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Search for supersymmetry in events with large missing transverse momentum, jets, and at least one tau lepton in 7 TeV proton-proton collision data with the ATLAS detector

Aad G.
•
Abajyan T.
•
Abbott B.
altro
Zwalinski L.
2012
  • journal article

Periodico
THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
Abstract
A search for supersymmetry (SUSY) in events with large missing transverse momentum, jets, and at least one hadronically decaying τ lepton, with zero or one additional light lepton (e/μ), has been performed using 4.7 fb−1of proton-proton collision data at √s = 7 TeV recorded with the ATLAS detector at the Large Hadron Collider. No excess above the Standard Model background expectation is observed and a 95 % confidence level visible cross-section upper limit for new phenomena is set. In the framework of gauge-mediated SUSY-breaking models, lower limits on the mass scale Λ are set at 54 TeV in the regions where the τ1is the next-to-lightest SUSY particle (tanβ > 20). These limits provide the most stringent tests to date of GMSB models in a large part of the parameter space considered.
DOI
10.1140/epjc/s10052-012-2215-7
WOS
WOS:000312074800017
Archivio
http://hdl.handle.net/11390/948207
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84871249299
Diritti
metadata only access
Scopus© citazioni
21
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
6
Data di acquisizione
Mar 28, 2024
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