Primordial Nucleosynthesis as a test of variable rest masses 5-dimensional cosmology

Details Primordial Nucleosynthesis as a test of variable rest masses 5-dimensional cosmology Primordial Nucleosynthesis as a test of variable rest masses 5-dimensional cosmology

1995-11-20

arxiv.org/abs/gr-qc/9511055v2

Phys.Lett. A222 (1996) 43-46

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Corrected version with referee's remarks. Unchanged global results. Some references added; to be published in Phys. Lett. A.

Scientific paper

10.1016/0375-9601(96)00621-4

The deviation of primordial Helium production due to a variation on the
difference between the rest masses of the nucleons is presented. It is found an
upper bound $\delta (M_{_n} - M_{_p}) \alt 0.129$ MeV, between the present and
nucleosynthesis epochs. This bound is used to analyze Wesson's theory of
gravitation; as a result, it is ruled out by observation.

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