Journal
PHYSICS LETTERS B
Volume 833, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2022.137369
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Funding
- Independent Research Fund Denmark [DFF 1056-00027B]
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This study proposes a novel mechanism in composite models that resolves the naturalness problem of the Standard Model and explains small-scale discrepancies by providing self-interacting dark matter and the Higgs itself as composite particles. The mechanism is based on top-quark partial compositeness and creates strong self-interactions for the dark matter candidates.
We propose a novel mechanism in composite models that provides self-interacting dark matter along with the Higgs itself as composite particles, alleviating the Standard Model naturalness problem and explaining small-scale discrepancies such as the core-cusp and too big to fail problems. These dark matter candidates are stable due to global U(1) symmetries of the composite dynamics and their strong self-interactions are created by the novel mechanism based on top-quark partial compositeness. The relic density of the dark matter candidates is particle anti-particle symmetric and due to thermal freeze-out. We implement this mechanism in a four-dimensional gauge theory with a minimal number of fermions charged under a new confining gauge group G(HC). (C) 2022 The Author(s). Published by Elsevier B.V.
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