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19 July 2016 Dealing with beam structure in PIXIE
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Abstract
Measuring the B-mode polarization of the CMB radiation requires a detailed understanding of the projection of the detector onto the sky. We show how the combination of scan strategy and processing generates a cylindrical beam for the spectrum measurement. Both the instrumental design and the scan strategy reduce the cross coupling between the temperature variations and the B-modes. As with other polarization measurements some post processing may be required to eliminate residual errors.
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D. J. Fixsen, Alan Kogut, Robert S. Hill, Peter C. Nagler, Lenward T. Seals III, and Joseph M. Howard "Dealing with beam structure in PIXIE", Proc. SPIE 9914, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII, 99141B (19 July 2016); https://doi.org/10.1117/12.2232717
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