2007•Bulletin of the Russian Academy of Sciences PhysicsRequires access
Measurements of the integrated muon intensity at large zenith angles
A. N. Dmitrieva, Р. П. Кокоулин, К. Г. Компаниец, Giampaolo Mannocchi, Anatoly A. Petrukhin, O. Saavedra, D. A. Timashkov, G. C. Trinchero, Д. В. Чернов, В. В. Шутенко, I. I. Yashin
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Abstract
Precision measurements of the zenith-angle distributions of muons in the range 61°–89° are performed using the DECOR coordinate detector. The total number of selected events is more than 20 million. The dependence of the integrated muon intensity on the zenith angle is determined for several threshold energies in the range from 1.7 to 7.2. GeV. The experimental results in these ranges of zenith angles and threshold energies are obtained for the first time. It is demonstrated that the dependence of the integrated muon intensity on the zenith angle is adequately described by a simple analytical relationship.