SLAC Polarized Electron Source and Beam for E-158.

Humensky, T. B.

Technical Information Center Oak Ridge Tennessee

关键词: Electron beams;    Stanford Linear Accelerator Beams;    Electron sources;    Moeller scattering;    Standard model;   

RP-ID  :  DE2003812608

学科分类：工程和技术（综合）

美国|英语

来源: National Technical Reports Library

【 摘 要 】

SLAC E-158 is making the first measurement of parity violation in Moeller scattering. E-158 measures the right-left cross-section asymmetry, A(sub LR), 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(approx) 10(sup -7) to an accuracy of better than 10(sup -8). This paper discusses the performance of the SLAC polarized electron source and beam during E-158's first physics run in April/May 2002.