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If it were possible to get the Universe, or a subset of it, back to the energy scale where spontaenous symmetry breaking and the electro-weak transition happened, what would happen?

Would we see phenomena mediated by $W^1, W^2, W^3$ and $B$?

If we then went "back down" in energy scale , would the VEV of the Higgs field be the same?

SuperCiocia
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  • But isn’t the electroweak scale ~170 GeV? The LHC works at 7 TeV? – SuperCiocia May 16 '18 at 22:06
  • Yes, this is the order of magnitude electroweak scale, it happened once as the unvierse expanded, the vev for the higgs field is 246 GeV – anna v May 17 '18 at 16:40

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The separation of the four fundamental forces in the early universe.

You are asking whether one can reproduce the state of the universe before $10^{-12}$ seconds, when the weak and electromagnetic forces start to separate. Note that the black body temperature is $10^{15}$ K at 100 GeV (order of magnitude of the electroweak breaking scale).

This is not something that can be attained in a laboratory.

Then your question becomes metaphysical, i.e. if the same physics laws would hold in all possible universes.

anna v
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