# Manifesting enhanced cancellations in supergravity: integrands versus integrals

@article{Bern2017ManifestingEC, title={Manifesting enhanced cancellations in supergravity: integrands versus integrals}, author={Z. Bern and Michael Enciso and Julio Parra-Martinez and Mao Zeng}, journal={Journal of High Energy Physics}, year={2017}, volume={2017}, pages={1-29} }

A bstractExamples of ‘enhanced ultraviolet cancellations’ with no known standard-symmetry explanation have been found in a variety of supergravity theories. By examining one- and two-loop examples in four- and five-dimensional half-maximal supergravity, we argue that enhanced cancellations in general cannot be exhibited prior to integration. In light of this, we explore reorganizations of integrands into parts that are manifestly finite and parts that have poor power counting but integrate to… Expand

#### 12 Citations

Ultraviolet properties of
N=8
supergravity at five loops

- Physics
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We use the recently developed generalized double-copy construction to obtain an improved representation of the five-loop four-point integrand of $N = 8$ supergravity whose leading ultraviolet… Expand

UV cancellations in gravity loop integrands

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A bstractIn this work we explore the properties of four-dimensional gravity integrands at large loop momenta. This analysis can not be done directly for the full off-shell integrand but only becomes… Expand

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A bstractThe discovery of colour-kinematic duality has led to significant progress in the computation of scattering amplitudes in quantum field theories. At tree level, the origin of the duality can… Expand

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Feynman diagrams have been superseded as the tool of choice for calculating scattering amplitudes. Various other methods are not only more efficient but also explicitly exhibit beautiful structures… Expand

Two-loop supersymmetric QCD and half-maximal supergravity amplitudes

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- 2017

A bstractUsing the duality between color and kinematics, we construct two-loop four-point scattering amplitudes in N=2$$ \mathcal{N}=2 $$ super-Yang-Mills (SYM) theory coupled to Nf fundamental… Expand

One-loop amplitudes for N$$ \mathcal{N} $$ = 2 homogeneous supergravities

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A bstractWe compute one-loop matter amplitudes in homogeneous Maxwell-Einstein supergravities with N$$ \mathcal{N} $$ = 2 supersymmetry using the double-copy construction. We start from amplitudes of… Expand

Scattering on plane waves and the double copy

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- 2017

Perturbatively around flat space, the scattering amplitudes of gravity are related to those of Yang-Mills by colour-kinematic duality, under which gravitational amplitudes are obtained as the 'double… Expand

On quantum compatibility of counterterm deformations and duality symmetries in N≥5$$ \mathcal{N}\ge 5 $$ supergravities

- Physics
- Journal of High Energy Physics
- 2018

A bstractIn N=5$$ \mathcal{N}=5 $$, 6, 8 supergravities there are hidden symmetries of equations of motion, described by duality groups SU(1, 5), SO*(12), E7(7) respectively. UV divergences and known… Expand

Scattering Amplitudes in Supersymmetric Quantum Chromodynamics and Gravity

- Physics
- 2019

Quantum field theory is a theoretical framework for the description of nature in terms of fundamental particles, fields and their interactions. In the quantum regime, elementary scattering processe… Expand

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