Prompt Decays of General Neutralino NLSPs at the Tevatron

Details Prompt Decays of General Neutralino NLSPs at the Tevatron Prompt Decays of General Neutralino NLSPs at the Tevatron

2009-11-23

arxiv.org/abs/0911.4130v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

41 pages, minor changes, added refs and discussion of previous literature

Scientific paper

Recent theoretical developments have shown that gauge mediation has a much larger parameter space of possible spectra and mixings than previously considered. Motivated by this, we explore the collider phenomenology of gauge mediation models where a general neutralino is the lightest MSSM superpartner (the NLSP), focusing on the potential reach from existing and future Tevatron searches. Promptly decaying general neutralino NLSPs can give rise to final states involving missing energy plus photons, Zs, Ws and/or Higgses. We survey the final states and determine those where the Tevatron should have the most sensitivity. We then estimate the reach of existing Tevatron searches in these final states and discuss new searches (or optimizations of existing ones) that should improve the reach. Finally we comment on the potential for discovery at the LHC.

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