Compact phonon-scintillation detection system for rare event searches at low temperatures

H. L. Kim; J. A. Jeon; I. Kim; S. R. Kim; H. J. Kim; Y. H. Kim; D. H. Kwon; M. K. Lee; J. H. So

doi:10.1016/j.nima.2019.04.061

Compact phonon-scintillation detection system for rare event searches at low temperatures

H. L. Kim, J. A. Jeon, I. Kim, S. R. Kim, H. J. Kim, Y. H. Kim, D. H. Kwon, M. K. Lee, J. H. So

Research output: Contribution to journal › Review article › peer-review

9 Scopus citations

Abstract

We have developed a compact cryogenic measurement system to investigate the phonon and scintillation properties of various scintillating crystals. This system employs a 1 × 1× 1 cm³ crystal for the simultaneous detection of heat (phonon) and light (scintillation) signals based on metallic magnetic calorimeter (MMC) readouts at milliKelvin temperatures. Three molybdate crystals of CaMoO₄, Na₂Mo₂O₇, and Li₂MoO₄ were tested in the detector system. This work surveys scintillating crystals as target materials for neutrinoless double beta (0νββ) decay of ¹⁰⁰Mo. All the measurements are successful in simultaneously detecting heat and light signals from the crystals. The measurements also results in clear particle identification using the pulse shapes and the relative amplitude ratios of the heat and light signals. We report the performance of the detector system through the amplitudes and time constants of the signals and the particle identification discrimination powers with discussion on 0νββ applications.

Original language	English
Article number	162107
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	954
DOIs	https://doi.org/10.1016/j.nima.2019.04.061
State	Published - 21 Feb 2020

Keywords

Low temperature detector
Neutrinoless double beta decay
Phonon-scintillation detection
Scintillating crystal

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10.1016/j.nima.2019.04.061

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Kim, H. L., Jeon, J. A., Kim, I., Kim, S. R., Kim, H. J., Kim, Y. H., Kwon, D. H., Lee, M. K., & So, J. H. (2020). Compact phonon-scintillation detection system for rare event searches at low temperatures. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 954, Article 162107. https://doi.org/10.1016/j.nima.2019.04.061

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abstract = "We have developed a compact cryogenic measurement system to investigate the phonon and scintillation properties of various scintillating crystals. This system employs a 1 × 1× 1 cm3 crystal for the simultaneous detection of heat (phonon) and light (scintillation) signals based on metallic magnetic calorimeter (MMC) readouts at milliKelvin temperatures. Three molybdate crystals of CaMoO4, Na2Mo2O7, and Li2MoO4 were tested in the detector system. This work surveys scintillating crystals as target materials for neutrinoless double beta (0νββ) decay of 100Mo. All the measurements are successful in simultaneously detecting heat and light signals from the crystals. The measurements also results in clear particle identification using the pulse shapes and the relative amplitude ratios of the heat and light signals. We report the performance of the detector system through the amplitudes and time constants of the signals and the particle identification discrimination powers with discussion on 0νββ applications.",

keywords = "Low temperature detector, Neutrinoless double beta decay, Phonon-scintillation detection, Scintillating crystal",

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Compact phonon-scintillation detection system for rare event searches at low temperatures. / Kim, H. L.; Jeon, J. A.; Kim, I. et al.
In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 954, 162107, 21.02.2020.

Research output: Contribution to journal › Review article › peer-review

TY - JOUR

T1 - Compact phonon-scintillation detection system for rare event searches at low temperatures

AU - Kim, H. L.

AU - Jeon, J. A.

AU - Kim, I.

AU - Kim, S. R.

AU - Kim, H. J.

AU - Kim, Y. H.

AU - Kwon, D. H.

AU - Lee, M. K.

AU - So, J. H.

PY - 2020/2/21

Y1 - 2020/2/21

N2 - We have developed a compact cryogenic measurement system to investigate the phonon and scintillation properties of various scintillating crystals. This system employs a 1 × 1× 1 cm3 crystal for the simultaneous detection of heat (phonon) and light (scintillation) signals based on metallic magnetic calorimeter (MMC) readouts at milliKelvin temperatures. Three molybdate crystals of CaMoO4, Na2Mo2O7, and Li2MoO4 were tested in the detector system. This work surveys scintillating crystals as target materials for neutrinoless double beta (0νββ) decay of 100Mo. All the measurements are successful in simultaneously detecting heat and light signals from the crystals. The measurements also results in clear particle identification using the pulse shapes and the relative amplitude ratios of the heat and light signals. We report the performance of the detector system through the amplitudes and time constants of the signals and the particle identification discrimination powers with discussion on 0νββ applications.

AB - We have developed a compact cryogenic measurement system to investigate the phonon and scintillation properties of various scintillating crystals. This system employs a 1 × 1× 1 cm3 crystal for the simultaneous detection of heat (phonon) and light (scintillation) signals based on metallic magnetic calorimeter (MMC) readouts at milliKelvin temperatures. Three molybdate crystals of CaMoO4, Na2Mo2O7, and Li2MoO4 were tested in the detector system. This work surveys scintillating crystals as target materials for neutrinoless double beta (0νββ) decay of 100Mo. All the measurements are successful in simultaneously detecting heat and light signals from the crystals. The measurements also results in clear particle identification using the pulse shapes and the relative amplitude ratios of the heat and light signals. We report the performance of the detector system through the amplitudes and time constants of the signals and the particle identification discrimination powers with discussion on 0νββ applications.

KW - Low temperature detector

KW - Neutrinoless double beta decay

KW - Phonon-scintillation detection

KW - Scintillating crystal

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DO - 10.1016/j.nima.2019.04.061

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SN - 0168-9002

VL - 954

JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

M1 - 162107

ER -

Compact phonon-scintillation detection system for rare event searches at low temperatures

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