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Constraints on the ...
Constraints on the galactic halo dark matter from fermi-lat diffuse measurements
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Ackermann, M. (author)
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Ajello, M. (author)
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Atwood, W. B. (author)
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show more...
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Baldini, L. (author)
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Barbiellini, G. (author)
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Bastieri, D. (author)
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Bechtol, K. (author)
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Bellazzini, R. (author)
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Blandford, R. D. (author)
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Bloom, E. D. (author)
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Bonamente, E. (author)
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Borgland, A. W. (author)
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Bottacini, E. (author)
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Brandt, T. J. (author)
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Bregeon, J. (author)
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Brigida, M. (author)
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Bruel, P. (author)
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Buehler, R. (author)
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Buson, S. (author)
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Caliandro, G. A. (author)
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Cameron, R. A. (author)
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Caraveo, P. A. (author)
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Casandjian, J. M. (author)
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Cecchi, C. (author)
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Charles, E. (author)
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Chekhtman, A. (author)
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Chiang, J. (author)
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Ciprini, S. (author)
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Claus, R. (author)
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Cohen-Tanugi, J. (author)
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- Conrad, Jan M. (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Cuoco, Alessandro (author)
- Stockholms universitet,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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Cutini, S. (author)
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D'Ammando, F. (author)
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de Angelis, A. (author)
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de Palma, F. (author)
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Dermer, C. D. (author)
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do Couto e Silva, E. (author)
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Drell, P. S. (author)
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Drlica-Wagner, A. (author)
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Falletti, L. (author)
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Favuzzi, C. (author)
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Fegan, S. J. (author)
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Focke, W. B. (author)
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Fukazawa, Y. (author)
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Funk, S. (author)
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Fusco, P. (author)
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Gargano, F. (author)
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Gasparrini, D. (author)
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Germani, S. (author)
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Giglietto, N. (author)
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Giordano, F. (author)
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Giroletti, M. (author)
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Glanzman, T. (author)
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Godfrey, G. (author)
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Grenier, I. A. (author)
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Guiriec, S. (author)
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Gustafsson, M. (author)
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Hadasch, D. (author)
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Hayashida, M. (author)
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Horan, D. (author)
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Hughes, R. E. (author)
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- Jackson, Miranda S. (author)
- KTH,Partikel- och astropartikelfysik
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Jogler, T. (author)
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Johannesson, G. (author)
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Johnson, A. S. (author)
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Kamae, T. (author)
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Knoedlseder, J. (author)
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Kuss, M. (author)
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Lande, J. (author)
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Latronico, L. (author)
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Lionetto, A. M. (author)
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- Garde, M. Llena (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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Longo, F. (author)
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Loparco, F. (author)
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Lott, B. (author)
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Lovellette, M. N. (author)
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Lubrano, P. (author)
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Mazziotta, M. N. (author)
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McEnery, J. E. (author)
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Mehault, J. (author)
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Michelson, P. F. (author)
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Mitthumsiri, W. (author)
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Mizuno, T. (author)
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Moiseev, A. A. (author)
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Monte, C. (author)
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Monzani, M. E. (author)
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Morselli, A. (author)
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Moskalenko, I. V. (author)
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Murgia, S. (author)
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Naumann-Godo, M. (author)
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Norris, J. P. (author)
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Nuss, E. (author)
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Ohsugi, T. (author)
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Orienti, M. (author)
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Orlando, E. (author)
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Ormes, J. F. (author)
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Paneque, D. (author)
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Panetta, J. H. (author)
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Pesce-Rollins, M. (author)
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Pierbattista, M. (author)
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Piron, F. (author)
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Pivato, G. (author)
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Poon, H. (author)
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Raino, S. (author)
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Rando, R. (author)
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Razzano, M. (author)
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Razzaque, S. (author)
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Reimer, A. (author)
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Reimer, O. (author)
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Romoli, C. (author)
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Sbarra, C. (author)
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Scargle, J. D. (author)
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Sgro, C. (author)
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Siskind, E. J. (author)
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Spandre, G. (author)
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Spinelli, P. (author)
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Stawarz, Lukasz (author)
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Strong, A. W. (author)
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Suson, D. J. (author)
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Tajima, H. (author)
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Takahashi, H. (author)
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Tanaka, T. (author)
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Thayer, J. G. (author)
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Thayer, J. B. (author)
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Tibaldo, L. (author)
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Tinivella, M. (author)
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Tosti, G. (author)
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Troja, E. (author)
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Usher, T. L. (author)
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Vandenbroucke, J. (author)
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Vasileiou, V. (author)
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Vianello, G. (author)
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Vitale, V. (author)
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Waite, A. P. (author)
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Wallace, E. (author)
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Wood, K. S. (author)
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Wood, M. (author)
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- Yang, Zhaoyu (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Zaharijas, Gabrijela (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC),Institut de Physique Théorique, France
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- Zimmer, Stephan (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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(creator_code:org_t)
- 2012
- 2012
- English.
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In: Astrophysical Journal. - 0004-637X .- 1538-4357. ; 761:2, s. 91-
- Related links:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Subject headings
Close
- We have performed an analysis of the diffuse gamma-ray emission with the Fermi Large Area Telescope (LAT) in the Milky Way halo region, searching for a signal from dark matter annihilation or decay. In the absence of a robust dark matter signal, constraints are presented. We consider both gamma rays produced directly in the dark matter annihilation/decay and produced by inverse Compton scattering of the e(+)/e(-) produced in the annihilation/decay. Conservative limits are derived requiring that the dark matter signal does not exceed the observed diffuse gamma-ray emission. A second set of more stringent limits is derived based on modeling the foreground astrophysical diffuse emission using the GALPROP code. Uncertainties in the height of the diffusive cosmic-ray halo, the distribution of the cosmic-ray sources in the Galaxy, the index of the injection cosmic-ray electron spectrum, and the column density of the interstellar gas are taken into account using a profile likelihood formalism, while the parameters governing the cosmic-ray propagation have been derived from fits to local cosmic-ray data. The resulting limits impact the range of particle masses over which dark matter thermal production in the early universe is possible, and challenge the interpretation of the PAMELA/Fermi-LAT cosmic ray anomalies as the annihilation of dark matter.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- dark matter
- Galaxy: halo
- gamma rays: diffuse background
- methods: statistical
Publication and Content Type
- ref (subject category)
- art (subject category)
Find in a library
To the university's database
- By the author/editor
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Ackermann, M.
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Ajello, M.
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Atwood, W. B.
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Baldini, L.
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Barbiellini, G.
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Bastieri, D.
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show more...
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Bechtol, K.
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Bellazzini, R.
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Blandford, R. D.
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Bloom, E. D.
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Bonamente, E.
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Borgland, A. W.
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Bottacini, E.
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Brandt, T. J.
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Bregeon, J.
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Brigida, M.
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Bruel, P.
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Buehler, R.
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Buson, S.
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Caliandro, G. A.
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Cameron, R. A.
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Caraveo, P. A.
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Casandjian, J. M ...
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Cecchi, C.
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Charles, E.
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Chekhtman, A.
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Chiang, J.
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Ciprini, S.
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Claus, R.
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Cohen-Tanugi, J.
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Conrad, Jan M.
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Cuoco, Alessandr ...
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Cutini, S.
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D'Ammando, F.
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de Angelis, A.
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de Palma, F.
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Dermer, C. D.
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do Couto e Silva ...
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Drell, P. S.
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Drlica-Wagner, A ...
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Falletti, L.
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Favuzzi, C.
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Fegan, S. J.
-
Focke, W. B.
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Fukazawa, Y.
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Funk, S.
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Fusco, P.
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Gargano, F.
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Gasparrini, D.
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Germani, S.
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Giglietto, N.
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Giordano, F.
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Giroletti, M.
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Glanzman, T.
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Godfrey, G.
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Grenier, I. A.
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Guiriec, S.
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Gustafsson, M.
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Hadasch, D.
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Hayashida, M.
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Horan, D.
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Hughes, R. E.
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Jackson, Miranda ...
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Jogler, T.
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Johannesson, G.
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Johnson, A. S.
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Kamae, T.
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Knoedlseder, J.
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Kuss, M.
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Lande, J.
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Latronico, L.
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Lionetto, A. M.
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Garde, M. Llena
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Longo, F.
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Loparco, F.
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Lott, B.
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Lovellette, M. N ...
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Lubrano, P.
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Mazziotta, M. N.
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McEnery, J. E.
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Mehault, J.
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Michelson, P. F.
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Mitthumsiri, W.
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Mizuno, T.
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Moiseev, A. A.
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Monte, C.
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Monzani, M. E.
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Morselli, A.
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Moskalenko, I. V ...
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Murgia, S.
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Naumann-Godo, M.
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Norris, J. P.
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Nuss, E.
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Ohsugi, T.
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Orienti, M.
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Orlando, E.
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Ormes, J. F.
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Paneque, D.
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Panetta, J. H.
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Pesce-Rollins, M ...
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Pierbattista, M.
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Piron, F.
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Pivato, G.
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Poon, H.
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Raino, S.
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Rando, R.
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Razzano, M.
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Razzaque, S.
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Reimer, A.
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Reimer, O.
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Romoli, C.
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Sbarra, C.
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Scargle, J. D.
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Sgro, C.
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Siskind, E. J.
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Spandre, G.
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Spinelli, P.
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Stawarz, Lukasz
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Strong, A. W.
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Suson, D. J.
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Tajima, H.
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Takahashi, H.
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Tanaka, T.
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Thayer, J. G.
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Thayer, J. B.
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Tibaldo, L.
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Tinivella, M.
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Tosti, G.
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Troja, E.
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Usher, T. L.
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Vandenbroucke, J ...
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Vasileiou, V.
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Vianello, G.
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Vitale, V.
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Waite, A. P.
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Wallace, E.
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Wood, K. S.
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Wood, M.
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Yang, Zhaoyu
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Zaharijas, Gabri ...
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Zimmer, Stephan
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
- Articles in the publication
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Astrophysical Jo ...
- By the university
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Royal Institute of Technology
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Stockholm University