Search for neutral octo-triplet scalar particles in the Z+jets channel in proton-proton collisions at sqrt(s) = 8 TeV


A search for pair production of neutral weak-triplet color-octet scalar particles (theta0) is performed in decay modes where one theta0 goes to two b jets and the other to a Z boson plus a jet, where the Z decays to a pair of electrons or muons. The data were collected by the CMS detector at the LHC, corresponding to an integrated luminosity of 19.7 fb-1 of proton-proton collisions atps = 8 TeV. The number of observed events is in good agreement with the standard model prediction. The 95% confidence level upper limit on the cross section times branching fraction, relative to the theoretical expectation, is obtained as a function of theta0 mass. The 95% confidence level lower bounds on the theta0 mass are found to be 623 and 426 GeV, for two different octo-triplet benchmark scenarios.

-- ShoMaruyama - 2014-10-30

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Topic revision: r2 - 2020-08-19 - TWikiAdminUser
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