2012

A search for flavour changing neutral currents in top-quark decays in pp collision data collected with the ATLAS detector at sqrt(s) = 7 TeV

ATLAS Collaboration

Understand

A search for flavour changing neutral current (FCNC) processes in top-quark decays by the ATLAS Collaboration is presented.

Data collected from pp collisions at the LHC at a centre-of-mass energy of sqrt(s) = 7 TeV during 2011, corresponding to an integrated luminosity of 2.1 fb^-1, were used.
A search was performed for top-quark pair-production events, with one top quark decaying through the t->Zq FCNC (q=u,c) channel, and the other through the Standard Model dominant mode t->Wb.
Only the decays of the Z boson to charged leptons and leptonic W-boson decays were considered as signal.

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