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hep-th2012★ 1 cited
Parity Symmetry and Soft Limit for the Cachazo-Geyer Gravity Amplitude
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 exp…
hep-th2012★ 8 cited
The Twelve-Graviton Next-to-MHV Amplitude from Risager's Construction
Eduardo Conde, Sayeh Rajabi
The MHV or CSW expansion of tree-level Yang-Mills amplitudes provides an elegant and simple way of obtaining analytic formulas for S-matrix elements. Inspired by the BCFW technique…