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QCDLoop: A comprehensive framework for one-loop scalar integrals
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DOI：10.1016/j.cpc.2016.07.033.png)
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Abstract
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We present a new release of the QCDLoop library based on a modern object-oriented framework. We discuss the available new features such as the extension to the complex masses, the possibility to perform computations in double and quadruple precision simultaneously, and useful caching mechanisms to improve the computational speed. We benchmark the performance of the new library, and provide practical examples of phenomenological implementations by interfacing this new library to Monte Carlo programs. Program summary Program Title: QCDLoop Program Files doi: http://dx.doi.org/10.17632/fwm42fgvx8.1 Licensing provisions: GNU Public License GPLv3 Programming language: c/c++, fortran 77/90, and python Nature of the physical problem: Computation of one-loop scalar integrals Solution method: Numerical evaluation of one-loop scalar integrals such as tadpole, bubble, triangle and box through analytic expressions (C) 2016 Elsevier B.V. All rights reserved.
Keywords:
One-loop scalar integrals
Tadpole
Bubble
Triangle
Box
Numerical evaluation
QCD
Feynman integrals
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