Air fluorescence measurements in the spectral range 300-420 nm using a 28.5 GeV electron beam
arXiv:0708.3116 · doi:10.1016/j.astropartphys.2007.11.010
Abstract
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 detectors. The wavelength range was 300 - 420 nm. System calibration has been performed 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.
arXiv comment29 pages, 10 figures. Submitted to Astroparticle Physics
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