Radiative production of invisible charginos in photon photon collision

Abstract

If in a supersymmetric model, the lightest chargino is nearly degenerate with the lightest neutralino, the former can decay into the latter alongwith a soft pion (or a lepton-neutrino pair). Near degeneracy of the chargino and neutralino masses can cause the other decay products (the pion or the lepton) to be almost invisible. Photon-photon colliders offer a possibility of clean detection of such an event through a hard photon tag.

12 pages, 5 postscript figures

References in corpus (10)

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• Testing the AMSB Model via $e^{+}{e}^{-}\to {\tilde{\chi }}^{+}{\tilde{\chi }}^{-}\gamma$}
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Cited by in corpus (2)

• Testing electroweak scale seesaw models at $e^{-}\gamma$ and $\gamma \gamma$ colliders
• Signals of sneutrino-antisneutrino mixing in an $e^{-}\gamma$ collider in anomaly-mediated supersymmetry breaking