Gluino Decays in Split Supersymmetry

Details Gluino Decays in Split Supersymmetry Gluino Decays in Split Supersymmetry

2005-06-22

arxiv.org/abs/hep-ph/0506214v1

Nucl.Phys. B726 (2005) 35-52

Physics

High Energy Physics

High Energy Physics - Phenomenology

21 pages, 6 figures

Scientific paper

10.1016/j.nuclphysb.2005.08.011

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.

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