Test of QED at critical field strength
Conference
·
OSTI ID:542808
- Princeton Univ., NJ (United States)
In a new experiment at the Final Focus Test Beam at SLAC, a low-emittance 46.6 GeV electron beam is brought into collisions with terawatt pulses of 1054 nm or 527 nm wavelength from a Nd:glass laser. Peak laser intensities of 10{sup 18} W/cm{sup 2} have been achieved corresponding to a value of 0.6 for the parameter {eta} = e{epsilon}/m{omega}{sub 0}c. In this case, an electron that crosses the center of the laser pulse has near-unit interaction probability. Results are presented for multiphoton Compton scattering in which an electron interacts with up to four laser photons, in agreement with theoretical calculations.
- Research Organization:
- Stanford Linear Accelerator Center, Menlo Park, CA (United States)
- OSTI ID:
- 542808
- Report Number(s):
- SLAC-R--494; CONF-9507258--; ON: DE97006538
- Country of Publication:
- United States
- Language:
- English
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