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MB tools reloaded

Oct 31, 2022

13 pages

Published in:

Nucl.Phys.B 986 (2023) 116067

Published: Jan, 2023

e-Print:

2211.00009 [hep-ph]

DOI:

10.1016/j.nuclphysb.2022.116067 (publication)

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Abstract: (Elsevier B.V.)

We address the problem of evaluation of multiloop Feynman integrals by means of their Mellin-Barnes representation. After a brief overview of available capabilities through open source toolkits and their application in various circumstances, we introduce a new code MBcreate which allows one to automatically deduce a concise Mellin-Barnes representation for a given parametric integral. A thorough discussion of its implementation and use is provided.

Note:

13 pages, 3 ancillary files; download repository @ https://bitbucket.org/feynmanIntegrals/mb/src/master/

programming
loop integral
Feynman graph: higher-order
perturbation theory: higher-order

References(40)

Figures(0)

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