CDF
PUBLISHED
BEYOND SM
Search for Higgs bosons decaying into bbˉb\bar{b} and produced in association with a vector boson in ppˉp\bar{p} collisions at s=1.8\sqrt{s} = 1.8 TeV

We present a new search for H0VH^{0}V production, where H0H^0 is a scalar Higgs boson decaying into bbˉb\bar{b} with branching ratio β\beta, and VV is a Z0Z^{0} boson decaying into e+ee^{+}e^{-}, μ+μ\mu^{+}\mu^{-}, or ννˉ\nu\bar{\nu}. This search is then combined with previous searches for H0VH^{0}V where VV is a W±W^{\pm} boson or a hadronically decaying Z0Z^{0}. The data sample consists of 106±4106 \pm 4 pb1^{-1} of ppˉp\bar{p} collisions at s=1.8\sqrt{s}=1.8 TeV accumulated by the Collider Detector at Fermilab. Observing no evidence of a signal, we set 95% Bayesian credibility level upper limits on σ(ppˉH0V)×β\sigma(p\bar{p}\to H^{0}V)\times\beta. For H0H^0 masses of 90, 110 and 130 GeV/c2c^{2}, the limits are 7.8, 7.2, and 6.6 pb respectively.

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