Physics – Nuclear Physics
Scientific paper
Nov 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986izssr..50.2153d&link_type=abstract
(Vsesoiuznaia Konferentsiia po Kosmicheskim Lucham, Tbilisi, Georgian SSR, Apr. 1986) Akademiia Nauk SSSR, Izvestiia, Seriia Fiz
Physics
Nuclear Physics
Cosmic Rays, Mesons, Nuclei (Nuclear Physics), Particle Interactions, Particle Production, Energy Spectra, Pions, Probability Theory, Secondary Cosmic Rays, Test Chambers
Scientific paper
X-ray emulsion chamber data obtained at an altitude of 30 km are analyzed. It is shown that there is a significant probability of eta(0)-meson generation in the fragmentation region in hadron-nucleus interactions at energies above 50 TeV. The energy spectrum of these eta-mesons is harder than that of pions, and the mean transverse momentum of the eta-mesons is almost twice that of pions. The ratio of eta-mesons to that of the observed pions was 0.7 + or 0.2.
Dobrotin A. N.
Ivanenko V. M.
Kvochkina T. N.
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