Constraints on Lorentz Invariance Violation from HAWC Observations of Gamma 
Rays above 100 TeV

Albert, A.; Alfaro, R.; Alvarez, C.; Angeles Camacho, J. R.; Arteaga-Velazquez, J. C.; Arunbabu, K. P.; Avila Rojas, D.; Solares, H. A. Ayala; Baghmanyan, V; Belmont-Moreno, E.; BenZvi, S. Y.; Brisbois, C.; Caballero-Mora, K. S.; Capistran, T.; Carraminana, A.; Casanova, S.; Cotti, U.; Cotzomi, J.; Coutino de Leon, S.; De la Fuente, E.; de Leon, C.; Dingus, B. L.; DuVernois, M. A.; Diaz-Velez, J. C.; Ellsworth, R. W.; Engel, K.; Espinoza, C.; Fleischhack, H.; Fraija, N.; Galvan-Gamez, A.; Garcia, D.; Garcia-Gonzalez, J. A.; Garfias, F.; Gonzalez, M. M.; Goodman, J. A.; Harding, J. P.; Hernandez, S.; Hona, B.; Huang, D.; Hueyotl-Zahuantitla, F.; Huntemeyer, P.; Iriarte, A.; Joshi, V; Lara, A.; Lee, W. H.; Leon Vargas, H.; Linnemann, J. T.; Longinotti, A. L.; Luis-Raya, G.; Lundeen, J.; Lopez-Coto, R.; Malone, K.; Marinelli, S. S.; Martinez-Castellanos, I; Martinez-Castro, J.; Martinez-Huerta, H.; Matthews, J. A.; Miranda-Romagnoli, P.; Morales-Soto, J. A.; Moreno, E.; Nayerhoda, A.; Nellen, L.; Newbold, M.; Nisa, M. U.; Noriega-Papaqui, R.; Omodei, N.; Peisker, A.; Perez-Perez, E. G.; Rho, C. D.; Riviere, C.; Rosa-Gonzalez, D.; Rosenberg, M.; Ruiz-Velasco, E.; Salazar, H.; Greus, F. Salesa; Sandoval, A.; Schneider, M.; Schoorlemmer, H.; Sinnis, G.; Smith, A. J.; Springer, R. W.; Surajbali, P.; Tabachnick, E.; Tanner, M.; Tibolla, O.; Tollefson, K.; Torres, I; Torres-Escobedo, R.; Weisgarber, T.; Yodh, G.; Zepeda, A.; Zhou, H.

doi:10.1103/PhysRevLett.124.131101

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Constraints on Lorentz Invariance Violation from HAWC Observations of Gamma Rays above 100 TeV

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Ruiz-Velasco, E.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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Schoorlemmer, H.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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Surajbali, P.
Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society;

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Citation

Albert, A., Alfaro, R., Alvarez, C., Angeles Camacho, J. R., Arteaga-Velazquez, J. C., Arunbabu, K. P., et al. (2020). Constraints on Lorentz Invariance Violation from HAWC Observations of Gamma Rays above 100 TeV. Physical Review Letters, 124(13): 131101. doi:10.1103/PhysRevLett.124.131101.

Cite as: https://hdl.handle.net/21.11116/0000-0008-209E-2

Abstract

Because of the high energies and long distances to the sources, astrophysical observations provide a unique opportunity to test possible signatures of Lorentz invariance violation (LIV). Superluminal LIV enables the decay of photons at high energy. The high altitude water Cherenkov (HAWC) observatory is among the most sensitive gamma-ray instruments currently operating above 10 TeV. HAWC finds evidence of 100 TeV photon emission from at least four astrophysical sources. These observations exclude, for the strongest of the limits set, the LIV energy scale to 2.2 x 10(31) eV, over 1800 times the Planck energy and an improvement of 1 to 2 orders of magnitude over previous limits.