%0 Journal Article %T A limit on the variation of the speed of light arising from quantum gravity effects %+ Astrophysique Interprétation Modélisation (AIM (UMR7158 / UMR_E_9005 / UM_112)) %+ Laboratoire Leprince-Ringuet (LLR) %+ Laboratoire de Physique Théorique et Astroparticules (LPTA) %+ Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG) %+ Centre d'étude spatiale des rayonnements (CESR) %A Abdo, A.A. %A Ackermann, Markus %A Ajello, Marco %A Asano, K. %A Atwood, William B. %A Axelsson, Magnus %A Baldini, Luca %A Ballet, Jean %A Barbiellini, Guido %A Baring, Matthew G. %A Bastieri, D. %A Bechtol, K. %A Bellazzini, R. %A Berenji, B. %A Bhat, P. N. %A Bissaldi, E. %A Bloom, E.D. %A Bonamente, E. %A Bonnell, J. %A Borgland, A.W. %A Bouvier, A. %A Bregeon, J. %A Brez, A. %A Briggs, M. S. %A Brigida, M. %A Bruel, Pascal %A Burgess, J.M. %A Burnett, T.H. %A Caliandro, G. A. %A Cameron, R. A. %A Caraveo, P. A. %A Casandjian, J.M. %A Cecchi, C. %A Celik, O. %A Chaplin, V. %A Charles, E. %A Cheung, C.C. %A Chiang, J. %A Ciprini, S. %A Claus, R. %A Cohen-Tanugi, J. %A Cominsky, L. R. %A Connaughton, V. %A Conrad, J. %A Cutini, S. %A Dermer, C.D. %A de Angelis, A. %A de Palma, F. %A Digel, S.W. %A Dingus, B. L. %A Do Couto E Silva, E. %A Drell, P. S. %A Dubois, R. %A Dumora, D. %A Farnier, C. %A Favuzzi, C. %A Fegan, S.J. %A Finke, J. %A Fishman, G. %A Focke, W.B. %A Foschini, L. %A Fukazawa, Y. %A Funk, S. %A Fusco, P. %A Gargano, F. %A Gasparrini, D. %A Gehrels, N. %A Germani, S. %A Gibby, L. %A Giebels, B. %A Giglietto, N. %A Giordano, F. %A Glanzman, T. %A Godfrey, G. %A Granot, J. %A Greiner, J. %A Grenier, I.A. %A Grondin, M.H. %A Grove, J.E. %A Grupe, D. %A Guillemot, L. %A Guiriec, S. %A Hanabata, Y. %A Harding, A. K. %A Hayashida, M. %A Hays, E. %A Hoversten, E.A. %A Hugues, R.E. %A Jóhannesson, G. %A Johnson, A. S. %A Johnson, R. P. %A Johnson, W. N. %A Kamae, T. %A Katagiri, H. %A Kataoka, J. %A Kawai, N. %A Kerr, M. %A Kippen, R. M. %A Knödlseder, Jürgen %A Kocevski, D. %A Kouveliotou, C. %A Kuehn, F. %A Kuss, M. %A Lande, J. %A Latronico, L. %A Lemoine-Goumard, M. %A Longo, F. %A Loparco, F. %A Lott, B. %A Lovellette, M.N. %A Lubrano, P. %A Madjeski, G.M. %A Makeev, A. %A Mazziotta, M.N. %A Mcbreen, S. %A Mcenery, J.E. %A Mcglynn, S. %A Mészáros, P. %A Meurer, C. %A Michelson, P.F. %A Mitthumsiri, W. %A Mizuno, T. %A Moiseev, A.A. %A Monte, C. %A Monzani, M.E. %A Moretti, E. %A Morselli, A. %A Moskalenko, I. V. %A Murgia, S. %A Nakamori, T. %A Nolan, P.L. %A Norris, J.P. %A Nuss, E. %A Ohno, M. %A Ohsugi, T. %A Omodei, N. %A Orlando, E. %A Ormes, J.F. %A Ozaki, M. %A Paciesas, W. S. %A Paneque, D. %A Panetta, J.H. %A Parent, D. %A Pelassa, V. %A Pepe, M. %A Pesce-Rollins, M. %A Petrosian, V. %A Piron, F. %A Porter, T.A. %A Preece, R. %A Rainò, S. %A Ramirez-Ruiz, E. %A Rando, R. %A Razzano, M. %A Razzaque, S. %A Reimer, A. %A Reimer, O. %A Reposeur, T. %A Ritz, S. %A Rochester, L.S. %A Rodriguez, A.Y. %A Roth, M. %A Ryde, F. %A Sadrozinski, H. F.-W. %A Sanchez, D. %A Sander, A. %A Saz Parkinson, P.M. %A Scargle, J.D. %A Schalk, T. L. %A Sgro, G. %A Siskind, E.J. %A Smith, D.A. %A Smith, P.D. %A Spandre, G. %A Spinelli, P. %A Stamatikos, M. %A Stecker, F. W. %A Strickman, M.S. %A Suson, D.J. %A Tajima, H. %A Takahashi, H. %A Takahashi, T. %A Tanaka, T. %A Thayer, J.B. %A Thayer, J.G. %A Thompson, D.J. %A Tibaldo, L. %A Toma, K. %A Torres, D.F. %A Tosti, G. %A Troja, E. %A Uchiyama, Y. %A Uehara, T. %A Usher, T.L. %A van Der Horst, A. J. %A Vasileiou, V. %A Vilchez, N. %A Vitale, V. %A von Kienlin, A. %A Waite, A. P. %A Wang, P. %A Wilson-Hodge, C. %A Winer, B. L. %A Wood, K.S. %A Wu, X. F. %A Yamazaki, R. %A Ylinen, T. %A Ziegler, M. %< avec comité de lecture %@ 0028-0836 %J Nature %I Nature Publishing Group %V 462 %P 331-334 %8 2009-11-19 %D 2009 %Z 0908.1832 %R 10.1038/nature08574 %K GAMMA-RAY BURSTS %K HIGH-ENERGY %K VIOLATION %K EMISSION %K PHOTONS %K LORENTZ %K TESTS %K FOAM %Z Physics [physics]/High Energy Physics - Experiment [hep-ex]Journal articles %X A cornerstone of Einstein's special relativity is Lorentz invariance-the postulate that all observers measure exactly the same speed of light in vacuum, independent of photon-energy. While special relativity assumes that there is no fundamental length-scale associated with such invariance, there is a fundamental scale (the Planck scale, l(Planck) approximate to 1.62 x 10(-33) cm or E-Planck = M(Planck)c(2) approximate to 1.22 x 10(19) GeV), at which quantum effects are expected to strongly affect the nature of space-time. There is great interest in the (not yet validated) idea that Lorentz invariance might break near the Planck scale. A key test of such violation of Lorentz invariance is a possible variation of photon speed with energy(1-7). Even a tiny variation in photon speed, when accumulated over cosmological light-travel times, may be revealed by observing sharp features in gamma-ray burst (GRB) light-curves(2). Here we report the detection of emission up to similar to 31GeV from the distant and short GRB090510. We find no evidence for the violation of Lorentz invariance, and place a lower limit of 1.2E(Planck) on the scale of a linear energy dependence (or an inverse wavelength dependence), subject to reasonable assumptions about the emission (equivalently we have an upper limit of l(Planck)/1.2 on the length scale of the effect). Our results disfavour quantum-gravity theories(3,6,7) in which the quantum nature of space-time on a very small scale linearly alters the speed of light. %G English %L in2p3-00436584 %U https://hal.in2p3.fr/in2p3-00436584 %~ IN2P3 %~ CEA %~ INSU %~ METEO %~ UNIV-PARIS7 %~ X %~ UNIV-TLSE3 %~ CENBG %~ LPTA %~ LLR %~ CNRS %~ UNIV-MONTP2 %~ CNES %~ OMP %~ OMP-CESR %~ OMP-IRAP %~ X-LLR %~ X-DEP %~ X-DEP-PHYS %~ DSM-IRFU %~ IRFU-AIM %~ UNIV-MONTPELLIER %~ CEA-DRF %~ UNIV-PARIS %~ UP-SCIENCES %~ GS-PHYSIQUE %~ UNIV-UT3 %~ UT3-INP %~ UT3-TOULOUSEINP %~ UM1-UM2