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    Fermi LAT observations of cosmic-ray electrons from 7 GeV to 1 TeV

    Access Status
    Fulltext not available
    Authors
    Ackermann, M.
    Ajello, M.
    Atwood, W.
    Baldini, L.
    Ballet, J.
    Barbiellini, G.
    Bastieri, D.
    Baughman, B.
    Bechtol, K.
    Bellardi, F.
    Bellazzini, R.
    Belli, F.
    Berenji, B.
    Blandford, R.
    Bloom, E.
    Bogart, J.
    Bonamente, E.
    Borgland, A.
    Brandt, T.
    Bregeon, J.
    Brez, A.
    Brigida, M.
    Bruel, P.
    Buehler, R.
    Burnett, T.
    Busetto, G.
    Buson, S.
    Caliandro, G.
    Cameron, R.
    Caraveo, P.
    Carlson, P.
    Carrigan, S.
    Casandjian, J.
    Ceccanti, M.
    Cecchi, C.
    Celik, O.
    Charles, E.
    Chekhtman, A.
    Cheung, C.
    Chiang, J.
    Cillis, A.
    Ciprini, S.
    Claus, R.
    Cohen-Tanugi, J.
    Conrad, J.
    Corbet, R.
    DeKlotz, M.
    Dermer, C.
    de Angelis, A.
    de Palma, F.
    Digel, S.
    Di Bernardo, G.
    Do Couto e Silva, E.
    Drell, P.
    Drlica-Wagner, A.
    Dubois, R.
    Fabiani, D.
    Favuzzi, C.
    Fegan, S.
    Fortin, P.
    Fukazawa, Y.
    Funk, S.
    Fusco, P.
    Gaggero, D.
    Gargano, F.
    Gasparrini, D.
    Gehrels, N.
    Germani, S.
    Giglietto, N.
    Giommi, P.
    Giordano, F.
    Giroletti, M.
    Glanzman, T.
    Godfrey, G.
    Grasso, D.
    Grenier, I.
    Grondin, M.
    Grove, J.
    Guiriec, S.
    Gustafsson, M.
    Hadasch, D.
    Harding, A.
    Hayashida, M.
    Hays, E.
    Horan, D.
    Hughes, R.
    Johannesson, G.
    Johnson, A.
    Johnson, R.
    Johnson, W.
    Kamae, T.
    Katagiri, H.
    Kataoka, J.
    Kerr, M.
    Knödlseder, J.
    Kuss, M.
    Lande, J.
    Latronico, L.
    Lemoine-Goumard, M.
    Llena Garde, M.
    Longo, F.
    Loparco, F.
    Lott, B.
    Lovellette, M.
    Lubrano, P.
    Makeev, A.
    Mazziotta, M.
    McEnery, J.
    Mehault, J.
    Michelson, P.
    Minuti, M.
    Mitthumsiri, W.
    Mizuno, T.
    Moiseev, A.
    Monte, C.
    Monzani, M.
    Moretti, E.
    Morselli, A.
    Moskalenko, I.
    Murgia, S.
    Nakamori, T.
    Naumann-Godo, M.
    Nolan, P.
    Norris, J.
    Nuss, E.
    Ohsugi, T.
    Okumura, A.
    Omodei, N.
    Orlando, E.
    Ormes, J.
    Ozaki, M.
    Paneque, D.
    Panetta, J.
    Parent, D.
    Pelassa, V.
    Pepe, M.
    Pesce-Rollins, M.
    Petrosian, V.
    Pinchera, M.
    Piron, F.
    Porter, T.
    Profumo, S.
    Raino, S.
    Rando, R.
    Rapposelli, E.
    Razzano, M.
    Reimer, A.
    Reimer, O.
    Reposeur, T.
    Ripken, J.
    Ritz, S.
    Rochester, L.
    Romani, R.
    Roth, M.
    Sadrozinski, H.
    Saggini, N.
    Sanchez, D.
    Sander, A.
    Sgro, C.
    Siskind, E.
    Smith, P.
    Spandre, G.
    Spinelli, P.
    Stawarz, L.
    Stephens, T.
    Strickman, M.
    Strong, A.
    Suson, D.
    Tajima, H.
    Takahashi, H.
    Takahashi, T.
    Tanaka, T.
    Thayer, J.
    Thayer, J.
    Thompson, D.
    Tibaldo, L.
    Tibolla, Omar
    Torres, D.
    Tosti, G.
    Tramacere, A.
    Turri, M.
    Uchiyama, Y.
    Usher, T.
    Vandenbroucke, J.
    Vasileiou, V.
    Vilchez, N.
    Vitale, V.
    Waite, A.
    Wallace, E.
    Wang, P.
    Winer, B.
    Wood, K.
    Yang, Z.
    Ylinen, T.
    Ziegler, M.
    Date
    2010
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Ackermann, M. and Ajello, M. and Atwood, W. and Baldini, L. and Ballet, J. and Barbiellini, G. and Bastieri, D. et al. 2010. Fermi LAT observations of cosmic-ray electrons from 7 GeV to 1 TeV. Physical Review D. 82.
    Source Title
    Physical Review D
    Additional URLs
    http://adsabs.harvard.edu/abs/2010PhRvD..82i2004A
    ISSN
    1550-2368
    URI
    http://hdl.handle.net/20.500.11937/43511
    Collection
    • Curtin Research Publications
    Abstract

    We present the results of our analysis of cosmic-ray electrons using about 8×106 electron candidates detected in the first 12 months on-orbit by the Fermi Large Area Telescope. This work extends our previously published cosmic-ray electron spectrum down to 7 GeV, giving a spectral range of approximately 2.5 decades up to 1 TeV. We describe in detail the analysis and its validation using beam-test and on-orbit data. In addition, we describe the spectrum measured via a subset of events selected for the best energy resolution as a cross-check on the measurement using the full event sample. Our electron spectrum can be described with a power law ?E-3.08±0.05 with no prominent spectral features within systematic uncertainties. Within the limits of our uncertainties, we can accommodate a slight spectral hardening at around 100 GeV and a slight softening above 500 GeV.

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