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Cobb, J. H.; Marshak, M. L.; Allison, W. W. M.; Alner, G. J.; Ayres, D. S.; Barrett, W. L.; Bode, C.; Border, P. M.; Brooks, C. B.; Cotton, R. J.; Courant, H.; Demuth, D. M.; Fields, T. H.; Gallagher, H. R.; Goodman, M. C.; Gran, R.; Joffe-Minor, T.; Kafka, T.; Kasahara, S. M. S.; Leeson, W.; Litchfield, P. J.; Longley, N. P.; Mann, W. A.; Milburn, R. H.; Miller, W. H.; Moon, C.; Mualem, L.; Napier, A.; Oliver, W. P.; Pearce, G. F.; Peterson, E. A.; Petyt, D. A.; Price, L. E.; Ruddick, K.; Sanchez, M.; Sankey, P.; Schneps, J.; Schub, M. H.; Seidlein, R.; Stassinakis, A.; Thron, J. L.; Vassiliev, V.; Villaume, G.; Wakely, S. P.; West, N.; Wall, D.
Physical Review D, 05/2000, Letnik: 61, Številka: 9Journal Article
A shadow of the Moon, with a statistical significance of 5{sigma}, has been observed in the underground muon flux at a depth of 2090 mwe using the Soudan 2 detector. The angular resolution of the detector is well described by a Gaussian with a sigma {<=}0.3 degree sign . The position of the shadow confirms that the alignment of the detector is known to better than 0.15 degree sign and has remained stable during ten years of data taking. (c) 2000 The American Physical Society.
