Cosmic-ray electron-positron spectrum from 7 GeV to 2 TeV with the Fermi Large Area Telescope

By S. Abdollahi, M. Ackermann, M. Ajello, W. Atwood, L. Baldini, G. Barbiellini, D. Bastieri, R. Bellazzini, E. Bloom, R. Bonino and 89 more. 2017

167 citations recorded by the source corpus.

We present a measurement of the cosmic-ray electron+positron spectrum between 7 GeV and 2 TeV performed with almost seven years of data collected with the Fermi Large Area Telescope. We find that the spectrum is well fit by a broken power law with a break energy at about 50 GeV. Above 50 GeV, the spectrum is well described by a single power law with a spectral index of 3.07 ± 0.02 (stat+syst) ± 0.04 (energy measurement). An exponential cutoff lower than 1.8 TeV is excluded at 95% CL. PACS numbers: 98.70.Sa, 96.50.sb, 95.85.Ry, 95.55.Vj

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/73608a3266d80a49cd84c919a30617c3c5f0c6e6

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Citations in the corpus

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