A Supersymmetric Resolution of the KARMEN Anomaly

Debajyoti Choudhury; Subir Sarkar

A Supersymmetric Resolution of the KARMEN Anomaly

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arxiv hep-ph/9511357 v2 pith:FUSQBPIV submitted 1995-11-17 hep-ph

Debajyoti Choudhury , Subir Sarkar This is my paper

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keywords anomalykarmenconsiderconsistentconstraintscosmologicaldatadecays

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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.

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