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The two-loop five-point amplitude in super-Yang-Mills theory
Samuel Abreu, Lance J. Dixon, Enrico Herrmann +2
We compute the symbol of the two-loop five-point scattering amplitude in = 4 super-Yang-Mills theory, including its full color dependence. This requires constructing…
Five-Point Two-Loop Amplitudes from Numerical Unitarity
Samuel Abreu, Fernando Febres Cordero, Harald Ita +2
We present advances in the development of the numerical unitarity method for the computation of multi-loop amplitudes in QCD. As an application, we show results for all the leading…
Two-loop D-dimensional unitarity and dual conformal symmetry
Zvi Bern, Michael Enciso, Harald Ita +1
In this talk we show that dual conformal symmetry has unexpected applications to Feynman integrals in dimensional regularization. Outside dimensions, the symmetry is anomalous,…
Differential equations from unitarity cuts: nonplanar hexa-box integrals
Samuel Abreu, Ben Page, Mao Zeng
We compute -factorized differential equations for all dimensionally-regularized integrals of the nonplanar hexa-box topology, which contribute for instance to 2-loop 5-point QCD…
Dual Conformal Structure Beyond the Planar Limit
Zvi Bern, Michael Enciso, Chia-Hsien Shen +1
The planar scattering amplitudes of super-Yang--Mills theory display symmetries and structures which underlie their relatively simple analytic properties such as…
Ultraviolet Properties of N = 8 Supergravity at Five Loops
Zvi Bern, John Joseph Carrasco, Wei-Ming Chen +5
We use the recently developed generalized double-copy construction to obtain an improved representation of the five-loop four-point integrand of supergravity whose leading…