Study of cosmic ray composition in the knee region using multiple muon events in the Soudan 2 detector
Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields1997Vol. 55(9), pp. 5282–5294
Citations Over TimeTop 10% of 1997 papers
S. M. S. Kasahara, W.W.M. Allison, G.J. Alner, D. S. Ayres, W. L. Barrett, C. Bode, P. Border, C.B. Brooks, J.H. Cobb, D. J. A. Cockerill, R. Cotton, H. Courant, D. M. DeMuth, B. Ewen, T. Fields, H. Gallagher, M. C. Goodman, R. Gran, Richard Gray, K. A. Johns, T. Kafka, W. Leeson, P. J. Litchfield, N.P. Longley, M. Löwe, W. A. Mann, Marvin L. Marshak, E. N. May, R. H. Milburn, William H. Miller, L. Mualem, A. Napier, W. P. Oliver, G.F. Pearce, E. A. Peterson, L. E. Price, Donald M. Roback, K. Ruddick, D. Schmid, J. Schneps, M. H. Schub, R. Seidlein, M. A. Shupe, N. Sundaralingam, J. Thron, H.J. Trost, Jack L. Uretsky, V. V. Vassiliev, G. Villaume, S. P. Wakely, D. Wall, S. Werkema, N. West
Abstract
Deep underground muon events recorded by the Soudan 2 detector, located at a depth of 2100 m of water equivalent, have been used to infer the nuclear composition of cosmic rays in the ``knee'' region of the cosmic ray energy spectrum. The observed muon multiplicity distribution favors a composition model with a substantial proton content in the energy region $8\ifmmode\times\else\texttimes\fi{}{10}^{5}$--$1.3\ifmmode\times\else\texttimes\fi{}{10}^{7}$ GeV/nucleus.
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