SPT-3G: A Next-Generation Cosmic Microwave Background Polarization Experiment on the South Pole Telescope - INSPIRE

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SPT-3G: A Next-Generation Cosmic Microwave Background Polarization Experiment on the South Pole Telescope

SPT-3G

Collaboration

•

B.A. Benson
(
- Fermilab
)

Jul 10, 2014

21 pages

Part of Proceedings, SPIE Astronomical Telescopes + Instrumentation 2014: Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII : Montreal, Quebec, Canada, June 24-27, 2014

Published in:

Proc.SPIE Int.Soc.Opt.Eng. 9153 (2014) 91531P

Contribution to:

SPIE Astronomical Telescopes + Instrumentation 2014

Published: Jul 23, 2014

e-Print:

1407.2973 [astro-ph.IM]

DOI:

10.1117/12.2057305

Report number:

FERMILAB-CONF-14-197-AE

Experiments:

SPT-3G

View in:

reference search390 citations

Citations per year

Abstract: (arXiv)

We describe the design of a new polarization sensitive receiver, SPT-3G, for the 10-meter South Pole Telescope (SPT). The SPT-3G receiver will deliver a factor of ~20 improvement in mapping speed over the current receiver, SPTpol. The sensitivity of the SPT-3G receiver will enable the advance from statistical detection of B-mode polarization anisotropy power to high signal-to-noise measurements of the individual modes, i.e., maps. This will lead to precise (~0.06 eV) constraints on the sum of neutrino masses with the potential to directly address the neutrino mass hierarchy. It will allow a separation of the lensing and inflationary B-mode power spectra, improving constraints on the amplitude and shape of the primordial signal, either through SPT-3G data alone or in combination with BICEP-2/KECK, which is observing the same area of sky. The measurement of small-scale temperature anisotropy will provide new constraints on the epoch of reionization. Additional science from the SPT-3G survey will be significantly enhanced by the synergy with the ongoing optical Dark Energy Survey (DES), including: a 1% constraint on the bias of optical tracers of large-scale structure, a measurement of the differential Doppler signal from pairs of galaxy clusters that will test General Relativity on ~200 Mpc scales, and improved cosmological constraints from the abundance of clusters of galaxies.

Note:

21 pages, 9 figures. To be published in Proceedings of SPIE Volume 9153. Presented at SPIE Astronomical Telescopes + Instrumentation 2014, conference 9153

Polarization
Telescopes
Receivers
Anisotropy
Galaxy groups and clusters
General relativity
Doppler effect
galaxy: cluster
neutrino: mass
polarization: anisotropy

References(57)

Figures(20)

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