Target Density Fluctuation Monitoring in the HAPPEX Helium Parity Violation Experiment
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چکیده
Luminosity monitors were used to study density fluctuations in the cold helium-4 target of the HAPPEX-He parity violation experiment in Jefferson Lab Hall A. Helicity-correlated asymmetries were measured as beam current, beam raster size, target fan speed, and target density were varied. These studies were used to determine optimal running conditions and estimate the contribution of target density fluctuations to the statistical error of the experiment.
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تاریخ انتشار 2005