Studies of cosmic ray electrons with the Fermi-LAT

Latronico, L. (2010) Studies of cosmic ray electrons with the Fermi-LAT. Il nuovo cimento C, 33 (5). pp. 11-18. ISSN 1826-9885

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Abstract

The Fermi Large Area Telescope measures the cosmic-ray electron spectrum from 7GeV up to 1TeV, covering a broad range of approximately 2.5 decades with unprecedented accuracy. This result is based on an analysis of about 8 million electron candidates detected in the first 12 months of operations of the satellite. It extends our previously published measurement down to 7GeV, and confirms a spectrum harder than expected and with no prominent spectral features. In this paper we describe key points of the analysis and of its validations, as well as a cross-check measurement of the spectrum via a subset of events selected for the best energy resolution. Possible interpretations of the result and prospects for future Fermi measurements are briefly discussed at the end.

Item Type: Article
Uncontrolled Keywords: Neutrino, muon, pion, and other elementary particles; cosmic rays ; Composition, energy spectra and interactions ; Dark Matter (stellar, interstellar, galactic, and cosmological)
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 02 Apr 2020 14:35
Last Modified: 02 Apr 2020 14:35
URI: http://eprints.bice.rm.cnr.it/id/eprint/16980

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