An Introduction to the Ion-Optics of Magnet Spectrometers
An Introduction to the Ion-Optics of Magnet Spectrometers
An Introduction to the Ion-Optics of Magnet Spectrometers
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Increase <strong>of</strong> Emittance ε<br />
due <strong>to</strong> degrader<br />
Focus<br />
for back-<strong>of</strong>-<strong>the</strong>-envelop discussions!<br />
A degrader / target increases <strong>the</strong><br />
emittance ε due <strong>to</strong> multiple scattering.<br />
The emittance growth is minimal when<br />
<strong>the</strong> degrader in positioned in a focus<br />
As can be seen from <strong>the</strong> schematic<br />
drawing <strong>of</strong> <strong>the</strong> horizontal x-Theta<br />
Phase space.
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