Pair production in short laser pulses near threshold

The e+e− pair production by a probe photon traversing a linearly polarized laser pulse is treated as generalized nonlinear Breit–Wheeler process. For short laser pulses with very few oscillations of the electromagnetic field we find below the perturbative weak-field threshold s=2m a similar enhancem...

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Veröffentlicht in:	Physics letters. B 2012-08, Vol.715 (1-3), p.246-250
Hauptverfasser:	Nousch, T., Seipt, D., Kämpfer, B., Titov, A.I.
Format:	Artikel
Sprache:	eng
Schlagworte:	Electromagnetic fields Elementary particles Frequency spectrum Lasers Mathematical analysis Nonlinear Breit–Wheeler process Oscillations Pair production Short laser pulse Thresholds Volkov solution
Online-Zugang:	Volltext
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