Appell Functions and the Scalar One-Loop Three-point Integrals in Feynman Diagrams

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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LaTex2e Lecture Notes in Computer Science style, 10 pages including 3 figures. Final version to appear in Proceeedings of the

Scientific paper

The scalar three-point function appearing in one-loop Feynman diagrams is
compactly expressed in terms of a generalized hypergeometric function of two
variables. Use is made of the connection between such Appell function and
dilogarithms coming from a previous investigation. Special cases are obtained
for particular values of internal masses and external momenta.

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