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Search for a heavy top-quark partner in final states with two leptons with the ATLAS detector at the LHC

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

Periodico
JOURNAL OF HIGH ENERGY PHYSICS
Abstract
The results of a search for direct pair production of heavy top-quark partners in 4.7 fb–1 of integrated luminosity from pp collisions at √s = 7 TeV collected by the ATLAS detector at the LHC are reported. Heavy top-quark partners decaying into a top quark and a neutral non-interacting particle are searched for in events with two leptons in the final state. No excess above the Standard Model expectation is observed. Limits are placed on the mass of a supersymmetric scalar top and of a spin-1/2 top-quark partner. A spin-1/2 top-quark partner with a mass between 300 GeV and 480 GeV, decaying to a top quark and a neutral non-interacting particle lighter than 100 GeV, is excluded at 95% confidence level.
DOI
10.1007/JHEP11(2012)094
WOS
WOS:000432122400001
Archivio
http://hdl.handle.net/11390/948212
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84870325111
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metadata only access
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Data di acquisizione
Jun 14, 2022
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Data di acquisizione
Mar 28, 2024
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Data di acquisizione
Apr 19, 2024
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