The Pseudothreshold Expansion of the 2-loop Sunrise Selfmass Master Amplitudes
classification
✦ hep-ph
keywords
amplitudespseudothresholdexpansionloopmastersunrisearbitraryconstructed
read the original abstract
The values at pseudothreshold of two loop sunrise master amplitudes with arbitrary masses are obtained by solving a system of differential equations. The expansion at pseudothreshold of the amplitudes is constructed and some lowest terms are explicitly presented.
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