CERN Accelerating science

ATLAS Note
Report number	ATL-PHYS-PROC-2015-091
Title	Searches for leptoquarks and heavy leptons with the ATLAS detector at the LHC
Author(s)	Grancagnolo, Sergio (Institute of Physics, Humboldt University, Berlin)
Corporate Author(s)	The ATLAS collaboration
Publication	2015
Imprint	02 Oct 2015
Number of pages	mult.
In:	PoS EPS-HEP2015 (2015) pp.096
In:	European Physical Society Conference on High Energy Physics 2015, Vienna, Austria, 22 - 29 Jul 2015, pp.096
Subject category	Particle Physics - Experiment
Accelerator/Facility, Experiment	CERN LHC ; ATLAS
Free keywords	heavy leptons ; Majorana neutrinos ; vector-like leptons ; Type-I seesaw ; Type-III seesaw ; mTISM ; left-right symmetric model ; LRSM ; leptoquarks ; LQs ; LQ1 ; LQ2 ; LQ3 ; EXOTICS
Abstract	Searches of vector-like leptons, heavy Majorana neutrinos, and leptoquarks, using the complete $20.3 fb^{-1}$ luminosity sample of $pp$ collisions collected at $8\mathrm{\ Te\kern -0.1em V}$ by the ATLAS detector, are presented in this review. Signatures are based on the number of high-momentum leptons, jets, $b$-tagged jets, and on the missing momentum size. No excess was observed in any channel, and limits are set on cross sections, masses and couplings, extending the coverage from previous studies on the considered models.
Copyright/License	publication: © 2015-2025 The Author(s) (Licenses: CC-BY-NC-ND-4.0, CC-BY-NC-SA-4.0)

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