Search for Wbb(-) and WH production in pp(-) collisions at root s=1.96 TeV

Search for Wbb(-) and WH production in pp(-) collisions at root s=1.96 TeV

We present a search for Wb (b) over bar production in p (p) over bar collisions at root 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 collid...

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Bibliographic Details
Published in:Physical review letters Vol. 94; no. 9; p. 091802
Main Authors: Abazov, V. M., Åsman, Barbro, Clément, Christophe, Lager, Sara, Strandberg, Jonas, Zylberstejn, A., et al
Format: Journal Article
Language:English
Published: 11-03-2005
Subjects:
Fysik
NATURAL SCIENCES
NATURVETENSKAP
Physics
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Summary:We present a search for Wb (b) over bar production in p (p) over bar collisions at root 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 Wb (b) over bar production of 6.6 pb for b quarks with transverse momenta p(T)(b)> 20 GeV and b (b) over bar separation in pseudorapidity-azimuth space Delta R-bb> 0.75. Restricting the search to optimized b (b) over bar mass intervals provides upper limits on WH production of 9.0-12.2 pb for Higgs-boson masses of 105-135 GeV.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.94.091802