Search for a Vector-like Quark with Charge 2/3 in $t$ + $Z$ Events from $pp$ Collisions at $\\sqrt{s}=7$ TeV

Chatrchyan, SergueiSergueiChatrchyanYEE HSIUNGPAO-TI CHANGMIN-ZU WANGKAI-FENG CHENYUAN-HUEI CHANG2018-09-102018-09-102011-09http://inspirehep.net/record/928282http://scholars.lib.ntu.edu.tw/handle/123456789/364374Search for a Vector-like Quark with Charge 2/3 in $t$ + $Z$ Events from $pp$ Collisions at $\\sqrt{s}=7$ TeVjournal article10.1103/PhysRevLett.107.271802