Neutrino Cosmology and Limits on Extended Technicolor
Lawrence M. Krauss, John Terning, Thomas Appelquist
Abstract
Using Big Bang Nucleosynthesis limits on the number of light neutrinos we derive a cosmological lower bound of ≈ 2 TeV on the scale of extended technicolor interactions (or any other new interactions) for the third family in models where heavy gauge bosons couple to both left and right-handed neutrinos.
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