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1976•Physical Review LettersRequires access

Infrared Finiteness in Yang-Mills Theories

Thomas Appelquist, J. Carazzone, H. Kluberg-Stern, M. Roth

Open publisher page 89 citations

Abstract

The infrared divergences of renormalizable theories with coupled massless fields (in particular the Yang-Mills theory) are shown to cancel for transition probabilities corresponding to finite-energy-resolution detectors, just as in quantum electrodynamics. This result is established through lowest nontrivial order in perturbation theory for the detection of massive muons in a quantum electrodynamic theory containing massless electrons or the detection of massive quarks in a Yang-Mills theory.

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What this paper is about

The infrared divergences of renormalizable theories with coupled massless fields (in particular the Yang-Mills theory) are shown to cancel for transition probabilities corresponding to finite-energy-resolution detectors, just as in quantum electrodynamics. This result is established through lowest nontrivial order in perturbation theory for the detection of massive muons in a quantum electrodynamic theory containing massless electrons or the detection of massive quarks in a Yang-Mills theory.

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OpenAlex reports 89 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

The infrared divergences of renormalizable theories with coupled massless fields (in particular the Yang-Mills theory) are shown to cancel for transition probabilities corresponding to finite-energy-resolution detectors, just as in quantum electrodynamics. This result is established through lowest nontrivial order in perturbation theory for the detection of massive muons in a quantum electrodynamic theory containing massless electrons or the detection of massive quarks in a Yang-Mills theory.

Key concepts: Physics, Massless particle, Perturbation theory (quantum mechanics), Yang–Mills theory, Quark, Quantum field theory, Quantum electrodynamics, Infrared

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