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RESEARCH PRODUCT

The master two-loop two-point function. The general case

Dirk Kreimer

subject

PhysicsFeynman parametrizationNuclear and High Energy PhysicsRegularization (physics)Multiple integralWick rotationApplied mathematicsPropagatorPoint function

description

Abstract We present a new calculation of the two-loop two-point function. Avoiding standard techniques such as Feynman parametrization and Wick rotation we end up with a simple double integral representation valid for arbitrary mass-cases. Numerical and analytical checks confirm our result.

https://doi.org/10.1016/0370-2693(91)91684-n