Implications of Planck and MAP Measurements On Sparticle Spectra

Details Implications of Planck and MAP Measurements On Sparticle Spectra Implications of Planck and MAP Measurements On Sparticle Spectra

1998-01-28

arxiv.org/abs/hep-ph/9801428v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages including 3 figures, uses sprocl sty; Invited talk at the International Workshop On Particle Physics And The Early Uni

Scientific paper

Future sattelite (MAP and Planck) balloon and ground based experiments will the determine the basic cosmological parameters within a few percent. We examine here the effect of this on constraining the SUSY parameter space for supergravity R-parity conserving models (with tanbeta < 25) for the cases of nuCDM and LambdaCDM cosmological models. For the nuCDM (LambdaCDM) models, the gluino mass is restricted by m_g~ < 720(540)GeV. In both cases, the cosmological constraints are sensitive to non-universal SUSY soft breaking producing a lower bound m_g~ > 400GeV in some regions and for the nuCDM model, gaps in the allowed m_g~ range for other regions. For gluino (neutralino) masses greater than 450(65)GeV, m_0 is constrained to be small making the quark and slepton mass light generally light and detrmined mostly by m_g~.

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