Dec 14 – 15, 2023
Centre for Particle Theory
Europe/London timezone

Calculating the Rational Part of Two-Loop Yang-Mills Amplitudes

Not scheduled
Centre for Particle Theory

Centre for Particle Theory

Department of Physics Durham University South Road Durham DH1 3LE
Long Talk (20 mins)


Siddharth Pandey (Swansea University)


In the calculation of loop-level amplitudes the use of 4-dimensional unitarity cuts over D-dimensional cuts offers simplifications, both theoretical and computational, but at the cost of being unable to detect certain rational terms. We can reconstruct these rational terms using BCFW recursion, however the presence of double poles at two-loop level requires us to modify the traditional technique. In this talk we will look at a work in progress, using Augmented Recursion to calculate the rational part of the two-loop five-point single-minus Yang-Mills amplitude, with a view to extend the method to higher point amplitudes.

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Primary author

Siddharth Pandey (Swansea University)

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