Topological Portal to the Dark Sector
arxiv(2024)
摘要
We propose a topological portal between quantum chromodynamics (QCD) and a
dark QCD-like sector, present only for a unique coset structure after
confinement, which connects three QCD to two dark pions. When gauged, it serves
as the leading portal between the two sectors, providing an elegant
self-consistent scenario of light thermal inelastic dark matter. The inherent
antisymmetrization leads to diminished annihilations at later times and
suppressed direct detection. However, novel collider signatures offer
tremendous prospects for discovery at Belle II.
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