/ Experiment-HEP arXiv:1102.4746

Search for a Heavy Bottom-like Quark in $pp$ Collisions at $\sqrt{s} = 7$ TeV

Abstract: A search for pair-produced bottom-like quarks in pp collisions at sqrt(s) = 7 TeV is conducted with the CMS experiment at the LHC. The decay b' to tW is considered in this search. The b' b'-bar to tW^- t-bar W^+ process can be identified by the distinctive signature of trileptons and same-sign dileptons. With a data sample corresponding to an integrated luminosity of 34 inverse picobarns, no excess above the standard model background predictions is observed and a b' quark with a mass between 255 and 361 GeV/c^2 is excluded at the 95% confidence level.

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Запись создана 2011-03-16, последняя модификация 2014-01-30

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