Aad, GeorgesGeorgesAadStathes Paganis et al.2018-09-102018-09-102015http://scholars.lib.ntu.edu.tw/handle/123456789/394411Search for production of vector-like quark pairs and of four top quarks in the lepton-plus-jets final state in $pp$ collisions at $\\sqrts=8$ TeV with the ATLAS detectorjournal article10.1007/JHEP08(2015)105