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QUEST on DASI: a South Pole CMB polarization experiment

Church, Sarah, Ade, Peter A. R., Bock, James, Bowden, Melanie, Carlstrom, John, Ganga, Ken, Gear, Walter Kieran, Hinderks, James, Hu, Wayne, Keating, Brian, Kovac, John, Lange, Andrew, Leitch, Eric, Mallie, Olivier Eric, Melhuish, Simon, Murphy, Anthony, Rusholme, Ben, O'Sullivan, Creidhe, Piccirillo, Lucio, Pryke, Clem, Taylor, Andy and Thompson, Keith 2003. QUEST on DASI: a South Pole CMB polarization experiment. New Astronomy Reviews 47 (11-12) , pp. 1083-1089. 10.1016/j.newar.2003.09.033

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Abstract

QUEST on DASI is a ground-based, high-sensitivity, high-resolution (ℓmax∼2500) experiment designed to map CMB polarization at 100 and 150 GHz and to measure the power spectra from E-modes, B-modes from lensing of the CMB, and B-modes from primordial gravitational waves. The experiment comprises a 2.6 m Cassegrain optical system, equipped with an array of 62 polarization-sensitive bolometers (PSBs), located at the South Pole. The instrument is designed to minimize systematic effects; features include differencing of pairs of orthogonal PSBs within a single feed, a rotatable achromatic waveplate, and axisymmetric rotatable optics. In addition the South Pole location allows both repeatable and highly controlled observations. QUEST on DASI will commence operation in early 2005.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Publisher: Elsevier
ISSN: 1387-6473
Last Modified: 10 Oct 2017 14:37
URI: http://orca.cf.ac.uk/id/eprint/35852

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