Study of CdMoO4 crystal for a neutrinoless double beta decay experiment with 116Cd and 100Mo nuclides

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doi:10.1088/1674-1137/41/4/046002

Chinese Physics C> 2017, Vol. 41> Issue(4) : 046002 DOI: 10.1088/1674-1137/41/4/046002

Study of CdMoO₄ crystal for a neutrinoless double beta decay experiment with ¹¹⁶Cd and ¹⁰⁰Mo nuclides

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Abstract：
The scintillation properties of a CdMoO₄ crystal have been investigated experimentally. The fluorescence yields and decay times measured from 22 K to 300 K demonstrate that CdMoO₄ crystal is a good candidate for an absorber for a bolometer readout, for both heat and scintillation signals. The results from Monte Carlo studies, taking the backgrounds from 2ν2β of ₄₂¹⁰⁰Mo (₄₈¹¹⁶Cd) and internal trace nuclides ²¹⁴Bi and ²⁰⁸Tl into account, show that the expected sensitivity of a CdMoO₄ bolometer for neutrinoless double beta decay experiments with an exposure of 100 kg·years is one order of magnitude higher than those of the current sets of the T_1/2^0νββ of ₄₂¹⁰⁰Mo and ₄₈¹¹⁶Cd.
- neutrinoless double beta decay

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null. Study of CdMoO₄ crystal for a neutrinoless double beta decay experiment with ¹¹⁶Cd and ¹⁰⁰Mo nuclides[J]. Chinese Physics C, 2017, 41(4): 046002. doi: 10.1088/1674-1137/41/4/046002

null. Study of CdMoO₄ crystal for a neutrinoless double beta decay experiment with ¹¹⁶Cd and ¹⁰⁰Mo nuclides[J]. Chinese Physics C, 2017, 41(4): 046002. doi: 10.1088/1674-1137/41/4/046002 shu

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Received: 2016-09-20

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沈阳化工大学材料科学与工程学院沈阳 110142

Study of CdMoO₄ crystal for a neutrinoless double beta decay experiment with ¹¹⁶Cd and ¹⁰⁰Mo nuclides

null

Received Date: 2016-09-20
Available Online: 2017-04-05

Fund Project: Supported by National Natural Science Foundation of China (11275199)

Abstract: The scintillation properties of a CdMoO₄ crystal have been investigated experimentally. The fluorescence yields and decay times measured from 22 K to 300 K demonstrate that CdMoO₄ crystal is a good candidate for an absorber for a bolometer readout, for both heat and scintillation signals. The results from Monte Carlo studies, taking the backgrounds from 2ν2β of ₄₂¹⁰⁰Mo (₄₈¹¹⁶Cd) and internal trace nuclides ²¹⁴Bi and ²⁰⁸Tl into account, show that the expected sensitivity of a CdMoO₄ bolometer for neutrinoless double beta decay experiments with an exposure of 100 kg·years is one order of magnitude higher than those of the current sets of the T_1/2^0νββ of ₄₂¹⁰⁰Mo and ₄₈¹¹⁶Cd.