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arxiv: hep-ph/9305265 · v1 · submitted 1993-05-13 · ✦ hep-ph · astro-ph

Neutrino Cosmology and Limits on Extended Technicolor

classification ✦ hep-ph astro-ph
keywords extendedinteractionslimitsneutrinostechnicolorapproxbangbosons
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Using Big Bang Nucleosynthesis limits on the number of light neutrinos we derive a cosmological lower bound of $\approx 2$ 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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