Continuing analysis of underground muons from the direction of Cygnus X-3

K. Johns; M. L. Marshak; E. A. Peterson; K. Ruddick; M. Shupe; D. S. Ayres; T. H. Fields; E. N. May; L. E. Price

doi:10.1016/0920-5632(90)90425-T

Continuing analysis of underground muons from the direction of Cygnus X-3

K. Johns, M. L. Marshak, E. A. Peterson, K. Ruddick, M. Shupe, D. S. Ayres, T. H. Fields, E. N. May, L. E. Price

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

Abstract

We report on 3.2 years live time of underground muon observations taken between 1981 and 1989 using the Soudan 1 proportional tube detector, located at a depth of 1,800 m water equivalent. The post-1984 observations are consistent with earlier published data on an excess signal apparently correlated with the Cygnus X-3 orbital period. The signal-to-background ratio in the entire data sample is 1 to 3 percent, depending on phase width. These data are not contradicted by other measurements. However, a larger detector will be required to establish a signal, if one exists, at a high level of certainty.

Original language	English (US)
Pages (from-to)	220-225
Number of pages	6
Journal	Nuclear Physics B (Proceedings Supplements)
Volume	14
Issue number	1
DOIs	https://doi.org/10.1016/0920-5632(90)90425-T
State	Published - Mar 1990

Bibliographical note

Funding Information:
ACKNOWLEDGEMENTS This work has been supported by the U. S. Department of Energy and the State and University of Minnesota. We acknowledge the cooperation of the State of Minnesota Department of Natural Resources, particularly the crew at Tower-Soudan State Park. This experiment would not have been possible without the enthusiastic efforts of Donald Lo-

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title = "Continuing analysis of underground muons from the direction of Cygnus X-3",

abstract = "We report on 3.2 years live time of underground muon observations taken between 1981 and 1989 using the Soudan 1 proportional tube detector, located at a depth of 1,800 m water equivalent. The post-1984 observations are consistent with earlier published data on an excess signal apparently correlated with the Cygnus X-3 orbital period. The signal-to-background ratio in the entire data sample is 1 to 3 percent, depending on phase width. These data are not contradicted by other measurements. However, a larger detector will be required to establish a signal, if one exists, at a high level of certainty.",

author = "K. Johns and Marshak, {M. L.} and Peterson, {E. A.} and K. Ruddick and M. Shupe and Ayres, {D. S.} and Fields, {T. H.} and May, {E. N.} and Price, {L. E.}",

note = "Funding Information: ACKNOWLEDGEMENTS This work has been supported by the U. S. Department of Energy and the State and University of Minnesota. We acknowledge the cooperation of the State of Minnesota Department of Natural Resources, particularly the crew at Tower-Soudan State Park. This experiment would not have been possible without the enthusiastic efforts of Donald Lo-",

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AU - Johns, K.

AU - Marshak, M. L.

AU - Peterson, E. A.

AU - Ruddick, K.

AU - Shupe, M.

AU - Ayres, D. S.

AU - Fields, T. H.

AU - May, E. N.

AU - Price, L. E.

N1 - Funding Information: ACKNOWLEDGEMENTS This work has been supported by the U. S. Department of Energy and the State and University of Minnesota. We acknowledge the cooperation of the State of Minnesota Department of Natural Resources, particularly the crew at Tower-Soudan State Park. This experiment would not have been possible without the enthusiastic efforts of Donald Lo-

PY - 1990/3

Y1 - 1990/3

N2 - We report on 3.2 years live time of underground muon observations taken between 1981 and 1989 using the Soudan 1 proportional tube detector, located at a depth of 1,800 m water equivalent. The post-1984 observations are consistent with earlier published data on an excess signal apparently correlated with the Cygnus X-3 orbital period. The signal-to-background ratio in the entire data sample is 1 to 3 percent, depending on phase width. These data are not contradicted by other measurements. However, a larger detector will be required to establish a signal, if one exists, at a high level of certainty.

AB - We report on 3.2 years live time of underground muon observations taken between 1981 and 1989 using the Soudan 1 proportional tube detector, located at a depth of 1,800 m water equivalent. The post-1984 observations are consistent with earlier published data on an excess signal apparently correlated with the Cygnus X-3 orbital period. The signal-to-background ratio in the entire data sample is 1 to 3 percent, depending on phase width. These data are not contradicted by other measurements. However, a larger detector will be required to establish a signal, if one exists, at a high level of certainty.

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Continuing analysis of underground muons from the direction of Cygnus X-3

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