Software

PUBDB-2024-06114

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png BestLime 1.2: a C++ library for computing Fourier-Bessel transforms with Levin's integration method

Diehl, M. (Corresponding author)DESY* ; Grocholski, O.DESY*

2024

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Please use a persistent id in citations: doi:10.5281/zenodo.13844084  doi:10.3204/PUBDB-2024-06114

Abstract: BestLime provides methods for computing the integral of a function f(z) times J(nu, z q), where J(nu, x) is a Bessel function of the first kind.New in version 1.2: (i) Add functions to compute integration weights for a given value of q. (ii) Use these weights to speed up integration calls that take several functions as argument. (iii) Changes in the implementation of the class that handles integrands which increase as z goes to infinity.These allow for higher integration precision in our benchmark examples, after small adjustments to the interpolation grids.

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Contributing Institute(s):

1. Theorie-Gruppe (T)

Research Program(s):

1. 611 - Fundamental Particles and Forces (POF4-611) (POF4-611)
2. DFG project G:(GEPRIS)430915355 - Multi-Parton Wechselwirkungen und Beiträge mit höherem Twist (430915355) (430915355)

Experiment(s):

1. No specific instrument

Appears in the scientific report 2024

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