Extremely precise measurement of the magnetic moment of a proton | Max-Planck-Gesellschaft https://www.mpg.de/8242689/proton_magnetic_moment
With an extremely precise measurement of the magnetic moment of a proton in a Penning trap, a team headed by K. Blaum of the Max Planck Institute for Nuclear Physics could contribute to finding an asymmetry between matter and antimatter, which causes a surplus of matter in the universe.
difficult measurements: A single proton is stored in the gold-plated