The cosmological evolution of the nucleon mass and the electroweak coupling constants

Calmet, X and Fritzsch, H (2002) The cosmological evolution of the nucleon mass and the electroweak coupling constants. European Physical Journal C: Particles and Fields, 24 (4). pp. 639-642. ISSN 1434-6044

Full text not available from this repository.

Abstract

Starting from astrophysical indications that the fine structure constant might undergo a small cosmological time shift, we discuss the implications of such an effect from the point of view of particle physics. Grand unification implies small time shifts for the nucleon mass, the magnetic moment of the nucleon and the weak coupling constant as well. The relative change of the nucleon mass is about 40 times larger than the relative change of a. Laboratory measurements using very advanced methods in quantum optics might soon reveal small time shifts of the nucleon mass, the magnetic moment of the nucleon and the fine structure constant.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Depositing User: Xavier Calmet
Date Deposited: 06 Feb 2012 20:11
Last Modified: 22 Jan 2013 16:36
URI: http://sro.sussex.ac.uk/id/eprint/24521
📧 Request an update