Variation of the Fermi constant and primordial nucleosynthesis

Details Variation of the Fermi constant and primordial nucleosynthesis Variation of the Fermi constant and primordial nucleosynthesis

Feb 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988phrvd..37.1097d&link_type=abstract

Physical Review D (Particles and Fields), Volume 37, Issue 4, 15 February 1988, pp.1097-1098

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42

Origin, Formation, And Abundances Of The Elements, Field Theories In Dimensions Other Than Four, Applications Of Electroweak Models To Specific Processes, Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

Motivated by the dependence of the fundamental constants on the size of compact dimensions, Kolb, Perry, and Walker considered the effects on primordial nucleosynthesis of variations in some of these constants, including the Fermi constant GF. We note that, in the standard model, a variation in GF will necessarily imply a variation in the vacuum expectation value of a Higgs field, which in turn will affect the electron mass, quark masses (and thus the neutron-proton mass difference), and the pion mass (and thus the binding energy of the deuteron). We calculate the effect on primordial nucleosynthesis of a variation in the vacuum expectation value of the Higgs field, including all of these factors.

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