Revisiting Cosmological Constraints on Supersymmetric SuperWIMPs

SuperWIMPs are extremely weakly interacting massive particles that inherit their relic abundance from late decays of frozen-out parent particles. Within supersymmetric models, gravitinos and axinos represent two of the most well-motivated superWIMPs. In this paper we revisit constraints on these sce...

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Veröffentlicht in:	arXiv.org 2023-09
Hauptverfasser:	Deshpande, Meera, Hamann, Jan, Sengupta, Dipan, White, Martin, Williams, Anthony G, Wong, Yvonne Y Y
Format:	Artikel
Sprache:	eng
Schlagworte:	Big bang cosmology Cosmic microwave background Dark matter Gravitinos Kinematics Nuclear fusion Nuclei (nuclear physics) Particle decay Supersymmetry Weakly interacting massive particles
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