Physicists Designed an Experiment to Turn Light Into Matter
The positronsthe antiparticle of the electroncould then be accelerated by the lasers electric field to produce a positron beam. Their results arepublishedin Physical Review Letters. The experimental set-up is possible, the release added, at laser intensities that currently exist. An artist’s impression of a pulsar—a rapidly spinning neutron star.Illustration:Olena Shmahalo for NANOGrav The researchers used simulations to test potential experimental set-ups and found a compelling one. The photon-photon collider uses the Breit-Wheeler process to produce matter, meaning it annihilates gamma-rays to produce electron-positron pairs....