论文信息 - ACTPol: a polarization-sensitive receiver for the Atacama Cosmology Telescope - 字舞流文

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

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.

M. Halpern | Edward J. Wollack | G. C. Hilton | K. D. Irwin | K. W. Yoon | J. R. Bond | M. Hasselfield | C. Tucker | J. A. Beall | J. Hubmayr | J. P. Nibarger | M. D. Niemack | S. T. Staggs | E. Wollack | M. R. Nolta | P. A. R. Ade | J. Aguirre | F. Barrientos | J. Britton | H. M. Cho | S. Das | M. J. Devlin | S. Dicker | J. Dunkley | R. Dunner | J. W. Fowler | A. Hajian | M. Hilton | J. P. Hughes | L. Infante | N. Jarosik | J. Klein | A. Kosowsky | T. A. Marriage | J. McMahon | F. Menanteau | K. Moodley | L. A. Page | B. Partridge | E. D. Reese | J. Sievers | D. N. Spergel | R. Thornton | J. Dunkley | M. Nolta | M. Halpern | N. Jarosik | L. Page | D. Spergel | P. Ade | J. Bond | L. Infante | G. Hilton | K. Irwin | C. Tucker | K. Yoon | F. Menanteau | E. Reese | B. Partridge | J. Hughes | J. Aguirre | H. Cho | J. Nibarger | M. Niemack | S. Das | J. McMahon | M. Devlin | S. Dicker | J. Klein | J. Beall | J. Hubmayr | S. Staggs | M. Hasselfield | J. Fowler | J. Sievers | K. Moodley | M. Hilton | R. Dunner | A. Hajian | A. Kosowsky | T. Marriage | R. Thornton | J. Britton | F. Barrientos | S. Das | J. Hughes | J. Bond

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