Abstract
The differential approach to perturbative collision amplitudes is adapted to treat the self energy diagram so providing a differential model for Feynman diagrams with logarithmic integrands.
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Cunningham, J. Self energy differential formalism. Acta Physica 34, 105–109 (1973). https://doi.org/10.1007/BF03158087
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DOI: https://doi.org/10.1007/BF03158087