Light into matter
2021-08-11 19:24:05.601449+02 by
Dan Lyke
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Physicists Detect Strongest Evidence Yet of Matter Generated by Collisions of Light
Now, physicists at Brookhaven National Laboratory say they've found a way around this stumbling block using the facility's Relativistic Heavy Ion Collider (RHIC) - resulting in a direct observation of the Breit-Wheeler process in action.
"In their paper, Breit and Wheeler already realized this is almost impossible to do," said physicist Zhangbu Xu of Brookhaven Lab.
Physical Review Letters: Measurement of e+e− Momentum and Angular Distributions from Linearly Polarized Photon Collisions
https://doi.org/10.1103/PhysRevLett.127.052302
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