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LiteBIRD: an all-sky cosmic microwave background probe of inflation

AuthorsLee, Adrian T.; Génova-Santos, R.; Rubiño-Martín, J. A.
Issue Date2019
PublisherAmerican Astronomical Society
CitationBulletin of the American Astronomical Society 51(7): 286 (2019)
AbstractThe LiteBIRD mission will map polarized fluctuations in the cosmic microwave background (CMB) to search for the signature of gravitational waves from inflation, potentially opening a window on the Universe a fraction of a second after the Big Bang. CMB measurements from space give access to the largest angular scales and the full frequency range to constrain Galactic foregrounds, and LiteBIRD has been designed to take best advantage of the unique window of space. LiteBIRD will have a powerful ability to separate Galactic foreground emission from the CMB due to its 15 frequency bands spaced between 40 and 402 GHz and sensitive 100-mK bolometers. LiteBIRD will provide stringent control of systematic errors due to the benign thermal environment at the second Lagrange point, L2, 20-K rapidly rotating half-wave plates on each telescope, and the ability to crosscheck its results by measuring both the reionization and recombination peaks in the B-mode power spectrum. LiteBIRD would be the next step in the series of CMB space missions, COBE, WMAP, and Planck, each of which has given landmark scientific discoveries.
DescriptionProject Area: Radio, Millimeter, and Submillimeter Observations from Space. Astro2020 APC White Paper: et al.
Identifierse-issn: 0002-7537
Appears in Collections:(IFCA) Artículos
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