Chatrchyan, S.Khachatryan, V.Sirunyan, A. M.Abdulsalam, A.Dutta, D.Kailas, S.V. KumarMohanty, A. K.Pant, L. M.Shukla, P.Topkar, A.2017-11-012017-11-012017Physics Letters-B, 2017. Vol. 770: pp. 50-71http://hdl.handle.net/123456789/151724152 bytestext/htmlenCMSTop quark physicsMeasurement of the mass difference between top quark and antiquark in pp collisions at √s=8 TeVArticle