Non-thermal X-rays from the Ophiuchus galaxy cluster and dark matter annihilation

Details Non-thermal X-rays from the Ophiuchus galaxy cluster and dark matter annihilation Non-thermal X-rays from the Ophiuchus galaxy cluster and dark matter annihilation

Nov 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc.1078..551p&link_type=abstract

SUPERSYMMETRY AND THE UNIFICATION OF FUNDAMENTAL INTERACTIONS. AIP Conference Proceedings, Volume 1078, pp. 551-553 (2008).

Physics

Optics

2

X-Ray Beams And X-Ray Optics, Galaxy Clusters, X-Ray Scattering

Scientific paper

We investigate a scenario where the recently discovered non-thermal hard X-ray emission from the Ophiuchus cluster originates from inverse Compton scattering of energetic electrons and positrons produced in weakly interacting dark matter pair annihilations. We show that this scenario can account for the detected X-ray emission. We demonstrate that GLAST will conclusively test the dark matter annihilation hypothesis. Depending on the particle dark matter model, GLAST might even detect the monochromatic line produced by dark matter pair annihilation into two photons.

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