en
Scientific article
Open access
English

Search for squarks and gluinos in final states with hadronically decaying τ-leptons, jets, and missing transverse momentum using pp collisions at √s = 13 TeV with the ATLAS detector

ContributorsATLAS Collaboration
Published inPhysical Review. D, vol. 99, no. 1
Collection
  • Open Access - SCOAP3
Publication date2019
Abstract

A search for supersymmetry in events with large missing transverse momentum, jets, and at least one hadronically decaying τ-lepton is presented. Two exclusive final states with either exactly one or at least two τ-leptons are considered. The analysis is based on proton-proton collisions at s=13 TeV corresponding to an integrated luminosity of 36.1 fb−1 delivered by the Large Hadron Collider and recorded by the ATLAS detector in 2015 and 2016. No significant excess is observed over the Standard Model expectation. At 95% confidence level, model-independent upper limits on the cross section are set and exclusion limits are provided for two signal scenarios: a simplified model of gluino pair production with τ-rich cascade decays, and a model with gauge-mediated supersymmetry breaking (GMSB). In the simplified model, gluino masses up to 2000 GeV are excluded for low values of the mass of the lightest supersymmetric particle (LSP), while LSP masses up to 1000 GeV are excluded for gluino masses around 1400 GeV. In the GMSB model, values of the supersymmetry-breaking scale are excluded below 110 TeV for all values of tanβ in the range 2≤tanβ≤60, and below 120 TeV for tanβ>30.

Citation (ISO format)
ATLAS Collaboration. Search for squarks and gluinos in final states with hadronically decaying τ-leptons, jets, and missing transverse momentum using pp collisions at √s = 13 TeV with the ATLAS detector. In: Physical Review. D, 2019, vol. 99, n° 1. doi: 10.1103/PhysRevD.99.012009
Main files (1)
Article (Published version)
Identifiers
ISSN of the journal0556-2821
339views
88downloads

Technical informations

Creation02/07/2019 10:39:50 AM
First validation02/07/2019 10:39:50 AM
Update time03/15/2023 3:41:02 PM
Status update03/15/2023 3:41:02 PM
Last indexation02/12/2024 11:38:07 AM
All rights reserved by Archive ouverte UNIGE and the University of GenevaunigeBlack