Professor Ed Copeland discusses research into the so-called X17 particle. More videos with Ed: http://bit.ly/EdCopeland More links, clarifications and info below ↓ ↓ ↓ Professor Ed Copeland is based at the University of Nottingham... https://www.nottingham.ac.uk/physics/people/ed.copeland Long interviews with Ed: http://bit.ly/CopelandGoesLong Periodic Videos - see videos about every element from our sister channel: http://bit.ly/118elements Corrections from Ed: "Around 4'40" saying the X17 particle came out with low momentum, I meant low velocity. Later on I said the X particle interacts differently with electrons compared to protons. I meant neutrons and not electrons but I said it right just after that." Some academic papers relevant to this video... Observation of Anomalous Internal Pair Creation in Be: A Possible Signature of a Light, Neutral Boson - https://arxiv.org/abs/1504.01527 Protophobic Fifth Force Interpretation of the Observed Anomaly in Be Nuclear Transitions - https://arxiv.org/abs/1604.07411 New evidence supporting the existence of the hypothetic X17 particle - https://arxiv.org/abs/1910.10459v1 Visit our website at http://www.sixtysymbols.com/ We're on Facebook at http://www.facebook.com/sixtysymbols And Twitter at http://twitter.com/sixtysymbols This project features scientists from The University of Nottingham http://bit.ly/NottsPhysics Patreon: https://www.patreon.com/sixtysymbols Sixty Symbols videos by Brady Haran http://www.bradyharanblog.com/ Email list: http://eepurl.com/YdjL9