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Search for ZH→l(+)l(−)bb-bar Production in 4.2 fb(−1) of pp-bar Collisions at s√=1.96 TeV
Baringer, Philip S. Bean, Alice Clutter, Justace Randall McGivern, Carrie Lynne Sekaric, Jadranka Wilson, Graham Wallace Abazov, V. M. Abbott, B. Abolins, M. Acharya, B. S.
Baringer, Philip S.
Bean, Alice
Clutter, Justace Randall
McGivern, Carrie Lynne
Sekaric, Jadranka
Wilson, Graham Wallace
Abazov, V. M.
Abbott, B.
Abolins, M.
Acharya, B. S.
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Abstract
We present a search for the standard model Higgs boson produced in association with a Z boson in 4.2 fb(−1) of pp-bar collisions, collected with the D0 detector at the Fermilab Tevatron at s√=1.96 TeV. Selected events contain one reconstructed Z→e(+)e(−) or Z→μ(+)μ(−) candidate and at least two jets, including at least one b-tagged jet. In the absence of an excess over the background expected from other standard model processes, limits on the ZH cross section multiplied by the branching ratios are set. The limit at MH=115 GeV is a factor of 5.9 larger than the standard model prediction.
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This is the publisher's version, also available electronically from http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.105.251801.
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2010-12-13
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American Physical Society
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Baringer_12-13-2010.pdf
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V. M. Abazov et al. (D0 Collaboration). (2010). "Search for ZH→l(+)l(−)bb-bar Production in 4.2 fb(−1) of pp-bar Collisions at s√=1.96 TeV." Physical Review Letters, 105(25):251801. http://dx.doi.org/10.1103/PhysRevLett.105.251801.