1996/10/25 by J. A. Grifols, J.A. Grifols, Eduard Massó +1 · 1 citation
Physics and Astronomy · #Experimental and Theoretical Physics Studies #Radioactive Decay and Measurement Techniques #Relativity and Gravitational Theory #astro-ph #hep-ph
paper · pdf · doi:10.1016/s0370-2693(97)00119-6
published as Phys.Lett. B396 (1997) 201-202 · 4 pages, LaTeX. Full postscript file available via anonymous ftp at ftp://ftp.ifae.es/preprint/ft/uabft402.ps
arxiv created 1996/10/25 · openalex publication_date 1997/03/01 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
Should U(1) long-range forces be associated to electron, muon and/or tau quantum number then their ''fine structure constants" are seen to be bound by nucleosynthesis data to be less than about 1.7 × 10-11. For τ and μ this is the best upper limit up to date