Nucleosynthesis constraints on an extended Jordan-Brans-Dicke theory
- 15 June 1991
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 43 (12) , 3873-3877
- https://doi.org/10.1103/physrevd.43.3873
Abstract
In a natural extension of the Jordan-Brans-Dicke theory the scalar field can couple much more strongly to dark than to visible matter. New limits on the coupling constants of the model are obtained from standard big-bang nucleosynthesis.Keywords
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