Papers › Limits on wCDM from the EFTofLSS with the PyBird code
Limits on wCDM from the EFTofLSS with the PyBird code
Guido D'Amico, Leonardo Senatore, Pierre Zhang
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We apply the Effective Field Theory of Large-Scale Structure to analyze the wCDM cosmological model. By using the full shape of the power spectrum and the BAO post-reconstruction measurements from BOSS, the Supernovae from Pantheon, and a prior from BBN, we set the competitive CMB-independent limit w=-1.046_(-0.052)^(+0.055) at 68% C.L.. After adding the Planck CMB data, we find w=-1.023_(-0.030)^(+0.033) at 68% C.L.. Our results are obtained using PyBird, a new, fast Python-based code which we make publicly available.
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