Measuring the initial electron beam polarizarion in e gamma collisions
Abstract
The investigation of e γ W process is crucial for a possible high energy e γ or γ γ collider since it offers the possibility for both new physics discovery and precision measurements. The polarization of the initial beam is a limiting factor for the systematic errors in both cases. This note addresses the feasibility of making a measurement of the initial electron beam polarization with relative statistical error of one percent. Generator and detector level MC tools are used to obtain a realistic event selection for the signal process at the future CLIC test facility running at s=150 GeV.
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