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Proceedings Article

ACTPol: a polarization-sensitive receiver for the Atacama Cosmology Telescope

[+] Author Affiliations
M. D. Niemack, J. A. Beall, J. Britton, H. M. Cho, G. C. Hilton, J. Hubmayr, K. D. Irwin, J. P. Nibarger, K. W. Yoon

National Insitute of Standards and Technology (USA)

P. A. R. Ade, C. Tucker

Cardiff Univ. (United Kingdom)

J. Aguirre, M. J. Devlin, S. Dicker, J. Klein, E. D. Reese

Univ. of Pennsylvania (USA)

F. Barrientos, R. Dünner, L. Infante

Pontificía Univ. Católica (Chile)

J. R. Bond, A. Hajian, M. R. Nolta, J. Sievers

Univ. of Toronto (Canada)

S. Das

Univ. of California, Berkeley (USA)

J. Dunkley

Oxford Univ. (United Kingdom)

J. W. Fowler, N. Jarosik, T. A. Marriage, L. A. Page, D. N. Spergel, S. T. Staggs

Princeton Univ. (USA)

M. Halpern, M. Hasselfield

Univ. of British Columbia (USA)

M. Hilton, K. Moodley

Univ. of KwaZulu-Natal (South Africa)

J. P. Hughes, F. Menanteau

Rutgers Univ. (USA)

A. Kosowsky

Univ. of Pittsburgh (USA)

J. McMahon

Univ. of Michigan (USA)

B. Partridge

Haverford College (USA)

R. Thornton

West Chester Univ. of Pennsylvania (USA)

E. Wollack

NASA Goddard Space Flight Ctr. (USA)

Proc. SPIE 7741, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V, 77411S (July 15, 2010); doi:10.1117/12.857464
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From Conference Volume 7741

  • Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V
  • Wayne S. Holland; Jonas Zmuidzinas
  • San Diego, California, USA | June 27, 2010

abstract

The six-meter Atacama Cosmology Telescope (ACT) in Chile was built to measure the cosmic microwave background (CMB) at arcminute angular scales. We are building a new polarization sensitive receiver for ACT (ACTPol). ACTPol will characterize the gravitational lensing of the CMB and aims to constrain the sum of the neutrino masses with ~ 0.05 eV precision, the running of the spectral index of inflation-induced fluctuations, and the primordial helium abundance to better than 1 %. Our observing fields will overlap with the SDSS BOSS survey at optical wavelengths, enabling a variety of cross-correlation science, including studies of the growth of cosmic structure from Sunyaev-Zel'dovich observations of clusters of galaxies as well as independent constraints on the sum of the neutrino masses. We describe the science objectives and the initial receiver design.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

M. D. Niemack ; P. A. R. Ade ; J. Aguirre ; F. Barrientos ; J. A. Beall, et al.
"ACTPol: a polarization-sensitive receiver for the Atacama Cosmology Telescope", Proc. SPIE 7741, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V, 77411S (July 15, 2010); doi:10.1117/12.857464; http://dx.doi.org/10.1117/12.857464


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