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| Creator | Title | Description | Subject | Date | ||
|---|---|---|---|---|---|---|
| 1 |  | Sokolsky, Pierre | Comparison of air fluorescence and ionization measurements of E.M. shower depth profiles: test of a UHECR detector technique | Measurements are reported on the fluorescence of air as a function of depth in electromagnetic showers initiated by bunches of 28.5 GeV electrons. The light yield is compared with the expected and observed depth profiles of ionization in the showers. It validates the use of atmospheric fluorescence... | Air fluorescence; Electromagnetic shower; Ultra-high energy cosmic rays; Ionization | 2006-02 |
| 2 |  | Sokolsky, Pierre | Effect of clouds on apertures of space-based air fluorescence detectors | Space-based ultra-high-energy cosmic ray detectors observe fluorescence light from extensive air showers produced by these particles in the troposphere. Clouds can scatter and absorb this light and produce systematic errors in energy determination and spectrum normalization. We study the possibilit... | Fluorescence; Cloud detection; Extensive air showers | 2004-01 |
| 3 |  | Sokolsky, Pierre | Energy estimation of UHE cosmic rays using the atmospheric fluorescence technique | We use the CORSIKA air shower simulation program to review the method for assigning energies to ultra-high energy (UHE) cosmic rays viewed with the air fluorescence technique. This technique uses the atmosphere as a calorimeter, and we determine the corrections that must be made to the calorimetric ... | Fluorescence; Energy estimation; Ultra-high energy cosmic rays | 2000-08 |
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