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Baryon number is an accidental symmetry of the Standard Model at theLagrangian level. Its violation is arguably one of the most compellingphenomena predicted by physics beyond the Standard Model. Furthermore, there isa large experimental effort to search for it including the Hyper-K, DUNE, JUNO,and THEIA experiments. Therefore, an agnostic, model-independent, analysis ofbaryon number violation using the power of Effective Field Theory is verytimely. In particular, in this work we study the contribution of dimension sixand seven effective operators to $|\Delta (B-L)|=0, \, 2$ nucleon decays takinginto account the effects of Renormalisation Group Evolution. We obtain lowerlimits on the energy scale of each operator and study the correlations betweendifferent decay modes. We find that for some operators the effect of running isvery significant.

An EFT approach to baryon number violation: lower limits on the new physics scale and correlations between nucleon decay modes