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Spectroscopic Measurements of L X-rays with a TES Microcalorimeter for a Non-destructive Assay of Transuranium Elements.

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Title: Spectroscopic Measurements of L X-rays with a TES Microcalorimeter for a Non-destructive Assay of Transuranium Elements.
Authors: Nakamura, Keisuke1 nakamura.keisuke@jaea.go.jp, Morishita, Yuki1, Takasaki, Koji1, Maehata, Keisuke2, Sugimoto, Tetsuya2, Kiguchi, Yu2, Iyomoto, Naoko2, Mitsuda, Kazuhisa3
Source: Journal of Low Temperature Physics. Nov2018, Vol. 193 Issue 3/4, p314-320. 7p.
Subjects: Calorimeters, Transuranium elements, Radioactive substances, Transplutonium elements, Uranium
Abstract: Spectroscopic measurement of the L X-rays emitted from transuranium elements is one of the most useful techniques for the non-destructive assays of nuclear materials. In this study, we fabricated a transition-edge-sensor (TES) microcalorimeter using a 5-μm-thick Au absorber and tested its ability to measure the L X-rays emitted from two transuranium elements, Np-237 and Cm-244 sources. The microcalorimeter was found to successfully measure the L X-rays with an energy resolution (full width at half maximum) below 70 eV. These results confirm that L X-rays can be identified using the proposed TES microcalorimeter to enable non-destructive assays of transuranium elements. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Low Temperature Physics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Spectroscopic Measurements of L X-rays with a TES Microcalorimeter for a Non-destructive Assay of Transuranium Elements.
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  Data: <searchLink fieldCode="AR" term="%22Nakamura%2C+Keisuke%22">Nakamura, Keisuke</searchLink><relatesTo>1</relatesTo><i> nakamura.keisuke@jaea.go.jp</i><br /><searchLink fieldCode="AR" term="%22Morishita%2C+Yuki%22">Morishita, Yuki</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Takasaki%2C+Koji%22">Takasaki, Koji</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Maehata%2C+Keisuke%22">Maehata, Keisuke</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Sugimoto%2C+Tetsuya%22">Sugimoto, Tetsuya</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Kiguchi%2C+Yu%22">Kiguchi, Yu</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Iyomoto%2C+Naoko%22">Iyomoto, Naoko</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Mitsuda%2C+Kazuhisa%22">Mitsuda, Kazuhisa</searchLink><relatesTo>3</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Low+Temperature+Physics%22">Journal of Low Temperature Physics</searchLink>. Nov2018, Vol. 193 Issue 3/4, p314-320. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Calorimeters%22">Calorimeters</searchLink><br /><searchLink fieldCode="DE" term="%22Transuranium+elements%22">Transuranium elements</searchLink><br /><searchLink fieldCode="DE" term="%22Radioactive+substances%22">Radioactive substances</searchLink><br /><searchLink fieldCode="DE" term="%22Transplutonium+elements%22">Transplutonium elements</searchLink><br /><searchLink fieldCode="DE" term="%22Uranium%22">Uranium</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Spectroscopic measurement of the L X-rays emitted from transuranium elements is one of the most useful techniques for the non-destructive assays of nuclear materials. In this study, we fabricated a transition-edge-sensor (TES) microcalorimeter using a 5-μm-thick Au absorber and tested its ability to measure the L X-rays emitted from two transuranium elements, Np-237 and Cm-244 sources. The microcalorimeter was found to successfully measure the L X-rays with an energy resolution (full width at half maximum) below 70 eV. These results confirm that L X-rays can be identified using the proposed TES microcalorimeter to enable non-destructive assays of transuranium elements. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Low Temperature Physics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s10909-018-1953-9
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              Text: Nov2018
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