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@ARTICLE{Aleksi:166280,
      author       = {Aleksić, J. and Ansoldi, S. and Antonelli, L. A. and
                      Antoranz, P. and Babic, A. and de Almeida, U. B. and Barrio,
                      J. A. and Gonzalez, J. B. and Bednarek, W. and Berger, K.
                      and Bernardini, E. and Biland, A. and Blanch, O. and Bock,
                      R. K. and Boller, A. and Bonnefoy, S. and Bonnoli, G. and
                      Borracci, F. and Bretz, T. and Carmona, E. and Carosi, A.
                      and Fidalgo, D. C. and Colin, P. and Colombo, E. and
                      Contreras, J. L. and Cortina, J. and Cossio, L. and Covino,
                      S. and Da Vela, P. and Dazzi, F. and De Angelis, A. and De
                      Caneva, G. and De Lotto, B. and Mendez, C. D. and Doert, M.
                      and Dominguez, A. and Prester, D. D. and Dorner, D. and
                      Doro, M. and Eisenacher, D. and Elsaesser, D. and Farina, E.
                      and Ferenc, D. and Fonseca, M. V. and Font, L. and Frantzen,
                      K. and Fruck, C. and Lopez, R. J. G. and Garczarczyk, M. and
                      Terrats, D. G. and Gaug, M. and Giavitto, G. and Godinovic,
                      N. and Munoz, A. G. and Gozzini, S. R. and Hadamek, A. and
                      Hadasch, D. and Herrero, A. and Hose, J. and Hrupec, D. and
                      Idec, W. and Kadenius, V. and Knoetig, M. L. and Krahenbuhl,
                      T. and Krause, J. and Kushida, J. and Barbera, A. L. and
                      Lelas, D. and Lewandowska, N. and Lindfors, E. and Lombardi,
                      S. and Lopez-Coto, R. and Lopez, M. and Lopez-Oramas, A. and
                      Lorenz, E. and Lozano, I. and Makariev, M. and Mallot, K.
                      and Maneva, G. and Mankuzhiyil, N. and Mannheim, K. and
                      Maraschi, L. and Marcote, B. and Mariotti, M. and Martinez,
                      M. and Masbou, J. and Mazin, D. and Menzel, U. and Meucci,
                      M. and Miranda, J. M. and Mirzoyan, R. and Moldon, J. and
                      Moralejo, A. and Munar-Adrover, P. and Nakajima, D. and
                      Niedzwiecki, A. and Nilsson, K. and Nowak, N. and Orito, R.
                      and Overkemping, A. and Paiano, S. and Palatiello, M. and
                      Paneque, D. and Paoletti, R. and Paredes, J. M. and Partini,
                      S. and Persic, M. and Prada, F. and Moroni, P. G. P. and
                      Prandini, E. and Preziuso, S. and Puljak, I. and Reichardt,
                      I. and Reinthal, R. and Rhode, W. and Ribo, M. and Rico, J.
                      and Garcia, J. R. and Rugamer, S. and Saggion, A. and Saito,
                      K. and Saito, T. and Salvati, M. and Satalecka, K. and
                      Scalzotto, V. and Scapin, V. and Schultz, C. and Schweizer,
                      T. and Shore, S. N. and Sillanpaa, A. and Sitarek, J. and
                      Snidaric, I. and Sobczynska, D. and Spanier, F. and
                      Stamatescu, V. and Stamerra, A. and Storz, J. and Sun, S.
                      and Suric, T. and Takalo, L. and Tavecchio, F. and Temnikov,
                      P. and Terzic, T. and Tescaro, D. and Teshima, M. and
                      Thaele, J. and Tibolla, O. and Torres, D. F. and Toyama, T.
                      and Treves, A. and Uellenbeck, M. and Vogler, P. and Wagner,
                      R. M. and Weitzel, Q. and Zandanel, F. and Zanin, R. and
                      Bouvier, A. and Hayashida, M. and Tajima, H. and Longo, F.},
      title        = {{MAGIC} upper limits on the {GRB} 090102 afterglow},
      journal      = {Monthly notices of the Royal Astronomical Society},
      volume       = {437},
      number       = {4},
      issn         = {1365-2966},
      address      = {Oxford [u.a.]},
      publisher    = {Wiley-Blackwell},
      reportid     = {DESY-2014-01207, arXiv:1311.3637},
      pages        = {3103 - 3111},
      year         = {2014},
      note         = {8 pages, 5 figures, 2 tables. Submitted to MNRAS},
      abstract     = {Indications of a GeV component in the emission from GRBs
                      are known since the EGRET observations during the 1990's and
                      they have been confirmed by the data of the Fermi satellite.
                      These results have, however, shown that our understanding of
                      GRB physics is still unsatisfactory. The new generation of
                      Cherenkov observatories and in particular the MAGIC
                      telescope, allow for the first time the possibility to
                      extend the measurement of GRBs from several tens up to
                      hundreds of GeV energy range. Both leptonic and hadronic
                      processes have been suggested to explain the possible
                      GeV/TeV counterpart of GRBs. Observations with ground-based
                      telescopes of very high energy photons (E>30 GeV) from these
                      sources are going to play a key role in discriminating among
                      the different proposed emission mechanisms, which are barely
                      distinguishable at lower energies. MAGIC telescope
                      observations of the GRB 090102 (z=1.547) field and Fermi
                      Large Area Telescope (LAT) data in the same time interval
                      are analysed to derive upper limits of the GeV/TeV emission.
                      We compare these results to the expected emissions evaluated
                      for different processes in the framework of a relativistic
                      blast wave model for the afterglow. Simultaneous upper
                      limits with Fermi and a Cherenkov telescope have been
                      derived for this GRB observation. The results we obtained
                      are compatible with the expected emission although the
                      difficulties in predicting the HE and VHE emission for the
                      afterglow of this event makes it difficult to draw firmer
                      conclusions. Nonetheless, MAGIC sensitivity in the energy
                      range of overlap with space-based instruments (above about
                      40 GeV) is about one order of magnitude better with respect
                      to Fermi. This makes evident the constraining power of
                      ground-based observations and shows that the MAGIC telescope
                      has reached the required performance to make possible GRB
                      multiwavelength studies in the very high energy range.},
      cin          = {ZEU-EXP/AT},
      ddc          = {520},
      cid          = {$I:(DE-H253)ZEU-EXP_AT-20120731$},
      pnm          = {523 - High-energy gamma ray astronomy (POF2-523)},
      pid          = {G:(DE-HGF)POF2-523},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000329177100007},
      eprint       = {1311.3637},
      howpublished = {arXiv:1311.3637},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:1311.3637;\%\%$},
      doi          = {10.1093/mnras/stt2041},
      url          = {https://bib-pubdb1.desy.de/record/166280},
}