@article{article09ccf106, title = {Measurement of underlying event characteristics using charged particles in pp collisions at 'S POT. 1/2'= 900 GeV and 7 TeV with the ATLAS detector}, author = {Aad, G and Donadelli, M and Leite, M A L}, year = {2011}, doi = {10.1103/PhysRevD.83.112001}, journal = {PHYSICAL REVIEW D} }