Addendum to ‘Measurement of the tt¯tt¯ production cross-section using eμeμ events with b-tagged jets in pp collisions at s√s = 7 and 8 TeVTeV with the ATLAS detector’

BARBERIS, DARIO;COCCARO, ANDREA;FAVARETO, ANDREA;FERRETTO PARODI, ANDREA;GAGLIARDI, GUIDO;OSCULATI, BIANCA MARIA;PARODI, FABRIZIO;PASSAGGIO, STEFANO;