Astrophysical constraints on decaying dark gravitons

Astrophysical constraints on decaying dark gravitons

Abstract In the dark dimension scenario, which predicts an extra dimension of micron scale, dark gravitons (KK modes) are a natural dark matter candidate. In this paper, we study observable features of this model. In particular, their decay to standard matter fields can distort the CMB and impact ot...

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Bibliographic Details
Main Authors: Jamie A. P. Law-Smith, Georges Obied, Anirudh Prabhu, Cumrun Vafa
Format: Article
Language:English
Published: SpringerOpen 2024-06-01
Series:Journal of High Energy Physics
Subjects:
Particle Nature of Dark Matter
Cosmology of Theories BSM
Early Universe Particle Physics
Extra Dimensions
Online Access:https://doi.org/10.1007/JHEP06(2024)047

Internet

https://doi.org/10.1007/JHEP06(2024)047

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