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Marko Simonovic 
Monday 09 March 2020, 13:00-14:00
Cosmology form current and future spectroscopic galaxy surveys
- đ¤ Speaker: Marko Simonovic
- đ Date & Time: Monday 09 March 2020, 13:00 - 14:00
- đ Venue: CMS, Pav. B, CTC Common Room (B1.19) [Potter Room]
Abstract
In this talk I will review some recent progress in theoretical modelling of the nonlinear structure formation and show how it can be used to extract cosmology from current and future spectroscopic galaxy surveys. As an example I will present cosmological parameter measurements from the publicly available Baryon Oscillation Spectroscopic Survey (BOSS) data on anisotropic galaxy clustering in Fourier space. Assuming a minimal LCDM cosmology with varied massive neutrinos and imposing the big bang nucleosynthesis prior on the physical baryon density, the measured late-Universe parameters are: Hubble constant H_0 = 68.6 $\pm$ 1.1 km/s/Mpc, matter density fraction Omega_m = 0.319 $\pm$ 0.015, and the mass fluctuation amplitude sigma_8 = 0.75 $\pm$ 0.05, independently of the cosmic microwave background observations.
Series This talk is part of the Cosmology Lunch series.
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