G. Aad, B. Abbott, J. Abdallah, S. Abdel Khalek, O. Abdinov, K. Augsten, P. Gallus, J. Günther, J. Jakůbek, Z. Kohout et al.: Search for microscopic black holes and string balls in final states with leptons and jets with the ATLAS detector at root s=8 TeV. Journal of High Energy Physics 2014(8), 103 (2014). doi:10.1007/JHEP08(2014)103