Abstract
The Mott polarimeter is the most popular detection system of the spin polarization of electron beams. However, the Mott polarimeter has a significant disadvantage, low sensitivity. We propose a multi-stage Mott polarimeter that provides higher sensitivity than the conventional one. Three-dimensional electron trajectories in target films are calculated by a Monte Carlo simulation of electron scattering based on the single scattering model. The Mott scattering cross section for polarized electrons is used in the simulation. We calculate the figure of merit of the multi-stage Mott polarimeter to evaluate the performance. Moreover, we evaluate the performance of the multi-stage Mott polarimeter taking the supporting films and the apertures into consideration.
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