Search for pair-produced resonances decaying to jet pairs in proton-proton collisions at √s = 8 TeV

The CMS Collaboration (2015) Search for pair-produced resonances decaying to jet pairs in proton-proton collisions at √s = 8 TeV. Physics Letters B, B747, 98-119. (doi:10.1016/j.physletb.2015.04.045).

Record type: Article

Abstract

Results are reported of a general search for pair production of heavy resonances decaying to pairs of hadronic jets in events with at least four jets. The study is based on up to 19.4 fb−1 of integrated luminosity from proton–proton collisions at a center-of-mass energy of 8 TeV, recorded with the CMS detector at the LHC. Limits are determined on the production of scalar top quarks (top squarks) in the framework of R-parity violating supersymmetry and on the production of color-octet vector bosons (colorons). First limits at the LHC are placed on top squark production for two scenarios. The first assumes decay to a bottom quark and a light-flavor quark and is excluded for masses between 200 and 385 GeV, and the second assumes decay to a pair of light-flavor quarks and is excluded for masses between 200 and 350 GeV at 95% confidence level. Previous limits on colorons decaying to light-flavor quarks are extended to exclude masses from 200 to 835 GeV.

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