Two independent studies have illuminated unexpected substructures in the fundamental components of all matter. Preliminary results using a novel tagging method could explain the origin of the ...

Electron source: MARATHON runs off the Continuous Electron Beam Accelerator Facility at the Thomas Jefferson National Accelerator Facility. (Courtsy: Jefferson Lab) The internal structures of nuclei ...

Nucleons, which include protons and neutrons, are the composite particles that make up atomic nuclei. While these particles have been widely studied in the past, their internal structure has not yet ...

A study of bound protons and neutrons conducted at the Department of Energy's Thomas Jefferson National Accelerator Facility has allowed scientists, for the first time, to extract information through ...