Leptonic Photons and Nucleosynthesis

Abstract

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 $1.7\times 10^{-11}$. For $\tau$ and $\mu$ this is the best upper limit up to date

4 pages, LaTeX. Full postscript file available via anonymous ftp at ftp://ftp.ifae.es/preprint/ft/uabft402.ps

References in corpus (1)

• Leptons and Photons

Cited by in corpus (8)

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• Constraints on the $U(1{)}_L$ gauge boson in a wide mass range
• Limits on leptonic photon interactions from SN1987a