SLAC - PUB - 2109 April 1978 A HIGH INTENSITY POLARIZED ELECTRON SOURCE
نویسندگان
چکیده
Development of a high intensity, rapidly reversible, polarized electron source to serve as an injector for the Stanford Linear Accelerator is underway. Polarized electrons are obtained by iiluminating negative electron affinity GaAs with circularly polarized light of wavelength corresponding to the band gap. The present status of the project is described. It is anticipated that this source will provide sufficient intensity of -56% longitudinally polarized electrons to permit asymmetries on the order of 10-5 to be measured in reasonable periods of time.
منابع مشابه
The Slac Polarized Electron Source and Beam for E-158 T. B. Humensky, for the E-158 Collaboration and the Slac Polarized Electron Source Group
SLAC E-158 is making the first measurement of parity violation in Møller scattering. E-158 measures the right-left cross-section asymmetry, ALR, in the scattering of a 45-GeV polarized electron beam off unpolarized electrons in a liquid hydrogen target. E-158 plans to measure the expected Standard Model asymmetry of ∼ 10 to an accuracy of better than 10. This paper discusses the performance of ...
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