Abstract
Anomalous missing-${p}_{T}$ events observed at the CERN $p\stackrel{-}{p}$ collider can be plausibly explained by the photino decay mode $\stackrel{\ifmmode \tilde{}\else \~{}\fi{}}{q}\ensuremath{\rightarrow}q\stackrel{\ifmmode \tilde{}\else \~{}\fi{}}{\ensuremath{\gamma}}$ of scalar quarks with mass \ensuremath{\sim} 100 GeV. This gives a Jacobian peak in the jet ${p}_{T}$ distribution suggested by the data of Arnison et al. Two-photon decays of ${\ensuremath{\pi}}^{0}$, $\ensuremath{\eta}$, ${\ensuremath{\eta}}^{\ensuremath{'}}$ may account for the "photon" events. To account for the reported rates and to avoid gluino mass limits, the gluino and photino must be light and nearly degenerate.
Published Version
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