Observation of a shadow of the Moon in the underground muon flux in the Soudan 2 detector
Journal Article
·
· Physical Review. D, Particles Fields
- Department of Physics, University of Oxford, Oxford OX1 3RH, (United Kingdom)
- University of Minnesota, Minneapolis, Minnesota 55455 (United States)
- Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire OX11 0QX, (United Kingdom)
- Argonne National Laboratory, Argonne, Illinois 60439 (United States)
- Western Washington University, Bellingham, Washington 98225 (United States)
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.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- OSTI ID:
- 20216157
- Journal Information:
- Physical Review. D, Particles Fields, Vol. 61, Issue 9; Other Information: PBD: 1 May 2000; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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