Lorenza Viola, Dartmouth College (IMAGE) Dartmouth College Caption Dartmouth Professor Lorenza Viola is on the track of an exotic, subatomic particle, whose existence was first predicted 75 years ago. Credit Joseph Mehling 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.