Proton stability in an asymptotically free SU(5) theory

In this note we point out a complication with the study of the mass-dependent low energy renormalization group equation for spontaneously broken gauge theories. We derive a new renormalization group theorem which avoids this complication. This theorem allows for a complete determination of an SU(5)...

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Bibliographic Details
Published in:Physics letters. B 1980-01, Vol.93 (1), p.137-142
Main Authors: Chang, Ngee-Pong, Das, Ashok, Perez-Mercader, Juan
Format: Article
Language:English
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Summary:In this note we point out a complication with the study of the mass-dependent low energy renormalization group equation for spontaneously broken gauge theories. We derive a new renormalization group theorem which avoids this complication. This theorem allows for a complete determination of an SU(5) grand unified theory that is asymptotically free. We report on the proton lifetime calculation including mass renormalization effects.
ISSN:0370-2693
1873-2445
DOI:10.1016/0370-2693(80)90112-4