Implications of Catalyzed BBN in the CMSSM with Gravitino Dark Matter

Abstract

We investigate gravitino dark matter scenarios in which the primordial ^6Li production is catalyzed by bound-state formation of long-lived negatively charged particles X^- with ^4He. In the constrained minimal supersymmetric Standard Model (CMSSM) with the stau^- as the X^-, the observationally inferred bound on the primordial ^6Li abundance allows us to derive a rigid lower limit on the gaugino mass parameter for a standard cosmological history. This limit can have severe implications for supersymmetry searches at the Large Hadron Collider and for the reheating temperature after inflation.

4 pages, 2 figures; note and paragraph added; references updated;

References in corpus (5)

• Thermal production of gravitinos
• Constraints on the Reheating Temperature in Gravitino Dark Matter Scenarios
• Stau-catalyzed ${}^6$Li Production in Big-Bang Nucleosynthesis
• Big-Bang Nucleosynthesis with Long-Lived Charged Slepton
• Constraints on Gravitino Dark Matter Scenarios with Long-Lived Charged Sleptons

Cited by in corpus (11)

• Big-Bang Nucleosynthesis and Gravitino
• Dark Matter Candidates - Axions, Neutralinos, Gravitinos, and Axinos
• The number density of a charged relic
• Gravitino Dark Matter and the Cosmic Lithium Abundances
• Probing the Reheating Temperature at Colliders and with Primordial Nucleosynthesis
• The Gravitino-Stau Scenario after Catalyzed BBN
• Supersymmetric Leptogenesis and the Gravitino Bound
• Upper Limits on the Peccei-Quinn Scale and on the Reheating Temperature in Axino Dark Matter Scenarios
• Flaxino dark matter and stau decay
• Supersymmetric Dark Matter Candidates - The Lightest Neutralino, the Gravitino, and the Axino
• The long-lived stau as a thermal relic