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Clockwork SUSY: supersymmetric Ward and Slavnov-Taylor identities at workin Green's functions and scattering amplitudes

  • theoretical physics
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Abstract.

We study the cancellations among Feynman diagrams that implement the Ward and Slavnov-Taylor identities corresponding to the conserved supersymmetry current in supersymmetric quantum field theories. In particular, we show that the Faddeev-Popov ghosts of gauge and supersymmetries never decouple from the physical fields, even for abelian gauge groups. The supersymmetric Slavnov-Taylor identities provide efficient consistency checks for automatized calculations and can verify the supersymmetry of Feynman rules and the numerical stability of phenomenological predictions simultaneously.

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Authors and Affiliations

  1. Institut für Theoretische Physik und Astrophysik, Universität Würzburg, Am Hubland, 97074, Würzburg, Germany

    T. Ohl

  2. Institut für Theoretische Teilchenphysik, Universität Karlsruhe, 76128, Karlsruhe, Germany

    J. Reuter

Authors
  1. T. Ohl
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  2. J. Reuter
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Correspondence to T. Ohl.

Additional information

Received: 2 June 2003, Revised: 1 July 2003, Published online: 5 September 2003

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Ohl, T., Reuter, J. Clockwork SUSY: supersymmetric Ward and Slavnov-Taylor identities at workin Green's functions and scattering amplitudes. Eur. Phys. J. C 30, 525–536 (2003). https://doi.org/10.1140/epjc/s2003-01301-7

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  • DOI: https://doi.org/10.1140/epjc/s2003-01301-7

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