EPJ Web of Conferences
Volume 28, 2012Hadron Collider Physics Symposium, 2011
|Number of page(s)||3|
|Published online||06 June 2012|
Search for flavor-changing neutral currents in top quark decays at ATLAS
University of Illinois at Urbana-Champaign
a e-mail: firstname.lastname@example.org
ATLAS results are presented on a search for flavor-changing neutral currents (FCNC) in top quark decays at the LHC. Events are searched for where a pair of top quarks is produced and one decays through the Standard Model t → Wb mode while the other decays through the FCNC mode t → qZ. Leptonic final states are used in which both the W– and Z-bosons decay leptonically, yielding final states with three leptons and two jets. The observed events are consistent with the expected backgrounds from Drell-Yan and diboson production and a limit on the FCNC branching ratio of top quarks to qZ is set.
© Owned by the authors, published by EDP Sciences, 2012
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