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Emittance self-comp...
Emittance self-compensation in blow-out mode
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- Shamuilov, Georgii (författare)
- Uppsala universitet,FREIA
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- Opanasenko, Anatoliy (författare)
- NSC/KIPT
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- Pepitone, Kevin, Dr, 1988- (författare)
- Uppsala universitet,FREIA
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- Tibai, Zoltán (författare)
- Institute of Physics, University of Pécs
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- Goryashko, Vitaliy, 1982- (författare)
- Uppsala universitet,FREIA
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(creator_code:org_t)
- 2022-12-12
- 2022
- Engelska.
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Ingår i: New Journal of Physics. - : Institute of Physics (IOP). - 1367-2630. ; 24
- Relaterad länk:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We report an unusual regime of emittance self-compensation in an electron bunch generated in the blow-out mode by a radio-frequency photocathode gun. This regime is observed for a strong space-charge field on the cathode reaching around 30%-35% of the accelerating field. Simulations clearly show an initial growth and a subsequent self-compensation of projected emittance in a divergent electron bunch originating from the effects of: (a) strong space-charge forces of mirror charges on the cathode, (b) an energy chirp in the bunch and (c) substantial re-shaping of the electron bunch. Furthermore, we show analytically and numerically how a complex interplay between these effects leads to emittance self-compensation at the gun exit-the effect that is normally observed only in the presence of focusing fields.
Ämnesord
- NATURVETENSKAP -- Fysik -- Acceleratorfysik och instrumentering (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Accelerator Physics and Instrumentation (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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