1207.4289 (Brenda Penante et al.)

Parity Symmetry and Soft Limit for the Cachazo-Geyer Gravity Amplitude    [PDF]

Brenda Penante, Sayeh Rajabi, Grigory Sizov

In this note, we prove that the recent proposal for the tree-level n-particle N=8 supergravity amplitudes by Cachazo and Geyer satisfies parity symmetry and soft limit behavior expected for graviton scattering amplitudes.

View original: http://arxiv.org/abs/1207.4289