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Cosmological wimps, higgs dark matter and GLAST
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics. Stockholm University, Sweden.
2007 (English)In: Frascati Physics Series, 2007, 87-94 p.Conference paper (Refereed)
Abstract [en]

Measurement of the extragalactic background (EGBR) of diffuse gamma- rays is perhaps one of the most challenging tasks for future gamma- ray observatories, such as GLAST. This is because any determination will depend on accurate subtraction of the galactic diffuse and celestial foregrounds, as well as point sources. However, the EGBR is likely to contain very rich information about the high energy-gamma ray sources of the Universe at cosmological distances. We focus on the ability of GLAST to detect a signal from dark matter in the EGBR. We present sensitivities for generic thermal WIMPs and the Inert Higgs Doublet Model. Also we discuss the various aspects of astro- physics and particle physics that determines the shape and strength of the signal, such as dark matter halo properties and different dark matter candidates. Other possible sources to the EGBR are also discussed, such as unresolved AGNs, and viewed as backgrounds.

Place, publisher, year, edition, pages
2007. 87-94 p.
, Frascati Physics Series, ISSN 1122-5157 ; 45
Keyword [en]
Experiments, Gamma rays
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-154648ScopusID: 2-s2.0-84890054365OAI: diva2:758683
5th International Workshop on Science with the New Generation High Energy Gamma-Ray Experiments - The Light of the Dark: Solving the Mysteries of the Universe, SciNeGHE 2007, 18 June 2007 through 20 June 2007, Frascati, Rome, Italy

QC 20141028

Available from: 2014-10-28 Created: 2014-10-27 Last updated: 2014-10-28Bibliographically approved

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