Cristal and Azurite: new tools for integration-by-parts reductions
K. Larsen*, A. Georgoudis and Y. Zhang
Pre-published on:
January 29, 2018
Published on:
July 02, 2018
Abstract
Scattering amplitudes computed at a fixed loop order, along with any other object computed in perturbative quantum field theory, can be expressed as a linear combination of a finite basis of loop integrals. To compute loop amplitudes in practice, such a basis of integrals must be determined. We discuss Azurite (A ZURich-bred method for finding master InTEgrals), a publicly available package for finding bases of loop integrals. We also discuss Cristal (Complete Reduction of IntegralS Through All Loops), a future package that produces the complete integration-by-parts reductions.
DOI: https://doi.org/10.22323/1.290.0020
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