Back to Search
Start Over
Scaling laws for positron production in laser--electron-beam collisions
- Source :
- Phys. Rev. A 96, 022128 (2017)
- Publication Year :
- 2017
-
Abstract
- Showers of $\gamma$-rays and positrons are produced when a high-energy electron beam collides with a super-intense laser pulse. We present scaling laws for the electron beam energy loss, the $\gamma$-ray spectrum, and the positron yield and energy that are valid in the non-linear, radiation-reaction--dominated regime. As an application we demonstrate that by employing the collision of a $>$GeV electron beam with a laser pulse of intensity $>5\times10^{21}\,\text{Wcm}^{-2}$, today's high-intensity laser facilities are capable of producing $O(10^4)$ positrons per shot via light-by-light scattering.<br />Comment: 12 pages, 9 figures; eq 5 and references corrected
- Subjects :
- Physics - Plasma Physics
High Energy Physics - Phenomenology
Subjects
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. A 96, 022128 (2017)
- Publication Type :
- Report
- Accession number :
- edsarx.1708.00298
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevA.96.022128