WorksPhysics and Astronomy

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

P. Laurent, D. Gotz, P. Binetruy, S. Covino, A. Fernandez-Soto

Published Jun 06, 2011Fresh — added to the Hub within the last 30 daysv1

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License: arXiv nonexclusive license
Status: Published

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Abstract · v1

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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