A CUPID Li2100MoO4 scintillating bolometer tested in the CROSS underground facility

Armatol, A.; Armengaud, E.; Armstrong, W.; Augier, C.; Avignone, F. T.; Azzolini, O.; Bandac, I.; Barabash, A. S.; Bari, G.; Barresi, Andrea; Baudin, D.; Bellini, F.; Benato, G.; Beretta, M.; Bergé, L.; Bourgeois, C.; Biassoni, M.; Billard, J.; Boldrini, V.; Branca, A.; Brofferio, C.; Bucci, C.; Calvo-Mozota, J. M.; Camilleri, J.; Candela, A.; Capelli, S.; Cappelli, L.; Cardani, L.; Carniti, P.; Casali, N.; Cazes, A.; Celi, E.; Chang, C. L.; Chapellier, M.; Charrier, Anne; Chiesa, D.; Clemenza, M.; Colantoni, I.; Collamati, Francesco; Copello, S.; Cremonesi, O.; Creswick, R. J.; Cruciani, A.; D’Addabbo, A.; D'imperio, Giulia; Dafinei, I.; Danevich, F.A.; Combarieu, M. de; Deo, M. De; Jésus, M. de; Marcillac, P. de; Dell’Oro, S.; Domizio, S. Di; Dompè, V.; Drobizhev, A.; Dumoulin, L.; Fantini, G.; Faverzani, M.; Ferri, E.; Ferri, F.; Ferroni, F.; Figueroa‐Feliciano, E.; Formaggio, J. A.; Franceschi, A.; Fu, Changbo; Fu, S.; Fujikawa, B. K.; Gascon, J.; Giachero, A.; Gironi, L.; Giuliani, A.; Gorla, P.; Gotti, C.; Gras, Pierre; Gros, M.; Guerard, E.; Gutierrez, T. D.; Han, K.; Hansen, E. V.; Heeger, K. M.; Helis, D.; Huang, H. Z.; Huang, R. G.; Ianni, An.; Imbert, L.; Johnston, J.; Juillard, A.; Karapetrov, G.; Keppel, G.; Khalife, H.; Kobychev, V.; Kolomensky, Yu. G.; Коновалов, С. И.; Liu, Y.; Loaiza, P.; Ma, L.; Madhukuttan, M.; Mancarella, F.; Mariam, R.; Marini, L.; Marnieros, S.; Martinez, M.; Maruyama, R.; Mauri, B.; Mayer, D.; Mei, Y.; Milana, Silvia; Misiak, D.; Napolitano, T.; Nastasi, M.; Navick, X. F.; Nikkel, J.; Nipoti, Roberta; Nisi, S.; Nones, C.; Norman, E. B.; Novosad, V.; Nutini, I.; O’Donnell, T.; Olivier, G.; Olivieri, E.; Oriol, C.; Ouellet, J. L.; Pagan, S.; Pagliarone, C.; Pagnanini, L.; Pari, P.; Pattavina, L.; Paul, Biswajit; Pavan, M.; Peng, H.; Pessina, G.; Pettinacci, V.; Pira, C.; Pirro, S.; Poda, D.V.; Polakovic, Tomas; Polischuk, O. G.; Pozzi, S.; Previtali, E.; Puiu, A.; Ressa, A.; Reynet, D.; Rizzoli, R.; Rosenfeld, C.; Sanglard, V.; Scarpaci, J. A.; Schmidt, Ben; Sharma, V.; Shlegel, V.N.; Singh, V.; Sisti, M.; Speller, D.; Surukuchi, P. T.; Taffarello, L.; Tellier, Olivier; Tomei, C.; Tretyak, V. I.; Tsymbaliuk, A.; Velázquez, M.; Vetter, K.; Wagaarachchi, S. L.; Wang, G.; Wang, L.; Welliver, B.; Wilson, John E.; Wilson, K.; Winslow, L. A.; Xue, M.; Liu, Yan; Yang, Jijun; Yefremenko, V.; Yumatov, V.; Zarytskyy, M. M.; Zhang, J.; Zolotarova, A.; Zucchelli, S.

doi:10.1088/1748-0221/16/02/p02037

Cited by 24 publications

(39 citation statements)

References 38 publications

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“…We evaluated the baseline resolution as done for the LDs, with a result between 0.52 and 0.95 keV RMS depending on the LMO detector, with an overall average of (0.69 ± 0.06) keV RMS. The obtained performance is in agreement with previous cubic LMO detectors tested in the same facility [58] and consistent with cylindrical and cubic LMO detectors operated in similar conditions [49,56,60]. We evaluated the energy resolution at different energies by fitting the most intense γ peaks in the sum spectrum of the 8 LMO crystals (Fig.…”

Section: General Performancessupporting

confidence: 87%

“…Concerning the heat channel, a further improvement of the pulses amplitude estimation was possible through a thermal gain correction. Unlike the LDs, which exhibit typical resolutions of ∼1% [60], the heat channels are expected to reach a resolution of a few ∼0.1%.…”

Section: Discussionmentioning

confidence: 99%

“…CUPID-Mo operated at Laboratoire Souterrain de Modane (LSM) from early 2019 to mid 2020, proving the excellent radiopurity, energy resolution and α particles rejection achieved with cylindrical crystals of Li 2 100 MoO 4 (LMO), the compound chosen for CU-PID. The ongoing R&D measurements at the LNGS [58,59] and at the Canfranc laboratories [60] aim to optimize the detector features and design for the CUPID experiment. In this work we propose a new mechanical structure for the assembly of the CUPID baseline detector module and present its performance.…”

Section: Introductionmentioning

confidence: 99%

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Optimization of the first CUPID detector module

Armatol,

Augier,

Avignone

et al. 2022

Preprint

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Section: General Performancessupporting

confidence: 87%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Optimization of the first CUPID detector module

Armatol,

Augier,

Avignone

et al. 2022

Preprint

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“…For example, in the analysis of CUORE data [30], delayed coincidences could help to better constrain the background sources [31] and to reject the time-correlated events falling in the region of interest. Moreover, the R&D activities for CUPID [32,33], CUPID-Mo [34][35][36], and in general the experiments searching for rare events can profit from this technique to study the radioactive contaminations of detector components and to select ultra-pure materials, with also the possibility to analyze other decay sequences in 238 U, 232 Th and 235 U chains [37]. Finally, the analysis of delayed coinci-dences in CUPID-0 allowed to measure the half-life of 216 Po [38].…”

Section: Discussionmentioning

confidence: 99%

Background identification in cryogenic calorimeters through $$\alpha -\alpha $$ delayed coincidences

et al. 2021

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Localization and modeling of radioactive contaminations is a challenge that ultra-low background experiments are constantly facing. These are fundamental steps both to extract scientific results and to further reduce the background of the detectors. Here we present an innovative technique based on the analysis of $$\alpha -\alpha $$ α - α delayed coincidences in $${}^{232}$$ 232 Th and $${}^{238}$$ 238 U decay chains, developed to investigate the contaminations of the ZnSe crystals in the CUPID-0 experiment. This method allows to disentangle surface and bulk contaminations of the detectors relying on the different probability to tag delayed coincidences as function of the $$\alpha $$ α decay position.

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“…With the Li 100 2 MoO 4 technology well established, demonstrating an energy resolution of ∼5 keV FWHM [119] in the region of interest, ultra-low contamination levels (<3 𝜇Bq/kg both in thorium and uranium) and high reproducibility, the scintillating calorimeteric technique is ready to be expanded to a tonne-scale mass. Several activities are ongoing to finalize the detector design [126,127]. The CUORE cryostat is the natural choice to host the CUPID detector.…”

Section: Neutrinoless Double Beta Decay: the Cuore Upgrade With Parti...mentioning

confidence: 99%

CUORE Opens the Door to Tonne-scale Cryogenics Experiments

Adams,

Alduino,

Alessandria

et al. 2021

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The past few decades have seen major developments in the design and operation of cryogenic particle detectors. This technology offers an extremely good energy resolution -comparable to semiconductor detectors -and a wide choice of target materials, making low temperature calorimetric detectors ideal for a variety of particle physics applications. Rare event searches have continued to require ever greater exposures, which has driven them to ever larger cryogenic detectors, with the CUORE experiment being the first to reach a tonne-scale, mK-cooled, experimental mass. CUORE, designed to search for neutrinoless double beta decay, has been operational since 2017 at a temperature of about 10 mK. This result has been attained by the use of an unprecedentedly large cryogenic infrastructure called the CUORE cryostat: conceived, designed and commissioned for this purpose.In this article the main characteristics and features of the cryogenic facility developed for the CUORE experiment are highlighted. A brief introduction of the evolution of the field and of the past cryogenic facilities are given. The motivation behind the design and development of the CUORE cryogenic facility is detailed as are the steps taken toward realization, commissioning, and operation of the CUORE cryostat. The major challenges overcome by the collaboration and the solutions implemented throughout the building of the cryogenic facility will be discussed along with the potential improvements for future facilities.The success of CUORE has opened the door to a new generation of large-scale cryogenic facilities in numerous fields of science. Broader implications of the incredible feat achieved by the CUORE collaboration on the future cryogenic facilities in various fields ranging from neutrino and dark matter experiments to quantum computing will be examined.

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A CUPID Li₂¹⁰⁰MoO₄ scintillating bolometer tested in the CROSS underground facility

Cited by 24 publications

References 38 publications

Optimization of the first CUPID detector module

Optimization of the first CUPID detector module

Background identification in cryogenic calorimeters through $$\alpha -\alpha $$ delayed coincidences

CUORE Opens the Door to Tonne-scale Cryogenics Experiments

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