Proton-Photon Collision

Proton-Photon Collision

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Credit: OMIKRON/SCIENCE PHOTO LIBRARY

Caption: This image of a proton-photon collision was obtained with a bubble chamber at the Stanford Linear Accelerator Center (SLAC), showing the collision between an hydrogen nucleus (proton) and a high-energy photon. The collision has taken place in the area at center right; the track of the photon is not visible because only charged particles leave tracks in a bubble chamber. Nine particles (in red) are seen branching from the collision site heading towards the bottom of the image. The tight spirals scattered in the frame are electrons whose trajectories are strongly curved by the magnetic field of the bubble chamber. The high-energy photon was produced by allowing SLAC's 2-mile electron beam to strike a target, releasing the photon. Designed as a 20-Bev.

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Keywords: anitmatter, anti-matter, anti-proton, antiproton, atomic particle collider, bubble chamber, charged particle, cloud chamber, color, enhance, enhancement, historic, historical, history, hydrogen bubble chamber, particle, particle accelerator, particle chamber, particle collision, particle detection, particle detector, particle physics, particle track, physics, proton-photon collision, science, slac, stanford linear accelerator, subatomic particle

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