Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in = 13 TeV collisions with the ATLAS detector
arXiv:1710.04901 · doi:10.1103/PhysRevD.97.052012
Abstract
A search for long-lived, massive particles predicted by many theories beyond the Standard Model is presented. The search targets final states with large missing transverse momentum and at least one high-mass displaced vertex with five or more tracks, and uses 32.8 fb of = 13 TeV collision data collected by the ATLAS detector at the LHC. The observed yield is consistent with the expected background. The results are used to extract 95\% CL exclusion limits on the production of long-lived gluinos with masses up to 2.37 TeV and lifetimes of - ns in a simplified model inspired by Split Supersymmetry.
26 pages plus author list (43 pages total), 10 figures, 2 tables, submitted to PRD, All figures including auxiliary figures are available at https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/SUSY-2016-08/
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