No-scale supergravity confronts LEP diphoton events

Details No-scale supergravity confronts LEP diphoton events No-scale supergravity confronts LEP diphoton events

1996-10-03

arxiv.org/abs/hep-ph/9610235v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, LaTeX, 4 figures (included). Updated to include full LEP161 data

Scientific paper

We examine the possibility that some anomalous acoplanar diphoton events observed at LEP may be consistent with the predictions of our previously proposed one-parameter no-scale supergravity model with a light gravitino, via the process e^+e^- -> chi chi -> gamma gamma+E_miss. We find that one such event may indeed be consistent with the model predictions for m_chi \approx (60-70) GeV. This region of parameter space is also consistent with the selectron and chargino interpretations of the CDF ee gamma gamma + E_T,miss event.

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