A search for W bb and W Higgs production in ppbar collisions at sqrt(s)=1.96 TeV
Abstract
We present a search for W b b production in p p collisions at sqrts=1.96 TeV in events containing one electron, an imbalance in transverse momentum, and two b-tagged jets. Using 174 pb-1 of integrated luminosity accumulated by the D0 experiment at the Fermilab Tevatron collider, and the standard-model description of such events, we set a 95% C.L. upper limit on W b b production of 6.6 pb for b quarks with transverse momenta pTb > 20 GeV and b b separation in pseudorapidity-azimuth space Delta Rbb > 0.75. Restricting the search to optimized b b mass intervals provides upper limits on WH production of 9.0-12.2 pb, for Higgs-boson masses of 105-$135 GeV.
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