Constraints on Lorentz Invariance Violation from HAWC Observations of Gamma Rays above 100 TeV
A. Albert(Los Alamos National Laboratory), R. Alfaro(Universidad Nacional Autónoma de México), C. Álvarez(Universidad Autónoma de Chiapas), José Roberto Ángeles Camacho(Universidad Nacional Autónoma de México), J. C. Arteaga‐Velázquez(Universidad Michoacana de San Nicolás de Hidalgo), K. P. Arunbabu(Universidad Nacional Autónoma de México), D. Avila Rojas(Universidad Nacional Autónoma de México), H. A. Ayala Solares(Pennsylvania State University), Vardan Baghmanyan(Institute of Nuclear Physics, Polish Academy of Sciences), E. Moreno(Universidad Nacional Autónoma de México), S. BenZvi(University of Rochester), C. Brisbois(Michigan Technological University), K. S. Caballero‐Mora(Universidad Autónoma de Chiapas), T. Capistrán(National Institute of Astrophysics, Optics and Electronics), A. Carramiñana(National Institute of Astrophysics, Optics and Electronics), S. Casanova(Institute of Nuclear Physics, Polish Academy of Sciences), U. Cotti(Universidad Michoacana de San Nicolás de Hidalgo), J. Cotzomi(Benemérita Universidad Autónoma de Puebla), S. Coutinõ de León(National Institute of Astrophysics, Optics and Electronics), E. De la Fuente(Universidad de Guadalajara), C. de León(Universidad Michoacana de San Nicolás de Hidalgo), B.L. Dingus(Los Alamos National Laboratory), M. A. DuVernois(University of Wisconsin–Madison), J. C. Díaz–Vélez(Universidad de Guadalajara), R. W. Ellsworth(University of Maryland, College Park), K. Engel(University of Maryland, College Park), C. Espinoza(Universidad Nacional Autónoma de México), Henrike Fleischhack(Michigan Technological University), N. Fraija(Universidad Nacional Autónoma de México), A. Galván-Gaméz(Universidad Nacional Autónoma de México), D. García(Universidad Nacional Autónoma de México), J. A. García-González(Universidad Nacional Autónoma de México), F. Garfias(Universidad Nacional Autónoma de México), M. M. González(Universidad Nacional Autónoma de México), J. A. Goodman(University of Maryland, College Park), J. P. Harding(Los Alamos National Laboratory), S. Hernández(Universidad Nacional Autónoma de México), B. Hona(Michigan Technological University), D. Huang(Michigan Technological University), F. Hueyotl‐Zahuantitla(Universidad Autónoma de Chiapas), P. Hüntemeyer(Michigan Technological University), A. Iriarte(Universidad Nacional Autónoma de México), Vikas Joshi(Friedrich-Alexander-Universität Erlangen-Nürnberg), A. Lara(Universidad Nacional Autónoma de México), William H. Lee(Universidad Nacional Autónoma de México), H. León Vargas(Universidad Nacional Autónoma de México), J. T. Linnemann(Michigan State University), A. L. Longinotti(National Institute of Astrophysics, Optics and Electronics), G. Luis-Raya(Universidad Politécnica de Pachuca), J. Lundeen(Michigan State University), R. López-Coto(University of Padua), K. Malone(Los Alamos National Laboratory), S. S. Marinelli(Michigan State University), I. Martínez-Castellanos(University of Maryland, College Park), J. Martínez-Castro(Instituto Politécnico Nacional), H. Martínez-Huerta(Universidade Federal de São Carlos), J. A. J. Matthews(University of New Mexico), P. Miranda-Romagnoli(Universidad Autónoma del Estado de Hidalgo), J. A. Morales-Soto(Universidad Michoacana de San Nicolás de Hidalgo), E. Moreno(Benemérita Universidad Autónoma de Puebla), A. Nayerhoda(Institute of Nuclear Physics, Polish Academy of Sciences), L. Nellen(Universidad Nacional Autónoma de México), M. Newbold(University of Utah), M. U. Nisa(Michigan State University), R. Noriega-Papaqui(Universidad Autónoma del Estado de Hidalgo), N. Omodei(Stanford University), Alison Peisker(Michigan State University), E. G. Pérez‐Pérez(Universidad Politécnica de Pachuca), Chang Dong Rho(University of Rochester), C. Rivière(University of Maryland, College Park), D. Rosa‐González(National Institute of Astrophysics, Optics and Electronics), M. Rosenberg(Pennsylvania State University), E. Ruiz-Velasco(Max Planck Institute for Nuclear Physics), H. Salazar(Benemérita Universidad Autónoma de Puebla), F. Salesa Greus(Institute of Nuclear Physics, Polish Academy of Sciences), A. Sandoval(Universidad Nacional Autónoma de México), M. Schneider(University of Maryland, College Park), Harm Schoorlemmer(Max Planck Institute for Nuclear Physics), G. Sinnis(Los Alamos National Laboratory), A. J. Smith(University of Maryland, College Park), R. W. Springer(University of Utah), P. Surajbali(Max Planck Institute for Nuclear Physics), E. Tabachnick(University of Maryland, College Park), Meghan Tanner(Pennsylvania State University), O. Tibolla(Universidad Politécnica de Pachuca), Kirsten Tollefson(Michigan State University), I. Torres(National Institute of Astrophysics, Optics and Electronics), R. Torres-Escobedo(Texas Tech University), T. Weisgarber(University of Wisconsin–Madison), G. Yodh(University of California, Irvine), A. Zepeda(Instituto Politécnico Nacional), H. Zhou(Los Alamos National Laboratory)
Cited by 69Open Access
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 2.2×10^{31} eV, over 1800 times the Planck energy and an improvement of 1 to 2 orders of magnitude over previous limits.
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