paper
Baryon Number, Lepton Number, and Operator Dimension in the Standard Model
Andrew Kobach
Use in this reference: Linked primary research paper. Used as a necessary selection-rule cross-check, not as a replacement for exact invariant counting.
Relevant material: Eqs. (15)–(18): d ≡ (ΔB − ΔL)/2 modulo 2 for Standard Model Lorentz- and hypercharge-invariant operators.
Dependent assertions
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