Search for B(sub c)(sup (plus minus)) (yields) J/(psi)(pi)(sup (plus minus)) and the B rare decays B(sub d)(sup 0) (yields) (mu)(sup +) mu(sup (minus)) and B(sub s)(sup 0) (yields) (mu)(sup +) (mu)(sup (minus)) at CDF

摘要

We present a search for the (ital B)(sup +)(sub (ital c))(yields)(ital J)/(Psi)(pi)(sup (+-)). We measure the limit of (delta)((ital B)(sup (+-))(sub (ital c)))(center dot)(ital BR(B(sub c)(sup (+-))(yields)J/(Psi)(pi)(sup (+-)))/(delta)(B(sup +-)(sub u))(center dot)BR(B(sup (+-))(sub u)(yields)J/(Psi)(Kappa)(sup (+-)))) as a function of the (ital B(sup (+-))(sub c)) lifetime, using (approx) 110 (ital pb)(sup -1) of data collected at the Collider Detector at Fermilab (CDF). We present also a search for the rare decays (ital B)(sup 0)(sub (ital d))(yields)(mu)(sup +)(mu)(sup -) and (ital B)(sup 0)(sub (ital s))(yields)(mu)(sup +)(mu)(sup -), setting an upper limit on their respective branching ratios.