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1. Low-energy spectrum of the BULLKID detector array operated on surface

Author: D. Delicato, A. Ahmad, L. Bandiera, M. Calvo, M. Cappelli, G. Del Castello, M. del Gallo Roccagiovine, M. Giammei, V. Guidi, D. Maiello, V. Pettinacci, M. Romagnoni, M. Tamisari, A. Cruciani, A. Mazzolari, A. Monfardini, and M. Vignati
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract We present the first continuous operation in a surface lab of BULLKID, a detector for searches of light Dark Matter and precision measurements of the coherent and elastic neutrino-nucleus scattering. The detector consists of an array of 60 cubic silicon particle absorbers of 0.34 g each, sensed by cryogenic kinetic inductance detectors. The data presented focusses on one of the central elements of the array and on its surrounding elements used as veto. The energy spectrum resulting from an exposure of 39 h to ambient backgrounds, obtained without radiation shields, is flat at the level of $$(2.0\pm 0.1\,\mathrm{stat.}\pm 0.2\,\mathrm{syst.})\times 10^6$$ ( 2.0 ± 0.1 stat . ± 0.2 syst . ) × 10 6 counts/keV kg days down to the energy threshold of $$160\pm 13$$ 160 ± 13 eV. The data analysis demonstrates the unique capability of rejecting backgrounds generated from interactions in other sites of the array, stemming from the segmented and monolithic structure of the detector.
Published: 2024
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2. A plastic scintillation muon veto for sub-Kelvin temperatures

Author: A. Erhart, V. Wagner, A. Wex, C. Goupy, D. Lhuillier, E. Namuth, C. Nones, R. Rogly, V. Savu, M. Schwarz, R. Strauss, M. Vivier, H. Abele, G. Angloher, A. Bento, J. Burkhart, L. Canonica, F. Cappella, N. Casali, R. Cerulli, A. Cruciani, G. del Castello, M. del Gallo Roccagiovine, A. Doblhammer, S. Dorer, M. Friedl, A. Garai, V. M. Ghete, D. Hauff, F. Jeanneau, E. Jericha, M. Kaznacheeva, A. Kinast, H. Kluck, A. Langenkämper, T. Lasserre, M. Mancuso, R. Martin, B. Mauri, A. Mazzolari, E. Mazzucato, H. Neyrial, L. Oberauer, T. Ortmann, L. Pattavina, L. Peters, F. Petricca, W. Potzel, F. Pröbst, F. Pucci, F. Reindl, M. Romagnoni, J. Rothe, N. Schermer, J. Schieck, S. Schönert, C. Schwertner, L. Scola, G. Soum-Sidikov, L. Stodolsky, M. Tamisari, C. Tomei, and M. Vignati
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract Rare-event search experiments located on-surface, such as short-baseline reactor neutrino experiments, are often limited by muon-induced background events. Highly efficient muon vetos are essential to reduce the detector background and to reach the sensitivity goals. We demonstrate the feasibility of deploying organic plastic scintillators at sub-Kelvin temperatures. For the NUCLEUS experiment, we developed a cryogenic muon veto equipped with wavelength shifting fibers and a silicon photo multiplier operating inside a dilution refrigerator. The achievable compactness of cryostat-internal integration is a key factor in keeping the muon rate to a minimum while maximizing coverage. The thermal and light output properties of a plastic scintillation detector were examined. We report first data on the thermal conductivity and heat capacity of the polystyrene-based scintillator UPS-923A over a wide range of temperatures extending below one Kelvin. The light output was measured down to 0.8 K and observed to increase by a factor of 1.61 ± 0.05 compared to 300 K. The development of an organic plastic scintillation muon veto operating in sub-Kelvin temperature environments opens new perspectives for rare-event searches with cryogenic detectors at sites lacking substantial overburden.
Published: 2024
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3. Disentangling the sources of ionizing radiation in superconducting qubits

Author: L. Cardani, I. Colantoni, A. Cruciani, F. De Dominicis, G. D’Imperio, M. Laubenstein, A. Mariani, L. Pagnanini, S. Pirro, C. Tomei, N. Casali, F. Ferroni, D. Frolov, L. Gironi, A. Grassellino, M. Junker, C. Kopas, E. Lachman, C. R. H. McRae, J. Mutus, M. Nastasi, D. P. Pappas, R. Pilipenko, M. Sisti, V. Pettinacci, A. Romanenko, D. Van Zanten, M. Vignati, J. D. Withrow, and N. Z. Zhelev
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract Radioactivity was recently discovered as a source of decoherence and correlated errors for the real-world implementation of superconducting quantum processors. In this work, we measure levels of radioactivity present in a typical laboratory environment (from muons, neutrons, and $$\gamma $$ γ -rays emitted by naturally occurring radioactive isotopes) and in the most commonly used materials for the assembly and operation of state-of-the-art superconducting qubits. We present a GEANT-4 based simulation to predict the rate of impacts and the amount of energy released in a qubit chip from each of the mentioned sources. We finally propose mitigation strategies for the operation of next-generation qubits in a radio-pure environment.
Published: 2023
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4. A Numerical Methodology to Assess the Rollover Risk of a Generic Car- Caravan System in Different Driving Conditions

Author: A. Cioffi, F.F. Semeraro, A. Dellavedova, P. Schito, and M. Vignati
Subjects: Motor vehicles. Aeronautics. Astronautics, TL1-4050
Abstract: This research proposes a numerical methodology to assess the behavior of a car towing a generic caravan in crosswind conditions. Driving with crosswind can lead to dangerous situations. The vehicle can have stability issues and eventually crash. Different crosswind and vehicle velocities have been analysed using a car-caravan dynamic model with accurate aerodynamic loads. The forces generated by the action of the wind are calculated with CFD simulations and applied to the vehicle to perform dynamic simulations. Results show that also non-extreme crosswind condition could lead to dangerous situations.
Published: 2022
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5. Background identification in cryogenic calorimeters through $$\alpha -\alpha $$ α - α delayed coincidences

Author: O. Azzolini, J. W. Beeman, F. Bellini, M. Beretta, M. Biassoni, C. Brofferio, C. Bucci, S. Capelli, L. Cardani, P. Carniti, N. Casali, D. Chiesa, M. Clemenza, O. Cremonesi, A. Cruciani, I. Dafinei, A. D’Addabbo, S. Di Domizio, F. Ferroni, L. Gironi, A. Giuliani, P. Gorla, C. Gotti, G. Keppel, M. Martinez, S. Nagorny, M. Nastasi, S. Nisi, C. Nones, D. Orlandi, L. Pagnanini, M. Pallavicini, L. Pattavina, M. Pavan, G. Pessina, V. Pettinacci, S. Pirro, S. Pozzi, E. Previtali, A. Puiu, C. Rusconi, K. Schäffner, C. Tomei, M. Vignati, and A. Zolotarova
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract 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.
Published: 2021
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6. Search for double-beta decay of $$\mathrm {^{130}Te}$$ 130 Te to the $$0^+$$ 0 + states of $$\mathrm {^{130}Xe}$$ 130 Xe with CUORE

Author: D. Q. Adams, C. Alduino, K. Alfonso, F. T. III Avignone, O. Azzolini, G. Bari, F. Bellini, G. Benato, M. Biassoni, A. Branca, C. Brofferio, C. Bucci, J. Camilleri, A. Caminata, A. Campani, L. Canonica, X. G. Cao, S. Capelli, L. Cappelli, L. Cardani, P. Carniti, N. Casali, E. Celi, D. Chiesa, M. Clemenza, S. Copello, C. Cosmelli, O. Cremonesi, R. J. Creswick, A. D’Addabbo, I. Dafinei, C. J. Davis, S. Dell’Oro, S. Di Domizio, V. Dompè, D. Q. Fang, G. Fantini, M. Faverzani, E. Ferri, F. Ferroni, E. Fiorini, M. A. Franceschi, S. J. Freedman, S. H. Fu, B. K. Fujikawa, A. Giachero, L. Gironi, A. Giuliani, P. Gorla, C. Gotti, T. D. Gutierrez, K. Han, K. M. Heeger, R. G. Huang, H. Z. Huang, J. Johnston, G. Keppel, Yu. G. Kolomensky, C. Ligi, L. Ma, Y. G. Ma, L. Marini, R. H. Maruyama, D. Mayer, Y. Mei, N. Moggi, S. Morganti, T. Napolitano, M. Nastasi, J. Nikkel, C. Nones, E. B. Norman, A. Nucciotti, I. Nutini, T. O’Donnell, J. L. Ouellet, S. Pagan, C. E. Pagliarone, L. Pagnanini, M. Pallavicini, L. Pattavina, M. Pavan, G. Pessina, V. Pettinacci, C. Pira, S. Pirro, S. Pozzi, E. Previtali, A. Puiu, C. Rosenfeld, C. Rusconi, M. Sakai, S. Sangiorgio, B. Schmidt, N. D. Scielzo, V. Sharma, V. Singh, M. Sisti, D. Speller, P. T. Surukuchi, L. Taffarello, F. Terranova, C. Tomei, K. J. Vetter, M. Vignati, S. L. Wagaarachchi, B. S. Wang, B. Welliver, J. Wilson, K. Wilson, L. A. Winslow, S. Zimmermann, and S. Zucchelli
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract The CUORE experiment is a large bolometric array searching for the lepton number violating neutrino-less double beta decay ( $$0\nu \beta \beta $$ 0 ν β β ) in the isotope $$\mathrm {^{130}Te}$$ 130 Te . In this work we present the latest results on two searches for the double beta decay (DBD) of $$\mathrm {^{130}Te}$$ 130 Te to the first $$0^{+}_2$$ 0 2 + excited state of $$\mathrm {^{130}Xe}$$ 130 Xe : the $$0\nu \beta \beta $$ 0 ν β β decay and the Standard Model-allowed two-neutrinos double beta decay ( $$2\nu \beta \beta $$ 2 ν β β ). Both searches are based on a 372.5 kg $$\times $$ × yr TeO $$_2$$ 2 exposure. The de-excitation gamma rays emitted by the excited Xe nucleus in the final state yield a unique signature, which can be searched for with low background by studying coincident events in two or more bolometers. The closely packed arrangement of the CUORE crystals constitutes a significant advantage in this regard. The median limit setting sensitivities at 90% Credible Interval (C.I.) of the given searches were estimated as $$\mathrm {S^{0\nu }_{1/2} = 5.6 \times 10^{24} \, \mathrm {yr}}$$ S 1 / 2 0 ν = 5.6 × 10 24 yr for the $${0\nu \beta \beta }$$ 0 ν β β decay and $$\mathrm {S^{2\nu }_{1/2} = 2.1 \times 10^{24} \, \mathrm {yr}}$$ S 1 / 2 2 ν = 2.1 × 10 24 yr for the $${2\nu \beta \beta }$$ 2 ν β β decay. No significant evidence for either of the decay modes was observed and a Bayesian lower bound at $$90\%$$ 90 % C.I. on the decay half lives is obtained as: $$\mathrm {(T_{1/2})^{0\nu }_{0^+_2} > 5.9 \times 10^{24} \, \mathrm {yr}}$$ ( T 1 / 2 ) 0 2 + 0 ν > 5.9 × 10 24 yr for the $$0\nu \beta \beta $$ 0 ν β β mode and $$\mathrm {(T_{1/2})^{2\nu }_{0^+_2} > 1.3 \times 10^{24} \, \mathrm {yr}}$$ ( T 1 / 2 ) 0 2 + 2 ν > 1.3 × 10 24 yr for the $$2\nu \beta \beta $$ 2 ν β β mode. These represent the most stringent limits on the DBD of $$^{130}$$ 130 Te to excited states and improve by a factor $$\sim 5$$ ∼ 5 the previous results on this process.
Published: 2021
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7. Final results of CALDER: kinetic inductance light detectors to search for rare events

Author: L. Cardani, N. Casali, I. Colantoni, A. Cruciani, S. Di Domizio, M. Martinez, V. Pettinacci, G. Pettinari, and M. Vignati
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract The next generation of bolometric experiments searching for rave events, in particular for the neutrino-less double beta decay, needs fast, high-sensitivity and easy-to-scale cryogenic light detectors. The CALDER project (2014–2020) developed a new technology for light detection at cryogenic temperature. In this paper we describe the achievements and the final prototype of this project, consisting of a $$5\times 5~\hbox {cm}^2$$ 5 × 5 cm 2 , $$650~\upmu \text {m}$$ 650 μ m thick silicon substrate coupled to a single kinetic inductance detector made of a three-layer aluminum-titanium-aluminum. The baseline energy resolution is $$34\pm 1$$ 34 ± 1 (stat) $$\pm 2$$ ± 2 (syst) eV RMS and the response time is $$120~\upmu $$ 120 μ s. These features, along with the natural multiplexing capability of kinetic inductance detectors, meet the requirements of future large-scale experiments.
Published: 2021
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8. Reducing the impact of radioactivity on quantum circuits in a deep-underground facility

Author: L. Cardani, F. Valenti, N. Casali, G. Catelani, T. Charpentier, M. Clemenza, I. Colantoni, A. Cruciani, G. D’Imperio, L. Gironi, L. Grünhaupt, D. Gusenkova, F. Henriques, M. Lagoin, M. Martinez, G. Pettinari, C. Rusconi, O. Sander, C. Tomei, A. V. Ustinov, M. Weber, W. Wernsdorfer, M. Vignati, S. Pirro, and I. M. Pop
Subjects: Science
Abstract: Background radiation has been identified as a key factor limiting the coherence times of superconducting circuits. Here, the authors measure the impact of environmental and cosmic radiation on a superconducting resonator with varying degrees of shielding, including an underground facility.
Published: 2021
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9. Search for double $$\beta $$ β -decay modes of $$^{64}$$ 64 Zn using purified zinc

Author: F. Bellini, M. Beretta, L. Cardani, P. Carniti, N. Casali, E. Celi, D. Chiesa, M. Clemenza, I. Dafinei, S. Di Domizio, F. Ferroni, L. Gironi, Yu. V. Gorbenko, C. Gotti, G. P. Kovtun, M. Laubenstein, S. Nagorny, S. Nisi, L. Pagnanini, L. Pattavina, G. Pessina, S. Pirro, E. Previtali, C. Rusconi, K. Schäffner, A. P. Shcherban, D. A. Solopikhin, V. D. Virich, C. Tomei, and M. Vignati
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract The production of ultra-pure raw material is a crucial step to ensure the required background level in rare event searches. In this work, we establish an innovative technique developed to produce high-purity (99.999%) granular zinc. We demonstrate the effectiveness of the refining procedure by measuring the internal contaminations of the purified zinc with a high-purity germanium detector at the Laboratori Nazionali del Gran Sasso. The total activity of cosmogenic activated nuclides is measured at the level of a few mBq/kg, as well as limits on naturally occurring radionuclides are set to less than mBq/kg. The excellent radiopurity of the zinc sample allows us to search for electron capture with positron emission and neutrinoless double electron capture of $$^{64}$$ 64 Zn, setting the currently most stringent lower limits on their half-lives, $$T_{1/2}^{\varepsilon \beta ^+} > 2.7\times 10^{21}~\text {year}$$ T 1 / 2 ε β + > 2.7 × 10 21 year (90% CI), and $$T_{1/2}^{0\nu 2\varepsilon }> 2.6\times 10^{21}~\text {year}$$ T 1 / 2 0 ν 2 ε > 2.6 × 10 21 year (90% CI), respectively.
Published: 2021
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10. Search for neutrinoless double beta decay of $$^{64}$$ 64 Zn and $$^{70}$$ 70 Zn with CUPID-0

Author: O. Azzolini, J. W. Beeman, F. Bellini, M. Beretta, M. Biassoni, C. Brofferio, C. Bucci, S. Capelli, L. Cardani, E. Celi, P. Carniti, N. Casali, D. Chiesa, M. Clemenza, O. Cremonesi, A. Cruciani, A. D’Addabbo, I. Dafinei, S. Di Domizio, F. Ferroni, L. Gironi, A. Giuliani, P. Gorla, C. Gotti, G. Keppel, M. Martinez, S. Nagorny, M. Nastasi, S. Nisi, C. Nones, D. Orlandi, L. Pagnanini, M. Pallavicini, L. Pattavina, M. Pavan, G. Pessina, V. Pettinacci, S. Pirro, S. Pozzi, E. Previtali, A. Puiu, C. Rusconi, K. Schäffner, C. Tomei, M. Vignati, and A. Zolotarova
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract CUPID-0 is the first pilot experiment of CUPID, a next-generation project searching for neutrinoless double beta decay. In its first scientific run, CUPID-0 operated 26 ZnSe cryogenic calorimeters coupled to light detectors in the underground Laboratori Nazionali del Gran Sasso. In this work, we analyzed a ZnSe exposure of 11.34 kg year to search for the neutrinoless double beta decay of $$^{70}$$ 70 Zn and for the neutrinoless positron-emitting electron capture of $$^{64}$$ 64 Zn. We found no evidence for these decays and set 90$$\%$$ % credible interval limits of $$\hbox {T}_{1/2}^{0\nu \beta \beta }$$ T1/20νββ ($$^{70}$$ 70 Zn) > 1.6 $$10^{21}$$ 1021 year and $$\hbox {T}_{1/2}^{0\nu EC \beta +}$$ T1/20νECβ+ ($$^{64}$$ 64 Zn) > 1.2$$\times 10^{22}$$ ×1022 year, surpassing by more than one order of magnitude the previous experimental results (Belli et al. in J Phys G 38(11):115107, https://doi.org/10.1088/0954-3899/38/11/115107, 2011).
Published: 2020
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11. Measurement of 216Po half-life with the CUPID-0 experiment

Author: O. Azzolini, J.W. Beeman, F. Bellini, M. Beretta, M. Biassoni, C. Brofferio, C. Bucci, S. Capelli, L. Cardani, P. Carniti, V. Caracciolo, N. Casali, D. Chiesa, M. Clemenza, I. Colantoni, O. Cremonesi, A. Cruciani, I. Dafinei, A. D'Addabbo, S. Di Domizio, F. Ferroni, L. Gironi, A. Giuliani, P. Gorla, C. Gotti, G. Keppel, M. Martinez, S. Nagorny, M. Nastasi, S. Nisi, C. Nones, D. Orlandi, L. Pagnanini, M. Pallavicini, L. Pattavina, M. Pavan, G. Pessina, V. Pettinacci, S. Pirro, S. Pozzi, E. Previtali, A. Puiu, C. Rusconi, K. Schäffner, C. Tomei, M. Vignati, and A. Zolotarova
Subjects: Half-life measurement, Delayed coincidence, Cryogenic calorimeters, Physics, QC1-999
Abstract: Rare event physics demands very detailed background control, high-performance detectors, and custom analysis strategies. Cryogenic calorimeters combine all these ingredients very effectively, representing a promising tool for next-generation experiments. CUPID-0 is one of the most advanced examples of such a technique, having demonstrated its potential with several results obtained with limited exposure. In this paper, we present a further application. Exploiting the analysis of delayed coincidence, we can identify the signals caused by the 220Rn-216Po decay sequence on an event-by-event basis. The analysis of these events allows us to extract the time differences between the two decays, leading to a new evaluation of 216Po half-life, estimated as (143.3±2.8) ms.
Published: 2021
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12. Double-beta decay of $$^{130}\hbox {Te}$$ 130Te to the first $$0^+$$ 0+ excited state of $$^{130}\hbox {Xe}$$ 130Xe with CUORE-0

Author: C. Alduino, K. Alfonso, D. R. Artusa, F. T. Avignone III, O. Azzolini, T. I. Banks, G. Bari, J. W. Beeman, F. Bellini, A. Bersani, M. Biassoni, C. Brofferio, C. Bucci, A. Camacho, A. Caminata, L. Canonica, X. G. Cao, S. Capelli, L. Cappelli, L. Carbone, L. Cardani, P. Carniti, N. Casali, L. Cassina, D. Chiesa, N. Chott, M. Clemenza, S. Copello, C. Cosmelli, O. Cremonesi, R. J. Creswick, J. S. Cushman, A. D’Addabbo, I. Dafinei, C. J. Davis, S. Dell’Oro, M. M. Deninno, S. Di Domizio, M. L. Di Vacri, A. Drobizhev, D. Q. Fang, M. Faverzani, J. Feintzeig, G. Fernandes, E. Ferri, F. Ferroni, E. Fiorini, M. A. Franceschi, S. J. Freedman, B. K. Fujikawa, A. Giachero, L. Gironi, A. Giuliani, L. Gladstone, P. Gorla, C. Gotti, T. D. Gutierrez, E. E. Haller, K. Han, E. Hansen, K. M. Heeger, R. Hennings-Yeomans, K. P. Hickerson, H. Z. Huang, R. Kadel, G. Keppel, Yu. G. Kolomensky, A. Leder, C. Ligi, K. E. Lim, X. Liu, Y. G. Ma, M. Maino, L. Marini, M. Martinez, R. H. Maruyama, Y. Mei, N. Moggi, S. Morganti, P. J. Mosteiro, T. Napolitano, C. Nones, E. B. Norman, A. Nucciotti, T. O’Donnell, F. Orio, J. L. Ouellet, C. E. Pagliarone, M. Pallavicini, V. Palmieri, L. Pattavina, M. Pavan, G. Pessina, V. Pettinacci, G. Piperno, C. Pira, S. Pirro, S. Pozzi, E. Previtali, C. Rosenfeld, C. Rusconi, S. Sangiorgio, D. Santone, N. D. Scielzo, V. Singh, M. Sisti, A. R. Smith, L. Taffarello, M. Tenconi, F. Terranova, C. Tomei, S. Trentalange, M. Vignati, S. L. Wagaarachchi, B. S. Wang, H. W. Wang, J. Wilson, L. A. Winslow, T. Wise, A. Woodcraft, L. Zanotti, G. Q. Zhang, B. X. Zhu, S. Zimmermann, and S. Zucchelli
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract We report on a search for double beta decay of $$^{130}\hbox {Te}$$ 130Te to the first $$0^{+}$$ 0+ excited state of $$^{130}\hbox {Xe}$$ 130Xe using a $$9.8\,\hbox {kg}\cdot \hbox {yr}$$ 9.8kg·yr exposure of $$^{130}\hbox {Te}$$ 130Te collected with the CUORE-0 experiment. In this work we exploit different topologies of coincident events to search for both the neutrinoless and two-neutrino double beta decay modes. We find no evidence for either mode and place lower bounds on the half-lives: $$T^{0\nu }_{0^+_1}>7.9\cdot 10^{23}\hbox {yr}$$ T01+0ν>7.9·1023yr and $$T^{2\nu }_{0^+_1}>2.4\cdot 10^{23}\hbox {yr}$$ T01+2ν>2.4·1023yr ($$90\%\,\hbox {CL}$$ 90%CL ). Combining our results with those obtained by the CUORICINO experiment, we achieve the most stringent constraints available for these processes: $$T^{0\nu }_{0^+_1}>1.4\cdot 10^{24}\hbox {yr}$$ T01+0ν>1.4·1024yr and $$T^{2\nu }_{0^+_1}>2.5\cdot 10^{23}\hbox {yr}$$ T01+2ν>2.5·1023yr ($$90\%\,\hbox {CL}$$ 90%CL ).
Published: 2019
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13. Phonon and light read out of a $$\hbox {Li}_{2}\hbox {MoO}_{4}$$ Li2MoO4 crystal with multiplexed kinetic inductance detectors

Author: N. Casali, L. Cardani, I. Colantoni, A. Cruciani, S. Di Domizio, M. Martinez, G. Pettinari, and M. Vignati
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract Molybdenum based crystals such as $$\hbox {Li}_{2}\hbox {MoO}_{4}$$ Li2MoO4 and CaMoO$$_4$$ 4 are emerging as leading candidates for next generation experiments searching for neutrino-less double beta decay with cryogenic calorimeters (CUPID, AMoRE). The exquisite energy resolution and high radio-purity of these crystals come at the cost of a potentially detrimental background source: the two neutrinos double beta decay of $$^{100}$$ 100 Mo. Indeed, the fast half-life of this decay mode, combined with the slow response of cryogenic calorimeters, would result in pile-up events in the energy region of interest for neutrino-less double beta decay, reducing the experimental sensitivity. This background can be suppressed using fast and high sensitivity cryogenic light detectors, provided that the scintillation time constant itself does not limit the time resolution. We developed a new detection technique exploiting the high sensitivity, the fast time response and the multiplexing capability of Kinetic Inductance Detectors. We applied the proposed technique to a $$2\times 2\times 2$$ 2×2×2 cm$$^3$$ 3 $$\hbox {Li}_{2}\hbox {MoO}_{4}$$ Li2MoO4 crystal, which was chosen as baseline option for CUPID. We measured simultaneously both the phonon and scintillation signals with KIDs. We derived the scintillation time constant of this compound at millikelvin temperatures obtaining $$\tau _{scint} = 84.5\pm 4.5\mathrm {(syst)}\pm 1.0\mathrm {(stat)}$$ τscint=84.5±4.5(syst)±1.0(stat) $$\mu $$ μ s, constant between 10 and 190 mK.
Published: 2019
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14. Coherent elastic nuclear scattering of $$^{51}$$ 51 Cr neutrinos

Author: C. Bellenghi, D. Chiesa, L. Di Noto, M. Pallavicini, E. Previtali, and M. Vignati
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract Searches for new physics in the coherent elastic neutrino-nucleus scattering require a precise knowledge of the neutrino flux and energy spectrum. In this paper we investigate the feasibility and the performance of an experiment based on a $$^{51}$$ 51 Cr source, whose neutrino spectrum is known and whose activity can be heat-monitored at few permil level. With a 5 MCi source placed at $$\sim 25$$ ∼25 cm from the detector, under an exposure of two $$^{51}$$ 51 Cr half-lives (55.4 days), we evaluate 3900 (900) counts on a 2000 cm$$^3$$ 3 target of germanium (sapphire) featuring an energy threshold of 8 (20) eV. To further increase the exposure, multiple activations of the same source could be possible.
Published: 2019
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15. Background model of the CUPID-0 experiment

Author: O. Azzolini, J. W. Beeman, F. Bellini, M. Beretta, M. Biassoni, C. Brofferio, C. Bucci, S. Capelli, L. Cardani, P. Carniti, N. Casali, D. Chiesa, M. Clemenza, O. Cremonesi, A. Cruciani, I. Dafinei, S. Di Domizio, F. Ferroni, L. Gironi, A. Giuliani, P. Gorla, C. Gotti, G. Keppel, M. Martinez, S. Nagorny, M. Nastasi, S. Nisi, C. Nones, D. Orlandi, L. Pagnanini, M. Pallavicini, L. Pattavina, M. Pavan, G. Pessina, V. Pettinacci, S. Pirro, S. Pozzi, E. Previtali, A. Puiu, C. Rusconi, K. Schäffner, C. Tomei, M. Vignati, and A. Zolotarova
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract CUPID-0 is the first large mass array of enriched Zn$$^{82}$$ 82 Se scintillating low temperature calorimeters, operated at LNGS since 2017. During its first scientific runs, CUPID-0 collected an exposure of 9.95 kg year. Thanks to the excellent rejection of $$\alpha $$ α particles, we attained the lowest background ever measured with thermal detectors in the energy region where we search for the signature of $$^{82}\hbox {Se}$$ 82Se neutrinoless double beta decay. In this work we develop a model to reconstruct the CUPID-0 background over the whole energy range of experimental data. We identify the background sources exploiting their distinctive signatures and we assess their extremely low contribution [down to $$\sim 10^{-4}$$ ∼10-4 counts/(keV kg year)] in the region of interest for $$^{82}\hbox {Se}$$ 82Se neutrinoless double beta decay search. This result represents a crucial step towards the comprehension of the background in experiments based on scintillating calorimeters and in next generation projects such as CUPID.
Published: 2019
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16. Search of the neutrino-less double beta decay of $$^{82}$$ 82 Se into the excited states of $$^{82}$$ 82 Kr with CUPID-0

Author: O. Azzolini, M. T. Barrera, J. W. Beeman, F. Bellini, M. Beretta, M. Biassoni, E. Bossio, C. Brofferio, C. Bucci, L. Canonica, S. Capelli, L. Cardani, P. Carniti, N. Casali, L. Cassina, M. Clemenza, O. Cremonesi, A. Cruciani, A. D’Addabbo, I. Dafinei, S. Di Domizio, F. Ferroni, L. Gironi, A. Giuliani, P. Gorla, C. Gotti, G. Keppel, M. Martinez, S. Morganti, S. Nagorny, M. Nastasi, S. Nisi, C. Nones, D. Orlandi, L. Pagnanini, M. Pallavicini, V. Palmieri, L. Pattavina, M. Pavan, G. Pessina, V. Pettinacci, S. Pirro, S. Pozzi, E. Previtali, A. Puiu, C. Rusconi, K. Schäffner, C. Tomei, M. Vignati, and A. Zolotarova
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract The CUPID-0 experiment searches for double beta decay using cryogenic calorimeters with double (heat and light) read-out. The detector, consisting of 24 ZnSe crystals 95$$\%$$ % enriched in $$^{82}$$ 82 Se and two natural ZnSe crystals, started data-taking in 2017 at Laboratori Nazionali del Gran Sasso. We present the search for the neutrino-less double beta decay of $$^{82}$$ 82 Se into the 0$$_1^+$$ 1+ , 2$$_1^+$$ 1+ and 2$$_2^+$$ 2+ excited states of $$^{82}$$ 82 Kr with an exposure of 5.74 kg$$\cdot $$ · yr (2.24$$\times $$ × 10$$^{25}$$ 25 emitters$$\cdot $$ · yr). We found no evidence of the decays and set the most stringent limits on the widths of these processes: $$\varGamma $$ Γ ($$^{82}$$ 82 Se $$\rightarrow ^{82}$$ →82 Kr$$_{0_1^+}$$ 01+ )8.55$$\times $$ × 10$$^{-24}$$ -24 yr$$^{-1}$$ -1 , $$\varGamma $$ Γ ($$^{82}$$ 82 Se $$\rightarrow ^{82}$$ →82 Kr $$_{2_1^+}$$ 21+ )$$\,{
Published: 2018
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17. Analysis of cryogenic calorimeters with light and heat read-out for double beta decay searches

Author: O. Azzolini, M. T. Barrera, J. W. Beeman, F. Bellini, M. Beretta, M. Biassoni, E. Bossio, C. Brofferio, C. Bucci, L. Canonica, S. Capelli, L. Cardani, P. Carniti, N. Casali, L. Cassina, M. Clemenza, O. Cremonesi, A. Cruciani, A. D’Addabbo, I. Dafinei, S. Di Domizio, F. Ferroni, L. Gironi, A. Giuliani, P. Gorla, C. Gotti, G. Keppel, M. Martinez, S. Morganti, S. Nagorny, M. Nastasi, S. Nisi, C. Nones, D. Orlandi, L. Pagnanini, M. Pallavicini, V. Palmieri, L. Pattavina, M. Pavan, G. Pessina, V. Pettinacci, S. Pirro, S. Pozzi, E. Previtali, A. Puiu, C. Rusconi, K. Schäffner, C. Tomei, M. Vignati, and A. Zolotarova
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract The suppression of spurious events in the region of interest for neutrinoless double beta decay will play a major role in next generation experiments. The background of detectors based on the technology of cryogenic calorimeters is expected to be dominated by $$\alpha $$ α particles, that could be disentangled from double beta decay signals by exploiting the difference in the emission of the scintillation light. CUPID-0, an array of enriched Zn$$^{82}$$ 82 Se scintillating calorimeters, is the first large mass demonstrator of this technology. The detector started data-taking in 2017 at the Laboratori Nazionali del Gran Sasso with the aim of proving that dual read-out of light and heat allows for an efficient suppression of the $$\alpha $$ α background. In this paper we describe the software tools we developed for the analysis of scintillating calorimeters and we demonstrate that this technology allows to reach an unprecedented background for cryogenic calorimeters.
Published: 2018
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18. CUPID-0: the first array of enriched scintillating bolometers for 0$$\nu \beta \beta $$ νββ decay investigations

Author: O. Azzolini, M. T. Barrera, J. W. Beeman, F. Bellini, M. Beretta, M. Biassoni, C. Brofferio, C. Bucci, L. Canonica, S. Capelli, L. Cardani, P. Carniti, N. Casali, L. Cassina, M. Clemenza, O. Cremonesi, A. Cruciani, A. D’Addabbo, I. Dafinei, S. Di Domizio, F. Ferroni, L. Gironi, A. Giuliani, P. Gorla, C. Gotti, G. Keppel, M. Martinez, S. Morganti, S. Nagorny, M. Nastasi, S. Nisi, C. Nones, D. Orlandi, L. Pagnanini, M. Pallavicini, V. Palmieri, L. Pattavina, M. Pavan, G. Pessina, V. Pettinacci, S. Pirro, S. Pozzi, E. Previtali, A. Puiu, F. Reindl, C. Rusconi, K. Schäffner, C. Tomei, M. Vignati, and A. Zolotarova
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract The CUPID-0 detector hosted at the Laboratori Nazionali del Gran Sasso, Italy, is the first large array of enriched scintillating cryogenic detectors for the investigation of $$^{82}$$ 82 Se neutrinoless double-beta decay ($$0\nu \beta \beta $$ 0νββ ). CUPID-0 aims at measuring a background index in the region of interest (RoI) for $$0\nu \beta \beta $$ 0νββ at the level of 10$$^{-3}$$ -3 counts/(keV kg years), the lowest value ever measured using cryogenic detectors. CUPID-0 operates an array of Zn$$^{82}$$ 82 Se scintillating bolometers coupled with bolometric light detectors, with a state of the art technology for background suppression and thorough protocols and procedures for the detector preparation and construction. In this paper, the different phases of the detector design and construction will be presented, from the material selection (for the absorber production) to the new and innovative detector structure. The successful construction of the detector lead to promising preliminary detector performance which is discussed here.
Published: 2018
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19. Low energy analysis techniques for CUORE

Author: C. Alduino, K. Alfonso, D. R. Artusa, F. T. Avignone, O. Azzolini, G. Bari, J. W. Beeman, F. Bellini, G. Benato, A. Bersani, M. Biassoni, A. Branca, C. Brofferio, C. Bucci, A. Camacho, A. Caminata, L. Canonica, X. G. Cao, S. Capelli, L. Cappelli, L. Cardani, P. Carniti, N. Casali, L. Cassina, D. Chiesa, N. Chott, M. Clemenza, S. Copello, C. Cosmelli, O. Cremonesi, R. J. Creswick, J. S. Cushman, A. D’Addabbo, D. D’Aguanno, I. Dafinei, C. J. Davis, S. Dell’Oro, M. M. Deninno, S. Di Domizio, M. L. Di Vacri, A. Drobizhev, D. Q. Fang, M. Faverzani, E. Ferri, F. Ferroni, E. Fiorini, M. A. Franceschi, S. J. Freedman, B. K. Fujikawa, A. Giachero, L. Gironi, A. Giuliani, L. Gladstone, P. Gorla, C. Gotti, T. D. Gutierrez, E. E. Haller, K. Han, E. Hansen, K. M. Heeger, R. Hennings-Yeomans, H. Z. Huang, R. Kadel, G. Keppel, Yu. G. Kolomensky, A. Leder, C. Ligi, K. E. Lim, Y. G. Ma, M. Maino, L. Marini, M. Martinez, R. H. Maruyama, Y. Mei, N. Moggi, S. Morganti, P. J. Mosteiro, T. Napolitano, M. Nastasi, C. Nones, E. B. Norman, V. Novati, A. Nucciotti, T. O’Donnell, J. L. Ouellet, C. E. Pagliarone, M. Pallavicini, V. Palmieri, L. Pattavina, M. Pavan, G. Pessina, G. Piperno, C. Pira, S. Pirro, S. Pozzi, E. Previtali, C. Rosenfeld, C. Rusconi, M. Sakai, S. Sangiorgio, D. Santone, B. Schmidt, J. Schmidt, N. D. Scielzo, V. Singh, M. Sisti, A. R. Smith, L. Taffarello, F. Terranova, C. Tomei, M. Vignati, S. L. Wagaarachchi, B. S. Wang, H. W. Wang, B. Welliver, J. Wilson, L. A. Winslow, T. Wise, A. Woodcraft, L. Zanotti, G. Q. Zhang, S. Zimmermann, and S. Zucchelli
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract CUORE is a tonne-scale cryogenic detector operating at the Laboratori Nazionali del Gran Sasso (LNGS) that uses tellurium dioxide bolometers to search for neutrinoless double-beta decay of $$^{130}$$ 130 Te. CUORE is also suitable to search for low energy rare events such as solar axions or WIMP scattering, thanks to its ultra-low background and large target mass. However, to conduct such sensitive searches requires improving the energy threshold to 10 keV. In this paper, we describe the analysis techniques developed for the low energy analysis of CUORE-like detectors, using the data acquired from November 2013 to March 2015 by CUORE-0, a single-tower prototype designed to validate the assembly procedure and new cleaning techniques of CUORE. We explain the energy threshold optimization, continuous monitoring of the trigger efficiency, data and event selection, and energy calibration at low energies in detail. We also present the low energy background spectrum of CUORE-0 below $$60 \, \mathrm {keV}$$ 60 keV . Finally, we report the sensitivity of CUORE to WIMP annual modulation using the CUORE-0 energy threshold and background, as well as an estimate of the uncertainty on the nuclear quenching factor from nuclear recoils inCUORE-0.
Published: 2017
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20. Development of $$^{100}\hbox {Mo}$$ 100 Mo -containing scintillating bolometers for a high-sensitivity neutrinoless double-beta decay search

Author: E. Armengaud, C. Augier, A. S. Barabash, J. W. Beeman, T. B. Bekker, F. Bellini, A. Benoît, L. Bergé, T. Bergmann, J. Billard, R. S. Boiko, A. Broniatowski, V. Brudanin, P. Camus, S. Capelli, L. Cardani, N. Casali, A. Cazes, M. Chapellier, F. Charlieux, D. M. Chernyak, M. de Combarieu, N. Coron, F. A. Danevich, I. Dafinei, M. De Jesus, L. Devoyon, S. Di Domizio, L. Dumoulin, K. Eitel, C. Enss, F. Ferroni, A. Fleischmann, N. Foerster, J. Gascon, L. Gastaldo, L. Gironi, A. Giuliani, V. D. Grigorieva, M. Gros, L. Hehn, S. Hervé, V. Humbert, N. V. Ivannikova, I. M. Ivanov, Y. Jin, A. Juillard, M. Kleifges, V. V. Kobychev, S. I. Konovalov, F. Koskas, V. Kozlov, H. Kraus, V. A. Kudryavtsev, M. Laubenstein, H. Le Sueur, M. Loidl, P. Magnier, E. P. Makarov, M. Mancuso, P. de Marcillac, S. Marnieros, C. Marrache-Kikuchi, S. Nagorny, X-F. Navick, M. O. Nikolaichuk, C. Nones, V. Novati, E. Olivieri, L. Pagnanini, P. Pari, L. Pattavina, M. Pavan, B. Paul, Y. Penichot, G. Pessina, G. Piperno, S. Pirro, O. Plantevin, D. V. Poda, E. Queguiner, T. Redon, M. Rodrigues, S. Rozov, C. Rusconi, V. Sanglard, K. Schäffner, S. Scorza, V. N. Shlegel, B. Siebenborn, O. Strazzer, D. Tcherniakhovski, C. Tomei, V. I. Tretyak, V. I. Umatov, L. Vagneron, Ya. V. Vasiliev, M. Velázquez, M. Vignati, M. Weber, E. Yakushev, and A. S. Zolotarova
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract This paper reports on the development of a technology involving $$^{100}\hbox {Mo}$$ 100 Mo -enriched scintillating bolometers, compatible with the goals of CUPID, a proposed next-generation bolometric experiment to search for neutrinoless double-beta decay. Large mass ( $$\sim 1~\hbox {kg}$$ ∼ 1 kg ), high optical quality, radiopure $$^{100}\hbox {Mo}$$ 100 Mo -containing zinc and lithium molybdate crystals have been produced and used to develop high performance single detector modules based on 0.2–0.4 kg scintillating bolometers. In particular, the energy resolution of the lithium molybdate detectors near the Q-value of the double-beta transition of $$^{100}\hbox {Mo}$$ 100 Mo (3034 keV) is 4–6 keV FWHM. The rejection of the $$\alpha $$ α -induced dominant background above 2.6 MeV is better than $$8\sigma $$ 8 σ . Less than $$10~\upmu \hbox {Bq/kg}$$ 10 μ Bq/kg activity of $$^{232}\hbox {Th}\, (^{228}\hbox {Th})$$ 232 Th ( 228 Th ) and $$^{226}\hbox {Ra}$$ 226 Ra in the crystals is ensured by boule recrystallization. The potential of $$^{100}\hbox {Mo}$$ 100 Mo -enriched scintillating bolometers to perform high sensitivity double-beta decay searches has been demonstrated with only $$10~\hbox {kg}\times \hbox {d}$$ 10 kg × d exposure: the two neutrino double-beta decay half-life of $$^{100}\hbox {Mo}$$ 100 Mo has been measured with the up-to-date highest accuracy as $$T_{1/2}$$ T 1 / 2 = [6.90 ± 0.15(stat.) ± 0.37(syst.)] $$\times ~10^{18}~\hbox {years}$$ × 10 18 years . Both crystallization and detector technologies favor lithium molybdate, which has been selected for the ongoing construction of the CUPID-0/Mo demonstrator, containing several kg of $$^{100}\hbox {Mo}$$ 100 Mo .
Published: 2017
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21. The projected background for the CUORE experiment

Author: C. Alduino, K. Alfonso, D. R. Artusa, F. T. Avignone, O. Azzolini, T. I. Banks, G. Bari, J. W. Beeman, F. Bellini, G. Benato, A. Bersani, M. Biassoni, A. Branca, C. Brofferio, C. Bucci, A. Camacho, A. Caminata, L. Canonica, X. G. Cao, S. Capelli, L. Cappelli, L. Carbone, L. Cardani, P. Carniti, N. Casali, L. Cassina, D. Chiesa, N. Chott, M. Clemenza, S. Copello, C. Cosmelli, O. Cremonesi, R. J. Creswick, J. S. Cushman, A. D’Addabbo, I. Dafinei, C. J. Davis, S. Dell’Oro, M. M. Deninno, S. Di Domizio, M. L. Di Vacri, A. Drobizhev, D. Q. Fang, M. Faverzani, G. Fernandes, E. Ferri, F. Ferroni, E. Fiorini, M. A. Franceschi, S. J. Freedman, B. K. Fujikawa, A. Giachero, L. Gironi, A. Giuliani, L. Gladstone, P. Gorla, C. Gotti, T. D. Gutierrez, E. E. Haller, K. Han, E. Hansen, K. M. Heeger, R. Hennings-Yeomans, K. P. Hickerson, H. Z. Huang, R. Kadel, G. Keppel, Yu. G. Kolomensky, A. Leder, C. Ligi, K. E. Lim, Y. G. Ma, M. Maino, L. Marini, M. Martinez, R. H. Maruyama, Y. Mei, N. Moggi, S. Morganti, P. J. Mosteiro, T. Napolitano, M. Nastasi, C. Nones, E. B. Norman, V. Novati, A. Nucciotti, T. O’Donnell, J. L. Ouellet, C. E. Pagliarone, M. Pallavicini, V. Palmieri, L. Pattavina, M. Pavan, G. Pessina, V. Pettinacci, G. Piperno, C. Pira, S. Pirro, S. Pozzi, E. Previtali, C. Rosenfeld, C. Rusconi, M. Sakai, S. Sangiorgio, D. Santone, B. Schmidt, J. Schmidt, N. D. Scielzo, V. Singh, M. Sisti, A. R. Smith, L. Taffarello, M. Tenconi, F. Terranova, C. Tomei, S. Trentalange, M. Vignati, S. L. Wagaarachchi, B. S. Wang, H. W. Wang, B. Welliver, J. Wilson, L. A. Winslow, T. Wise, A. Woodcraft, L. Zanotti, G. Q. Zhang, B. X. Zhu, S. Zimmermann, S. Zucchelli, and M. Laubenstein
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract The Cryogenic Underground Observatory for Rare Events (CUORE) is designed to search for neutrinoless double beta decay of $$^{130}$$ 130 Te with an array of 988 TeO $$_2$$ 2 bolometers operating at temperatures around 10 mK. The experiment is currently being commissioned in Hall A of Laboratori Nazionali del Gran Sasso, Italy. The goal of CUORE is to reach a 90% C.L. exclusion sensitivity on the $$^{130}$$ 130 Te decay half-life of 9 $$\times $$ × 10 $$^{25}$$ 25 years after 5 years of data taking. The main issue to be addressed to accomplish this aim is the rate of background events in the region of interest, which must not be higher than 10 $$^{-2}$$ - 2 counts/keV/kg/year. We developed a detailed Monte Carlo simulation, based on results from a campaign of material screening, radioassays, and bolometric measurements, to evaluate the expected background. This was used over the years to guide the construction strategies of the experiment and we use it here to project a background model for CUORE. In this paper we report the results of our study and our expectations for the background rate in the energy region where the peak signature of neutrinoless double beta decay of $$^{130}$$ 130 Te is expected.
Published: 2017
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22. CUORE sensitivity to $$0\nu \beta \beta $$ 0 ν β β decay

Author: C. Alduino, K. Alfonso, D. R. Artusa, F. T. Avignone, O. Azzolini, T. I. Banks, G. Bari, J. W. Beeman, F. Bellini, G. Benato, A. Bersani, M. Biassoni, A. Branca, C. Brofferio, C. Bucci, A. Camacho, A. Caminata, L. Canonica, X. G. Cao, S. Capelli, L. Cappelli, L. Carbone, L. Cardani, P. Carniti, N. Casali, L. Cassina, D. Chiesa, N. Chott, M. Clemenza, S. Copello, C. Cosmelli, O. Cremonesi, R. J. Creswick, J. S. Cushman, A. D’Addabbo, I. Dafinei, C. J. Davis, S. Dell’Oro, M. M. Deninno, S. Di Domizio, M. L. Di Vacri, A. Drobizhev, D. Q. Fang, M. Faverzani, G. Fernandes, E. Ferri, F. Ferroni, E. Fiorini, M. A. Franceschi, S. J. Freedman, B. K. Fujikawa, A. Giachero, L. Gironi, A. Giuliani, L. Gladstone, P. Gorla, C. Gotti, T. D. Gutierrez, E. E. Haller, K. Han, E. Hansen, K. M. Heeger, R. Hennings-Yeomans, K. P. Hickerson, H. Z. Huang, R. Kadel, G. Keppel, Yu. G. Kolomensky, A. Leder, C. Ligi, K. E. Lim, Y. G. Ma, M. Maino, L. Marini, M. Martinez, R. H. Maruyama, Y. Mei, N. Moggi, S. Morganti, P. J. Mosteiro, T. Napolitano, M. Nastasi, C. Nones, E. B. Norman, V. Novati, A. Nucciotti, T. O’Donnell, J. L. Ouellet, C. E. Pagliarone, M. Pallavicini, V. Palmieri, L. Pattavina, M. Pavan, G. Pessina, V. Pettinacci, G. Piperno, C. Pira, S. Pirro, S. Pozzi, E. Previtali, C. Rosenfeld, C. Rusconi, M. Sakai, S. Sangiorgio, D. Santone, B. Schmidt, J. Schmidt, N. D. Scielzo, V. Singh, M. Sisti, A. R. Smith, L. Taffarello, M. Tenconi, F. Terranova, C. Tomei, S. Trentalange, M. Vignati, S. L. Wagaarachchi, B. S. Wang, H. W. Wang, B. Welliver, J. Wilson, L. A. Winslow, T. Wise, A. Woodcraft, L. Zanotti, G. Q. Zhang, B. X. Zhu, S. Zimmermann, and S. Zucchelli
Subjects: Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract We report a study of the CUORE sensitivity to neutrinoless double beta ( $$0\nu \beta \beta $$ 0 ν β β ) decay. We used a Bayesian analysis based on a toy Monte Carlo (MC) approach to extract the exclusion sensitivity to the $$0\nu \beta \beta $$ 0 ν β β decay half-life ( $$T_{1/2}^{\,0\nu }$$ T 1 / 2 0 ν ) at $$90\%$$ 90 % credibility interval (CI) – i.e. the interval containing the true value of $$T_{1/2}^{\,0\nu }$$ T 1 / 2 0 ν with $$90\%$$ 90 % probability – and the $$3~\sigma $$ 3 σ discovery sensitivity. We consider various background levels and energy resolutions, and describe the influence of the data division in subsets with different background levels. If the background level and the energy resolution meet the expectation, CUORE will reach a $$90\%$$ 90 % CI exclusion sensitivity of $$2\cdot 10^{25}$$ 2 · 10 25 year with 3 months, and $$9\cdot 10^{25}$$ 9 · 10 25 year with 5 years of live time. Under the same conditions, the discovery sensitivity after 3 months and 5 years will be $$7\cdot 10^{24}$$ 7 · 10 24 year and $$4\cdot 10^{25}$$ 4 · 10 25 year, respectively.
Published: 2017
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23. Performances of a large mass ZnMoO4 scintillating bolometer for a next generation 0νDBD experiment

Author: J. W. Beeman, F. Bellini, C. Brofferio, L. Cardani, N. Casali, O. Cremonesi, I. Dafinei, S. Di Domizio, F. Ferroni, E. Gorello, E. N. Galashov, L. Gironi, S. S. Nagorny, F. Orio, M. Pavan, L. Pattavina, G. Pessina, G. Piperno, S. Pirro, E. Previtali, C. Rusconi, V. N. Shlegel, C. Tomei, and M. Vignati
Subjects: Discrimination Power, Neutrinoless Double Beta Decay, Scintillation Light, Pulse Shape Discrimination, Neutron Transmutation Dope, Astrophysics, QB460-466, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798
Abstract: Abstract We present the performances of a 330 g zinc molybdate (ZnMoO4) crystal working as scintillating bolometer as a possible candidate for a next generation experiment to search for neutrinoless double beta decay of 100Mo. The energy resolution, evaluated at the 2615 keV γ-line of 208Tl, is 6.3 keV FWHM. The internal radioactive contaminations of the ZnMoO4 were evaluated as
Published: 2012
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24. Searching for Neutrinoless Double-Beta Decay of 130Te with CUORE

Author: D. R. Artusa, F. T. Avignone, O. Azzolini, M. Balata, T. I. Banks, G. Bari, J. Beeman, F. Bellini, A. Bersani, M. Biassoni, C. Brofferio, C. Bucci, X. Z. Cai, A. Camacho, L. Canonica, X. G. Cao, S. Capelli, L. Carbone, L. Cardani, M. Carrettoni, N. Casali, D. Chiesa, N. Chott, M. Clemenza, S. Copello, C. Cosmelli, O. Cremonesi, R. J. Creswick, I. Dafinei, A. Dally, V. Datskov, A. De Biasi, M. M. Deninno, S. Di Domizio, M. L. di Vacri, L. Ejzak, D. Q. Fang, H. A. Farach, M. Faverzani, G. Fernandes, E. Ferri, F. Ferroni, E. Fiorini, M. A. Franceschi, S. J. Freedman, B. K. Fujikawa, A. Giachero, L. Gironi, A. Giuliani, J. Goett, P. Gorla, C. Gotti, T. D. Gutierrez, E. E. Haller, K. Han, K. M. Heeger, R. Hennings-Yeomans, H. Z. Huang, R. Kadel, K. Kazkaz, G. Keppel, Yu. G. Kolomensky, Y. L. Li, C. Ligi, X. Liu, Y. G. Ma, C. Maiano, M. Maino, M. Martinez, R. H. Maruyama, Y. Mei, N. Moggi, S. Morganti, T. Napolitano, S. Nisi, C. Nones, E. B. Norman, A. Nucciotti, T. O’Donnell, F. Orio, D. Orlandi, J. L. Ouellet, M. Pallavicini, V. Palmieri, L. Pattavina, M. Pavan, M. Pedretti, G. Pessina, V. Pettinacci, G. Piperno, C. Pira, S. Pirro, E. Previtali, V. Rampazzo, C. Rosenfeld, C. Rusconi, E. Sala, S. Sangiorgio, N. D. Scielzo, M. Sisti, A. R. Smith, L. Taffarello, M. Tenconi, F. Terranova, W. D. Tian, C. Tomei, S. Trentalange, G. Ventura, M. Vignati, B. S. Wang, H. W. Wang, L. Wielgus, J. Wilson, L. A. Winslow, T. Wise, A. Woodcraft, L. Zanotti, C. Zarra, B. X. Zhu, and S. Zucchelli
Subjects: Physics, QC1-999
Abstract: Neutrinoless double-beta (0νββ) decay is a hypothesized lepton-number-violating process that offers the only known means of asserting the possible Majorana nature of neutrino mass. The Cryogenic Underground Observatory for Rare Events (CUORE) is an upcoming experiment designed to search for 0νββ decay of 130Te using an array of 988 TeO2 crystal bolometers operated at 10 mK. The detector will contain 206 kg of 130Te and have an average energy resolution of 5 keV; the projected 0νββ decay half-life sensitivity after five years of livetime is 1.6 × 1026 y at 1σ (9.5 × 1025 y at the 90% confidence level), which corresponds to an upper limit on the effective Majorana mass in the range 40–100 meV (50–130 meV). In this paper, we review the experimental techniques used in CUORE as well as its current status and anticipated physics reach.
Published: 2015
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25. Current Status and Future Perspectives of the LUCIFER Experiment

Author: J. W. Beeman, F. Bellini, P. Benetti, L. Cardani, N. Casali, D. Chiesa, M. Clemenza, I. Dafinei, S. Di Domizio, F. Ferroni, A. Giachero, L. Gironi, A. Giuliani, C. Gotti, M. Maino, S. Nagorny, S. Nisi, C. Nones, F. Orio, L. Pattavina, G. Pessina, G. Piperno, S. Pirro, E. Previtali, C. Rusconi, M. Tenconi, C. Tomei, and M. Vignati
Subjects: Physics, QC1-999
Abstract: In the field of fundamental particle physics, the neutrino has become more and more important in the last few years, since the discovery of its mass. In particular, the ultimate nature of the neutrino (if it is a Dirac or a Majorana particle) plays a crucial role not only in neutrino physics, but also in the overall framework of fundamental particle interactions and in cosmology. The only way to disentangle its ultimate nature is to search for the neutrinoless double beta decay. The idea of LUCIFER is to combine the bolometric technique proposed for the CUORE experiment with the bolometric light detection technique used in cryogenic dark matter experiments. The bolometric technique allows an extremely good energy resolution while its combination with the scintillation detection offers an ultimate tool for background rejection. The goal of LUCIFER is not only to build a background-free small-scale experiment but also to directly prove the potentiality of this technique. Preliminary tests on several detectors containing different interesting DBD emitters have clearly demonstrated the excellent background rejection capabilities that arise from the simultaneous, independent, double readout of heat and scintillation light.
Published: 2013
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26. BULLKID: Monolithic array of particle absorbers sensed by Kinetic Inductance Detectors

Author: A. Cruciani, L. Bandiera, M. Calvo, N. Casali, I. Colantoni, G. Del Castello, M. del Gallo Roccagiovine, D. Delicato, M. Giammei, V. Guidi, J. Goupy, V. Pettinacci, G. Pettinari, M. Romagnoni, M. Tamisari, A. Mazzolari, A. Monfardini, and M. Vignati
Subjects: High Energy Physics - Experiment (hep-ex), Physics - Instrumentation and Detectors, Physics and Astronomy (miscellaneous), FOS: Physical sciences, Instrumentation and Detectors (physics.ins-det), High Energy Physics - Experiment
Abstract: We introduce BULLKID, a phonon detector consisting of an array of dices acting as particle absorbers sensed by multiplexed Kinetic Inductance Detectors (KIDs). The dices are carved in a thick crystalline wafer and form a monolithic structure. The carvings leave a thin common disk intact in the wafer, acting both as holder for the dices and as substrate for the KID lithography. The prototype presented consists of an array of 64 dices of 5.4 × 5.4 × 5 mm3 carved in a 3˝ diameter, 5 mm thick silicon wafer, with a common disk of 0.5 mm thick, hosting a 60 nm patterned aluminum layer. The resulting array is highly segmented but avoids the use of dedicated holding structures for each unit. Despite the fact that the uniformity of the KID electrical response across the array needs optimization, the operation of eight units with similar features shows, on average, a baseline energy resolution of 26 ± 7 eV. This makes it a suitable detector for low-energy processes such as direct interactions of dark matter and coherent elastic neutrino-nucleus scattering.
Published: 2022

27. Final Result on the Neutrinoless Double Beta Decay of Se82 with CUPID-0

Author: O. Azzolini, J. W. Beeman, F. Bellini, M. Beretta, M. Biassoni, C. Brofferio, C. Bucci, S. Capelli, V. Caracciolo, L. Cardani, P. Carniti, N. Casali, D. Chiesa, M. Clemenza, I. Colantoni, O. Cremonesi, A. Cruciani, A. D’Addabbo, I. Dafinei, F. De Dominicis, S. Di Domizio, F. Ferroni, L. Gironi, A. Giuliani, P. Gorla, C. Gotti, G. Keppel, M. Martinez, S. Nagorny, M. Nastasi, S. Nisi, C. Nones, D. Orlandi, L. Pagnanini, M. Pallavicini, L. Pattavina, M. Pavan, G. Pessina, V. Pettinacci, S. Pirro, S. Pozzi, E. Previtali, A. Puiu, C. Rusconi, K. Schäffner, C. Tomei, M. Vignati, and A. S. Zolotarova
Subjects: General Physics and Astronomy
Published: 2022
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28. NUCLEUS: cryogenic calorimeters to detect coherent nuclear scattering of reactor antineutrinos

Author: Riccardo Cerulli, G. Angloher, A. Bento, L. Canonica, F. Cappella, L. Cardani, N. Casali, I. Colantoni, A. Cruciani, G. del Castello, A. Erhart, M. Friedl, A. Garai, V.M. Ghete, C. Goupy, V. Guidi, D. Hauff, M. Kaznacheeva, A. Kinast, L. Klinkenberg, H. Kluck, A. Langenkämper, T. Lasserre, D. Lhuillier, M. Mancuso, B. Mauri, A. Mazzolari, E. Mazzucato, H. Neyrial, C. Nones, L. Oberauer, A. Onillon, T. Ortmann, L. Pattavina, F. Petricca, W. Potzel, F. Pröbst, F. Pucci, F. Reindl, R. Rogly, J. Rothe, V. Savu, N. Schermer, J. Schieck, S. Schönert, C. Schwertner, L. Scola, L. Stodolsky, R. Strauss, C. Tomei, K. v. Mirbach, M. Vignati, M. Vivier, V. Wagnerc, A. Wex, Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, and Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)
Subjects: detector, scattering, nucleus, elastic scattering, antineutrino, target, crystal, coherence, flux, cryogenics, calorimeter, site, nuclear reactor, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], neutrino nucleus
Abstract: International audience; NUCLEUS is an experiment conceived for the detection of thecoherent elastic neutrino nucleus scattering. The experiment will be carried out in the nuclear power plant of Chooz-B in France that provides an intense flux of anti-neutrinos.The aim of NUCLEUS is to perform a very precise measurement of the coherent elastic scattering below 100 eV by employing extremely sensitive cryogenic detectors based on CaWO$_4$ and Al$_2$O$_3$ target crystals.At present, the NUCLEUS apparatus is in commissioning phaseat the Underground Laboratory of the Technical University Munich, where - after its installation and the first measurement phase - the experiment will be fully tested. Thereafter the entire apparatus will be moved to the reactor site at Chooz.
Published: 2022
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29. Latest results from CUPID-0

Author: Guido Fantini, O. Azzolini, J.W. Beeman, F. Bellini, M. Beretta, M. Biassoni, C. Brofferio, C. Bucci, S. Capelli, V. Caracciolo, L. Cardani, P. Carniti, N. Casali, E. Celi, D. Chiesa, M. Clemenza, I. Colantoni, O. Cremonesi, A. Cruciani, A. D’Addabbo, I. Dafinei, S. DiDomizio, V. Dompè, F. Ferroni, L. Gironi, A. Giuliani, P. Gorla, C. Gotti, G. Keppel, J. Kotila, M. Martinez, S. Nagorny, M. Nastasi, S. Nisi, C. Nones, D. Orlandi, L. Pagnanini, M. Pallavicini, L. Pattavina, M. Pavan, G. Pessina, V. Pettinacci, S. Pirro, S. Pozzi, E. Previtali, A. Puiu, A. Ressa, C. Rusconi, K. Schäffner, C. Tomei, M. Vignati, A.S. Zolotarova, Fantini, G, Azzolini, O, Beeman, J, Bellini, F, Beretta, M, Biassoni, M, Brofferio, C, Bucci, C, Capelli, S, Caracciolo, V, Cardani, L, Carniti, P, Casali, N, Celi, E, Chiesa, D, Clemenza, M, Colantoni, I, Cremonesi, O, Cruciani, A, D'Addabbo, A, Dafinei, I, Di Domizio, S, Dompe, V, Ferroni, F, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Keppel, G, Kotila, J, Martinez, M, Nagorny, S, Nastasi, M, Nisi, S, Nones, C, Orlandi, D, Pagnanini, L, Pallavicini, M, Pattavina, L, Pavan, M, Pessina, G, Pettinacci, V, Pirro, S, Pozzi, S, Previtali, E, Puiu, A, Ressa, A, Rusconi, C, Schaffner, K, Tomei, C, Vignati, M, Zolotarova, A, Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), and Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay
Subjects: background, Settore FIS/04, scintillation counter, cryogenics, tutkimuslaitteet, double-beta decay, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], hiukkasfysiikka, Bayesian, decay modes, crystal, ilmaisimet, detector, upgrade, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], spectral, ground state, ydinfysiikka, calorimeter, cryogenics, CUPID-0, Double beta decay, cryogenic calorimeters, scintillation, exotic decay modes
Abstract: International audience; CUPID-0 is a pilot experiment in scintillating cryogenic calorimetry for the search of neutrino-less double beta decay. 26 ZnSe crystals were operated continuously in the first project phase (March 2017 - December 2018), demonstrating unprecedented low levels of background in the region of interest at the Q-value of $^{82}\rm{Se}$. From this successful experience comes a demonstration of full alpha to beta/gamma background separation, the most stringent limits on the $^{82}\rm{Se}$ neutrino-less double beta decay, as well as the most precise measurement of the $^{82}$Se half-life. After a detector upgrade, CUPID-0 began its second and last phase (June 2019 - February 2020). We present the latest results on the neutrino-less double beta decay of $^{82}\rm{Se}$ with the full isotope exposure of $8.82~\rm{kg}\times\rm{yr}$. We set a lower bound to the ground state half life $\rm{T}_{1/2}( ^{82}\rm{Se})>4.6\times10^{24}$ yr (90 % C.I.). We review the most recent results from a Bayesian search for spectral distortions to the $^{82}\rm{Se}$ double-beta decay spectrum due to exotic decay modes.
Published: 2022
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30. CUORE opens the door to tonne-scale cryogenics experiments

Author: L. Canonica, L. Marini, Kevin Hickerson, J. Schmidt, Massimiliano Clemenza, Carlo Cosmelli, S. Copello, L. Gladstone, M. Guerzoni, L. Ma, J. Johnston, A. Leder, M. Iannone, Irene Nutini, Paolo Carniti, Vladimir Datskov, R. J. Creswick, M. M. Deninno, G. Fantini, F. Bellini, I. C. Bandac, Yu-Gang Ma, D. Santone, V. Sharma, C. Brofferio, P. J. Mosteiro, A. Caminata, Ezio Previtali, B. Welliver, Evelyn Ferri, H. Z. Huang, G. Keppel, K. E. Lim, X. G. Cao, F. Bragazzi, Ettore Fiorini, V. Novati, C. Rusconi, N. Chott, T. Wise, C. Crescentini, R. Gaigher, L. Zanotti, Andrea Giachero, C. Maiano, N. Moggi, C. Martinez Amaya, S. S. Nagorny, A. Pelosi, G. Piperno, D. Q. Adams, L. Risegari, K. Alfonso, F. Terranova, Davide Chiesa, C. Rosenfeld, Deqing Fang, S. Pagan, S. Dell'Oro, M. L. Di Vacri, D. Mayer, Samuele Sangiorgio, Stefano Nisi, P. T. Surukuchi, S. Morganti, S. Zucchelli, J. Camilleri, A. Nucciotti, M. Sisti, P. Gorla, E. V. Hansen, F. Ferroni, C. Tomei, Elena Sala, L. Ioannucci, D. Speller, F. Alessandria, M. I. Martínez, Eugene E. Haller, C. Alduino, F. Rimondi, G. Ceruti, K. Wilson, L. Taffarello, Marisa Pedretti, R. Hennings-Yeomans, S. Pirro, Carlo Ligi, M. Faverzani, M. Beretta, Y. Mei, M. Tessaro, Jeffrey W. Beeman, M. Capodiferro, A. Bersani, N. D. Scielzo, M. Barucci, L. Cappelli, D. Biare, C. J. Davis, A. Camacho, Jonathan Ouellet, D. Conventi, J. Wallig, K. M. Heeger, L. Pagnanini, A. Giuliani, G. Bari, M. Cariello, Lindley Winslow, A. Campani, S. L. Wagaarachchi, M. Maino, Guoqiang Zhang, M. Carrettoni, R. Mazza, A. Branca, A. Bryant, J. Nikkel, C. Pira, H.W. Wang, M. Perego, T. I. Banks, S. Zimmermann, Ke Han, Reina H. Maruyama, S. Ghislandi, T. O'Donnell, S. Di Domizio, Simone Capelli, R. W. Kadel, Stuart J. Freedman, G. Ventura, A. Drobizhev, C. Bulfon, C. Zarra, Laura Cardani, V. Dompè, M. Balata, L. Di Paolo, A. D'Addabbo, L. Pattavina, B. K. Fujikawa, Stefano Pozzi, Alan R. Smith, D. Orlandi, Larissa M. Ejzak, M. Vignati, B. X. Zhu, V. Pettinacci, L. Kogler, E. Celi, L. Tatananni, S.H. Fu, E. Andreotti, M. A. Franceschi, R. Cereseto, I. Dafinei, M. Sakai, D. D'Aguanno, F. Stivanello, R. G. Huang, D. Schaeffer, C. Guandalini, F. Orio, Vasundhara Singh, B. Schmidt, B. S. Wang, O. Azzolini, Kai Vetter, M. Olcese, Jeremy S. Cushman, V. Palmieri, Eric B. Norman, M. Guetti, T. Napolitano, M. Biassoni, F. Del Corso, R. Faccini, Giovanni Benato, A. Buccheri, C. Salvioni, Yu. G. Kolomensky, R. Pedrotta, Lorenzo Cassina, C. Nones, A. Puiu, Marco Pallavicini, S. Quitadamo, G. Pessina, James R. Wilson, R. Liu, Massimiliano Nastasi, M. Pavan, E. Olivieri, L. Gironi, F. T. Avignone, Claudio Gotti, N. Casali, F. Reindl, Oliviero Cremonesi, J. Goett, M. Tenconi, C. Pagliarone, C. Rossi, A. Chiarini, C. Bucci, T. D. Gutierrez, Adams, D, Alduino, C, Alessandria, F, Alfonso, K, Andreotti, E, Avignone, F, Azzolini, O, Balata, M, Bandac, I, Banks, T, Bari, G, Barucci, M, Beeman, J, Bellini, F, Benato, G, Beretta, M, Bersani, A, Biare, D, Biassoni, M, Bragazzi, F, Branca, A, Brofferio, C, Bryant, A, Buccheri, A, Bucci, C, Bulfon, C, Camacho, A, Camilleri, J, Caminata, A, Campani, A, Canonica, L, Cao, X, Capelli, S, Capodiferro, M, Cappelli, L, Cardani, L, Cariello, M, Carniti, P, Carrettoni, M, Casali, N, Cassina, L, Celi, E, Cereseto, R, Ceruti, G, Chiarini, A, Chiesa, D, Chott, N, Clemenza, M, Conventi, D, Copello, S, Cosmelli, C, Cremonesi, O, Crescentini, C, Creswick, R, Cushman, J, D'Addabbo, A, D'Aguanno, D, Dafinei, I, Datskov, V, Davis, C, Corso, F, Dell'Oro, S, Deninno, M, Di Domizio, S, Dompe, V, Di Vacri, M, Di Paolo, L, Drobizhev, A, Ejzak, L, Faccini, R, Fang, D, Fantini, G, Faverzani, M, Ferri, E, Ferroni, F, Fiorini, E, Franceschi, M, Freedman, S, Fu, S, Fujikawa, B, Gaigher, R, Ghislandi, S, Giachero, A, Gironi, L, Giuliani, A, Gladstone, L, Goett, J, Gorla, P, Gotti, C, Guandalini, C, Guerzoni, M, Guetti, M, Gutierrez, T, Haller, E, Han, K, Hansen, E, Heeger, K, Hennings-Yeomans, R, Hickerson, K, Huang, R, Huang, H, Iannone, M, Ioannucci, L, Johnston, J, Kadel, R, Keppel, G, Kogler, L, Kolomensky, Y, Leder, A, Ligi, C, Lim, K, Liu, R, Ma, L, Ma, Y, Maiano, C, Maino, M, Marini, L, Martinez, M, Amaya, C, Maruyama, R, Mayer, D, Mazza, R, Mei, Y, Moggi, N, Morganti, S, Mosteiro, P, Nagorny, S, Napolitano, T, Nastasi, M, Nikkel, J, Nisi, S, Nones, C, Norman, E, Novati, V, Nucciotti, A, Nutini, I, O'Donnell, T, Olcese, M, Olivieri, E, Orio, F, Orlandi, D, Ouellet, J, Pagan, S, Pagliarone, C, Pagnanini, L, Pallavicini, M, Palmieri, V, Pattavina, L, Pavan, M, Pedretti, M, Pedrotta, R, Pelosi, A, Perego, M, Pessina, G, Pettinacci, V, Piperno, G, Pira, C, Pirro, S, Pozzi, S, Previtali, E, Puiu, A, Quitadamo, S, Reindl, F, Rimondi, F, Risegari, L, Rosenfeld, C, Rossi, C, Rusconi, C, Sakai, M, Sala, E, Salvioni, C, Sangiorgio, S, Santone, D, Schaeffer, D, Schmidt, B, Schmidt, J, Scielzo, N, Sharma, V, Singh, V, Sisti, M, Smith, A, Speller, D, Stivanello, F, Surukuchi, P, Taffarello, L, Tatananni, L, Tenconi, M, Terranova, F, Tessaro, M, Tomei, C, Ventura, G, Vetter, K, Vignati, M, Wagaarachchi, S, Wallig, J, Wang, B, Wang, H, Welliver, B, Wilson, J, Wilson, K, Winslow, L, Wise, T, Zanotti, L, Zarra, C, Zhang, G, Zhu, B, Zimmermann, S, Zucchelli, S, Adams D.Q., Alduino C., Alessandria F., Alfonso K., Andreotti E., Avignone F.T., Azzolini O., Balata M., Bandac I., Banks T.I., Bari G., Barucci M., Beeman J.W., Bellini F., Benato G., Beretta M., Bersani A., Biare D., Biassoni M., Bragazzi F., Branca A., Brofferio C., Bryant A., Buccheri A., Bucci C., Bulfon C., Camacho A., Camilleri J., Caminata A., Campani A., Canonica L., Cao X.G., Capelli S., Capodiferro M., Cappelli L., Cardani L., Cariello M., Carniti P., Carrettoni M., Casali N., Cassina L., Celi E., Cereseto R., Ceruti G., Chiarini A., Chiesa D., Chott N., Clemenza M., Conventi D., Copello S., Cosmelli C., Cremonesi O., Crescentini C., Creswick R.J., Cushman J.S., D'Addabbo A., D'Aguanno D., Dafinei I., Datskov V., Davis C.J., Del Corso F., Dell'Oro S., Deninno M.M., Di Domizio S., Dompe V., Di Vacri M.L., Di Paolo L., Drobizhev A., Ejzak L., Faccini R., Fang D.Q., Fantini G., Faverzani M., Ferri E., Ferroni F., Fiorini E., Franceschi M.A., Freedman S.J., Fu S.H., Fujikawa B.K., Gaigher R., Ghislandi S., Giachero A., Gironi L., Giuliani A., Gladstone L., Goett J., Gorla P., Gotti C., Guandalini C., Guerzoni M., Guetti M., Gutierrez T.D., Haller E.E., Han K., Hansen E.V., Heeger K.M., Hennings-Yeomans R., Hickerson K.P., Huang R.G., Huang H.Z., Iannone M., Ioannucci L., Johnston J., Kadel R., Keppel G., Kogler L., Kolomensky Y.G., Leder A., Ligi C., Lim K.E., Liu R., Ma L., Ma Y.G., Maiano C., Maino M., Marini L., Martinez M., Amaya C.M., Maruyama R.H., Mayer D., Mazza R., Mei Y., Moggi N., Morganti S., Mosteiro P.J., Nagorny S.S., Napolitano T., Nastasi M., Nikkel J., Nisi S., Nones C., Norman E.B., Novati V., Nucciotti A., Nutini I., O'Donnell T., Olcese M., Olivieri E., Orio F., Orlandi D., Ouellet J.L., Pagan S., Pagliarone C.E., Pagnanini L., Pallavicini M., Palmieri V., Pattavina L., Pavan M., Pedretti M., Pedrotta R., Pelosi A., Perego M., Pessina G., Pettinacci V., Piperno G., Pira C., Pirro S., Pozzi S., Previtali E., Puiu A., Quitadamo S., Reindl F., Rimondi F., Risegari L., Rosenfeld C., Rossi C., Rusconi C., Sakai M., Sala E., Salvioni C., Sangiorgio S., Santone D., Schaeffer D., Schmidt B., Schmidt J., Scielzo N.D., Sharma V., Singh V., Sisti M., Smith A.R., Speller D., Stivanello F., Surukuchi P.T., Taffarello L., Tatananni L., Tenconi M., Terranova F., Tessaro M., Tomei C., Ventura G., Vetter K.J., Vignati M., Wagaarachchi S.L., Wallig J., Wang B.S., Wang H.W., Welliver B., Wilson J., Wilson K., Winslow L.A., Wise T., Zanotti L., Zarra C., Zhang G.Q., Zhu B.X., Zimmermann S., Zucchelli S., Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, and CUORE
Subjects: Cryostat, Nuclear and High Energy Physics, Physics - Instrumentation and Detectors, Physics::Instrumentation and Detectors, FOS: Physical sciences, Cryogenic temperatures, Dilution refrigerator, Low temperature calorimeter, Neutrinoless double beta decay, Rare event searches, Ton-scale detector, Cryogenic temperatures, Neutrinoless double beta decay, Dilution refrigerator, Ton-scale detector, Low temperature calorimeter, Rare event searches, cryogenics, CUORE performance, Cryogenics, Rare event searche, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 7. Clean energy, 01 natural sciences, CUORE, double-beta decay: (0neutrino), Double beta decay, 0103 physical sciences, Cryogenic particle detectors, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Nuclear Experiment (nucl-ex), Aerospace engineering, 010306 general physics, Nuclear Experiment, activity report, Physics, 010308 nuclear & particles physics, business.industry, Astrophysics::Instrumentation and Methods for Astrophysics, Cryogenic temperature, Instrumentation and Detectors (physics.ins-det), CUORE performance, Semiconductor detector, cryogenics: design, cryogenics, Neutrino, business, performance
Abstract: 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., Comment: 45 pages, 14 figures
Published: 2022
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31. Background identification in cryogenic calorimeters through $$\alpha -\alpha $$ delayed coincidences

Author: Paolo Carniti, M. Biassoni, Massimiliano Nastasi, Stefano Nisi, P. Gorla, F. Ferroni, C. Tomei, A. Giuliani, Massimiliano Clemenza, M. Beretta, L. Pattavina, G. Keppel, C. Brofferio, Simone Capelli, S. Di Domizio, Laura Cardani, C. Rusconi, Davide Chiesa, L. Pagnanini, Stefano Pozzi, M. Pavan, Jeffrey W. Beeman, C. Nones, A. Puiu, M. Vignati, K. Schäffner, A. D'Addabbo, A. S. Zolotarova, I. Dafinei, V. Pettinacci, S. Pirro, D. Orlandi, O. Azzolini, Marco Pallavicini, G. Pessina, F. Bellini, Angelo Cruciani, Ezio Previtali, C. Bucci, Miriam Lucio Martinez, L. Gironi, S.S. Nagorny, Claudio Gotti, Oliviero Cremonesi, N. Casali, Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Azzolini, O, Beeman, J, Bellini, F, Beretta, M, Biassoni, M, Brofferio, C, Bucci, C, Capelli, S, Cardani, L, Carniti, P, Casali, N, Chiesa, D, Clemenza, M, Cremonesi, O, Cruciani, A, Dafinei, I, D'Addabbo, A, Di Domizio, S, Ferroni, F, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Keppel, G, Martinez, M, Nagorny, S, Nastasi, M, Nisi, S, Nones, C, Orlandi, D, Pagnanini, L, Pallavicini, M, Pattavina, L, Pavan, M, Pessina, G, Pettinacci, V, Pirro, S, Pozzi, S, Previtali, E, Puiu, A, Rusconi, C, Schaffner, K, Tomei, C, Vignati, M, and Zolotarova, A
Subjects: Physics, Particle physics, Physics - Instrumentation and Detectors, background identification, Physics and Astronomy (miscellaneous), 010308 nuclear & particles physics, QC770-798, Delayed coincidence, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Astrophysics, 01 natural sciences, neutrinoless double beta decay, QB460-466, Physics - Data Analysis, Statistics and Probability, radioactivity, Nuclear and particle physics. Atomic energy. Radioactivity, Double beta decay, low background, 0103 physical sciences, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Decay chain, 010306 general physics, Nuclear Experiment, Engineering (miscellaneous), [PHYS.PHYS.PHYS-DATA-AN]Physics [physics]/Physics [physics]/Data Analysis, Statistics and Probability [physics.data-an]
Abstract: 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.
Published: 2021
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32. Expected sensitivity to $^{128}$Te neutrinoless double beta decay with the CUORE TeO$_2$ cryogenic bolometers

Author: V. Dompè, D. Q. Adams, C. Alduino, K. Alfonso, F. T. Avignone, O. Azzolini, G. Bari, F. Bellini, G. Benato, M. Beretta, M. Biassoni, A. Branca, C. Brofferio, C. Bucci, J. Camilleri, A. Caminata, A. Campani, L. Canonica, X. G. Cao, S. Capelli, L. Cappelli, L. Cardani, P. Carniti, N. Casali, E. Celi, D. Chiesa, M. Clemenza, S. Copello, O. Cremonesi, R. J. Creswick, A. D’Addabbo, I. Dafinei, S. Dell’Oro, S. Di Domizio, S. Di Lorenzo, D. Q. Fang, G. Fantini, M. Faverzani, E. Ferri, F. Ferroni, E. Fiorini, M. A. Franceschi, S. J. Freedman, S. H. Fu, B. K. Fujikawa, S. Ghislandi, A. Giachero, L. Gironi, A. Giuliani, P. Gorla, C. Gotti, T. D. Gutierrez, K. Han, E. V. Hansen, K. M. Heeger, R. G. Huang, H. Z. Huang, J. Johnston, G. Keppel, Yu G. Kolomensky, R. Kowalski, C. Ligi, R. Liu, L. Ma, Y. G. Ma, L. Marini, R. H. Maruyama, D. Mayer, Y. Mei, N. Moggi, S. Morganti, T. Napolitano, M. Nastasi, J. Nikkel, C. Nones, E. B. Norman, A. Nucciotti, I. Nutini, T. O’Donnell, M. Olmi, J. L. Ouellet, S. Pagan, C. E. Pagliarone, L. Pagnanini, M. Pallavicini, L. Pattavina, M. Pavan, G. Pessina, V. Pettinacci, C. Pira, S. Pirro, S. Pozzi, E. Previtali, A. Puiu, S. Quitadamo, A. Ressa, C. Rosenfeld, C. Rusconi, M. Sakai, S. Sangiorgio, B. Schmidt, N. D. Scielzo, V. Sharma, V. Singh, M. Sisti, D. Speller, P. T. Surukuchi, L. Taffarello, F. Terranova, C. Tomei, K. J. Vetter, M. Vignati, S. L. Wagaarachchi, B. S. Wang, B. Welliver, J. Wilson, K. Wilson, L. A. Winslow, S. Zimmermann, S. Zucchelli, Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Dompe, V, Adams, D, Alduino, C, Alfonso, K, Avignone, F, Azzolini, O, Bari, G, Bellini, F, Benato, G, Beretta, M, Biassoni, M, Branca, A, Brofferio, C, Bucci, C, Camilleri, J, Caminata, A, Campani, A, Canonica, L, Cao, X, Capelli, S, Cappelli, L, Cardani, L, Carniti, P, Casali, N, Celi, E, Chiesa, D, Clemenza, M, Copello, S, Cremonesi, O, Creswick, R, D'Addabbo, A, Dafinei, I, Dell'Oro, S, Di Domizio, S, Di Lorenzo, S, Fang, D, Fantini, G, Faverzani, M, Ferri, E, Ferroni, F, Fiorini, E, Franceschi, M, Freedman, S, Fu, S, Fujikawa, B, Ghislandi, S, Giachero, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Gutierrez, T, Han, K, Hansen, E, Heeger, K, Huang, R, Huang, H, Johnston, J, Keppel, G, Kolomensky, Y, Kowalski, R, Ligi, C, Liu, R, Ma, L, Ma, Y, Marini, L, Maruyama, R, Mayer, D, Mei, Y, Moggi, N, Morganti, S, Napolitano, T, Nastasi, M, Nikkel, J, Nones, C, Norman, E, Nucciotti, A, Nutini, I, O'Donnell, T, Olmi, M, Ouellet, J, Pagan, S, Pagliarone, C, Pagnanini, L, Pallavicini, M, Pattavina, L, Pavan, M, Pessina, G, Pettinacci, V, Pira, C, Pirro, S, Pozzi, S, Previtali, E, Puiu, A, Quitadamo, S, Ressa, A, Rosenfeld, C, Rusconi, C, Sakai, M, Sangiorgio, S, Schmidt, B, Scielzo, N, Sharma, V, Singh, V, Sisti, M, Speller, D, Surukuchi, P, Taffarello, L, Terranova, F, Tomei, C, Vetter, K, Vignati, M, Wagaarachchi, S, Wang, B, Welliver, B, Wilson, J, Wilson, K, Winslow, L, Zimmermann, S, Zucchelli, S, Adams, DQ, Avignone, FT, Cao, XG, Creswick, RJ, Fang, DQ, Franceschi, MA, Freedman, SJ, Fu, SH, Fujikawa, BK, Gutierrez, TD, Hansen, EV, Heeger, KM, Huang, RG, Huang, HZ, Kolomensky, YG, Ma, YG, Maruyama, RH, Norman, EB, Ouellet, JL, Pagliarone, CE, Scielzo, ND, Surukuchi, PT, Vetter, KJ, Wagaarachchi, SL, Wang, BS, and Winslow, LA
Subjects: CUORE, Physics::Instrumentation and Detectors, Astrophysics::Instrumentation and Methods for Astrophysics, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Condensed Matter Physics, Cryogenic bolometer, Atomic and Molecular Physics, and Optics, CUORE, Cryogenic Bolometers, Cryogenic bolometers, General Materials Science, High Energy Physics::Experiment, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Neutrinoless double beta decay, Tellurium, Nuclear Experiment, 128-Te
Abstract: The CUORE experiment is a ton-scale array of $$\hbox {TeO}_2$$ TeO 2 cryogenic bolometers located at the underground Laboratori Nazionali del Gran Sasso of Istituto Nazionale di Fisica Nucleare (INFN), in Italy. The CUORE detector consists of 988 crystals operated as source and detector at a base temperature of $$\sim 10$$ ∼ 10 mK. Such cryogenic temperature is reached and maintained by means of a custom built cryogen-free dilution cryostat, designed with the aim of minimizing the vibrational noise and the environmental radioactivity. The primary goal of CUORE is the search for neutrinoless double beta decay of $$^{130}\hbox {Te}$$ 130 Te , but thanks to its large target mass and ultra-low background it is suitable for the study of other rare processes as well, such as the neutrinoless double beta decay of $$^{128}\hbox {Te}$$ 128 Te . This tellurium isotope is an attractive candidate for the search of this process, due to its high natural isotopic abundance of 31.75%. The transition energy at (866.7 ± 0.7) keV lies in a highly populated region of the energy spectrum, dominated by the contribution of the two-neutrino double beta decay of $$^{130}\hbox {Te}$$ 130 Te . As the first ton-scale infrastructure operating cryogenic $$\hbox {TeO}_2$$ TeO 2 bolometers in stable conditions, CUORE is able to achieve a factor $$>10$$ > 10 higher sensitivity to the neutrinoless double beta decay of this isotope with respect to past direct experiments.
Published: 2021
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33. Measurement of $^{216}$Po half-life with the CUPID-0 experiment

Author: S. Di Domizio, Laura Cardani, Stefano Pozzi, A. Giuliani, Davide Chiesa, M. Vignati, Jeffrey W. Beeman, L. Pattavina, Massimiliano Clemenza, Simone Capelli, M. Pavan, A. D'Addabbo, M. Beretta, C. Brofferio, C. Rusconi, K. Schäffner, D. Orlandi, G. Keppel, V. Caracciolo, Stefano Nisi, F. Bellini, Paolo Carniti, P. Gorla, F. Ferroni, C. Tomei, V. Pettinacci, Massimiliano Nastasi, I. Colantoni, L. Pagnanini, S. S. Nagorny, Marco Pallavicini, G. Pessina, S. Pirro, C. Nones, A. Puiu, O. Azzolini, Angelo Cruciani, I. Dafinei, Ezio Previtali, Oliviero Cremonesi, Claudio Gotti, N. Casali, M. Biassoni, C. Bucci, Miriam Lucio Martinez, L. Gironi, A. S. Zolotarova, Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Azzolini, O, Beeman, J, Bellini, F, Beretta, M, Biassoni, M, Brofferio, C, Bucci, C, Capelli, S, Cardani, L, Carniti, P, Caracciolo, V, Casali, N, Chiesa, D, Clemenza, M, Colantoni, I, Cremonesi, O, Cruciani, A, Dafinei, I, D'Addabbo, A, Di Domizio, S, Ferroni, F, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Keppel, G, Martinez, M, Nagorny, S, Nastasi, M, Nisi, S, Nones, C, Orlandi, D, Pagnanini, L, Pallavicini, M, Pattavina, L, Pavan, M, Pessina, G, Pettinacci, V, Pirro, S, Pozzi, S, Previtali, E, Puiu, A, Rusconi, C, Schäffner, K, Tomei, C, Vignati, M, and Zolotarova, A
Subjects: Nuclear and High Energy Physics, Physics - Instrumentation and Detectors, QC1-999, FOS: Physical sciences, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 01 natural sciences, Coincidence, Cryogenic calorimeters, 0103 physical sciences, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Nuclear Experiment (nucl-ex), 010306 general physics, Nuclear Experiment, Physics, Sequence, Basis (linear algebra), 010308 nuclear & particles physics, Event (computing), Detector, Instrumentation and Detectors (physics.ins-det), Delayed coincidence, Half-life measurement, Cryogenic calorimeter, Algorithm
Abstract: Rare event physics demands very detailed background control, high-performance detectors, and custom analysis strategies. Cryogenic calorimeters combine all these ingredients very effectively, representing a promising tool for next-generation experiments. CUPID-0 is one of the most advanced examples of such a technique, having demonstrated its potential with several results obtained with limited exposure. In this paper, we present a further application. Exploiting the analysis of delayed coincidence, we can identify the signals caused by the $^{220}$Rn-$^{216}$Po decay sequence on an event-by-event basis. The analysis of these events allows us to extract the time differences between the two decays, leading to a new evaluation of $^{216}$ half-life, estimated as (143.3 $\pm$ 2.8) ms., 5 pages, 2 figures
Published: 2021
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34. Measurement of the 2νββ Decay Half-Life of Te130 with CUORE

Author: V. Sharma, D. Speller, Deqing Fang, S. Morganti, J. Nikkel, S. H. Fu, P. T. Surukuchi, S. Zimmermann, Carlo Ligi, R. J. Creswick, A. Campani, L. Gironi, I. Nutini, C. Rosenfeld, J. Camilleri, Oliviero Cremonesi, Kai Vetter, P. Gorla, F. Ferroni, C. Tomei, Massimiliano Clemenza, Carlo Cosmelli, Monica Sisti, F. T. Avignone, B. S. Wang, A. Giuliani, Emanuele Ferri, C. Pagliarone, N. D. Scielzo, C. Brofferio, L. Pattavina, C. J. Davis, Silvia Capelli, S. Pozzi, F. Terranova, C. Nones, A. Puiu, Massimiliano Nastasi, S. Di Domizio, K. Wilson, Davide Chiesa, Lucia Canonica, A. Caminata, Ezio Previtali, Marco Pallavicini, C. Rusconi, B. Welliver, V. Dompè, F. Bellini, Jonathan Ouellet, G. Bari, H. Z. Huang, S. Pagan, Y. Mei, A. D'Addabbo, C. Bucci, L. Marini, T. D. Gutierrez, T. O'Donnell, J. Johnston, S. Copello, N. Moggi, Laura Cardani, Yu. G. Kolomensky, Luigi Cappelli, B. K. Fujikawa, Xiangyu Cao, G. Keppel, Samuele Sangiorgio, K. M. Heeger, A. Nucciotti, C. Alduino, S. Pirro, B. Schmidt, Stefano Zucchelli, S. Dell'Oro, Ke Han, Paolo Carniti, Reina H. Maruyama, Claudio Gotti, Stuart J. Freedman, M. Sakai, O. Azzolini, T. Napolitano, M. Pavan, N. Casali, James R. Wilson, G. Pessina, S. L. Wagaarachchi, V. Pettinacci, M. Vignati, M. Biassoni, I. Dafinei, E. Fiorini, Giovanni Benato, Yudi Ma, L. Pagnanini, Eric B. Norman, L. Taffarello, D. Q. Adams, K. Alfonso, D. Mayer, M. Faverzani, Lindley Winslow, Virendra Singh, L. Ma, C. Pira, G. Fantini, R. G. Huang, A. Branca, M. A. Franceschi, and A. Giachero
Subjects: Physics, Nuclear physics, CUORE, Double beta decay, 0103 physical sciences, General Physics and Astronomy, Half-life, High Energy Physics::Experiment, 010306 general physics, 01 natural sciences, Spectral line
Abstract: We measured two-neutrino double beta decay of $^{130}$Te using an exposure of 300.7 kg$\cdot$yr accumulated with the CUORE detector. Using a Bayesian analysis to fit simulated spectra to experimental data, it was possible to disentangle all the major background sources and precisely measure the two-neutrino contribution. The half-life is in agreement with past measurements with a strongly reduced uncertainty: $T^{2\nu}_{1/2} = 7.71^{+0.08}_{-0.06}\mathrm{(stat.)}^{+0.12}_{-0.15}\mathrm{(syst.)}\times10^{20}$ yr. This measurement is the most precise determination of the $^{130}$Te 2$\nu\beta\beta$ decay half-life to date.
Published: 2021
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35. Search for double $$\beta $$-decay modes of $$^{64}$$Zn using purified zinc

Author: S. Di Domizio, G. Pessina, Yu.V. Gorbenko, M. Beretta, Ezio Previtali, M. Vignati, L. Gironi, S. Nisi, V.D. Virich, Claudio Gotti, Francesca Bellini, S.S. Nagorny, Davide Chiesa, Claudia Tomei, L. Pattavina, M. Clemenza, L. Cardani, Stefano Pirro, Matthias Laubenstein, L. Pagnanini, K. Schäffner, C. Rusconi, Ioan Dafinei, E. Celi, N. Casali, D. A. Solopikhin, Paolo Carniti, G.P. Kovtun, F. Ferroni, A. P. Shcherban, Bellini, F, Beretta, M, Cardani, L, Carniti, P, Casali, N, Celi, E, Chiesa, D, Clemenza, M, Dafinei, I, Di Domizio, S, Ferroni, F, Gironi, L, Gorbenko, Y, Gotti, C, Kovtun, G, Laubenstein, M, Nagorny, S, Nisi, S, Pagnanini, L, Pattavina, L, Pessina, G, Pirro, S, Previtali, E, Rusconi, C, Schaffner, K, Shcherban, A, Solopikhin, D, Virich, V, Tomei, C, and Vignati, M
Subjects: Physics, Radionuclide, Physics - Instrumentation and Detectors, double beta decay, radioactivity, Physics and Astronomy (miscellaneous), 010308 nuclear & particles physics, Electron capture, Analytical chemistry, double beta decay, chemistry.chemical_element, Zinc, 01 natural sciences, Semiconductor detector, chemistry, Double beta decay, 0103 physical sciences, Production (computer science), Nuclide, Positron emission, 010306 general physics, Engineering (miscellaneous)
Abstract: The production of ultra-pure raw material is a crucial step to ensure the required background level in rare event searches. In this work, we establish an innovative technique developed to produce high-purity (99.999%) granular zinc. We demonstrate the effectiveness of the refining procedure by measuring the internal contaminations of the purified zinc with a high-purity germanium detector at the Laboratori Nazionali del Gran Sasso. The total activity of cosmogenic activated nuclides is measured at the level of a few mBq/kg, as well as limits on naturally occurring radionuclides are set to less than mBq/kg. The excellent radiopurity of the zinc sample allows us to search for electron capture with positron emission and neutrinoless double electron capture of $$^{64}$$ 64 Zn, setting the currently most stringent lower limits on their half-lives, $$T_{1/2}^{\varepsilon \beta ^+} > 2.7\times 10^{21}~\text {year}$$ T 1 / 2 ε β + > 2.7 × 10 21 year (90% CI), and $$T_{1/2}^{0\nu 2\varepsilon }> 2.6\times 10^{21}~\text {year}$$ T 1 / 2 0 ν 2 ε > 2.6 × 10 21 year (90% CI), respectively.
Published: 2021
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36. Search for Double-Beta Decay of $\mathrm{^{130}Te}$ to the $0^+$ States of $\mathrm{^{130}Xe}$ with CUORE

Author: Davide Chiesa, S. Di Domizio, Laura Cardani, B. K. Fujikawa, Stefano Pozzi, M. Vignati, Massimiliano Clemenza, Carlo Cosmelli, A. Giuliani, Monica Sisti, C. Pagliarone, V. Sharma, S. Zimmermann, A. Branca, Deqing Fang, S. Dell'Oro, B. Schmidt, L. Pattavina, L. Pagnanini, B. S. Wang, C. Brofferio, Marco Pallavicini, Lindley Winslow, F. Terranova, S. Morganti, O. Azzolini, S. Copello, S. Pagan, Kai Vetter, G. Pessina, Paolo Carniti, C. Rusconi, Carlo Ligi, L. Taffarello, L. Ma, Virendra Singh, Yudi Ma, H. Z. Huang, C. Rosenfeld, S. Pirro, A. Campani, C. Pira, Ettore Fiorini, S. L. Wagaarachchi, Andrea Giachero, P. Gorla, F. Ferroni, J. Camilleri, Xiangyu Cao, C. Tomei, Ke Han, Reina H. Maruyama, Stuart J. Freedman, L. Canonica, L. Marini, D. Q. Adams, Simone Capelli, K. Alfonso, G. Keppel, D. Speller, D. Mayer, C. J. Davis, Y. Mei, C. Nones, A. Puiu, I. Dafinei, Irene Nutini, J. Johnston, V. Pettinacci, A. Caminata, V. Dompè, A. D'Addabbo, J. Nikkel, G. Fantini, K. M. Heeger, Ezio Previtali, P. T. Surukuchi, T. O'Donnell, Yu. G. Kolomensky, N. D. Scielzo, R. G. Huang, B. Welliver, K. Wilson, Jonathan Ouellet, G. Bari, E. Celi, M. A. Franceschi, S. Zucchelli, M. Faverzani, Evelyn Ferri, N. Moggi, Eric B. Norman, L. Cappelli, M. Sakai, T. Napolitano, Samuele Sangiorgio, Oliviero Cremonesi, A. Nucciotti, M. Biassoni, C. Alduino, Claudio Gotti, N. Casali, Giovanni Benato, C. Bucci, T. D. Gutierrez, L. Gironi, F. T. Avignone, F. Bellini, R. J. Creswick, M. Pavan, Massimiliano Nastasi, James R. Wilson, S. H. Fu, Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Département de Physique des Particules (ex SPP) (DPP), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, CUORE, and Département de Physique des Particules (ex SPP) (DPhP)
Subjects: Particle physics, experimental methods, Physics and Astronomy (miscellaneous), FOS: Physical sciences, Dirac Neutrino, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Neutrinoless Double Beta Decay, 7. Clean energy, 01 natural sciences, Bayesian, decay modes, crystal, CUORE, background: low, bolometer, Double beta decay, Neutrino, 0103 physical sciences, excited state, double-beta decay: (2neutrino), Beta (velocity), Sensitivity (control systems), bayesian analysis, Nuclear Experiment (nucl-ex), Particle Physics, 010306 general physics, Engineering (miscellaneous), Nuclear Experiment, lepton number: violation, excited states, Physics, 010308 nuclear & particles physics, Majorana Neutrino, Gamma ray, sensitivity, Lepton number, gamma ray: emission, Excited state, Double beta decay, excited states, bayesian analysis, CUORE, Neutrinoless Double Beta Decay, Particle Physics, Neutrino, Majorana Neutrino, Dirac Neutrino
Abstract: The CUORE experiment is a large bolometric array searching for the lepton number violating neutrino-less double beta decay ($0\nu\beta\beta$) in the isotope $\mathrm{^{130}Te}$. In this work we present the latest results on two searches for the double beta decay (DBD) of $\mathrm{^{130}Te}$ to the first $0^{+}_2$ excited state of $\mathrm{^{130}Xe}$: the $0\nu\beta\beta$ decay and the Standard Model-allowed two-neutrinos double beta decay ($2\nu\beta\beta$). Both searches are based on a 372.5 kg$\times$yr TeO$_2$ exposure. The de-excitation gamma rays emitted by the excited Xe nucleus in the final state yield a unique signature, which can be searched for with low background by studying coincident events in two or more bolometers. The closely packed arrangement of the CUORE crystals constitutes a significant advantage in this regard. The median limit setting sensitivities at 90\% Credible Interval (C.I.) of the given searches were estimated as $\mathrm{S^{0\nu}_{1/2} = 5.6 \times 10^{24} \: \mathrm{yr}}$ for the ${0\nu\beta\beta}$ decay and $\mathrm{S^{2\nu}_{1/2} = 2.1 \times 10^{24} \: \mathrm{yr}}$ for the ${2\nu\beta\beta}$ decay. No significant evidence for either of the decay modes was observed and a Bayesian lower bound at $90\%$ C.I. on the decay half lives is obtained as: $\mathrm{(T_{1/2})^{0\nu}_{0^+_2} > 5.9 \times 10^{24} \: \mathrm{yr}}$ for the $0\nu\beta\beta$ mode and $\mathrm{(T_{1/2})^{2\nu}_{0^+_2} > 1.3 \times 10^{24} \: \mathrm{yr}}$ for the $2\nu\beta\beta$ mode. These represent the most stringent limits on the DBD of $^{130}$Te to excited states and improve by a factor $\sim5$ the previous results on this process., Comment: 13 pages, 6 figures
Published: 2021
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37. Final results of CALDER: kinetic inductance light detectors to search for rare events

Author: N. Casali, I. Colantoni, Giorgio Pettinari, Angelo Cruciani, V. Pettinacci, S. Di Domizio, Laura Cardani, M. I. Martínez, and M. Vignati
Subjects: Physics - Instrumentation and Detectors, Kinetic Inductance Detectors, Double Beta decay, Majorana neutrino, Physics and Astronomy (miscellaneous), Physics::Instrumentation and Detectors, FOS: Physical sciences, Substrate (electronics), QC770-798, Astrophysics, 7. Clean energy, 01 natural sciences, Multiplexing, Kinetic inductance, law.invention, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), law, Double beta decay, Nuclear and particle physics. Atomic energy. Radioactivity, 0103 physical sciences, Nuclear Experiment (nucl-ex), 010306 general physics, Engineering (miscellaneous), Nuclear Experiment, Physics, 010308 nuclear & particles physics, Detector, Bolometer, Response time, Instrumentation and Detectors (physics.ins-det), QB460-466, High Energy Physics::Experiment, Energy (signal processing)
Abstract: The next generation of bolometric experiments searching for rave events, in particular for the neutrino-less double beta decay, needs fast, high-sensitivity and easy-to-scale cryogenic light detectors. The CALDER project (2014-2020) developed a new technology for light detection at cryogenic temperature. In this paper we describe the achievements and the final prototype of this project, consisting of a $5\times5$ cm$^2$, 650 $\mu$m thick silicon substrate coupled to a single kinetic inductance detector made of a three-layer aluminum-titanium-aluminum. The baseline energy resolution is 34$\pm$1(stat)$\pm$2(syst) eV RMS and the response time is 120 $\mu$s. These features, along with the natural multiplexing capability of kinetic inductance detectors, meet the requirements of future large-scale experiments., Comment: 7 pages, 7 figures
Published: 2021

38. Search for neutrinoless double beta decay of $$^{64}$$Zn and $$^{70}$$Zn with CUPID-0

Author: P. Gorla, F. Ferroni, C. Tomei, Massimiliano Clemenza, L. Pattavina, L. Pagnanini, M. Beretta, S. Di Domizio, K. Schäffner, Claudio Gotti, Stefano Nisi, Paolo Carniti, Laura Cardani, Oliviero Cremonesi, Massimiliano Nastasi, Stefano Pozzi, C. Brofferio, A. S. Zolotarova, S. Pirro, M. Vignati, C. Rusconi, A. D'Addabbo, N. Casali, Angelo Cruciani, Ezio Previtali, Simone Capelli, G. Keppel, Davide Chiesa, Jeffrey W. Beeman, Marco Pallavicini, D. Orlandi, G. Pessina, E. Celi, A. Giuliani, C. Nones, A. Puiu, V. Pettinacci, M. Pavan, I. Dafinei, O. Azzolini, L. Gironi, F. Bellini, M. Biassoni, S.S. Nagorny, C. Bucci, Miriam Lucio Martinez, Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Azzolini, O, Beeman, J, Bellini, F, Beretta, M, Biassoni, M, Brofferio, C, Bucci, C, Capelli, S, Cardani, L, Celi, E, Carniti, P, Casali, N, Chiesa, D, Clemenza, M, Cremonesi, O, Cruciani, A, D'Addabbo, A, Dafinei, I, Domizio, S, Ferroni, F, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Keppel, G, Martinez, M, Nagorny, S, Nastasi, M, Nisi, S, Nones, C, Orlandi, D, Pagnanini, L, Pallavicini, M, Pattavina, L, Pavan, M, Pessina, G, Pettinacci, V, Pirro, S, Pozzi, S, Previtali, E, Puiu, A, Rusconi, C, Schaffner, K, Tomei, C, Vignati, M, and Zolotarova, A
Subjects: neutrinoless double beta decay, scintillating bolometers, Particle physics, Physics - Instrumentation and Detectors, Physics and Astronomy (miscellaneous), Electron capture, FOS: Physical sciences, electron: capture, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 01 natural sciences, isotope enrichment, bolometer, double-beta decay: (0neutrino), Double beta decay, 0103 physical sciences, Beta (velocity), [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Nuclear Experiment (nucl-ex), 010306 general physics, Nuclear Experiment, Engineering (miscellaneous), scintilla- tion detector, Physics, 010308 nuclear & particles physics, Instrumentation and Detectors (physics.ins-det), Gran Sasso, zinc: selenium, calorimeter: cryogenics, cryogenic calorimeter, scintillation counter: crystal, selenium: nuclide, bolometers, experimental results
Abstract: CUPID-0 is the first pilot experiment of CUPID, a next-generation project searching for neutrinoless double beta decay. In its first scientific run, CUPID-0 operated 26 ZnSe cryogenic calorimeters coupled to light detectors in the underground Laboratori Nazionali del Gran Sasso. In this work, we analyzed a ZnSe exposure of 11.34 kg year to search for the neutrinoless double beta decay of $$^{70}$$70Zn and for the neutrinoless positron-emitting electron capture of $$^{64}$$64Zn. We found no evidence for these decays and set 90$$\%$$% credible interval limits of $$\hbox {T}_{1/2}^{0\nu \beta \beta }$$T1/20νββ($$^{70}$$70Zn) > 1.6 $$10^{21}$$1021 year and $$\hbox {T}_{1/2}^{0\nu EC \beta +}$$T1/20νECβ+($$^{64}$$64Zn) > 1.2$$\times 10^{22}$$×1022 year, surpassing by more than one order of magnitude the previous experimental results (Belli et al. in J Phys G 38(11):115107, https://doi.org/10.1088/0954-3899/38/11/115107, 2011).
Published: 2020
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39. Double beta decay results from the CUPID-0 experiment

Author: Davide Chiesa, C. Nones, S. Nagorny, A. D'Addabbo, C. Bucci, P. Gorla, F. Ferroni, L. Pagnanini, Silvia Capelli, Massimiliano Nastasi, J. W. Beeman, N. Casali, M. I. Martínez, M. Biassoni, S. Di Domizio, M. Beretta, Francesca Bellini, K. Schäffner, Stefano Pozzi, Marco Pallavicini, C. Brofferio, G. Pessina, M. Vignati, A. S. Zolotarova, S. Nisi, Ioan Dafinei, L. Gironi, A. Puiu, A. Cruciani, Claudio Gotti, V. Pettinacci, O. Azzolini, L. Pattavina, L. Cardani, Oliviero Cremonesi, Stefano Pirro, D. Orlandi, E. Celi, M. Pavan, C. Rusconi, Giorgio Keppel, Claudia Tomei, Ezio Previtali, Paolo Carniti, M. Clemenza, A. Giuliani, Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Chiesa, D, Azzolini, O, Beeman, J, Bellini, F, Beretta, M, Biassoni, M, Brofferio, C, Bucci, C, Capelli, S, Cardani, L, Celi, E, Carniti, P, Casali, N, Clemenza, M, Cremonesi, O, Cruciani, A, D'Addabbo, A, Dafinei, I, Di Domizio, S, Ferroni, F, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Keppel, G, Martinez, M, Nagorny, S, Nastasi, M, Nisi, S, Nones, C, Orlandi, D, Pagnanini, L, Pallavicini, M, Pattavina, L, Pavan, M, Pessina, G, Pettinacci, V, Pirro, S, Pozzi, S, Previtali, E, Puiu, A, Rusconi, C, Schaffner, K, Tomei, C, Vignati, M, and Zolotarova, A
Subjects: Physics, Detector, Phase (waves), background: model, double beta decay, FOS: Physical sciences, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 7. Clean energy, Nuclear physics, electron: spectrum, nucleus: transition, Double beta decay, calorimeter: cryogenics, detector: energy resolution, double-beta decay: (2neutrino), scintillation counter: crystal, Nuclear Experiment (nucl-ex), energy resolution: high, Nuclear Experiment, Counting rate, experimental results
Abstract: A convincing observation of neutrino-less double beta decay (0$\nu$DBD) relies on the possibility of operating high energy-resolution detectors in background-free conditions. Scintillating cryogenic calorimeters are one of the most promising tools to fulfill the requirements for a next-generation experiment. Several steps have been taken to demonstrate the maturity of this technique, starting from the successful experience of CUPID-0. The CUPID-0 experiment demonstrated the complete rejection of the dominant alpha background measuring the lowest counting rate in the region of interest for this technique. Furthermore, the most stringent limit on the $^{82}$Se 0$\nu$DBD was established running 26 ZnSe crystals during two years of continuous detector operation. In this contribution we present the final results of CUPID-0 Phase I including a detailed model of the background, the measurement of the $^{82}$Se 2$\nu$DBD half-life and the evidence that this nuclear transition is single state dominated., Comment: 40th International Conference on High Energy physics - ICHEP2020 July 28 - August 6, 2020 Prague, Czech Republic (virtual meeting)
Published: 2020
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40. Improved Limit on Neutrinoless Double-Beta Decay in Te130 with CUORE

Author: Yudi Ma, Massimiliano Clemenza, C. Pagliarone, Carlo Cosmelli, B. S. Wang, Silvia Capelli, Massimiliano Nastasi, S. Pirro, N. Chott, C. Brofferio, C. Rosenfeld, V. Novati, Davide Chiesa, A. Caminata, L. Ma, V. Dompè, Ezio Previtali, Marco Pallavicini, A. D'Addabbo, P. Gorla, F. Ferroni, C. Tomei, James R. Wilson, B. Welliver, K. Wilson, Emanuele Ferri, Carlo Ligi, A. Campani, R. G. Huang, I. Nutini, D. Q. Adams, I. Dafinei, M. Sakai, Jonathan Ouellet, G. Bari, K. Alfonso, Giovanni Benato, N. D. Scielzo, C. Nones, E. Fiorini, C. Bucci, Lucia Canonica, S. Di Domizio, A. Puiu, T. D. Gutierrez, C. Rusconi, M. Faverzani, Deqing Fang, C. J. Davis, Laura Cardani, B. K. Fujikawa, L. Zanotti, F. Bellini, S. Morganti, Stefano Dell'Oro, A. Branca, L. Marini, M. Vignati, S. L. Wagaarachchi, S. Pozzi, J. Johnston, L. Pattavina, A. Giachero, V. Sharma, R. J. Creswick, L. Cappelli, B. Schmidt, T. Napolitano, G. Pessina, N. Moggi, A. Giuliani, Stefano Zucchelli, O. Azzolini, M. Biassoni, V. Pettinacci, Samuele Sangiorgio, A. Nucciotti, M. Sisti, S. Copello, C. Alduino, G. Fantini, S. Zimmermann, D. D'Aguanno, L. Pagnanini, L. Gironi, F. T. Avignone, Paolo Carniti, M. A. Franceschi, Eric B. Norman, M. Pavan, J. Nikkel, P. T. Surukuchi, Lindley Winslow, T. O'Donnell, F. Terranova, H. Z. Huang, Y. Mei, Xiangyu Cao, G. Keppel, Oliviero Cremonesi, K. M. Heeger, Ke Han, Reina H. Maruyama, Stuart J. Freedman, N. Casali, Yu. G. Kolomensky, Claudio Gotti, C. Pira, L. Taffarello, Virendra Singh, and Danielle Speller
Subjects: Physics, Semileptonic decay, Particle physics, General Physics and Astronomy, 01 natural sciences, Lower limit, MAJORANA, CUORE, Double beta decay, 0103 physical sciences, Limit (mathematics), Sensitivity (control systems), Neutrino, 010306 general physics
Abstract: We report new results from the search for neutrinoless double-beta decay in ^{130} Te with the CUORE detector. This search benefits from a fourfold increase in exposure, lower trigger thresholds, and analysis improvements relative to our previous results. We observe a background of (1.38±0.07)×10^{-2} counts/(keV kg yr)) in the 0νββ decay region of interest and, with a total exposure of 372.5 kg yr, we attain a median exclusion sensitivity of 1.7×10^{25} yr. We find no evidence for 0νββ decay and set a 90% credibility interval Bayesian lower limit of 3.2×10^{25} yr on the ^{130} Te half-life for this process. In the hypothesis that 0νββ decay is mediated by light Majorana neutrinos, this results in an upper limit on the effective Majorana mass of 75-350 meV, depending on the nuclear matrix elements used.
Published: 2020
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41. Perspectives of lowering CUORE thresholds with Optimum Trigger

Author: Monica Sisti, A. Bersani, C. Brofferio, G. Fantini, A. Caminata, Marco Pallavicini, B. Welliver, C. Pagliarone, R. G. Huang, M. Faverzani, Y. u. G. Kolomensky, H. Z. Huang, G. Keppel, Massimiliano Nastasi, Yudi Ma, S. Pozzi, S. L. Wagaarachchi, C. Cosmelli, A. Giuliani, C. Pira, C. Rusconi, Ke Han, A. Branca, N. D. Scielzo, Reina H. Maruyama, N. Casali, Stefano Dell'Oro, Lucia Canonica, F. Bellini, I. Dafinei, V. Novati, T. Wise, V. Pettinacci, Davide Chiesa, Stefano Zucchelli, Laura Cardani, L. Gironi, M. Pavan, B. K. Fujikawa, Y. Mei, V. Singh, D. D'Aguanno, F. T. Avignone, L. Taffarello, R. J. Creswick, C. Rosenfeld, P. Gorla, Danielle Speller, F. Ferroni, C. Tomei, M. Vignati, E. Previtali, Simone Capelli, D. Q. Adams, L. Marini, C. J. Davis, K. Alfonso, T. O'Donnell, B. Schmidt, N. Chott, C. Nones, A. Puiu, Lindley Winslow, S. Zimmermann, Oliviero Cremonesi, J. Johnston, L. Pattavina, Irene Nutini, S. Copello, C. Bucci, Miriam Lucio Martinez, Paolo Carniti, Sergio Di Domizio, S. Pirro, Xi-Guang Cao, E. Fiorini, S. J. Freedman, K. M. Heeger, Luigi Cappelli, T. D. Gutierrez, F. Terranova, K. Wilson, G. Pessina, B. S. Wang, Jonathan Ouellet, G. Bari, O. Azzolini, Evelyn Ferri, N. Moggi, Samuele Sangiorgio, A. Nucciotti, C. Alduino, Jeremy S. Cushman, S. Morganti, L. Zanotti, Carlo Ligi, A. Campani, V. Dompè, A. D'Addabbo, A. Leder, J. S. Wilson, Franceschi, Eric B. Norman, M. Sakai, T. Napolitano, M. Biassoni, Giovanni Benato, A. Drobizhev, C. Gotti, A. Giachero, D. Q. Fang, Massimiliano Clemenza, Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), and Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay
Subjects: Physics, History, CUORE, 010308 nuclear & particles physics, Physics::Instrumentation and Detectors, WIMP nucleus: scattering, trigger: programming, 01 natural sciences, Large target, tellurium: oxygen, Computer Science Applications, Education, Combinatorics, energy: threshold, Low energy, double-beta decay: (0neutrino), 0103 physical sciences, High Energy Physics::Experiment, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, activity report, energy: low
Abstract: Author(s): Dompe, V; Adams, DQ; Alduino, C; Alfonso, K; Avignone, FT; Azzolini, O; Bari, G; Bellini, F; Benato, G; Bersani, A; Biassoni, M; Branca, A; Brofferio, C; Bucci, C; Caminata, A; Campani, A; Canonica, L; Cao, XG; Capelli, S; Cappelli, L; Cardani, L; Carniti, P; Casali, N; Chiesa, D; Chott, N; Clemenza, M; Copello, S; Cosmelli, C; Cremonesi, O; Creswick, RJ; Cushman, JS; D'Addabbo, A; D'Aguanno, D; Dafinei, I; Davis, CJ; Dell'Oro, S; Domizio, SD; Drobizhev, A; Fang, DQ; Fantini, G; Faverzani, M; Ferri, E; Ferroni, F; Fiorini, E; Franceschi, MA; Freedman, SJ; Fujikawa, BK; Giachero, A; Gironi, L; Giuliani, A; Gorla, P; Gotti, C; Gutierrez, TD; Han, K; Heeger, KM; Huang, RG; Huang, HZ; Johnston, J; Keppel, G; Kolomensky, YG; Leder, A; Ligi, C; Ma, YG; Marini, L; Martinez, M; Maruyama, RH; Mei, Y; Moggi, N; Morganti, S; Napolitano, T; Nastasi, M; Nones, C; Norman, EB; Novati, V; Nucciotti, A; Nutini, I; O'Donnell, T; Ouellet, JL; Pagliarone, CE; Pallavicini, M; Pattavina, L; Pavan, M; Pessina, G; Pettinacci, V; Pira, C | Abstract: CUORE is a cryogenic experiment that focuses on the search of neutrinoless double beta decay in 130Te and it is located at the Gran Sasso National Laboratories. Its detector consists of 988 TeO2 crystals operating at a base temperature of ∼10 mK. It is the first ton-scale bolometric experiment ever realized for this purpose. Thanks to its large target mass and ultra-low background, the CUORE detector is also suitable for the search of other rare phenomena. In particular the low energy part of the spectra is interesting for the detection of WIMP-nuclei scattering reactions. One of the most important requirements to perform these studies is represented by the achievement of a stable energy threshold lower than 10 keV. Here, the CUORE capability to accomplish this purpose using a low energy software trigger will be presented and described.
Published: 2020
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42. DEMETRA: Suppression of the Relaxation Induced by Radioactivity in Superconducting Qubits

Author: I. Colantoni, Laura Cardani, N. Casali, M. Vignati, Lukas Gruenhaupt, M. I. Martínez, L. Gironi, Wolfgang Wernsdorfer, Francesco Valenti, Fabio Henriques, Daria Gusenkova, Stefano Pirro, Marc Lagoin, C. Rusconi, Ioan Pop, M. Clemenza, Alexey V. Ustinov, Angelo Cruciani, Gianluigi Catelani, Thibault Charpentier, Cardani, L, Casali, N, Catelani, G, Charpentier, T, Clemenza, M, Colantoni, I, Cruciani, A, Gironi, L, Gruenhaupt, L, Gusenkova, D, Henriques, F, Lagoin, M, Martinez, M, Pirro, S, Pop, I, Rusconi, C, Ustinov, A, Valenti, F, Vignati, M, and Wernsdorfer, W
Subjects: Kinetic inductance detectors, Quantum bits, Radioactivity, Phonon, Cosmic ray, 01 natural sciences, 010305 fluids & plasmas, Kinetic inductance detector, Condensed Matter::Superconductivity, 0103 physical sciences, General Materials Science, ddc:530, 010306 general physics, Computer Science::Databases, Physics, Superconductivity, Condensed matter physics, Quantum bit, Condensed Matter Physics, Condensed Matter::Mesoscopic Systems and Quantum Hall Effect, Atomic and Molecular Physics, and Optics, Qubit, Quasiparticle, Condensed Matter::Strongly Correlated Electrons, Cooper pair, Coherence (physics)
Abstract: Non-equilibrium quasiparticles can deteriorate the performance of superconducting qubits by reducing their coherence. We are investigating a source of quasiparticles that has been too long neglected, namely radioactivity: cosmic rays, environmental radioactivity and contaminants in the materials can all generate phonons of energy sufficient to break Cooper pairs and thus increase the number of quasiparticles. In this contribution, we describe the status of the project and its perspectives.
Published: 2020
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43. BULLKID: BULky and Low-Threshold Kinetic Inductance Detectors

Author: V. Pettinacci, I. Colantoni, Alessandro Monfardini, A. Mazzolari, S. Di Domizio, Riccardo Camattari, Laura Cardani, Vincenzo Guidi, Martino Calvo, M. Vignati, J. Goupy, N. Casali, M. I. Martínez, H. Le Sueur, C. Bellenghi, M. Romagnoni, Angelo Cruciani, Giorgio Pettinari, Cryogénie (NEEL - Cryo), Institut Néel (NEEL), Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Hélium : du fondamental aux applications (NEEL - HELFA), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), and Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019])
Subjects: Silicon, Physics::Instrumentation and Detectors, Dark matter, chemistry.chemical_element, 7. Clean energy, 01 natural sciences, Particle detector, 010305 fluids & plasmas, energy: threshold, phonon: detector, neutrino nucleus: coherent interaction, 0103 physical sciences, General Materials Science, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, induction, activity report, detector: design, Physics, Scattering, Detector, silicon, dark matter: detector, Coherent scattering, Kinetic inductance detectors, Condensed Matter Physics, Atomic and Molecular Physics, and Optics, Computational physics, chemistry, cryogenics, Scalability, High Energy Physics::Experiment, Neutrino, Energy (signal processing)
Abstract: International audience; BULLKID is an R&D project on a cryogenic particle detector to search for rare low-energy processes such as low-mass dark matter and neutrino coherent scattering off nuclei. The detector unit we are designing consists in an array of ~ 100 silicon absorbers sensed by phonon-mediated, microwave-multiplexed kinetic inductance detectors, with energy threshold below 100 eV and total target mass around 30 g. The single detector unit will be engineered to ensure a straightforward scalability to a future kg-scale experiment.
Published: 2020
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44. Results from the CUORE experiment

Author: D. Q. Adams, C. Alduino, K. Alfonso, F. T. Avignone III, O. Azzolini, G. Bari, F. Bellini, G. Benato, M. Biassoni, A. Branca, C. Brofferio, C. Bucci, J. Camilleri, A. Caminata, A. Campani, L. Canonica, X. G. Cao, S. Capelli, L. Cappelli, L. Cardani, P. Carniti, N. Casali, D. Chiesa, M. Clemenza, S. Copello, C. Cosmelli, O. Cremonesi, R. J. Creswick, A. D'Addabbo, D. D'Aguanno, I. Dafinei, C. J. Davis, F. Del Corso, S. Dell'Oro, S. Di Domizio, V. Dompè, D. Q. Fang, G. Fantini, M. Faverzani, E. Ferri, F. Ferroni, E. Fiorini, M. A. Franceschi, S. J. Freedman, B. K. Fujikawa, A. Giachero, L. Gironi, A. Giuliani, P. Gorla, C. Gotti, T. D. Gutierrez, K. Han, K. M. Heeger, R. G. Huang, H. Z. Huang, J. Johnston, G. Keppel, Yu. G. Kolomensky, C. Ligi, L. Ma, Y. G. Ma, L. Marini, R. H. Maruyama, Y. Mei, N. Moggi, S. Morganti, T. Napolitano, M. Nastasi, J. Nikkel, C. Nones, E. B. Norman, V. Novati, A. Nucciotti, I. Nutini, T. O'Donnell, J. L. Ouellet, C. E. Pagliarone, L. Pagnanini, M. Pallavicini, L. Pattavina, M. Pavan, G. Pessina, V. Pettinacci, C. Pira, S. Pirro, S. Pozzi, E. Previtali, A. Puiu, C. Rosenfeld, C. Rusconi, M. Sakai, S. Sangiorgio, B. Schmidt, N. D. Scielzo, V. Singh, M. Sisti, D. Speller, L. Taffarello, F. Terranova, C. Tomei, M. Vignati, S. L. Wagaarachchi, B. S. Wang, B. Welliver, J. Wilson, K. Wilson, L. A. Winslow, L. Zanotti, S. Zimmermann, S. Zucchelli, Adams, D, Alduino, C, Alfonso, K, Avignone III, F, Azzolini, O, Bari, G, Bellini, F, Benato, G, Biassoni, M, Branca, A, Brofferio, C, Bucci, C, Camilleri, J, Caminata, A, Campani, A, Canonica, L, Cao, X, Capelli, S, Cappelli, L, Cardani, L, Carniti, P, Casali, N, Chiesa, D, Clemenza, M, Copello, S, Cosmelli, C, Cremonesi, O, Creswick, R, D'Addabbo, A, D'Aguanno, D, Dafinei, I, Davis, C, Del Corso, F, Dell'Oro, S, Di Domizio, S, Dompè, V, Fang, D, Fantini, G, Faverzani, M, Ferri, E, Ferroni, F, Fiorini, E, Franceschi, M, Freedman, S, Fujikawa, B, Giachero, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Gutierrez, T, Han, K, Heeger, K, Huang, R, Huang, H, Johnston, J, Keppel, G, Kolomensky, Y, Ligi, C, Ma, L, Ma, Y, Marini, L, Maruyama, R, Mei, Y, Moggi, N, Morganti, S, Napolitano, T, Nastasi, M, Nikkel, J, Nones, C, Norman, E, Novati, V, Nucciotti, A, Nutini, I, O'Donnell, T, Ouellet, J, Pagliarone, C, Pagnanini, L, Pallavicini, M, Pattavina, L, Pavan, M, Pessina, G, Pettinacci, V, Pira, C, Pirro, S, Pozzi, S, Previtali, E, Puiu, A, Rosenfeld, C, Rusconi, C, Sakai, M, Sangiorgio, S, Schmidt, B, Scielzo, N, Singh, V, Sisti, M, Speller, D, Taffarello, L, Terranova, F, Tomei, C, Vignati, M, Wagaarachchi, S, Wang, B, Welliver, B, Wilson, J, Wilson, K, Winslow, L, Zanotti, L, Zimmermann, S, and Zucchelli, S
Subjects: neutrinoless double beta decay
Published: 2020

45. Lowering the Energy Threshold of the CUORE Experiment: Benefits in the Surface Alpha Events Reconstruction: Comparison Between Optimum Trigger and Derivative Trigger Performance in the Search for 0 νββ

Author: L. Pattavina, Marco Pallavicini, L. Canonica, L. Marini, S. Di Domizio, C. Bucci, T. D. Gutierrez, G. Pessina, K. Wilson, Stefano Dell'Oro, Jonathan Ouellet, J. Johnston, G. Bari, Laura Cardani, L. Zanotti, J. Nikkel, L. Gironi, F. T. Avignone, H. Z. Huang, B. K. Fujikawa, G. Keppel, Stefano Pozzi, Y. G. Ma, Massimiliano Clemenza, Carlo Cosmelli, Davide Chiesa, C. Nones, A. Puiu, V. Pettinacci, S. Zucchelli, N. D. Scielzo, L. Pagnanini, C. Brofferio, T. O'Donnell, D. Q. Fang, Claudio Gotti, Ke Han, Reina H. Maruyama, M. Vignati, C. Rusconi, Stuart J. Freedman, D. D'Aguanno, Ettore Fiorini, V. Novati, James R. Wilson, Andrea Giachero, C. Rosenfeld, P. Gorla, F. Ferroni, C. Tomei, M. A. Franceschi, C. Pagliarone, D. Q. Adams, R. G. Huang, N. Casali, F. Terranova, Vasundhara Singh, K. Alfonso, C. J. Davis, Monica Sisti, B. Schmidt, Eric B. Norman, B. S. Wang, L. Ma, O. Azzolini, Y. Mei, Lindley Winslow, V. Sharma, T. Napolitano, S. Copello, I. Dafinei, M. Sakai, Paolo Carniti, Silvia Capelli, Xi-Guang Cao, Massimiliano Nastasi, K. M. Heeger, F. Bellini, S. Pirro, L. Cappelli, Oliviero Cremonesi, M. Biassoni, R. J. Creswick, G. Fantini, M. Pavan, V. Dompè, Giovanni Benato, A. D'Addabbo, C. Pira, A. Caminata, Ezio Previtali, S. Morganti, B. Welliver, Carlo Ligi, Evelyn Ferri, N. Moggi, Samuele Sangiorgio, A. Campani, A. Nucciotti, C. Alduino, M. Faverzani, Yu. G. Kolomensky, A. Branca, L. Taffarello, A. Giuliani, Danielle Speller, S. L. Wagaarachchi, N. Chott, Irene Nutini, S. Zimmermann, Campani, A, Adams, D, Alduino, C, Alfonso, K, Avignone, F, Azzolini, O, Bari, G, Bellini, F, Benato, G, Biassoni, M, Branca, A, Brofferio, C, Bucci, C, Caminata, A, Canonica, L, Cao, X, Capelli, S, Cappelli, L, Cardani, L, Carniti, P, Casali, N, Chiesa, D, Chott, N, Clemenza, M, Copello, S, Cosmelli, C, Cremonesi, O, Creswick, R, D'Addabbo, A, D'Aguanno, D, Dafinei, I, Davis, C, Dell'Oro, S, Di Domizio, S, Dompe, V, Fang, D, Fantini, G, Faverzani, M, Ferri, E, Ferroni, F, Fiorini, E, Franceschi, M, Freedman, S, Fujikawa, B, Giachero, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Gutierrez, T, Han, K, Heeger, K, Huang, R, Huang, H, Johnston, J, Keppel, G, Kolomensky, Y, Ligi, C, Ma, Y, Ma, L, Marini, L, Maruyama, R, Mei, Y, Moggi, N, Morganti, S, Napolitano, T, Nastasi, M, Nikkel, J, Nones, C, Norman, E, Novati, V, Nucciotti, A, Nutini, I, O'Donnell, T, Ouellet, J, Pagliarone, C, Pagnanini, L, Pallavicini, M, Pattavina, L, Pavan, M, Pessina, G, Pettinacci, V, Pira, C, Pirro, S, Pozzi, S, Previtali, E, Puiu, A, Rosenfeld, C, Rusconi, C, Sakai, M, Sangiorgio, S, Schmidt, B, Scielzo, N, Sharma, V, Singh, V, Sisti, M, Speller, D, Taffarello, L, Terranova, F, Tomei, C, Vignati, M, Wagaarachchi, S, Wang, B, Welliver, B, Wilson, J, Wilson, K, Winslow, L, Zanotti, L, Zimmermann, S, Zucchelli, S, Campani A., Adams D.Q., Alduino C., Alfonso K., Avignone F.T., Azzolini O., Bari G., Bellini F., Benato G., Biassoni M., Branca A., Brofferio C., Bucci C., Caminata A., Canonica L., Cao X.G., Capelli S., Cappelli L., Cardani L., Carniti P., Casali N., Chiesa D., Chott N., Clemenza M., Copello S., Cosmelli C., Cremonesi O., Creswick R.J., D'Addabbo A., D'Aguanno D., Dafinei I., Davis C.J., Dell'Oro S., Di Domizio S., Dompe V., Fang D.Q., Fantini G., Faverzani M., Ferri E., Ferroni F., Fiorini E., Franceschi M.A., Freedman S.J., Fujikawa B.K., Giachero A., Gironi L., Giuliani A., Gorla P., Gotti C., Gutierrez T.D., Han K., Heeger K.M., Huang R.G., Huang H.Z., Johnston J., Keppel G., Kolomensky Y.G., Ligi C., Ma Y.G., Ma L., Marini L., Maruyama R.H., Mei Y., Moggi N., Morganti S., Napolitano T., Nastasi M., Nikkel J., Nones C., Norman E.B., Novati V., Nucciotti A., Nutini I., O'Donnell T., Ouellet J.L., Pagliarone C.E., Pagnanini L., Pallavicini M., Pattavina L., Pavan M., Pessina G., Pettinacci V., Pira C., Pirro S., Pozzi S., Previtali E., Puiu A., Rosenfeld C., Rusconi C., Sakai M., Sangiorgio S., Schmidt B., Scielzo N.D., Sharma V., Singh V., Sisti M., Speller D., Taffarello L., Terranova F., Tomei C., Vignati M., Wagaarachchi S.L., Wang B.S., Welliver B., Wilson J., Wilson K., Winslow L.A., Zanotti L., Zimmermann S., and Zucchelli S.
Subjects: Particle physics, Bolometers for dark matter research, Physics::Instrumentation and Detectors, trigger algorithm, 01 natural sciences, Coincidence, law.invention, CUORE, WIMP, law, Double beta decay, 0103 physical sciences, General Materials Science, Neutrinoless double beta decay, 010306 general physics, Axion, Physics, 010308 nuclear & particles physics, Scattering, Bolometer, Astrophysics::Instrumentation and Methods for Astrophysics, Trigger algorithms, Condensed Matter Physics, Digital signal processing, Atomic and Molecular Physics, and Optics, Energy (signal processing)
Abstract: CUORE is a tonne-scale cryogenic experiment located at the Laboratori Nazionali del Gran Sasso that exploits bolometric technique to search for neutrinoless double beta decay of 130Te. Thanks to its very low background and large mass, CUORE is also a powerful tool to study a broad class of phenomena, such as solar axions and WIMP scattering. The ability to conduct such sensitive searches crucially depends on the energy threshold, which has to be kept as low as possible. In this contribution, we show how the trigger algorithm affects the sensitivity to low-energy phenomena and the interpretation of the energy spectrum. In particular, we focus on the impact that the trigger algorithm has on the identification of the coincidence events among different crystals and, consequently, on the reconstruction of the background.
Published: 2020

46. The CUORE Data Acquisition System

Author: L. Marini, Marco Pallavicini, Antonio Branca, Elena Guardincerri, S. Di Domizio, Lucia Canonica, M. Vignati, A. Caminata, Andrea Giachero, S. Copello, Copello, S, Di Domizio, S, Branca, A, Caminata, A, Canonica, L, Giachero, A, Guardincerri, E, Marini, L, Pallavicini, M, and Vignati, M
Subjects: Physics, CUORE, Bolometer, Dark matter, Data acquisition, Condensed Matter Physics, Bolometers, 01 natural sciences, Double beta decay, Atomic and Molecular Physics, and Optics, 010305 fluids & plasmas, law.invention, Nuclear physics, law, 0103 physical sciences, General Materials Science, CUPID-0, 010306 general physics
Abstract: Large mass bolometers, thanks to their good energy resolution and high radiopurity, can be used for rare event searches, such as neutrinoless double beta decay or dark matter direct detection. The bolometric technique has been adopted by the CUORE experiment which is composed by an array of 988 tellurium dioxide bolometers with a total active mass of 741kg. The experiment started taking data in April 2017 at the Laboratori Nazionali del Gran Sasso (LNGS), Italy, with the scientific goal of searching for neutrinoless double beta decay of 130-Te. Given the increasing number of channels to be acquired, the readout chain became an important aspect of the construction of bolometer arrays. The CUORE data acquisition system here described, called Apollo, was initially developed for CUORE, but its high modularity and flexibility make it possible to use it also in other experiments, regardless of the specific characteristics of the setup such as the number of channels and the bolometer characteristics. Indeed, it has been used not only in CUORE but also in its predecessor CUORE-0, R&D projects and upgrades such as CUPID-0.
Published: 2020

47. Pulse Response of a Kinetic Inductance Detector in the Nonlinear Regime

Author: Angelo Cruciani, Laura Cardani, M. Vignati, N. Casali, Chiara Bellenghi, I. Colantoni, and Giorgio Pettinari
Subjects: Physics, Photon, business.industry, Physics::Instrumentation and Detectors, Amplifier, Microwave kinetic inductance detectors, Detector, Condensed Matter Physics, 01 natural sciences, Atomic and Molecular Physics, and Optics, Kinetic inductance, 010305 fluids & plasmas, Power (physics), Thermal effects, Resonator, Nonlinear system, Optics, Kinetic inductance nonlinearity, 0103 physical sciences, General Materials Science, 010306 general physics, business, Sensitivity (electronics)
Abstract: Over the last few years, kinetic inductance detectors (KIDs) became the object of increasing interest as photon and phonon detectors. From this perspective, the pulse response of such detectors deserves an in-depth study. In most applications, the sensitivity of the KID is ultimately limited by the white noise from the cryogenic amplifier, which is reduced by increasing the power supplied to the device. On the other hand, a high readout power leads to a nonlinear response of the microresonator, originating from the dependence on the current acquired by the kinetic inductance. This paper describes a model for the response to optical pulses of a KID driven to the nonlinear regime, taking into account not only the electrical effects but also the thermal ones induced by power absorption. The model has been validated on data collected using an aluminium resonator developed within the CALDER project (http://www.roma1.infn.it/exp/calder/).
Published: 2020
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48. Status and results from the CUORE experiment

Author: C. Bucci, T. D. Gutierrez, Silvia Capelli, Massimiliano Nastasi, C. Pira, L. Gironi, F. T. Avignone, X. G. Cao, S. Di Domizio, V. Dompè, L. Taffarello, Danielle Speller, L. Cappelli, Laura Cardani, H. Z. Huang, M. Pavan, M. A. Franceschi, B. K. Fujikawa, Stefano Pozzi, Carlo Ligi, C. Pagliarone, Y. Mei, Massimiliano Clemenza, Carlo Cosmelli, Stefano Dell'Oro, A. D’Addabbo, M. Vignati, Lindley Winslow, A. Campani, S. Zucchelli, G. Keppel, K. Wilson, Davide Chiesa, Claudio Gotti, R. G. Huang, M. Faverzani, Jonathan Ouellet, G. Bari, A. Branca, C. Brofferio, L. Ma, Deqing Fang, S. Pirro, C. Rusconi, N. Casali, A. Caminata, Ezio Previtali, S. Zimmermann, S. L. Wagaarachchi, S. Morganti, T. O'Donnell, B. Welliver, K. M. Heeger, G. Fantini, C. Nones, A. Puiu, V. Pettinacci, V. Sharma, D. D'Aguanno, J. Nikkel, N. Chott, Oliviero Cremonesi, Marco Pallavicini, G. Pessina, A. Giuliani, Yu. G. Kolomensky, Ke Han, Reina H. Maruyama, C. Rosenfeld, Stuart J. Freedman, P. Gorla, F. Ferroni, C. Tomei, C. J. Davis, L. Zanotti, Irene Nutini, Evelyn Ferri, Yu-Gang Ma, F. Terranova, N. Moggi, Samuele Sangiorgio, P. T. Surukuchi, A. Nucciotti, L. Pagnanini, C. Alduino, S. Copello, Paolo Carniti, Ettore Fiorini, V. Novati, Andrea Giachero, D. Q. Adams, K. Alfonso, L. Pattavina, N. D. Scielzo, L. Canonica, L. Marini, Vasundhara Singh, J. Johnston, B. Schmidt, B. S. Wang, O. Azzolini, I. Dafinei, M. Sakai, James R. Wilson, F. Bellini, Monica Sisti, R. J. Creswick, Giovanni Benato, Eric B. Norman, T. Napolitano, M. Biassoni, Campani, A, Adams, D, Alduino, C, Alfonso, K, Avignone, F, Azzolini, O, Bari, G, Bellini, F, Benato, G, Biassoni, M, Branca, A, Brofferio, C, Bucci, C, Caminata, A, Canonica, L, Cao, X, Capelli, S, Cappelli, L, Cardani, L, Carniti, P, Casali, N, Chiesa, D, Chott, N, Clemenza, M, Copello, S, Cosmelli, C, Cremonesi, O, Creswick, R, D'Addabbo, A, D'Aguanno, D, Dafinei, I, Davis, C, Dell'Oro, S, Di Domizio, S, Dompe, V, Fang, D, Fantini, G, Faverzani, M, Ferri, E, Ferroni, F, Fiorini, E, Franceschi, M, Freedman, S, Fujikawa, B, Giachero, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Gutierrez, T, Han, K, Heeger, K, Huang, R, Huang, H, Johnston, J, Keppel, G, Kolomensky, Y, Ligi, C, Ma, Y, Ma, L, Marini, L, Maruyama, R, Mei, Y, Moggi, N, Morganti, S, Napolitano, T, Nastasi, M, Nikkel, J, Nones, C, Norman, E, Novati, V, Nucciotti, A, Nutini, I, O'Donnell, T, Ouellet, J, Pagliarone, C, Pagnanini, L, Pallavicini, M, Pattavina, L, Pavan, M, Pessina, G, Pettinacci, V, Pira, C, Pirro, S, Pozzi, S, Previtali, E, Puiu, A, Rosenfeld, C, Rusconi, C, Sakai, M, Sangiorgio, S, Schmidt, B, Scielzo, N, Sharma, V, Singh, V, Sisti, M, Speller, D, Surukuchi, P, Taffarello, L, Terranova, F, Tomei, C, Vignati, M, Wagaarachchi, S, Wang, B, Welliver, B, Wilson, J, Wilson, K, Winslow, L, Zanotti, L, Zimmermann, S, Zucchelli, S, Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Département de Physique des Particules (ex SPP) (DPhP), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, CUORE, and Département de Physique des Particules (ex SPP) (DPP)
Subjects: Nuclear and High Energy Physics, data analysis method, background: model, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 01 natural sciences, Combinatorics, CUORE, double-beta decay: (0neutrino), bolometer, 0103 physical sciences, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Neutrinoless double beta decay, 010306 general physics, activity report, Physics, 010308 nuclear & particles physics, 29.90.+r, Astronomy and Astrophysics, Background model, Atomic and Molecular Physics, and Optics, tellurium: nuclide, data management, Two-neutrino double beta decay, background model, two-neutrino double beta decay, experimental results
Abstract: Author(s): Campani, A; Adams, DQ; Alduino, C; Alfonso, K; Avignone, FT; Azzolini, O; Bari, G; Bellini, F; Benato, G; Biassoni, M; Branca, A; Brofferio, C; Bucci, C; Caminata, A; Canonica, L; Cao, XG; Capelli, S; Cappelli, L; Cardani, L; Carniti, P; Casali, N; Chiesa, D; Chott, N; Clemenza, M; Copello, S; Cosmelli, C; Cremonesi, O; Creswick, RJ; D'Addabbo, A; D'Aguanno, D; Dafinei, I; Davis, CJ; Dell'oro, S; Di Domizio, S; Dompe, V; Fang, DQ; Fantini, G; Faverzani, M; Ferri, E; Ferroni, F; Fiorini, E; Franceschi, MA; Freedman, SJ; Fujikawa, BK; Giachero, A; Gironi, L; Giuliani, A; Gorla, P; Gotti, C; Gutierrez, TD; Han, K; Heeger, KM; Huang, RG; Huang, HZ; Johnston, J; Keppel, G; Kolomensky, YG; Ligi, C; Ma, YG; Ma, L; Marini, L; Maruyama, RH; Mei, Y; Moggi, N; Morganti, S; Napolitano, T; Nastasi, M; Nikkel, J; Nones, C; Norman, EB; Novati, V; Nucciotti, A; Nutini, I; O'Donnell, T; Ouellet, JL; Pagliarone, CE; Pagnanini, L; Pallavicini, M; Pattavina, L; Pavan, M; Pessina, G; Pettinacci, V; Pira, C; Pirro, S; Pozzi, S | Abstract: The Cryogenic Underground Observatory for Rare Events (CUORE) is a tonne-scale cryogenic experiment located at the Laboratori Nazionali del Gran Sasso that exploits bolometric technique to search for neutrinoless double beta decay (0νββ) of 130Te. The detector consists of a segmented array of 988 natural TeO2 cubic crystals arranged in a cylindrical compact structure of 19 towers. The detector construction was completed in August 2016 and data taking started in Spring 2017. In this work, we present a brief description of the bolometric technique for rare events search and the CUORE detector, then we concentrate on the data analysis results. In this respect, we focus on the procedure for data processing and on the first 0νββ results we obtained from a total TeO2 exposure of 86.3kg yr. Next, we illustrate the main background sources and the CUORE background model, from which we obtain the most precise measurement of 130Te 2νββ half-life to date. Finally, we discuss the improvements achieved with 2018 and 2019 detector optimization campaigns and the current perspectives of our experiment.
Published: 2020
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49. Final results of the CUPID-0 Phase i experiment

Author: G. Keppel, C. Nones, N. Casali, A. Puiu, S. Pozzi, Massimiliano Clemenza, C. Bucci, Miriam Lucio Martinez, Angelo Cruciani, Oliviero Cremonesi, S. S. Nagorny, Silvia Capelli, Massimiliano Nastasi, D. Orlandi, Marco Pallavicini, L. Pagnanini, C. Brofferio, A. S. Zolotarova, G. Pessina, A. Giuliani, L. Gironi, C. Gotti, I. Dafinei, Stefano Nisi, Paolo Carniti, M. Pavan, Davide Chiesa, S. Pirro, L. Pattavina, F. Bellini, Jeffrey W. Beeman, O. Azzolini, S. Di Domizio, Laura Cardani, M. Vignati, K. Schäffner, C. Rusconi, P. Gorla, F. Ferroni, C. Tomei, V. Pettinacci, M. Beretta, E. Previtali, M. Biassoni, Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Casali, N, Azzolini, O, Beeman, J, Bellini, F, Beretta, M, Biassoni, M, Brofferio, C, Bucci, C, Capelli, S, Cardani, L, Carniti, P, Chiesa, D, Clemenza, M, Cremonesi, O, Cruciani, A, Dafinei, I, Di Domizio, S, Ferroni, F, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Keppel, G, Martinez, M, Nagorny, S, Nastasi, M, Nisi, S, Nones, C, Orlandi, D, Pagnanini, L, Pallavicini, M, Pattavina, L, Pavan, M, Pessina, G, Pettinacci, V, Pirro, S, Pozzi, S, Previtali, E, Puiu, A, Rusconi, C, Schaffner, K, Tomei, C, Vignati, M, and Zolotarova, A
Subjects: Physics, History, Detector, Phase (waves), talk: Toyama 2019/09/09, background: model, 01 natural sciences, Double beta decay, 010305 fluids & plasmas, Computer Science Applications, Education, crystal, Gran Sasso, Nuclear physics, double-beta decay: (0neutrino), 0103 physical sciences, calorimeter: cryogenics, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], detector: resolution, 010306 general physics, Counting rate, experimental results
Abstract: International audience; A convincing observation of neutrino-less double beta decay (0vDBD) relies on the possibility of operating high-energy resolution detectors in background-free conditions. Scintillating cryogenic calorimeters are one of the most promising tools to fulfill the requirements for a next-generation experiment. Several steps have been taken to demonstrate the maturity of this technique, starting form the successful experience of CUPID-0. The CUPID-0 experiment collected almost 10 kg y of exposure, running 26 Zn82Se crystals during two years of continuous detector operation. The complete rejection of the dominant α background was demonstrated, measuring the lowest counting rate in the region of interest for this technique. Furthermore, the most stringent limit on the 82Se 0vDBD was established. In this contribution we present the final results of CUPID-0 phase-I, including a detailed model of the background and the measurement of the 2vDBD half-life.
Published: 2020
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50. Results from the CUORE experiment

Author: Adams, D, Alduino, C, Alfonso, K, Avignone III, F, Azzolini, O, Bari, G, Bellini, F, Benato, G, Biassoni, M, Branca, A, Brofferio, C, Bucci, C, Camilleri, J, Caminata, A, Campani, A, Canonica, L, Cao, X, Capelli, S, Cappelli, L, Cardani, L, Carniti, P, Casali, N, Chiesa, D, Clemenza, M, Copello, S, Cosmelli, C, Cremonesi, O, Creswick, R, D'Addabbo, A, D'Aguanno, D, Dafinei, I, Davis, C, Del Corso, F, Dell'Oro, S, Di Domizio, S, Dompè, V, Fang, D, Fantini, G, Faverzani, M, Ferri, E, Ferroni, F, Fiorini, E, Franceschi, M, Freedman, S, Fujikawa, B, Giachero, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Gutierrez, T, Han, K, Heeger, K, Huang, R, Huang, H, Johnston, J, Keppel, G, Kolomensky, Y, Ligi, C, Ma, L, Ma, Y, Marini, L, Maruyama, R, Mei, Y, Moggi, N, Morganti, S, Napolitano, T, Nastasi, M, Nikkel, J, Nones, C, Norman, E, Novati, V, Nucciotti, A, Nutini, I, O'Donnell, T, Ouellet, J, Pagliarone, C, Pagnanini, L, Pallavicini, M, Pattavina, L, Pavan, M, Pessina, G, Pettinacci, V, Pira, C, Pirro, S, Pozzi, S, Previtali, E, Puiu, A, Rosenfeld, C, Rusconi, C, Sakai, M, Sangiorgio, S, Schmidt, B, Scielzo, N, Singh, V, Sisti, M, Speller, D, Taffarello, L, Terranova, F, Tomei, C, Vignati, M, Wagaarachchi, S, Wang, B, Welliver, B, Wilson, J, Wilson, K, Winslow, L, Zanotti, L, Zimmermann, S, Zucchelli, S, D. Q. Adams, C. Alduino, K. Alfonso, F. T. Avignone III, O. Azzolini, G. Bari, F. Bellini, G. Benato, M. Biassoni, A. Branca, C. Brofferio, C. Bucci, J. Camilleri, A. Caminata, A. Campani, L. Canonica, X. G. Cao, S. Capelli, L. Cappelli, L. Cardani, P. Carniti, N. Casali, D. Chiesa, M. Clemenza, S. Copello, C. Cosmelli, O. Cremonesi, R. J. Creswick, A. D'Addabbo, D. D'Aguanno, I. Dafinei, C. J. Davis, F. Del Corso, S. Dell'Oro, S. Di Domizio, V. Dompè, D. Q. Fang, G. Fantini, M. Faverzani, E. Ferri, F. Ferroni, E. Fiorini, M. A. Franceschi, S. J. Freedman, B. K. Fujikawa, A. Giachero, L. Gironi, A. Giuliani, P. Gorla, C. Gotti, T. D. Gutierrez, K. Han, K. M. Heeger, R. G. Huang, H. Z. Huang, J. Johnston, G. Keppel, Yu. G. Kolomensky, C. Ligi, L. Ma, Y. G. Ma, L. Marini, R. H. Maruyama, Y. Mei, N. Moggi, S. Morganti, T. Napolitano, M. Nastasi, J. Nikkel, C. Nones, E. B. Norman, V. Novati, A. Nucciotti, I. Nutini, T. O'Donnell, J. L. Ouellet, C. E. Pagliarone, L. Pagnanini, M. Pallavicini, L. Pattavina, M. Pavan, G. Pessina, V. Pettinacci, C. Pira, S. Pirro, S. Pozzi, E. Previtali, A. Puiu, C. Rosenfeld, C. Rusconi, M. Sakai, S. Sangiorgio, B. Schmidt, N. D. Scielzo, V. Singh, M. Sisti, D. Speller, L. Taffarello, F. Terranova, C. Tomei, M. Vignati, S. L. Wagaarachchi, B. S. Wang, B. Welliver, J. Wilson, K. Wilson, L. A. Winslow, L. Zanotti, S. Zimmermann, S. Zucchelli, Adams, D, Alduino, C, Alfonso, K, Avignone III, F, Azzolini, O, Bari, G, Bellini, F, Benato, G, Biassoni, M, Branca, A, Brofferio, C, Bucci, C, Camilleri, J, Caminata, A, Campani, A, Canonica, L, Cao, X, Capelli, S, Cappelli, L, Cardani, L, Carniti, P, Casali, N, Chiesa, D, Clemenza, M, Copello, S, Cosmelli, C, Cremonesi, O, Creswick, R, D'Addabbo, A, D'Aguanno, D, Dafinei, I, Davis, C, Del Corso, F, Dell'Oro, S, Di Domizio, S, Dompè, V, Fang, D, Fantini, G, Faverzani, M, Ferri, E, Ferroni, F, Fiorini, E, Franceschi, M, Freedman, S, Fujikawa, B, Giachero, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Gutierrez, T, Han, K, Heeger, K, Huang, R, Huang, H, Johnston, J, Keppel, G, Kolomensky, Y, Ligi, C, Ma, L, Ma, Y, Marini, L, Maruyama, R, Mei, Y, Moggi, N, Morganti, S, Napolitano, T, Nastasi, M, Nikkel, J, Nones, C, Norman, E, Novati, V, Nucciotti, A, Nutini, I, O'Donnell, T, Ouellet, J, Pagliarone, C, Pagnanini, L, Pallavicini, M, Pattavina, L, Pavan, M, Pessina, G, Pettinacci, V, Pira, C, Pirro, S, Pozzi, S, Previtali, E, Puiu, A, Rosenfeld, C, Rusconi, C, Sakai, M, Sangiorgio, S, Schmidt, B, Scielzo, N, Singh, V, Sisti, M, Speller, D, Taffarello, L, Terranova, F, Tomei, C, Vignati, M, Wagaarachchi, S, Wang, B, Welliver, B, Wilson, J, Wilson, K, Winslow, L, Zanotti, L, Zimmermann, S, Zucchelli, S, D. Q. Adams, C. Alduino, K. Alfonso, F. T. Avignone III, O. Azzolini, G. Bari, F. Bellini, G. Benato, M. Biassoni, A. Branca, C. Brofferio, C. Bucci, J. Camilleri, A. Caminata, A. Campani, L. Canonica, X. G. Cao, S. Capelli, L. Cappelli, L. Cardani, P. Carniti, N. Casali, D. Chiesa, M. Clemenza, S. Copello, C. Cosmelli, O. Cremonesi, R. J. Creswick, A. D'Addabbo, D. D'Aguanno, I. Dafinei, C. J. Davis, F. Del Corso, S. Dell'Oro, S. Di Domizio, V. Dompè, D. Q. Fang, G. Fantini, M. Faverzani, E. Ferri, F. Ferroni, E. Fiorini, M. A. Franceschi, S. J. Freedman, B. K. Fujikawa, A. Giachero, L. Gironi, A. Giuliani, P. Gorla, C. Gotti, T. D. Gutierrez, K. Han, K. M. Heeger, R. G. Huang, H. Z. Huang, J. Johnston, G. Keppel, Yu. G. Kolomensky, C. Ligi, L. Ma, Y. G. Ma, L. Marini, R. H. Maruyama, Y. Mei, N. Moggi, S. Morganti, T. Napolitano, M. Nastasi, J. Nikkel, C. Nones, E. B. Norman, V. Novati, A. Nucciotti, I. Nutini, T. O'Donnell, J. L. Ouellet, C. E. Pagliarone, L. Pagnanini, M. Pallavicini, L. Pattavina, M. Pavan, G. Pessina, V. Pettinacci, C. Pira, S. Pirro, S. Pozzi, E. Previtali, A. Puiu, C. Rosenfeld, C. Rusconi, M. Sakai, S. Sangiorgio, B. Schmidt, N. D. Scielzo, V. Singh, M. Sisti, D. Speller, L. Taffarello, F. Terranova, C. Tomei, M. Vignati, S. L. Wagaarachchi, B. S. Wang, B. Welliver, J. Wilson, K. Wilson, L. A. Winslow, L. Zanotti, S. Zimmermann, and S. Zucchelli
Published: 2020

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