Ultrahigh energy cosmic ray composition from surface air shower and underground muon measurements at Soudan 2
Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields1995Vol. 52(5), pp. 2760–2765
Citations Over TimeTop 13% of 1995 papers
N.P. Longley, C. Bode, P. Border, H. Courant, D. M. DeMuth, Richard Gray, K. A. Johns, S. M. S. Kasahara, M. Löwe, Marvin L. Marshak, William H. Miller, L. Mualem, E. A. Peterson, Donald M. Roback, K. Ruddick, D. Schmid, M. H. Schub, M. A. Shupe, V. V. Vassiliev, G. Villaume, S. Werkema, D. S. Ayres, T. Fields, H. Gallagher, M. C. Goodman, F. Lopez, E.N. May, L. E. Price, R. Seidlein, J. L. Thron, H.J. Trost, Jack L. Uretsky, W.W.M. Allison, G. Barr, C.B. Brooks, J.H. Cobb, G.L. Giller, A. Stassinakis, M. Thomson, N. West, U.M. Wielgosz, G.J. Alner, D. J. A. Cockerill, R. Cotton, C. Garcı́a, P. J. Litchfield, Gillian Pearce, B. Ewen, T. Kafka, J. Kochocki, W. Leeson, W. A. Mann, R. H. Milburn, A. Napier, W. P. Oliver, B. Saitta, J. Schneps, N. Sundaralingam, W. L. Barrett
Abstract
The Soudan 2 experiment has performed time-coincident cosmic ray air shower and underground muon measurements. Comparisons to Monte Carlo predictions show that such measurements can make statistically significant tests of the primary composition in the knee region of the cosmic ray spectrum. The results do not support any significant increase in the average primary mass with energy in the range of \ensuremath{\sim}${10}^{4}$ TeV per nucleus. Some systematic uncertainties remain, however, particularly in the Monte Carlo modeling of the cosmic ray shower.
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