1 code implementation • 4 Jun 2018 • Simon Caron-Huot, Lance J. Dixon, Matt von Hippel, Andrew J. McLeod, Georgios Papathanasiou
This space, a prototype for the space of Steinmann hexagon functions, has a simple algebraic structure, which we elucidate by considering a particular discontinuity of the functions that localizes the Mellin integral and collapses the relevant symbol alphabet.
High Energy Physics - Theory
no code implementations • 20 Oct 2013 • Lance J. Dixon
I also describe the BCFW (on-shell) recursion relation at tree level, and explain how similar ideas - unitarity and on-shell methods - work at the loop level.
High Energy Physics - Phenomenology High Energy Physics - Theory
