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Search for squarks and gluinos in events with hadronically decaying tau leptons, jets and missing transverse momentum in proton-proton collisions at sv = 13 TeV recorded with the ATLAS detector

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Version 2 2023-06-13, 15:02
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journal contribution
posted on 2023-06-13, 15:02 authored by Fabrizio SalvatoreFabrizio Salvatore, Antonella De SantoAntonella De Santo, Iacopo Vivarelli, Alessandro CerriAlessandro Cerri, Lily AsquithLily Asquith, K Suruliz, Mark SuttonMark Sutton, Benedict AllbrookeBenedict Allbrooke, C A Chavez Barajas, I Santoyo Castillo, et al. The ATLAS collaboration
A search for supersymmetry in events with large missing transverse momentum, jets, and at least one hadronically decaying tau lepton has been performed using 3.2 fb-1 of proton-proton collision data at sv=13 TeV recorded by the ATLAS detector at the Large Hadron Collider in 2015. Two exclusive final states are considered, with either exactly one or at least two tau leptons. No excess over the Standard Model prediction is observed in the data. Results are interpreted in the context of gauge-mediated supersymmetry breaking and a simplified model of gluino pair production with tau-rich cascade decays, substantially improving on previous limits. In the GMSB model considered, supersymmetry-breaking scale (?) values below 92 TeV are excluded at the 95% confidence level, corresponding to gluino masses below 2000 GeV. For large values of tanß, values of ? up to 107 TeV and gluino masses up to 2300 GeV are excluded. In the simplified model, gluino masses are excluded up to 1570 GeV for neutralino masses around 100 GeV. Neutralino masses up to 700 GeV are excluded for all gluino masses between 800 GeV and 1500 GeV, while the strongest exclusion of 750 GeV is achieved for gluino masses around 1400 GeV.

History

Publication status

  • Published

File Version

  • Published version

Journal

EPJ direct

ISSN

1435-3725

Publisher

Springer Verlag

Issue

12

Volume

76

Article number

a683

Department affiliated with

  • Physics and Astronomy Publications

Research groups affiliated with

  • Experimental Particle Physics Research Group Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2016-11-07

First Open Access (FOA) Date

2016-11-07

First Compliant Deposit (FCD) Date

2016-11-07

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