
TL;DR
This paper explores how dark matter direct detection experiments constrain models linking WIMP dark matter to the hierarchy problem's unnaturalness, highlighting the importance of couplings to the Higgs and the role of warped extra dimensions.
Contribution
It provides a model-independent analysis of gauge-singlet WIMPs, discusses experimental bounds, and examines the implications for unnatural theories and warped extra dimensions.
Findings
Current direct detection data constrain WIMP models related to unnaturalness.
Couplings to the Higgs mass operator are significant in fine-tuned models.
Warped extra dimensions are promising frameworks for flavor, Higgs, and dark matter issues.
Abstract
The WIMP "miracle" suggests a new physics threshold ranging from the weak scale up to several tens of TeVs. Obtaining the correct dark matter density in many theories aiming to solve the hierarchy problem may thus require some amount of tuning of the weak scale, hinting at a possible connection between WIMP dark matter and unnaturalness. We point out that dark matter direct detection is a very efficient probe of these unnatural models, and that existing data already provide important clues to the nature of the associated WIMPs. We present a model-independent, relativistic analysis of the signatures of a gauge-singlet dark matter candidate of arbitrary spin, and discuss the current experimental bounds from LUX and XENON100. For complex WIMPs, dark matter direct detection is complementary to electroweak precision tests, and can even compete with flavor constraints if the dark matter has…
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Taxonomy
TopicsDark Matter and Cosmic Phenomena · Particle physics theoretical and experimental studies · Cosmology and Gravitation Theories
