Energy spectra, altitude profiles, and charge ratios of atmospheric muons

S. Coutu, J. J. Beatty, M. A. DuVernois, E. Torbet

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

We present a new measurement of air shower muons made during atmospheric ascent of the High Energy Antimatter Telescope balloon experiment. The muon charge ratio (Formula presented) is presented as a function of atmospheric depth in the momentum interval 0.3–0.9 (Formula presented) The differential (Formula presented) momentum spectra are presented between 0.3 and (Formula presented) (Formula presented) at atmospheric depths between 13 and 960 (Formula presented) We compare our measurements with other recent data and with Monte Carlo calculations of the same type as those used in predicting atmospheric neutrino fluxes. We find that our measured (Formula presented) fluxes are smaller than the predictions by as much as 70% at shallow atmospheric depths, by (Formula presented) at the depth of shower maximum, and are in good agreement with the predictions at greater depths. We explore the consequences of this on the question of atmospheric neutrino production.

Original languageEnglish (US)
Number of pages1
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume62
Issue number3
DOIs
StatePublished - 2000

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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