Development of a microcalorimeter for measurement of L X-rays emitted from transuranium elements

K Nakamura,K Maehata,K Ishibashi,N Iyomoto,K Takasaki,M Maeda,K Mitsuda

doi:10.1109/nssmic.2014.7431099

Development of a microcalorimeter for measurement of L X-rays emitted from transuranium elements

K Nakamura, K Maehata + Show 5 more

https://doi.org/10.1109/nssmic.2014.7431099

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Publication Date: Nov 1, 2014

Citations: 3

Affiliation: Japan Atomic Energy Agency, Kyushu University, Japan Aerospace Exploration Agency, Institute of Space and Astronautical Science

#Transition-edge Sensor Microcalorimeter #Transuranium + Show 8 more

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Abstract

We fabricated a transition-edge sensor (TES) microcalorimeter for spectroscopic measurements of L X-rays emitted by transuranium (TRU) elements. A Pu L X-ray energy spectrum was obtained by irradiation with L X-rays emitted by a 244Cm source to the TES microcalorimeter. The energy resolution was evaluated to be 64 eV at the full width at half maximum (FWHM) for L X-rays at 14.28 keV. The obtained L X-ray spectrum indicated that the TES microcalorimeter made it possible to distinguish between the L X-ray lines of TRU elements.

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