Weak interactions effect on the p–n mass splitting and the principle of equivalence

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 Eötvös experiment, this contribution reduces the bound on a possible weak interactions violation to the equivalence principle...

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Bibliographic Details
Published inPhysics letters. B Vol. 541; no. 3; pp. 291 - 297
Main Authors Chamoun, N., Vucetich, H.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 15.08.2002
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Summary: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 Eötvös experiment, this contribution reduces the bound on a possible weak interactions violation to the equivalence principle by one order of magnitude.
ISSN:0370-2693
1873-2445
DOI:10.1016/S0370-2693(02)02268-2