| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1829057 | Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment | 2008 | 5 Pages |
Abstract
The fluorescence yield in air is reported for wavelength and pressure ranges of interest to ultra-high energy cosmic ray detectors. A 28.5 GeV electron beam was used to excite the fluorescence. Central to the approach was the system calibration, using Rayleigh scattering of a nitrogen laser beam. In atmospheric pressure dry air, at 304 K, the yield is 20.8±1.6 photons per MeV.
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Authors
R. Abbasi, T. Abu-Zayyad, K. Belov, J. Belz, D.R. Bergman, Z. Cao, F.-Y. Chang, C.-C. Chen, C.-W. Chen, P. Chen, M. Dalton, Y. Fedorova, C. Field, C. Hast, M.A. Huang, P. Hüntemeyer, W.-Y.P. Hwang, R. Iverson, A. Zech,