Electron acceleration in laser wakefield experiment at Ecole Polytechnique
- Dorchies, F.
- Amiranoff, François
- Baton, S.
- Bernard , D.
- Cros, B.
- Descamps, D.
- Jacquet, F.
- Malka, Victor
- Marquès, J. R.
- Matthieussent, G.
- MINÉ, Ph.
- Modena, A.
- Mora, P.
- Morillo, Joseph
- Najmudin, Z.
- Solodov, A.
DOIAbstract
International audienceAn experiment has been performed with the LULI Multi-TeraWatt Laser. The acceleration of electrons injected in a plasma wave generated by the laser wakefield mechanism has been observed with a maximum energy gain of 1.5 MeV. It has been shown that the electrons deflected during the interaction, could scatter on the walls of the experimental chamber, and fake a high-energy signal. A special effort has been given in the electron detection to separate the accelerated electrons signal from the background noise.The experimental results agree with theoretical predictions and numerical simulations when 3D effects on the electron beam are taken into accoun
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