Gluino Decays in Split Supersymmetry

Abstract

We compute the gluino lifetime and branching ratios in Split Supersymmetry. Using an effective-theory approach, we resum the large logarithmic corrections controlled by the strong gauge coupling and the top Yukawa coupling. We find that the resummation of the radiative corrections has a sizeable numerical impact on the gluino decay width and branching ratios. Finally, we discuss the gluino decays into gravitino, relevant in models with direct mediation of supersymmetry breaking.

21 pages, 6 figures

References in corpus (9)

• Aspects of Split Supersymmetry
• Signatures of long-lived gluinos in split supersymmetry
• Split Supersymmetry at Colliders
• Gluino decays with heavier scalar superpartners
• Limits on Split Supersymmetry from Gluino Cosmology
• Split Supersymmetry, stable gluino, and gluinonium
• Probing Split Supersymmetry with Cosmic Rays
• Split Supersymmetry from Anomalous U(1)
• Gluino Air Showers as a Signal of Split Supersymmetry

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