The Local Interstellar Spectrum of Cosmic Ray Electrons
Abstract
The local interstellar spectrum of cosmic ray electrons and positrons from 0.8 GeV to 2 TeV is derived by demodulating the measured spectra by balloon and satellite experiments. It can be well represented by a single power law in kinetic energy with spectral index 3.4 over the whole energy range, pushing for the idea that it is not representative of the galactic average. Instead, the spectrum has to reflect the nature of our local bubble, being mostly sensitive to the last nearby supernova.
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