Twelve-crystal prototype of Li2MoO4 scintillating bolometers for CUPID and CROSS experiments

被引：2

作者：

Alfonso, K. ^{[1
]}

Armatol, A. ^{[2
]}

Augier, C. ^{[3
]}

Avignone, F. T., III ^{[4
]}

Azzolini, O. ^{[5
]}

Balata, M. ^{[6
]}

Bandac, I. C. ^{[7
]}

Barabash, A. S. ^{[8
]}

Bari, G. ^{[9
]}

Barresi, A. ^{[10
,11
]}

Baudin, D. ^{[2
]}

Bellini, F. ^{[12
,13
]}

Benato, G. ^{[6
]}

Berest, V. ^{[2
]}

Beretta, M. ^{[14
]}

Bettelli, M. ^{[15
]}

Biassoni, M. ^{[10
]}

Billard, J. ^{[3
]}

Boldrini, V. ^{[9
,15
]}

Branca, A. ^{[10
,11
]}

Brofferio, C. ^{[10
,11
]}

Bucci, C.

Calvo-Mozota, J. M. ^{[16
]}

Camilleri, J. ^{[1
]}

Campani, A. ^{[17
,18
]}

Capelli, C. ^{[19
]}

Capelli, S. ^{[10
,11
]}

Cappelli, L.

Cardani, L.

Carniti, P. ^{[10
,11
]}

Casali, N.

Celi, E. ^{[19
,20
]}

Chang, C. ^{[21
]}

Chiesa, D. ^{[10
,11
]}

Clemenza, M. ^{[10
]}

Colantoni, I. ^{[22
]}

Copello, S.

Craft, E. ^{[23
]}

Cremonesi, O. ^{[10
]}

Creswick, R. J.

Cruciani, A.

D'Addabbo, A.

D'Imperio, G.

Dabagov, S. ^{[24
]}

Dafinei, I.

Danevich, F. A. ^{[25
,26
]}

De Jesus, M.

de Marcillac, P.

Dell'Oro, S. ^{[10
,11
]}

Di Domizio, S.

机构：

[1] Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA

[2] Univ Paris Saclay, CEA, IRFU, Saclay, France

[3] Univ Lyon, Univ Lyon 1, CNRS IN2P3, IP2I Lyon, Villeurbanne, France

[4] Univ South Carolina, Columbia, SC USA

[5] INFN Lab Nazl Legnaro, Legnaro, Italy

[6] INFN Lab Nazl Gran Sasso, Assergi, AQ, Italy

[7] Lab Subterraneo Canfranc, Canfranc Estacion, Spain

[8] Natl Res Ctr Kurchatov Inst, Kurchatov Complex Theoret & Expt Phys, Moscow, Russia

[9] INFN Sez Bologna, Bologna, Italy

[10] INFN Sez Milano Bicocca, Milan, Italy

[11] Univ Milano Bicocca, Milan, Italy

[12] INFN Sez Roma, Rome, Italy

[13] Sapienza Univ Rome, Rome, Italy

[14] Univ Calif Berkeley, Berkeley, CA USA

[15] CNR, Inst Microelect & Microsyst, Bologna, Italy

[16] Univ Int La Rioja, Escuela Super Ingn & Tecnol, Logrono, Spain

[17] INFN Sez Genova, Genoa, Italy

[18] Univ Genoa, Genoa, Italy

[19] Lawrence Berkeley Natl Lab, Berkeley, CA USA

[20] Gran Sasso Sci Inst, Laquila, Italy

[21] Argonne Natl Lab, Argonne, IL USA

[22] CNR Inst Nanotechnol, Rome, Italy

[23] Yale Univ, New Haven, CT USA

[24] INFN Lab Nazl Frascati, Frascati, Italy

[25] NASU, Inst Nucl Res, Kiev, Ukraine

[26] INFN Sez Roma Tor Vergata, Rome, Italy

[27] Univ Paris, CNRS, IN2P3, IJCLab, Orsay, France

[28] Northwestern Univ, Evanston, IL USA

[29] MIT, Cambridge, MA USA

[30] Fudan Univ, Shanghai, Peoples R China

[31] Boston Univ, Boston, MA USA

[32] Calif Polytech State Univ San Luis Obispo, San Luis Obispo, CA USA

[33] Shanghai Jiao Tong Univ, Shanghai, Peoples R China

[34] Univ Calif Los Angeles, Los Angeles, CA USA

[35] Drexel Univ, Philadelphia, PA USA

[36] Johns Hopkins Univ, Baltimore, MD USA

[37] Beijing Normal Univ, Beijing, Peoples R China

[38] Univ Zaragoza, Ctr Astroparticulas & Fis Altas Energias, Zaragoza, Spain

[39] ARAID Fdn Agencia Aragonesa Invest & Desarrollo, Zaragoza, Spain

[40] Univ Sci & Technol China, Hefei, Peoples R China

[41] Nikolaev Inst Inorgan Chem, Novosibirsk, Russia

[42] INFN Sez Padova, Padua, Italy

[43] Univ Grenoble Alpes, CNRS, Grenoble INP, SIMAP,Inst Engn Univ Grenoble Alpes, Grenoble, France

[44] Univ Bologna, Bologna, Italy

来源：

JOURNAL OF INSTRUMENTATION | 2023年 / 18卷 / 06期

基金：

欧盟地平线“2020”; 新加坡国家研究基金会; 欧洲研究理事会; 美国国家科学基金会;

关键词：

Cryogenic detectors; Double-beta decay detectors; Particle identification methods; Scintillators; scintillation and light emission processes (solid; gas and liquid scintillators); DOUBLE-BETA-DECAY; RESPONSE STABILIZATION; DETECTORS; PERFORMANCE;

D O I：

10.1088/1748-0221/18/06/P06018

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

An array of twelve 0.28 kg lithium molybdate (LMO) low-temperature bolometers equipped with 16 bolometric Ge light detectors, aiming at optimization of detector structure for CROSS and CUPID double-beta decay experiments, was constructed and tested in a low-background pulse-tube-based cryostat at the Canfranc underground laboratory in Spain. Performance of the scintillating bolometers was studied depending on the size of phonon NTD-Ge sensors glued to both LMO and Ge absorbers, shape of the Ge light detectors (circular vs. square, from two suppliers), in different light collection conditions (with and without reflector, with aluminum coated LMO crystal surface). The scintillating bolometer array was operated over 8 months in the low-background conditions that allowed to probe a very low, mu Bq/kg, level of the LMO crystals radioactive contamination by Th-228 and Ra-226.

引用

页数：26

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