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Evidence of WW and WZ Production with lepton+jets Final States in pp-bar Collisions at s√=1.96 TeV
Baringer, Philip S. Bean, Alice Clutter, Justace Randall Moulik, Tania Wilson, Graham Wallace Abazov, V. M. Abbott, B. Abolins, M. Acharya, B. S. Adams, M.
Baringer, Philip S.
Bean, Alice
Clutter, Justace Randall
Moulik, Tania
Wilson, Graham Wallace
Abazov, V. M.
Abbott, B.
Abolins, M.
Acharya, B. S.
Adams, M.
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Abstract
We present first evidence for WW+WZ production in lepton+jets final states at a hadron collider. The data correspond to 1.07 fb(−1) of integrated luminosity collected with the D0 detector at the Fermilab Tevatron in pp-bar collisions at s√=1.96 TeV. The observed cross section for WW+WZ production is 20.2±4.5 pb, consistent with the standard model and more precise than previous measurements in fully leptonic final states. The probability that background fluctuations alone produce this excess is <5.4×10−6, which corresponds to a significance of 4.4 standard deviations.
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This is the publisher's version, also available electronically from http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.102.161801.
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2009-04-21
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American Physical Society
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Baringer_4-21-2009.pdf
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V. M. Abazov et al. (D0 Collaboration). (2009). "Evidence of WW and WZ Production with lepton+jets Final States in pp-bar Collisions at s√=1.96 TeV." Physical Review Letters, 102(16):161801. http://dx.doi.org/10.1103/PhysRevLett.102.161801.