Hybrid experiments with air-shower array and emulsion chamber at high mountains

S. P. Besshapov, K. V. Cherdintseva, A. P. Chubenko, N. M. Nesterova, N. M. Nikolskaya, V. P. Pavluchenko, S. B. Shaulov, R. A. Nam, V. V. Piskal, N. G. Vildanov, L. I. Vildanova, J. K. Janseitova, H. Aoki, K. Honda, N. Inoue, N. Kawasumi, N. Martinic, N. Ochi, N. Ohmori, A. OhsawaM. Tamada, R. Ticona

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


Characteristics of air-shower-triggered atmospheric families detected in the hybrid experiments together with emulsion chamber and AS-array at high mountains are compared with those of simulations. The analysis of families accompanied by air-showers with Ne ≥ 107 shows that the experimental family-energy distribution favors a proton-dominant chemical composition of primary cosmic-rays but the lateral distribution favors a heavy-dominant composition. Thus no simulations can describe the overall characteristics of the data of hybrid experiments.

Original languageEnglish
Pages (from-to)118-121
Number of pages4
JournalNuclear Physics B - Proceedings Supplements
Issue numberC
StatePublished - Dec 2009


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