
arXiv: 0803.4177
Sector decomposition is a constructive method to isolate divergences from parameter integrals occurring in perturbative quantum field theory. We explain the general algorithm in detail and review its application to multiloop Feynman parameter integrals as well as infrared divergent phase-space integrals over real radiation matrix elements.
High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), infrared factorisation, Research exposition (monographs, survey articles) pertaining to quantum theory, FOS: Physical sciences, multiloop, Feynman diagrams, Perturbative methods of renormalization applied to problems in quantum field theory, perturbation theory
High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), infrared factorisation, Research exposition (monographs, survey articles) pertaining to quantum theory, FOS: Physical sciences, multiloop, Feynman diagrams, Perturbative methods of renormalization applied to problems in quantum field theory, perturbation theory
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