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High Energy Physics - Phenomenology

arXiv:hep-ph/0412048 (hep-ph)
[Submitted on 3 Dec 2004]

Title:Gauge Mediated Supersymmetry Breaking and Multi-TeV Gamma-Rays from the Galactic Center

Authors:Dan Hooper, John March-Russell
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Abstract: Recently, the HESS telescope has observed a gamma-ray spectrum from the galactic center extending to at least $\sim$10 TeV. Although it has been suggested that this could be the product of annihilating dark matter particles, the candidates most frequently discussed (such as neutralinos) are far too light to account for this flux. In this letter, we consider stable particles from the messenger sector of gauge mediated supersymmetry breaking models as an alternative dark matter candidate. We find that a 20 to 30 TeV messenger state can provide a thermal relic density consistent with the measured dark matter density of the universe and can indeed generate the spectrum observed by HESS.
Comments: 9 pages, 2 figures
Subjects: High Energy Physics - Phenomenology (hep-ph); Astrophysics (astro-ph)
Report number: OUTP-04/23P
Cite as: arXiv:hep-ph/0412048
  (or arXiv:hep-ph/0412048v1 for this version)
  https://doi.org/10.48550/arXiv.hep-ph/0412048
Journal reference: Phys.Lett. B608 (2005) 17-23
Related DOI: https://doi.org/10.1016/j.physletb.2004.12.046

Submission history

From: Dan Hooper [view email]
[v1] Fri, 3 Dec 2004 14:27:32 UTC (50 KB)
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