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

, The ATLAS collaboration (2018) 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. Physical Review D, 97 (5). ISSN 1550-7998

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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.

Item Type:
Journal Article
Journal or Publication Title:
Physical Review D
ID Code:
126626
Deposited By:
Deposited On:
30 Jul 2018 09:50
Refereed?:
Yes
Published?:
Published
Last Modified:
12 Jan 2021 06:33