Re/Os constraint on the time-variability of the fine-structure constant

Details Re/Os constraint on the time-variability of the fine-structure constant Re/Os constraint on the time-variability of the fine-structure constant

2003-09-09

arxiv.org/abs/hep-ph/0309087v2

Phys.Rev.Lett. 91 (2003) 261101

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 3 figures; v2, revised top sentence on p. 6

Scientific paper

10.1103/PhysRevLett.91.261101

We argue that the accuracy by which the isochron parameters of the decay $^{187}{\rm Re}\to ^{187}{\rm Os}$ are determined by dating iron meteorites may not directly constrain the possible time-dependence of the decay rate and hence of the fine-structure constant $\alpha$. From this point of view, some of the attempts to analyze the Oklo constraint and the results of the QSO absorption lines are re-examined.

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