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

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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 approxima...

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Autor principal: Ackermann, M.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: American Physical Society 2010
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Biblioteca Central Dr. Luis F. Leloir (FCEN) de Universidad de Buenos Aires
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100 1 |a Ackermann, M. 
245 1 0 |a Fermi LAT observations of cosmic-ray electrons from 7 GeV to 1 TeV 
260 |b American Physical Society  |c 2010 
270 1 0 |m Ackermann, M.; Department of Physics, Kavli Institute for Particle Astrophysics and Cosmology, Stanford UniversityUnited States 
506 |2 openaire  |e Política editorial 
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520 3 |a 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. ©2010 The American Physical Society.  |l eng 
593 |a Department of Physics, Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, CA 94305, United States 
593 |a Santa Cruz Institute for Particle Physics, Department of Physics, University of California at Santa Cruz, Santa Cruz, CA 95064, United States 
593 |a Istituto Nazionale di Fisica Nucleare, Sezione di Pisa, I-56127 Pisa, Italy 
593 |a Laboratoire AIM, CEA-IRFU/CNRS, Université Paris Diderot, Service d'Astrophysique, CEA Saclay, 91191 Gif sur Yvette, France 
593 |a Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, I-34127 Trieste, Italy 
593 |a Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy 
593 |a Istituto Nazionale di Fisica Nucleare, Sezione di Padova, I-35131 Padova, Italy 
593 |a Dipartimento di Fisica G. Galilei, Università di Padova, I-35131 Padova, Italy 
593 |a Department of Physics, Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus, OH 43210, United States 
593 |a Istituto Nazionale di Fisica Nucleare, Sezione di Roma Tor Vergata, I-00133 Roma, Italy 
593 |a Dipartimento di Fisica, Università di Roma Tor Vergata, I-00133 Roma, Italy 
593 |a Istituto Nazionale di Fisica Nucleare, Sezione di Perugia, I-06123 Perugia, Italy 
593 |a Dipartimento di Fisica, Università Degli Studi di Perugia, I-06123 Perugia, Italy 
593 |a Centre d'Itude Spatiale des Rayonnements, CNRS/UPS, BP 44346, F-30128 Toulouse Cedex 4, France 
593 |a Dipartimento di Fisica M. Merlin, Dell'Università e Del Politecnico di Bari, I-70126 Bari, Italy 
593 |a Istituto Nazionale di Fisica Nucleare, Sezione di Bari, 70126 Bari, Italy 
593 |a Laboratoire Leprince-Ringuet, École Polytechnique, CNRS/IN2P3, Palaiseau, France 
593 |a Department of Physics, University of Washington, Seattle, WA 98195-1560, United States 
593 |a Institut de Ciencies de l'Espai (IEEC-CSIC), Campus UAB, 08193 Barcelona, Spain 
593 |a INAF-Istituto di Astrofisica Spaziale e Fisica Cosmica, I-20133 Milano, Italy 
593 |a Department of Physics, Royal Institute of Technology (KTH), AlbaNova, SE-106 91 Stockholm, Sweden 
593 |a Oskar Klein Centre for Cosmoparticle Physics, AlbaNova, SE-106 91 Stockholm, Sweden 
593 |a NASA Goddard Space Flight Center, Greenbelt, MD 20771, United States 
593 |a Center for Research and Exploration in Space Science and Technology, CRESST, NASA Goddard Space Flight Center, Greenbelt, MD 20771, United States 
593 |a Department of Physics, Center for Space Sciences and Technology, University of Maryland Baltimore County, Baltimore, MD 21250, United States 
593 |a Space Science Division, Naval Research Laboratory, Washington, DC 20375, United States 
593 |a George Mason University, Fairfax, VA 22030, United States 
593 |a National Research Council Research Associate, National Academy of Sciences, Washington, DC 20001, United States 
593 |a Instituto de Astronomía y Fisica Del Espacio, Parbellón IAFE, Cdad. Universitaria, Buenos Aires, Argentina 
593 |a Laboratoire de Physique Théorique et Astroparticules, Université Montpellier 2, CNRS/IN2P3, Montpellier, France 
593 |a Department of Physics, Stockholm University, AlbaNova, SE-106 91 Stockholm, Sweden 
593 |a Stellar Solutions,Inc., 250 Cambridge Avenue, Palo Alto, CA 94306, United States 
593 |a Dipartimento di Fisica, Università di Udine, Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, I-33100 Udine, Italy 
593 |a Department of Physical Sciences, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8526, Japan 
593 |a Agenzia Spaziale Italiana (ASI) Science Data Center, I-00044 Frascati (Roma), Italy 
593 |a INAF Istituto di Radioastronomia, 40129 Bologna, Italy 
593 |a CNRS/IN2P3, Centre d'Itudes Nucléaires Bordeaux Gradignan, UMR 5797, Gradignan, 33175, France 
593 |a Université de Bordeaux, Centre d'Itudes Nucléaires Bordeaux Gradignan, UMR 5797, Gradignan, 33175, France 
593 |a Center for Space Plasma and Aeronomic Research (CSPAR), University of Alabama in Huntsville, Huntsville, AL 35899, United States 
593 |a Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain 
593 |a Research Institute for Science and Engineering, Waseda University, 3-4-1, Okubo, Shinjuku, Tokyo, 169-8555, Japan 
593 |a Department of Physics, Department of Astronomy, University of Maryland, College Park, MD 20742, United States 
593 |a Department of Physics and Astronomy, University of Denver, Denver, CO 80208, United States 
593 |a Hiroshima Astrophysical Science Center, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8526, Japan 
593 |a Institute of Space and Astronautical Science, JAXA, 3-1-1 Yoshinodai, Sagamihara, Kanagawa 229-8510, Japan 
593 |a Max-Planck Institut für Extraterrestrische Physik, 85748 Garching, Germany 
593 |a Institut für Astro- und Teilchenphysik, Institut für Theoretische Physik, Leopold-Franzens-Universität Innsbruck, A-6020 Innsbruck, Austria 
593 |a NYCB Real-Time Computing, Inc., Lattingtown, NY 11560-1025, United States 
593 |a Astronomical Observatory, Jagiellonian University, 30-244 Kraków, Poland 
593 |a Wyle Laboratories, El Segundo, CA 90245-5023, United States 
593 |a Department of Chemistry and Physics, Purdue University Calumet, Hammond, IN 46323-2094, United States 
593 |a Institut für Theoretische Physik and Astrophysik, Universität Würzburg, D-97074 Würzburg, Germany 
593 |a Consorzio Interuniversitario per la Fisica Spaziale (CIFS), I-10133 Torino, Italy 
593 |a INTEGRAL Science Data Centre, CH-1290 Versoix, Switzerland 
593 |a School of Pure and Applied Natural Sciences, University of Kalmar, SE-391 82 Kalmar, Sweden 
773 0 |d American Physical Society, 2010  |g v. 82  |k n. 9  |p Phys Rev D Part Fields Gravit Cosmol  |x 15507998  |t Physical Review D - Particles, Fields, Gravitation and Cosmology 
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856 4 0 |u https://doi.org/10.1103/PhysRevD.82.092004  |y DOI 
856 4 0 |u https://hdl.handle.net/20.500.12110/paper_15507998_v82_n9_p_Ackermann  |y Handle 
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