Skip to main content
SpringerLink
Log in

The neutralinos of theSU(N,1) minimal supergravity model and standard cosmology

  • Published:
Zeitschrift für Physik C Particles and Fields

Abstract

We discuss the effect of the lightest supersymmetric particle (LSP), a Higgsino, and of the gravitino of theSU(N,1) minimal SUGRA model in the standard big bang theory. The freeze out of the LSP depends on the gravitino mass and on the top mass and leads to restrictive lower bounds for these parameters in the model. The decay of a gravitino with mass in the few TeV range leads to a delay in the cooling of the universe before nucleosynthesis. This constitutes the main bound on the gravitino mass of the model. The results are compared with the more standard “simultaneous decay approximation”.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. U. Ellwanger, N. Dragon, M.G. Schmidt: Z. Phys. C—Particles and Fields 29 (1985) 209; N. Dragon, M.G. Schmidt, U. Ellwanger: Phys. Lett. 145B, (1984) 192

    Google Scholar 

  2. N. Dragon, U. Ellwanger, M.G. Schmidt: Supersymmetry and supergravity: In: Part. Nucl. Phys. 18 (1987) 1

  3. H. König, U. Ellwanger, M.G. Schmidt: Z. Phys. C—Particles and Fields 36 (1987) 715

    Google Scholar 

  4. MARK-J Collab. B. Adeva et al.: Phys. Rev. Lett. 53 (1984) 1806; JADE Collab. W. Bartel et al.: Z. Phys. C—Particles and Fields 29 (1985) 505; Phys. Lett. 152B (1985) 385

    Google Scholar 

  5. J. Ellis: Supersymmetry, supergravity and superstring phenomenology, CERN-TH. 4255 (1985)

  6. B., Lee, S. Weinberg: Phys. Rev. Lett. 39 (1977) 165

    Google Scholar 

  7. J. Ellis et al.: Nucl. Phys. B 238 (1984) 453

    Google Scholar 

  8. B.R. Greene P.J. Miron: Phys. Lett. 168B (1986) 226

    Google Scholar 

  9. Particle Data Group: Rev. Mod. Phys., Vol. 56 (1984)

  10. H. Pagels, J. Primack: Phys. Rev. Lett. 48 (1982) 223

    Google Scholar 

  11. S. Weinberg: Phys. Rev. Lett. 48 (1982) 1303

    Google Scholar 

  12. J. Ellis, J.E. Kim and D.V. Nanopoulos: Phys. Lett. 145B (1985) 181

    Google Scholar 

  13. P. Steinhardt, M.S. Turner: Phys. Rev. D 29 (1984) 2162; J. Ellis, D.V. Nanopoulos, K.A. Olive, K. Tamvakis: Nucl. Phys. 221 (1983) 524

    Google Scholar 

  14. R.J. Scherrer, M.S. Turner: Phys. Rev. D 31 (1985) 681

    Google Scholar 

  15. S. Weinberg: Gravity and cosmology 528–561 New York: Wiley 1972

    Google Scholar 

  16. J. Ellis, D.V. Nanopoulos, S. Sarkar: Nucl. Phys. B 259 (1985) 175

    Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Institut für Theoretische Physik, der Universität Heidelberg, Philosophenweg 16, D-6900, Heidelberg, Federal Republic of Germany

    A. O. Klemm & M. G. Schmidt

Authors
  1. A. O. Klemm
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. M. G. Schmidt
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Cite this article

Klemm, A.O., Schmidt, M.G. The neutralinos of theSU(N,1) minimal supergravity model and standard cosmology. Z. Phys. C - Particles and Fields 40, 591–598 (1988). https://doi.org/10.1007/BF01560230

Download citation

  • Received:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF01560230

Keywords

Search

Navigation