ACKERMANN, Markus; ALBERT, A.; BALDINI, Luca; BALLET, Jean; BARBIELLINI, Guido; BASTIERI, D.; BECHTOL, K.; BELLAZZINI, R.; D. BLANDFORD, R.; D. BLOOM, E.; BONAMENTE, E.; W. BORGLAND, A.; BOTTACINI, E.; J. BRANDT, T.; BREGEON, J.; BRIGIDA, M.; BRUEL, Pascal; BUEHLER, R.; H. BURNETT, T.; A. CALIANDRO, G.; A. CAMERON, R.; CARAVEO, P. A.; M. CASANDJIAN, J.; CECCHI, C.; CHARLES, E.; CHIANG, J.; CIPRINI, S.; CLAUS, R.; COHEN-TANUGI, J.; CONRAD, J.; CUTINI, S.; DE PALMA, F.; D. DERMER, C.; W. DIGEL, S.; DO COUTO E SILVA, E.; S. DRELL, P.; DRLICA-WAGNER, A.; ESSIG, R.; FALLETTI, L.; FAVUZZI, C.; J. FEGAN, S.; B. FOCKE, W.; FUKAZAWA, Y.; FUNK, S.; FUSCO, P.; GARGANO, F.; GERMANI, S.; GIGLIETTO, N.; GIORDANO, F.; GIROLETTI, M.; GLANZMAN, T.; GODFREY, G.; A. GRENIER, I.; GUIRIEC, S.; GUSTAFSSON, M.; HADASCH, D.; HAYASHIDA, M.; HOU, X.; E. HUGHES, R.; P. JOHNSON, R.; S. JOHNSON, A.; KAMAE, T.; KATAGIRI, H.; KATAOKA, J.; KNÖDLSEDER, Jürgen; KUSS, M.; LANDE, J.; LATRONICO, L.; LEE, S.-H.; M. LIONETTO, A.; LLENA GARDE, M.; LONGO, F.; LOPARCO, F.; N. LOVELLETTE, M.; LUBRANO, P.; N. MAZZIOTTA, M.; E. MCENERY, J.; F. MICHELSON, P.; MITTHUMSIRI, W.; MIZUNO, T.; A. MOISEEV, A.; MONTE, C.; E. MONZANI, M.; MORSELLI, A.; V. MOSKALENKO, I.; MURGIA, S.; NAUMANN-GODO, M.; P. NORRIS, J.; NUSS, E.; OHSUGI, T.; OKUMURA, A.; ORLANDO, E.; F. ORMES, J.; OZAKI, M.; PANEQUE, D.; PELASSA, V.; PIERBATTISTA, M.; PIRON, F.; PIVATO, G.; PORTER, T.A.; RAIN'O, S.; RANDO, R.; RAZZANO, M.; REIMER, A.; REIMER, O.; RITZ, S.; F.-W. SADROZINSKI, H.; SEHGAL, N.; SGR'O, C.; J. SISKIND, E.; SPINELLI, P.; STRIGARI, L.; J. SUSON, D.; TAJIMA, H.; TAKAHASHI, H.; TANAKA, T.; G. THAYER, J.; B. THAYER, J.; TIBALDO, L.; TINIVELLA, M.; F. TORRES, D.; TROJA, E.; UCHIYAMA, Y.; L. USHER, T.; VANDENBROUCKE, J.; VASILEIOU, V.; VIANELLO, G.; VITALE, V.; P. WAITE, A.; WANG, P.; L. WINER, B.; S. WOOD, K.; YANG, Z.; ZALEWSKI, S.; ZIMMER, S.

doi:10.1088/0004-637X/747/2/121

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ACKERMANN, Markus

ALBERT, A.
Groupe de Recherche en Physique des Hautes Energies [GRPHE]

BALDINI, Luca

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The Astrophysical Journal. 2012, vol. 747, p. 121

American Astronomical Society

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Numerical simulations based on the Lambda-CDM model of cosmology predict a large number of as yet unobserved Galactic dark matter satellites. We report the results of a Large Area Telescope (LAT) search for these satellites via the gamma-ray emission expected from the annihilation of weakly interacting massive particle (WIMP) dark matter. Some dark matter satellites are expected to have hard gamma-ray spectra, finite angular extents, and a lack of counterparts at other wavelengths. We sought to identify LAT sources with these characteristics, focusing on gamma-ray spectra consistent with WIMP annihilation through the $b \bar b$ channel. We found no viable dark matter satellite candidates using one year of data, and we present a framework for interpreting this result in the context of numerical simulations to constrain the velocity-averaged annihilation cross section for a conventional 100 GeV WIMP annihilating through the $b \bar b$ channel.< Réduire

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Search for Dark Matter Satellites using the FERMI-LAT

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