Measurements of high-energy radiation generation from laser-wakefield accelerated electron beams
- Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, Michigan 48109 (United States)
- School of Mathematics and Physics, The Queen's University of Belfast, BT7 1NN Belfast, Northern Ireland (United Kingdom)
Using high-energy (∼0.5 GeV) electron beams generated by laser wakefield acceleration (LWFA), bremsstrahlung radiation was created by interacting these beams with various solid targets. Secondary processes generate high-energy electrons, positrons, and neutrons, which can be measured shot-to-shot using magnetic spectrometers, short half-life activation, and Compton scattering. Presented here are proof-of-principle results from a high-resolution, high-energy gamma-ray spectrometer capable of single-shot operation, and high repetition rate activation diagnostics. We describe the techniques used in these measurements and their potential applications in diagnosing LWFA electron beams and measuring high-energy radiation from laser-plasma interactions.
- OSTI ID:
- 22300228
- Journal Information:
- Physics of Plasmas, Vol. 21, Issue 5; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 1070-664X
- Country of Publication:
- United States
- Language:
- English
Similar Records
Principles and applications of x-ray light sources driven by laser wakefield acceleration
Bremsstrahlung hard x-ray source driven by an electron beam from a self-modulated laser wakefield accelerator