Comparison of air fluorescence and ionization measurements of em shower depth profiles: Test of a UHECR detector technique

J. Belz, Z. Cao, P. Huentemeyer, C. C.H. Jui, K. Martens, J. Matthews, M. Maestas, J. Smith, P. Sokolsky, R. W. Springer, J. Thomas, S. Thomas, P. Chen, C. Field*, C. Hast, R. Iverson, J. S.T. Ng, A. Odian, K. Reil, H. VinckeD. Walz, A. Goldammer, D. Guest, G. Thomson, F. Y. Chang, C. C. Chen, C. W. Chen, M. A. Huang, W. Y.P. Hwang, Guey-Lin Lin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

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 profiles in measuring ultra high energy cosmic rays.

Original languageEnglish
Pages (from-to)57-63
Number of pages7
JournalAstroparticle Physics
Volume25
Issue number1
DOIs
StatePublished - 1 Feb 2006

Keywords

  • Air fluorescence
  • Electromagnetic shower
  • Ultra-high energy cosmic rays

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