Possibility of prolific pair production with high-power lasers

Prolific electron-positron pair production is possible at laser intensities approaching 10;{24} W cm;{-2} at a wavelength of 1 mum. An analysis of electron trajectories and interactions at the nodes (B=0) of two counterpropagating, circularly polarized laser beams shows that a cascade of gamma rays...

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Veröffentlicht in:	Physical review letters 2008-11, Vol.101 (20), p.200403-200403, Article 200403
Hauptverfasser:	Bell, A R, Kirk, John G
Format:	Artikel
Sprache:	eng
Schlagworte:	CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ELECTRONS GAMMA RADIATION GEOMETRY LASERS PAIR PRODUCTION POLARIZATION POSITRONS
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description	Prolific electron-positron pair production is possible at laser intensities approaching 10;{24} W cm;{-2} at a wavelength of 1 mum. An analysis of electron trajectories and interactions at the nodes (B=0) of two counterpropagating, circularly polarized laser beams shows that a cascade of gamma rays and pairs develops. The geometry is generalized qualitatively to linear polarization and laser beams incident on a solid target.
doi_str_mv	10.1103/PhysRevLett.101.200403
format	Article
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source	American Physical Society Journals
subjects	CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ELECTRONS GAMMA RADIATION GEOMETRY LASERS PAIR PRODUCTION POLARIZATION POSITRONS
title	Possibility of prolific pair production with high-power lasers
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