Glueball dark matter in non-standard cosmologies

• DOI: 10.1007/jhep07(2017)100
• Publication Date: 2017-07-22T07:15:05Z
• Authors: Bobby S. Acharya; Malcolm Fairbairn; Edward Hardy
• Keywords: Hidden sector; Glueball

Hidden sector glueball dark matter is well motivated by string theory, compactifications of which often have extra gauge groups uncoupled to the visible sector. We study dynamics glueballs in theories with a period late time primordial domination followed low final reheating temperature due gravitationally coupled modulus. Compared scenarios high temperature, required relic abundance possible higher hidden confinement scales, and less extreme differences entropy densities sectors. Both these can occur derived models, relatively light moduli are helpful for obtaining viable phenomenology. also effects gluinos. In some parts parameter space be dominant component, while others their much smaller than that glueballs. Finally, we show heavy produced from energy prior correct if they sufficiently long lived.