Amplitudes from superconformal Ward identities
High Energy Physics - Theory
2018-07-18 v1 High Energy Physics - Phenomenology
Abstract
We consider finite superamplitudes of N=1 matter, and use superconformal symmetry to derive powerful first-order differential equations for them. Due to on-shell collinear singularities, the Ward identities have an anomaly, which is obtained from lower-loop information. We show that in the five-particle case, the solution to the equations is uniquely fixed by the expected analytic behavior. We apply the method to a non-planar two-loop five-particle integral.
Cite
@article{arxiv.1804.03571,
title = {Amplitudes from superconformal Ward identities},
author = {Dmitry Chicherin and Johannes M. Henn and Emery Sokatchev},
journal= {arXiv preprint arXiv:1804.03571},
year = {2018}
}
Comments
5 pages, 2 figures, 3 ancillary files