Symmetries of CMB Temperature Correlation at Large Angular Separations

Hagimoto, Ray; Hogan, Craig; Lewin, Collin; Meyer, Stephan S.

doi:10.3847/2041-8213/ab62a0

Title: Symmetries of CMB Temperature Correlation at Large Angular Separations

Journal Article · 16 January 2020 · The Astrophysical Journal. Letters (Online)

DOI: https://doi.org/10.3847/2041-8213/ab62a0 · OSTI ID:1581424

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Univ. of Texas, San Antonio, TX (United States); Univ. of Chicago, IL (United States)
Univ. of Chicago, IL (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Univ. of Chicago, IL (United States); Univ. of Arizona, Tucson, AZ (United States)
Univ. of Chicago, IL (United States)

A new analysis is presented of the angular correlation function C(Θ) of cosmic microwave background temperature at large angular separation, based on published maps derived from Wilkinson Microwave Anisotropy Probe and Planck satellite data, using different models of astrophysical foregrounds. It is found that using a common analysis, the results from the two satellites are very similar. In particular, it is found that previously published differences between measured values of C(Θ) near Θ = 90° arise mainly from different choices of masks in regions of largest Galactic emissions, and that demonstrated measurement biases are reduced by eliminating masks altogether. Here, the maps from both satellites are shown to agree with C(90°) = 0 to within estimated statistical and systematic errors, consistent with an exact symmetry predicted in a new holographic quantum model of inflation.

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Research Organization:: Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP)

Grant/Contract Number:: AC02-07CH11359

OSTI ID:: 1581424

Report Number(s):: arXiv:1910.13989; FERMILAB-PUB-19-578-A; oai:inspirehep.net:1762245; TRN: US2101835

Journal Information:: The Astrophysical Journal. Letters (Online), Vol. 888, Issue 2; ISSN 2041-8213

Publisher:: Institute of Physics (IOP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 7 works

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79 ASTRONOMY AND ASTROPHYSICS
Cosmic microwave background radiation
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