Betatron radiation based measurement of the electron-beam size in a wakefield accelerator

Betatron radiation based measurement of the electron-beam size in a wakefield accelerator

We present a spatial and spectral characterization of a laser-plasma based betatron source which allows us to determine the betatron oscillation amplitude of the electrons which decreases with increasing electron energies. Due to the observed oscillation amplitude and the independently measured x-ra...

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Bibliographische Detailangaben
Hauptverfasser: Schnell, Michael, Saevert, Alexander, Reuter, Maria
Format: Tagungsbericht
Sprache:eng
Schlagworte:
BEAM BUNCHING
BEAM PRODUCTION
BEAM PROFILES
BETATRON OSCILLATIONS
BETATRONS
ELECTRON BEAMS
ENERGY DEPENDENCE
LASERS
PARTICLE ACCELERATORS
PLASMA
PLASMA GUNS
WAKEFIELD ACCELERATORS
X-RAY SOURCES
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Beschreibung
Zusammenfassung:We present a spatial and spectral characterization of a laser-plasma based betatron source which allows us to determine the betatron oscillation amplitude of the electrons which decreases with increasing electron energies. Due to the observed oscillation amplitude and the independently measured x-ray source size of (1.8{+-}0.3){mu}m we are able to estimate the electron bunch diameter to be (1.6{+-}0.3){mu}m.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4736794