Determining Reheating Temperature at Colliders with Axino or Gravitino Dark Matter

Abstract

After a period of inflationary expansion, the Universe reheated and reached full thermal equilibrium at the reheating temperature T_R. In this work we point out that, in the context of effective low-energy supersymmetric models, LHC measurements may allow one to determine T_R as a function of the mass of the dark matter particle assumed to be either an axino or a gravitino. An upper bound on their mass may also be derived.

19 pages, some improvements, JHEP version

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Cited by in corpus (31)

• Dark matter production in the early Universe: beyond the thermal WIMP paradigm
• Dark Matter Candidates - Axions, Neutralinos, Gravitinos, and Axinos
• Thermal production of axino Dark Matter
• Axino Cold Dark Matter Revisited
• Axinos as Dark Matter Particles
• The number density of a charged relic
• Constraints on Supersymmetric Models from Catalytic Primordial Nucleosynthesis of Beryllium
• Dark radiation from the axino solution of the gravitino problem
• Light Gravitinos at Colliders and Implications for Cosmology
• Review of axino dark matter
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• SUSY dark matter(s)
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• Fine-tuning favors mixed axion/axino cold dark matter over neutralinos in the minimal supergravity model
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• Probing the Reheating Temperature at Colliders and with Primordial Nucleosynthesis
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• An intermediate framework between WIMP, FIMP, and EWIP dark matter
• Axinos in Cosmology and at Colliders
• Supersymmetric mass spectra for gravitino dark matter with a high reheating temperature
• The degenerate gravitino scenario
• Upper Limits on the Peccei-Quinn Scale and on the Reheating Temperature in Axino Dark Matter Scenarios
• Probing High Reheating Temperature Scenarios at the LHC with Long-Lived Staus
• Late Energy Injection and Cosmological Constraints in Axino Dark Matter Scenarios
• Reheating Temperature and Gauge Mediation Models of Supersymmetry Breaking
• LHC constraints on Gravitino Dark Matter
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• Tracking Quintessence and Cold Dark Matter Candidates
• Towards understanding thermal history of the Universe through direct and indirect detection of dark matter
• Stau detection at neutrino telescopes in scenarios with supersymmetric dark matter