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Berlin 2014 – scientific programme

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P: Fachverband Plasmaphysik

P 14: Poster Session - Theory and Modelling

P 14.18: Poster

Tuesday, March 18, 2014, 16:30–18:30, SPA Foyer

Laser Plasma Acceleration: amplification of a laser induced plasma wave and electron trapping — •Saltanat Sadykova1, Anri Rukhadze2, Stepan Andreev2, and Paul Gibbon11Forschungszentrum Jülich - Jülich Supercomputing Centre (JSC) — 2Prokhorov General Physics Institute, Russian Academy of Sciences, Vavilov Street 38, Moscow, 119991, Russia

The idea to accelerate the charged particles in a plasma medium using collective plasma fields belongs to Budker, Veksler, and Fainberg. Later on, another acceleration schemes were proposed including the laser plasma acceleration. In our earlier work we studied the possibility of employment of ultrarelativistic monoenergetic electron and proton bunches for generation of high plasma wakefields in dense plasmas due to Cherenkov resonance plasma- bunch interaction. We estimated various paramaters at which the maximum amplitude can be generated at the given plasma and bunch parameters [1]. In our present work, we discuss another scheme of amplification of a plasma wave using a laser at the qualitative level. Namely, we make an estimation of plasma, injected electron bunch parameters, maximum amplitude of the generated electric field, determine condition for the electron trapping by the laser-induced plasma wave at which the maximum electron acceleration energy can be gained. As the basis parameters we use those set in plasma acceleration experiment at SPARC_LAB facility of INFN-LNF, Frascati, Italy, with external electron Injection [2]. [1] A. A. Rukhadze and S. P. Sadykova, Phys. Rev. ST Accel. Beams 15, 041302 (2012) [2] A. R. Rossi, et al.,Proceedings of IPAC2012, WEEPPB002

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