Publications (10)
Evidence for a Galactic gamma ray halo
D. D. Dixon, D. H. Hartmann, E. D. Kolaczyk +5
We present quantitative statistical evidence for a -ray emission halo surrounding the Galaxy. Maps of the emission are derived. EGRET data were analyzed in a wavelet-based non-…
Observation of EGRET Gamma-Ray Sources by an Extensive Air Shower Experiment
M. Khakian Ghomi, M. Bahmanabadi, J. Samimi
Ultra-high-energy (E100 Tev) Extensive Air Showers (EASs) have been monitored for a period of five years (1997 - 2003), using a small array of scintillator detectors in Tehran,…
A Study on anisotropy of cosmic ray distribution with a small array of water-cherenkov detectors
F. Sheidaei, M. Bahmanabadi, A. Keivani +3
The study of the anisotropy of the arrival directions is an essential tool to investigate the origin and propagation of cosmic rays primaries. A simple way of recording many cosmic…
Effective Compton Cross Section in Non-Degenerate High Temperature Media
F. Shekh-Momeni, J. Samimi
The effective compton cross section in a non-degenerate plasma() is investigated in a wide range of temperatures. The results show a…
Evidence for GeV emission from the Galactic Center Fountain
D. H. Hartmann, D. D. Dixon, E. D. Kolaczyk +1
The region near the Galactic center may have experienced recurrent episodes of injection of energy in excess of 10 ergs due to repeated starbursts involving more than…
New Simple Method for Analysis of Extensive Air Showers
H. Hedayati Kh., A. Anvari, M. Bahmanabadi +2
Cosmic rays have valuable information about universe surroundings us. Finding energy, mass and arrival direction of primary cosmic ray particle are the most important aspects of ex…