Sökning: WFRF:(Norris E) > Anisotropies in the...
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000 | 07665naa a2201921 4500 | |
001 | oai:DiVA.org:su-80289 | |
003 | SwePub | |
008 | 120917s2012 | |||||||||||000 ||eng| | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-802892 URI |
024 | 7 | a https://doi.org/10.1103/PhysRevD.85.0830072 DOI |
040 | a (SwePub)su | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Ackermann, M.4 aut |
245 | 1 0 | a Anisotropies in the diffuse gamma-ray background measured by the Fermi LAT |
264 | 1 | c 2012 |
338 | a print2 rdacarrier | |
520 | a The contribution of unresolved sources to the diffuse gamma-ray background could induce anisotropies in this emission on small angular scales. We analyze the angular power spectrum of the diffuse emission measured by the Fermi Large Area Telescope at Galactic latitudes vertical bar b vertical bar > 30 degrees in four energy bins spanning 1-50 GeV. At multipoles l >= 155, corresponding to angular scales less than or similar to 2 degrees, angular power above the photon noise level is detected at >99.99% confidence level in the 1-2 GeV, 2-5 GeV, and 5-10 GeV energy bins, and at >99% confidence level at 10-50 GeV. Within each energy bin the measured angular power takes approximately the same value at all multipoles l >= 155, suggesting that it originates from the contribution of one or more unclustered source populations. The amplitude of the angular power normalized to the mean intensity in each energy bin is consistent with a constant value at all energies, C-P/< I >(2) 9.05 +/- 0.84 x 10(-6) sr, while the energy dependence of C-P is consistent with the anisotropy arising from one or more source populations with power-law photon spectra with spectral index Gamma(s) = 2.40 +/- 0.07. We discuss the implications of the measured angular power for gamma-ray source populations that may provide a contribution to the diffuse gamma-ray background. | |
650 | 7 | a NATURVETENSKAPx Fysikx Atom- och molekylfysik och optik0 (SwePub)103022 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Atom and Molecular Physics and Optics0 (SwePub)103022 hsv//eng |
700 | 1 | a Ajello, M.4 aut |
700 | 1 | a Albert, A.4 aut |
700 | 1 | a Baldini, L.4 aut |
700 | 1 | a Ballet, J.4 aut |
700 | 1 | a Barbiellini, G.4 aut |
700 | 1 | a Bastieri, D.4 aut |
700 | 1 | a Bechtol, K.4 aut |
700 | 1 | a Bellazzini, R.4 aut |
700 | 1 | a Bloom, E. D.4 aut |
700 | 1 | a Bonamente, E.4 aut |
700 | 1 | a Borgland, A. W.4 aut |
700 | 1 | a Brandt, T. J.4 aut |
700 | 1 | a Bregeon, J.4 aut |
700 | 1 | a Brigida, M.4 aut |
700 | 1 | a Bruel, P.4 aut |
700 | 1 | a Buehler, R.4 aut |
700 | 1 | a Buson, S.4 aut |
700 | 1 | a Caliandro, G. A.4 aut |
700 | 1 | a Cameron, R. A.4 aut |
700 | 1 | a Caraveo, P. A.4 aut |
700 | 1 | a Cecchi, C.4 aut |
700 | 1 | a Charles, E.4 aut |
700 | 1 | a Chekhtman, A.4 aut |
700 | 1 | a Chiang, J.4 aut |
700 | 1 | a Ciprini, S.4 aut |
700 | 1 | a Claus, R.4 aut |
700 | 1 | a Cohen-Tanugi, J.4 aut |
700 | 1 | a Conrad, Janu Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)4 aut0 (Swepub:su)conrad |
700 | 1 | a Cuoco, Alessandrou Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)4 aut0 (Swepub:su)acuoc |
700 | 1 | a Cutini, S.4 aut |
700 | 1 | a D'Ammando, F.4 aut |
700 | 1 | a de Palma, F.4 aut |
700 | 1 | a Dermer, C. D.4 aut |
700 | 1 | a Digel, S. W.4 aut |
700 | 1 | a do Couto e Silva, E.4 aut |
700 | 1 | a Drell, P. S.4 aut |
700 | 1 | a Drlica-Wagner, A.4 aut |
700 | 1 | a Dubois, R.4 aut |
700 | 1 | a Favuzzi, C.4 aut |
700 | 1 | a Fegan, S. J.4 aut |
700 | 1 | a Ferrara, E. C.4 aut |
700 | 1 | a Fortin, P.4 aut |
700 | 1 | a Fukazawa, Y.4 aut |
700 | 1 | a Fusco, P.4 aut |
700 | 1 | a Gargano, F.4 aut |
700 | 1 | a Gasparrini, D.4 aut |
700 | 1 | a Germani, S.4 aut |
700 | 1 | a Giglietto, N.4 aut |
700 | 1 | a Giroletti, M.4 aut |
700 | 1 | a Glanzman, T.4 aut |
700 | 1 | a Godfrey, G.4 aut |
700 | 1 | a Gomez-Vargas, G. A.4 aut |
700 | 1 | a Gregoire, T.4 aut |
700 | 1 | a Grenier, I. A.4 aut |
700 | 1 | a Grove, J. E.4 aut |
700 | 1 | a Guiriec, S.4 aut |
700 | 1 | a Gustafsson, M.4 aut |
700 | 1 | a Hadasch, D.4 aut |
700 | 1 | a Hayashida, M.4 aut |
700 | 1 | a Hayashi, K.4 aut |
700 | 1 | a Hou, X.4 aut |
700 | 1 | a Hughes, R. E.4 aut |
700 | 1 | a Johannesson, G.4 aut |
700 | 1 | a Johnson, A. S.4 aut |
700 | 1 | a Kamae, T.4 aut |
700 | 1 | a Knoedlseder, J.4 aut |
700 | 1 | a Kuss, M.4 aut |
700 | 1 | a Lande, J.4 aut |
700 | 1 | a Latronico, L.4 aut |
700 | 1 | a Lemoine-Goumard, M.4 aut |
700 | 1 | a Linden, T.4 aut |
700 | 1 | a Lionetto, A. M.4 aut |
700 | 1 | a Garde, M. Llenau Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)4 aut0 (Swepub:su)mgarde |
700 | 1 | a Longo, F.4 aut |
700 | 1 | a Loparco, F.4 aut |
700 | 1 | a Lovellette, M. N.4 aut |
700 | 1 | a Lubrano, P.4 aut |
700 | 1 | a Mazziotta, M. N.4 aut |
700 | 1 | a McEnery, J. E.4 aut |
700 | 1 | a Mitthumsiri, W.4 aut |
700 | 1 | a Mizuno, T.4 aut |
700 | 1 | a Monte, C.4 aut |
700 | 1 | a Monzani, M. E.4 aut |
700 | 1 | a Morselli, A.4 aut |
700 | 1 | a Moskalenko, I. V.4 aut |
700 | 1 | a Murgia, S.4 aut |
700 | 1 | a Naumann-Godo, M.4 aut |
700 | 1 | a Norris, J. P.4 aut |
700 | 1 | a Nuss, E.4 aut |
700 | 1 | a Ohsugi, T.4 aut |
700 | 1 | a Okumura, A.4 aut |
700 | 1 | a Orienti, M.4 aut |
700 | 1 | a Orlando, E.4 aut |
700 | 1 | a Ormes, J. F.4 aut |
700 | 1 | a Paneque, D.4 aut |
700 | 1 | a Panetta, J. H.4 aut |
700 | 1 | a Parent, D.4 aut |
700 | 1 | a Pavlidou, V.4 aut |
700 | 1 | a Pesce-Rollins, M.4 aut |
700 | 1 | a Pierbattista, M.4 aut |
700 | 1 | a Piron, F.4 aut |
700 | 1 | a Pivato, G.4 aut |
700 | 1 | a Raino, S.4 aut |
700 | 1 | a Rando, R.4 aut |
700 | 1 | a Reimer, A.4 aut |
700 | 1 | a Reimer, O.4 aut |
700 | 1 | a Roth, M.4 aut |
700 | 1 | a Sbarra, C.4 aut |
700 | 1 | a Schmitt, J.4 aut |
700 | 1 | a Sgro, C.4 aut |
700 | 1 | a Siegal-Gaskins, J.4 aut |
700 | 1 | a Siskind, E. J.4 aut |
700 | 1 | a Spandre, G.4 aut |
700 | 1 | a Spinelli, P.4 aut |
700 | 1 | a Strong, A. W.4 aut |
700 | 1 | a Suson, D. J.4 aut |
700 | 1 | a Takahashi, H.4 aut |
700 | 1 | a Tanaka, T.4 aut |
700 | 1 | a Thayer, J. B.4 aut |
700 | 1 | a Tibaldo, L.4 aut |
700 | 1 | a Tinivella, M.4 aut |
700 | 1 | a Torres, D. F.4 aut |
700 | 1 | a Tosti, G.4 aut |
700 | 1 | a Troja, E.4 aut |
700 | 1 | a Usher, T. L.4 aut |
700 | 1 | a Vandenbroucke, J.4 aut |
700 | 1 | a Vasileiou, V.4 aut |
700 | 1 | a Vianello, G.4 aut |
700 | 1 | a Vitale, V.4 aut |
700 | 1 | a Waite, A. P.4 aut |
700 | 1 | a Winer, B. L.4 aut |
700 | 1 | a Wood, K. S.4 aut |
700 | 1 | a Wood, M.4 aut |
700 | 1 | a Yang, Zhaoyuu Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)4 aut0 (Swepub:su)zhaoyu |
700 | 1 | a Zimmer, Stephanu Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)4 aut0 (Swepub:su)stzi0820 |
700 | 1 | a Komatsu, E.4 aut |
710 | 2 | a Stockholms universitetb Fysikum4 org |
773 | 0 | t Physical Review Dg 85:8q 85:8x 1550-7998x 1550-2368 |
856 | 4 | u https://doi.org/10.1103/PhysRevD.85.083007y Fulltext |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-80289 |
856 | 4 8 | u https://doi.org/10.1103/PhysRevD.85.083007 |
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