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

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...

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Bibliographic Details
Published in:New journal of physics 2015-05, Vol.17 (5), p.53025
Main Authors: Yoffe, Samuel R, Kravets, Yevgen, Noble, Adam, Jaroszynski, Dino A
Format: Article
Language:English
Subjects:
03.65.Sq
41.60.-m
41.75.-i
Cooling
electromagnetism
Energy distribution
Evolution
High power lasers
Laser beams
Laser cooling
Lasers
Physics
quantum effects
radiation reaction
Reduction
Relativism
Relativistic effects
Relativistic electron beams
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Summary: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.
ISSN:1367-2630
1367-2630
DOI:10.1088/1367-2630/17/5/053025