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https://hdl.handle.net/2440/96281
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Type: | Journal article |
Title: | Predictions of a natural SUSY dark matter model for direct and indirect detection experiments |
Author: | Mohanty, S. Rao, S. Roy, D. |
Citation: | The Journal of High Energy Physics, 2012; 2012(11):175-1-175-17 |
Publisher: | Springer |
Issue Date: | 2012 |
ISSN: | 1029-8479 1029-8479 |
Statement of Responsibility: | Subhendra Mohanty, Soumya Rao, and D.P. Roy |
Abstract: | The most natural region of cosmologically compatible dark matter relic density in terms of low fine-tuning in a minimal supersymmetric standard model with nonuniversal gaugino masses is the so called bulk annihilation region. We study this region in a simple and predictive SUSY-GUT model of nonuniversal gaugino masses, where the latter transform as a combination of singlet plus a nonsinglet representation of the GUT group SU(5). The model prediction for the direct dark matter detection rates is well below the present CDMS and XENON100 limits, but within the reach of a future 1Ton XENON experiment. The most interesting and robust model prediction is an indirect detection signal of hard positron events, which resembles closely the shape of the observed positron spectrum from the PAMELA experiment. |
Keywords: | Supersymmetry Phenomenology |
Rights: | © SISSA 2012 |
DOI: | 10.1007/JHEP11(2012)175 |
Published version: | http://dx.doi.org/10.1007/jhep11(2012)175 |
Appears in Collections: | Aurora harvest 7 Physics publications |
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