A Recursive Method to Calculate UV-divergent Parts at One-Loop Level in Dimensional Regularization
classification
✦ hep-ph
keywords
methodcalculatedimensionalintegralslevelmomentumone-loopparts
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A method is introduced to calculate the UV-divergent parts at one-loop level in dimensional regularization. The method is based on the recursion, and the basic integrals are just the scaleless integrals after the recursive reduction, which involve no other momentum scales except the loop momentum itself. The method can be easily implemented in any symbolic computer language, and an implementation in Mathematica is ready to use.
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Forward citations
Cited by 1 Pith paper
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Subtraction of infrared divergences in light-quark QCD sum rules
A subtraction formula is presented to eliminate infrared divergences in light-quark propagators for QCD sum rules at the propagator level.
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