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Speaker |
Mavromatos, Nikolaos |
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| Talk Title |
Lorentz invariance and gamma propagation: detectability by VHE gamma detectors: status and prospects |
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Abstract |
Lorentz invariance is such an important principle of fundamental physics that it should constantly be subjected to experimental scrutiny as well as theoretical questioning. Distant astrophysical sources of energetic photons with rapid time variations, such as active galactic nuclei (AGNs) and gamma-ray bursters (GRBs), provide ideal experimental opportunities for testing Lorentz invariance, as well as falsifying theoretical models inspired by quantum gravity approaches, that entail possible violations. The talk will review theoretical models and experimental sensitivities for testing LI with high energy gamma-ray detectors. Among them, the Cerenkov Telescope Array (CTA) is an excellent experimental tool for making such tests with sensitivities exceeding those possible using other detectors. |
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