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Automatized analytic continuation of Mellin–Barnes integrals |高能物理数据集|数值计算数据集
收藏Mendeley Data2023-02-23 更新2024-06-26 收录
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https://data.mendeley.com/datasets/mmtpdx84sx
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Abstract
This paper describe a package written in MATHEMATICA that automatizes typical operations performed during evaluation of Feynman graphs with Mellin–Barnes (MB) techniques. The main procedure allows to analytically continue a MB integral in a given parameter without any intervention from the user and thus to resolve the singularity structure in this parameter. The package can also perform numerical integrations at specified kinematic points, as long as the integrands have satisfactory convergen...
Title of program: MB
Catalogue Id: ADYG_v1_0
Nature of problem
Analytic continuation of Mellin-Barnes integrals in a parameter and subsequent numerical evaluation. This is necessary for evaluation of Feynman integrals from Mellin-Barnes representations.
Versions of this program held in the CPC repository in Mendeley Data
ADYG_v1_0; MB; 10.1016/j.cpc.2006.07.002
This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2019)
创建时间：
2020-01-06
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