Azurite and Cristal: new tools for integration-by-parts reductions

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• Kasper Larsen (Southampton University)
• Friday 17 November 2017, 16:00-17:00
• MR19 (Potter Room, Pavilion B), CMS.

If you have a question about this talk, please contact Francesco Coradeschi.

Scattering amplitudes computed at a fixed loop order, along with any other object computed in perturbative QFT , 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. In this talk I introduce a new algorithm for finding bases of loop integrals and discuss its implementation in the publicly available package Azurite. I will also discuss an algorithm which provides complete integration-by-parts reductions and its applications to differential equations for loop integrals.

This talk is part of the HEP phenomenology joint Cavendish-DAMTP seminar series.

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