Development of Gamma-Ray Position-Sensitive Transition-Edge Sensor Microcalorimeters

N. Iyomoto; Y. Kurume; T. Kuroiwa; S. Asagawa; T. Tsuruta; Y. Nishida; Y. Hamamura; K. Maehata; T. Hayashi; H. Muramatsu; K. Mitsuda

doi:10.1007/s10909-020-02518-y

Development of Gamma-Ray Position-Sensitive Transition-Edge Sensor Microcalorimeters

N. Iyomoto, Y. Kurume, T. Kuroiwa, S. Asagawa, T. Tsuruta, Y. Nishida, Y. Hamamura, K. Maehata, T. Hayashi, H. Muramatsu, K. Mitsuda

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

3 Citations (Scopus)

Abstract

We are developing position-sensitive transition-edge sensor (TES) microcalorimeters (PoSTs) to detect gamma rays up to a few MeV. Each gamma-ray PoST consists of a long absorber with a TES on each end and works as a 1D imaging spectrometer. We fabricated PoSTs with 0.5 × 0.5 × 18.8 mm lead absorbers. We irradiated two PoST devices with gamma rays from a Cs-137 source. Gamma-ray pulses of the PoSTs show a strong correlation between the pulse height and the rise time. We divided the pulses in the 662 keV line into 12 groups after sorting them by rise time to determine effective pixels. We modeled the PoST device and compared the average pulses of the 12 effective pixels to numerical simulations. The actual pulses and simulated pulses were in good agreement.

Original language	English
Pages (from-to)	233-238
Number of pages	6
Journal	Journal of Low Temperature Physics
Volume	200
Issue number	5-6
DOIs	https://doi.org/10.1007/s10909-020-02518-y
Publication status	Published - Sept 1 2020

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Materials Science(all)
Condensed Matter Physics

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10.1007/s10909-020-02518-y

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title = "Development of Gamma-Ray Position-Sensitive Transition-Edge Sensor Microcalorimeters",

abstract = "We are developing position-sensitive transition-edge sensor (TES) microcalorimeters (PoSTs) to detect gamma rays up to a few MeV. Each gamma-ray PoST consists of a long absorber with a TES on each end and works as a 1D imaging spectrometer. We fabricated PoSTs with 0.5 × 0.5 × 18.8 mm lead absorbers. We irradiated two PoST devices with gamma rays from a Cs-137 source. Gamma-ray pulses of the PoSTs show a strong correlation between the pulse height and the rise time. We divided the pulses in the 662 keV line into 12 groups after sorting them by rise time to determine effective pixels. We modeled the PoST device and compared the average pulses of the 12 effective pixels to numerical simulations. The actual pulses and simulated pulses were in good agreement.",

author = "N. Iyomoto and Y. Kurume and T. Kuroiwa and S. Asagawa and T. Tsuruta and Y. Nishida and Y. Hamamura and K. Maehata and T. Hayashi and H. Muramatsu and K. Mitsuda",

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doi = "10.1007/s10909-020-02518-y",

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T1 - Development of Gamma-Ray Position-Sensitive Transition-Edge Sensor Microcalorimeters

AU - Iyomoto, N.

AU - Kurume, Y.

AU - Kuroiwa, T.

AU - Asagawa, S.

AU - Tsuruta, T.

AU - Nishida, Y.

AU - Hamamura, Y.

AU - Maehata, K.

AU - Hayashi, T.

AU - Muramatsu, H.

AU - Mitsuda, K.

PY - 2020/9/1

Y1 - 2020/9/1

N2 - We are developing position-sensitive transition-edge sensor (TES) microcalorimeters (PoSTs) to detect gamma rays up to a few MeV. Each gamma-ray PoST consists of a long absorber with a TES on each end and works as a 1D imaging spectrometer. We fabricated PoSTs with 0.5 × 0.5 × 18.8 mm lead absorbers. We irradiated two PoST devices with gamma rays from a Cs-137 source. Gamma-ray pulses of the PoSTs show a strong correlation between the pulse height and the rise time. We divided the pulses in the 662 keV line into 12 groups after sorting them by rise time to determine effective pixels. We modeled the PoST device and compared the average pulses of the 12 effective pixels to numerical simulations. The actual pulses and simulated pulses were in good agreement.

AB - We are developing position-sensitive transition-edge sensor (TES) microcalorimeters (PoSTs) to detect gamma rays up to a few MeV. Each gamma-ray PoST consists of a long absorber with a TES on each end and works as a 1D imaging spectrometer. We fabricated PoSTs with 0.5 × 0.5 × 18.8 mm lead absorbers. We irradiated two PoST devices with gamma rays from a Cs-137 source. Gamma-ray pulses of the PoSTs show a strong correlation between the pulse height and the rise time. We divided the pulses in the 662 keV line into 12 groups after sorting them by rise time to determine effective pixels. We modeled the PoST device and compared the average pulses of the 12 effective pixels to numerical simulations. The actual pulses and simulated pulses were in good agreement.

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JO - Journal of Low Temperature Physics

JF - Journal of Low Temperature Physics

IS - 5-6

ER -

Development of Gamma-Ray Position-Sensitive Transition-Edge Sensor Microcalorimeters

Abstract

All Science Journal Classification (ASJC) codes

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