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Kh\\'elifi, B. Opitz, B. Peyaud, B. Rudak, C. Boisson, C. B. Rulten, C.-C. Lu, C. Couturier, C. Deil, C. Farnier, C. Jahn, C. L. Naumann, C. Stegmann, C. Trichard, C. van Eldik, C. Venter, D. A. Sanchez, D. Fernandez, D. G\\\"oring, D. Hampf, D. Horns, D. Klochkov, D. Kolitzus, D. Lennarz, D. Nedbal, D. Wouters, E. Birsin, E. de O\\~na Wilhelmi, E. Moulin, F. Acero, F. Aharonian, F. Brun, F. Feinstein, F. Krayzel, F. Rieger, F. Sheidaei, F. Stinzing, F. Volpe, G. Anton, G. Cologna, G. Dubus, G. Fontaine, G. Heinzelmann, G. Henri, G. Hermann, G. Lamanna, G. Maurin, G. Pelletier, G. P\\\"uhlhofer, G. Rowell, G. Spengler, G. Vasileiadis, H.E.S.S. Collaboration: A. Abramowski, H. Gast, H. J. Dickinson, H. J. V\\\"olk, H. Laffon, H. Sol, H.-S. Zechlin, I. D. Davids, I. Jung, I. Oya, I. Sushch, J. A. Hinton, J. Becker Tjus, J. Biteau, J. Bolmont, J. Brucker, J. Conrad, J. D. Hague, J. Dyks, J. F. Glicenstein, J. Hahn, J. Harris, J. Lefaucheur, J. L. Skilton, J. Masbou, J. M\\'ehault, J. Niemiec, J. Perez, J.-P. Lenain, J.-P. Tavernet, J. Ripken, K. Bernl\\\"ohr, K. Dutson, K. Egberts, K. Katarzy\\'nski, K. Kosack, K. Stycz, K. Valerius, L. Fallon, L. O'C. Drury, L. Rob, {\\L}. Stawarz, M. A. Kastendieck, M. Cerruti, M. C. Medina, M. Dalton, M. de Naurois, M. Dyrda, M. F\\\"u{\\ss}ling, M. Gajdus, M. Grudzi\\'nska, M.-H. Grondin, M. Holler, M. Jamrozy, M. K. Daniel, M. Lemoine-Goumard, M. Mayer, M. Mohamed, M. Naumann-Godo, M. Ostrowski, M. Panter, M. Paz Arribas, M. Punch, M. Raue, M. Renaud, M. Tluczykont, M. V. Fernandes, M. Vorster, M. Ward, M. Zacharias, N. Maxted, N. Nguyen, Nu. Komin, N. W. Pekeur, O. Reimer, P. Bordas, P. Brun, P. deWilt, P. Eger, P. Espigat, P. Hofverberg, P. M. Chadwick, P.-O. Petrucci, P. P. Kr\\\"uger, P. Vincent, R. C. G. Chaves, R. de los Reyes, R. D. Parsons, R. Kossakowski, R. Moderski, R. Schlickeiser, R. Steenkamp, R. Terrier, R. White, S. Balenderan, S. Carrigan, S. Casanova, S. Colafrancesco, S. Fegan, S. H\\\"affner, S. Heinz, S. J. Nolan, S. J. Wagner, S. Kaufmann, S. Klepser, S. Ohm, S. Pita, S. Raab, S. Rosier-Lees, S. Schwarzburg, S. Schwemmer, S. Vorobiov, T. Bulik, T. Garrigoux, T. J. L. McComb, T. Kneiske, T. Lohse, U. Katz, U. Menzler, U. Schwanke, V. Marandon, V. Sahakian, W. Domainko, W. Hofmann, W. Klu\\'zniak, Y. A. Gallant, Y. Becherini","submitted_at":"2013-01-08T21:00:00Z","abstract_excerpt":"Globular clusters (GCs) are established emitters of high-energy (HE, 100 MeV<E<100 GeV) \\gamma-ray radiation which could originate from the cumulative emission of the numerous millisecond pulsars (msPSRs) in the clusters' cores or from inverse Compton (IC) scattering of relativistic leptons accelerated in the GC environment. 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A. Zdziarski, A. Balzer, A. Barnacka, A. Bochow, A. Cheesebrough, A. Djannati-Ata\\\"i, A. Fiasson, A. F\\\"orster, A. G. Akhperjanian, A. Hillert, A. Jacholkowska, A. Lopatin, A. Marcowith, A. Quirrenbach, A. Reimer, A. Santangelo, A. Schulz, A. Szostek, A. Viana, A. Wierzcholska, A. Zajczyk, A. Zech, B. Degrange, B. Giebels, B. Gl\\\"uck, B. Kh\\'elifi, B. Opitz, B. Peyaud, B. Rudak, C. Boisson, C. B. Rulten, C.-C. Lu, C. Couturier, C. Deil, C. Farnier, C. Jahn, C. L. Naumann, C. Stegmann, C. Trichard, C. van Eldik, C. Venter, D. A. Sanchez, D. Fernandez, D. G\\\"oring, D. Hampf, D. Horns, D. Klochkov, D. Kolitzus, D. Lennarz, D. Nedbal, D. Wouters, E. Birsin, E. de O\\~na Wilhelmi, E. Moulin, F. Acero, F. Aharonian, F. Brun, F. Feinstein, F. Krayzel, F. Rieger, F. Sheidaei, F. Stinzing, F. Volpe, G. Anton, G. Cologna, G. Dubus, G. Fontaine, G. Heinzelmann, G. Henri, G. Hermann, G. Lamanna, G. Maurin, G. Pelletier, G. P\\\"uhlhofer, G. Rowell, G. Spengler, G. Vasileiadis, H.E.S.S. 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