Development of a Li2MoO4 scintillating bolometer for low background physics

被引：70

作者：

Cardani, L. ^{[3
,4
]}

Casali, N. ^{[1
,2
]}

Nagorny, S. ^{[1
]}

Pattavina, L. ^{[1
]}

Piperno, G. ^{[3
,4
]}

Barinova, O. P. ^{[5
]}

Beeman, J. W. ^{[6
]}

Bellini, F. ^{[3
,4
]}

Danevich, F. A. ^{[7
]}

Di Domizio, S. ^{[8
,9
]}

Gironi, L. ^{[10
,11
]}

Kirsanova, S. V. ^{[5
]}

Orio, F. ^{[4
]}

Pessina, G. ^{[10
,11
]}

Pirro, S. ^{[1
]}

Rusconi, C. ^{[11
]}

Tomei, C. ^{[4
]}

Tretyak, V. I. ^{[7
]}

Vignati, M. ^{[4
]}

机构：

[1] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, I-67010 Assergi, AQ, Italy

[2] Univ Aquila, Dipartimento Sci Fis & Chim, I-67100 Coppito, AQ, Italy

[3] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy

[4] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy

[5] DI Mendeleev Univ Chem Technol Russia, Moscow 125047, Russia

[6] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[7] MSP, Inst Nucl Res, UA-3680 Kiev, Ukraine

[8] Univ Genoa, Dipartimento Fis, I-16146 Genoa, Italy

[9] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy

[10] Univ Milano Bicocca, Dipartimento Fis, I-20126 Milan, Italy

[11] Ist Nazl Fis Nucl, Sez Milano Bicocca, I-20126 Milan, Italy

来源：

JOURNAL OF INSTRUMENTATION | 2013年 / 8卷

基金：

欧洲研究理事会;

关键词：

Calorimeters; Double-beta decay detectors; Neutron detectors (cold; thermal; fast neutrons); Dark Matter detectors (WIMPs; axions; etc.); DARK-MATTER; AXIONS; SEARCH; CANDIDATES; CRYSTAL;

D O I：

10.1088/1748-0221/8/10/P10002

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We present the performance of a 33 g Li2MoO4 crystal working as a scintillating bolometer. The crystal was tested for more than 400 h in a dilution refrigerator installed in the underground laboratory of Laboratori Nazionali del Gran Sasso (Italy). This compound shows promising features in the frame of neutron detection, dark matter search (solar axions) and neutrinoless double-beta decay physics. Low temperature scintillating properties were investigated by means of different alpha, beta/gamma and neutron sources, and for the first time the Light Yield for different types of interacting particle is estimated. The detector shows great ability of tagging fast neutron interactions and high intrinsic radiopurity levels (< 90 mu Bq/kg for U-238 and < 110 mu Bq/kg for Th-232).

引用

页数：13

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