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Simulation of Centauro events

1981; American Physical Society; Volume: 23; Issue: 3 Linguagem: Inglês

10.1103/physrevd.23.771

1538-4500

R. W. Ellsworth, J. A. Goodman, G. B. Yodh, T. K. Gaisser, T. Stanev,

Dark Matter and Cosmic Phenomena

Comparison between simulations and emulsion-chamber data on atmospheric interactions of 100-1000 TeV cosmic rays suggests that there could indeed exist an anomalous group of events with very little energy in secondary neutral pions. The group comprises two of the Centauro events from the Brazil-Japan experiment and three mini-Centauros, including one event from an independent experiment. Most events classified as mini-Centauros and three of five Centauros can be interpreted normally. Transverse momenta in the original Centauro event is likely to be about 1 GeV/c per secondary, rather than 1.7 GeV/c as originally claimed.