EBEX

Overview

EBEX was a bolometric balloon-borne experiment designed to search for the B-mode polarization of the cosmic microwave background radiation (CMB). EBEX grew out of MAXIPOL. 

Photo of EBEX during flight taken by Ted Dunham, Lowell Instrument Scientist, Lowell Observatory. The photo was taken around 6:00 or 6:30 PM on June 11, 2009 with an 8″ reflecting telescope.

EBEX Launch from NASA’s Columbia Scientific Ballooning Facility in Ft. Sumner, New Mexico — June 11, 2009. Video from Asad Aboobaker.

Selected Publications

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“Intensity-coupled Polarization in Instruments with a Continuously Rotating Half-Wave Plate.” 

Didier et al. (2019) ApJ, 876, 54. (arXiv)

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“The EBEX Balloon Borne Experiment – Optics, Receiver, and Polarimetry.”

EBEX Collaboration (2018) ApJS, 239, 7. (arXiv)

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“The EBEX Balloon Borne Experiment – Detectors and Readout.”

EBEX Collaboration (2018) ApJS, 239, 8. (arXiv)

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“The EBEX Balloon-Borne Experiment – Gondola, Attitude Control, and Control Software.”

EBEX Collaboration (2018) ApJS, 239, 9. (arXiv)

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“Developments of highly-multiplexed, multi-chroic pixels for Balloon-Borne Platforms.”

Aubin et al. (2018) J. Low Temp. Phys., 193, 3-4, 298-304. (arXiv)

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“EBEX: A balloon-borne CMB polarization experiment.”

Reichborn-Kjennerud et al. (2010) Proc. SPIE, 7741, 7741C. (arXiv)

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“The Impact of the Spectral Response of an Achromatic Half-Wave Plate on the Measurement of the Cosmic Microwave Background Polarization.” 

Bao et al. (2012) ApJ, 747:97. (arXiv)

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“Analysis of performance of three- and five-stack achromatic half-wave plates at millimeter wavelengths.” 

Matsumura et al. (2009) Appl. Opt., 48, 19, 3614-3625. (arXiv)