Galactic diffuse gamma-ray flux at the energy about 175 TeV

Galactic diffuse gamma-ray flux at the energy about 175 TeV

We present an upper limit of galactic diffuse gamma-ray flux, measured with the GAMMA experiment at energy about 175 TeV. The results were obtained using selection of muon poor extensive air showers at mountain level (700 g/cm^2, Mt. Aragats, Armenia) for 5 GeV muon energy threshold. An upper limit...

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Veröffentlicht in:arXiv.org 2009-05
Hauptverfasser: Martirosov, Romen M, Ter-Antonyan, Samvel V, Erlykin, Anatoly D, Garyaka, Alexandr P, Nikolskaya, Natalya M, Gallant, Yves A, Jones, Lawrence W
Format: Artikel
Sprache:eng
Schlagworte:
Confidence intervals
Cosmic ray showers
Flux
Gamma rays
Muons
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Zusammenfassung:We present an upper limit of galactic diffuse gamma-ray flux, measured with the GAMMA experiment at energy about 175 TeV. The results were obtained using selection of muon poor extensive air showers at mountain level (700 g/cm^2, Mt. Aragats, Armenia) for 5 GeV muon energy threshold. An upper limit for the differential flux at energy E=175+/-25 TeV is equal to (5.8-7.0)x10^-12 [erg m^2 s sr]^-1 for 95% confidence level.
ISSN:2331-8422