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Coincidences between extensive air showers and the Soudan 1 underground muon detector

Coincidences between extensive air showers and the Soudan 1 underground muon detector We have operated the Soudan 1 underground muon detector in coincidence with a 36- m 2 detector situated at the Earth's surface. Such a combination of detectors can yield information on the composition of the primary cosmic rays at energies above Å 3 × 10 15 eV, where there is an abrupt change in the slope of the energy spectrum. The present experiment was meant to test the feasibility of operating such a system, and to obtain a first sample of data before the complete installation of the much larger Soudan 2 detector. These initial data seem to favor a light composition in the energy range 10 15 - 10 16 eV, but there are significant systematic uncertainties. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review D American Physical Society (APS)

Coincidences between extensive air showers and the Soudan 1 underground muon detector

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Publisher
American Physical Society (APS)
Copyright
Copyright © 1992 The American Physical Society
ISSN
1089-4918
DOI
10.1103/PhysRevD.45.1459
Publisher site
See Article on Publisher Site

Abstract

We have operated the Soudan 1 underground muon detector in coincidence with a 36- m 2 detector situated at the Earth's surface. Such a combination of detectors can yield information on the composition of the primary cosmic rays at energies above Å 3 × 10 15 eV, where there is an abrupt change in the slope of the energy spectrum. The present experiment was meant to test the feasibility of operating such a system, and to obtain a first sample of data before the complete installation of the much larger Soudan 2 detector. These initial data seem to favor a light composition in the energy range 10 15 - 10 16 eV, but there are significant systematic uncertainties.

Journal

Physical Review D – American Physical Society (APS)

Published: Mar 1, 1992

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