Anticyclotron at CERN

Anticyclotron at CERN

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This image is part of the feature Science Creates First Antiatom


Caption: Anticyclotron. View of an 'anticyclotron' used to slow down fast-moving subatomic particles. A normal cyclotron accelerates charged particles, such as electrons and protons, by allowing them to follow progressively larger circular paths and giving them 'kicks' of energy. This device has been arranged so that fast-moving antiprotons entering the machine can be gradually decelerated so that they bunch together near its centre (left). There, the antiprotons collide with hydrogen atoms, displacing their electrons and forming protonium atoms (a proton and antiproton orbiting each other). This device is at CERN, the European particle physics lab near Geneva.

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Keywords: accelerator, anticyclotron, antihydrogen, antimatter research, cern, cyclotro, cyclotron, decelerating type, european centre for, nuclear research, particle decelerator, particle physics laboratory

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