Scalar Singlet Dark Matter and Gamma Lines
Michael Duerr, Pavel Fileviez Perez, Juri Smirnov
TL;DR
This paper explores how scalar singlet dark matter could be detected through gamma-ray lines, analyzing constraints and predictions for various detection methods including gamma-ray telescopes, direct detection, and collider searches.
Contribution
It demonstrates the potential to observe gamma lines from scalar singlet dark matter annihilation, highlighting the model's testability with current and future experiments.
Findings
Gamma lines from dark matter annihilation are potentially observable.
Constraints from direct detection and LHC are compatible with gamma-ray signals.
Suppressed final state radiation enhances gamma line detectability.
Abstract
We point out the possibility to test the simplest scalar dark matter model at gamma-ray telescopes. We discuss the relevant constraints and show the predictions for direct detection, gamma line searches and LHC searches. Since the final state radiation processes are suppressed by small Yukawa couplings one could observe the gamma lines from dark matter annihilation.
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