Journal
INTERNATIONAL JOURNAL OF MODERN PHYSICS A
Volume 23, Issue 10, Pages 1457-1486Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217751X08040263
Keywords
perturbation theory; multiloop; infrared factorisation
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Funding
- Science and Technology Facilities Council [PP/D00621X/2] Funding Source: researchfish
- STFC [PP/D00621X/2] Funding Source: UKRI
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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.
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