GUT candidates

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ITT respite from brainlet threads. i just looked over the catalog and jesus. all brainlet threads. let's talk about something smart

which GUT (grand unified theory of electroweak and strong interactions) do you think is the best?

I tend to favor the Pati-Salam theory, since SU(5) theories like the Georgi-Glashow theory is in real tension with proton decay measurements. and SO(10) is too generic -- it has too much flexibility and Pati-Salam is much more constrained