149Lu proton decay (IMAGE) University of Jyväskylä - Jyväskylän yliopisto Caption Artist's impression of the decay of a 149Lu nucleus into a 148Yb nucleus and a proton. Credit University of Jyväskylä Usage Restrictions Can be used in news and social media postings with picture credit information included. 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.