Standard model vacuum stability and Weyl consistency conditions
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- Antipin, O., Gillioz, M., Krog, J. et al. J. High Energ. Phys. (2013) 2013: 34. doi:10.1007/JHEP08(2013)034
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At high energy the standard model possesses conformal symmetry at the classical level. This is reflected at the quantum level by relations between the different β functions of the model. These relations are known as the Weyl consistency conditions. We show that it is possible to satisfy them order by order in perturbation theory, provided that a suitable coupling constant counting scheme is used. As a direct phenomenological application, we study the stability of the standard model vacuum at high energies and compare with previous computations violating the Weyl consistency conditions.