Proposal for a precision measurement of |Vub|.
A new method for a precision measurement of the Cabibbo-Kobayashi-Maskawa matrix element |V(ub)| is discussed, which combines good theoretical control with high efficiency and a powerful discrimination against charm background. The resulting combined theoretical uncertainty on |V(ub)| is estimated to be 10%.
Bosch
Stefan W
SW
Institute for High-Energy Phenomenology, Laboratory for Elementary-Particle Physics, Cornell University, Ithaca, New York 14853, USA.
Lange
Björn O
BO
Neubert
Matthias
M
Paz
Gil
G