A Supersymmetric Resolution of the KARMEN Anomaly

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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LaTeX; 8 pages, 2 figures (uuencoded compressed postscript files included); Physics Letters B (in press); (Changes: References

Scientific paper


We consider the hypothesis that the recently reported anomaly in the time structure of signals in the KARMEN experiment is due to the production of a light photino (or Zino) which decays radiatively due to violation of $R$-parity. Such a particle is shown to be consistent with all experimental data and with cosmological nucleosynthesis. There are difficulties with constraints from SN~1987A but these may be evaded if squarks are non-degenerate in mass.

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