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Cosmic ray studies with the Fermi Gamma-ray Space Telescope Large Area Telescope

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Dec 2012Embargo end date: 01 Jan 2012 Italy, United States Publisher:Elsevier BVJournal:Astroparticle Physics, volume 39-40, pages 22-32 (issn: 0927-6505,

Authors: D. J. Thompson; BALDINI, LUCA; Y. Uchiyama;

doi: 10.1016/j.astropartphys.2011.10.009 , 10.48550/arxiv.1201.0988

arXiv: http://arxiv.org/abs/1201.0988

handle: 11568/158767

Cosmic ray studies with the Fermi Gamma-ray Space Telescope Large Area Telescope

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Abstract

The Large Area Telescope (LAT) on the Fermi Gamma-ray Space Telescope provides both direct and indirect measurements of Galactic cosmic rays (CR). The LAT high-statistics observations of the 7 GeV - 1 TeV electron plus positron spectrum and limits on spatial anisotropy constrain models for this cosmic-ray component. On a Galactic scale, the LAT observations indicate that cosmic- ray sources may be more plentiful in the outer Galaxy than expected or that the scale height of the cosmic-ray diffusive halo is larger than conventional models. Production of cosmic rays in supernova remnants (SNR) is supported by the LAT gamma-ray studies of several of these, both young SNR and those interacting with molecular clouds.

20 pages, 12 figures, to be published in Astroparticle Physics

Countries

Italy, United States

Related Organizations

University of North Texas
United States
University of Pisa
Italy
Goddard Space Flight Center
United States
National Institute for Nuclear Physics
Italy
SLAC National Accelerator Laboratory
United States

Keywords

High Energy Astrophysical Phenomena (astro-ph.HE), Astronomy, Cosmic rays; Gamma rays; Observations, FOS: Physical sciences, Astrophysics - High Energy Astrophysical Phenomena, Astro

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	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%