Minimal supersymmetric SU(5) and gauge coupling unification at three loops
We consider the relations between the gauge couplings at the electroweak scale and the high scale where unification of the three gauge couplings is expected. Threshold corrections are incorporated both at the supersymmetric and at the grand unified scale and, where available, three-loop running and...
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| Main Authors: | , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
30 November 2010
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| In: |
Physical review. D, Particles, fields, gravitation, and cosmology
Year: 2010, Volume: 82, Issue: 9, Pages: 095013 |
| ISSN: | 1550-2368 |
| DOI: | 10.1103/PhysRevD.82.095013 |
| Online Access: | Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevD.82.095013 Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.82.095013 
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| Author Notes: | W. Martens, L. Mihaila, J. Salomon, and M. Steinhauser |
| Summary: | We consider the relations between the gauge couplings at the electroweak scale and the high scale where unification of the three gauge couplings is expected. Threshold corrections are incorporated both at the supersymmetric and at the grand unified scale and, where available, three-loop running and two-loop decoupling are employed. We study the impact of the current experimental uncertainties of the coupling constants and the supersymmetric mass spectrum on the prediction of the superheavy masses within the so-called minimal supersymmetric SU(5). As a main result of the three-loop analysis we confirm that minimal supersymmetric SU(5) cannot be ruled out by the current experimental data on proton decay rates. |
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| Item Description: | Gesehen am 28.11.2017 |
| Physical Description: | Online Resource |
| ISSN: | 1550-2368 |
| DOI: | 10.1103/PhysRevD.82.095013 |