NOvA data (IMAGE) DOE/Fermi National Accelerator Laboratory Caption Probability distributions for the value of the larger neutrino mass squared splitting from NOvA data when antineutrino measurements at nuclear reactors are included. The normal (blue) mass ordering is preferred over the inverted (red) one by a factor of 7:1. Credit Credit: NOvA Collaboration Usage Restrictions None License Original 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.