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Aug31-10, 01:44 PM
PF Gold
P: 1,963
I thought my question waw important because of this :

Quote Quote by percacci
One reason may be that to apply the standard Wilsonian picture you have to reach the fixed point from above, and this means that you start from such high energies that the Planck scale can be viewed as an infrared limit."
So, I take it that there is a really, really high energy that goes to infinite, but has a vanishing cross section. I'd like to see what Percacci has to say about what relation this has with UV catastrophe.