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Relic abundance of dark matter in the minimal universal extra dimension model
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Relic abundance of dark matter in the minimal universal extra dimension model
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We investigate the relic abundance of dark matter in the minimal universal extra dimension model including resonance processes by second Kaluza-Klein (KK) particles in all coannihilation processes. After including second KK resonance processes, the relic abundance of dark matter is reduced by about 30%. Thus, the compactification scale 1/R of the extra dimension consistent with the WMAP observation is increased by a few hundred GeV. As a result, the cosmologically allowed compactification scale is 600 GeV < 1/R < 1400 GeV for Lambda R = 20.
Forward citations
Cited by 1 Pith paper
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Belle II Constraints on the Non-Minimal Universal Extra Dimensional Model
Belle II data on the rare B decay constrains the non-minimal UED model to require the inverse compactification radius to be at least ~900 GeV, while the minimal version yields no bound.
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