CMB polarimetry using Correlation Receivers with the PIQUE and CAPMAP
The Princeton IQU Experiment (PIQUE) and the Cosmic Anisotropy Polarization Mapper (CAPMAP) are experiments to measure the polarization of the Cosmic Microwave Background (CMB) on sub-degree scales in an area within 1 deg of the North Celestial Pole using heterodyne correlation polarimeters and off-axis telescopes located in central New Jersey. PIQUE produced the tightest limit on the CMB polarization prior to its detection by DASI, while CAPMAP
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