ATLAS sees first direct evidence of light-by-light scattering at high energy
Monday, August 14, 2017 - 14:22
in Physics & Chemistry
Physicists from the ATLAS experiment have found the first direct evidence of high energy light-by-light scattering, a very rare process in which two photons – particles of light – interact and change direction. The result confirms one of the oldest predictions of quantum electrodynamics (QED).