High Energy Physics Seminars

With the successful discovery of the standard model (SM) Higgs boson in 2012, the emphasis of the LHC physics program has shifted to understanding its properties and searching for new physics beyond the SM (BSM). Among other fascinating physics avenues at the LHC, the search for BSM physics has been the center of my interests.

The BSM physics may lie hidden in the extension of the strong sector or the uncover territory of R-parity Violating Supersymmetry (RPV SUSY). I will present the current searches for the BSM physics in multijet final states — 8 and 10 jets — predicted by three benchmark models — Coloron, Axigluon, and Gluino (RPV SUSY). The data sample, corresponding to an integrated luminosity of 19.7 fb^{-1} of proton-proton collisions at a center-of-mass energy of 8 TeV,  was collected with the CMS experiment during 2012. I will further discuss about the techniques used in the multijet background estimation. What are the weaknesses and strengths of these methods and in which direction I am pursuing the BSM physics in multijet final states at the CMS experiment.