Physics World August 14, 2019
The quantum electrodynamic process of photon–photon scattering has for the first time been confirmed experimentally to a high degree of certainty. CERN’s ATLAS collaboration, which involves hundreds of physicists from around the world, made the breakthrough after analysing a large dataset of candidate scattering events using a neural network. Their discovery could fuel new research into a variety of theories beyond the Standard Model of particle physics. The discoveries of the ATLAS collaboration could inform future studies aiming to confirm and constrain these theories, potentially allowing much-anticipated updates to the Standard Model…read more. Open Access TECHNICAL ARTICLE
Discovery confirmed: researchers at the Large Hadron Collider conclusively detect two photons scattering off each other, following initial evidence first published in 2017. Courtesy: ATLAS Collaboration/CERN