Constraints on Lorentz invariance violation with fermi-lat observations of gamma-ray bursts

C. Couturier, V. Vasileiou, A. Jacholkowska, F. Piron, J. Bolmont, J. Granot, F. W. Stecker, J. Cohen-Tanugi, F. Longo

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Arrival times of photons from four bright GRBs observed by Fermi-LAT have been analyzed in order to detect a possible Lorentz Invariance Violation (LIV), related to a non trivial dispersion of light in vacuum. No delays have been detected and strong limits on the Quantum Gravity (QG) energy scale: for linear dispersion we set tight constraints placing the QG energy scale above the Planck mass; a quadratic leading LIV effect is also constrained.

Original languageEnglish
Title of host publicationProceedings of the 33rd International Cosmic Rays Conference, ICRC 2013
PublisherSociedade Brasileira de Fisica
ISBN (Electronic)9788589064293
StatePublished - 2013
Event33rd International Cosmic Rays Conference, ICRC 2013 - Rio de Janeiro, Brazil
Duration: 2 Jul 20139 Jul 2013

Publication series

NameProceedings of the 33rd International Cosmic Rays Conference, ICRC 2013
Volume2013-October

Conference

Conference33rd International Cosmic Rays Conference, ICRC 2013
Country/TerritoryBrazil
CityRio de Janeiro
Period2/07/139/07/13

Bibliographical note

Publisher Copyright:
© 2013 Sociedade Brasileira de Fisica. All Rights Reserved.

Keywords

  • Fermi
  • Gamma-ray bursters
  • Lorentz invariance
  • Quantum gravity
  • Vacuum dispersion

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