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Observing Lorentz-violating effects on the gamma-ray horizon

Not scheduled
20m
Xiangqing Ting (祥慶㕔), 2F of Xiangyu Hotel (成都祥宇宾馆)

Xiangqing Ting (祥慶㕔), 2F of Xiangyu Hotel (成都祥宇宾馆)

Speaker

Nils Albin Nilsson (CTPU-CGA, Institute for Basic Science, Korea)

Description

The arrival of TeV-energy photons from distant galaxies is expected to be affected by their QED interaction with intergalactic radiation fields through electron-positron pair production. In theories where high-energy photons violate Lorentz symmetry, the kinematics of the process γ + γ → e + + e− is altered and the cross-section suppressed. Consequently, one would expect more of the highest-energy photons to arrive if QED is modified by Lorentz violation than if it is not. In this talk, I will show the detection perspectives of such signals, using the simulated sensitivities of future detectors. I will then contrast the forecasted sensitivity with those obtained from spectral lags in γ-ray burst data.

Primary author

Nils Albin Nilsson (CTPU-CGA, Institute for Basic Science, Korea)

Presentation materials

There are no materials yet.