Skip to main content

New answers tagged

2 votes

Complex BCFW-shift of Parke-Taylor amplitude

The BCFW recursion relation is mainly used to recursively build connected $n$-point tree-amplitudes. The point of Exercise 3.3 in Ref. 1 is to check that the residue theorem works on the Riemann ...
Qmechanic's user avatar
  • 204k

Top 50 recent answers are included