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Search for flavour-changing neutral current top-quark decays to $$arvecqZ$$ q Z in $$arvecpp$$ p p collision data collected with the ATLAS detector at $$arvecsqrts=8$$ s = 8 TeV

Aad, G.
•
Abbott, B.
•
Abdallah, J.
altro
Atlas Collaboration
2016
  • journal article

Periodico
THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
Abstract
A search for the flavour-changing neutral-current decay t→qZ is presented. Data collected by the ATLAS detector during 2012 from proton–proton collisions at the Large Hadron Collider at a centre-of-mass energy of √s=8 TeV, corresponding to an integrated luminosity of 20.3 fb-1, are analysed. Top-quark pair-production events with one top quark decaying through the t→qZ (q=u,c) channel and the other through the dominant Standard Model mode t→bW are considered as signal. Only the decays of the Z boson to charged leptons and leptonic W boson decays are used. No evidence for a signal is found and an observed (expected) upper limit on the t→qZ branching ratio of 7×10-4 (8×10-4) is set at the 95 % confidence level
DOI
10.1140/epjc/s10052-015-3851-5
WOS
WOS:000367813200001
Archivio
http://hdl.handle.net/11390/1109792
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84954529072
Diritti
metadata only access
Scopus© citazioni
24
Data di acquisizione
Jun 7, 2022
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Web of Science© citazioni
18
Data di acquisizione
Mar 28, 2024
Visualizzazioni
3
Data di acquisizione
Apr 19, 2024
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