Aad, GeorgesGeorgesAadStathes Paganis et al.2018-09-102018-09-102014http://scholars.lib.ntu.edu.tw/handle/123456789/388458Study of heavy-flavor quarks produced in association with top-quark pairs at $\\sqrts=7$  TeV using the ATLAS detectorjournal article10.1103/PhysRevD.89.072012