CLOVER - A new instrument for measuring the B-mode polarization of the CMB

We describe the design and expected performance of Clover, a new instrument designed to measure the B-mode polarization of the cosmic microwave background. The proposed instrument will comprise three independent telescopes operating at 90, 150 and 220 GHz and is planned to be sited at Dome C, Antarc...

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Bibliographic Details
Main Authors: Taylor, A. C., Challinor, A., Goldie, D., Grainge, K., Jones, M. E., Lasenby, A. N., Withington, S., Yassin, G., Gear, W. K., Piccirillo, L., Ade, P., Mauskopf, P. D., Maffei, B., Pisano, G.
Format: Report
Language:unknown
Published: arXiv 2004
Subjects:
Astrophysics astro-ph
FOS Physical sciences
Antarc*
Antarctica
Online Access:https://dx.doi.org/10.48550/arxiv.astro-ph/0407148
https://arxiv.org/abs/astro-ph/0407148
Description
Summary:We describe the design and expected performance of Clover, a new instrument designed to measure the B-mode polarization of the cosmic microwave background. The proposed instrument will comprise three independent telescopes operating at 90, 150 and 220 GHz and is planned to be sited at Dome C, Antarctica. Each telescope will feed a focal plane array of 128 background-limited detectors and will measure polarized signals over angular multipoles 20 < l < 1000. The unique design of the telescope and careful control of systematics should enable the B-mode signature of gravitational waves to be measured to a lensing-confusion-limited tensor-to-scalar ratio r~0.005. : 4 pages, 5 figures. To appear in the proceedings of the XXXVIXth Rencontres de Moriond "Exploring the Universe"

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