Wei-Po Lee

Evidence for Changing of Cosmic Ray Composition between 10**17-eV and 10**18-eV from Multicomponent Measurements

The average mass composition of cosmic rays with primary energies between

The prototype high-resolution Fly's Eye cosmic ray detector

10^{17}

Steerable laser system for UV atmospheric monitoring at the High-Resolution Fly's Eye

eV and

Segmented ionization chambers for high intensity beam measurements

10^{18}

Measurement of the circulating muon flux in the Fermilab Debuncher ring

eV has been studied using a hybrid detector consisting of the High Resolution Flys Eye (HiRes) prototype and the MIA muon array. Measurements have been made of the change in the depth of shower maximum,

Measurement of elastic. nu. /sub. mu. / and nu-bar/sub. mu. / scattering on protons

X_{max}

Status of the High Resolution Fly's Eye Detector: Operation and Installation

, and in the change in the muon density at a fixed core location,

Stereo Reconstruction of EAS with the Hires Detector

\rho_\mu(600m)

Atmospheric Monitoring at the High Resolution Fly's Eye: Data from the HiRes2 Flasher Array

, as a function of energy. The composition has also been evaluated in terms of the combination of

Testing the High Resolution Fly's Eye Using Laserscope

X_{max}