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

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Title: ACTPol: a polarization-sensitive receiver for the Atacama Cosmology Telescope.
Author: Halpern, Mark; Hasselfield, Matthew
Issue Date: 2010
Publicly Available in cIRcle 2011-09-13
Publisher Society of Photo-Optical Instrumentation Engineers
Citation: Niemack, Michael D.; Ade, Peter A. R.; Aguirre, James E.; Barrientos, Felipe; Beall, James R.; Bond, J. Richard; Britton, Joe; Cho, Hsiao-Mei; Das, Sudeep; Devlin, Mark J.; Dicker, Simon R.; Dunkley, J.; Dünner, Rolando; Fowler, Joseph W.; Hajian, Amir; Halpern, Mark; Hasselfield, Matthew; Hilton, Gene C.; Hilton, Matt; Hubmayr, Johannes; Hughes, John P.; Infante, Leopoldo; Irwin, Kent D.; Jarosik, Norman C.; Klein, Joshua; Kosowsky, Arthur; Marriage, Tobias A.; McMahon, Jeff; Menanteau, Felipe; Moodley, Kavilan; Nibarger, John P.; Nolta, Michael R.; Page, Lyman A.; Partridge, R. Bruce; Reese, Eric D.; Sievers, Jonathan L.; Spergel, David N.; Staggs, Suzanne T.; Thornton, Robert J.; Tucker, Carole E.; Wollack, Edward J.; Yoon, Ki Won. ACTPol: a polarization-sensitive receiver for the Atacama Cosmology Telescope. Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V, edited by Wayne S. Holland, Jonas Zmuidzinas, Proceedings of SPIE Volume 7741, 77411S, 2010. http://dx.doi.org/10.1117/12.857464
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. Copyright 2010 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Affiliation: Physics and Astronomy, Dept of
URI: http://hdl.handle.net/2429/37256
Peer Review Status: Reviewed
Scholarly Level: Faculty

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