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Relaxing Cosmological Constraints on Large Extra Dimensions

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arxiv hep-ph/0407231 v2 pith:DGQV5SQ3 submitted 2004-07-20 hep-ph astro-ph

Cosmin Macesanu , Mark Trodden This is my paper · ORCID
classification hep-phastro-ph
keywords constraintscosmologicalextratemperatureaboveaffectbackgrounddark
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We reconsider cosmological constraints on extra dimension theories from the excess production of Kaluza-Klein gravitons. We point out that, if the normalcy temperature is above 1 GeV, then graviton states produced at this temperature will decay early enough that they do not affect the present day dark matter density, or the diffuse gamma ray background. We rederive the relevant cosmological constraints for this scenario.

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Cited by 1 Pith paper

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  1. Two Micron-Size Dark Dimensions

    hep-th 2025-01 conditional novelty 5.0 of 10

    Two micron-size dark dimensions are consistent with observations only if the compact space has no isometries and the normalcy temperature is fine-tuned to about 2 MeV.

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