Standard Model Couplings with Α −1 = 137 ± 9 from Multiple Point Criticality and 3 Generations of Gauge Bosons; No Gut, No Susy
نویسندگان
چکیده
We consider the application of the Multiple Point Criticality Principle to the Standard Model and its extension to the anti-grand gauge group SM G 3 ⊗ U (1) f at the Planck scale. In particular we discuss the predictions for the fine structure constants: α −1 (0) = 137 ± 9, α −1 1 (M Z) = 99 ± 5, α −1 2 (M Z) = 29 ± 6, α −1 3 (M Z) = 12 ± 6. We also present our Standard Model predictions for the top quark and Higgs masses and a SM G 3 ⊗ U (1) f fit of the quark-lepton masses and mixing angles. We characterise SM G 3 ⊗ U (1) f as the largest possible extension of the Standard Model gauge group satisfying some relatively simple assumptions. The resolution of some other fine-tuning problems (Λ cosmological , Θ QCD , M Higgs) by the multiple point requirement of degenerate vacua is briefly discussed.
منابع مشابه
Gauge Couplings calculated from Multiple Point Criticality yield α − 1 = 136 . 8 ± 9 : At Last the Elusive
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