Curvature tension: evidence for a closed universe - INSPIRE

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Curvature tension: evidence for a closed universe

Will Handley

Aug 24, 2019

7 pages

Published in:

Phys.Rev.D 103 (2021) 4, L041301

Published: Feb 6, 2021

e-Print:

1908.09139 [astro-ph.CO]

DOI:

10.1103/PhysRevD.103.L041301

View in:

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Abstract: (APS)

The curvature parameter tension between Planck 2018, cosmic microwave background (CMB) lensing, and baryon acoustic oscillation (BAO) data is measured using the suspiciousness statistic to be 2.5–3σ. Conclusions regarding the spatial curvature of the Universe which stem from the combination of these data should therefore be viewed with suspicion. Without CMB lensing or BAO, Planck 2018 has a moderate preference for closed universes, with Bayesian betting odds of over 50∶1 against a flat universe and over 2000∶1 against an open universe.

Note:

7 pages, 4 figures. Submitted to PRL

References(68)

Figures(4)

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