14–24 Jul 2025
CICG - International Conference Centre - Geneva, Switzerland
Europe/Zurich timezone
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Searching for Lorentz invariance violation with artificial neural networks

22 Jul 2025, 16:20
16m
CICG - International Conference Centre - Geneva, Switzerland

CICG - International Conference Centre - Geneva, Switzerland

17 rue de Varembé CH - 1211 Geneva Switzerland
Talk Gamma-Ray Astrophysics GA

Speaker

Tomislav Terzić

Description

Lorentz invariance violation (LIV) can have multiple consequences on very-high energy gamma rays’ emission, propagation, and detection, such as energy-dependent photon group velocity, photon instability, vacuum birefringence, and modified electromagnetic interaction. Depending on the underlying theoretical model, several of these effects can coexist. Nevertheless, in experimental tests of LIV, each effect is tested separately and independently. For the first time, we are performing a search for traces of several coexisting effects in a single analysis. We present our analysis method based on artificial neural networks and put our very first results in the context of experimental searches for LIV.

Author

Tomislav Terzić

Presentation materials

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