The duality between color and kinematics and its applications

Z Bern, JJ Carrasco, M Chiodaroli… - Journal of Physics A …, 2024 - iopscience.iop.org
This review describes the duality between color and kinematics and its applications, with the
aim of gaining a deeper understanding of the perturbative structure of gauge and gravity …

Radiative classical gravitational observables at (G3) from scattering amplitudes

E Herrmann, J Parra-Martinez, MS Ruf… - Journal of High Energy …, 2021 - Springer
A bstract We compute classical gravitational observables for the scattering of two spinless
black holes in general relativity and\(\mathcal {N}\)= 8 supergravity in the formalism of …

The SAGEX review on scattering amplitudes Chapter 7: Positive geometry of scattering amplitudes

E Herrmann, J Trnka - Journal of Physics A: Mathematical and …, 2022 - iopscience.iop.org
Scattering amplitudes are both a wonderful playground to discover novel ideas in quantum
field theory and simultaneously of immense phenomenological importance to make …

Functions beyond multiple polylogarithms for precision collider physics

JL Bourjaily, J Broedel, E Chaubey, C Duhr… - arXiv preprint arXiv …, 2022 - arxiv.org
Feynman diagrams constitute one of the essential ingredients for making precision
predictions for collider experiments. Yet, while the simplest Feynman diagrams can be …

Constructing d-log integrands and computing master integrals for three-loop four-particle scattering

J Henn, B Mistlberger, VA Smirnov… - Journal of High Energy …, 2020 - Springer
A bstract We compute all master integrals for massless three-loop four-particle scattering
amplitudes required for processes like di-jet or di-photon production at the LHC. We present …

Bounded collection of Feynman integral Calabi-Yau geometries

JL Bourjaily, AJ McLeod, M Von Hippel, M Wilhelm - Physical review letters, 2019 - APS
We define the rigidity of a Feynman integral to be the smallest dimension over which it is
nonpolylogarithmic. We prove that massless Feynman integrals in four dimensions have a …

The cosmic Galois group and extended Steinmann relations for planar = 4 SYM amplitudes

S Caron-Huot, LJ Dixon, F Dulat, M Von Hippel… - Journal of High Energy …, 2019 - Springer
A bstract We describe the minimal space of polylogarithmic functions that is required to
express the six-particle amplitude in planar\(\mathcal {N}\)= 4 super-Yang-Mills theory …

Five-loop four-point integrand of supergravity as a generalized double copy

Z Bern, JJ Carrasco, WM Chen, H Johansson… - Physical Review D, 2017 - APS
We use the recently developed generalized double-copy procedure to construct an
integrand for the five-loop four-point amplitude of N= 8 supergravity. This construction starts …

Analytic helicity amplitudes for two-loop five-gluon scattering: the single-minus case

S Badger, C Brønnum-Hansen, HB Hartanto… - Journal of High Energy …, 2019 - Springer
We present a compact analytic expression for the leading colour two-loop five-gluon
amplitude in Yang-Mills theory with a single negative helicity and four positive helicities. The …

Duals of Feynman Integrals. Part II. Generalized unitarity

S Caron-Huot, A Pokraka - Journal of High Energy Physics, 2022 - Springer
A bstract The first paper of this series introduced objects (elements of twisted relative
cohomology) that are Poincaré dual to Feynman integrals. We show how to use the pairing …