Longitudinal and transverse cooling of relativistic electron beams in intense laser pulses

Abstract

With the emergence in the next few years of a new breed of high power laser facilities, it is becoming increasingly important to understand how interacting with intense laser pulses affects the bulk properties of a relativistic electron beam. A detailed analysis of the radiative cooling of electrons indicates that, classically, equal contributions to the phase space contraction occur in the transverse and longitudinal directions. In the weakly quantum regime, in addition to an overall reduction in beam cooling, this symmetry is broken, leading to significantly less cooling in the longitudinal than the transverse directions. By introducing an efficient new technique for studying the evolution of a particle distribution, we demonstrate the quantum reduction in beam cooling, and find that it depends on the distribution of energy in the laser pulse, rather than just the total energy as in the classical case.

arXiv comment19 pages, 5 figures. arXiv admin note: text overlap with arXiv:1410.1759

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• Quantum radiation reaction in head-on laser-electron beam interaction
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• Quantum quenching of radiation losses in short laser pulses
• Reaching supercritical field strengths with intense lasers
• Electron - positron cascades in multiple-laser optical traps
• Resummation of quantum radiation reaction in plane waves
• In Situ Characterization of Ultraintense Laser Pulses
• Stochasticity in radiative polarization of ultrarelativistic electrons in an ultrastrong laser pulse
• Radiation Reaction near the Classical Limit in Aligned Crystals
• Particle dynamics and spatial $e^{-}{e}^{+}$ density structures at QED cascading in circularly polarized standing waves
• Thomson scattering in high-intensity chirped laser pulses
• Analytical Infrared Limit of Nonlinear Thomson Scattering Including Radiation Reaction
• Radiation rebound and Quantum Splash in Electron-Laser Collision
• Are we ready to transfer optical light to gamma-rays?
• Realising Single-Shot Measurements of Quantum Radiation Reaction in High-Intensity Lasers
• Analytical spectrum of nonlinear Thomson scattering including radiation reaction
• Quantum-stochasticity-induced asymmetry in angular distribution of electrons in a quasi-classical regime
• The Dynamics of Compact Laser Pulses
• Cooling of relativistic electron beams in chirped laser pulses
• Effect of electron-beam energy chirp on signatures of radiation reaction in laser-based experiments
• Novel Signatures of Radiation Reaction in Electron-Laser Sidescattering
• Radiation Reaction Enhancement in Flying Focus Pulses