Orateur
M.
Ryan Heller
(UC Santa Barbara)
Description
In LHC searches for BSM physics in extreme final states, finding ways to pin background predictions to control samples in data is critical for establishing robust and credible analyses. The variable MJ, the sum of masses of large radius jets, has recently been applied to searches for supersymmetric particles to design data-driven estimates for difficult Standard Model backgrounds that arise due to high-order QCD effects or small tails beyond kinematic cutoffs. Two searches for gluino production in high multiplicity final states using the CMS detector are presented, highlighting their use of MJ to establish control regions in other discriminating variables that closely parallel the kinematics of the search regions. These searches focus on gluino pair production with both R-parity conserving and violating decays to final states with top quarks, with and without missing transverse momentum, many jets, many b-tagged jets, and 0 or 1 leptons. Exclusions on gluino masses in these models are significantly extended, with results presented from 36 fb-1 of pp collisions in the 2016 data sample in the case of the R-parity conserving search, and 2.7 fb-1 from the 2015 sample for the R-parity violating search.
Author
M.
Ryan Heller
(UC Santa Barbara)
