Abstract:This thesis reports on a measurement of the branching ratio of the Cabibbo-suppressed decay B where J/-+ The data were collected by the Collider Detector at Fermilab during 1992-1995 and correspond to an integrated luminosity of 110 pb in pp collisions at = 1.8 TeV. A signal of 28t 0 events is observed and we determine the ratio of branching ratios B(B-* J/K) to be (5.0it ± 0.1)%, where the first uncertainties are statistical and the second are systematic. Using the world average value for B(B-+ J/ i/,K+), we … Show more
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