Constraints on Lorentz Invariance Violation using INTEGRAL/IBIS observations of GRB041219A

Details Constraints on Lorentz Invariance Violation using INTEGRAL/IBIS observations of GRB041219A Constraints on Lorentz Invariance Violation using INTEGRAL/IBIS observations of GRB041219A

2011-06-06

arxiv.org/abs/1106.1068v1

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

5 pages, 3 figures, accepted for publication as a Rapid Communication in Physical Review D

Scientific paper

One of the experimental tests of Lorentz invariance violation is to measure the helicity dependence of the propagation velocity of photons originating in distant cosmological obejcts. Using a recent determination of the distance of the Gamma-Ray Burst GRB 041219A, for which a high degree of polarization is observed in the prompt emission, we are able to improve by 4 orders of magnitude the existing constraint on Lorentz invariance violation, arising from the phenomenon of vacuum birefringence.

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