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Cyclotron

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About 1 pages (92 words)
Cyclotron Summary

Particle accelerator that accelerates charged atomic or subatomic particles in a constant magnetic field. It consists of two hollow semicircular electrodes, called dees, in a large evacuated cylindrical box.

An alternating electric field between the dees continuously accelerates the particles from one dee to the other, while the magnetic field guides them in a circular path. As the speed of the particles increases, so does the radius of their path, and the particles spiral outward. In this manner, a cyclotron can accelerate protons to energies of up to 25 million electron volts.

This is the complete article, containing 92 words (approx. 1 page at 300 words per page).

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    Cyclotron from Encyclopedia Brittanica. ©2009 Encyclopedia Brittanica. All rights reserved.

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