Large extra dimensions, the galaxy power spectrum and the end of inflation
arXiv:hep-ph/0111435 · doi:10.1088/1126-6708/2002/02/024
Abstract
We consider the production of gravitational KK modes via cosmological photon-photon and electron-positron annihilation in models with large factorisable extra dimensions. We place constraints on this production using recent results from a joint analysis of the power spectra of the 2dF Galaxy Redshift Survey (2dFGS) and the cosmic microwave background (CMB) anisotropies. We obtain a more accurate upper limit for the temperature corresponding to matter-radiation equality and show that, even for the case of 6 extra dimensions and a fundamental scale of 1 TeV, a period of inflation is required that ends at a temperature much lower than that of the QCD phase transition.
12 pages, 2 figures, hadronic branching+typos corrected,accepted in JHEP
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- Stable Massive Particles at Colliders
- Particle Physics Probes Of Extra Spacetime Dimensions
- Collider Implications of Universal Extra Dimensions
- Black Holes at Future Colliders and Beyond: a Topical Review
- Quantum black holes with charge, colour, and spin at the LHC
- Search for Large Extra Dimensions in the Monojet + Missing ET Channel at D0
- Production and Detection of Black Holes at Neutrino Array
- Dynamics of a large extra dimension inspired hybrid inflation model
- Standard Model baryogenesis through four-fermion operators in braneworlds
- A supernova constraint on bulk majorons
- Relaxing Cosmological Constraints on Large Extra Dimensions
- Non-collider searches for stable massive particles
- Randall-Sundrum black holes and strange stars