TL;DR
This paper explores the viability of gravitino as dark matter within gauge mediated supersymmetry breaking models, focusing on the influence of MSSM singlet messengers in SO(10) grand unification.
Contribution
It investigates the role of MSSM singlet messengers in gravitino dark matter scenarios under gauge mediation and SO(10) unification.
Findings
MSSM singlet messengers significantly impact gravitino dark matter properties.
Gauge mediation models can produce viable light gravitino dark matter candidates.
The role of grand unification influences the gravitino mass and interactions.
Abstract
We address the question of gravitino dark matter in the context of gauge mediated supersymmetry breaking models. A special emphasis is put on the role played by the MSSM singlet messenger in the case of SO(10) grand unification.
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