G. Aad, B. Abbott, J. Abdallah, S. Abdel Khalek, A. A. Abdelalim, K. Augsten, T. Holý, Z. Hubáček, J. Jakůbek, Z. Kohout et al.: A search for flavour changing neutral currents in top-quark decays in pp collision data collected with the ATLAS detector at root s=7 TeV. Journal of High Energy Physics 2012(9), 139 (2012). doi:10.1007/JHEP09(2012)139