Tree Amplitudes and Two-loop Counterterms in D=11 Supergravity

Details Tree Amplitudes and Two-loop Counterterms in D=11 Supergravity Tree Amplitudes and Two-loop Counterterms in D=11 Supergravity

2000-02-28

arxiv.org/abs/hep-th/0002241v1

Phys.Rev.D62:084010,2000

Physics

High Energy Physics

High Energy Physics - Theory

14 pages

Scientific paper

10.1103/PhysRevD.62.084010

We compute the tree level 4-particle bosonic scattering amplitudes in D=11 supergravity. By construction, they are part of a linearized supersymmetry-, coordinate- and 3-form gauge-invariant. While this on-shell invariant is nonlocal, suitable SUSY-preserving differentiations turn it into a local one with correct dimension to provide a natural lowest (two-loop) order counterterm candidate. Its existence shows explicitly that no symmetries protect this ultimate supergravity from the nonrenormalizability of its lower-dimensional counterparts.

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