A supergravity explanation of the CDF $eeγγ$ event

Details A supergravity explanation of the CDF $eeγγ$ event A supergravity explanation of the CDF $eeγγ$ event

1996-07-02

arxiv.org/abs/hep-ph/9607220v1

Mod.Phys.Lett. A10 (1996) 2473-2480

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, LaTeX, 4 figures (included)

Scientific paper

We present a unified no-scale supergravity model with a light gravitino that can naturally explain the observed $ee\gamma\gamma$ event at CDF via right-handed selectron pair-production. The full spectrum of our model can be described in terms of a single parameter and can be distinguished from alternative proposals in the literature. Ongoing and future runs at LEP 2 should be able to probe the full allowed parameter space via acoplanar diphoton events from $e^+e^-\to\chi^0_1\chi^0_1$ production.

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