Blowouts and Increase of Plasma Electrons in Beam-Driven Plasma Wakefield Accelerators

L.G. Garba, Y.Y. IBRAHIM


The nonlinear blowout regime of the plasma Wakefield acceleration has been the subject of considerable interest due to its potential use as a next accelerator generation in high energy Physics. Much of the analytical work and simulations in this regime has been restricted to scenarios of cold background plasma in one dimension. This paper addresses the phenomenon of hot Plasma in two dimensions. We simulate beam-driven plasma Wakefield using object oriented particle-in-cell (OOPIC) code. The number density of the electron bunch was considered to be greater than the plasma density and so all of the Plasma electrons were expelled from the axis, which causes blowout of the plasma electrons. It is found that at a position where the blown out electrons return to the axis, the electron Plasma density was increased by almost 2 orders of magnitude, which further creates a strong spike in the electric field component Ez within the tail of the electron beam. These blowouts remain static throughout the simulation period.

Key Words: Beam-driven plasma wave, OOPIC and Plasma Wakefield Accelerators.

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ISSN (Paper)2224-719X ISSN (Online)2225-0638

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