Long-term evolution of broken wakefields in finite radius plasmas

Abstract

A novel effect of fast heating and charging a finite-radius plasma is discovered in the context of plasma wakefield acceleration. As the plasma wave breaks, the most of its energy is transferred to plasma electrons which create strong charge-separation electric field and azimuthal magnetic field around the plasma. The slowly varying field structure is preserved for hundreds of wakefield periods and contains (together with hot electrons) up to 80% of the initial wakefield energy.

5 pages, 6 figures

References in corpus (3)

• Ion acceleration by superintense laser-plasma interaction
• Femtosecond x rays from laser-plasma accelerators
• Excitation of two-dimensional plasma wakefields by trains of equidistant particle bunches

Cited by in corpus (12)

• Path to AWAKE: Evolution of the concept
• Physics of beam self-modulation in plasma wakefield accelerators
• Dissipation of electron-beam-driven plasma wakes
• Non-linear Ion-Wake Excitation by the Time-Asymmetric Electron Wakefields of Intense Energy Sources with applications to the Crunch-in regime
• Effect of beam emittance on self-modulation of long beams in plasma wakefield accelerators
• Ion dynamics driven by a strongly nonlinear plasma wake
• Response of narrow cylindrical plasmas to dense charged particle beams
• First fully kinetic three-dimensional simulation of the AWAKE baseline scenario
• Wakefield decay in a radially bounded plasma due to formation of electron halo
• Proton beam self-modulation seeded by electron bunch in plasma with density ramp
• Seeding of the Self-Modulation in a Long Proton Bunch by Charge Cancellation with a Short Electron Bunch
• Experimental study of extended timescale dynamics of a plasma wakefield driven by a self-modulated proton bunch