| dc.contributor.author | Aghanim, Nabila | |
| dc.contributor.author | Akrami, Yashar | |
| dc.contributor.author | Ashdown, Mark A.J. | |
| dc.date.accessioned | 2020-11-06T11:14:28Z | |
| dc.date.available | 2020-11-06T11:14:28Z | |
| dc.date.issued | 2020 | |
| dc.identifier.citation | Aghanim, N . et al. (2020). Planck 2018 results: VIII. Gravitational lensin . Astronomy and Astrophysics, 641,A8 . Doi: https://doi.org/10.1051/0004-6361/201833886 | en_US |
| dc.identifier.issn | 1432-0746 | |
| dc.identifier.uri | http://hdl.handle.net/10566/5376 | |
| dc.description.abstract | We present measurements of the cosmic microwave background (CMB) lensing potential using the final Planck 2018 temperature and polarization
data. Using polarization maps filtered to account for the noise anisotropy, we increase the significance of the detection of lensing in the polarization
maps from 5σ to 9σ. Combined with temperature, lensing is detected at 40σ. We present an extensive set of tests of the robustness of the lensingpotential power spectrum, and construct a minimum-variance estimator likelihood over lensing multipoles 8 ≤ L ≤ 400 (extending the range to
lower L compared to 2015), which we use to constrain cosmological parameters. We find good consistency between lensing constraints and the
results from the Planck CMB power spectra within the ΛCDM model | en_US |
| dc.language.iso | en | en_US |
| dc.publisher | EDP Sciences | en_US |
| dc.subject | Gravitational lensing | en_US |
| dc.subject | Cosmological parameters | en_US |
| dc.subject | Cosmic background radiation | en_US |
| dc.subject | Large-scale structure of Universe | en_US |
| dc.subject | Cosmology | en_US |
| dc.title | Planck 2018 results: VIII. Gravitational lensing | en_US |
| dc.type | Article | en_US |
