Tau contamination in the platinum channel at neutrino factories
Tau contamination in the platinum channel at neutrino factories
The platinum channel (${\ensuremath{\nu}}_{e}$ or ${\overline{\ensuremath{\nu}}}_{e}$ appearance) has been proposed at neutrino factories as an additional channel that could help in lifting degeneracies and improving sensitivities to neutrino oscillation parameters, viz., ${\ensuremath{\theta}}_{13}$, ${\ensuremath{\delta}}_{CP}$, mass hierarchy, deviation of ${\ensuremath{\theta}}_{23}$ from maximality and its octant. This channel corresponds to ${\ensuremath{\nu}}_{\ensuremath{\mu}}\ensuremath{\rightarrow}{\ensuremath{\nu}}_{e}$ (${\overline{\ensuremath{\nu}}}_{\ensuremath{\mu}}\ensuremath{\rightarrow}{\overline{\ensuremath{\nu}}}_{e}$) oscillations …