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Measuring the spatio-temporal variation of fundamental physical constants using the OH sum rules

Su, Renzhi et al.
arXiv (OAI Expanded) · Papers
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cosmology-and-nongalactic-astrophysics
In this paper, we introduce a method to constrain the variation of fundamental physical constants predicted by grand unified theories. This approach utilizes OH sum rules, which exhibit different forms depending on the physical conditions of the OH gas. Employing a least-squares technique, we can di
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