The innovation is the use of only a laser for electron–photon collisions, in which a multi-PW laser is applied both for particle acceleration and for collision (also called an all-optical setup).

Electron–proton collisions Study reveals importance of entanglement entropy. (Courtesy: Kevin Coughlin/Brookhaven National Laboratory) An international team of physicists has used the principle of ...

The inverse of this process occurs when two electrons are liberated by a single photon. These processes tell us about ... He probes the dynamics and associated structural aspects of collisions between ...

"Probing these transient, fast-moving, nanoscale clusters is a challenge," said Matthias Ihme, a professor of photon science at ... recent advances in X-ray free electron lasers allowed Ihme ...