Extended coannihilations from non universal sfermion masses

Details Extended coannihilations from non universal sfermion masses Extended coannihilations from non universal sfermion masses

2003-05-05

arxiv.org/abs/hep-ph/0305040v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 5 figures, latex. Talk presented at the XXXVIIIth Rencontres de Moriond on ElectroWeak Interactions and Unified Theor

Scientific paper

We propose and analyse a GUT-inspired version of the MSSM featuring non universal sfermion masses boundary conditions and asymptotic b-tau Yukawa coupling unification. The particle spectrum of the model gives rise to extended coannihilation processes, involving the lightest sbottom and the tau sneutrino. We study the allowed parameter space, subject to cosmo-phenomenological requirements, and the details of the new coannihilations modes. Implications for direct and indirect neutralino searches, as well as for collider physics, are also briefly summarized.

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