Pair creation in QED-strong pulsed laser fields interacting with electron beams

QED effects are known to occur in a strong laser pulse interaction with a counterpropagating electron beam, among these effects being electron-positron pair creation. We discuss the range of laser pulse intensities of J≥5×10(22) W/cm2 combined with electron beam energies of tens of GeV. In this regi...

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Bibliographic Details
Published in:Physical review letters 2010-11, Vol.105 (19), p.195005-195005, Article 195005
Main Authors: Sokolov, Igor V, Naumova, Natalia M, Nees, John A, Mourou, Gérard A
Format: Article
Language:English
Subjects:
07 ISOTOPES AND RADIATION SOURCES
ANTILEPTONS
ANTIMATTER
ANTIPARTICLES
BEAMS
BOSONS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
ELECTRODYNAMICS
ELECTROMAGNETIC RADIATION
ELECTRON BEAMS
ELECTRONS
ELEMENTARY PARTICLES
ENERGY RANGE
EQUATIONS
FERMIONS
FIELD THEORIES
GEV RANGE
INTERACTIONS
KINETIC EQUATIONS
LASER RADIATION
LEPTON BEAMS
LEPTONS
MASSLESS PARTICLES
MATTER
Optics
PAIR PRODUCTION
PARTICLE BEAMS
PARTICLE PRODUCTION
PHOTONS
Physics
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
POSITRONS
PULSES
QUANTUM ELECTRODYNAMICS
QUANTUM FIELD THEORY
RADIATIONS
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Summary:QED effects are known to occur in a strong laser pulse interaction with a counterpropagating electron beam, among these effects being electron-positron pair creation. We discuss the range of laser pulse intensities of J≥5×10(22) W/cm2 combined with electron beam energies of tens of GeV. In this regime multiple pairs may be generated from a single beam electron, some of the newborn particles being capable of further pair production. Radiation backreaction prevents avalanche development and limits pair creation. The system of integro-differential kinetic equations for electrons, positrons and γ photons is derived and solved numerically.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.105.195005