A Supersymmetric Resolution of the KARMEN Anomaly

Preprint

20 March 1996

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.hep-ph/9511357

Abstract

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.

Keywords

SUPERSYMMETRIC RESOLUTION
KARMEN EXPERIMENT
REPORTED ANOMALY
RADIATIVELY DUE
KARMEN ANOMALY
PRODUCTION
DECAYS

All Related Versions

Version 1, 1995-11-17, ArXiv
Version 2, 1996-03-20, ArXiv
Version 1, 1999-11-15, ArXiv (Unconfirmed version)
Version 2, 2000-02-03, ArXiv (Unconfirmed version)
Published version: Physics Letters B, 374 (1-3), 87.

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