Limits on an Energy Dependence of the Speed of Light from a Flare of the Active Galaxy PKS 2155-304

被引：104

作者：

Aharonian, F. ^{[1
,13
]}

Akhperjanian, A. G. ^{[2
]}

de Almeida, U. Barres ^{[8
]}

Bazer-Bachi, A. R. ^{[3
]}

Becherini, Y. ^{[12
]}

Behera, B. ^{[14
]}

Beilicke, M. ^{[4
]}

Benbow, W. ^{[1
]}

Bernloehr, K. ^{[1
,5
]}

Boisson, C. ^{[6
]}

Bochow, A. ^{[1
]}

Borrel, V. ^{[3
]}

Braun, I. ^{[1
]}

Brion, E. ^{[7
]}

Brucker, J. ^{[16
]}

Brun, P. ^{[7
]}

Buehler, R. ^{[1
]}

Bulik, T. ^{[24
]}

Buesching, I. ^{[9
]}

Boutelier, T. ^{[17
]}

Carrigan, S. ^{[1
]}

Chadwick, P. M.

Charbonnier, A. ^{[1
,19
]}

Chaves, R. C. G. ^{[1
]}

Chounet, L. -M. ^{[10
]}

Clapson, A. C. ^{[1
]}

Coignet, G. ^{[11
]}

Costamante, L. ^{[1
]}

Dalton, M. ^{[5
]}

Degrange, B. ^{[10
]}

Deil, C. ^{[1
]}

Dickinson, H. J. ^{[8
]}

Djannati-Atai, A. ^{[12
]}

Domainko, W. ^{[1
]}

Drury, L. O'C. ^{[13
]}

Dubois, F. ^{[11
]}

Dubus, G. ^{[17
]}

Dyks, J. ^{[24
]}

Egberts, K. ^{[1
]}

Emmanoulopoulos, D. ^{[14
]}

Espigat, P. ^{[12
]}

Farnier, C. ^{[15
]}

Feinstein, F. ^{[15
]}

Fiasson, A. ^{[15
]}

Foerster, A. ^{[1
]}

Fontaine, G. ^{[10
]}

Fuessling, M. ^{[5
]}

Gabici, S. ^{[13
]}

Gallant, Y. A. ^{[15
]}

Gerard, L. ^{[12
]}

机构：

[1] Max Planck Inst Kernphys, D-69029 Heidelberg, Germany

[2] Yerevan Phys Inst, Yerevan 375036, Armenia

[3] Ctr Etud Spatiale Rayonnements, CNRS, UPS, F-31029 Toulouse, France

[4] Univ Hamburg, Inst Expt Phys, D-22761 Hamburg, Germany

[5] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany

[6] Univ Paris Diderot, CNRS, Observ Paris, LUTH, F-92190 Meudon, France

[7] CE Saclay, CEA, IRFU DSM, F-91191 Gif Sur Yvette, France

[8] Univ Durham, Dept Phys, Durham DH1 3LE, England

[9] North West Univ, Unit Space Phys, ZA-2520 Potchefstroom, South Africa

[10] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France

[11] CNRS IN2P3, Lab Annecy Le Vieux Phys Particules, F-74941 Annecy Le Vieux, France

[12] Univ Paris 07, CNRS, F-75205 Paris 13, France

[13] Dublin Inst Adv Studies, Dublin 2, Ireland

[14] Univ Heidelberg, Landessternwarte Konigstuhl, D-69117 Heidelberg, Germany

[15] Univ Montpellier 2, CNRS, IN2P3, Lab Phys Theor & Astroparticules, F-34095 Montpellier 5, France

[16] Univ Erlangen Nurnberg, Inst Phys, D-91058 Erlangen, Germany

[17] Univ Grenoble 1, CNRS, INSU, Astrophys Lab, F-38041 Grenoble 9, France

[18] Univ Tubingen, Inst Astron & Astrophys, D-72076 Tubingen, Germany

[19] Univ Paris 07, Univ Paris 06, CNRS, LPNHE,IN2P3, F-75252 Paris 5, France

[20] Charles Univ Prague, Inst Nucl & Particle Phys, CR-18000 Prague 8, Czech Republic

[21] Ruhr Univ Bochum, Inst Theoret Phys, Lehrstuhl Weltraum & Astrophys 4, D-44780 Bochum, Germany

[22] Univ Namibia, Windhoek, Namibia

[23] Uniwersytet Jagiellonski, Obserwatorium Astron, PL-30244 Krakow, Poland

[24] Nicolaus Copernicus Astron Ctr, PL-00716 Warsaw, Poland

[25] Univ Leeds, Sch Phys & Astron, Leeds LS2 9JT, W Yorkshire, England

[26] Univ Adelaide, Sch Chem & Phys, Adelaide, SA 5005, Australia

[27] Nicholas Copernicus Univ, Torun Ctr Astron, PL-87100 Torun, Poland

[28] Inst Fizyki Jadrowej PAN, PL-31342 Krakow, Poland

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 17期

基金：

英国科学技术设施理事会; 新加坡国家研究基金会;

关键词：

D O I：

10.1103/PhysRevLett.101.170402

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In the past few decades, several models have predicted an energy dependence of the speed of light in the context of quantum gravity. For cosmological sources such as active galaxies, this minuscule effect can add up to measurable photon-energy dependent time lags. In this Letter a search for such time lags during the High Energy Stereoscopic System observations of the exceptional very high energy flare of the active galaxy PKS 2155-304 on 28 July 2006 is presented. Since no significant time lag is found, lower limits on the energy scale of speed of light modifications are derived.

引用

页数：5

共 39 条

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