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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
physics and astronomy
SPIDER: Probing the early Universe with a suborbital polarimeter
Journal of Cosmology and Astroparticle Physics, Volume 2013, No. 4, Article 047, Year 2013
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Description
We evaluate the ability of SPIDER, a balloon-borne polarimeter, to detect a divergence-free polarization pattern (B-modes) in the cosmic microwave background (CMB). In the inflationary scenario, the amplitude of this signal is proportional to that of the primordial scalar perturbations through the tensor-to-scalar ratio r. We show that the expected level of systematic error in the SPIDER instrument is significantly below the amplitude of an interesting cosmological signal with r = 0.03. We present a scanning strategy that enables us to minimize uncertainty in the reconstruction of the Stokes parameters used to characterize the CMB, while accessing a relatively wide range of angular scales. Evaluating the amplitude of the polarized Galactic emission in the SPIDER field, we conclude that the polarized emission from interstellar dust is as bright or brighter than the cosmological signal at all SPIDER frequencies (90 GHz, 150 GHz, and 280 GHz), a situation similar to that found in the "Southern Hole." We show that two ∼ 20-day flights of the SPIDER instrument can constrain the amplitude of the B-mode signal to r < 0.03 (99% CL) even when foreground contamination is taken into account. In the absence of foregrounds, the same limit can be reached after one 20-day flight. © 2013 IOP Publishing Ltd and Sissa Medialab srl.
Authors & Co-Authors
Fraisse, Aurélien A.
United States, Princeton
Princeton University
Ade, Peter A.R.
United Kingdom, Cardiff
Cardiff University
Amiri, Mandana
Canada, Vancouver
The University of British Columbia
Benton, Steven J.
Canada, Toronto
University of Toronto
Bock, James J.
United States, Pasadena
California Institute of Technology
United States, Pasadena
Jet Propulsion Laboratory
Bond, J. Richard
Canada, Toronto
University of Toronto
Bonetti, Joseph A.
United States, Pasadena
Jet Propulsion Laboratory
Bryan, Sean A.
United States, Cleveland
Case Western Reserve University
Burger, Bryce
Canada, Vancouver
The University of British Columbia
Chiang, H. Cynthia
United States, Princeton
Princeton University
Contaldi, Carlo R.
United Kingdom, London
Imperial College London
Crill, Brendan P.
United States, Pasadena
California Institute of Technology
United States, Pasadena
Jet Propulsion Laboratory
Doré, Olivier P.
United States, Pasadena
California Institute of Technology
United States, Pasadena
Jet Propulsion Laboratory
Farhang, Marzieh
Canada, Toronto
University of Toronto
Filippini, Jeffrey P.
United States, Pasadena
California Institute of Technology
Fissel, Laura M.
Canada, Toronto
University of Toronto
Gandilo, Natalie N.
Canada, Toronto
University of Toronto
Golwala, Sunil R.
United States, Pasadena
California Institute of Technology
Gudmundsson, Jon E.
United States, Princeton
Princeton University
Hasselfield, Matthew F.
Canada, Vancouver
The University of British Columbia
Hilton, Gene C.
United States, Gaithersburg
National Institute of Standards and Technology
Holmes, Warren A.
United States, Pasadena
Jet Propulsion Laboratory
Hristov, Viktor V.
United States, Pasadena
California Institute of Technology
Irwin, Kent D.
United States, Gaithersburg
National Institute of Standards and Technology
Jones, William C.
United States, Princeton
Princeton University
Kuo, Chaolin
United States, Palo Alto
Stanford University
MacTavish, Carrie J.
United Kingdom, Cambridge
University of Cambridge
Mason, Peter V.
United States, Pasadena
California Institute of Technology
Montroy, Thomas E.
United States, Cleveland
Case Western Reserve University
Morford, Tracy A.
United States, Pasadena
California Institute of Technology
Netterfield, C. Barth
Canada, Toronto
University of Toronto
Rahlin, Alexandra S.
United States, Princeton
Princeton University
Reintsema, Carl D.
United States, Gaithersburg
National Institute of Standards and Technology
Ruhl, John E.
United States, Cleveland
Case Western Reserve University
Runyan, Marcus C.
United States, Pasadena
California Institute of Technology
Shariff, Jamil A.
Canada, Toronto
University of Toronto
Soler, Juan Diego
Canada, Toronto
University of Toronto
Trangsrud, Amy R.
United States, Pasadena
California Institute of Technology
Tucker, Carole E.
United Kingdom, Cardiff
Cardiff University
Tucker, Rebecca S.
United States, Pasadena
California Institute of Technology
Turner, Anthony D.
United States, Pasadena
Jet Propulsion Laboratory
Wiebe, Donald V.
Canada, Vancouver
The University of British Columbia
Statistics
Citations: 82
Authors: 42
Affiliations: 11
Identifiers
Doi:
10.1088/1475-7516/2013/04/047
ISSN:
14757516
Research Areas
Environmental