El Big Bang hoy - Particle Physics at CIEMAT
El Big Bang hoy - Particle Physics at CIEMAT
El Big Bang hoy - Particle Physics at CIEMAT
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<strong>El</strong> <strong>Big</strong> <strong>Bang</strong> <strong>hoy</strong>: ΛCDMParameterCurrent Best ValueHubble expansion r<strong>at</strong>e h 0.710(25) WMAP7critical density ρ c 1.053 75(13)× 10 −5 h 2 (GeV/c 2 ) cm −3baryon density Ω b 0.045(3)pressureless m<strong>at</strong>ter density Ω M 0.27±0.03dark energy density (LCDM) Ω Λ 0.73(3)dark energy EoS parameter w -0.98 ± 0.05 (WMAP7+BAO+H0)CMB radi<strong>at</strong>ion density Ω γ 4.75(23) x 10 -5neutrino density Ω ν 0.0009 < Ω ν < 0.048total energy density Ω tot 1.002 ± 0.011 (WMAP7+BAO+H0)scalar spectral index n S 0.963(14)age of the Universe t 0 13.75 ± 0.13 Gyr
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