Aad, GeorgesGeorgesAadStathes Paganis et al.2018-09-102018-09-102011http://scholars.lib.ntu.edu.tw/handle/123456789/366141Search for a heavy particle decaying into an electron and a muon with the ATLAS detector in $\\sqrts=7$ TeV $pp$ collisions at the LHCjournal article10.1103/PhysRevLett.106.251801