Weak Interactions Effect on the P-N Mass Splitting and the Principle of Equivalence
N. Chamoun, H. Vucetich
Abstract
The weak interaction contribution to the proton neutron mass difference is computed using a generalization of Cottingham's formula. When included in the analysis of the Eotvos experiment, this contribution reduces the bound on a possible weak interactions violation to the equivalence principle by one order of magnitude.
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