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Late-time cosmology with 21cm intensity mapping experiments

Abstract:

We present a framework for forecasting cosmological constraints from future neutral hydrogen intensity mapping experiments at low to intermediate redshifts. In the process, we establish a simple way of comparing such surveys with optical galaxy redshift surveys. We explore a wide range of experimental configurations and assess how well a number of cosmological observables (the expansion rate, growth rate, and angular diameter distance) and parameters (the densities of dark energy and dark mat...

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Publication date:
2014-05-06
URN:
uuid:dbcfbf72-9af6-4864-9312-3bc57142a1fd
Source identifiers:
464514
Local pid:
pubs:464514

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