Study of the internal background of CsI(Tℓ) crystal detectors for dark matter search

T. Y. Kim; I. S. Cho; D. H. Choi; J. M. Choi; I. S. Hahn; M. J. Hwang; H. K. Jang; R. K. Jain; U. K. Kang; H. J. Kim; J. H. Kim; S. C. Kim; S. K. Kim; S. Y. Kim; Y. D. Kim; Y. J. Kwon; H. S. Lee; J. H. Lee; M. H. Lee; S. E. Lee; S. H. Noh; H. Park; I. H. Park; E. S. Seo; E. Won; H. S. Won; H. Y. Yang; M. S. Yang; I. Yu

doi:10.1016/S0168-9002(03)00346-2

Study of the internal background of CsI(Tℓ) crystal detectors for dark matter search

T. Y. Kim, I. S. Cho, D. H. Choi, J. M. Choi, I. S. Hahn, M. J. Hwang, H. K. Jang, R. K. Jain, U. K. Kang, H. J. Kim, J. H. Kim, S. C. Kim, S. K. Kim, S. Y. Kim, Y. D. Kim, Y. J. Kwon, H. S. Lee, J. H. Lee, M. H. Lee, S. E. LeeS. H. Noh, H. Park, I. H. Park, E. S. Seo, E. Won, H. S. Won, H. Y. Yang, M. S. Yang, I. Yu

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

38 Citations (Scopus)

Abstract

A search for particle cold dark matter with CsI(Tℓ) crystal is being prepared at the Cheong-Pyeong underground laboratory in Korea. The background spectra of CsI(Tℓ) crystal detectors in a prototype shield were obtained. The lowest background count rate of the test sample of crystals is measured to be 64.7±5.1 counts/keV/kg/day in the energy range of 5-20 keV. Quantitative estimation of residual radioactive isotope in CsI(Tℓ) was made using the GEANT4 Monte Carlo simulation. Analysis results show that CsI(Tℓ) crystal could be a good candidate for direct detection of WIMPs when the contamination level of cesium radioisotopes is reduced to under a few mBq/kg.

Original language	English
Pages (from-to)	337-344
Number of pages	8
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	500
Issue number	1-3
DOIs	https://doi.org/10.1016/S0168-9002(03)00346-2
Publication status	Published - 2003 Nov 3
Externally published	Yes

Keywords

CsI(Tℓ) crystal
Dark matter
Decay
WIMP

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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Kim, T. Y., Cho, I. S., Choi, D. H., Choi, J. M., Hahn, I. S., Hwang, M. J., Jang, H. K., Jain, R. K., Kang, U. K., Kim, H. J., Kim, J. H., Kim, S. C., Kim, S. K., Kim, S. Y., Kim, Y. D., Kwon, Y. J., Lee, H. S., Lee, J. H., Lee, M. H., ... Yu, I. (2003). Study of the internal background of CsI(Tℓ) crystal detectors for dark matter search. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 500(1-3), 337-344. https://doi.org/10.1016/S0168-9002(03)00346-2

Study of the internal background of CsI(Tℓ) crystal detectors for dark matter search. / Kim, T. Y.; Cho, I. S.; Choi, D. H.; Choi, J. M.; Hahn, I. S.; Hwang, M. J.; Jang, H. K.; Jain, R. K.; Kang, U. K.; Kim, H. J.; Kim, J. H.; Kim, S. C.; Kim, S. K.; Kim, S. Y.; Kim, Y. D.; Kwon, Y. J.; Lee, H. S.; Lee, J. H.; Lee, M. H.; Lee, S. E.; Noh, S. H.; Park, H.; Park, I. H.; Seo, E. S.; Won, E.; Won, H. S.; Yang, H. Y.; Yang, M. S.; Yu, I.

In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 500, No. 1-3, 03.11.2003, p. 337-344.

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

Kim, TY, Cho, IS, Choi, DH, Choi, JM, Hahn, IS, Hwang, MJ, Jang, HK, Jain, RK, Kang, UK, Kim, HJ, Kim, JH, Kim, SC, Kim, SK, Kim, SY, Kim, YD, Kwon, YJ, Lee, HS, Lee, JH, Lee, MH, Lee, SE, Noh, SH, Park, H, Park, IH, Seo, ES, Won, E, Won, HS, Yang, HY, Yang, MS & Yu, I 2003, 'Study of the internal background of CsI(Tℓ) crystal detectors for dark matter search', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 500, no. 1-3, pp. 337-344. https://doi.org/10.1016/S0168-9002(03)00346-2

Kim, T. Y. ; Cho, I. S. ; Choi, D. H. ; Choi, J. M. ; Hahn, I. S. ; Hwang, M. J. ; Jang, H. K. ; Jain, R. K. ; Kang, U. K. ; Kim, H. J. ; Kim, J. H. ; Kim, S. C. ; Kim, S. K. ; Kim, S. Y. ; Kim, Y. D. ; Kwon, Y. J. ; Lee, H. S. ; Lee, J. H. ; Lee, M. H. ; Lee, S. E. ; Noh, S. H. ; Park, H. ; Park, I. H. ; Seo, E. S. ; Won, E. ; Won, H. S. ; Yang, H. Y. ; Yang, M. S. ; Yu, I. / Study of the internal background of CsI(Tℓ) crystal detectors for dark matter search. In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2003 ; Vol. 500, No. 1-3. pp. 337-344.

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title = "Study of the internal background of CsI(Tℓ) crystal detectors for dark matter search",

abstract = "A search for particle cold dark matter with CsI(Tℓ) crystal is being prepared at the Cheong-Pyeong underground laboratory in Korea. The background spectra of CsI(Tℓ) crystal detectors in a prototype shield were obtained. The lowest background count rate of the test sample of crystals is measured to be 64.7±5.1 counts/keV/kg/day in the energy range of 5-20 keV. Quantitative estimation of residual radioactive isotope in CsI(Tℓ) was made using the GEANT4 Monte Carlo simulation. Analysis results show that CsI(Tℓ) crystal could be a good candidate for direct detection of WIMPs when the contamination level of cesium radioisotopes is reduced to under a few mBq/kg.",

keywords = "CsI(Tℓ) crystal, Dark matter, Decay, WIMP",

author = "Kim, {T. Y.} and Cho, {I. S.} and Choi, {D. H.} and Choi, {J. M.} and Hahn, {I. S.} and Hwang, {M. J.} and Jang, {H. K.} and Jain, {R. K.} and Kang, {U. K.} and Kim, {H. J.} and Kim, {J. H.} and Kim, {S. C.} and Kim, {S. K.} and Kim, {S. Y.} and Kim, {Y. D.} and Kwon, {Y. J.} and Lee, {H. S.} and Lee, {J. H.} and Lee, {M. H.} and Lee, {S. E.} and Noh, {S. H.} and H. Park and Park, {I. H.} and Seo, {E. S.} and E. Won and Won, {H. S.} and Yang, {H. Y.} and Yang, {M. S.} and I. Yu",

note = "Funding Information: This work is supported by the Korean Ministry of Science and Technology under a Creative Research Initiatives Program. We are very grateful to the staff in the underground pumped storage power plant of the Korea Electric Co. at Cheong-Pyeong, who kindly provided space for us to use the laboratory.",

year = "2003",

month = nov,

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doi = "10.1016/S0168-9002(03)00346-2",

language = "English",

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pages = "337--344",

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TY - JOUR

T1 - Study of the internal background of CsI(Tℓ) crystal detectors for dark matter search

AU - Kim, T. Y.

AU - Cho, I. S.

AU - Choi, D. H.

AU - Choi, J. M.

AU - Hahn, I. S.

AU - Hwang, M. J.

AU - Jang, H. K.

AU - Jain, R. K.

AU - Kang, U. K.

AU - Kim, H. J.

AU - Kim, J. H.

AU - Kim, S. C.

AU - Kim, S. K.

AU - Kim, S. Y.

AU - Kim, Y. D.

AU - Kwon, Y. J.

AU - Lee, H. S.

AU - Lee, J. H.

AU - Lee, M. H.

AU - Lee, S. E.

AU - Noh, S. H.

AU - Park, H.

AU - Park, I. H.

AU - Seo, E. S.

AU - Won, E.

AU - Won, H. S.

AU - Yang, H. Y.

AU - Yang, M. S.

AU - Yu, I.

N1 - Funding Information: This work is supported by the Korean Ministry of Science and Technology under a Creative Research Initiatives Program. We are very grateful to the staff in the underground pumped storage power plant of the Korea Electric Co. at Cheong-Pyeong, who kindly provided space for us to use the laboratory.

PY - 2003/11/3

Y1 - 2003/11/3

N2 - A search for particle cold dark matter with CsI(Tℓ) crystal is being prepared at the Cheong-Pyeong underground laboratory in Korea. The background spectra of CsI(Tℓ) crystal detectors in a prototype shield were obtained. The lowest background count rate of the test sample of crystals is measured to be 64.7±5.1 counts/keV/kg/day in the energy range of 5-20 keV. Quantitative estimation of residual radioactive isotope in CsI(Tℓ) was made using the GEANT4 Monte Carlo simulation. Analysis results show that CsI(Tℓ) crystal could be a good candidate for direct detection of WIMPs when the contamination level of cesium radioisotopes is reduced to under a few mBq/kg.

AB - A search for particle cold dark matter with CsI(Tℓ) crystal is being prepared at the Cheong-Pyeong underground laboratory in Korea. The background spectra of CsI(Tℓ) crystal detectors in a prototype shield were obtained. The lowest background count rate of the test sample of crystals is measured to be 64.7±5.1 counts/keV/kg/day in the energy range of 5-20 keV. Quantitative estimation of residual radioactive isotope in CsI(Tℓ) was made using the GEANT4 Monte Carlo simulation. Analysis results show that CsI(Tℓ) crystal could be a good candidate for direct detection of WIMPs when the contamination level of cesium radioisotopes is reduced to under a few mBq/kg.

KW - CsI(Tℓ) crystal

KW - Dark matter

KW - Decay

KW - WIMP

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U2 - 10.1016/S0168-9002(03)00346-2

DO - 10.1016/S0168-9002(03)00346-2

M3 - Article

AN - SCOPUS:0037821756

VL - 500

SP - 337

EP - 344

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

SN - 0168-9002

IS - 1-3

ER -

Study of the internal background of CsI(Tℓ) crystal detectors for dark matter search

Abstract

Keywords

ASJC Scopus subject areas

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