A search for W bb and W Higgs production in ppbar collisions at sqrt(s)=1.96 TeV

Details A search for W bb and W Higgs production in ppbar collisions at sqrt(s)=1.96 TeV A search for W bb and W Higgs production in ppbar collisions at sqrt(s)=1.96 TeV

2004-10-21

arxiv.org/abs/hep-ex/0410062v1

Phys.Rev.Lett.94:091802,2005

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, 4 figures, 1 table, submitted to Physical Review Letters

Scientific paper

10.1103/PhysRevLett.94.091802

We present a search for W b \bar{b} production in p \bar{p} collisions at sqrt{s}=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 \bar{b}$ production of 6.6 pb for b quarks with transverse momenta p_T^b > 20 GeV and b \bar{b} separation in pseudorapidity-azimuth space Delta R_bb > 0.75. Restricting the search to optimized b \bar{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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