Plasmon Annihilation into Kaluza-Klein Graviton: New Astrophysical Constraints on Large Extra Dimensions
arXiv:0801.1269 · doi:10.1103/PhysRevD.78.063011
Abstract
In large extra dimensional Kaluza-Klein (KK) scenario, where the usual Standard Model (SM) matter is confined to a 3+1-dimensional hypersurface called the 3-brane and gravity can propagate to the bulk (D=4+d, d being the number of extra spatial dimensions), the light graviton KK modes can be produced inside the supernova core due to the usual nucleon-nucleon bremstrahlung, electron-positron and photon-photon annihilations. This photon inside the supernova becomes plasmon due to the plasma effect. In this paper, we study the energy-loss rate of SN 1987A due to the KK gravitons produced from the plasmon-plasmon annihilation. We find that the SN 1987A cooling rate leads to the conservative bound > 22.9 TeV and 1.38 TeV for the case of two and three space-like extra dimensions.
arXiv comment13 pages, 1 ps figure, text is modified a little bit, conclusion unchanged, new references are added, version accepted for publication in PRD
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- Understanding Gravity: Some Extra Dimensional Perspectives
- SN1987A cooling due to Plasmon-Plasmon scattering in the Randall-Sundrum Model
- Constraints on light Dark Matter fermions from relic density consideration and Tsallis statistics
- Gravity and Large Extra Dimensions
- Signatures of electromagnetic and sound radiation produced by gravitational waves in core-collapse supernovae