BROKEN SUPERSYMMETRY AND THE DIVERGENCE OF THE PERTURBATION SERIES IN QED

Apr, 1987
4 pages
Published in:
  • Phys.Lett.B 196 (1987) 365-368
  • Published: 1987
Report number:
  • FSU-HEP-870414

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Abstract: (Elsevier)
The n -bubble diagram contributions to the electron anomalous magnetic moment are studied. In supersymmetric QED, the photon- and photino-exchange contributions exactly cancel. When supersymmetry is broken, n ! growth is restored and Borel summability is apparently lost. The potential first renormalon singularity is absent but the second is present in both the non-supersymmetric and broken supersymmetry cases. Other possibilities for Borel summability are discussed.
  • quantum electrodynamics
  • supersymmetry: symmetry breaking
  • electron: magnetic moment
  • postulated particle: photino
  • field theory: vacuum polarization
  • model: on-shell
  • perturbation theory
  • renormalization: regularization
  • field theory: dimensional reduction
  • transformation: Borel
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