Measurement of event background fluctuations for charged particle jet reconstruction in Pb-Pb collisions at sNN−−−√=2.76TeV - Aamodt, K; Barros, G O V de; Godoy, D A Moreira De; Figueredo, M A S; Carlin Filho, Nelson; Deppman, Airton; Munhoz, Marcelo Gameiro; Suaide, Alexandre Alarcon do Passo; Toledo, A Szanto de (Journal of High Energy Physics, 2012)