Ratios of bottom meson branching fractions involving $\frac{J}{ψ}$ mesons and determination of $b$ quark fragmentation fractions

We report a measurement of the ratios of the decay rates of the

B^{+}

B^{0}

, and

B_{s}^{0}

mesons into exclusive final states containing a

\frac{J}{ψ}

meson. The final states were selected from 19.6 pb-1 of

p \bar{p}

collisions recorded by the Collider Detector at Fermilab. These data are interpreted to determine the

b

quark fragmentation fractions

f_{u}

f_{d}

, and

f_{s}

. We also determine the branching fractions for the decay modes

B^{+} \to \frac{J}{ψ K^{+}}

B^{+} \to \frac{J}{ψ K^{*} {(892)}^{+}}

B^{0} \to \frac{J}{ψ K^{0}}

B^{0} \to \frac{J}{ψ K^{*} {(892)}^{0}}

, and

B_{s}^{0} \to \frac{J}{ψ φ (1020)}

. We discuss the implications of these measurements to

B

meson decay models.

This publication has 46 references indexed in Scilit:

Ratios of bottom meson branching fractions involvingJψmesons and determination ofbquark fragmentation fractions