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Proceedings Paper

SLAC's polarized electron source laser system for the E-158 parity violation experiment
Author(s): Axel Brachmann; Ray K. Alley; M. J. Browne; G. D. Cates; James Clendenin; J. deLamare; Josef C. Frisch; T. Galetto; E. W. Hughes; Thomas Brian Humensky; K. S. Kumar; Peter A. Mastromarino; J. Sodja; James L. Turner; Klaus H. Witte; Michael B. Woods
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Paper Abstract

SLAC E158 is an experiment to make the first measurement of parity violation in Moller scattering. The left-right cross-section asymmetry in the elastic scattering of a 45-GeV polarized electron beam off unpolarized electrons in a liquid hydrogen target will be measured to an accuracy of better than 10-8, with the expected Standard Model asymmetry being approximately 10-7. An intense circularly polarized laser beam for the polarized electron source is required with the ability to quickly switch between left and right polarization states with minimal left-right asymmetries in the parameters of the electron beam. This laser beam is produced by a unique SLAC-designed, flash-lamp pumped, Ti:Sapphire laser. We present this laser system design and initial results from recent commissioning runs.

Paper Details

Date Published: 4 June 2002
PDF: 12 pages
Proc. SPIE 4632, Laser and Beam Control Technologies, (4 June 2002); doi: 10.1117/12.469769
Show Author Affiliations
Axel Brachmann, Stanford Linear Accelerator Ctr. (United States)
Ray K. Alley, Illumina, Inc. (United States)
M. J. Browne, Stanford Linear Accelerator Ctr. (United States)
G. D. Cates, Univ. of Virginia (United States)
James Clendenin, Stanford Linear Accelerator Ctr. (United States)
J. deLamare, Stanford Linear Accelerator Ctr. (United States)
Josef C. Frisch, Stanford Linear Accelerator Ctr. (United States)
T. Galetto, Stanford Linear Accelerator Ctr. (United States)
E. W. Hughes, California Institute of Technology (United States)
Thomas Brian Humensky, Princeton Univ. (United States)
K. S. Kumar, Univ. of Massachusetts/Amherst (United States)
Peter A. Mastromarino, California Institute of Technology (United States)
J. Sodja, Stanford Linear Accelerator Ctr. (United States)
James L. Turner, Stanford Linear Accelerator Ctr. (United States)
Klaus H. Witte, Resonant Optics Corp. (United States)
Michael B. Woods, Stanford Linear Accelerator Ctr. (United States)


Published in SPIE Proceedings Vol. 4632:
Laser and Beam Control Technologies
Santanu Basu; James F. Riker, Editor(s)

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