Parameter constraints for flat cosmologies from cosmic microwave background and 2 dFGRS power spectra

@inproceedings{Percival2002ParameterCF,
  title={Parameter constraints for flat cosmologies from cosmic microwave background and 2 dFGRS power spectra},
  author={Will J. Percival and Will Sutherland and John A. Peacock and Carlton M. Baugh and Joss Bland-Hawthorn and Terry Bridges and Russell D. Cannon and Shaun E Cole and Matthew Colless and Chris M P Collins and Warrick J. Couch and Gavin B. Dalton and Roberto de Propris and Simon P. Driver and George P. Efstathiou and Richard S. Ellis and C. S. Frenk and Karl Glazebrook and Carole A. Jackson and Ofer Lahav and Ian Lewis and Stuart Lumsden and Steve J. Maddox and Stephen Moody and Peder R. Norberg and Bruce A. Peterson and Keith Taylor},
  year={2002}
}
We constrain flat cosmological models with a joint likelihood analysis of a new compilation of data from the cosmic microwave background (CMB) and from the 2dF Galaxy Redshift Survey (2dFGRS). Fitting the CMB alone yields a known degeneracy between the Hubble constant h and the matter density m, which arises mainly from preserving the location of the peaks in the angular power spectrum. This ‘horizon-angle degeneracy’ is considered in some detail and is shown to follow the simple relation m h3… CONTINUE READING
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