Radiographic measurements of the internal structure of Mt. West Iwate with near-horizontal cosmic-ray muons and future developments

H. K.M. Tanaka; K. Nagamine; S. N. Nakamura; K. Ishida

doi:10.1016/j.nima.2005.08.099

Radiographic measurements of the internal structure of Mt. West Iwate with near-horizontal cosmic-ray muons and future developments

H. K.M. Tanaka, K. Nagamine, S. N. Nakamura, K. Ishida

SCI - Physics

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

66 Citations (Scopus)

Abstract

Cosmic-ray muon radiography has been studied as a potential method for the measurement of the internal structure of the active volcano Mt. West Iwate. We improved a cosmic-ray muon detection system built with a set of two position-sensitive segmented detectors by the multiplicity analysis of a soft-component background after passing through an Fe plate between the detectors. We measured the density of the region located 160 m under the peak of Mt. Kurokura and compared to the gravimetric data. Cosmic-ray muons as a radiographic probe provide useful information that complements the gravimetric data. We analyzed the data to find time-dependent changes in the cosmic-ray muon intensity after passing through Mt. West Iwate, and a lower limit of 0.82% was found in Mt. Kurokura at the 90% CL. We discuss the possibility of cosmic-ray muon tomography with two or more detection systems.

Original language	English
Pages (from-to)	164-172
Number of pages	9
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	555
Issue number	1-2
DOIs	https://doi.org/10.1016/j.nima.2005.08.099
Publication status	Published - 2005 Dec 15

Keywords

Cosmic ray
Muon
Radiography
Tomography
Volcano

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/j.nima.2005.08.099

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Tanaka, H. K. M., Nagamine, K., Nakamura, S. N., & Ishida, K. (2005). Radiographic measurements of the internal structure of Mt. West Iwate with near-horizontal cosmic-ray muons and future developments. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 555(1-2), 164-172. https://doi.org/10.1016/j.nima.2005.08.099

Radiographic measurements of the internal structure of Mt. West Iwate with near-horizontal cosmic-ray muons and future developments. / Tanaka, H. K.M.; Nagamine, K.; Nakamura, S. N. et al.

In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 555, No. 1-2, 15.12.2005, p. 164-172.

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

Tanaka, HKM, Nagamine, K, Nakamura, SN & Ishida, K 2005, 'Radiographic measurements of the internal structure of Mt. West Iwate with near-horizontal cosmic-ray muons and future developments', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 555, no. 1-2, pp. 164-172. https://doi.org/10.1016/j.nima.2005.08.099

Tanaka HKM, Nagamine K, Nakamura SN, Ishida K. Radiographic measurements of the internal structure of Mt. West Iwate with near-horizontal cosmic-ray muons and future developments. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2005 Dec 15;555(1-2):164-172. doi: 10.1016/j.nima.2005.08.099

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abstract = "Cosmic-ray muon radiography has been studied as a potential method for the measurement of the internal structure of the active volcano Mt. West Iwate. We improved a cosmic-ray muon detection system built with a set of two position-sensitive segmented detectors by the multiplicity analysis of a soft-component background after passing through an Fe plate between the detectors. We measured the density of the region located 160 m under the peak of Mt. Kurokura and compared to the gravimetric data. Cosmic-ray muons as a radiographic probe provide useful information that complements the gravimetric data. We analyzed the data to find time-dependent changes in the cosmic-ray muon intensity after passing through Mt. West Iwate, and a lower limit of 0.82% was found in Mt. Kurokura at the 90% CL. We discuss the possibility of cosmic-ray muon tomography with two or more detection systems.",

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author = "Tanaka, {H. K.M.} and K. Nagamine and Nakamura, {S. N.} and K. Ishida",

note = "Funding Information: The authors are deeply indebted to the Late Prof. M. Oda for his encouragement and valuable suggestions. Special funding arrangements by Prof. S. Kobayashi and related people of RIKEN (The Institute of Physical and Chemical Research) and MEXT (Ministry of Education, Culture, Sports, Science and Technology) are gratefully acknowledged. We also acknowledge Mitsubishi Foundation for funding at the early stage of this work. We gratefully acknowledge Mr. K. Sugawara, a former MP who made kind efforts for a special funding arrangement regarding the Mt. Iwate experiment. We also acknowledge Mr. T. Endo and the related Iwate Prefectural Government. Valuable discussions with Dr. M. Honda, Professors Y. Ida, and Y. Totsuka are acknowledged. Thanks are also due to Profs. N. Fujii, T. Yamamoto, S. Watanabe, and S. Yoshida for their encouragements and useful advice. Early stage collaboration with Prof. M. Iwasaki, Dr. K. Shimomura, and Dr. N. Kawamura are also acknowledged.",

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AU - Tanaka, H. K.M.

AU - Nagamine, K.

AU - Nakamura, S. N.

AU - Ishida, K.

N1 - Funding Information: The authors are deeply indebted to the Late Prof. M. Oda for his encouragement and valuable suggestions. Special funding arrangements by Prof. S. Kobayashi and related people of RIKEN (The Institute of Physical and Chemical Research) and MEXT (Ministry of Education, Culture, Sports, Science and Technology) are gratefully acknowledged. We also acknowledge Mitsubishi Foundation for funding at the early stage of this work. We gratefully acknowledge Mr. K. Sugawara, a former MP who made kind efforts for a special funding arrangement regarding the Mt. Iwate experiment. We also acknowledge Mr. T. Endo and the related Iwate Prefectural Government. Valuable discussions with Dr. M. Honda, Professors Y. Ida, and Y. Totsuka are acknowledged. Thanks are also due to Profs. N. Fujii, T. Yamamoto, S. Watanabe, and S. Yoshida for their encouragements and useful advice. Early stage collaboration with Prof. M. Iwasaki, Dr. K. Shimomura, and Dr. N. Kawamura are also acknowledged.

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N2 - Cosmic-ray muon radiography has been studied as a potential method for the measurement of the internal structure of the active volcano Mt. West Iwate. We improved a cosmic-ray muon detection system built with a set of two position-sensitive segmented detectors by the multiplicity analysis of a soft-component background after passing through an Fe plate between the detectors. We measured the density of the region located 160 m under the peak of Mt. Kurokura and compared to the gravimetric data. Cosmic-ray muons as a radiographic probe provide useful information that complements the gravimetric data. We analyzed the data to find time-dependent changes in the cosmic-ray muon intensity after passing through Mt. West Iwate, and a lower limit of 0.82% was found in Mt. Kurokura at the 90% CL. We discuss the possibility of cosmic-ray muon tomography with two or more detection systems.

AB - Cosmic-ray muon radiography has been studied as a potential method for the measurement of the internal structure of the active volcano Mt. West Iwate. We improved a cosmic-ray muon detection system built with a set of two position-sensitive segmented detectors by the multiplicity analysis of a soft-component background after passing through an Fe plate between the detectors. We measured the density of the region located 160 m under the peak of Mt. Kurokura and compared to the gravimetric data. Cosmic-ray muons as a radiographic probe provide useful information that complements the gravimetric data. We analyzed the data to find time-dependent changes in the cosmic-ray muon intensity after passing through Mt. West Iwate, and a lower limit of 0.82% was found in Mt. Kurokura at the 90% CL. We discuss the possibility of cosmic-ray muon tomography with two or more detection systems.

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KW - Muon

KW - Radiography

KW - Tomography

KW - Volcano

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ER -

Radiographic measurements of the internal structure of Mt. West Iwate with near-horizontal cosmic-ray muons and future developments

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