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

M Aaboud, G Aad, B. Abbott, O Abdinov, B Abeloos, S. H. Abidi, Torsten Åkesson, Simona Bocchetta, Caterina Doglioni, Vincent Hedberg, Göran Jarlskog, Charles Kalderon, Edgar Kellermann, Else Lytken, Katja Mankinen, Ulf Mjörnmark, Ruth Pöttgen, Trine Poulsen, Oxana Smirnova, Oleksandr ViazloATLAS Collaboration

Research output: Contribution to journalArticlepeer-review

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. © 2018 CERN.
Original languageEnglish
Article number052012
JournalPhysical Review D
Volume97
Issue number5
DOIs
Publication statusPublished - 2018 Mar 28

Bibliographical note

Export Date: 13 April 2018

Subject classification (UKÄ)

  • Subatomic Physics

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