Aad, G., Abbott, B., Abdallah, J., Arık, M., Istin, S., Özcan, V.E., et al., "Search for Pair Production of a New Heavy Quark that Decays into a W Boson and a Light Quark in pp Collisions at Root s=8 TeV with the ATLAS Detector", Physical Review D, 92, 11, 2015.