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|a Taylor, Frank E.
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|a Massachusetts Institute of Technology. Department of Physics
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|a Taylor, Frank E.
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|a Taylor, Frank E.
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|a Search for Pair Production of a Heavy Up-Type Quark Decaying to a W Boson and a b Quark in the lepton+jets Channel with the ATLAS Detector
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|b American Physical Society,
|c 2012-09-04T17:55:35Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/72500
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|a A search is presented for production of a heavy up-type quark (t') together with its antiparticle, assuming subsequent decay to a W boson and a b quark, t't̅ '-->W[superscript+]bW[superscript -]b̅ . The search is based on 1.04 fb-1 of proton-proton collisions at √s=7 TeV collected by the ATLAS detector at the CERN Large Hadron Collider. Data are analyzed in the lepton+jets final state, characterized by a high transverse momentum isolated electron or muon, high missing transverse momentum, and at least three jets. No significant excess of events above the background expectation is observed. A 95% C.L. lower limit of 404 GeV is set for the mass of the t' quark.
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|a United States. Dept. of Energy.
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|a National Science Foundation (U.S.).
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|a en_US
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|a Article
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|t Physical Review Letters
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