First scintillating bolometer tests of a CLYMENE R&D on Li 2 MoO 4 scintillators towards a large-scale double-beta decay experiment

G. Buşe, A. Giuliani, P. de Marcillac, S. Marnieros, C. Nones, V. Novati, E. Olivieri, D. V. Poda, T. Redon, J. B. Sand, P. Veber, M. Velázquez, A. S. Zolotarova

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A new R&D on lithium molybdate scintillators has begun within a project CLYMENE (Czochralski growth of Li 2 MoO 4 crYstals for the scintillating boloMeters used in the rare EveNts sEarches). One of the main goals of the CLYMENE is a realization of a Li 2 MoO 4 crystal growth line to be complementary to the one recently developed by LUMINEU in view of a mass production capacity for CUPID, a next-generation tonne-scale bolometric experiment to search for neutrinoless double-beta decay. In the present paper we report the investigation of performance and radiopurity of 158-g and 13.5-g scintillating bolometers based on a first large-mass (230 g) Li 2 MoO 4 crystal scintillator developed within the CLYMENE project. In particular, a good energy resolution (2–7 keV FWHM in the energy range of 0.2–5 MeV), one of the highest light yield (0.97 keV/MeV) amongst Li 2 MoO 4 scintillating bolometers, an efficient alpha particles discrimination (10σ) and potentially low internal radioactive contamination (below 0.2–0.3 mBq/kg of U/Th, but 1.4 mBq/kg of 210 Po) demonstrate prospects of the CLYMENE in the development of high quality and radiopure Li 2 MoO 4 scintillators for CUPID.

Original languageEnglish
Pages (from-to)87-91
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume891
DOIs
Publication statusPublished - May 21 2018

Fingerprint

Bolometers
bolometers
Phosphors
scintillation counters
decay
Crystals
Crystal growth from melt
Alpha particles
molybdates
Experiments
Full width at half maximum
Crystal growth
crystals
alpha particles
discrimination
crystal growth
contamination
Lithium
Contamination
lithium

Keywords

  • Bolometer
  • Cryogenic detector
  • Crystal scintillator
  • Double-beta decay
  • Lithium molybdate
  • Radiopurity

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

Cite this

First scintillating bolometer tests of a CLYMENE R&D on Li 2 MoO 4 scintillators towards a large-scale double-beta decay experiment. / Buşe, G.; Giuliani, A.; de Marcillac, P.; Marnieros, S.; Nones, C.; Novati, V.; Olivieri, E.; Poda, D. V.; Redon, T.; Sand, J. B.; Veber, P.; Velázquez, M.; Zolotarova, A. S.

In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 891, 21.05.2018, p. 87-91.

Research output: Contribution to journalArticle

Buşe, G. ; Giuliani, A. ; de Marcillac, P. ; Marnieros, S. ; Nones, C. ; Novati, V. ; Olivieri, E. ; Poda, D. V. ; Redon, T. ; Sand, J. B. ; Veber, P. ; Velázquez, M. ; Zolotarova, A. S. / First scintillating bolometer tests of a CLYMENE R&D on Li 2 MoO 4 scintillators towards a large-scale double-beta decay experiment. In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2018 ; Vol. 891. pp. 87-91.
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AU - Buşe, G.

AU - Giuliani, A.

AU - de Marcillac, P.

AU - Marnieros, S.

AU - Nones, C.

AU - Novati, V.

AU - Olivieri, E.

AU - Poda, D. V.

AU - Redon, T.

AU - Sand, J. B.

AU - Veber, P.

AU - Velázquez, M.

AU - Zolotarova, A. S.

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N2 - A new R&D on lithium molybdate scintillators has begun within a project CLYMENE (Czochralski growth of Li 2 MoO 4 crYstals for the scintillating boloMeters used in the rare EveNts sEarches). One of the main goals of the CLYMENE is a realization of a Li 2 MoO 4 crystal growth line to be complementary to the one recently developed by LUMINEU in view of a mass production capacity for CUPID, a next-generation tonne-scale bolometric experiment to search for neutrinoless double-beta decay. In the present paper we report the investigation of performance and radiopurity of 158-g and 13.5-g scintillating bolometers based on a first large-mass (230 g) Li 2 MoO 4 crystal scintillator developed within the CLYMENE project. In particular, a good energy resolution (2–7 keV FWHM in the energy range of 0.2–5 MeV), one of the highest light yield (0.97 keV/MeV) amongst Li 2 MoO 4 scintillating bolometers, an efficient alpha particles discrimination (10σ) and potentially low internal radioactive contamination (below 0.2–0.3 mBq/kg of U/Th, but 1.4 mBq/kg of 210 Po) demonstrate prospects of the CLYMENE in the development of high quality and radiopure Li 2 MoO 4 scintillators for CUPID.

AB - A new R&D on lithium molybdate scintillators has begun within a project CLYMENE (Czochralski growth of Li 2 MoO 4 crYstals for the scintillating boloMeters used in the rare EveNts sEarches). One of the main goals of the CLYMENE is a realization of a Li 2 MoO 4 crystal growth line to be complementary to the one recently developed by LUMINEU in view of a mass production capacity for CUPID, a next-generation tonne-scale bolometric experiment to search for neutrinoless double-beta decay. In the present paper we report the investigation of performance and radiopurity of 158-g and 13.5-g scintillating bolometers based on a first large-mass (230 g) Li 2 MoO 4 crystal scintillator developed within the CLYMENE project. In particular, a good energy resolution (2–7 keV FWHM in the energy range of 0.2–5 MeV), one of the highest light yield (0.97 keV/MeV) amongst Li 2 MoO 4 scintillating bolometers, an efficient alpha particles discrimination (10σ) and potentially low internal radioactive contamination (below 0.2–0.3 mBq/kg of U/Th, but 1.4 mBq/kg of 210 Po) demonstrate prospects of the CLYMENE in the development of high quality and radiopure Li 2 MoO 4 scintillators for CUPID.

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KW - Lithium molybdate

KW - Radiopurity

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