The proposed method involves colliding two photons — the massless particles of light — that have extremely high energies to transform them into two particles with mass, and researchers in the past have been able to prove that it works. But in replicating that old method, known as Breit–Wheeler pair production, they had to introduce particles that did have mass into the process. Imperial College London researchers, however, say that its now possible to create a collider that only includes photons. Theoretical for now, but possible with existing technologyThe researchers photon–photon collider, which theyre describing in a paper thats being published today in Nature Photonics, works by firing high-energy photons into a field of photons emitted as blackbody radiation. What happens in the collider is a matter of Einsteins famous formula at play.
Scientists propose collider that could turn light into matter
19
May
2014
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