Aad, GeorgesGeorgesAadStathes Paganis et al.2018-09-102018-09-102015http://scholars.lib.ntu.edu.tw/handle/123456789/394380Search for a Heavy Neutral Particle Decaying to $eμ$, $eτ$, or $μτ$ in $pp$ Collisions at $\\sqrts=8$ TeV with the ATLAS Detectorjournal article10.1103/PhysRevLett.115.031801