Transcription of Betatrons - MIT
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Betatrons32611 BetatronsThe betatron [ Kerst, Phys. , 841 (1940)] is a circular induction accelerator usedfor electron acceleration. The word betatron derives from the fact that high-energy electrons areoften called$-particles. Like the linear induction accelerator, the betatron is the circuitequivalent of a step-up transformer. The main difference from the linear induction accelerator isthat magnetic bending and focusing fields are added to confine electrons to circular orbits aroundthe isolation core. The beam acts as a multi-turn secondary. A single-pulsed power modulatoroperating at a few kilovolts drives the input; the output beam energy may exceed 100 MeV.
The beam acts as a multi-turn secondary. A single-pulsed power modulator operating at a few kilovolts drives the input; the output beam energy may exceed 100 MeV. The maximum electron kinetic energy achieved by betatrons is about 300 MeV. The energy limit is
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