Abazov, VM;
Abbott, B;
Abolins, M;
Acharya, BS;
Adams, M;
Adams, T;
Agelou, M;
... D0 Collaboration; + view all
(2005)
Search for Wbb(-) and WH production in pp(-) collisions at root s=1.96 TeV.
PHYS REV LETT
, 94
(9)
, Article 091802. 10.1103/PhysRevLett.94.091802.
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Abstract
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.
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