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

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dc.creatorProfumo, Stefano
dc.date2008-01-04
dc.date2008-05-14
dc.date.accessioned2026-07-07T11:55:01Z
dc.date.available2026-07-07T11:55:01Z
dc.descriptionWe 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 both the X-ray and the radio emission, provided the average magnetic field is of the order of 0.1 microGauss. 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.
dc.description6 pages, 4 figures, matches published version
dc.identifierhttps://arxiv.org/abs/0801.0740
dc.identifierhttp://arxiv.org/abs/0801.0740
dc.identifierPhys.Rev.D77:103510,2008
dc.identifierdoi:10.1103/PhysRevD.77.103510
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/205112
dc.subjectAstrophysics
dc.subjectHigh Energy Physics - Phenomenology
dc.titleNon-thermal X-rays from the Ophiuchus galaxy cluster and dark matter annihilation
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