Poznańskie Laboratorium Radiowęglowe - AMS machine

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AMS MACHINE - ANALYSING MAGNET

Analysing magnet separates beams of different masses from one another. Carbon ions ¹⁴C⁺, ¹³C⁺, and ¹²C⁺, coming from the accelerator, are sent to different directions into the drift tube.

Analysing magnet. At the right-hand edge, note the high energy end of the accelerator

Magnetic field acts on charged particle with a force perpendicular to the particle velocity. This bends the particle trajectory. The bending radius depends on particle mass - it is larger for heavier particles.

The bending radius also depends on particle kinetic energy - it is larger for faster particles. That rule was utilised in the mechanism of sequenced injection.

Animation to the right: beam paths of carbon ions in the analysing magnet

Three stages of the analysing magnet assembly. Left: upper shoe, upper coil and vacuum chamber removed, to adjust the magnet position. Center: vacuum chamber assembled. Right: whole magnet assembled

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