

Scientific paper

We point out that the rare decay mode $W^{\pm} \rightarrow \gamma + D^{\pm}_{s} $ could be spectacularly enhanced, with a branching ratio around $10^{-6} $ which is three order of magnitude larger than previous predictions. Its observation will determine the W boson mass with great accuracy, providing additional high precision tests of the standard model, as well as reveal eventual deviation from the trilinear non-abelian gauge coupling.

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