Aaltonen, T; Gonzalez, BA; Amerio, S; Amidei, D; Anastassov, A; Annovi, A; Antos, J; ... CDF Collaboration; + view all (2011) Measurement of the Mass Difference between t and (t)over-bar Quarks. PHYS REV LETT , 106 (15) , Article 152001. 10.1103/PhysRevLett.106.152001. Green open access