Two-loop Renormalization for Nonanticommutative N = 1 2 Supersymmetric WZ Model

  title={Two-loop Renormalization for Nonanticommutative N = 1 2 Supersymmetric WZ Model},
  author={Marcus T. Grisaru and Silvia Penati and Alberto Romagnoni},
We study systematically, through two loops, the divergence structure of the supersymmetric WZ model defined on the N = 1 2 nonanticommutative superspace. By introducing a spurion field to represent the supersymmetry breaking term F 3 we are able to perform our calculations using conventional supergraph techniques. Divergent terms proportional to F , F 2 and F 3 are produced (the first two are to be expected on general grounds) but no higher-point divergences are found. By adding ab initio F and… CONTINUE READING
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