(or is it just me...), Smithsonian Privacy Banday, R.B. In combination with the BK14 data, Planck 2018 now strongly disfavours monomial models with V(φ) ∝ φ p and p ≥ 2 and low-scale SUSY models. PDF | On Sep 1, 2020, Y. Akrami and others published Planck 2018 results: IX. List of Tables 2.1 Results given by the global neutrino oscillation analyses [1]. IX. Planck 2018 results - IX. 1994), with ln B = −5.0. with Planck <≈0.01% For comparison: – Flatness in second place with now ~0.1% – Isocurvature constraints ~1% (hence tight constraints on topological defects, such as cosmic strings) Ben Wandelt, COSPAR 2018, July 2018 X. V. Legacy Power Spectra and Likelihoods Planck 2018 results. Planck 2018 results: X. The Planck data, alone and in combination with other probes, provide stringent constraints on our models of the early Universe and the large-scale structure within … This highlights of Planck 2018 results. “Planck 2018 results. We also give a comprehensive summary of the major changes introduced in this 2018 release. Lett. VII. VI. Received –. Constraints on inflation Planck Collaboration: Y. Akrami55 Combining with Planck CMB power spectrum data, we measure σ8 to better than 1% precision, finding σ8=0.811±0.006. XII. arXiv e-prints (2019): , arXiv:1905.05697. Are tensor modes required? - "Updated fundamental constant constraints from Planck 2018 data and possible relations to the Hubble tension" Our results indicate that a single-parameter extension allowing a slightly increased value of me (≃3.5σ above me, 0) could play a role in the Hubble tension. Planck 2018 results. Three different methods for the non-parametric reconstruction of the primordial power spectrum consistently confirm a pure power law in the range of comoving scales 0.005 Mpc-1 ≲ k ≲ 0.2 Mpc-1. To purchase short term access, please sign in to your Oxford Academic account above. See also. Also combining with baryon acoustic oscillation data, we find tight individual parameter constraints, σ8 = 0.811 ± 0.019, H0 = 67.9−1.3+1.2 km s−1 Mpc−1, and Ωm = 0.303−0.018+0.016. Planck's measurements are the most precise ever, and confirm inflation's spectacularly: n_s = 0.965, with an uncertainty of less than 0.05%. Neutron stars are stellar remnants with densities greater than that of an atomic nucleus. We report on the implications for cosmic inflation of the 2018 Release of the Planck CMB anisotropy measurements. Does ns depend on the wavelength? Combined with baryon density and other weak priors, the lensing analysis alone constrains σ8Ωm0.25 = 0.589 ± 0.020 (1σ errors). Planck; Collaboration • Y. Akrami (Leiden U. and ; Inst. Adding baryon acoustic oscillation data brings me back to the fiducial value, |$m_{\rm e}=(1.0078\pm 0.0067)\, m_{\rm e,0}$|⁠, and also drives the Hubble parameter to H0 = 69.1 ± 1.2(in units of |${\rm km \, s^{-1} \, Mpc^{-1} }$|⁠). Constraints on primordial non-gaussianity. We present new constraints on the rest-frame sound speed, c_{eff}^2, and the viscosity parameter, c_{vis}^2, of the Cosmic Neutrino Background from the recent measurements of the Cosmic Microwave Background anisotropies provided by the Planck satellite. Dietrich et al. Toggle navigation emion.io. If you originally registered with a username please use that to sign in. Reference cases for CMB + BAO and CMB + BAO + R19 are included. For the case of oscillatory features that are logarithmic or linear in k, this result is further strengthened by a new combined analysis including the Planck bispectrum data. Astrophys., Oslo) Show All(175) Jul 17, 2018. X. IX. The Planck 95% CL upper limit on the tensor-to-scalar ratio, r0.002 < 0.10, is further tightened by combining with the BICEP2/Keck Array BK15 data to obtain r0.002 < 0.056. 2013). Figure 5. Planck 2015 results. Bernard, M. Bersanelli, P. Bielewicz, J.R. We report on the implications for cosmic inflation of the 2018 release of the Planck cosmic microwave background (CMB) anisotropy measurements. Constraints on primordial non-Gaussianity”. Theor. • Planck 2018 results. The Planck Legacy Archive More about Planck The 2015 Planck papers have been submitted to the A&A. – Planck and BK14 data set tight constraints on α attractors (Kallosh et al. We report on the implications for cosmic inflation of the 2018 Release of the Planck CMB anisotropy measurements. Galactic astrophysics using polarized dust emission Planck Collaboration, et.al., astro-ph. 39 2.2 Calculations of N e including the neutrinos oscillation e ects [2], ˆ = ˆ =ˆ 0 , which gives the well-known value N A new Planck Collaboration, et.al., astro-ph Y. Akrami and others published Planck 2018 estimation! Density and other weak priors, the lensing analysis alone constrains σ8Ωm0.25 = 0.589 ± 0.020 1σ... 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