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Search for Correlations between HiRes Stereo Events and Active Galactic Nuclei
R. U. Abbasi, T. Abu-Zayyad, M. Allen +61
We have searched for correlations between the pointing directions of ultrahigh energy cosmic rays observed by the High Resolution Fly's Eye experiment and Active Galactic Nuclei (A…
Air fluorescence measurements in the spectral range 300-420 nm using a 28.5 GeV electron beam
R. Abbasi, T. Abu-Zayyad, K. Belov +34
Measurements are reported of the yield and spectrum of fluorescence, excited by a 28.5 GeV electron beam, in air at a range of pressures of interest to ultra-high energy cosmic ray…
Highest Energy Cosmic Rays and results from the HiRes Experiment
P. Sokolsky, G. B. Thomson
The status of the field of ultrahigh energy cosmic rays is summarized, from the point of view of the latest results of the High Resolution Fly's Eye (HiRes) Experiment. HiRes resul…
Can Experiments Studying Ultrahigh Energy Cosmic Rays Measure the Evolution of the Sources?
D. R. Bergman, G. B. Thomson, T. Abu-Zayyad +6
Interactions between cosmic ray protons and the photons of the cosmic microwave background radiation, as well as the expansion of the universe, cause cosmic rays to lose energy in…
Search for Point Sources of Ultra-High Energy Cosmic Rays Above 40 EeV Using a Maximum Likelihood Ratio Test
s Eye Collaboration, G. R. Farrar
We present the results of a search for cosmic ray point sources at energies above 40 EeV in the combined data sets recorded by the AGASA and HiRes stereo experiments. The analysis…