Particle tracks in bubble chamber

This image is part of the feature 50 Years Of Cern Physics

Credit: CERN/SCIENCE PHOTO LIBRARY

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Caption: Bubble chamber particle tracks. Coloured bubble chamber view of an electromagnetic shower (centre). This has been produced by a muon neutrino (entering from the left) interacting with a neutron at the border of the large circle. The tracks are caused by particles moving through superheated liquid, which will not boil until it is disturbed. The passage of sub-atomic particles provides this disturbance, and they leave tracks of minute bubbles in their wake. These tracks can be photographed and studied. The "electromagnetic shower" occurs when by-products of the interaction disturb the surrounding liquid. Data from the Big European Bubble Chamber (BEBC) at CERN.

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Keywords: bebc, bubble, bubble chamber, cern, image, muon neutrino, neutrino, neutrino event, neutrino interaction, neutron, particle physics, particle tracks, photo, tracks

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