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Lorentz Symmetry breaking studies with photons from astrophysical observations

Abstract : Lorentz Invariance Violation (LIV) may be a good observational window on Quantum Gravity physics. Within last few years, all major Gamma-ray experiments have published results from the search for LIV with variable astrophysical sources: gamma-ray bursts with detectors on-board satellites and Active Galactic Nuclei with ground-based experiments. In this paper, the recent time-of-flight studies with unpolarized photons published from the space and ground based observations are reviewed. Various methods used in the time delay searches are described, and their performance discussed. Since no significant time-lag value was found within experimental precision of the measurements, the present results consist of 95% confidence cevel limits on the Quantum Gravity scale on the linear and quadratic terms in the standard photon dispersion relations.
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http://hal.in2p3.fr/in2p3-00572237
Contributor : Swarna Bassava <>
Submitted on : Tuesday, March 1, 2011 - 9:47:47 AM
Last modification on : Friday, April 10, 2020 - 5:30:51 PM

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  • HAL Id : in2p3-00572237, version 1
  • ARXIV : 1007.4954

Citation

J. Bolmont, A. Jacholkowska. Lorentz Symmetry breaking studies with photons from astrophysical observations. 2011. ⟨in2p3-00572237⟩

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