%0 Generic %1 laposta2021cosmology %A La Posta, Adrien %A Louis, Thibaut %A Garrido, Xavier %A Tristram, Matthieu %A Henrot-Versillé, Sophie %D 2021 %K library %T Cosmology with Planck T-E correlation coefficient %U http://arxiv.org/abs/2105.06167 %X Tensions in cosmological parameters measurement motivate a revisit of the effects of instrumental systematics. In this article, we focus on the Pearson's correlation coefficient of the cosmic microwave background temperature and polarization E modes $R_\ell^TE$ which has the property of not being biased by multiplicative instrumental systematics. We build a $R_\ell^TE$-based likelihood for the Planck data, and present the first constraints on $Łambda$CDM parameters from the correlation coefficient. Our results are compatible with parameters derived from a power spectra based likelihood. In particular the value of the Hubble parameter $H_0$ characterizing the expansion of the Universe today, 67.5 $\pm$ 1.3 km/s/Mpc, is consistent with the ones inferred from standard CMB analysis. We also discuss the consistency of the Planck correlation coefficient with the one computed from the most recent ACTPol power spectra.

@misc{laposta2021cosmology, abstract = {Tensions in cosmological parameters measurement motivate a revisit of the effects of instrumental systematics. In this article, we focus on the Pearson's correlation coefficient of the cosmic microwave background temperature and polarization E modes $\mathcal{R}_\ell^{\rm TE}$ which has the property of not being biased by multiplicative instrumental systematics. We build a $\mathcal{R}_\ell^{\rm TE}$-based likelihood for the Planck data, and present the first constraints on $\Lambda$CDM parameters from the correlation coefficient. Our results are compatible with parameters derived from a power spectra based likelihood. In particular the value of the Hubble parameter $H_0$ characterizing the expansion of the Universe today, 67.5 $\pm$ 1.3 km/s/Mpc, is consistent with the ones inferred from standard CMB analysis. We also discuss the consistency of the Planck correlation coefficient with the one computed from the most recent ACTPol power spectra.}, added-at = {2021-05-14T06:21:51.000+0200}, author = {La Posta, Adrien and Louis, Thibaut and Garrido, Xavier and Tristram, Matthieu and Henrot-Versillé, Sophie}, biburl = {https://www.bibsonomy.org/bibtex/27c4d2cba2f1767665e0d9f3e28b20af4/gpkulkarni}, description = {Cosmology with Planck T-E correlation coefficient}, interhash = {f955920579d20813ffb668a9ee463142}, intrahash = {7c4d2cba2f1767665e0d9f3e28b20af4}, keywords = {library}, note = {cite arxiv:2105.06167Comment: 10 pages, 5 figures}, timestamp = {2021-05-14T06:21:51.000+0200}, title = {Cosmology with Planck T-E correlation coefficient}, url = {http://arxiv.org/abs/2105.06167}, year = 2021 }