Search for Dark Matter with GLAST

doi:10.1016/j.nuclphysbps.2004.08.020

Nuclear Physics B - Proceedings Supplements

Volume 134, September 2004, Pages 127-129

https://doi.org/10.1016/j.nuclphysbps.2004.08.020 Get rights and content

The energy domain between 10 MeV and hundreds of GeV is an essential one for the multifrequency study of extreme astrophysical sources and the experiment GLAST will fill this energy region from the fall of 2006. GLAST is particularly interesting for the supersymmetric particle search because, if neutralinos make up the dark matter of our galaxy, the detection of gamma rays due to pair annihilation of dark matter particles in the Milky Way halo is a viable techniques to search for supersymmetric dark matter candidates. Here we will present the achievable limits with this experiment.

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A few multiplets that can be added to the SM contain a lightest neutral component which is automatically stable and provides allowed DM candidates with a non-standard phenomenology. Thanks to coannihilations, a successful thermal abundance is obtained for well defined DM masses. The best candidate seems to be a $SU {(2)}_{L}$ fermion quintuplet with mass 4.4 TeV, accompanied by a charged partner $166 MeV$ heavier with life-time $1.8 cm$ , that manifests at colliders as charged tracks disappearing in $π^{\pm}$ with 97.7% branching ratio. The cross section for usual NC direct DM detection is $σ_{SI} = f^{2} 1.0 \times 10^{−43} {cm}^{2}$ where $f \sim 1$ is a nucleon matrix element. We study prospects for CC direct detection and for indirect detection.
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Nuclear Physics B - Proceedings Supplements

Search for Dark Matter with GLAST

Nuclear Physics B

Comp. Phys. Comm.

Rept. Prog. Phys.

Minimal dark matter

Gamma-ray constraints on dark matter annihilation into charged particles

Conservative constraints on dark matter annihilation into gamma rays

Dark matter and collider phenomenology with two light supersymmetric Higgs bosons