Missing No More: Neutrons Join the Data in Nuclear Physics Experiments with Help From a New Detector and Machine Learning Techniques. Https://www.jlab.org/News/Releases/Accessing-Lesser-Known-Nucleon
Thomas Jefferson National Accelerator FacilityProtons and neutrons–known collectively as nucleons–are both the building blocks of matter, but one of these particles has received a bit more attention in certain types of nuclear physics experiments. Until now. New results published in Physical Review Letters describe a first-time direct glimpse of the internal structure of the neutron thanks to the development of a special, 10-years-in-the-making detector installed in Experimental Hall B at Jefferson Lab.