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Title

Search for the Production of Scalar Bottom Quarks in pp Collisions at √s=1.96  TeV

CollaborationWith : Clark, Allan Geoffrey / Garcia Navarro, Jose Enrique / Lister, Alison / Wu, Xin
Published in Physical Review Letters. 2010, vol. 105, p. 7p.
Abstract We report on a search for direct scalar bottom quark (sbottom) pair production in pp collisions at √s=1.96  TeV, in events with large missing transverse energy and two jets of hadrons in the final state, where at least one of the jets is required to be identified as originating from a b quark. The study uses a collider detector at Fermilab Run II data sample corresponding to 2.65  fb−1 of integrated luminosity. The data are in agreement with the standard model. In an R-parity conserving minimal supersymmetric scenario, and assuming that the sbottom decays exclusively into a bottom quark and a neutralino, 95% confidence-level upper limits on the sbottom pair production cross section of 0.1 pb are obtained. For neutralino masses below 70  GeV/c2, sbottom masses up to 230  GeV/c2 are excluded at 95% confidence level.
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CDF COLLABORATION. Search for the Production of Scalar Bottom Quarks in pp Collisions at √s=1.96  TeV. In: Physical Review Letters, 2010, vol. 105, p. 7p. https://archive-ouverte.unige.ch/unige:38695

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Deposited on : 2014-07-15

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