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pySecDec : a toolbox for the numerical evaluation of multi-scale integrals.

Borowka, S. and Heinrich, G. and Jahn, S. and Jones, S.P. and Kerner, M. and Schlenk, J. and Zirke, T. (2017) 'pySecDec : a toolbox for the numerical evaluation of multi-scale integrals.', Computer physics communications., 2018 (222). pp. 313-326.

Abstract

We present pySecDec, a new version of the program SecDec, which performs the factorization of dimensionally regulated poles in parametric integrals, and the subsequent numerical evaluation of the finite coefficients. The algebraic part of the program is now written in the form of python modules, which allow a very flexible usage. The optimization of the C++ code, generated using FORM, is improved, leading to a faster numerical convergence. The new version also creates a library of the integrand functions, such that it can be linked to user-specific codes for the evaluation of matrix elements in a way similar to analytic integral libraries.

Item Type:Article
Full text:(AM) Accepted Manuscript
First Live Deposit - 10 October 2018
Available under License - Creative Commons Attribution Non-commercial No Derivatives.
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1016/j.cpc.2017.09.015
Publisher statement:© 2018 This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Record Created:10 Oct 2018 10:58
Last Modified:10 Oct 2018 14:00

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