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1. Development of large-volume $^{130}$TeO$_2$ bolometers for the CROSS $2\beta$ decay search experiment

Author: Avignone III, F. T., Barabash, A. S., Berest, V., Bergé, L., Calvo-Mozota, J. M., Carniti, P., Chapellier, M., Dafinei, I., Danevich, F. A., Dumoulin, L., Ferella, F., Ferri, F., Gallas, A., Giuliani, A., Gotti, C., Gras, P., Ianni, A., Imbert, L., Khalife, H., Kobychev, V. V., Konovalov, S. I., Loaiza, P., de Marcillac, P., Marnieros, S., Marrache-Kikuchi, C. A., Martinez, M., Nisi, S., Nones, C., Olivieri, E., de Solórzano, A. Ortiz, Peinaud, Y., Pessina, G., Poda, D. V., Rosier, Ph., Scarpaci, J. A., Tretyak, V. I., Umatov, V. I., Zarytskyy, M. M., and Zolotarova, A.
Subjects: Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract: We report on the development of thermal detectors based on large-size tellurium dioxide crystals (45x45x45 mm), containing tellurium enriched in $^{130}$Te to about 91%, for the CROSS double-beta decay experiment. A powder used for the crystals growth was additionally purified by the directional solidification method, resulting in the reduction of the concentration of impurities by a factor 10, to a few ppm of the total concentration of residual elements (the main impurity is Fe). The purest part of the ingot (the first ~200 mm, about 80% of the total length of the cylindrical part of the ingot) was determined by scanning segregation profiles of impurities and used for the $^{130}$TeO$_2$ powder production with no evidence of re-contamination. The crystal growth was verified with precursors produced from powder with natural Te isotopic composition, and two small-size (20x20x10 mm) samples were tested at a sea-level laboratory showing high bolometric and spectrometric performance together with acceptable $^{210}$Po content (below 10 mBq/kg). This growth method was then applied for the production of six large cubic $^{130}$TeO$_2$ crystals and 4 of them were taken randomly to be characterized at the Canfranc underground laboratory, in the CROSS-dedicated low-background cryogenic facility. Two $^{130}$TeO$_2$ samples were coated with a thin, $O$(100 nm), metal film in form of Al layer (on 4 sides) or AlPd grid (on a single side) to investigate the possibility to tag surface events by pulse-shape discrimination. Similarly to the small natural precursors, large-volume $^{130}$TeO$_2$ bolometers show high performance and even better internal purity ($^{210}$Po activity $\sim$ 1 mBq/kg, while activities of $^{228}$Th and $^{226}$Ra are below 0.01 mBq/kg), satisfying requirements for the CROSS and, potentially, next-generation experiments., Comment: Submitted to JINST; 22 pages, 11 figures, 4 tables
Published: 2024

2. A novel mechanical design of a bolometric array for the CROSS double-beta decay experiment

Author: Auguste, D., Barabash, A. S., Berest, V., Bergé, L., Calvo-Mozota, J. M., Carniti, P., Chapellier, M., Dafinei, I., Danevich, F. A., Dixon, T., Dumoulin, L., Ferri, F., Gallas, A., Giuliani, A., Gotti, C., Gras, P., Ianni, A., Imbert, L., Khalife, H., Kobychev, V. V., Konovalov, S. I., Loaiza, P., de Marcillac, P., Marnieros, S., Marrache-Kikuchi, C. A., Martinez, M., Nones, C., Olivieri, E., de Solórzano, A. Ortiz, Peinaud, Y., Pessina, G., Poda, D. V., Rosier, Ph., Scarpaci, J. A., Tretyak, V. I., Umatov, V. I., Zarytskyy, M. M., and Zolotarova, A.
Subjects: Physics - Instrumentation and Detectors
Abstract: The CROSS experiment will search for neutrinoless double-beta decay using a specific mechanical structure to hold thermal detectors. The design of the structure was tuned to minimize the background contribution, keeping an optimal detector performance. A single module of the structure holds two scintillating bolometers (with a crystal size of 45x45x45 mm and a Ge slab facing the crystal's upper side) in the Cu frame, allowing for a modular construction of a large-scale array. Two designs are released: the initial $Thick$ version contains around 15% of Cu over the crystal mass (lithium molybdate, LMO), while this ratio is reduced to ~6% in a finer ($Slim$) design. Both designs were tested extensively at aboveground (IJCLab, France) and underground (LSC, Spain) laboratories. In particular, at LSC we used a pulse-tube-based CROSS facility to operate a 6-crystal array of LMOs enriched/depleted in $^{100}$Mo. The tested LMOs show high spectrometric performance in both designs; notably, the measured energy resolution is 5--7 keV FWHM at 2615 keV $\gamma$s, nearby the Q-value of $^{100}$Mo (3034 keV). Due to the absence of a reflective cavity around LMOs, a low scintillation signal is detected by Ge bolometers: ~0.3 keV (150 photons) for 1-MeV $\gamma$($\beta$) LMO-event. Despite that, an acceptable separation between $\alpha$ and $\gamma$($\beta$) events is achieved with most devices. The highest efficiency is reached with light detectors in the $Thick$ design thanks to a lower baseline noise width (0.05--0.09 keV RMS) when compared to that obtained in the $Slim$ version (0.10--0.35 keV RMS). Given the pivotal role of bolometric photodetectors for particle identification and random coincidences rejection, we will use the structure here described with upgraded light detectors, featuring thermal signal amplification via the Neganov-Trofimov-Luke effect, as also demonstrated in the present work., Comment: Submitted to JINST; 31 pages, 16 figures, 5 tables
Published: 2024

3. BINGO innovative assembly for background reduction in bolometric $0\nu\beta\beta$ experiments

Author: Armatol, A., Augier, C., Bandac, I. C., Baudin, D., Benato, G., Berest, V., Bergé, L., Billard, J., Calvo-Mozota, J. M., Carniti, P., Chapellier, M., Danevich, F. A., De Jesus, M., Dixon, T., Dumoulin, L., Ferri, F., Gascon, J., Giuliani, A., Gomez, H., Gotti, C., Gras, Ph., Gros, M., Juillard, A., Khalife, H., Kobychev, V. V., Lefevre, M., Loaiza, P., de Marcillac, P., Marnieros, S., Marrache-Kikuchi, C. A., Martinez, M., Mas, Ph., Mazzucato, E., Millot, J. F., Nones, C., Olivieri, E., de Solórzano, A. Ortiz, Pessina, G., Poda, D. V., Rojas, A., Scarpaci, J. A., Schmidt, B., Tellier, O., Tretyak, V. I., Warot, G., Zampieri, Th., Zarytskyy, M. M., and Zolotarova, A.
Subjects: Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract: BINGO is a project aiming to set the grounds for large-scale bolometric neutrinoless double-beta-decay experiments capable of investigating the effective Majorana neutrino mass at a few meV level. It focuses on developing innovative technologies (a detector assembly, cryogenic photodetectors and active veto) to achieve a very low background index, of the order of $10^{-5}$ counts/(keV kg yr) in the region of interest. The BINGO demonstrator, called MINI-BINGO, is designed to investigate the promising double-beta-decay isotopes $^{100}$Mo and $^{130}$Te and it will be composed of Li$_2$MoO$_4$ and TeO$_2$ crystals coupled to bolometric light detectors and surrounded by a Bi$_4$Ge$_3$O$_{12}$-based veto. This will allow us to reject a significant background in bolometers caused by surface contamination from $\alpha$-active radionuclides by means of light yield selection and to mitigate other sources of background, such as surface contamination from $\beta$-active radionuclides, external $\gamma$ radioactivity, and pile-up due to random coincidence of background events. This paper describes an R\&D program towards the BINGO goals, particularly focusing on the development of an innovative assembly designed to reduce the passive materials within the line of sight of the detectors, which is expected to be a dominant source of background in next-generation bolometric experiments. We present the performance of two prototype modules -- housing four cubic (4.5-cm side) Li$_2$MoO$_4$ crystals in total -- operated in the Canfranc underground laboratory in Spain within a facility developed for the CROSS double-beta-decay experiment., Comment: Submitted to Nucl. Instr. Meth. A; 28 pages, 11 figures, 4 tables
Published: 2024

4. Test of $^{116}$CdWO$_4$ and Li$_2$MoO$_4$ scintillating bolometers in the CROSS underground facility with upgraded detector suspension

Author: Ahmine, A., Bandac, I. C., Barabash, A. S., Berest, V., Bergé, L., Calvo-Mozota, J. M., Carniti, P., Chapellier, M., Dafinei, I., Danevich, F. A., Dixon, T., Dumoulin, L., Ferri, F., Giuliani, A., Gotti, C., Gras, P., Helis, D. L., Ianni, A., Imbert, L., Khalife, H., Kobychev, V. V., Konovalov, S. I., Loaiza, P., de Marcillac, P., Marnieros, S., Marrache-Kikuchi, C. A., Martinez, M., Nones, C., Olivieri, E., de Solórzano, A. Ortiz, Peinaud, Y., Pessina, G., Poda, D. V., Redon, Th., Rosier, Ph., Scarpaci, J. A., Tretyak, V. I., Umatov, V. I., Velazquez, M., Zarytskyy, M. M., and Zolotarova, A.
Subjects: Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract: In preparation to the CROSS $2\beta$ decay experiment, we installed a new detector suspension with magnetic dumping inside a pulse-tube cryostat of a dedicated low-background facility at the LSC (Spain). The suspension was tested with two scintillating bolometers based on large-volume 116CdWO4 (CWO-enr) and Li2MoO4 (LMO) crystals. The former, a reference device, was used for testing new noise conditions and for comparing bolometric performance of an advanced Li2MoO4 crystal developed in the framework of the CLYMENE project, in view of next-generation double-beta decay experiments like CUPID. We cooled down detectors to 15 mK and achieved high performance for all tested devices. In particular both CWO-enr and LMO bolometers demonstrated the energy resolution of 6 keV FWHM for the 2.6 MeV gamma quanta, among the best for thermal detectors based on such compounds. The baseline noise resolution (FWHM) of the CWO-enr detector was improved by 2 keV, compared to the best previous measurement of this detector in the CROSS facility, while the noise of the Ge-based optical bolometer was improved by a factor 2, to 100 eV FWHM. Despite of the evident progress in the improving of noise conditions of the set-up, we see high-frequency harmonics of a pulse-tube induced noise, suggesting a noise pick-up by cabling. Another Ge light detector was assisted with the signal amplification exploiting the Neganov-Trofimov-Luke effect, which allowed to reach 20 eV FWHM noise resolution by applying 60 V electrode bias. Highly-efficient particle identification was achieved with both detectors, despite a low scintillation efficiency of the LMO material. The radiopurity level of the LMO crystal is rather high; only traces of 210Po and 226Ra were detected (0.1 mBq/kg each), while the 228Th activity is expected to be at least an order of magnitude lower, as well as a 40K activity is found to be < 6 mBq/kg., Comment: Prepared for submission to JINST, 26 pages, 8 figures, 2 tables
Published: 2023

5. Li$_2$$^{100\textrm{depl}}$MoO$_4$ Scintillating Bolometers for Rare-Event Search Experiments

Author: Bandac, I. C., Barabash, A. S., Bergé, L., Borovlev, Yu. A., Calvo-Mozota, J. M., Carniti, P., Chapellier, M., Dafinei, I., Danevich, F. A., Dumoulin, L., Ferri, F., Giuliani, A., Gotti, C., Gras, Ph., Grigorieva, V. D., Ianni, A., Khalife, H., Kobychev, V. V., Konovalov, S. I., Loaiza, P., Madhukuttan, M., Makarov, E. P., de Marcillac, P., Marnieros, S., Marrache-Kikuchi, C. A., Martinez, M., Nones, C., Olivieri, E., de Solórzano, A. Ortiz, Pessina, G., Poda, D. V., Redon, Th., Scarpaci, J. A., Shlegel, V. N., Tretyak, V. I., Umatov, V. I., Zarytskyy, M. M., and Zolotarova, A.
Subjects: Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract: We report on the development of scintillating bolometers based on lithium molybdate crystals containing molybdenum depleted in the double-$\beta$ active isotope $^{100}$Mo (Li$_2$$^{100\textrm{depl}}$MoO$_4$). We used two Li$_2$$^{100\textrm{depl}}$MoO$_4$ cubic samples, 45 mm side and 0.28 kg each, produced following purification and crystallization protocols developed for double-$\beta$ search experiments with $^{100}$Mo-enriched Li$_2$MoO$_4$ crystals. Bolometric Ge detectors were utilized to register scintillation photons emitted by the Li$_2$$^{100\textrm{depl}}$MoO$_4$ crystal scintillators. The measurements were performed in the CROSS cryogenic set-up at the Canfranc underground laboratory (Spain). We observed that the Li$_2$$^{100\textrm{depl}}$MoO$_4$ scintillating bolometers are characterized by excellent spectrometric performance ($\sim$3--6 keV FWHM at 0.24--2.6 MeV $\gamma$'s), moderate scintillation signal ($\sim$0.3--0.6 keV/MeV depending on light collection conditions) and high radiopurity ($^{228}$Th and $^{226}$Ra activities are below a few $\mu$Bq/kg), comparable to the best reported results of low-temperature detectors based on Li$_2$MoO$_4$ with natural or $^{100}$Mo-enriched molybdenum content. Prospects of Li$_2$$^{100\textrm{depl}}$MoO$_4$ bolometers for use in rare-event search experiments are briefly discussed., Comment: Prepared for submission to MDPI Sensors; 16 pages, 7 figures, and 3 tables
Published: 2023

6. A first test of CUPID prototypal light detectors with NTD-Ge sensors in a pulse-tube cryostat

Author: CUPID collaboration, Alfonso, K., Armatol, A., Augier, C., Avignone III, F. T., Azzolini, O., Balata, M., Barabash, A. S., Bari, G., Barresi, A., Baudin, D., Bellini, F., Benato, G., Berest, V., Beretta, M., Bettelli, M., Biassoni, M., Billard, J., Boldrini, V., Branca, A., Brofferio, C., Bucci, C., Camilleri, J., Campani, A., Capelli, C., Capelli, S., Cappelli, L., Cardani, L., Carniti, P., Casali, N., Celi, E., Chang, C., Chiesa, D., Clemenza, M., Colantoni, I., Copello, S., Craft, E., Cremonesi, O., Creswick, R. J., Cruciani, A., D'Addabbo, A., D'Imperio, G., Dabagov, S., Dafinei, I., Danevich, F. A., De Jesus, M., de Marcillac, P., Dell'Oro, S., Di Domizio, S., Di Lorenzo, S., Dixon, T., Dompé, V., Drobizhev, A., Dumoulin, L., Fantini, G., Faverzani, M., Ferri, E., Ferri, F., Ferroni, F., Figueroa-Feliciano, E., Foggetta, L., Formaggio, J., Franceschi, A., Fu, C., Fu, S., Fujikawa, B. K., Gallas, A., Gascon, J., Ghislandi, S., Giachero, A., Gianvecchio, A., Girola, M., Gironi, L., Giuliani, A., Gorla, P., Gotti, C., Grant, C., Gras, P., Guillaumon, P. V., Gutierrez, T. D., Han, K., Hansen, E. V., Heeger, K. M., Helis, D. L., Huang, H. Z., Imbert, L., Johnston, J., Juillard, A., Karapetrov, G., Keppel, G., Khalife, H., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S. I., Kowalski, R., Langford, T., Lefevre, M., Liu, R., Liu, Y., Loaiza, P., Ma, L., Madhukuttan, M., Mancarella, F., Marini, L., Marnieros, S., Martinez, M., Maruyama, R. H., Mas, Ph., Mayer, D., Mazzitelli, G., Mei, Y., Milana, S., Morganti, S., Napolitano, T., Nastasi, M., Nikkel, J., Nisi, S., Nones, C., Norman, E. B., Novosad, V., Nutini, I., O'Donnell, T., Olivieri, E., Olmi, M., Ouellet, J. L., Pagan, S., Pagliarone, C., Pagnanini, L., Pattavina, L., Pavan, M., Peng, H., Pessina, G., Pettinacci, V., Pira, C., Pirro, S., Poda, D. V., Polischuk, O. G., Ponce, I., Pozzi, S., Previtali, E., Puiu, A., Quitadamo, S., Ressa, A., Rizzoli, R., Rosenfeld, C., Rosier, P., Scarpaci, J. A., Schmidt, B., Sharma, V., Shlegel, V. N., Singh, V., Sisti, M., Slocum, P., Speller, D., Surukuchi, P. T., Taffarello, L., Tomei, C., Torres, J. A., Tretyak, V. I., Tsymbaliuk, A., Velazquez, M., Vetter, K. J., Wagaarachchi, S. L., Wang, G., Wang, L., Wang, R., Welliver, B., Wilson, J., Wilson, K., Winslow, L. A., Xue, M., Yan, L., Yang, J., Yefremenko, V., Umatov, V. I., Zarytskyy, M. M., Zhang, J., Zolotarova, A., and Zucchelli, S.
Subjects: Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract: CUPID is a next-generation bolometric experiment aiming at searching for neutrinoless double-beta decay with ~250 kg of isotopic mass of $^{100}$Mo. It will operate at $\sim$10 mK in a cryostat currently hosting a similar-scale bolometric array for the CUORE experiment at the Gran Sasso National Laboratory (Italy). CUPID will be based on large-volume scintillating bolometers consisting of $^{100}$Mo-enriched Li$_2$MoO$_4$ crystals, facing thin Ge-wafer-based bolometric light detectors. In the CUPID design, the detector structure is novel and needs to be validated. In particular, the CUORE cryostat presents a high level of mechanical vibrations due to the use of pulse tubes and the effect of vibrations on the detector performance must be investigated. In this paper we report the first test of the CUPID-design bolometric light detectors with NTD-Ge sensors in a dilution refrigerator equipped with a pulse tube in an above-ground lab. Light detectors are characterized in terms of sensitivity, energy resolution, pulse time constants, and noise power spectrum. Despite the challenging noisy environment due to pulse-tube-induced vibrations, we demonstrate that all the four tested light detectors comply with the CUPID goal in terms of intrinsic energy resolution of 100 eV RMS baseline noise. Indeed, we have measured 70--90 eV RMS for the four devices, which show an excellent reproducibility. We have also obtained outstanding energy resolutions at the 356 keV line from a $^{133}$Ba source with one light detector achieving 0.71(5) keV FWHM, which is -- to our knowledge -- the best ever obtained when compared to $\gamma$ detectors of any technology in this energy range., Comment: Prepared for submission to JINST; 16 pages, 7 figures, and 1 table
Published: 2023
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7. Twelve-crystal prototype of Li$_2$MoO$_4$ scintillating bolometers for CUPID and CROSS experiments

Author: CUPID, collaborations, CROSS, Alfonso, K., Armatol, A., Augier, C., Avignone III, F. T., Azzolini, O., Balata, M., Bandac, I. C., Barabash, A. S., Bari, G., Barresi, A., Baudin, D., Bellini, F., Benato, G., Berest, V., Beretta, M., Bettelli, M., Biassoni, M., Billard, J., Boldrini, V., Branca, A., Brofferio, C., Bucci, C., Calvo-Mozota, J. M., Camilleri, J., Campani, A., Capelli, C., Capelli, S., Cappelli, L., Cardani, L., Carniti, P., Casali, N., Celi, E., Chang, C., Chiesa, D., Clemenza, M., Colantoni, I., Copello, S., Craft, E., Cremonesi, O., Creswick, R. J., Cruciani, A., D'Addabbo, A., D'Imperio, G., Dabagov, S., Dafinei, I., Danevich, F. A., De Jesus, M., de Marcillac, P., Dell'Oro, S., Di Domizio, S., Di Lorenzo, S., Dixon, T., Dompé, V., Drobizhev, A., Dumoulin, L., Fantini, G., Faverzani, M., Ferri, E., Ferri, F., Ferroni, F., Figueroa-Feliciano, E., Foggetta, L., Formaggio, J., Franceschi, A., Fu, C., Fu, S., Fujikawa, B. K., Gallas, A., Gascon, J., Ghislandi, S., Giachero, A., Gianvecchio, A., Girola, M., Gironi, L., Giuliani, A., Gorla, P., Gotti, C., Grant, C., Gras, P., Guillaumon, P. V., Gutierrez, T. D., Han, K., Hansen, E. V., Heeger, K. M., Helis, D. L., Huang, H. Z., Ianni, A., Imbert, L., Johnston, J., Juillard, A., Karapetrov, G., Keppel, G., Khalife, H., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S. I., Kowalski, R., Langford, T., Lefevre, M., Liu, R., Liu, Y., Loaiza, P., Ma, L., Madhukuttan, M., Mancarella, F., Marrache-Kikuchi, C. A., Marini, L., Marnieros, S., Martinez, M., Maruyama, R. H., Mas, Ph., Mayer, D., Mazzitelli, G., Mei, Y., Milana, S., Morganti, S., Napolitano, T., Nastasi, M., Nikkel, J., Nisi, S., Nones, C., Norman, E. B., Novosad, V., Nutini, I., O'Donnell, T., Olivieri, E., Olmi, M., Ouellet, J. L., Pagan, S., Pagliarone, C., Pagnanini, L., Pattavina, L., Pavan, M., Peng, H., Pessina, G., Pettinacci, V., Pira, C., Pirro, S., Poda, D. V., Polischuk, O. G., Ponce, I., Pozzi, S., Previtali, E., Puiu, A., Quitadamo, S., Ressa, A., Rizzoli, R., Rosenfeld, C., Rosier, P., Scarpaci, J. A., Schmidt, B., Sharma, V., Shlegel, V. N., Singh, V., Sisti, M., Slocum, P., Speller, D., Surukuchi, P. T., Taffarello, L., Tomei, C., Torres, J. A., Tretyak, V. I., Tsymbaliuk, A., Velazquez, M., Vetter, K. J., Wagaarachchi, S. L., Wang, G., Wang, L., Wang, R., Welliver, B., Wilson, J., Wilson, K., Winslow, L. A., Xue, M., Yan, L., Yang, J., Yefremenko, V., Umatov, V. I., Zarytskyy, M. M., Zhang, J., Zolotarova, A., and Zucchelli, S.
Subjects: Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract: An array of twelve 0.28 kg lithium molybdate (LMO) low-temperature bolometers equipped with 16 bolometric Ge light detectors, aiming at optimization of detector structure for CROSS and CUPID double-beta decay experiments, was constructed and tested in a low-background pulse-tube-based cryostat at the Canfranc underground laboratory in Spain. Performance of the scintillating bolometers was studied depending on the size of phonon NTD-Ge sensors glued to both LMO and Ge absorbers, shape of the Ge light detectors (circular vs. square, from two suppliers), in different light collection conditions (with and without reflector, with aluminum coated LMO crystal surface). The scintillating bolometer array was operated over 8 months in the low-background conditions that allowed to probe a very low, $\mu$Bq/kg, level of the LMO crystals radioactive contamination by $^{228}$Th and $^{226}$Ra., Comment: Prepared for submission to JINST; 23 pages, 9 figures, and 4 tables
Published: 2023
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8. First cryogenic tests on BINGO innovations

Author: Armatol, A., Augier, C., Baudin, D., Benato, G., Billard, J., Carniti, P., Chapellier, M., Charrier, A., Danevich, F., De Combarieu, M., De Jesus, M., Dumoulin, L., Ferri, F., Gascon, J., Giuliani, A., Gomez, H., Gotti, C., Gras, Ph., Gros, M., Juillard, A., Khalife, H., Kobychev, V. V., Lefevre, M., Loaiza, P., Marnieros, S., Mas, Ph., Mazzucato, E., Millot, J. F., Nones, C., Pessina, G., Poda, D. V., Scarpaci, J. A., Tellier, O., Tretyak, V. I., Zarytskyy, M. M., and Zolotarova, A.
Subjects: Physics - Instrumentation and Detectors
Abstract: Neutrinoless double-beta decay ($0\nu2\beta$) is a hypothetical rare nuclear transition. Its observation would provide an important insight about the nature of neutrinos (Dirac or Majorana particle) demonstrating that the lepton number is not conserved. BINGO (Bi-Isotope $0\nu2\beta$ Next Generation Observatory) aims to set the technological grounds for future bolometric $0\nu2\beta$ experiments. It is based on a dual heat-light readout, i.e. a main scintillating absorber embedding the double-beta decay isotope accompanied by a cryogenic light detector. BINGO will study two of the most promising isotopes: $^{100}$Mo embedded in Li$_2$MoO$_4$ (LMO) crystals and $^{130}$Te embedded in TeO$_2$. BINGO technology will reduce dramatically the background in the region of interest, thus boosting the discovery sensitivity of $0\nu2\beta$. The proposed solutions will have a high impact on next-generation bolometric tonne-scale experiments, like CUPID. In this contribution, we present the results obtained during the first tests performed in the framework of BINGO R&D., Comment: 4 pages, 2 figures. Contribution to the proceedings of 32nd Rencontres de Blois, Blois, France, 17-22 October 2021
Published: 2022

9. Toward CUPID-1T

Author: Armatol, A., Augier, C., Avignone III, F. T., Azzolini, O., Balata, M., Ballen, K., Barabash, A. S., Bari, G., Barresi, A., Baudin, D., Bellini, F., Benato, G., Beretta, M., Bettelli, M., Biassoni, M., Billard, J., Boldrini, V., Branca, A., Brofferio, C., Bucci, C., Camilleri, J., Capelli, C., Capelli, S., Cappelli, L., Cardani, L., Carniti, P., Casali, N., Celi, E., Chang, C., Chiesa, D., Clemenza, M., Colantoni, I., Copello, S., Craft, E., Cremonesi, O., Creswick, R. J., Cruciani, A., D'Addabbo, A., D'Imperio, G., Dabagov, S., Dafinei, I., De Jesus, M., de Marcillac, P., Dell'Oro, S., Di Domizio, S., Di Lorenzo, S., Dixon, T., Dompè, V., Drobizhev, A., Dumoulin, L., Fantini, G., Faverzani, M., Ferri, E., Ferri, F., Ferroni, F., Figueroa-Feliciano, E., Foggetta, L., Formaggio, J., Franceschi, A., Fu, C., Fu, S., Fujikawa, B. K., Gallas, A., Gascon, J., Ghislandi, S., Giachero, A., Gianvecchio, A., Gironi, L., Giuliani, A., Gorla, P., Gotti, C., Grant, C., Gras, P., Guillaumon, P. V., Gutierrez, T. D., Han, K., Hansen, E. V., Heeger, K. M., Helis, D., Helis, D. L., Huang, H. Z., Huang, R. G., Imbert, L., Johnston, J., Juillard, A., Karapetrov, G., Keppel, G., Khalife, H., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S. I., Kowalski, R., Langford, T., Liu, R., Liu, Y., Loaiza, P., Ma, L., Madhukuttan, M., Mancarella, F., Marini, L., Marnieros, S., Martinez, M., Maruyama, R. H., Mauri, B., Mayer, D., Mazzitelli, G., Mei, Y., Milana, S., Morganti, S., Napolitano, T., Nastasi, M., Nikkel, J., Nisi, S., Nones, C., Norman, E. B., Novosad, V., Nutini, I., O'Donnell, T., Olivieri, E., Olmi, M., Ouellet, J. L., Pagan, S., Pagliarone, C., Pagnanini, L., Pattavina, L., Pavan, M., Peng, H., Pessina, G., Pettinacci, V., Pira, C., Pirro, S., Poda, D. V., Polischuk, O. G., Ponce, I., Pozzi, S., Previtali, E., Puiu, A., Quitadamo, S., Ressa, A., Rizzoli, R., Rosenfeld, C., Rosier, P., Scarpaci, J., Schmidt, B., Sharma, V., Shlegel, V., Singh, V., Sisti, M., Slocum, P., Speller, D., Surukuchi, P. T., Taffarello, L., Tomei, C., Torres, J., Tretyak, V. I., Tsymbaliuk, A., Velazquez, M., Vetter, K. J., Wagaarachchi, S. L., Wang, G., Wang, L., Wang, R., Welliver, B., Wilson, J., Wilson, K., Winslow, L. A., Xue, M., Yan, L., Yang, J., Yefremenko, V., Umatov, V. I., Zarytskyy, M. M., Zhang, J., Zolotarova, A., and Zucchelli, S.
Subjects: Nuclear Experiment
Abstract: Current experiments to search for broken lepton-number symmetry through the observation of neutrinoless double-beta decay ($0\mathrm{\nu\beta\beta}$) provide the most stringent limits on the Majorana nature of neutrinos and the effective Majorana neutrino mass ($m_{\beta\beta}$). The next-generation experiments will focus on the sensitivity to the $0\mathrm{\nu\beta\beta}$ half-life of $\mathcal{O}(10^{27}$--$10^{28}$~years$)$ and $m_{\beta\beta}\lesssim15$~meV, which would provide complete coverage of the so-called Inverted Ordering region of the neutrino mass parameter space. By taking advantage of recent technological breakthroughs, new, future calorimetric experiments at the 1-ton scale can increase the sensitivity by at least another order of magnitude, exploring the large fraction of the parameter space that corresponds to the Normal neutrino mass ordering. In case of a discovery, such experiments could provide important insights toward a new understanding of the mechanism of $0\mathrm{\nu\beta\beta}$. We present here a series of projects underway that will provide advancements in background reduction, cryogenic readout, and physics searches beyond $0\mathrm{\nu\beta\beta}$, all moving toward the next-to-next generation CUPID-1T detector., Comment: contribution to Snowmass 2021
Published: 2022

10. Optimization of the first CUPID detector module

Author: CUPID collaboration, Armatol, A., Augier, C., Avignone III, F. T., Azzolini, O., Balata, M., Ballen, K., Barabash, A. S., Bari, G., Barresi, A., Baudin, D., Bellini, F., Benato, G., Beretta, M., Bettelli, M., Biassoni, M., Billard, J., Boldrini, V., Branca, A., Brofferio, C., Bucci, C., Camilleri, J., Capelli, C., Capelli, S., Cappelli, L., Cardani, L., Carniti, P., Casali, N., Celi, E., Chang, C., Chiesa, D., Clemenza, M., Colantoni, I., Copello, S., Craft, E., Cremonesi, O., Creswick, R. J., Cruciani, A., D'Addabbo, A., D'Imperio, G., Dabagov, S., Dafinei, I., Danevich, F. A., De Jesus, M., de Marcillac, P., Dell'Oro, S., Di Domizio, S., Di Lorenzo, S., Dixon, T., Dompè, V., Drobizhev, A., Dumoulin, L., Fantini, G., Faverzani, M., Ferri, E., Ferri, F., Ferroni, F., Figueroa-Feliciano, E., Foggetta, L., Formaggio, J., Franceschi, A., Fu, C., Fu, S., Fujikawa, B. K., Gallas, A., Gascon, J., Ghislandi, S., Giachero, A., Gianvecchio, A., Gironi, L., Giuliani, A., Gorla, P., Gotti, C., Grant, C., Gras, P., Guillaumon, P. V., Gutierrez, T. D., Han, K., Hansen, E. V., Heeger, K. M., Helis, D. L., Huang, H. Z., Huang, R. G., Imbert, L., Johnston, J., Juillard, A., Karapetrov, G., Keppel, G., Khalife, H., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S. I., Kowalski, R., Langford, T., Lefevre, M ., Liu, R., Liu, Y., Loaiza, P., Ma, L., Madhukuttan, M., Mancarella, F., Marini, L., Marnieros, S., Martinez, M., Maruyama, R. H., Mas, Ph., Mauri, B., Mayer, D., Mazzitelli, G., Mei, Y., Milana, S., Morganti, S., Napolitano, T., Nastasi, M., Nikkel, J., Nisi, S., Nones, C., Norman, E. B., Novosad, V., Nutini, I., O'Donnell, T., Olivieri, E., Olmi, M., Ouellet, J. L., Pagan, S., Pagliarone, C., Pagnanini, L., Pattavina, L., Pavan, M., Peng, H., Pessina, G., Pettinacci, V., Pira, C., Pirro, S., Poda, D. V., Polischuk, O. G., Ponce, I., Pozzi, S., Previtali, E., Puiu, A., Quitadamo, S., Ressa, A., Rizzoli, R., Rosenfeld, C., Rosier, P., Scarpaci, J., Schmidt, B., Sharma, V., Shlegel, V., Singh, V., Sisti, M., Slocum, P., Speller, D., Surukuchi, P. T., Taffarello, L., Tomei, C., Torres, J., Tretyak, V. I., Tsymbaliuk, A., Velazquez, M., Vetter, K. J., Wagaarachchi, S. L., Wang, G., Wang, L., Wang, R., Welliver, B., Wilson, J., Wilson, K., Winslow, L. A., Xue, M., Yan, L., Yang, J., Yefremenko, V., Umatov, V. I., Zarytskyy, M. M., Zhang, J., Zolotarova, A., and Zucchelli, S.
Subjects: Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract: CUPID will be a next generation experiment searching for the neutrinoless double $\beta$ decay, whose discovery would establish the Majorana nature of the neutrino. Based on the experience achieved with the CUORE experiment, presently taking data at LNGS, CUPID aims to reach a background free environment by means of scintillating Li$_{2}$$^{100}$MoO$_4$ crystals coupled to light detectors. Indeed, the simultaneous heat and light detection allows us to reject the dominant background of $\alpha$ particles, as proven by the CUPID-0 and CUPID-Mo demonstrators. In this work we present the results of the first test of the CUPID baseline module. In particular, we propose a new optimized detector structure and light sensors design to enhance the engineering and the light collection, respectively. We characterized the heat detectors, achieving an energy resolution of (5.9 $\pm$ 0.2) keV FWHM at the $Q$-value of $^{100}$Mo (about 3034 keV). We studied the light collection of the baseline CUPID design with respect to an alternative configuration which features gravity-assisted light detectors' mounting. In both cases we obtained an improvement in the light collection with respect to past measures and we validated the particle identification capability of the detector, which ensures an $\alpha$ particle rejection higher than 99.9%, fully satisfying the requirements for CUPID., Comment: 10 pages, 5 figures
Published: 2022

11. Phonon-mediated crystal detectors with metallic film coating capable of rejecting $\alpha$ and $\beta$ events induced by surface radioactivity

Author: Bandac, I. C., Barabash, A. S., Bergé, L., Bourgeois, Ch., Calvo-Mozota, J. M., Carniti, P., Chapellier, M., de Combarieu, M., Dafinei, I., Danevich, F. A., Dumoulin, L., Ferri, F., Giuliani, A., Gotti, C., Gras, Ph., Guerard, E., Ianni, A., Khalife, H., Konovalov, S. I., Loaiza, P., Madhukuttan, M., de Marcillac, P., Mariam, R., Marnieros, S., Marrache-Kikuchi, C. A., Martinez, M., Nones, C., Olivieri, E., Pessina, G., Poda, D. V., Redon, Th., Scarpaci, J. -A., Tretyak, V. I., Umatov, V. I., Zarytskyy, M. M., and Zolotarova, A. S.
Subjects: Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract: Phonon-mediated particle detectors based on single crystals and operated at millikelvin temperatures are used in rare-event experiments for neutrino physics and dark-matter searches. In general, these devices are not sensitive to the particle impact point, especially if the detection is mediated by thermal phonons. In this Letter, we demonstrate that excellent discrimination between interior and surface $\beta$ and $\alpha$ events can be achieved by coating a crystal face with a thin metallic film, either continuous or in the form of a grid. The coating affects the phonon energy down-conversion cascade that follows the particle interaction, leading to a modified signal shape for close-to-film events. An efficient identification of surface events was demonstrated with detectors based on a rectangular $20 \times 20 \times 10$ mm$^3$ Li$_2$MoO$_4$ crystal coated with a Pd normal-metal film (10~nm thick) and with Al-Pd superconductive bi-layers (100~nm-10~nm thick) on a $20 \times 20$ mm$^2$ face. Discrimination capabilities were tested with $^{238}$U sources emitting both $\alpha$ and $\beta$ particles. Surface events are identified for energy depositions down to millimeter-scale depths from the coated surface. With this technology, a substantial improvement of the background figure can be achieved in experiments searching for neutrinoless double-beta decay.
Published: 2021
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12. A CUPID Li$_{2}$$^{100}$MoO$_4$ scintillating bolometer tested in the CROSS underground facility

Author: The CUPID Interest Group, Armatol, A., Armengaud, E., Armstrong, W., Augier, C., Avignone III, F. T., Azzolini, O., Bandac, I. C., Barabash, A. S., Bari, G., Barresi, A., Baudin, D., Bellini, F., Benato, G., Beretta, M., Bergé, L., Bourgeois, Ch., Biassoni, M., Billard, J., Boldrini, V., Branca, A., Brofferio, C., Bucci, C., Calvo-Mozota, J. M., Camilleri, J., Candela, A., Capelli, S., Cappelli, L., Cardani, L., Carniti, P., Casali, N., Cazes, A., Celi, E., Chang, C., Chapellier, M., Charrier, A., Chiesa, D., Clemenza, M., Colantoni, I., Collamati, F., Copello, S., Cova, F., Cremonesi, O., Creswick, R. J., Cruciani, A., D'Addabbo, A., D'Imperio, G., Dafinei, I., Danevich, F. A., de Combarieu, M., De Deo, M., De Jesus, M., de Marcillac, P., Dell'Oro, S., Di Domizio, S., Dompe, V., Drobizhev, A., Dumoulin, L., Fantini, G., Fasoli, M., Faverzani, M., Ferri, E., Ferri, F., Ferroni, F., Figueroa-Feliciano, E., Formaggio, J., Franceschi, A., Fu, C., Fu, S., Fujikawa, B. K., Gascon, J., Giachero, A., Gironi, L., Giuliani, A., Gorla, P., Gotti, C., Gras, P., Gros, M., Guerard, E., Gutierrez, T. D., Han, K., Hansen, E. V., Heeger, K. M., Helis, D. L., Huang, H. Z., Huang, R. G., Ianni, A., Imbert, L., Johnston, J., Juillard, A., Karapetrov, G., Keppel, G., Khalife, H., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S. I., Liu, Y., Loaiza, P., Ma, L., Madhukuttan, M., Mancarella, F., Mariam, R., Marini, L., Marnieros, S., Martinez, M., Maruyama, R. H., Mauri, B., Mayer, D., Mei, Y., Milana, S., Misiak, D., Napolitano, T., Nastasi, M., Navick, X. -F., Nikkel, J., Nipoti, R., Nisi, S., Nones, C., Norman, E. B., Novosad, V., Nutini, I., O'Donnell, T., Olivier, G., Olivieri, E., Oriol, C., Ouellet, J. L., Pagan, S., Pagliarone, C., Pagnanini, L., Pari, P., Pattavina, L., Paul, B., Pavan, M., Peng, H., Pessina, G., Pettinacci, V., Pira, C., Pirro, S., Poda, D. V., Polakovic, T., Polischuk, O. G., Pozzi, S., Previtali, E., Puiu, A., Ressa, A., Reynet, D., Rizzoli, R., Rosenfeld, C., Sanglard, V., Scarpaci, J. A., Schmidt, B., Sharma, V., Shlegel, V. N., Singh, V., Sisti, M., Speller, D., Surukuchi, P. T., Taffarello, L., Tellier, O., Tomei, C., Tretyak, V. I., Tsymbaliuk, A., Vedda, A., Velazquez, M., Vetter, K. J., Wagaarachchi, S. L., Wang, G., Wang, L., Welliver, B., Wilson, J., Wilson, K., Winslow, L. A., Xue, M., Yan, L., Yang, J., Yefremenko, V., Yumatov, V. I., Zarytskyy, M. M., Zhang, J., Zolotarova, A. S., and Zucchelli, S.
Subjects: Physics - Instrumentation and Detectors
Abstract: A scintillating bolometer based on a large cubic Li$_{2}$$^{100}$MoO$_4$ crystal (45 mm side) and a Ge wafer (scintillation detector) has been operated in the CROSS cryogenic facility at the Canfranc underground laboratory in Spain. The dual-readout detector is a prototype of the technology that will be used in the next-generation $0\nu2\beta$ experiment CUPID. The measurements were performed at 18 and 12 mK temperature in a pulse tube dilution refrigerator. This setup utilizes the same technology as the CUORE cryostat that will host CUPID and so represents an accurate estimation of the expected performance. The Li$_{2}$$^{100}$MoO$_4$ bolometer shows a high energy resolution of 6 keV FWHM at the 2615 keV $\gamma$ line. The detection of scintillation light for each event triggered by the Li$_{2}$$^{100}$MoO$_4$ bolometer allowed for a full separation ($\sim$8$\sigma$) between $\gamma$($\beta$) and $\alpha$ events above 2 MeV. The Li$_{2}$$^{100}$MoO$_4$ crystal also shows a high internal radiopurity with $^{228}$Th and $^{226}$Ra activities of less than 3 and 8 $\mu$Bq/kg, respectively. Taking also into account the advantage of a more compact and massive detector array, which can be made of cubic-shaped crystals (compared to the cylindrical ones), this test demonstrates the great potential of cubic Li$_{2}$$^{100}$MoO$_4$ scintillating bolometers for high-sensitivity searches for the $^{100}$Mo $0\nu2\beta$ decay in CROSS and CUPID projects., Comment: 19 pages, 7 figures, 1 table
Published: 2020
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13. Characterization of cubic Li$_{2}$$^{100}$MoO$_4$ crystals for the CUPID experiment

Author: Armatol, A., Armengaud, E., Armstrong, W., Augier, C., Avignone III, F. T., Azzolini, O., Barabash, A., Bari, G., Barresi, A., Baudin, D., Bellini, F., Benato, G., Beretta, M., Bergè, L., Biassoni, M., Billard, J., Boldrini, V., Branca, A., Brofferio, C., Bucci, C., Camilleri, J., Capelli, S., Cappelli, L., Cardani, L., Carniti, P., Casali, N., Cazes, A., Celi, E., Chang, C., Chapellier, M., Charrier, A., Chiesa, D., Clemenza, M., Colantoni, I., Collamati, F., Copello, S., Cova, F., Cremonesi, O., Creswick, R. J., Cruciani, A., D'Addabbo, A., D'Imperio, G., Dafinei, I., Danevich, F. A., de Combarieu, M., De Jesus, M., de Marcillac, P., Dell'Oro, S., Di Domizio, S., Dompé, V., Drobizhev, A., Dumoulin, L., Fantini, G., Fasoli, M., Faverzani, M., Ferri, E., Ferri, F., Ferroni, F., Figueroa-Feliciano, E., Formaggio, J., Franceschi, A., Fu, C., Fu, S., Fujikawa, B. K., Gascon, J., Giachero, A., Gironi, L., Giuliani, A., Gorla, P., Gotti, C., Gras, P., Gros, M., Gutierrez, T. D., Han, K., Hansen, E. V., Heeger, K. M., Helis, D. L., Huang, H. Z., Huang, R. G., Imbert, L., Johnston, J., Juillard, A., Karapetrov, G., Keppel, G., Khalife, H., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S., Liu, Y., Loaiza, P., Ma, L., Madhukuttan, M., Mancarella, F., Mariam, R., Marini, L., Marnieros, S., Martinez, M., Maruyama, R. H., Mauri, B., Mayer, D., Mei, Y., Milana, S., Misiak, D., Napolitano, T., Nastasi, M., Navick, X. F., Nikkel, J., Nipoti, R., Nisi, S., Nones, C., Norman, E. B., Novosad, V., Nutini, I., O'Donnell, T., Olivieri, E., Oriol, C., Ouellet, J. L., Pagan, S., Pagliarone, C., Pagnanini, L., Pari, P., Pattavina, L., Paul, B., Pavan, M., Peng, H., Pessina, G., Pettinacci, V., Pira, C., Pirro, S., Poda, D. V., Polakovic, T., Polischuk, O. G., Pozzi, S., Previtali, E., Puiu, A., Ressa, A., Rizzoli, R., Rosenfeld, C., Rusconi, C., Sanglard, V., Scarpaci, J. A., Schmidt, B., Sharma, V., Shlegel, V., Singh, V., Sisti, M., Speller, D., Surukuchi, P. T., Taffarello, L., Tellier, O., Tomei, C., Tretyak, V. I., Tsymbaliuk, A., Vedda, A., Velazquez, M., Vetter, K. J., Wagaarachchi, S. L., Wang, G., Wang, L., Welliver, B., Wilson, J., Wilson, K., Winslow, L. A., Xue, M., Yan, L., Yang, J., Yefremenko, V., Yumatov, V., Zarytskyy, M. M., Zhang, J., Zolotarova, A., and Zucchelli, S.
Subjects: Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract: The CUPID Collaboration is designing a tonne-scale, background-free detector to search for double beta decay with sufficient sensitivity to fully explore the parameter space corresponding to the inverted neutrino mass hierarchy scenario. One of the CUPID demonstrators, CUPID-Mo, has proved the potential of enriched Li$_{2}$$^{100}$MoO$_4$ crystals as suitable detectors for neutrinoless double beta decay search. In this work, we characterised cubic crystals that, compared to the cylindrical crystals used by CUPID-Mo, are more appealing for the construction of tightly packed arrays. We measured an average energy resolution of (6.7$\pm$0.6) keV FWHM in the region of interest, approaching the CUPID target of 5 keV FWHM. We assessed the identification of $\alpha$ particles with and without a reflecting foil that enhances the scintillation light collection efficiency, proving that the baseline design of CUPID already ensures a complete suppression of this $\alpha$-induced background contribution. We also used the collected data to validate a Monte Carlo simulation modelling the light collection efficiency, which will enable further optimisations of the detector.
Published: 2020

14. Novel technique for the study of pile-up events in cryogenic bolometers

Author: Armatol, A., Armengaud, E., Armstrong, W., Augier, C., Avignone III, F. T., Azzolini, O., Barabash, A., Bari, G., Barresi, A., Baudin, D., Bellini, F., Benato, G., Beretta, M., Bergé, L., Biassoni, M., Billard, J., Boldrini, V., Branca, A., Brofferio, C., Bucci, C., Camilleri, J., Capelli, S., Cappelli, L., Cardani, L., Carniti, P., Casali, N., Cazes, A., Celi, E., Chang, C., Chapellier, M., Charrier, A., Chiesa, D., Clemenza, M., Colantoni, I., Collamati, F., Copello, S., Cremonesi, O., Creswick, R. J., Cruciani, A., D'Addabbo, A., D'Imperio, G., Dafinei, I., Danevich, F. A., de Combarieu, M., De Jesus, M., de Marcillac, P., Dell'Oro, S., Di Domizio, S., Dompè, V., Drobizhev, A., Dumoulin, L., Fantini, G., Faverzani, M., Ferri, E., Ferri, F., Ferroni, F., Figueroa-Feliciano, E., Formaggio, J., Franceschi, A., Fu, C., Fu, S., Fujikawa, B. K., Gascon, J., Giachero, A., Gironi, L., Giuliani, A., Gorla, P., Gotti, C., Gras, P., Gros, M., Gutierrez, T. D., Han, K., Hansen, E. V., Heeger, K. M., Helis, D. L., Huang, H. Z., Huang, R. G., Imbert, L., Johnston, J., Juillard, A., Karapetrov, G., Keppel, G., Khalife, H., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S., Liu, Y., Loaiza, P., Ma, L., Madhukuttan, M., Mancarella, F., Mariam, R., Marini, L., Marnieros, S., Martinez, M., Maruyama, R. H., Mauri, B., Mayer, D., Mei, Y., Milana, S., Misiak, D., Napolitano, T., Nastasi, M., Navick, X. F., Nikkel, J., Nipoti, R., Nisi, S., Nones, C., Norman, E. B., Novosad, V., Nutini, I., O'Donnell, T., Olivieri, E., Oriol, C., Ouellet, J. L., Pagan, S., Pagliarone, C., Pagnanini, L., Pari, P., Pattavina, L., Paul, B., Pavan, M., Peng, H., Pessina, G., Pettinacci, V., Pira, C., Pirro, S., Poda, D. V., Polakovic, T., Polischuk, O. G., Pozzi, S., Previtali, E., Puiu, A., Ressa, A., Rizzoli, R., Rosenfeld, C., Rusconi, C., Sanglard, V., Scarpaci, J., Schmidt, B., Sharma, V., Shlegel, V., Singh, V., Sisti, M., Speller, D., Surukuchi, P. T., Taffarello, L., Tellier, O., Tomei, C., Tretyak, V. I., Tsymbaliuk, A., Velazquez, M., Vetter, K. J., Wagaarachchi, S. L., Wang, G., Wang, L., Welliver, B., Wilson, J., Wilson, K., Winslow, L. A., Xue, M., Yan, L., Yang, J., Yefremenko, V., Yumatov, V., Zarytskyy, M. M., Zhang, J., Zolotarova, A., and Zucchelli, S.
Subjects: Physics - Instrumentation and Detectors
Abstract: Precise characterization of detector time resolution is of crucial importance for next-generation cryogenic-bolometer experiments searching for neutrinoless double-beta decay, such as CUPID, in order to reject background due to pile-up of two-neutrino double-beta decay events. In this paper, we describe a technique developed to study the pile-up rejection capability of cryogenic bolometers. Our approach, which consists of producing controlled pile-up events with a programmable waveform generator, has the benefit that we can reliably and reproducibly control the time separation and relative energy of the individual components of the generated pile-up events. The resulting data allow us to optimize and benchmark analysis strategies to discriminate between individual and pile-up pulses. We describe a test of this technique performed with a small array of detectors at the Laboratori Nazionali del Gran Sasso, in Italy; we obtain a 90% rejection efficiency against pulser-generated pile-up events with rise time of ~15ms down to time separation between the individual events of about 2ms.
Published: 2020
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15. Search for double beta decay of $^{106}$Cd with an enriched $^{106}$CdWO$_4$ crystal scintillator in coincidence with CdWO$_4$ scintillation counters

Author: Belli, P., Bernabei, R., Brudanin, V. B., Cappella, F., Caracciolo, V., Cerulli, R., Danevich, F. A., Incicchitti, A., Kasperovych, D. V., Klavdiienko, V. R., Kobychev, V. V., Merlo, V., Polischuk, O. G., Tretyak, V. I., and Zarytskyy, M. M.
Subjects: Nuclear Experiment
Abstract: Studies on double beta decay processes in $^{106}$Cd were performed by using a cadmium tungstate scintillator enriched in $^{106}$Cd at 66% ($^{106}$CdWO$_4$) with two CdWO$_4$ scintillation counters (with natural Cd composition). No effect was observed in the data accumulated over 26033 h. New improved half-life limits were set on the different channels and modes of the $^{106}$Cd double beta decay at level of $\lim T_{1/2}\sim 10^{20}-10^{22}$ yr. The limit for the two neutrino electron capture with positron emission in $^{106}$Cd to the ground state of $^{106}$Pd, $T^{2\nu\mathrm{EC}\beta^+}_{1/2}\geq2.1\times 10^{21}$ yr, was set by the analysis of the $^{106}$CdWO$_4$ data in coincidence with the energy release 511 keV in both CdWO$_4$ counters. The sensitivity approaches the theoretical predictions for the decay half-life that are in the range $T_{1/2}\sim10^{21}-10^{22}$ yr. The resonant neutrinoless double-electron capture to the 2718 keV excited state of $^{106}$Pd is restricted at the level of $T^{0\nu\mathrm{2K}}_{1/2}\geq2.9\times10^{21}$ yr, Comment: 16 pages, 10 figures, 2 tables
Published: 2020
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16. Pulse Shape Discrimination in CUPID-Mo using Principal Component Analysis

Author: Huang, R., Armengaud, E., Augier, C., Barabash, A. S., Bellini, F., Benato, G., Benoît, A., Beretta, M., Bergé, L., Billard, J., Borovlev, Yu. A., Bourgeois, Ch., Brudanin, V. B., Camus, P., Cardani, L., Casali, N., Cazes, A., Chapellier, M., Charlieux, F., de Combarieu, M., Dafinei, I., Danevich, F. A., De Jesus, M., Dixon, T., Dumoulin, L., Eitel, K., Ferri, F., Fujikawa, B. K., Gascon, J., Gironi, L., Giuliani, A., Grigorieva, V. D., Gros, M., Guerard, E., Helis, D. L., Huang, H. Z., Johnston, J., Juillard, A., Khalife, H., Kleifges, M., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S. I., Loaiza, P., Ma, L., Makarov, E. P., de Marcillac, P., Mariam, R., Marini, L., Marnieros, S., Misiak, D., Navick, X. -F., Nones, C., Olivieri, E., Ouellet, J. L., Pagnanini, L., Pari, P., Pattavina, L., Paul, B., Pavan, M., Peng, H., Pessina, G., Pirro, S., Poda, D. V., Polischuk, O. G., Previtali, E., Redon, Th., Rozov, S., Rusconi, C., Sanglard, V., Scarpaci, J. A., Schäffner, K., Schmidt, B., Shen, Y., Shlegel, V. N., Siebenborn, B., Singh, V., Tomei, C., Tretyak, V. I., Umatov, V. I., Vagneron, L., Velázquez, M., Weber, M., Welliver, B., Winslow, L., Xue, M., Yakushev, E., Zarytskyy, M. M., and Zolotarova, A. S.
Subjects: Physics - Data Analysis, Statistics and Probability, Nuclear Experiment, Physics - Instrumentation and Detectors
Abstract: CUPID-Mo is a cryogenic detector array designed to search for neutrinoless double-beta decay ($0\nu\beta\beta$) of $^{100}$Mo. It uses 20 scintillating $^{100}$Mo-enriched Li$_2$MoO$_4$ bolometers instrumented with Ge light detectors to perform active suppression of $\alpha$ backgrounds, drastically reducing the expected background in the $0\nu\beta\beta$ signal region. As a result, pileup events and small detector instabilities that mimic normal signals become non-negligible potential backgrounds. These types of events can in principle be eliminated based on their signal shapes, which are different from those of regular bolometric pulses. We show that a purely data-driven principal component analysis based approach is able to filter out these anomalous events, without the aid of detector response simulations.
Published: 2020
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17. Machine Learning Techniques for Pile-Up Rejection in Cryogenic Calorimeters

Author: Fantini, G., Armatol, A., Armengaud, E., Armstrong, W., Augier, C., Avignone, III, F. T., Azzolini, O., Barabash, A., Bari, G., Barresi, A., Baudin, D., Bellini, F., Benato, G., Beretta, M., Bergé, L., Biassoni, M., Billard, J., Boldrini, V., Branca, A., Brofferio, C., Bucci, C., Camilleri, J., Capelli, S., Cappelli, L., Cardani, L., Carniti, P., Casali, N., Cazes, A., Celi, E., Chang, C., Chapellier, M., Charrier, A., Chiesa, D., Clemenza, M., Colantoni, I., Collamati, F., Copello, S., Cova, F., Cremonesi, O., Creswick, R. J., Cruciani, A., D’Addabbo, A., D’Imperio, G., Dafinei, I., Danevich, F. A., de Combarieu, M., De Jesus, M., de Marcillac, P., Dell’Oro, S., Domizio, S. Di, Dompè, V., Drobizhev, A., Dumoulin, L., Fasoli, M., Faverzani, M., Ferri, E., Ferri, F., Ferroni, F., Figueroa-Feliciano, E., Formaggio, J., Franceschi, A., Fu, C., Fu, S., Fujikawa, B. K., Gascon, J., Giachero, A., Gironi, L., Giuliani, A., Gorla, P., Gotti, C., Gras, P., Gros, M., Gutierrez, T. D., Han, K., Hansen, E. V., Heeger, K. M., Helis, D. L., Huang, H. Z., Huang, R. G., Imbert, L., Johnston, J., Juillard, A., Karapetrov, G., Keppel, G., Khalife, H., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S., Liu, Y., Loaiza, P., Ma, L., Madhukuttan, M., Mancarella, F., Mariam, R., Marini, L., Marnieros, S., Martinez, M., Maruyama, R. H., Mauri, B., Mayer, D., Mei, Y., Milana, S., Misiak, D., Napolitano, T., Nastasi, M., Navick, X. F., Nikkel, J., Nipoti, R., Nisi, S., Nones, C., Norman, E. B., Novosad, V., Nutini, I., O’Donnell, T., Olivieri, E., Oriol, C., Ouellet, J. L., Pagan, S., Pagliarone, C., Pagnanini, L., Pari, P., Pattavina, L., Paul, B., Pavan, M., Peng, H., Pessina, G., Pettinacci, V., Pira, C., Pirro, S., Poda, D. V., Polakovic, T., Polischuk, O. G., Pozzi, S., Previtali, E., Puiu, A., Ressa, A., Rizzoli, R., Rosenfeld, C., Rusconi, C., Sanglard, V., Scarpaci, J., Schmidt, B., Sharma, V., Shlegel, V., Singh, V., Sisti, M., Speller, D., Surukuchi, P. T., Taffarello, L., Tellier, O., Tomei, C., Tretyak, V. I., Tsymbaliuk, A., Vedda, A., Velazquez, M., Vetter, K. J., Wagaarachchi, S. L., Wang, G., Wang, L., Welliver, B., Wilson, J., Wilson, K., Winslow, L. A., Xue, M., Yan, L., Yang, J., Yefremenko, V., Yumatov, V., Zarytskyy, M. M., Zhang, J., Zolotarova, A., and Zucchelli, S.
Published: 2022
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18. CUPID: The Next-Generation Neutrinoless Double Beta Decay Experiment

Author: Alfonso, K., Armatol, A., Augier, C., Avignone, III, F. T., Azzolini, O., Balata, M., Barabash, A. S., Bari, G., Barresi, A., Baudin, D., Bellini, F., Benato, G., Beretta, M., Bettelli, M., Biassoni, M., Billard, J., Boldrini, V., Branca, A., Brofferio, C., Bucci, C., Camilleri, J., Campani, A., Capelli, C., Capelli, S., Cappelli, L., Cardani, L., Carniti, P., Casali, N., Celi, E., Chang, C., Chiesa, D., Clemenza, M., Colantoni, I., Copello, S., Craft, E., Cremonesi, O., Creswick, R. J., Cruciani, A., D’Addabbo, A., D’Imperio, G., Dabagov, S., Dafinei, I., Danevich, F. A., De Jesus, M., De Marcillac, P., Dell’Oro, S., Domizio, S. Di, Lorenzo, S. Di, Dixon, T., Dompè, V., Drobizhev, A., Dumoulin, L., Fantini, G., Faverzani, M., Ferri, E., Ferri, F., Ferroni, F., Figueroa-Feliciano, E., Foggetta, L., Formaggio, J., Franceschi, A., Fu, C., Fu, S., Fujikawa, B. K., Gallas, A., Gascon, J., Ghislandi, S., Giachero, A., Gianvecchio, A., Gironi, L., Giuliani, A., Gorla, P., Gotti, C., Grant, C., Gras, P., Guillaumon, P. V., Gutierrez, T. D., Han, K., Hansen, E. V., Heeger, K. M., Helis, D. L., Huang, H. Z., Imbert, L., Johnston, J., Juillard, A., Karapetrov, G., Keppel, G., Khalife, H., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S. I., Kowalski, R., Langford, T., Lefevre, M., Liu, R., Liu, Y., Loaiza, P., Ma, L., Madhukuttan, M., Mancarella, F., Marini, L., Marnieros, S., Martinez, M., Maruyama, R. H., Mas, Ph., Mauri, B., Mayer, D., Mazzitelli, G., Mei, Y., Milana, S., Morganti, S., Napolitano, T., Nastasi, M., Nikkel, J., Nisi, S., Nones, C., Norman, E. B., Novosad, V., Nutini, I., O’Donnell, T., Olivieri, E., Olmi, M., Ouellet, J. L., Pagan, S., Pagliarone, C., Pagnanini, L., Pattavina, L., Pavan, M., Peng, H., Pessina, G., Pettinacci, V., Pira, C., Pirro, S., Poda, D. V., Polischuk, O. G., Ponce, I., Pozzi, S., Previtali, E., Puiu, A., Quitadamo, S., Ressa, A., Rizzoli, R., Rosenfeld, C., Rosier, P., Scarpaci, J. A., Schmidt, B., Sharma, V., Shlegel, V. N., Singh, V., Sisti, M., Slocum, P., Speller, D., Surukuchi, P. T., Taffarello, L., Tomei, C., Torres, J. A., Tretyak, V. I., Tsymbaliuk, A., Velazquez, M., Vetter, K. J., Wagaarachchi, S. L., Wang, G., Wang, L., Wang, R., Welliver, B., Wilson, J., Wilson, K., Winslow, L. A., Xue, M., Yan, L., Yang, J., Yefremenko, V., Umatov, V. I., Zarytskyy, M. M., Zhang, J., Zolotarova, A., and Zucchelli, S.
Published: 2022
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19. Optimization of the first CUPID detector module

Author: Alfonso, K., Armatol, A., Augier, C., Avignone, III, F. T., Azzolini, O., Balata, M., Barabash, A. S., Bari, G., Barresi, A., Baudin, D., Bellini, F., Benato, G., Beretta, M., Bettelli, M., Biassoni, M., Billard, J., Boldrini, V., Branca, A., Brofferio, C., Bucci, C., Camilleri, J., Campani, A., Capelli, C., Capelli, S., Cappelli, L., Cardani, L., Carniti, P., Casali, N., Celi, E., Chang, C., Chiesa, D., Clemenza, M., Colantoni, I., Copello, S., Craft, E., Cremonesi, O., Creswick, R. J., Cruciani, A., D’Addabbo, A., D’Imperio, G., Dabagov, S., Dafinei, I., Danevich, F. A., De Jesus, M., de Marcillac, P., Dell’Oro, S., Di Domizio, S., Di Lorenzo, S., Dixon, T., Dompè, V., Drobizhev, A., Dumoulin, L., Fantini, G., Faverzani, M., Ferri, E., Ferri, F., Ferroni, F., Figueroa-Feliciano, E., Foggetta, L., Formaggio, J., Franceschi, A., Fu, C., Fu, S., Fujikawa, B. K., Gallas, A., Gascon, J., Ghislandi, S., Giachero, A., Gianvecchio, A., Gironi, L., Giuliani, A., Gorla, P., Gotti, C., Grant, C., Gras, P., Guillaumon, P. V., Gutierrez, T. D., Han, K., Hansen, E. V., Heeger, K. M., Helis, D. L., Huang, H. Z., Imbert, L., Johnston, J., Juillard, A., Karapetrov, G., Keppel, G., Khalife, H., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S. I., Kowalski, R., Langford, T., Lefevre, M., Liu, R., Liu, Y., Loaiza, P., Ma, L., Madhukuttan, M., Mancarella, F., Marini, L., Marnieros, S., Martinez, M., Maruyama, R. H., Mas, Ph., Mauri, B., Mayer, D., Mazzitelli, G., Mei, Y., Milana, S., Morganti, S., Napolitano, T., Nastasi, M., Nikkel, J., Nisi, S., Nones, C., Norman, E. B., Novosad, V., Nutini, I., O’Donnell, T., Olivieri, E., Olmi, M., Ouellet, J. L., Pagan, S., Pagliarone, C., Pagnanini, L., Pattavina, L., Pavan, M., Peng, H., Pessina, G., Pettinacci, V., Pira, C., Pirro, S., Poda, D. V., Polischuk, O. G., Ponce, I., Pozzi, S., Previtali, E., Puiu, A., Quitadamo, S., Ressa, A., Rizzoli, R., Rosenfeld, C., Rosier, P., Scarpaci, J., Schmidt, B., Sharma, V., Shlegel, V. N., Singh, V., Sisti, M., Slocum, P., Speller, D., Surukuchi, P. T., Taffarello, L., Tomei, C., Torres, J. A., Tretyak, V. I., Tsymbaliuk, A., Velazquez, M., Vetter, K. J., Wagaarachchi, S. L., Wang, G., Wang, L., Wang, R., Welliver, B., Wilson, J., Wilson, K., Winslow, L. A., Xue, M., Yan, L., Yang, J., Yefremenko, V., Umatov, V. I., Zarytskyy, M. M., Zhang, J., Zolotarova, A., and Zucchelli, S.
Published: 2022
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20. Characterization of cubic Li2100421004MoO21004 crystals for the CUPID experiment

Author: Armatol, A., Armengaud, E., Armstrong, W., Augier, C., Avignone, III, F. T., Azzolini, O., Barabash, A., Bari, G., Barresi, A., Baudin, D., Bellini, F., Benato, G., Beretta, M., Bergé, L., Biassoni, M., Billard, J., Boldrini, V., Branca, A., Brofferio, C., Bucci, C., Camilleri, J., Capelli, S., Cappelli, L., Cardani, L., Carniti, P., Casali, N., Cazes, A., Celi, E., Chang, C., Chapellier, M., Charrier, A., Chiesa, D., Clemenza, M., Colantoni, I., Collamati, F., Copello, S., Cremonesi, O., J. Creswick, R., Cruciani, A., D’Addabbo, A., D’Imperio, G., Dafinei, I., A. Danevich, F., de Combarieu, M., De Jesus, M., de Marcillac, P., Dell’Oro, S., Di Domizio, S., Dompè, V., Drobizhev, A., Dumoulin, L., Fantini, G., Faverzani, M., Ferri, E., Ferri, F., Ferroni, F., Figueroa-Feliciano, E., Formaggio, J., Franceschi, A., Fu, C., Fu, S., Fujikawa, B. K., Gascon, J., Giachero, A., Gironi, L., Giuliani, A., Gorla, P., Gotti, C., Gras, P., Gros, M., Gutierrez, T. D., Han, K., Hansen, E. V., Heeger, K. M., Helis, D. L., Huang, H. Z., Huang, R. G., Imbert, L., Johnston, J., Juillard, A., Karapetrov, G., Keppel, G., Khalife, H., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S., Liu, Y., Loaiza, P., Ma, L., Madhukuttan, M., Mancarella, F., Mariam, R., Marini, L., Marnieros, S., Martinez, M., Maruyama, R. H., Mauri, B., Mayer, D., Mei, Y., Milana, S., Misiak, D., Napolitano, T., Nastasi, M., Navick, X. F., Nikkel, J., Nipoti, R., Nisi, S., Nones, C., Norman, E. B., Novosad, V., Nutini, I., O’Donnell, T., Olivieri, E., Oriol, C., Ouellet, J. L., Pagan, S., Pagliarone, C., Pagnanini, L., Pari, P., Pattavina, L., Paul, B., Pavan, M., Peng, H., Pessina, G., Pettinacci, V., Pira, C., Pirro, S., V. Poda, D., Polakovic, T., Polischuk, O. G., Pozzi, S., Previtali, E., Puiu, A., Ressa, A., Rizzoli, R., Rosenfeld, C., Rusconi, C., Sanglard, V., Scarpaci, J. A., Schmidt, B., Sharma, V., Shlegel, V., Singh, V., Sisti, M., Speller, D., Surukuchi, P. T., Taffarello, L., Tellier, O., Tomei, C., Tretyak, V. I., Tsymbaliuk, A., Velazquez, M., Vetter, K. J., Wagaarachchi, S. L., Wang, G., Wang, L., Welliver, B., Wilson, J., Wilson, K., Winslow, L. A., Xue, M., Yan, L., Yang, J., Yefremenko, V., Yumatov, V., Zarytskyy, M. M., Zhang, J., Zolotarova, A., and Zucchelli, S.
Published: 2021
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21. Optimization of the first CUPID detector module

Author: Alfonso, K, Armatol, A, Augier, C, Avignone, F, Azzolini, O, Balata, M, Barabash, A, Bari, G, Barresi, A, Baudin, D, Bellini, F, Benato, G, Beretta, M, Bettelli, M, Biassoni, M, Billard, J, Boldrini, V, Branca, A, Brofferio, C, Bucci, C, Camilleri, J, Campani, A, Capelli, C, Capelli, S, Cappelli, L, Cardani, L, Carniti, P, Casali, N, Celi, E, Chang, C, Chiesa, D, Clemenza, M, Colantoni, I, Copello, S, Craft, E, Cremonesi, O, Creswick, R, Cruciani, A, D’Addabbo, A, D’Imperio, G, Dabagov, S, Dafinei, I, Danevich, F, De Jesus, M, de Marcillac, P, Dell’Oro, S, Di Domizio, S, Di Lorenzo, S, Dixon, T, Dompè, V, Drobizhev, A, Dumoulin, L, Fantini, G, Faverzani, M, Ferri, E, Ferri, F, Ferroni, F, Figueroa-Feliciano, E, Foggetta, L, Formaggio, J, Franceschi, A, Fu, C, Fu, S, Fujikawa, B, Gallas, A, Gascon, J, Ghislandi, S, Giachero, A, Gianvecchio, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Grant, C, Gras, P, Guillaumon, P, Gutierrez, T, Han, K, Hansen, E, Heeger, K, Helis, D, Huang, H, Imbert, L, Johnston, J, Juillard, A, Karapetrov, G, Keppel, G, Khalife, H, Kobychev, V, Kolomensky, Y, Konovalov, S, Kowalski, R, Langford, T, Lefevre, M, Liu, R, Liu, Y, Loaiza, P, Ma, L, Madhukuttan, M, Mancarella, F, Marini, L, Marnieros, S, Martinez, M, Maruyama, R, Mas, P, Mauri, B, Mayer, D, Mazzitelli, G, Mei, Y, Milana, S, Morganti, S, Napolitano, T, Nastasi, M, Nikkel, J, Nisi, S, Nones, C, Norman, E, Novosad, V, Nutini, I, O’Donnell, T, Olivieri, E, Olmi, M, Ouellet, J, Pagan, S, Pagliarone, C, Pagnanini, L, Pattavina, L, Pavan, M, Peng, H, Pessina, G, Pettinacci, V, Pira, C, Pirro, S, Poda, D, Polischuk, O, Ponce, I, Pozzi, S, Previtali, E, Puiu, A, Quitadamo, S, Ressa, A, Rizzoli, R, Rosenfeld, C, Rosier, P, Scarpaci, J, Schmidt, B, Sharma, V, Shlegel, V, Singh, V, Sisti, M, Slocum, P, Speller, D, Surukuchi, P, Taffarello, L, Tomei, C, Torres, J, Tretyak, V, Tsymbaliuk, A, Velazquez, M, Vetter, K, Wagaarachchi, S, Wang, G, Wang, L, Wang, R, Welliver, B, Wilson, J, Wilson, K, Winslow, L, Xue, M, Yan, L, Yang, J, Yefremenko, V, Umatov, V, Zarytskyy, M, Zhang, J, Zolotarova, A, Zucchelli, S, Alfonso, K., Armatol, A., Augier, C., Avignone, F. T., Azzolini, O., Balata, M., Barabash, A. S., Bari, G., Barresi, A., Baudin, D., Bellini, F., Benato, G., Beretta, M., Bettelli, M., Biassoni, M., Billard, J., Boldrini, V., Branca, A., Brofferio, C., Bucci, C., Camilleri, J., Campani, A., Capelli, C., Capelli, S., Cappelli, L., Cardani, L., Carniti, P., Casali, N., Celi, E., Chang, C., Chiesa, D., Clemenza, M., Colantoni, I., Copello, S., Craft, E., Cremonesi, O., Creswick, R. J., Cruciani, A., D’Addabbo, A., D’Imperio, G., Dabagov, S., Dafinei, I., Danevich, F. A., De Jesus, M., de Marcillac, P., Dell’Oro, S., Di Domizio, S., Di Lorenzo, S., Dixon, T., Dompè, V., Drobizhev, A., Dumoulin, L., Fantini, G., Faverzani, M., Ferri, E., Ferri, F., Ferroni, F., Figueroa-Feliciano, E., Foggetta, L., Formaggio, J., Franceschi, A., Fu, C., Fu, S., Fujikawa, B. K., Gallas, A., Gascon, J., Ghislandi, S., Giachero, A., Gianvecchio, A., Gironi, L., Giuliani, A., Gorla, P., Gotti, C., Grant, C., Gras, P., Guillaumon, P. V., Gutierrez, T. D., Han, K., Hansen, E. V., Heeger, K. M., Helis, D. L., Huang, H. Z., Imbert, L., Johnston, J., Juillard, A., Karapetrov, G., Keppel, G., Khalife, H., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S. I., Kowalski, R., Langford, T., Lefevre, M., Liu, R., Liu, Y., Loaiza, P., Ma, L., Madhukuttan, M., Mancarella, F., Marini, L., Marnieros, S., Martinez, M., Maruyama, R. H., Mas, Ph., Mauri, B., Mayer, D., Mazzitelli, G., Mei, Y., Milana, S., Morganti, S., Napolitano, T., Nastasi, M., Nikkel, J., Nisi, S., Nones, C., Norman, E. B., Novosad, V., Nutini, I., O’Donnell, T., Olivieri, E., Olmi, M., Ouellet, J. L., Pagan, S., Pagliarone, C., Pagnanini, L., Pattavina, L., Pavan, M., Peng, H., Pessina, G., Pettinacci, V., Pira, C., Pirro, S., Poda, D. V., Polischuk, O. G., Ponce, I., Pozzi, S., Previtali, E., Puiu, A., Quitadamo, S., Ressa, A., Rizzoli, R., Rosenfeld, C., Rosier, P., Scarpaci, J., Schmidt, B., Sharma, V., Shlegel, V. N., Singh, V., Sisti, M., Slocum, P., Speller, D., Surukuchi, P. T., Taffarello, L., Tomei, C., Torres, J. A., Tretyak, V. I., Tsymbaliuk, A., Velazquez, M., Vetter, K. J., Wagaarachchi, S. L., Wang, G., Wang, L., Wang, R., Welliver, B., Wilson, J., Wilson, K., Winslow, L. A., Xue, M., Yan, L., Yang, J., Yefremenko, V., Umatov, V. I., Zarytskyy, M. M., Zhang, J., Zolotarova, A., Zucchelli, S., Alfonso, K, Armatol, A, Augier, C, Avignone, F, Azzolini, O, Balata, M, Barabash, A, Bari, G, Barresi, A, Baudin, D, Bellini, F, Benato, G, Beretta, M, Bettelli, M, Biassoni, M, Billard, J, Boldrini, V, Branca, A, Brofferio, C, Bucci, C, Camilleri, J, Campani, A, Capelli, C, Capelli, S, Cappelli, L, Cardani, L, Carniti, P, Casali, N, Celi, E, Chang, C, Chiesa, D, Clemenza, M, Colantoni, I, Copello, S, Craft, E, Cremonesi, O, Creswick, R, Cruciani, A, D’Addabbo, A, D’Imperio, G, Dabagov, S, Dafinei, I, Danevich, F, De Jesus, M, de Marcillac, P, Dell’Oro, S, Di Domizio, S, Di Lorenzo, S, Dixon, T, Dompè, V, Drobizhev, A, Dumoulin, L, Fantini, G, Faverzani, M, Ferri, E, Ferri, F, Ferroni, F, Figueroa-Feliciano, E, Foggetta, L, Formaggio, J, Franceschi, A, Fu, C, Fu, S, Fujikawa, B, Gallas, A, Gascon, J, Ghislandi, S, Giachero, A, Gianvecchio, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Grant, C, Gras, P, Guillaumon, P, Gutierrez, T, Han, K, Hansen, E, Heeger, K, Helis, D, Huang, H, Imbert, L, Johnston, J, Juillard, A, Karapetrov, G, Keppel, G, Khalife, H, Kobychev, V, Kolomensky, Y, Konovalov, S, Kowalski, R, Langford, T, Lefevre, M, Liu, R, Liu, Y, Loaiza, P, Ma, L, Madhukuttan, M, Mancarella, F, Marini, L, Marnieros, S, Martinez, M, Maruyama, R, Mas, P, Mauri, B, Mayer, D, Mazzitelli, G, Mei, Y, Milana, S, Morganti, S, Napolitano, T, Nastasi, M, Nikkel, J, Nisi, S, Nones, C, Norman, E, Novosad, V, Nutini, I, O’Donnell, T, Olivieri, E, Olmi, M, Ouellet, J, Pagan, S, Pagliarone, C, Pagnanini, L, Pattavina, L, Pavan, M, Peng, H, Pessina, G, Pettinacci, V, Pira, C, Pirro, S, Poda, D, Polischuk, O, Ponce, I, Pozzi, S, Previtali, E, Puiu, A, Quitadamo, S, Ressa, A, Rizzoli, R, Rosenfeld, C, Rosier, P, Scarpaci, J, Schmidt, B, Sharma, V, Shlegel, V, Singh, V, Sisti, M, Slocum, P, Speller, D, Surukuchi, P, Taffarello, L, Tomei, C, Torres, J, Tretyak, V, Tsymbaliuk, A, Velazquez, M, Vetter, K, Wagaarachchi, S, Wang, G, Wang, L, Wang, R, Welliver, B, Wilson, J, Wilson, K, Winslow, L, Xue, M, Yan, L, Yang, J, Yefremenko, V, Umatov, V, Zarytskyy, M, Zhang, J, Zolotarova, A, Zucchelli, S, Alfonso, K., Armatol, A., Augier, C., Avignone, F. T., Azzolini, O., Balata, M., Barabash, A. S., Bari, G., Barresi, A., Baudin, D., Bellini, F., Benato, G., Beretta, M., Bettelli, M., Biassoni, M., Billard, J., Boldrini, V., Branca, A., Brofferio, C., Bucci, C., Camilleri, J., Campani, A., Capelli, C., Capelli, S., Cappelli, L., Cardani, L., Carniti, P., Casali, N., Celi, E., Chang, C., Chiesa, D., Clemenza, M., Colantoni, I., Copello, S., Craft, E., Cremonesi, O., Creswick, R. J., Cruciani, A., D’Addabbo, A., D’Imperio, G., Dabagov, S., Dafinei, I., Danevich, F. A., De Jesus, M., de Marcillac, P., Dell’Oro, S., Di Domizio, S., Di Lorenzo, S., Dixon, T., Dompè, V., Drobizhev, A., Dumoulin, L., Fantini, G., Faverzani, M., Ferri, E., Ferri, F., Ferroni, F., Figueroa-Feliciano, E., Foggetta, L., Formaggio, J., Franceschi, A., Fu, C., Fu, S., Fujikawa, B. K., Gallas, A., Gascon, J., Ghislandi, S., Giachero, A., Gianvecchio, A., Gironi, L., Giuliani, A., Gorla, P., Gotti, C., Grant, C., Gras, P., Guillaumon, P. V., Gutierrez, T. D., Han, K., Hansen, E. V., Heeger, K. M., Helis, D. L., Huang, H. Z., Imbert, L., Johnston, J., Juillard, A., Karapetrov, G., Keppel, G., Khalife, H., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S. I., Kowalski, R., Langford, T., Lefevre, M., Liu, R., Liu, Y., Loaiza, P., Ma, L., Madhukuttan, M., Mancarella, F., Marini, L., Marnieros, S., Martinez, M., Maruyama, R. H., Mas, Ph., Mauri, B., Mayer, D., Mazzitelli, G., Mei, Y., Milana, S., Morganti, S., Napolitano, T., Nastasi, M., Nikkel, J., Nisi, S., Nones, C., Norman, E. B., Novosad, V., Nutini, I., O’Donnell, T., Olivieri, E., Olmi, M., Ouellet, J. L., Pagan, S., Pagliarone, C., Pagnanini, L., Pattavina, L., Pavan, M., Peng, H., Pessina, G., Pettinacci, V., Pira, C., Pirro, S., Poda, D. V., Polischuk, O. G., Ponce, I., Pozzi, S., Previtali, E., Puiu, A., Quitadamo, S., Ressa, A., Rizzoli, R., Rosenfeld, C., Rosier, P., Scarpaci, J., Schmidt, B., Sharma, V., Shlegel, V. N., Singh, V., Sisti, M., Slocum, P., Speller, D., Surukuchi, P. T., Taffarello, L., Tomei, C., Torres, J. A., Tretyak, V. I., Tsymbaliuk, A., Velazquez, M., Vetter, K. J., Wagaarachchi, S. L., Wang, G., Wang, L., Wang, R., Welliver, B., Wilson, J., Wilson, K., Winslow, L. A., Xue, M., Yan, L., Yang, J., Yefremenko, V., Umatov, V. I., Zarytskyy, M. M., Zhang, J., Zolotarova, A., and Zucchelli, S.
Abstract: CUPID will be a next generation experiment searching for the neutrinoless double B decay, whose discovery would establish the Majorana nature of the neutrino. Based on the experience achieved with the CUORE experiment, presently taking data at LNGS, CUPID aims to reach a background free environment by means of scintillating Li2 100MoO4 crystals coupled to light detectors. Indeed, the simultaneous heat and light detection allows us to reject the dominant background of a particles, as proven by the CUPID-0 and CUPID-Mo demonstrators. In this work we present the results of the first test of the CUPID baseline module. In particular, we propose a new optimized detector structure and light sensors design to enhance the engineering and the light collection, respectively. We characterized the heat detectors, achieving an energy resolution of (5.9 ± 0.2) keV FWHM at the Q-value of 100Mo (about 3034 keV). We studied the light collection of the baseline CUPID design with respect to an alternative configuration which features gravity-assisted light detectors’ mounting. In both cases we obtained an improvement in the light collection with respect to past measures and we validated the particle identification capability of the detector, which ensures an a particle rejection higher than 99.9%, fully satisfying the requirements for CUPID.
Published: 2022

22. Machine Learning Techniques for Pile-Up Rejection in Cryogenic Calorimeters

Author: Fantini, G, Armatol, A, Armengaud, E, Armstrong, W, Augier, C, Avignone, F, Azzolini, O, Barabash, A, Bari, G, Barresi, A, Baudin, D, Bellini, F, Benato, G, Beretta, M, Bergé, L, Biassoni, M, Billard, J, Boldrini, V, Branca, A, Brofferio, C, Bucci, C, Camilleri, J, Capelli, S, Cappelli, L, Cardani, L, Carniti, P, Casali, N, Cazes, A, Celi, E, Chang, C, Chapellier, M, Charrier, A, Chiesa, D, Clemenza, M, Colantoni, I, Collamati, F, Copello, S, Cova, F, Cremonesi, O, Creswick, R, Cruciani, A, D’Addabbo, A, D’Imperio, G, Dafinei, I, Danevich, F, de Combarieu, M, De Jesus, M, de Marcillac, P, Dell’Oro, S, Domizio, S, Dompè, V, Drobizhev, A, Dumoulin, L, Fasoli, M, Faverzani, M, Ferri, E, Ferri, F, Ferroni, F, Figueroa-Feliciano, E, Formaggio, J, Franceschi, A, Fu, C, Fu, S, Fujikawa, B, Gascon, J, Giachero, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Gras, P, Gros, M, Gutierrez, T, Han, K, Hansen, E, Heeger, K, Helis, D, Huang, H, Huang, R, Imbert, L, Johnston, J, Juillard, A, Karapetrov, G, Keppel, G, Khalife, H, Kobychev, V, Kolomensky, Y, Konovalov, S, Liu, Y, Loaiza, P, Ma, L, Madhukuttan, M, Mancarella, F, Mariam, R, Marini, L, Marnieros, S, Martinez, M, Maruyama, R, Mauri, B, Mayer, D, Mei, Y, Milana, S, Misiak, D, Napolitano, T, Nastasi, M, Navick, X, Nikkel, J, Nipoti, R, Nisi, S, Nones, C, Norman, E, Novosad, V, Nutini, I, O’Donnell, T, Olivieri, E, Oriol, C, Ouellet, J, Pagan, S, Pagliarone, C, Pagnanini, L, Pari, P, Pattavina, L, Paul, B, Pavan, M, Peng, H, Pessina, G, Pettinacci, V, Pira, C, Pirro, S, Poda, D, Polakovic, T, Polischuk, O, Pozzi, S, Previtali, E, Puiu, A, Ressa, A, Rizzoli, R, Rosenfeld, C, Rusconi, C, Sanglard, V, Scarpaci, J, Schmidt, B, Sharma, V, Shlegel, V, Singh, V, Sisti, M, Speller, D, Surukuchi, P, Taffarello, L, Tellier, O, Tomei, C, Tretyak, V, Tsymbaliuk, A, Vedda, A, Velazquez, M, Vetter, K, Wagaarachchi, S, Wang, G, Wang, L, Welliver, B, Wilson, J, Wilson, K, Winslow, L, Xue, M, Yan, L, Yang, J, Yefremenko, V, Yumatov, V, Zarytskyy, M, Zhang, J, Zolotarova, A, Zucchelli, S, Fantini, G., Armatol, A., Armengaud, E., Armstrong, W., Augier, C., Avignone, F. T., Azzolini, O., Barabash, A., Bari, G., Barresi, A., Baudin, D., Bellini, F., Benato, G., Beretta, M., Bergé, L., Biassoni, M., Billard, J., Boldrini, V., Branca, A., Brofferio, C., Bucci, C., Camilleri, J., Capelli, S., Cappelli, L., Cardani, L., Carniti, P., Casali, N., Cazes, A., Celi, E., Chang, C., Chapellier, M., Charrier, A., Chiesa, D., Clemenza, M., Colantoni, I., Collamati, F., Copello, S., Cova, F., Cremonesi, O., Creswick, R. J., Cruciani, A., D’Addabbo, A., D’Imperio, G., Dafinei, I., Danevich, F. A., de Combarieu, M., De Jesus, M., de Marcillac, P., Dell’Oro, S., Domizio, S. Di, Dompè, V., Drobizhev, A., Dumoulin, L., Fasoli, M., Faverzani, M., Ferri, E., Ferri, F., Ferroni, F., Figueroa-Feliciano, E., Formaggio, J., Franceschi, A., Fu, C., Fu, S., Fujikawa, B. K., Gascon, J., Giachero, A., Gironi, L., Giuliani, A., Gorla, P., Gotti, C., Gras, P., Gros, M., Gutierrez, T. D., Han, K., Hansen, E. V., Heeger, K. M., Helis, D. L., Huang, H. Z., Huang, R. G., Imbert, L., Johnston, J., Juillard, A., Karapetrov, G., Keppel, G., Khalife, H., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S., Liu, Y., Loaiza, P., Ma, L., Madhukuttan, M., Mancarella, F., Mariam, R., Marini, L., Marnieros, S., Martinez, M., Maruyama, R. H., Mauri, B., Mayer, D., Mei, Y., Milana, S., Misiak, D., Napolitano, T., Nastasi, M., Navick, X. F., Nikkel, J., Nipoti, R., Nisi, S., Nones, C., Norman, E. B., Novosad, V., Nutini, I., O’Donnell, T., Olivieri, E., Oriol, C., Ouellet, J. L., Pagan, S., Pagliarone, C., Pagnanini, L., Pari, P., Pattavina, L., Paul, B., Pavan, M., Peng, H., Pessina, G., Pettinacci, V., Pira, C., Pirro, S., Poda, D. V., Polakovic, T., Polischuk, O. G., Pozzi, S., Previtali, E., Puiu, A., Ressa, A., Rizzoli, R., Rosenfeld, C., Rusconi, C., Sanglard, V., Scarpaci, J., Schmidt, B., Sharma, V., Shlegel, V., Singh, V., Sisti, M., Speller, D., Surukuchi, P. T., Taffarello, L., Tellier, O., Tomei, C., Tretyak, V. I., Tsymbaliuk, A., Vedda, A., Velazquez, M., Vetter, K. J., Wagaarachchi, S. L., Wang, G., Wang, L., Welliver, B., Wilson, J., Wilson, K., Winslow, L. A., Xue, M., Yan, L., Yang, J., Yefremenko, V., Yumatov, V., Zarytskyy, M. M., Zhang, J., Zolotarova, A., Zucchelli, S., Fantini, G, Armatol, A, Armengaud, E, Armstrong, W, Augier, C, Avignone, F, Azzolini, O, Barabash, A, Bari, G, Barresi, A, Baudin, D, Bellini, F, Benato, G, Beretta, M, Bergé, L, Biassoni, M, Billard, J, Boldrini, V, Branca, A, Brofferio, C, Bucci, C, Camilleri, J, Capelli, S, Cappelli, L, Cardani, L, Carniti, P, Casali, N, Cazes, A, Celi, E, Chang, C, Chapellier, M, Charrier, A, Chiesa, D, Clemenza, M, Colantoni, I, Collamati, F, Copello, S, Cova, F, Cremonesi, O, Creswick, R, Cruciani, A, D’Addabbo, A, D’Imperio, G, Dafinei, I, Danevich, F, de Combarieu, M, De Jesus, M, de Marcillac, P, Dell’Oro, S, Domizio, S, Dompè, V, Drobizhev, A, Dumoulin, L, Fasoli, M, Faverzani, M, Ferri, E, Ferri, F, Ferroni, F, Figueroa-Feliciano, E, Formaggio, J, Franceschi, A, Fu, C, Fu, S, Fujikawa, B, Gascon, J, Giachero, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Gras, P, Gros, M, Gutierrez, T, Han, K, Hansen, E, Heeger, K, Helis, D, Huang, H, Huang, R, Imbert, L, Johnston, J, Juillard, A, Karapetrov, G, Keppel, G, Khalife, H, Kobychev, V, Kolomensky, Y, Konovalov, S, Liu, Y, Loaiza, P, Ma, L, Madhukuttan, M, Mancarella, F, Mariam, R, Marini, L, Marnieros, S, Martinez, M, Maruyama, R, Mauri, B, Mayer, D, Mei, Y, Milana, S, Misiak, D, Napolitano, T, Nastasi, M, Navick, X, Nikkel, J, Nipoti, R, Nisi, S, Nones, C, Norman, E, Novosad, V, Nutini, I, O’Donnell, T, Olivieri, E, Oriol, C, Ouellet, J, Pagan, S, Pagliarone, C, Pagnanini, L, Pari, P, Pattavina, L, Paul, B, Pavan, M, Peng, H, Pessina, G, Pettinacci, V, Pira, C, Pirro, S, Poda, D, Polakovic, T, Polischuk, O, Pozzi, S, Previtali, E, Puiu, A, Ressa, A, Rizzoli, R, Rosenfeld, C, Rusconi, C, Sanglard, V, Scarpaci, J, Schmidt, B, Sharma, V, Shlegel, V, Singh, V, Sisti, M, Speller, D, Surukuchi, P, Taffarello, L, Tellier, O, Tomei, C, Tretyak, V, Tsymbaliuk, A, Vedda, A, Velazquez, M, Vetter, K, Wagaarachchi, S, Wang, G, Wang, L, Welliver, B, Wilson, J, Wilson, K, Winslow, L, Xue, M, Yan, L, Yang, J, Yefremenko, V, Yumatov, V, Zarytskyy, M, Zhang, J, Zolotarova, A, Zucchelli, S, Fantini, G., Armatol, A., Armengaud, E., Armstrong, W., Augier, C., Avignone, F. T., Azzolini, O., Barabash, A., Bari, G., Barresi, A., Baudin, D., Bellini, F., Benato, G., Beretta, M., Bergé, L., Biassoni, M., Billard, J., Boldrini, V., Branca, A., Brofferio, C., Bucci, C., Camilleri, J., Capelli, S., Cappelli, L., Cardani, L., Carniti, P., Casali, N., Cazes, A., Celi, E., Chang, C., Chapellier, M., Charrier, A., Chiesa, D., Clemenza, M., Colantoni, I., Collamati, F., Copello, S., Cova, F., Cremonesi, O., Creswick, R. J., Cruciani, A., D’Addabbo, A., D’Imperio, G., Dafinei, I., Danevich, F. A., de Combarieu, M., De Jesus, M., de Marcillac, P., Dell’Oro, S., Domizio, S. Di, Dompè, V., Drobizhev, A., Dumoulin, L., Fasoli, M., Faverzani, M., Ferri, E., Ferri, F., Ferroni, F., Figueroa-Feliciano, E., Formaggio, J., Franceschi, A., Fu, C., Fu, S., Fujikawa, B. K., Gascon, J., Giachero, A., Gironi, L., Giuliani, A., Gorla, P., Gotti, C., Gras, P., Gros, M., Gutierrez, T. D., Han, K., Hansen, E. V., Heeger, K. M., Helis, D. L., Huang, H. Z., Huang, R. G., Imbert, L., Johnston, J., Juillard, A., Karapetrov, G., Keppel, G., Khalife, H., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S., Liu, Y., Loaiza, P., Ma, L., Madhukuttan, M., Mancarella, F., Mariam, R., Marini, L., Marnieros, S., Martinez, M., Maruyama, R. H., Mauri, B., Mayer, D., Mei, Y., Milana, S., Misiak, D., Napolitano, T., Nastasi, M., Navick, X. F., Nikkel, J., Nipoti, R., Nisi, S., Nones, C., Norman, E. B., Novosad, V., Nutini, I., O’Donnell, T., Olivieri, E., Oriol, C., Ouellet, J. L., Pagan, S., Pagliarone, C., Pagnanini, L., Pari, P., Pattavina, L., Paul, B., Pavan, M., Peng, H., Pessina, G., Pettinacci, V., Pira, C., Pirro, S., Poda, D. V., Polakovic, T., Polischuk, O. G., Pozzi, S., Previtali, E., Puiu, A., Ressa, A., Rizzoli, R., Rosenfeld, C., Rusconi, C., Sanglard, V., Scarpaci, J., Schmidt, B., Sharma, V., Shlegel, V., Singh, V., Sisti, M., Speller, D., Surukuchi, P. T., Taffarello, L., Tellier, O., Tomei, C., Tretyak, V. I., Tsymbaliuk, A., Vedda, A., Velazquez, M., Vetter, K. J., Wagaarachchi, S. L., Wang, G., Wang, L., Welliver, B., Wilson, J., Wilson, K., Winslow, L. A., Xue, M., Yan, L., Yang, J., Yefremenko, V., Yumatov, V., Zarytskyy, M. M., Zhang, J., Zolotarova, A., and Zucchelli, S.
Abstract: CUORE Upgrade with Particle IDentification (CUPID) is a foreseen ton-scale array of Li2MoO4 (LMO) cryogenic calorimeters with double readout of heat and light signals. Its scientific goal is to fully explore the inverted hierarchy of neutrino masses in the search for neutrinoless double beta decay of 100Mo. Pile-up of standard double beta decay of the candidate isotope is a relevant background. We generate pile-up heat events via injection of Joule heater pulses with a programmable waveform generator in a small array of LMO crystals operated underground in the Laboratori Nazionali del Gran Sasso, Italy. This allows to label pile-up pulses and control both time difference and underlying amplitudes of individual heat pulses in the data. We present the performance of supervised learning classifiers on data and the attained pile-up rejection efficiency.
Published: 2022

23. The European Physical Journal C

Author: Alfonso, K., Armatol, A., Augier, C., Avignone, F. T., Azzolini, O., Balata, M., Barabash, A. S., Bari, G., Barresi, A., Baudin, D., Bellini, F., Benato, G., Beretta, M., Bettelli, M., Biassoni, M., Billard, J., Boldrini, V., Branca, A., Brofferio, C., Bucci, C., Camilleri, J., Campani, A., Capelli, C., Capelli, S., Cappelli, L., Cardani, L., Carniti, P., Casali, N., Celi, E., Chang, C., Chiesa, D., Clemenza, M., Colantoni, I., Copello, S., Craft, E., Cremonesi, O., Creswick, R. J., Cruciani, A., D’Addabbo, A., D’Imperio, G., Dabagov, S., Dafinei, I., Danevich, F. A., De Jesus, M., de Marcillac, P., Dell’Oro, S., Di Domizio, S., Di Lorenzo, S., Dixon, T., Dompè, V., Drobizhev, A., Dumoulin, L., Fantini, G., Faverzani, M., Ferri, E., Ferri, F., Ferroni, F., Figueroa-Feliciano, E., Foggetta, L., Formaggio, J., Franceschi, A., Fu, C., Fu, S., Fujikawa, B. K., Gallas, A., Gascon, J., Ghislandi, S., Giachero, A., Gianvecchio, A., Gironi, L., Giuliani, A., Gorla, P., Gotti, C., Grant, C., Gras, P., Guillaumon, P. V., Gutierrez, T. D., Han, K., Hansen, E. V., Heeger, K. M., Helis, D. L., Huang, H. Z., Imbert, L., Johnston, J., Juillard, A., Karapetrov, G., Keppel, G., Khalife, H., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S. I., Kowalski, R., Langford, T., Lefevre, M., Liu, R., Liu, Y., Loaiza, P., Ma, L., Madhukuttan, M., Mancarella, F., Marini, L., Marnieros, S., Martinez, M., Maruyama, R. H., Mas, Ph., Mauri, B., Mayer, D., Mazzitelli, G., Mei, Y., Milana, S., Morganti, S., Napolitano, T., Nastasi, M., Nikkel, J., Nisi, S., Nones, C., Norman, E. B., Novosad, V., Nutini, I., O’Donnell, T., Olivieri, E., Olmi, M., Ouellet, J. L., Pagan, S., Pagliarone, C., Pagnanini, L., Pattavina, L., Pavan, M., Peng, H., Pessina, G., Pettinacci, V., Pira, C., Pirro, S., Poda, D. V., Polischuk, O. G., Ponce, I., Pozzi, S., Previtali, E., Puiu, A., Quitadamo, S., Ressa, A., Rizzoli, R., Rosenfeld, C., Rosier, P., Scarpaci, J., Schmidt, B., Sharma, V., Shlegel, V. N., Singh, V., Sisti, M., Slocum, P., Speller, D., Surukuchi, P. T., Taffarello, L., Tomei, C., Torres, J. A., Tretyak, V. I., Tsymbaliuk, A., Velazquez, M., Vetter, K. J., Wagaarachchi, S. L., Wang, G., Wang, L., Wang, R., Welliver, B., Wilson, J., Wilson, K., Winslow, L. A., Xue, M., Yan, L., Yang, J., Yefremenko, V., Umatov, V. I., Zarytskyy, M. M., Zhang, J., Zolotarova, A., Zucchelli, S., Alfonso, K, Armatol, A, Augier, C, Avignone, FT, Azzolini, O, Balata, M, Barabash, AS, Bari, G, Barresi, A, Baudin, D, Bellini, F, Benato, G, Beretta, M, Bettelli, M, Biassoni, M, Billard, J, Boldrini, V, Branca, A, Brofferio, C, Bucci, C, Camilleri, J, Campani, A, Capelli, C, Capelli, S, Cappelli, L, Cardani, L, Carniti, P, Casali, N, Celi, E, Chang, C, Chiesa, D, Clemenza, M, Colantoni, I, Copello, S, Craft, E, Cremonesi, O, Creswick, RJ, Cruciani, A, D'Addabbo, A, D'Imperio, G, Dabagov, S, Dafinei, I, Danevich, FA, De Jesus, M, de Marcillac, P, Dell'Oro, S, Di Domizio, S, Di Lorenzo, S, Dixon, T, Dompe, V, Drobizhev, A, Dumoulin, L, Fantini, G, Faverzani, M, Ferri, E, Ferri, F, Ferroni, F, Figueroa-Feliciano, E, Foggetta, L, Formaggio, J, Franceschi, A, Fu, C, Fu, S, Fujikawa, BK, Gallas, A, Gascon, J, Ghislandi, S, Giachero, A, Gianvecchio, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Grant, C, Gras, P, Guillaumon, PV, Gutierrez, TD, Han, K, Hansen, EV, Heeger, KM, Helis, DL, Huang, HZ, Imbert, L, Johnston, J, Juillard, A, Karapetrov, G, Keppel, G, Khalife, H, Kobychev, VV, Kolomensky, YG, Konovalov, SI, Kowalski, R, Langford, T, Lefevre, M, Liu, R, Liu, Y, Loaiza, P, Ma, L, Madhukuttan, M, Mancarella, F, Marini, L, Marnieros, S, Martinez, M, Maruyama, RH, Mas, P, Mauri, B, Mayer, D, Mazzitelli, G, Mei, Y, Milana, S, Morganti, S, Napolitano, T, Nastasi, M, Nikkel, J, Nisi, S, Nones, C, Norman, EB, Novosad, V, Nutini, I, O'Donnell, T, Olivieri, E, Olmi, M, Ouellet, JL, Pagan, S, Pagliarone, C, Pagnanini, L, Pattavina, L, Pavan, M, Peng, H, Pessina, G, Pettinacci, V, Pira, C, Pirro, S, Poda, DV, Polischuk, OG, Ponce, I, Pozzi, S, Previtali, E, Puiu, A, Quitadamo, S, Ressa, A, Rizzoli, R, Rosenfeld, C, Rosier, P, Scarpaci, J, Schmidt, B, Sharma, V, Shlegel, VN, Singh, V, Sisti, M, Slocum, P, Speller, D, Surukuchi, PT, Taffarello, L, Tomei, C, Torres, JA, Tretyak, VI, Tsymbaliuk, A, Velazquez, M, Vetter, KJ, Wagaarachchi, SL, Wang, G, Wang, L, Wang, R, Welliver, B, Wilson, J, Wilson, K, Winslow, LA, Xue, M, Yan, L, Yang, J, Yefremenko, V, Umatov, VI, Zarytskyy, MM, Zhang, J, Zolotarova, A, Zucchelli, S, Avignone, F, Barabash, A, Creswick, R, D’Addabbo, A, D’Imperio, G, Danevich, F, Dell’Oro, S, Dompè, V, Fujikawa, B, Guillaumon, P, Gutierrez, T, Hansen, E, Heeger, K, Helis, D, Huang, H, Kobychev, V, Kolomensky, Y, Konovalov, S, Maruyama, R, Norman, E, O’Donnell, T, Ouellet, J, Poda, D, Polischuk, O, Shlegel, V, Surukuchi, P, Torres, J, Tretyak, V, Vetter, K, Wagaarachchi, S, Winslow, L, Umatov, V, and Zarytskyy, M
Subjects: CUPID detector, Physics and Astronomy (miscellaneous), CUPID, Neutrino physics, neutrinoless double beta decay, CUPID, Low-Temperature Detector, Majorana neutrinos, physics, Engineering (miscellaneous)
Abstract: CUPID will be a next generation experiment searching for the neutrinoless double $$\beta $$ β decay, whose discovery would establish the Majorana nature of the neutrino. Based on the experience achieved with the CUORE experiment, presently taking data at LNGS, CUPID aims to reach a background free environment by means of scintillating Li$$_{2}$$ 2 $$^{100}$$ 100 MoO$$_4$$ 4 crystals coupled to light detectors. Indeed, the simultaneous heat and light detection allows us to reject the dominant background of $$\alpha $$ α particles, as proven by the CUPID-0 and CUPID-Mo demonstrators. In this work we present the results of the first test of the CUPID baseline module. In particular, we propose a new optimized detector structure and light sensors design to enhance the engineering and the light collection, respectively. We characterized the heat detectors, achieving an energy resolution of (5.9 ± 0.2) keV FWHM at the Q-value of $$^{100}$$ 100 Mo (about 3034 keV). We studied the light collection of the baseline CUPID design with respect to an alternative configuration which features gravity-assisted light detectors’ mounting. In both cases we obtained an improvement in the light collection with respect to past measures and we validated the particle identification capability of the detector, which ensures an $$\alpha $$ α particle rejection higher than 99.9%, fully satisfying the requirements for CUPID.
Published: 2022

24. Optimization of a single module of CUPID

Author: Ressa, Alberto, primary, Armatol, A., additional, Armengaud, E., additional, Armstrong, W., additional, Augier, C., additional, Avignone, F. T., additional, Azzolini, O., additional, Barabash, A., additional, Bari, G., additional, Barresi, A., additional, Baudin, D., additional, Bellini, F., additional, Benato, G., additional, Beretta, M., additional, Bergé, L., additional, Biassoni, M., additional, Billard, J., additional, Boldrini, V., additional, Branca, A., additional, Brofferio, C., additional, Bucci, C., additional, Camilleri, J., additional, Capelli, S., additional, Cappelli, L., additional, Cardani, L., additional, Carniti, P., additional, Casali, N., additional, Cazes, A., additional, Celi, E., additional, Chang, A., additional, Chapellier, M., additional, Charrier, A., additional, Chiesa, D., additional, Clemenza, M., additional, Colantoni, I., additional, Collamati, F., additional, Copello, S., additional, Cremonesi, O., additional, Creswick, R. J., additional, Cruciani, A., additional, Addabbo, A. D’, additional, Imperio, G. D’, additional, Dafinei, I., additional, Danevich, F. A., additional, Combarieu, M. de, additional, Jesus, M. De, additional, Marcillac, P. de, additional, Dell’Oro, S., additional, Domizio, S. Di, additional, Dompè, V., additional, Drobizhev, A., additional, Dumoulin, L., additional, Fantini, G., additional, Faverzani, M., additional, Ferri, E., additional, Ferri, F., additional, Ferroni, F., additional, Figueroa-Feliciano, E., additional, Formaggio, J., additional, Franceschi, A., additional, Fu, C., additional, Fu, S., additional, Fujikawa, B. K., additional, Gascon, J., additional, Giachero, A., additional, Gironi, L., additional, Giuliani, A., additional, Gorla, P., additional, Gotti, C., additional, Gras, P., additional, Gros, M., additional, Gutierrez, T. D., additional, Han, K., additional, Hansen, E. V., additional, Heeger, K. M., additional, Helis, B. L., additional, Huang, H.Z., additional, Huang, R. G., additional, Imbert, L., additional, Johnston, J., additional, Juillard, A., additional, Karapetrov, G., additional, Keppel, G., additional, Khalife, H., additional, Kobychev, V. V., additional, Kolomensky, Yu. G., additional, Konovalov, S., additional, Liu, Y., additional, Loaiza, P., additional, Ma, L., additional, Madhukuttan, M., additional, Mancarella, F., additional, Mariam, R., additional, Marini, L., additional, Marnieros, S., additional, Martinez, M., additional, Maruyama, R. H., additional, Mauri, B., additional, Mayer, D., additional, Mei, Y., additional, Milana, S., additional, Misiak, D., additional, Napolitano, T., additional, Nastasi, M., additional, Navick, X. F., additional, Nikkel, J., additional, Nipoti, R., additional, Nisi, S., additional, Nones, C., additional, Norman, C. B., additional, Novosad, V., additional, Nutini, I., additional, O’Donnell, T., additional, Olivieri, E., additional, Oriol, C., additional, Ouellet, J. L., additional, Pagan, S., additional, Pagliarone, C., additional, Pagnanini, L., additional, Pari, P., additional, Pattavina, L., additional, Paul, B., additional, Pavan, M., additional, Peng, H., additional, Pessina, G., additional, Pettinacci, V., additional, Pira, C., additional, Pirro, S., additional, Poda, D. V., additional, Polakovic, T., additional, Polischuk, O. G., additional, Pozzi, S., additional, Previtali, E., additional, Puiu, A., additional, Ressa, A., additional, Rizzoli, R., additional, Rosenfeld, C., additional, Rusconi, C., additional, Sanglard, V., additional, Scarpaci, J., additional, Schmidt, B., additional, Sharma, V., additional, Shlegel, V., additional, Singh, V., additional, Sisti, M., additional, Speller, D., additional, Surukuchi, P. T., additional, Taffarello, L., additional, Tellier, O., additional, Tomei, C., additional, Tretyak, V. I., additional, Tsymbaliuk, A., additional, Velazquez, M., additional, Vetter, K. J., additional, Wagaarachchi, S. L., additional, Wang, G., additional, Wang, L., additional, Welliver, B., additional, Wilson, J., additional, Wilson, K., additional, Winslow, L. A., additional, Xue, M., additional, Yan, L., additional, Yang, J., additional, Yefremenko, V., additional, Yumatov, V., additional, Zarytskyy, M. M., additional, Zhang, J., additional, Zolotarova, A., additional, and Zucchelli, S., additional
Published: 2021
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25. Searching for New Physics in two-neutrino double beta decay with CUPID

Author: Armatol, A, primary, Armengaud, E, additional, Armstrong, W, additional, Augier, C, additional, Avignone, F T, additional, Azzolini, O, additional, Barabash, A, additional, Bari, G, additional, Barresi, A, additional, Baudin, D, additional, Bellini, F, additional, Benato, G, additional, Beretta, M, additional, Bergé, L, additional, Biassoni, M, additional, Billard, J, additional, Boldrini, V, additional, Branca, A, additional, Brofferio, C, additional, Bucci, C, additional, Camilleri, J, additional, Capelli, S, additional, Cappelli, L, additional, Cardani, L, additional, Carniti, P, additional, Casali, N, additional, Cazes, A, additional, Celi, E, additional, Chang, C, additional, Chapellier, M, additional, Charrier, A, additional, Chiesa, D, additional, Clemenza, M, additional, Colantoni, I, additional, Collamati, F, additional, Copello, S, additional, Cremonesi, O, additional, Creswick, R J, additional, Cruciani, A, additional, Addabbo, A D’, additional, Imperio, G D’, additional, Dafinei, I, additional, Danevich, F A, additional, de Combarieu, M, additional, Jesus, M De, additional, de Marcillac, P, additional, Dell’Oro, S, additional, Domizio, S Di, additional, Dompè, V, additional, Drobizhev, A, additional, Dumoulin, L, additional, Fantini, G, additional, Faverzani, M, additional, Ferri, E, additional, Ferri, F, additional, Ferroni, F, additional, Figueroa-Feliciano, E, additional, Formaggio, J, additional, Franceschi, A, additional, Fu, C, additional, Fu, S, additional, Fujikawa, B K, additional, Gascon, J, additional, Ghislandi, S, additional, Giachero, A, additional, Gironi, L, additional, Giuliani, A, additional, Gorla, P, additional, Gotti, C, additional, Gras, P, additional, Gros, M, additional, Gutierrez, T D, additional, Han, K, additional, Hansen, E V, additional, Heeger, K M, additional, Helis, D L, additional, Huang, H Z, additional, Huang, R G, additional, Imbert, L, additional, Johnston, J, additional, Juillard, A, additional, Karapetrov, G, additional, Keppel, G, additional, Khalife, H, additional, Kobychev, V V, additional, Kotila, J, additional, Kolomensky, Yu G, additional, Konovalov, S, additional, Liu, Y, additional, Loaiza, P, additional, Ma, L, additional, Madhukuttan, M, additional, Mancarella, F, additional, Mariam, R, additional, Marini, L, additional, Marnieros, S, additional, Martinez, M, additional, Maruyama, R H, additional, Mauri, B, additional, Mayer, D, additional, Mei, Y, additional, Milana, S, additional, Misiak, D, additional, Napolitano, T, additional, Nastasi, M, additional, Navick, X F, additional, Nikkel, J, additional, Nipoti, R, additional, Nisi, S, additional, Nones, C, additional, Norman, E B, additional, Novosad, V, additional, Nutini, I, additional, O’Donnell, T, additional, Olivieri, E, additional, Oriol, C, additional, Ouellet, J L, additional, Pagan, S, additional, Pagliarone, C, additional, Pagnanini, L, additional, Pari, P, additional, Pattavina, L, additional, Paul, B, additional, Pavan, M, additional, Peng, H, additional, Pessina, G, additional, Pettinacci, V, additional, Pira, C, additional, Pirro, S, additional, Poda, D V, additional, Polakovic, T, additional, Polischuk, O G, additional, Pozzi, S, additional, Previtali, E, additional, Puiu, A, additional, Quitadamo, S, additional, Ressa, A, additional, Rizzoli, R, additional, Rosenfeld, C, additional, Rusconi, C, additional, Sanglard, V, additional, Scarpaci, J, additional, Schmidt, B, additional, Sharma, V, additional, Shlegel, V, additional, Singh, V, additional, Sisti, M, additional, Speller, D, additional, Surukuchi, P T, additional, Taffarello, L, additional, Tellier, O, additional, Tomei, C, additional, Tretyak, V I, additional, Tsymbaliuk, A, additional, Velazquez, M, additional, Vetter, K J, additional, Wagaarachchi, S L, additional, Wang, G, additional, Wang, L, additional, Welliver, B, additional, Wilson, J, additional, Wilson, K, additional, Winslow, L A, additional, Xue, M, additional, Yan, L, additional, Yang, J, additional, Yefremenko, V, additional, Yumatov, V, additional, Zarytskyy, M M, additional, Zhang, J, additional, Zolotarova, A, additional, and Zucchelli, S, additional
Published: 2021
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26. Search for double-beta decay of 106Cd

Author: Klavdiienko, V. R., primary, Belli, P., additional, Bernabei, R., additional, Caracciolo, V., additional, Cerulli, R., additional, Merlo, V., additional, Brudanin, V. B., additional, Cappella, F., additional, Incicchitti, A., additional, Danevich, F. A., additional, Kasperovych, D. V., additional, Kobychev, V. V., additional, Polischuk, O. G., additional, Tretyak, V. I., additional, and Zarytskyy, M. M., additional
Published: 2021
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27. Novel technique for the study of pileup events in cryogenic bolometers

Author: Armatol, A, Armengaud, E, Armstrong, W, Augier, C, Avignone, F, Azzolini, O, Barabash, A, Bari, G, Barresi, A, Baudin, D, Bellini, F, Benato, G, Beretta, M, Berge, L, Biassoni, M, Billard, J, Boldrini, V, Branca, A, Brofferio, C, Bucci, C, Camilleri, J, Capelli, S, Cappelli, L, Cardani, L, Carniti, P, Casali, N, Cazes, A, Celi, E, Chang, C, Chapellier, M, Charrier, A, Chiesa, D, Clemenza, M, Colantoni, I, Collamati, F, Copello, S, Cremonesi, O, Creswick, R, Cruciani, A, D'Addabbo, A, D'Imperio, G, Dafinei, I, Danevich, F, De Combarieu, M, De Jesus, M, De Marcillac, P, Dell'Oro, S, Di Domizio, S, Dompe, V, Drobizhev, A, Dumoulin, L, Fantini, G, Faverzani, M, Ferri, E, Ferri, F, Ferroni, F, Figueroa-Feliciano, E, Formaggio, J, Franceschi, A, Fu, C, Fu, S, Fujikawa, B, Gascon, J, Giachero, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Gras, P, Gros, M, Gutierrez, T, Han, K, Hansen, E, Heeger, K, Helis, D, Huang, H, Huang, R, Imbert, L, Johnston, J, Juillard, A, Karapetrov, G, Keppel, G, Khalife, H, Kobychev, V, Kolomensky, Y, Konovalov, S, Liu, Y, Loaiza, P, Ma, L, Madhukuttan, M, Mancarella, F, Mariam, R, Marini, L, Marnieros, S, Martinez, M, Maruyama, R, Mauri, B, Mayer, D, Mei, Y, Milana, S, Misiak, D, Napolitano, T, Nastasi, M, Navick, X, Nikkel, J, Nipoti, R, Nisi, S, Nones, C, Norman, E, Novosad, V, Nutini, I, O'Donnell, T, Olivieri, E, Oriol, C, Ouellet, J, Pagan, S, Pagliarone, C, Pagnanini, L, Pari, P, Pattavina, L, Paul, B, Pavan, M, Peng, H, Pessina, G, Pettinacci, V, Pira, C, Pirro, S, Poda, D, Polakovic, T, Polischuk, O, Pozzi, S, Previtali, E, Puiu, A, Ressa, A, Rizzoli, R, Rosenfeld, C, Rusconi, C, Sanglard, V, Scarpaci, J, Schmidt, B, Sharma, V, Shlegel, V, Singh, V, Sisti, M, Speller, D, Surukuchi, P, Taffarello, L, Tellier, O, Tomei, C, Tretyak, V, Tsymbaliuk, A, Velazquez, M, Vetter, K, Wagaarachchi, S, Wang, G, Wang, L, Welliver, B, Wilson, J, Wilson, K, Winslow, L, Xue, M, Yan, L, Yang, J, Yefremenko, V, Yumatov, V, Zarytskyy, M, Zhang, J, Zolotarova, A, Zucchelli, S, Armatol A., Armengaud E., Armstrong W., Augier C., Avignone F. T., Azzolini O., Barabash A., Bari G., Barresi A., Baudin D., Bellini F., Benato G., Beretta M., Berge L., Biassoni M., Billard J., Boldrini V., Branca A., Brofferio C., Bucci C., Camilleri J., Capelli S., Cappelli L., Cardani L., Carniti P., Casali N., Cazes A., Celi E., Chang C., Chapellier M., Charrier A., Chiesa D., Clemenza M., Colantoni I., Collamati F., Copello S., Cremonesi O., Creswick R. J., Cruciani A., D'Addabbo A., D'Imperio G., Dafinei I., Danevich F. A., De Combarieu M., De Jesus M., De Marcillac P., Dell'Oro S., Di Domizio S., Dompe V., Drobizhev A., Dumoulin L., Fantini G., Faverzani M., Ferri E., Ferri F., Ferroni F., Figueroa-Feliciano E., Formaggio J., Franceschi A., Fu C., Fu S., Fujikawa B. K., Gascon J., Giachero A., Gironi L., Giuliani A., Gorla P., Gotti C., Gras P., Gros M., Gutierrez T. D., Han K., Hansen E. V., Heeger K. M., Helis D. L., Huang H. Z., Huang R. G., Imbert L., Johnston J., Juillard A., Karapetrov G., Keppel G., Khalife H., Kobychev V. V., Kolomensky Y. G., Konovalov S., Liu Y., Loaiza P., Ma L., Madhukuttan M., Mancarella F., Mariam R., Marini L., Marnieros S., Martinez M., Maruyama R. H., Mauri B., Mayer D., Mei Y., Milana S., Misiak D., Napolitano T., Nastasi M., Navick X. F., Nikkel J., Nipoti R., Nisi S., Nones C., Norman E. B., Novosad V., Nutini I., O'Donnell T., Olivieri E., Oriol C., Ouellet J. L., Pagan S., Pagliarone C., Pagnanini L., Pari P., Pattavina L., Paul B., Pavan M., Peng H., Pessina G., Pettinacci V., Pira C., Pirro S., Poda D. V., Polakovic T., Polischuk O. G., Pozzi S., Previtali E., Puiu A., Ressa A., Rizzoli R., Rosenfeld C., Rusconi C., Sanglard V., Scarpaci J., Schmidt B., Sharma V., Shlegel V., Singh V., Sisti M., Speller D., Surukuchi P. T., Taffarello L., Tellier O., Tomei C., Tretyak V. I., Tsymbaliuk A., Velazquez M., Vetter K. J., Wagaarachchi S. L., Wang G., Wang L., Welliver B., Wilson J., Wilson K., Winslow L. A., Xue M., Yan L., Yang J., Yefremenko V., Yumatov V., Zarytskyy M. M., Zhang J., Zolotarova A., Zucchelli S., Armatol, A, Armengaud, E, Armstrong, W, Augier, C, Avignone, F, Azzolini, O, Barabash, A, Bari, G, Barresi, A, Baudin, D, Bellini, F, Benato, G, Beretta, M, Berge, L, Biassoni, M, Billard, J, Boldrini, V, Branca, A, Brofferio, C, Bucci, C, Camilleri, J, Capelli, S, Cappelli, L, Cardani, L, Carniti, P, Casali, N, Cazes, A, Celi, E, Chang, C, Chapellier, M, Charrier, A, Chiesa, D, Clemenza, M, Colantoni, I, Collamati, F, Copello, S, Cremonesi, O, Creswick, R, Cruciani, A, D'Addabbo, A, D'Imperio, G, Dafinei, I, Danevich, F, De Combarieu, M, De Jesus, M, De Marcillac, P, Dell'Oro, S, Di Domizio, S, Dompe, V, Drobizhev, A, Dumoulin, L, Fantini, G, Faverzani, M, Ferri, E, Ferri, F, Ferroni, F, Figueroa-Feliciano, E, Formaggio, J, Franceschi, A, Fu, C, Fu, S, Fujikawa, B, Gascon, J, Giachero, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Gras, P, Gros, M, Gutierrez, T, Han, K, Hansen, E, Heeger, K, Helis, D, Huang, H, Huang, R, Imbert, L, Johnston, J, Juillard, A, Karapetrov, G, Keppel, G, Khalife, H, Kobychev, V, Kolomensky, Y, Konovalov, S, Liu, Y, Loaiza, P, Ma, L, Madhukuttan, M, Mancarella, F, Mariam, R, Marini, L, Marnieros, S, Martinez, M, Maruyama, R, Mauri, B, Mayer, D, Mei, Y, Milana, S, Misiak, D, Napolitano, T, Nastasi, M, Navick, X, Nikkel, J, Nipoti, R, Nisi, S, Nones, C, Norman, E, Novosad, V, Nutini, I, O'Donnell, T, Olivieri, E, Oriol, C, Ouellet, J, Pagan, S, Pagliarone, C, Pagnanini, L, Pari, P, Pattavina, L, Paul, B, Pavan, M, Peng, H, Pessina, G, Pettinacci, V, Pira, C, Pirro, S, Poda, D, Polakovic, T, Polischuk, O, Pozzi, S, Previtali, E, Puiu, A, Ressa, A, Rizzoli, R, Rosenfeld, C, Rusconi, C, Sanglard, V, Scarpaci, J, Schmidt, B, Sharma, V, Shlegel, V, Singh, V, Sisti, M, Speller, D, Surukuchi, P, Taffarello, L, Tellier, O, Tomei, C, Tretyak, V, Tsymbaliuk, A, Velazquez, M, Vetter, K, Wagaarachchi, S, Wang, G, Wang, L, Welliver, B, Wilson, J, Wilson, K, Winslow, L, Xue, M, Yan, L, Yang, J, Yefremenko, V, Yumatov, V, Zarytskyy, M, Zhang, J, Zolotarova, A, Zucchelli, S, Armatol A., Armengaud E., Armstrong W., Augier C., Avignone F. T., Azzolini O., Barabash A., Bari G., Barresi A., Baudin D., Bellini F., Benato G., Beretta M., Berge L., Biassoni M., Billard J., Boldrini V., Branca A., Brofferio C., Bucci C., Camilleri J., Capelli S., Cappelli L., Cardani L., Carniti P., Casali N., Cazes A., Celi E., Chang C., Chapellier M., Charrier A., Chiesa D., Clemenza M., Colantoni I., Collamati F., Copello S., Cremonesi O., Creswick R. J., Cruciani A., D'Addabbo A., D'Imperio G., Dafinei I., Danevich F. A., De Combarieu M., De Jesus M., De Marcillac P., Dell'Oro S., Di Domizio S., Dompe V., Drobizhev A., Dumoulin L., Fantini G., Faverzani M., Ferri E., Ferri F., Ferroni F., Figueroa-Feliciano E., Formaggio J., Franceschi A., Fu C., Fu S., Fujikawa B. K., Gascon J., Giachero A., Gironi L., Giuliani A., Gorla P., Gotti C., Gras P., Gros M., Gutierrez T. D., Han K., Hansen E. V., Heeger K. M., Helis D. L., Huang H. Z., Huang R. G., Imbert L., Johnston J., Juillard A., Karapetrov G., Keppel G., Khalife H., Kobychev V. V., Kolomensky Y. G., Konovalov S., Liu Y., Loaiza P., Ma L., Madhukuttan M., Mancarella F., Mariam R., Marini L., Marnieros S., Martinez M., Maruyama R. H., Mauri B., Mayer D., Mei Y., Milana S., Misiak D., Napolitano T., Nastasi M., Navick X. F., Nikkel J., Nipoti R., Nisi S., Nones C., Norman E. B., Novosad V., Nutini I., O'Donnell T., Olivieri E., Oriol C., Ouellet J. L., Pagan S., Pagliarone C., Pagnanini L., Pari P., Pattavina L., Paul B., Pavan M., Peng H., Pessina G., Pettinacci V., Pira C., Pirro S., Poda D. V., Polakovic T., Polischuk O. G., Pozzi S., Previtali E., Puiu A., Ressa A., Rizzoli R., Rosenfeld C., Rusconi C., Sanglard V., Scarpaci J., Schmidt B., Sharma V., Shlegel V., Singh V., Sisti M., Speller D., Surukuchi P. T., Taffarello L., Tellier O., Tomei C., Tretyak V. I., Tsymbaliuk A., Velazquez M., Vetter K. J., Wagaarachchi S. L., Wang G., Wang L., Welliver B., Wilson J., Wilson K., Winslow L. A., Xue M., Yan L., Yang J., Yefremenko V., Yumatov V., Zarytskyy M. M., Zhang J., Zolotarova A., and Zucchelli S.
Abstract: Precise characterization of detector time resolution is of crucial importance for next-generation cryogenic-bolometer experiments searching for neutrinoless double-beta decay, such as CUPID, in order to reject background due to pileup of two-neutrino double-beta decay events. In this paper, we describe a technique developed to study the pileup rejection capability of cryogenic bolometers. Our approach, which consists of producing controlled pileup events with a programmable wave-form generator, has the benefit that we can reliably and reproducibly control the time separation and relative energy of the individual components of the generated pileup events. The resulting data allow us to optimize and benchmark analysis strategies to discriminate between individual and pileup pulses. We describe a test of this technique performed with a small array of detectors at the Laboratori Nazionali del Gran Sasso, in Italy; we obtain a 90% rejection efficiency against pulser-generated pileup events with rise time of ∼15ms down to time separation between the individual events of about 2ms.
Published: 2021

28. Phonon-mediated crystal detectors with metallic film coating capable of rejecting α and β events induced by surface radioactivity

Author: Bandac, I. C., primary, Barabash, A. S., additional, Bergé, L., additional, Bourgeois, Ch., additional, Calvo-Mozota, J. M., additional, Carniti, P., additional, Chapellier, M., additional, deCombarieu, M., additional, Dafinei, I., additional, Danevich, F. A., additional, Dumoulin, L., additional, Ferri, F., additional, Giuliani, A., additional, Gotti, C., additional, Gras, Ph., additional, Guerard, E., additional, Ianni, A., additional, Khalife, H., additional, Konovalov, S. I., additional, Loaiza, P., additional, Madhukuttan, M., additional, deMarcillac, P., additional, Mariam, R., additional, Marnieros, S., additional, Marrache-Kikuchi, C. A., additional, Martinez, M., additional, Nones, C., additional, Olivieri, E., additional, Pessina, G., additional, Poda, D. V., additional, Redon, Th., additional, Scarpaci, J.-A., additional, Tretyak, V. I., additional, Umatov, V. I., additional, Zarytskyy, M. M., additional, and Zolotarova, A. S., additional
Published: 2021
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29. New limit on two neutrino electron capture with positron emission in 106Cd

Author: Polischuk, O. G., primary, Belli, P., additional, Bernabei, R., additional, Brudanin, V. B., additional, Cappella, F., additional, Caracciolo, V., additional, Cerulli, R., additional, Danevich, F. A., additional, Incicchitti, A., additional, Kasperovych, D. V., additional, Kobychev, V. V., additional, Tretyak, V. I., additional, and Zarytskyy, M. M., additional
Published: 2019
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30. New limit on two neutrino electron capture with positron emission in 106Cd.

Author: Polischuk, O. G., Belli, P., Bernabei, R., Brudanin, V. B., Cappella, F., Caracciolo, V., Cerulli, R., Danevich, F. A., Incicchitti, A., Kasperovych, D. V., Kobychev, V. V., Tretyak, V. I., and Zarytskyy, M. M.
Subjects: ELECTRON capture, POSITRON emission, DOUBLE beta decay, MONTE Carlo method, RADIOACTIVE contamination, NEUTRINO interactions
Abstract: An experiment to search for double beta processes in 106Cd is in progress with the help of 106CdWO4 crystal scintillator (enriched in 106Cd to 66%) in coincidence with two large volume CdWO4 crystal scintillators in close geometry at the Gran Sasso Underground Laboratory. The time resolution of the set-up was analyzed, and the methods of pulse-shape discrimination of Î± and Î³(Î²) events was applied to estimate the radioactive contamination of the crystal and to reduce the background counting rate. The possible double beta decay processes and the background components have been simulated by a Monte Carlo method with GEANT4. The experimental sensitivity is approaching the theoretical predictions for the two-neutrino electron capture with positron emission in 106Cd: lim T1/2â‰¥4Ã—1021 yr at 90% C.L. (the best previous limit was established in the previous stage of the experiment as T1/2â‰¥1.1Ã— 1021 yr, while the theoretical predictions are in the region of T1/2âˆ¼1021âˆ’1022 yr). [ABSTRACT FROM AUTHOR]
Published: 2019
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31. Search for double beta decay in 106Cd in the DAMA/CRYS setup

Author: Belli, P., primary, Bernabei, R., additional, Brudanin, V. B., additional, Cappella, F., additional, Caracciolo, V., additional, Cerulli, R., additional, Danevich, F. A., additional, Incicchitti, A., additional, Kasperovych, D. V., additional, Kobychev, V. V., additional, Mokina, V. M., additional, Polischuk, O. G., additional, Tretyak, V. I., additional, and Zarytskyy, M. M., additional
Published: 2017
Full Text: View/download PDF

32. Search for Double Beta Decay in 106Cd in the DAMA/CRYS setup.

Author: Belli, P., Bernabei, R., Brudanin, V. B., Cappella, F., Caracciolo, V., Cerulli, R., Danevich, F. A., Incicchitti, A., Kasperovych, D. V., V.V. Kobychev, Mokina, V. M., Polischuk, O. G., Tretyak, V. I., and Zarytskyy, M. M.
Subjects: BETA decay, CADMIUM, CRYSTALS, SCINTILLATORS, NUCLEAR reactions
Abstract: An experiment to search for double beta decay in 106Cd is running in the DAMA/CRYS set-up at the Gran Sasso National Laboratory of the INFN (Italy). In this experiment a 106CdWO4 crystal scintillator (215 g) enriched in 106Cd to 66%, used in previous measurements in different configurations, is now in measurement in coincidence with two large volume low background CdWO4 crystal scintillators in close geometry. This further measurement will allow us to reach a sensitivity at the level of the most sensitive double β+ experiments (T1/2 1020-1022 yr) and to explore the region of the theoretical expectations for some decay modes. [ABSTRACT FROM AUTHOR]
Published: 2017
Full Text: View/download PDF

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32 results on '"Zarytskyy, M. M."'

1. Development of large-volume $^{130}$TeO$_2$ bolometers for the CROSS $2\beta$ decay search experiment

2. A novel mechanical design of a bolometric array for the CROSS double-beta decay experiment

3. BINGO innovative assembly for background reduction in bolometric $0\nu\beta\beta$ experiments

4. Test of $^{116}$CdWO$_4$ and Li$_2$MoO$_4$ scintillating bolometers in the CROSS underground facility with upgraded detector suspension

5. Li$_2$$^{100\textrm{depl}}$MoO$_4$ Scintillating Bolometers for Rare-Event Search Experiments

6. A first test of CUPID prototypal light detectors with NTD-Ge sensors in a pulse-tube cryostat

7. Twelve-crystal prototype of Li$_2$MoO$_4$ scintillating bolometers for CUPID and CROSS experiments

8. First cryogenic tests on BINGO innovations

9. Toward CUPID-1T

10. Optimization of the first CUPID detector module

11. Phonon-mediated crystal detectors with metallic film coating capable of rejecting $\alpha$ and $\beta$ events induced by surface radioactivity

12. A CUPID Li$_{2}$$^{100}$MoO$_4$ scintillating bolometer tested in the CROSS underground facility

13. Characterization of cubic Li$_{2}$$^{100}$MoO$_4$ crystals for the CUPID experiment

14. Novel technique for the study of pile-up events in cryogenic bolometers

15. Search for double beta decay of $^{106}$Cd with an enriched $^{106}$CdWO$_4$ crystal scintillator in coincidence with CdWO$_4$ scintillation counters

16. Pulse Shape Discrimination in CUPID-Mo using Principal Component Analysis

17. Machine Learning Techniques for Pile-Up Rejection in Cryogenic Calorimeters

18. CUPID: The Next-Generation Neutrinoless Double Beta Decay Experiment

19. Optimization of the first CUPID detector module

20. Characterization of cubic Li2100421004MoO21004 crystals for the CUPID experiment

21. Optimization of the first CUPID detector module

22. Machine Learning Techniques for Pile-Up Rejection in Cryogenic Calorimeters

23. The European Physical Journal C

24. Optimization of a single module of CUPID

25. Searching for New Physics in two-neutrino double beta decay with CUPID

26. Search for double-beta decay of 106Cd

27. Novel technique for the study of pileup events in cryogenic bolometers

28. Phonon-mediated crystal detectors with metallic film coating capable of rejecting α and β events induced by surface radioactivity

29. New limit on two neutrino electron capture with positron emission in 106Cd

30. New limit on two neutrino electron capture with positron emission in 106Cd.

31. Search for double beta decay in 106Cd in the DAMA/CRYS setup

32. Search for Double Beta Decay in 106Cd in the DAMA/CRYS setup.

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32 results on '"Zarytskyy, M. M."'

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