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Type: Journal article
Title: Energy spectrum of cosmic-ray electrons at TeV energies
Author: Aharonian, F.
Akhperjanian, A.
Barres de Almaida, U.
Bazer-Bachi, A.
Becherini, Y.
Behera, B.
Benbow, W.
Bernlohr, K.
Boisson, C.
Bochow, A.
Borrel, V.
Braun, I.
Brion, E.
Brucker, J.
Brun, P.
Buhler, R.
Bulik, T.
Busching, I.
Boutelier, T.
Carrigan, S.
et al.
Citation: Physical Review Letters, 2008; 101(26):261104-1-261104-5
Publisher: American Physical Soc
Issue Date: 2008
ISSN: 0031-9007
Statement of
F. Aharonian...G. al. (H.E.S.S. Collaboration)
Abstract: The very large collection area of ground-based γ-ray telescopes gives them a substantial advantage over balloon or satellite based instruments in the detection of very-high-energy (>600  GeV) cosmic-ray electrons. Here we present the electron spectrum derived from data taken with the High Energy Stereoscopic System (H.E.S.S.) of imaging atmospheric Cherenkov telescopes. In this measurement, the first of this type, we are able to extend the measurement of the electron spectrum beyond the range accessible to direct measurements. We find evidence for a substantial steepening in the energy spectrum above 600 GeV compared to lower energies.
Keywords: H.E.S.S. Collaboration
Rights: ©2008 American Physical Society
DOI: 10.1103/PhysRevLett.101.261104
Appears in Collections:Aurora harvest 5
Chemistry and Physics publications

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