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Precision Detection of the Cosmic Neutrino Background
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In the standard Big Bang cosmology the canonical value for the ratio of relic neutrinos to CMB photons is 9/11. Within the framework of the Standard Model of particle physics there are small corrections, in sum about 1%, due to slight heating of neutrinos by electron/positron annihilations and finite-temperature QED effects. We show that this leads to changes in the predicted cosmic microwave background (CMB) anisotropies that might be detected by future satellite experiments. NASA's MAP and ESA's PLANCK should be able to test the canonical prediction to a precision of 1% or better and could confirm these corrections.
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Cited by 1 Pith paper
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Preheating Axions in String Cosmology
Preheating of closed-string axions in fibre inflation can overproduce dark matter, yielding new upper bounds on the axion mass and constraints on model parameters.
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