Techniques of the FLASH thin target experiment

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, B. F. Jones, C. C.H. JuiGuey-Lin Lin, E. C. Loh, N. Manago, K. Martens, J. N. Matthews, M. Maestas, J. S.T. Ng, A. Odian, K. Reil, D. Rodriguez, J. Smith, P. Sokolsky, R. W. Springer, J. Thomas, S. Thomas, G. Thomson, D. Walz, A. Zech

*Corresponding author for this work

Research output: Contribution to journalArticle

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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.

Original languageEnglish
Pages (from-to)32-36
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume597
Issue number1
DOIs
StatePublished - 21 Nov 2008

Keywords

  • Air fluorescence
  • Fluorescence spectrum
  • Ultra-high energy cosmic rays

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    Abbasi, R., Abu-Zayyad, T., Belov, K., Belz, J., Bergman, D. R., Cao, Z., Chang, F. Y., Chen, C. C., Chen, C. W., Chen, P., Dalton, M., Fedorova, Y., Field, C., Hast, C., Huang, M. A., Hüntemeyer, P., Hwang, W. Y. P., Iverson, R., Jones, B. F., ... Zech, A. (2008). Techniques of the FLASH thin target experiment. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 597(1), 32-36. https://doi.org/10.1016/j.nima.2008.08.054