Possible Signals of Wino LSP at the Large Hadron Collider

Abstract

We consider a class of anomaly-mediated supersymmetry breaking models where gauginos acquire masses mostly from anomaly mediation while masses of other superparticles are from Kahler interactions, which are as large as gravitino mass, O(10-100) TeV. In this class of models, the neutral Wino becomes the lightest superparticle in a wide parameter region. The mass splitting between charged and neutral Winos are very small and experimental discovery of such Winos is highly non-trivial. We discuss how we should look for Wino-induced signals at Large Hadron Collider.

15 pages, 3 figures

References in corpus (4)

• The Gravitino-Overproduction Problem in Inflationary Universe
• Inflaton Decay through Supergravity Effects
• A New Inflation Model with Anomaly-mediated Supersymmetry Breaking
• Stau-catalyzed Nuclear Fusion

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