tsl200 - r = mv eB • Duration of cycle stays is...

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Cyclotron Purpose: accelerate charged particles to high energy. Low-energy protons are injected at S . Path is bent by magnetic field ~ B . Proton is energized by alternating voltage Δ V between Dee 1 and Dee 2 . Proton picks up energy Δ K = e Δ V during each half cycle. Path spirals out as velocity of particle increases: Radial distance is proportional to velocity:
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Unformatted text preview: r = mv eB . • Duration of cycle stays is independent of r or v : cyclotron period: T = 2 πm eB . • Cyclotron period is synchronized with alternation of accelerating voltage. • High-energy protons exit at perimeter of ~ B-field region. tsl200 – p.1/1...
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