1993/05/13 by Lawrence M. Krauss, John Terning, Thomas Appelquist · 2 citations
Physics and Astronomy · #Cosmology and Gravitation Theories #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #astro-ph #hep-ph
paper · pdf · doi:10.1103/physrevlett.71.823
published as Phys.Rev.Lett. 71 (1993) 823-826 · 12 pages plus one figure (not included, available as ps file from Krauss), YCTP-P8-93
arxiv created 1993/05/13 · openalex publication_date 1993/08/09 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
Using big bang nucleosynthesis limits on the number of light neutrinos we derive a cosmological lower bound of \ensuremath\approxeq2 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.