Image Details
Caption: Fig. 11.
Azimuthal scattering angle distribution of events in regions 1, 2, and 3 and a ﹩\mathrm{cos}\,2( \phi -\eta ) ﹩ fit to the data. The solid line shows the average (no polarization), and the dashed lines show the maximum and the minimum modulation for a 100% polarization fraction.
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