Feynman-Dyson rules in parametric space
- 15 December 1974
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 10 (12) , 3978-3991
- https://doi.org/10.1103/physrevd.10.3978
Abstract
Concise and practical formulas for Feynman-parametric integrals are assembled and presented in the form of Feynman-Dyson rules in parametric space. These rules enable us to write down -matrix elements directly in terms of some parametric functions. They are particularly useful for construction of ultraviolet- and infrared-divergence-free Feynman-parametric integrals in a form suitable for numerical integration.
Keywords
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