English

On NMHV form factors in N=4 SYM theory from generalized unitarity

High Energy Physics - Theory 2015-06-04 v3

Abstract

In this paper a supersymmetric version of a generalized unitarity cut method in application to MHV and NMHV for form factors of operators from the N=4 SYM stress-tensor current supermultiplet TABT^{AB} at one loop is discussed. The explicit answers for 3 and 4 point NMHV form factors at tree and one loop level are obtained. The general structure of n-point NMHV form factor at one loop is discussed as well as the relation between form factor with super momentum equal to zero and the logarithmic derivative of the superamplitude with respect to the coupling constant.

Keywords

Cite

@article{arxiv.1203.2596,
  title  = {On NMHV form factors in N=4 SYM theory from generalized unitarity},
  author = {L. V. Bork},
  journal= {arXiv preprint arXiv:1203.2596},
  year   = {2015}
}

Comments

Latex, 43 pages, 11 figures; v3: JHEP ver., minor changes, typos corrected, ref. added