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hep-ex2005
Observation of the Decay Xi^0 --> Sigma^+ mu^- nu(bar)
KTeV Collaboration, E. Abouzaid, T. Alexopoulos +57
The Xi^0 muon semi-leptonic decay has been observed for the first time with nine identified events using the KTeV beam line and detector at Fermilab. The decay is normalized to the…
hep-ex2004
A Determination of the CKM Parameter |Vus|
KTeV Collaboration, T. Alexopoulos
We present a determination of the CKM parameter |Vus| based on new measurements of the six largest KL branching fractions and semileptonic form factors by the KTeV (E832) experimen…