Development of the bolometer for the β+β+ decay experiment

Yutaka Ito; Makoto Minowa; Wataru Ootani; Keiji Nishigaki; Yasuhiro Kishimoto; Takayuki Watanabe; Youiti Ootuka

doi:10.1016/S0168-9002(96)01166-7

Development of the bolometer for the β⁺β⁺ decay experiment

Yutaka Ito, Makoto Minowa, Wataru Ootani, Keiji Nishigaki, Yasuhiro Kishimoto, Takayuki Watanabe, Youiti Ootuka

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

9 Citations (Scopus)

Abstract

We developed a bolometer with a 0.5 g CdTe absorber using a high-sensitivity NTD germanium thermistor. An energy resolution of 24 keV (FWHM) is obtained for 0.66 to 1.8 MeV γ-rays. It shows a good linearity of the response in the energy range between 0.66 and 5.5 MeV. The gain is found to be stable for a period of 72 days of continuous operation and relatively insensitive to temperature changes of the refrigerator. The temperature change of the refrigerator for this period is within ± 1 mK. Since this material contains double positron emission (β⁺β⁺) nuclides ¹⁰⁶Cd, ¹⁰⁸Cd and ¹²⁰Te, a new series of double beta decay experiments may become possible with this new method.

Original language	English
Pages (from-to)	439-442
Number of pages	4
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	386
Issue number	2-3
DOIs	https://doi.org/10.1016/S0168-9002(96)01166-7
Publication status	Published - 1997 Feb 21
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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Development of the bolometer for the β⁺β⁺ decay experiment. / Ito, Yutaka; Minowa, Makoto; Ootani, Wataru; Nishigaki, Keiji; Kishimoto, Yasuhiro; Watanabe, Takayuki; Ootuka, Youiti.

In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 386, No. 2-3, 21.02.1997, p. 439-442.

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

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AU - Watanabe, Takayuki

AU - Ootuka, Youiti

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