Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in √s=13  TeV ppcollisions with the ATLAS detector

ATLAS Collaboration

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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−1 of √s=13  TeV pp 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% C.L. exclusion limits on the production of long-lived gluinos with masses up to 2.37 TeV and lifetimes of O(10−2)−O(10)  ns in a simplified model inspired by split supersymmetry.
Original languageEnglish
Article number052012
JournalPhysical Review D
Volume97
DOIs
Publication statusPublished - 28 Mar 2018

Bibliographical note

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/

Keywords

  • hep-ex

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