The Two Loop Long Range Effect on the Proton Decay Effective Lagrangian
Takeshi Nihei, Jiro Arafune
Abstract
We calculate the two loop long range effect on the proton decay effective Lagrangian. Numerical calculation for suppression factor gives AL(2-loop) = 0.321 for the value of the strong coupling constant αs(mZ) = 0.116 . Two loop effect to more general effective Lagrangian is also given.
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