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Measurement of the tt ̄Z and tt ̄W production cross sections in multilepton final states using 3.2 fb -1 of pp collisions at √s = 13 TeV with the ATLAS detector

Aaboud, M.
•
Aad, G.
•
Abbott, B.
altro
GIORDANI, Mario
2017
  • journal article

Periodico
THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
Abstract
A measurement of the tt ̄ Z and tt ̄ W production cross sections in final states with either two same-charge muons, or three or four leptons (electrons or muons) is presented. The analysis uses a data sample of proton–proton collisions at s=13 TeV recorded with the ATLAS detector at the Large Hadron Collider in 2015, corresponding to a total integrated luminosity of 3.2 fb- 1. The inclusive cross sections are extracted using likelihood fits to signal and control regions, resulting in σtt ̄Z= 0.9 ± 0.3 pb and σtt ̄W= 1.5 ± 0.8 pb, in agreement with the Standard Model predictions.
DOI
10.1140/epjc/s10052-016-4574-y
WOS
WOS:000393665500001
Archivio
http://hdl.handle.net/11390/1109724
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85011866957
Diritti
metadata only access
Scopus© citazioni
41
Data di acquisizione
Jun 7, 2022
Vedi dettagli
Web of Science© citazioni
19
Data di acquisizione
Mar 28, 2024
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