Pair Creation in QED-Strong Pulsed Laser Fields Interacting with Electron Beams

被引：63

作者：

Sokolov, Igor V. ^{[1
]}

Naumova, Natalia M. ^{[2
]}

Nees, John A. ^{[3
,4
]}

Mourou, Gerard A. ^{[5
]}

机构：

[1] Univ Michigan, Space Phys Res Lab, Ann Arbor, MI 48109 USA

[2] Ecole Polytech, CNRS, Lab Opt Appl, UMR ENSTA 7639, F-91761 Palaiseau, France

[3] Univ Michigan, Ctr Ultrafast Opt Sci, Ann Arbor, MI 48109 USA

[4] Univ Michigan, FOCUS Ctr, Ann Arbor, MI 48109 USA

[5] Ecole Polytech, Inst Lumiere Extreme, UMS ENSTA 3205, CNRS, F-91761 Palaiseau, France

来源：

PHYSICAL REVIEW LETTERS | 2010年 / 105卷 / 19期

关键词：

PLANE ELECTROMAGNETIC WAVE; COMPTON-SCATTERING; QUANTUM PROCESSES; CONSTANT FIELD; PHOTONS; PLASMA; LIGHT;

D O I：

10.1103/PhysRevLett.105.195005

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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 x 10(22) W/cm(2) 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 gamma photons is derived and solved numerically.

引用

页数：4

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