@article{articled859ebf5,
title   = {Search for pair production of a new b′ quark that decays into a Z boson and a bottom quark with the ATLAS detector},
author = {Aad, G and Donadelli, Marisilvia and Leite, Marco Aurelio Lisboa},
year = {2012},
doi = {10.1103/PhysRevLett.109.071801},
journal   = {Physical Review Letters}
}