Testing the effective scale of Quantum Gravity with the next generation of Gamma Ray Telescopes

Abstract

The actual potential of the next generation of Gamma Ray Telescopes in improving the existing tests of an effective Quantum Gravity scale from the study of the propagation delay for gamma rays of different energies coming from a distant astrophysical source is discussed. It is shown that the existence of a cosmological Gamma Ray Horizon, will impose very demanding conditions on the observations of the telescopes to try to test a Quantum Gravity scale close to the Planck mass.

14 pages, 7 figures

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• Potential Sensitivity of Gamma-Ray Burster Observations to Wave Dispersion in Vacuo
• High-Energy Tests of Lorentz Invariance
• Planck-scale deformation of Lorentz symmetry as a solution to the UHECR and the TeV-$\gamma$ paradoxes
• Limits to Quantum Gravity Effects from Observations of TeV Flares in Active Galaxies
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• A new method to study energy-dependent arrival delays on photons from astrophysical sources
• Probing Quantum Gravity with Imaging Atmospheric Cherenkov Telescopes
• Exploring the Gamma Ray Horizon with the next generation of Gamma Ray Telescopes. Part 1: Theoretical predictions
• Approaches to photon absorption in a Lorentz invariance violation scenario
• Testing new-physics scenarios with the combined LHAASO and Carpet-3 fluence spectrum of GRB 221009A: axion-like particles and Lorentz-invariance violation
• Is There New Physics Beyond 30 TeV in the BOAT?