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Teoreticheskaya i Matematicheskaya Fizika, 2024, Volume 219, Number 3, Pages 523–530
DOI: https://doi.org/10.4213/tmf10703 (Mi tmf10703) 		 
Simplifying the large-mass expansion of Feynman integrals

V. A. Smirnov

Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, Russia
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DOI: https://doi.org/10.4213/tmf10703
Abstract: We show how the well-known large-mass expansion of Feynman integrals can be simplified to obtain more terms of the expansion in analytic form. Expansion of two-loop four-point Feynman integrals that contribute to the $H \to ggg$ process is used as an example.
Keywords: Feynman integrals, dimensional regularization, large-mass expansion, expansion by regions.
Funding agency Grant number
Russian Science Foundation 21-71-30003
This work was supported by the Russian Science Foundation under grant No. 21-71-30003.
Received: 14.02.2024
Revised: 14.02.2024
English version:
Theoretical and Mathematical Physics, 2024, Volume 219, Issue 3, Pages 986–991
DOI: https://doi.org/10.1134/S0040577924060072
Bibliographic databases:
Document Type: Article
PACS: 10
MSC: 81
Language: Russian
Citation: V. A. Smirnov, “Simplifying the large-mass expansion of Feynman integrals”, TMF, 219:3 (2024), 523–530; Theoret. and Math. Phys., 219:3 (2024), 986–991
Citation in format AMSBIB
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    		Теоретическая и математическая физика Theoretical and Mathematical Physics
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