Gaugino mass without singlets

@article{Giudice1998GauginoMW,
  title={Gaugino mass without singlets},
  author={Gian Francesco Giudice and Markus A. Luty and Hitoshi Murayama and Riccardo Rattazzi},
  journal={Journal of High Energy Physics},
  year={1998},
  volume={1998},
  pages={027-027}
}
In models with dynamical supersymmetry breaking in the hidden sector, the gaugino masses in the observable sector have been believed to be extremely suppressed (below 1 keV), unless there is a gauge singlet in the hidden sector with specific couplings to the observable sector gauge multiplets. We point out that there is a pure supergravity contribution to gaugino masses at the quantum level arising from the superconformal anomaly. Our results are valid to all orders in perturbation theory and… 
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