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    Measurement of the Cosmic Ray e+ plus e- Spectrum from 20GeV to 1TeV with the Fermi Large Area Telescope

    Access Status
    Fulltext not available
    Authors
    Abdo, A.
    Ackermann, M.
    Ajello, M.
    Atwood, W.
    Axelsson, M.
    Baldini, L.
    Ballet, J.
    Barbiellini, G.
    Bastieri, D.
    Battelino, M.
    Baughman, B.
    Bechtol, K.
    Bellazzini, R.
    Berenji, B.
    Blandford, R.
    Bloom, E.
    Bogaert, G.
    Bonamente, E.
    Borgland, A.
    Bregeon, J.
    Brez, A.
    Brigida, M.
    Bruel, P.
    Burnett, T.
    Caliandro, G.
    Cameron, R.
    Caraveo, P.
    Carlson, P.
    Casandjian, J.
    Cecchi, C.
    Charles, E.
    Chekhtman, A.
    Cheung, C.
    Chiang, J.
    Ciprini, S.
    Claus, R.
    Cohen-Tanugi, J.
    Cominsky, L.
    Conrad, J.
    Cutini, S.
    Dermer, C.
    de Angelis, A.
    de Palma, F.
    Digel, S.
    Di Bernardo, G.
    Do Couto e Silva, E.
    Drell, P.
    Dubois, R.
    Dumora, D.
    Edmonds, Y.
    Farnier, C.
    Favuzzi, C.
    Focke, W.
    Frailis, M.
    Fukazawa, Y.
    Funk, S.
    Fusco, P.
    Gaggero, D.
    Gargano, F.
    Gasparrini, D.
    Gehrels, N.
    Germani, S.
    Giebels, B.
    Giglietto, N.
    Giordano, F.
    Glanzman, T.
    Godfrey, G.
    Grasso, D.
    Grenier, I.
    Grondin, M.
    Grove, J.
    Guillemot, L.
    Guiriec, S.
    Hanabata, Y.
    Harding, A.
    Hartman, R.
    Hayashida, M.
    Hays, E.
    Hughes, R.
    Johannesson, G.
    Johnson, A.
    Johnson, R.
    Johnson, W.
    Kamae, T.
    Katagiri, H.
    Kataoka, J.
    Kawai, N.
    Kerr, M.
    Knödlseder, J.
    Kocevski, D.
    Kuehn, F.
    Kuss, M.
    Lande, J.
    Latronico, L.
    Lemoine-Goumard, M.
    Longo, F.
    Loparco, F.
    Lott, B.
    Lovellette, M.
    Lubrano, P.
    Madejski, G.
    Makeev, A.
    Massai, M.
    Mazziotta, M.
    McConville, W.
    McEnery, J.
    Meurer, C.
    Michelson, P.
    Mitthumsiri, W.
    Mizuno, T.
    Moiseev, A.
    Monte, C.
    Monzani, M.
    Moretti, E.
    Morselli, A.
    Moskalenko, I.
    Murgia, S.
    Nolan, P.
    Norris, J.
    Nuss, E.
    Ohsugi, T.
    Omodei, N.
    Orlando, E.
    Ormes, J.
    Ozaki, M.
    Paneque, D.
    Panetta, J.
    Parent, D.
    Pelassa, V.
    Pepe, M.
    Pesce-Rollins, M.
    Piron, F.
    Pohl, M.
    Porter, T.
    Profumo, S.
    Raino, S.
    Rando, R.
    Razzano, M.
    Reimer, A.
    Reimer, O.
    Reposeur, T.
    Ritz, S.
    Rochester, L.
    Rodriguez, A.
    Romani, R.
    Roth, M.
    Ryde, F.
    Sadrozinski, H.
    Sanchez, D.
    Sander, A.
    Saz Parkinson, P.
    Scargle, J.
    Schalk, T.
    Sellerholm, A.
    Sgro, C.
    Smith, D.
    Smith, P.
    Spandre, G.
    Spinelli, P.
    Starck, J.
    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.
    Uchiyama, Y.
    Usher, T.
    Van Etten, A.
    Vasileiou, V.
    Vilchez, N.
    Vitale, V.
    Waite, A.
    Wallace, E.
    Wang, P.
    Winer, B.
    Wood, K.
    Ylinen, T.
    Ziegler, M.
    Date
    2009
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Abdo, A. and Ackermann, M. and Ajello, M. and Atwood, W. and Axelsson, M. and Baldini, L. and Ballet, J. et al. 2009. Measurement of the Cosmic Ray e+ plus e- Spectrum from 20GeV to 1TeV with the Fermi Large Area Telescope. Physical Review Letters. 102 (18).
    Source Title
    Physical Review Letters
    DOI
    10.1103/PhysRevLett.102.181101
    ISSN
    0031-9007
    URI
    http://hdl.handle.net/20.500.11937/18851
    Collection
    • Curtin Research Publications
    Abstract

    Designed as a high-sensitivity gamma-ray observatory, the Fermi Large Area Telescope is also an electron detector with a large acceptance exceeding 2m^2 sr at 300 GeV. Building on the gamma-ray analysis, we have developed an efficient electron detection strategy which provides sufficient background rejection for measurement of the steeply-falling electron spectrum up to 1 TeV. Our high precision data show that the electron spectrum falls with energy as E^(-3.0) and does not exhibit prominent spectral features. Interpretations in terms of a conventional diffusive model as well as a potential local extra component are briefly discussed.

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