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Long-term monitorin...
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Abramowski, A.Univ Hamburg, Inst Expt Phys, D-22761 Hamburg, Germ ; Max Planck Inst Kernphys, D-69029 Heidelberg, Germanyny,Natl Acad Sci Republ Armenia, Yerevan, Armenia ; Yerevan Phys Inst, Yerevan 375036, Armenia,Univ Amsterdam, Astron Inst Anton Pannekoek, GRAPPA, NL-1098 XH Amsterdam, Netherlands,Uniwersytet Jagiellonski, PL-30244 Krakow, Poland ; Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA
(author)
Long-term monitoring of PKS2155-304 with ATOM and HESS:investigation of optical/gamma-ray correlations in different spectral states
- Article/chapterEnglish2014
Publisher, publication year, extent ...
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2014-11-04
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EDP Sciences,2014
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:lnu-40414
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https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-40414URI
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https://doi.org/10.1051/0004-6361/201424142DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-115642URI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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AuthorCount:228;
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In this paper we report on the analysis of all the available optical and very high-energy gamma-ray (> 200 GeV) data for the BL Lac object PKS 2155-304, collected simultaneously with the ATOM and H.E.S.S. telescopes from 2007 until 2009. This study also includes X-ray (RXTE, Swift) and high-energy gamma-ray (Fermi-LAT) data. During the period analysed, the source was transitioning from its flaring to quiescent optical states, and was characterized by only moderate flux changes at different wavelengths on the timescales of days and months. A flattening of the optical continuum with an increasing optical flux can be noted in the collected dataset, but only occasionally and only at higher flux levels. We did not find any universal relation between the very high-energy gamma-ray and optical flux changes on the timescales from days and weeks up to several years. On the other hand, we noted that at higher flux levels the source can follow two distinct tracks in the optical flux-colour diagrams, which seem to be related to distinct gamma-ray states of the blazar. The obtained results therefore indicate a complex scaling between the optical and gamma-ray emission of PKS 2155 304, with different correlation patterns holding at different epochs, and a gamma-ray flux depending on the combination of an optical flux and colour rather than a flux alone.
Subject headings and genre
Added entries (persons, corporate bodies, meetings, titles ...)
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Aharonian, F.Max Planck Inst Kernphys, D-69029 Heidelberg, Germany ; Dublin Inst Adv Studies, Dublin 2, Ireland ; Natl Acad Sci Republ Armenia, Yerevan, Armenia
(author)
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Benkhali, F. AitMax Planck Inst Kernphys, D-69029 Heidelberg, Germany
(author)
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Akhperjanian, A. G.Natl Acad Sci Republ Armenia, Yerevan, Armenia ; Yerevan Phys Inst, Yerevan 375036, Armenia
(author)
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Anguner, E. O.Humboldt Univ, Inst Phys, D-12489 Berlin, Germany
(author)
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Backes, M.Univ Namibia, Dept Phys, Windhoek, Namibia
(author)
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Balenderan, S.Univ Durham, Dept Phys, Durham DH1 3LE, England
(author)
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Balzer, A.Univ Amsterdam, Astron Inst Anton Pannekoek, GRAPPA, NL-1098 XH Amsterdam, Netherlands
(author)
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Barnacka, A.Uniwersytet Jagiellonski, PL-30244 Krakow, Poland ; Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA
(author)
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Becherini, YvonneLinnéuniversitetet,Institutionen för fysik och elektroteknik (IFE)(Swepub:lnu)yvbeaa
(author)
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Tjus, J. Becker
(author)
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Berge, D.
(author)
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Bernhard, S.
(author)
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Bernlohr, K.
(author)
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Birsin, E.
(author)
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Biteau, J.
(author)
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Bottcher, M.
(author)
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Boisson, C.
(author)
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Bolmont, J.
(author)
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Bordas, P.
(author)
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Bregeon, J.
(author)
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Brun, F.
(author)
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Brun, P.
(author)
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Bryan, M.
(author)
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Bulik, T.
(author)
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Carrigan, S.
(author)
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Casanova, S.
(author)
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Meyer, ManuelStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)rwagner
(author)
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Chakraborty, N.
(author)
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Chalme-Calvet, R.
(author)
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Chaves, R. C. G.
(author)
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Chretien, M.
(author)
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Colafrancesco, S.
(author)
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Cologna, G.
(author)
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Conrad, JanStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)conrad
(author)
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Couturier, C.
(author)
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Cui, Y.
(author)
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Dalton, M.
(author)
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Davids, I. D.
(author)
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Degrange, B.
(author)
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Deil, C.
(author)
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dewilt, P.
(author)
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Djannati-Atai, A.
(author)
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Domainko, W.
(author)
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Donath, A.
(author)
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Drury, L. O 'C.
(author)
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Dubus, G.
(author)
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Dutson, K.
(author)
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Dyks, J.
(author)
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Dyrda, M.
(author)
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Edwards, T.
(author)
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Egberts, K.
(author)
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Eger, P.
(author)
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Espigat, P.
(author)
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Farnier, ChristianStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)cfarn
(author)
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Fegan, S.
(author)
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Feinstein, F.
(author)
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Fernandes, M. V.
(author)
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Fernandez, D.
(author)
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Fiasson, A.
(author)
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Fontaine, G.
(author)
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Forster, A.
(author)
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Fuling, M.
(author)
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Gabici, S.
(author)
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Gajdus, M.
(author)
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Gallant, Y. A.
(author)
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Garrigoux, T.
(author)
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Giavitto, G.
(author)
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Giebels, B.
(author)
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Glicenstein, J. F.
(author)
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Gottschall, D.
(author)
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Grondin, M. -H
(author)
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Grudzinska, M.
(author)
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Hadsch, D.
(author)
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Haeffner, S.
(author)
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Hahn, J.
(author)
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Harris, J.
(author)
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Heinzelmann, G.
(author)
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Henri, G.
(author)
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Hermann, G.
(author)
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Hervet, O.
(author)
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Hillert, A.
(author)
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Hinton, J. A.
(author)
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Hofmann, W.
(author)
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Hofverberg, P.
(author)
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Holler, M.
(author)
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Horns, D.
(author)
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Ivascenko, A.
(author)
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Jacholkowska, A.
(author)
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Jahn, C.
(author)
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Jamrozy, M.
(author)
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Janiak, M.
(author)
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Jankowsky, F.
(author)
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Jung, I.
(author)
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Kastendieck, M. A.
(author)
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Katarzynski, K.
(author)
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Katz, U.
(author)
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Kaufmann, S.
(author)
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Khelifi, B.
(author)
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Kiefeer, M.
(author)
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Klepser, S.
(author)
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Klochkov, D.
(author)
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Kluzniak, W.
(author)
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Kolitzus, D.
(author)
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Komin, Nu.
(author)
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Kosack, K.
(author)
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Krakau, S.
(author)
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Krayzel, F.
(author)
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Kruger, P. P.
(author)
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Laffon, H.
(author)
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Lamanna, G.
(author)
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Lefaucheur, J.
(author)
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Lefranc, V.
(author)
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Lemiere, A.
(author)
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Lemoine-Goumard, M.
(author)
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Lenain, J. -P
(author)
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Lohse, T.
(author)
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Lopatin, A.
(author)
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Lu, C. -C
(author)
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Marandon, V.
(author)
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Marcowith, A.
(author)
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Marx, R.
(author)
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Maurin, G.
(author)
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Maxted, N.
(author)
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Mayer, M.
(author)
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McComb, T. J. L.
(author)
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Mehault, J.
(author)
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Meintjes, P. J.
(author)
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Menzler, U.
(author)
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Meyer, M.
(author)
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Mitchell, A. M. W.
(author)
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Moderski, R.
(author)
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Mohamed, M.
(author)
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Morå, KnutStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)kdund
(author)
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Moulin, E.
(author)
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Murach, T.
(author)
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de Naurois, M.
(author)
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Niemiec, J.
(author)
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Nolan, S. J.
(author)
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Oakes, L.
(author)
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Odaka, H.
(author)
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Ohm, S.
(author)
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Opitz, B.
(author)
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Ostrowski, M.
(author)
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Oya, I.
(author)
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Panter, M.
(author)
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Parsons, R. D.
(author)
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Arribas, M. Paz
(author)
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Pekeur, N. W.
(author)
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Pelletier, G.
(author)
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Perez, J.
(author)
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Petrucci, P. -O
(author)
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Peyaud, B.
(author)
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Pita, S.
(author)
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Poon, H.
(author)
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Puhlhofer, G.
(author)
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Punch, MichaelUniv Paris Diderot, APC, AstroParticule & Cosmology, CNRS,IN2P3,CEA,Irfu, Observ Paris,Sorbonne Paris C, 10 Rue Alice Domon & Leonie Duquet, F-75205 Paris 13, France(Swepub:lnu)mipuaa
(author)
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Quirrenbach, A.
(author)
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Raab, S.
(author)
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Reichardt, I.
(author)
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Reimer, A.
(author)
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Reimer, O.
(author)
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Renaud, M.
(author)
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de los Reyes, R.
(author)
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Rieger, F.
(author)
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Rob, L.
(author)
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Romoli, C.
(author)
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Rosier-Lees, S.
(author)
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Rowell, G.
(author)
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Rudak, B.
(author)
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Rulten, C. B.
(author)
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Sahakian, V.
(author)
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Salek, D.
(author)
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Sanchez, D. A.
(author)
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Santangelo, A.
(author)
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Schlickeiser, R.
(author)
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Schussler, F.
(author)
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Schulz, A.
(author)
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Schwanke, U.
(author)
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Schwarzburg, S.
(author)
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Schwemmer, S.
(author)
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Sol, H.
(author)
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Spanier, F.
(author)
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Spengler, GerritStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)gspen
(author)
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Spies, F.
(author)
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Stawarz, L.
(author)
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Steenkamp, R.
(author)
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Stegmann, C.
(author)
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Stinzing, F.
(author)
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Stycz, K.
(author)
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Sushch, I.
(author)
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Tavernet, J. -P
(author)
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Tavernier, T.
(author)
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Taylor, A. M.
(author)
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Terrier, R.
(author)
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Tluczykont, M.
(author)
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Trichard, C.
(author)
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Valerius, K.
(author)
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Van Eldik, C.
(author)
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Van Soelen, B.
(author)
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Vasileiadis, G.
(author)
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Veh, J.
(author)
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Venter, C.
(author)
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Viana, A.
(author)
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Vincent, P.
(author)
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Vink, J.
(author)
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Volk, H. J.
(author)
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Volpe, F.
(author)
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Vorster, M.
(author)
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Vuillaume, T.
(author)
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Wagner, S. J.
(author)
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Wagner, P.
(author)
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Wagner, R. M.
(author)
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Ward, M.
(author)
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Weidinger, M.
(author)
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Weitzel, Q.
(author)
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White, R.
(author)
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Wierzcholska, A.
(author)
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Willmann, P.
(author)
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Wornlein, A.
(author)
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Wouters, D.
(author)
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Yang, R.
(author)
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Zabalza, V.
(author)
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Zaborov, D.
(author)
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Zacharias, M.
(author)
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Zdziarski, A. A.
(author)
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Zech, A.
(author)
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Zechlin, H. -S
(author)
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Univ Hamburg, Inst Expt Phys, D-22761 Hamburg, Germ ; Max Planck Inst Kernphys, D-69029 Heidelberg, GermanynyNatl Acad Sci Republ Armenia, Yerevan, Armenia ; Yerevan Phys Inst, Yerevan 375036, Armenia
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Abramowski, A.
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Anguner, E. O.
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Balenderan, S.
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Bottcher, M.
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Boisson, C.
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Bordas, P.
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Bregeon, J.
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Brun, F.
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Brun, P.
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Hahn, J.
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Harris, J.
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Heinzelmann, G.
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Henri, G.
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Hermann, G.
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Hervet, O.
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Hillert, A.
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Hinton, J. A.
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Hofmann, W.
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Hofverberg, P.
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Holler, M.
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Horns, D.
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Ivascenko, A.
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Jacholkowska, A.
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Kiefeer, M.
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Klochkov, D.
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Kluzniak, W.
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Kolitzus, D.
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Komin, Nu.
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Kosack, K.
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Krakau, S.
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Krayzel, F.
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Kruger, P. P.
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Laffon, H.
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Marx, R.
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Maurin, G.
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Mayer, M.
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McComb, T. J. L.
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Mehault, J.
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Morå, Knut
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Moulin, E.
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de Naurois, M.
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Niemiec, J.
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Nolan, S. J.
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Oakes, L.
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Odaka, H.
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Ohm, S.
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Opitz, B.
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Ostrowski, M.
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Oya, I.
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Panter, M.
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Parsons, R. D.
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Arribas, M. Paz
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Pekeur, N. W.
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Pelletier, G.
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Perez, J.
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Petrucci, P. -O
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Peyaud, B.
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Pita, S.
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Poon, H.
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Puhlhofer, G.
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Punch, Michael
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Quirrenbach, A.
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Raab, S.
-
Reichardt, I.
-
Reimer, A.
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Reimer, O.
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Renaud, M.
-
de los Reyes, R.
-
Rieger, F.
-
Rob, L.
-
Romoli, C.
-
Rosier-Lees, S.
-
Rowell, G.
-
Rudak, B.
-
Rulten, C. B.
-
Sahakian, V.
-
Salek, D.
-
Sanchez, D. A.
-
Santangelo, A.
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Schlickeiser, R.
-
Schussler, F.
-
Schulz, A.
-
Schwanke, U.
-
Schwarzburg, S.
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Schwemmer, S.
-
Sol, H.
-
Spanier, F.
-
Spengler, Gerrit
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Spies, F.
-
Stawarz, L.
-
Steenkamp, R.
-
Stegmann, C.
-
Stinzing, F.
-
Stycz, K.
-
Sushch, I.
-
Tavernet, J. -P
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Tavernier, T.
-
Taylor, A. M.
-
Terrier, R.
-
Tluczykont, M.
-
Trichard, C.
-
Valerius, K.
-
Van Eldik, C.
-
Van Soelen, B.
-
Vasileiadis, G.
-
Veh, J.
-
Venter, C.
-
Viana, A.
-
Vincent, P.
-
Vink, J.
-
Volk, H. J.
-
Volpe, F.
-
Vorster, M.
-
Vuillaume, T.
-
Wagner, S. J.
-
Wagner, P.
-
Wagner, R. M.
-
Ward, M.
-
Weidinger, M.
-
Weitzel, Q.
-
White, R.
-
Wierzcholska, A.
-
Willmann, P.
-
Wornlein, A.
-
Wouters, D.
-
Yang, R.
-
Zabalza, V.
-
Zaborov, D.
-
Zacharias, M.
-
Zdziarski, A. A.
-
Zech, A.
-
Zechlin, H. -S
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