Air fluorescence measurements in the spectral range 300-420Â nm using a 28.5Â GeV electron beam
Keywords: اشعه کیهانی انرژی فوق العاده بالا; 96.40.âz; 96.40.Pq; 98.70.Sa; 32.50.+d; 33.20.Lg; Air fluorescence; Fluorescence spectrum; Ultra-high energy cosmic rays;