The Pinch Technique Approach to the Physics of Unstable Particles
classification
✦ hep-ph
keywords
particlespinchtechniqueunstableapproachconsistentcrucialdefinition
read the original abstract
The consistent description of unstable particles within the framework of perturbative gauge field theories necessitates the definition and resummation of off-shell Green's functions, which must respect several crucial physical requirements. We present the solution to this problem at one-loop, using the pinch technique.
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