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Communication Dans Un Congrès Année : 2009

Relic density and future colliders: inverse problem(s)

Résumé

Relic density calculations are often used to constrain particle physics models, and in particular supersymmetry. We will show that the presence of additional energy or entropy before the Big-Bang nucleosynthesis can however completely change the relic density constraints on the SUSY parameter space. Therefore one should be extremely careful when using the relic density to constrain supersymmetry as it could give misleading results, especially if combined with the future collider data. Alternatively, we will also show that combining the discoveries of the future colliders with relic density calculations can shed light on the inaccessible pre-BBN dark time physics. Finally we will present SuperIso Relic, a new relic density calculator code in Supersymmetry, which incorporates alternative cosmological models, and is publicly available.

Dates et versions

in2p3-00437921 , version 1 (01-12-2009)

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Citer

A. Arbey, F. Mahmoudi. Relic density and future colliders: inverse problem(s). Invisible Universe International Conference: Toward a new cosmological paradigm, Jun 2009, Paris, France. 8 p. ⟨in2p3-00437921⟩
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