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Natural dark matter in SUSY GUTs with non-universal gaugino masses

Natural dark matter in SUSY GUTs with non-universal gaugino masses
Natural dark matter in SUSY GUTs with non-universal gaugino masses
We consider neutralino dark matter within the framework of SUSY GUTs with non-universal gaugino masses. In particular we focus on the case of SU(5) with a SUSY breaking F-term in the 1, 24, 75 and 200 dimensional representations. We discuss the 24 case in some detail, and show that the bulk dark matter region cannot be accessed. We then go on to consider the admixture of the singlet SUSY breaking F-term with one of the 24, 75 or 200 dimensional F-terms, and show that in these cases it becomes possible to access the bulk regions corresponding to low fine-tuned dark matter. Our results are presented in the (M1, M2) plane for fixed M3 and so are useful for considering general GUT models, as well as more general non-universal gaugino models.
supersymmetry phenomenology, cosmology of theories beyond the sm
1-19
King, Stephan F.
f8c616b7-0336-4046-a943-700af83a1538
Roberts, Jonathan P.
01b8bb6a-a386-4f3c-a9d3-2647148e1bb8
Roy, Durga Prased
3875061a-560c-4832-ac6d-fef65261a6a2
King, Stephan F.
f8c616b7-0336-4046-a943-700af83a1538
Roberts, Jonathan P.
01b8bb6a-a386-4f3c-a9d3-2647148e1bb8
Roy, Durga Prased
3875061a-560c-4832-ac6d-fef65261a6a2

King, Stephan F., Roberts, Jonathan P. and Roy, Durga Prased (2007) Natural dark matter in SUSY GUTs with non-universal gaugino masses. Journal of High Energy Physics, 10 (106), 1-19. (doi:10.1088/1126-6708/2007/10/106).

Record type: Article

Abstract

We consider neutralino dark matter within the framework of SUSY GUTs with non-universal gaugino masses. In particular we focus on the case of SU(5) with a SUSY breaking F-term in the 1, 24, 75 and 200 dimensional representations. We discuss the 24 case in some detail, and show that the bulk dark matter region cannot be accessed. We then go on to consider the admixture of the singlet SUSY breaking F-term with one of the 24, 75 or 200 dimensional F-terms, and show that in these cases it becomes possible to access the bulk regions corresponding to low fine-tuned dark matter. Our results are presented in the (M1, M2) plane for fixed M3 and so are useful for considering general GUT models, as well as more general non-universal gaugino models.

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More information

Published date: 31 October 2007
Keywords: supersymmetry phenomenology, cosmology of theories beyond the sm

Identifiers

Local EPrints ID: 57393
URI: http://eprints.soton.ac.uk/id/eprint/57393
PURE UUID: bbc6bf5d-d7f9-4bde-a80a-59b97c7f350d

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Date deposited: 14 Aug 2008
Last modified: 15 Mar 2024 11:06

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Contributors

Author: Stephan F. King
Author: Jonathan P. Roberts
Author: Durga Prased Roy

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