When the Nobel Prize-winning US physicist Robert Hofstadter and his team fired highly energetic electrons at a small vial of hydrogen at the Stanford Linear Accelerator Center in 1956, they opened the ...
Irradiating ammonia—which is made up of one nitrogen and three hydrogens—with ultraviolet light causes one hydrogen to dissociate from the ammonia. SLAC researchers used an ultrafast "electron camera" ...
Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and collaborators have a new way to use data from high-energy particle smashups to peer inside protons. Their ...
Nuclear physicists have used two different methods to measure the proton's electric form factor. But the deeper that they probe inside the proton, the more the results from these two different methods ...
Measuring up: an electron scattering experiment yields a small proton radius. (Courtesy: Jefferson Lab) For nearly a decade the size of the particle that makes up the bulk of the universe’s visible ...
The PRad physics experiment studies how electrons scatter off of protons A scientific tug-of-war is underway over the size of the proton. Scientists can’t agree on how big the subatomic particle is, ...
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