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Search for pair production of first or second generation leptoquarks in proton-proton collisions at √s=7 TeV using the ATLAS detector at the LHC

Aad G.
•
Abbott B.
•
Abdallah J.
altro
Zwalinski L.
2011
  • journal article

Periodico
PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY
Abstract
This paper describes searches for the pair production of first or second generation scalar leptoquarks using 35pb-1 of proton-proton collision data recorded by the ATLAS detector at √s=7TeV. Leptoquarks are searched in events with two oppositely-charged muons or electrons and at least two jets, and in events with one muon or electron, missing transverse momentum and at least two jets. After event selection, the observed yields are consistent with the predicted backgrounds. Leptoquark production is excluded at the 95 CL for masses MLQ<376 (319) GeV and MLQ<422 (362) GeV for first and second generation scalar leptoquarks, respectively, when assuming the branching fraction of a leptoquark to a charged lepton is equal to 1.0 (0.5).
DOI
10.1103/PhysRevD.83.112006
WOS
WOS:000291658800002
Archivio
http://hdl.handle.net/11390/696863
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-79960830731
Diritti
open access
Scopus© citazioni
25
Data di acquisizione
Jun 7, 2022
Vedi dettagli
Web of Science© citazioni
9
Data di acquisizione
Mar 18, 2024
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