The status and results from the HiRes atmospheric fluorescence experiment are discussed. In particular, results on composition from the HiRes Prototype and CASA/MIA hybrid experiment and preliminary results from the HiRes monocular data on the highest energy cosmic rays are presented. Evidence for the cosmic ray spectrum continuing past the Greisen-Zatsepin-Kuzmin cutoff is evaluated and the impact of stereo data on this question is discussed
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© 2001 American Institute of Physics.
2001
American Institute of Physics
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