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Majoranized Feynman rules. (English) Zbl 1189.81160
Summary: We point out that the compact Feynman rules for Majorana fermions proposed by Denner et al. are in fact a convention for the complex phases of (anti)spinors, valid for both Majorana and Dirac fermions. We establish the relation of this phase convention with that common in the use of spinor techniques.
MSC:
81T18 Feynman diagrams
81R25 Spinor and twistor methods applied to problems in quantum theory
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