Joint CMB and Weak Lensing Analysis; Physically Motivated Constraints on Cosmological Parameters

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dc.creatorContaldi, Carlo R.
dc.creatorHoekstra, Henk
dc.creatorLewis, Antony
dc.date2003-02-20
dc.date2003-02-23
dc.date.accessioned2026-07-07T10:26:51Z
dc.date.available2026-07-07T10:26:51Z
dc.descriptionWe use Cosmic Microwave Background (CMB) observations together with the Red-sequence Cluster Survey (RCS) weak lensing results to derive constraints on a range of cosmological parameters. This particular choice of observations is motivated by their robust physical interpretation and complementarity. Our combined analysis, including a weak nucleosynthesis constraint, yields accurate determinations of a number of parameters including the amplitude of fluctuations sigma_8 = 0.89+/-0.05 and matter density Omega_m =0.30+/-0.03. We also find a value for the Hubble parameter of H_0 =70+/-3km/s/Mpc, in good agreement with the Hubble Space Telescope (HST) key--project result. We conclude that the combination of CMB and weak lensing data provides some of the most powerful constraints available in cosmology today.
dc.description4 pages, 2 figs, submitted PRL
dc.identifierhttps://arxiv.org/abs/astro-ph/0302435
dc.identifierhttp://arxiv.org/abs/astro-ph/0302435
dc.identifierPhys.Rev.Lett.90:221303,2003
dc.identifierdoi:10.1103/PhysRevLett.90.221303
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/176987
dc.subjectAstrophysics
dc.titleJoint CMB and Weak Lensing Analysis; Physically Motivated Constraints on Cosmological Parameters
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