On the gauge dependence of the Standard Model vacuum instability scale

After reviewing the calculation of the Standard Model one-loop effective potential in a class of linear gauges, we discuss the physical observables entering the vacuum stability analysis. While the electroweak-vacuum-stability bound on the Higgs boson mass can be formally proven to be gauge independ...

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Bibliographic Details
Main Authors: Di Luzio, Luca (Author) , Mihaila, Luminita (Author)
Format: Article (Journal)
Language:English
Published: 12 June 2014
In: Journal of high energy physics
Year: 2014, Volume: 2014, Issue: 6, Pages: 79
ISSN:1029-8479
DOI:10.1007/JHEP06(2014)079
Online Access:Verlag, kostenfrei, Volltext: http://dx.doi.org/10.1007/JHEP06(2014)079
Verlag, kostenfrei, Volltext: https://link.springer.com/article/10.1007/JHEP06(2014)079
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Author Notes:Luca Di Luzio and Luminita Mihaila
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Summary:After reviewing the calculation of the Standard Model one-loop effective potential in a class of linear gauges, we discuss the physical observables entering the vacuum stability analysis. While the electroweak-vacuum-stability bound on the Higgs boson mass can be formally proven to be gauge independent, the field value at which the effective potential turns negative (the so-called instability scale) is a gauge dependent quantity. By varying the gauge-fixing scheme and the gauge-fixing parameters in their perturbative domain, we find an irreducible theoretical uncertainty of at least two orders of magnitude on the scale at which the Standard Model vacuum becomes unstable.
Item Description:Gesehen am 28.11.2017
Physical Description:Online Resource
ISSN:1029-8479
DOI:10.1007/JHEP06(2014)079