Update on four-family neutrino oscillations at Neutrino Factory

Abstract

The prospects of measuring the leptonic angles and CP-odd phases at a {\em neutrino factory} are discussed in the scenario of three active plus one sterile neutrino, motivated by the ${\nu }_{\mu }\text{raw}{\nu }_e$ LSND signal. Sensitivity to the MNS mixing matrix angles at $O(10^{-3})$ is achieved with a 1 T detector at $\sim 1$ km from the source, whereas leptonic CP-violation can be measured through tau detection with a 1 kT detector at $\sim 100$ km.

Comments: 7 pages,Latex2e, 3 .eps figures. Talk given at NuFact00, 22-26 May, Monterey