Home2020June29Dynamical Evidence for a Fifth Force Explanation of the ATOMKI Nuclear Anomalies Dynamical Evidence for a Fifth Force Explanation of the ATOMKI Nuclear Anomalies Author By Tim Tait Publication date June 29, 2020 Categories: News Predictions for the decays of He-4 and C-12 into a protophobic X explaining the Be-8 ATOMKI results. Jonathan Feng, TMPT, and Chris Verhaaren PHYSICAL REVIEW D 102, 036016 (2020) [arXiv:2006.01151 [hep-ph]].