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High Brightness Electron Beam Diagnostics and their ... - CASA

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Figure6.16:Phasespacedistortionduetochromaticaberrationatthedecompressorchicaneexit<br />

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(D)<br />

acceleratingphasesincewewillattempttomeasurethetransversehorizontalemittanceversusthe linacgangphase9.Thesimulationswereperformedwithparmela;<strong>and</strong>theresultsshowingthe (topplots)<strong>and</strong>thearc1exit(bottomplots).<br />

dependenceofthebeamparametersversusthelinacphasearepresentedingure6.18;thelinac 6.4.2RF-eects Inthehighenergyregion,wehaveinvestigatedthechangeinparametersduetovariationof<br />

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energyduringthesesimulationswassetto38MeV<strong>and</strong>thegangphasethatprovideminimum<br />

Thegeneralclassofeectsthatcanleadtoenergyspreadarebunchselfinteractionviaselfeld atthelinacexitdonotdependontheacceleratingphase. 6.4.3EnergySpreadinducedinaDispersiveregion bunchlengthattheundulatorlocationis'9:5deg.Bothhorizontal<strong>and</strong>verticalemittances<br />

radiation).WehavealreadybrieyconsideredlongitudinalwakeeldattheendofChapter5<strong>and</strong> (spacecharge)orradiationeld(wakeeldduetovacuumchamberirregularities,synchrotron 9AreminderthatinAppendixDweprovideaschematicsoftheRF-controlsystem<br />

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