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@ARTICLE{Abe:622836,
      author       = {Abe, S. and Abhir, J. and Abhishek, A. and Acciari, V. A.
                      and Aguasca-Cabot, A. and Agudo, I. and Aniello, T. and
                      Ansoldi, S. and Antonelli, L. A. and Engels, A. Arbet and
                      Arcaro, C. and Artero, M. and Asano, K. and Babić, A. and
                      Baquero, A. and de Almeida, U. Barres and Barrio, J. A. and
                      Batković, I. and Bautista, A. and Baxter, J. and Becerra
                      González, J. and Bednarek, W. and Bernardini, E. and
                      Bernete, J. and Berti, A. and Besenrieder, J. and
                      Bigongiari, C. and Biland, A. and Blanch, O. and Bonnoli, G.
                      and Bošnjak, Ž. and Bronzini, E. and Burelli, I. and
                      Busetto, G. and Campoy-Ordaz, A. and Carosi, A. and Carosi,
                      R. and Carretero-Castrillo, M. and Castro-Tirado, A. J. and
                      Cerasole, D. and Ceribella, G. and Chai, Y. and Cifuentes,
                      A. and Colombo, E. and Contreras, J. L. and Cortina, J. and
                      Covino, S. and D'Amico, G. and D'Elia, V. and Da Vela, P.
                      and Dazzi, F. and De Angelis, A. and De Lotto, B. and de
                      Menezes, R. and Del Popolo, A. and Delfino, M. and Delgado,
                      J. and Mendez, C. Delgado and Di Pierro, F. and Di Tria, R.
                      and Di Venere, L. and Dominis Prester, D. and Donini, A. and
                      Dorner, D. and Doro, M. and Elsaesser, D. and Emery, G. and
                      Escudero, J. and Fariña, L. and Fattorini, A. and Foffano,
                      L. and Font, L. and Fröse, S. and Fukami, S. and Fukazawa,
                      Y. and López, R. J. García and Garczarczyk, M. and
                      Gasparyan, S. and Gaug, M. and Paiva, J. G. Giesbrecht and
                      Giglietto, N. and Giordano, F. and Gliwny, P. and
                      Godinović, N. and Gradetzke, T. and Grau, R. and Green, D.
                      and Green, J. G. and Günther, P. and Hadasch, D. and Hahn,
                      A. and Hassan, T. and Heckmann, L. and Herrera Llorente, J.
                      and Hrupec, D. and Hütten, M. and Imazawa, R. and Ishio, K.
                      and Martínez, I. Jiménez and Jormanainen, J. and Kayanoki,
                      T. and Kerszberg, D. and Kluge, G. W. and Kobayashi, Y. and
                      Kouch, P. M. and Kubo, H. and Kushida, J. and Láinez, M.
                      and Lamastra, A. and Leone, F. and Lindfors, E. and Linhoff,
                      L. and Lombardi, S. and Longo, F. and López-Coto, R. and
                      López-Moya, M. and López-Oramas, A. and Loporchio, S. and
                      Lorini, A. and Lyard, E. and Fraga, B. Machado de Oliveira
                      and Majumdar, P. and Makariev, M. and Maneva, G. and
                      Manganaro, M. and Mangano, S. and Mannheim, K. and Mariotti,
                      M. and Martínez, M. and Martínez-Chicharro, M. and
                      Mas-Aguilar, A. and Mazin, D. and Menchiari, S. and Mender,
                      S. and Miceli, D. and Miener, T. and Miranda, J. M. and
                      Mirzoyan, R. and Molero González, M. and Molina, E. and
                      Mondal, H. A. and Moralejo, A. and Morcuende, D. and
                      Nakamori, T. and Nanci, C. and Neustroev, V. and Nickel, L.
                      and Nievas Rosillo, M. and Nigro, C. and Nikolić, L. and
                      Nilsson, K. and Nishijima, K. and Ekoume, T. Njoh and Noda,
                      K. and Nogues, L. and Nozaki, S. and Ohtani, Y. and Okumura,
                      A. and Otero-Santos, J. and Paiano, S. and Palatiello, M.
                      and Paneque, D. and Paoletti, R. and Paredes, J. M. and
                      Peresano, M. and Persic, M. and Pihet, M. and Pirola, G. and
                      Podobnik, F. and Prada Moroni, P. G. and Prandini, E. and
                      Principe, G. and Priyadarshi, C. and Rhode, W. and Ribó, M.
                      and Rico, J. and Righi, C. and Sahakyan, N. and Saito, T.
                      and Kankkunen, S. and Saturni, F. G. and Schleicher, B. and
                      Schmidt, K. and Schmuckermaier, F. and Schubert, J. L. and
                      Schweizer, T. and Sciaccaluga, A. and Silvestri, G. and
                      Sitarek, J. and Sliusar, V. and Sobczynska, D. and Stamerra,
                      A. and Strišković, J. and Strom, D. and Suda, Y. and
                      Suutarinen, S. and Tajima, H. and Takahashi, M. and
                      Takeishi, R. and Tavecchio, F. and Temnikov, P. and
                      Terauchi, K. and Terzić, T. and Teshima, M. and Truzzi, S.
                      and Tutone, A. and Ubach, S. and van Scherpenberg, J. and
                      Vazquez Acosta, M. and Ventura, S. and Viale, I. and
                      Vigorito, C. F. and Vitale, V. and Vovk, I. and Walter, R.
                      and Will, M. and Wunderlich, C. and Yamamoto, T.},
      collaboration = {{MAGIC Collaboration}},
      title        = {{C}onstraints on {L}orentz invariance violation from the
                      extraordinary {M}rk 421 flare of 2014 using a novel analysis
                      method},
      reportid     = {PUBDB-2025-00516, arXiv:2406.07140},
      year         = {2024},
      note         = {Deutsche Forschungsgemeinschaft (SFB1491) and by the
                      Lamarr-Institute for MachineLearning and Artificial
                      Intelligence;},
      abstract     = {The Lorentz Invariance Violation (LIV), a proposed
                      consequence of certain quantum gravity (QG) scenarios, could
                      instigate an energy-dependent group velocity for
                      ultra-relativistic particles. This energy dependence,
                      although suppressed by the massive QG energy scale $E_QG,$
                      expected to be on the level of the Planck energy 1.22 ×
                      10$^{19}$ GeV, is potentially detectable in astrophysical
                      observations. In this scenario, the cosmological distances
                      traversed by photons act as an amplifier for this effect. By
                      leveraging the observation of a remarkable flare from the
                      blazar Mrk 421, recorded at energies above 100 GeV by the
                      MAGIC telescopes on the night of April 25 to 26, 2014, we
                      look for time delays scaling linearly and quadratically with
                      the photon energies. Using for the first time in LIV studies
                      a binned-likelihood approach we set constraints on the QG
                      energy scale. For the linear scenario, we set 95\% lower
                      limits E_QG>2.7×10$^{17}$ GeV for the subluminal case and
                      E_QG> 3.6 ×10$^{17}$ GeV for the superluminal case. For the
                      quadratic scenario, the 95\% lower limits for the subluminal
                      and superluminal cases are E_QG>2.6 ×10$^{10}$ GeV and
                      E_QG>2.5×10$^{10}$ GeV, respectively.},
      keywords     = {active galactic nuclei (autogen) / Frequentist statistics
                      (autogen) / gamma ray experiments (autogen) / quantum
                      gravity phenomenology (autogen)},
      cin          = {$Z_CTAS$},
      ddc          = {530},
      cid          = {$I:(DE-H253)Z_CTAS-20210408$},
      pnm          = {611 - Fundamental Particles and Forces (POF4-611) / DFG
                      project G:(GEPRIS)445052434 - SFB 1491: Das Wechselspiel der
                      kosmischen Materie - von der Quelle bis zum Signal
                      (445052434)},
      pid          = {G:(DE-HGF)POF4-611 / G:(GEPRIS)445052434},
      experiment   = {EXP:(DE-H253)CTA-20150101},
      typ          = {PUB:(DE-HGF)25},
      eprint       = {2406.07140},
      howpublished = {arXiv:2406.07140},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2406.07140;\%\%$},
      url          = {https://bib-pubdb1.desy.de/record/622836},
}