6533b826fe1ef96bd1283981

RESEARCH PRODUCT

Pinch technique at two loops

Joannis Papavassiliou

subject

High Energy Physics::TheoryHigh Energy Physics::LatticeHigh Energy Physics::PhenomenologyFísica

description

It is shown that the fundamental properties of gauge-independence, gauge-invariance, unitarity, and analyticity of the S-matrix lead to the unambiguous generalization of the pinch technique algorithm to two loops.

10.1103/physrevlett.84.2782http://dx.doi.org/10.1103/PhysRevLett.84.2782