Plot of Combined Top Quark Mass Result (IMAGE) DOE/Fermi National Accelerator Laboratory Caption This graph shows data from the four experiments -- ATLAS, CDF, CMS and DZero -- and their combined result, the most precise measurement of the top quark mass ever taken. Credit CERN/Fermilab Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.