Abstract
Instantons infinitesimally turned out of theSU c (3) subspace of spontaneously brokenSU(5) gauge theory induce a baryon number violating interaction proportional 1/μ 2 X like heavy vector boson exchange, but with a different tensor structure.
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Göz, M., Schmidt, M.G. Proton decay induced by instantons inSU(5) grand unification. Z. Phys. C - Particles and Fields 25, 45–48 (1984). https://doi.org/10.1007/BF01571955
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DOI: https://doi.org/10.1007/BF01571955