1. A new anomaly observed in 4He supporting the existence of the hypothetical X17 particle. (December 2020) Authors: Krasznahorkay, A. J.; Csatlós, M.; Csige, L.; Gulyás, J.; Koszta, M.; Szihalmi, B.; Timár, J.; Firak, D.S.; Nagy, Á.; Sas, N.J.; Krasznahorkay, A. Journal: Journal of physics Issue: Volume 1643(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗