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.
The beam in an induction accelerator makes a single pass through the machine. The equivalent circuit is a transformer with a single-turn secondary and multiple parallel primary windings. In the betatron, the beam makes many revolutions around the core. The circuit
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