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129 results on '"De Combarieu, M."'

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

Author

Fantini, G, Armatol, A, Armengaud, E, Armstrong, W, Augier, C, Avignone, FT, 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, RJ, Cruciani, A, D’Addabbo, A, D’Imperio, G, Dafinei, I, Danevich, FA, 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, BK, Gascon, J, Giachero, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Gras, P, Gros, M, Gutierrez, TD, Han, K, Hansen, EV, Heeger, KM, Helis, DL, Huang, HZ, Huang, RG, Imbert, L, Johnston, J, Juillard, A, Karapetrov, G, Keppel, G, Khalife, H, Kobychev, VV, Kolomensky, Yu G, Konovalov, S, Liu, Y, Loaiza, P, Ma, L, Madhukuttan, M, Mancarella, F, Mariam, R, Marini, L, Marnieros, S, Martinez, M, Maruyama, RH, Mauri, B, and Mayer, D

Subjects
Convolutional neural networks, Machine learning, Cryogenic calorimeters, CUPID, Neutrinoless double beta decay, Majorana, Pile-up, Mathematical Physics, Classical Physics, Condensed Matter Physics, General Physics
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

2. 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

3. Wall conditions in WEST during operations with a new ITER grade, actively cooled divertor

Author

Gallo, A., Moreau, Ph., Douai, D., Alarcon, T., Afonin, K., Anzallo, V., Bisson, R., Bucalossi, J., Caprin, E., Corre, Y., De Combarieu, M., Desgranges, C., Devynck, P., Ekedahl, A., Fedorczak, N., Gaspar, J., Grosjean, A., Guillemaut, C., Guirlet, R., Gunn, J.P., Hillairet, J., Loarer, T., Maget, P., Manas, P., Morales, J., Pellissier, F.P., Tsitrone, E., Krieger, K., Hakola, A., and Widdowson, A.

Published
2024
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4. 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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5. Optimization of a single module of CUPID

Author

Ressa, Alberto, Armatol, A, Armengaud, E, Armstrong, W, Augier, C, Avignone, FT, 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, A, Chapellier, M, Charrier, A, Chiesa, D, Clemenza, M, Colantoni, I, Collamati, F, Copello, S, Cremonesi, O, Creswick, RJ, Cruciani, A, Addabbo, A D’, Imperio, G D’, Dafinei, I, Danevich, FA, 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, BK, Gascon, J, Giachero, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Gras, P, Gros, M, Gutierrez, TD, Han, K, Hansen, EV, Heeger, KM, Helis, BL, Huang, HZ, Huang, RG, Imbert, L, Johnston, J, Juillard, A, Karapetrov, G, Keppel, G, Khalife, H, Kobychev, VV, Kolomensky, Yu G, Konovalov, S, Liu, Y, Loaiza, P, Ma, L, Madhukuttan, M, Mancarella, F, Mariam, R, Marini, L, Marnieros, S, Martinez, M, Maruyama, RH, Mauri, B, Mayer, D, and Mei, Y

Subjects
Atomic, Molecular, Nuclear, Particle and Plasma Physics, Condensed Matter Physics, Other Physical Sciences
Abstract

CUPID is the next generation experiment which will use scintillating cryogenic calorimeters to search for the neutrinoless double β decay. This unobserved process would shed light on the nature of the neutrino, which up to our knowledge could be a Majorana or a Dirac particle, and would give us an important hint to explain the lack of antimatter in the universe. This ambitious search needs a detector with unique characteristics such as an extremely low background level and an excellent energy resolution. CUPID is now in advanced R&D state to optimize the detector design in order to completely exploit the potentialities of scintillating cryogenic calorimeters. In the following I will describe the test performed at the LNGS (Laboratori Nazionali del Gran Sasso) of a single module of the future CUPID detector. In this contribution we present the performance obtained with a novel assembly concept, proving that it matches the requirements for CUPID.

Published
2021

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

Author

Armatol, A, Armengaud, E, Armstrong, W, Augier, C, Avignone, FT, 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, RJ, Cruciani, A, Addabbo, A D’, Imperio, G D’, Dafinei, I, Danevich, FA, 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, BK, Gascon, J, Ghislandi, S, Giachero, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Gras, P, Gros, M, Gutierrez, TD, Han, K, Hansen, EV, Heeger, KM, Helis, DL, Huang, HZ, Huang, RG, Imbert, L, Johnston, J, Juillard, A, Karapetrov, G, Keppel, G, Khalife, H, Kobychev, VV, Kotila, J, Kolomensky, Yu G, Konovalov, S, Liu, Y, Loaiza, P, Ma, L, Madhukuttan, M, Mancarella, F, Mariam, R, Marini, L, Marnieros, S, Martinez, M, Maruyama, RH, Mauri, B, and Mayer, D

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Condensed Matter Physics, Other Physical Sciences, Physical sciences
Abstract

In the past few years, attention has been drawn to the fact that a precision analysis of two-neutrino double beta decay (2νββ) allows the study of interesting physics cases like the emission of Majoron bosons and possible Lorentz symmetry violation. These processes modify the summed-energy distribution of the two electrons emitted in 2νββ. CUPID is a next-generation experiment aiming to exploit 100Mo-enriched scintillating Li2MoO4 crystals, operating as cryogenic calorimeters. Given the relatively fast half-life of 100Mo 2νββ and the large exposure that can be reached by CUPID, we expect to measure with very high precision the 100Mo 2νββ spectrum shape, reaching great sensitivities in the search for distortions induced by the physics beyond the Standard Model. In this contribution, we present the CUPID exclusion sensitivity for such New Physics processes, as well as the preliminary projected background of CUPID.

Published
2021

7. 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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8. 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

9. New Limit for Neutrinoless Double-Beta Decay of $^{100}$Mo from the CUPID-Mo Experiment

Author

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., Chiesa, D., 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., Huang, R., Johnston, J., Juillard, A., Khalife, H., Kleifges, M., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S. I., Leder, A., Loaiza, P., Ma, L., Makarov, E. P., de Marcillac, P., Mariam, R., Marini, L., Marnieros, S., Misiak, D., Navick, X. -F., Nones, C., Norman, E. B., Novati, V., 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., Pozzi, S., Previtali, E., Redon, Th., Rojas, A., 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., Welliver, B., Winslow, L., Xue, M., Yakushev, E., Zarytskyy, M., and Zolotarova, A. S.

Subjects
Nuclear Experiment
Abstract

The CUPID-Mo experiment at the Laboratoire Souterrain de Modane (France) is a demonstrator for CUPID, the next-generation ton-scale cryogenic $0\nu\beta\beta$ experiment. It consists of a 4.2 kg array of 20 enriched Li$_{2}$$^{100}$MoO$_4$ scintillating bolometers to search for the lepton number violating process of $0\nu\beta\beta$ decay in $^{100}$Mo. With more than one year of operation (2.16 kg$\times$yr of physics data), no event in the region of interest and hence no evidence for $0\nu\beta\beta$ is observed. We report a new limit on the half-life of $0\nu\beta\beta$ decay in $^{100}$Mo of $T_{1/2} > 1.5 \times 10^{24}\,$yr at 90 % C.I. The limit corresponds to an effective Majorana neutrino mass $\langle m_{\beta\beta} \rangle$ $<$ (0.31--0.54)$\,$eV, dependent on the nuclear matrix element in the light Majorana neutrino exchange interpretation.

Published
2020
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10. 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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11. 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
Full Text
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12. Novel technique for the study of pileup events in cryogenic bolometers

Author

Armatol, A, Armengaud, E, Armstrong, W, Augier, C, Avignone, FT, 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, RJ, Cruciani, A, D'Addabbo, A, D'Imperio, G, Dafinei, I, Danevich, FA, 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, BK, Gascon, J, Giachero, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Gras, P, Gros, M, Gutierrez, TD, Han, K, Hansen, EV, Heeger, KM, Helis, DL, Huang, HZ, Huang, RG, Imbert, L, Johnston, J, Juillard, A, Karapetrov, G, Keppel, G, Khalife, H, Kobychev, VV, Kolomensky, Yu G, Konovalov, S, Liu, Y, Loaiza, P, Ma, L, Madhukuttan, M, Mancarella, F, Mariam, R, Marini, L, Marnieros, S, Martinez, M, Maruyama, RH, Mauri, B, Mayer, D, Mei, Y, and Milana, S

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, Nuclear and plasma physics
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

13. Precise measurement of $2\nu\beta\beta$ decay of $^{100}$Mo with the CUPID-Mo detection technology

Author

Armengaud, E., Augier, C., Barabash, A. S., Bellini, F., Benato, G., Benoît, A., Beretta, M., Bergé, L., Billard, J., Borovlev, Yu. A., Bourgeois, Ch., Briere, M., Brudanin, V., Camus, P., Cardani, L., Casali, N., Cazes, A., Chapellier, M., Charlieux, F., de Combarieu, M., Dafinei, I., Danevich, F. A., De Jesus, M., Dumoulin, L., Eitel, K., Elkhoury, E., Ferri, F., Fujikawa, B. K., Gascon, J., Gironi, L., Giuliani, A., Grigorieva, V. D., Gros, M., Guerard, E., Helis, D. L., Huang, H. Z., Huang, R., Johnston, J., Juillard, A., Khalife, H., Kleifges, M., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S. I., Leder, A., Kotila, J., Loaiza, P., Ma, L., Makarov, E. P., de Marcillac, P., Marini, L., Marnieros, S., Misiak, D., Navick, X-F., Nones, C., Novati, V., 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., 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., and Zolotarova, A. S.

Subjects
Nuclear Experiment, Physics - Instrumentation and Detectors
Abstract

We report the measurement of the two-neutrino double-beta ($2\nu\beta\beta$) decay of $^{100}$Mo to the ground state of $^{100}$Ru using lithium molybdate (\crystal) scintillating bolometers. The detectors were developed for the CUPID-Mo program and operated at the EDELWEISS-III low background facility in the Modane underground laboratory. From a total exposure of $42.235$ kg$\times$d, the half-life of $^{100}$Mo is determined to be $T_{1/2}^{2\nu}=[7.12^{+0.18}_{-0.14}\,\mathrm{(stat.)}\pm0.10\,\mathrm{(syst.)}]\times10^{18}$ years. This is the most accurate determination of the $2\nu\beta\beta$ half-life of $^{100}$Mo to date. We also confirm, with the statistical significance of $>3\sigma$, that the single-state dominance model of the $2\nu\beta\beta$ decay of $^{100}$Mo is favored over the high-state dominance model., Comment: 11 pages, 6 figures, 4 tables

Published
2019
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14. New Limit for Neutrinoless Double-Beta Decay of Mo100 from the CUPID-Mo Experiment

Author

Armengaud, E, Augier, C, Barabash, AS, Bellini, F, Benato, G, Benoît, A, Beretta, M, Bergé, L, Billard, J, Borovlev, Yu A, Bourgeois, Ch, Brudanin, VB, Camus, P, Cardani, L, Casali, N, Cazes, A, Chapellier, M, Charlieux, F, Chiesa, D, de Combarieu, M, Dafinei, I, Danevich, FA, De Jesus, M, Dixon, T, Dumoulin, L, Eitel, K, Ferri, F, Fujikawa, BK, Gascon, J, Gironi, L, Giuliani, A, Grigorieva, VD, Gros, M, Guerard, E, Helis, DL, Huang, HZ, Huang, R, Johnston, J, Juillard, A, Khalife, H, Kleifges, M, Kobychev, VV, Kolomensky, Yu G, Konovalov, SI, Leder, A, Loaiza, P, Ma, L, Makarov, EP, de Marcillac, P, Mariam, R, Marini, L, Marnieros, S, Misiak, D, Navick, X-F, Nones, C, Norman, EB, Novati, V, Olivieri, E, Ouellet, JL, Pagnanini, L, Pari, P, Pattavina, L, Paul, B, Pavan, M, Peng, H, Pessina, G, Pirro, S, Poda, DV, Polischuk, OG, Pozzi, S, Previtali, E, Redon, Th, Rojas, A, Rozov, S, Rusconi, C, Sanglard, V, Scarpaci, JA, Schäffner, K, Schmidt, B, Shen, Y, Shlegel, VN, Siebenborn, B, Singh, V, Tomei, C, Tretyak, VI, Umatov, VI, Vagneron, L, Velázquez, M, Welliver, B, Winslow, L, Xue, M, Yakushev, E, Zarytskyy, M, and Zolotarova, AS

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, CUPID-Mo Collaboration, nucl-ex, Mathematical Sciences, Engineering, General Physics, Mathematical sciences, Physical sciences
Abstract

The CUPID-Mo experiment at the Laboratoire Souterrain de Modane (France) is a demonstrator for CUPID, the next-generation ton-scale bolometric 0νββ experiment. It consists of a 4.2 kg array of 20 enriched Li_{2}^{100}MoO_{4} scintillating bolometers to search for the lepton-number-violating process of 0νββ decay in ^{100}Mo. With more than one year of operation (^{100}Mo exposure of 1.17  kg×yr for physics data), no event in the region of interest and, hence, no evidence for 0νββ is observed. We report a new limit on the half-life of 0νββ decay in ^{100}Mo of T_{1/2}>1.5×10^{24}  yr at 90% C.I. The limit corresponds to an effective Majorana neutrino mass ⟨m_{ββ}⟩

Published
2021

15. New Limit for Neutrinoless Double-Beta Decay of ^{100}Mo from the CUPID-Mo Experiment.

Author

Armengaud, E, Augier, C, Barabash, AS, Bellini, F, Benato, G, Benoît, A, Beretta, M, Bergé, L, Billard, J, Borovlev, Yu A, Bourgeois, Ch, Brudanin, VB, Camus, P, Cardani, L, Casali, N, Cazes, A, Chapellier, M, Charlieux, F, Chiesa, D, de Combarieu, M, Dafinei, I, Danevich, FA, De Jesus, M, Dixon, T, Dumoulin, L, Eitel, K, Ferri, F, Fujikawa, BK, Gascon, J, Gironi, L, Giuliani, A, Grigorieva, VD, Gros, M, Guerard, E, Helis, DL, Huang, HZ, Huang, R, Johnston, J, Juillard, A, Khalife, H, Kleifges, M, Kobychev, VV, Kolomensky, Yu G, Konovalov, SI, Leder, A, Loaiza, P, Ma, L, Makarov, EP, de Marcillac, P, Mariam, R, Marini, L, Marnieros, S, Misiak, D, Navick, X-F, Nones, C, Norman, EB, Novati, V, Olivieri, E, Ouellet, JL, Pagnanini, L, Pari, P, Pattavina, L, Paul, B, Pavan, M, Peng, H, Pessina, G, Pirro, S, Poda, DV, Polischuk, OG, Pozzi, S, Previtali, E, Redon, Th, Rojas, A, Rozov, S, Rusconi, C, Sanglard, V, Scarpaci, JA, Schäffner, K, Schmidt, B, Shen, Y, Shlegel, VN, Siebenborn, B, Singh, V, Tomei, C, Tretyak, VI, Umatov, VI, Vagneron, L, Velázquez, M, Welliver, B, Winslow, L, Xue, M, Yakushev, E, Zarytskyy, M, Zolotarova, AS, and CUPID-Mo Collaboration

Subjects
CUPID-Mo Collaboration, nucl-ex, General Physics, Mathematical Sciences, Physical Sciences, Engineering
Abstract

The CUPID-Mo experiment at the Laboratoire Souterrain de Modane (France) is a demonstrator for CUPID, the next-generation ton-scale bolometric 0νββ experiment. It consists of a 4.2 kg array of 20 enriched Li_{2}^{100}MoO_{4} scintillating bolometers to search for the lepton-number-violating process of 0νββ decay in ^{100}Mo. With more than one year of operation (^{100}Mo exposure of 1.17  kg×yr for physics data), no event in the region of interest and, hence, no evidence for 0νββ is observed. We report a new limit on the half-life of 0νββ decay in ^{100}Mo of T_{1/2}>1.5×10^{24}  yr at 90% C.I. The limit corresponds to an effective Majorana neutrino mass ⟨m_{ββ}⟩

Published
2021

16. Pulse shape discrimination in CUPID-Mo using principal component analysis

Author

Huang, R, Armengaud, E, Augier, C, Barabash, AS, Bellini, F, Benato, G, Beno t, A, Beretta, M, Bergé, L, Billard, J, Borovlev, YA, Bourgeois, C, Brudanin, VB, Camus, P, Cardani, L, Casali, N, Cazes, A, Chapellier, M, Charlieux, F, De Combarieu, M, Dafinei, I, Danevich, FA, De Jesus, M, Dixon, T, Dumoulin, L, Eitel, K, Ferri, F, Fujikawa, BK, Gascon, J, Gironi, L, Giuliani, A, Grigorieva, VD, Gros, M, Guerard, E, Helis, DL, Huang, HZ, Johnston, J, Juillard, A, Khalife, H, Kleifges, M, Kobychev, VV, Kolomensky, YG, Konovalov, SI, Loaiza, P, Ma, L, Makarov, EP, De Marcillac, P, Mariam, R, Marini, L, Marnieros, S, Misiak, D, Navick, XF, Nones, C, Norman, EB, Olivieri, E, Ouellet, JL, Pagnanini, L, Pari, P, Pattavina, L, Paul, B, Pavan, M, Peng, H, Pessina, G, Pirro, S, Poda, DV, Polischuk, OG, Previtali, E, Redon, T, Rozov, S, Rusconi, C, Sanglard, V, Scarpaci, JA, Sch ffner, K, Schmidt, B, Shen, Y, Shlegel, VN, Siebenborn, B, Singh, V, Tomei, C, Tretyak, VI, Umatov, VI, Vagneron, L, Velázquez, M, Weber, M, Welliver, B, Winslow, L, Xue, M, Yakushev, E, Zarytskyy, MM, and Zolotarova, AS

Subjects
Analysis and statistical methods, Calorimeters, Data processing methods, Double-beta decay detectors, physics.data-an, nucl-ex, physics.ins-det, Nuclear & Particles Physics, Physical Sciences, Engineering
Abstract

CUPID-Mo is a cryogenic detector array designed to search for neutrinoless double-beta decay (0νββ) of 100Mo. It uses 20 scintillating 100Mo-enriched Li2MoO4 bolometers instrumented with Ge light detectors to perform active suppression of α backgrounds, drastically reducing the expected background in the 0νββ 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
2021

17. A CUPID (Li2MoO4)-Mo-100 scintillating bolometer tested in the CROSS underground facility

Author

Armatol, A, Armengaud, E, Armstrong, W, Augier, C, III, Avignone FT, Azzolini, O, Bandac, IC, Barabash, AS, Bari, G, Barresi, A, Baudin, D, Bellini, F, Benato, G, Beretta, M, Berge, L, Bourgeois, Ch, Biassoni, M, Billard, J, Boldrini, V, Branca, A, Brofferio, C, Bucci, C, Calvo-Mozota, JM, 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, Cremonesi, O, Creswick, RJ, Cruciani, A, D'Addabbo, A, D'Imperio, G, Dafinei, I, Danevich, FA, 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, Faverzani, M, Ferri, E, Ferri, F, Ferroni, F, Figueroa-Feliciano, E, Formaggio, J, Franceschi, A, Fu, C, Fu, S, Fujikawa, BK, Gascon, J, Giachero, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Gras, P, Gros, M, Guerard, E, Gutierrez, TD, Han, K, Hansen, EV, Heeger, KM, Helis, DL, Huang, HZ, Huang, RG, Ianni, A, Imbert, L, Johnston, J, Juillard, A, Karapetrov, G, Keppel, G, Khalife, H, Kobychev, VV, Kolomensky, Yu G, Konovalov, SI, Liu, Y, Loaiza, P, Ma, L, Madhukuttan, M, Mancarella, F, Mariam, R, and Marini, L

Subjects
Cryogenic detectors, Double-beta decay detectors, Particle identification methods, Scintillators, scintillation and light emission processes, physics.ins-det, Physical Sciences, Engineering, Nuclear & Particles Physics
Abstract

A scintillating bolometer based on a large cubic Li$_{2}$$^{100}$MoO$_4$crystal (45 mm side) and a Ge wafer (scintillation detector) has been operatedin the CROSS cryogenic facility at the Canfranc underground laboratory inSpain. The dual-readout detector is a prototype of the technology that will beused in the next-generation $0\nu2\beta$ experiment CUPID. The measurementswere performed at 18 and 12 mK temperature in a pulse tube dilutionrefrigerator. This setup utilizes the same technology as the CUORE cryostatthat will host CUPID and so represents an accurate estimation of the expectedperformance. The Li$_{2}$$^{100}$MoO$_4$ bolometer shows a high energyresolution of 6 keV FWHM at the 2615 keV $\gamma$ line. The detection ofscintillation 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 $^{226}$Raactivities of less than 3 and 8 $\mu$Bq/kg, respectively. Taking also intoaccount the advantage of a more compact and massive detector array, which canbe made of cubic-shaped crystals (compared to the cylindrical ones), this testdemonstrates the great potential of cubic Li$_{2}$$^{100}$MoO$_4$ scintillatingbolometers for high-sensitivity searches for the $^{100}$Mo $0\nu2\beta$ decayin CROSS and CUPID projects.

Published
2021

18. A CUPID Li2100MoO4 scintillating bolometer tested in the CROSS underground facility

Author

Armatol, A, Armengaud, E, Armstrong, W, Augier, C, Avignone, FT, Azzolini, O, Bandac, IC, Barabash, AS, 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, JM, 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, Cremonesi, O, Creswick, RJ, Cruciani, A, D'Addabbo, A, D'Imperio, G, Dafinei, I, Danevich, FA, 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, Faverzani, M, Ferri, E, Ferri, F, Ferroni, F, Figueroa-Feliciano, E, Formaggio, J, Franceschi, A, Fu, C, Fu, S, Fujikawa, BK, Gascon, J, Giachero, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Gras, P, Gros, M, Guerard, E, Gutierrez, TD, Han, K, Hansen, EV, Heeger, KM, Helis, DL, Huang, HZ, Huang, RG, Ianni, A, Imbert, L, Johnston, J, Juillard, A, Karapetrov, G, Keppel, G, Khalife, H, Kobychev, VV, Kolomensky, Yu G, Konovalov, SI, Liu, Y, Loaiza, P, Ma, L, Madhukuttan, M, Mancarella, F, Mariam, R, and Marini, L

Subjects
Nuclear and Plasma Physics, Synchrotrons and Accelerators, Physical Sciences, Cryogenic detectors, Double-beta decay detectors, Particle identification methods, Scintillators, scintillation and light emission processes, physics.ins-det, Engineering, Nuclear & Particles Physics, Physical sciences
Abstract

A scintillating bolometer based on a large cubic Li$_{2}$$^{100}$MoO$_4$crystal (45 mm side) and a Ge wafer (scintillation detector) has been operatedin the CROSS cryogenic facility at the Canfranc underground laboratory inSpain. The dual-readout detector is a prototype of the technology that will beused in the next-generation $0u2\beta$ experiment CUPID. The measurementswere performed at 18 and 12 mK temperature in a pulse tube dilutionrefrigerator. This setup utilizes the same technology as the CUORE cryostatthat will host CUPID and so represents an accurate estimation of the expectedperformance. The Li$_{2}$$^{100}$MoO$_4$ bolometer shows a high energyresolution of 6 keV FWHM at the 2615 keV $\gamma$ line. The detection ofscintillation 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 $^{226}$Raactivities of less than 3 and 8 $\mu$Bq/kg, respectively. Taking also intoaccount the advantage of a more compact and massive detector array, which canbe made of cubic-shaped crystals (compared to the cylindrical ones), this testdemonstrates the great potential of cubic Li$_{2}$$^{100}$MoO$_4$ scintillatingbolometers for high-sensitivity searches for the $^{100}$Mo $0u2\beta$ decayin CROSS and CUPID projects.

Published
2021

19. A CUPID Li2100MoO4scintillating bolometer tested in the CROSS underground facility

Author

Armatol, A, Armengaud, E, Armstrong, W, Augier, C, Iii, FTA, Azzolini, O, Bandac, IC, Barabash, AS, Bari, G, Barresi, A, Baudin, D, Bellini, F, Benato, G, Beretta, M, Bergé, L, Bourgeois, C, Biassoni, M, Billard, J, Boldrini, V, Branca, A, Brofferio, C, Bucci, C, Calvo-Mozota, JM, 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, Cremonesi, O, Creswick, RJ, Cruciani, A, D'Addabbo, A, D'Imperio, G, Dafinei, I, Danevich, FA, De Combarieu, M, Deo, MD, Jesus, MD, De Marcillac, P, Dell'Oro, S, Domizio, SD, 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, BK, Gascon, J, Giachero, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Gras, P, Gros, M, Guerard, E, Gutierrez, TD, Han, K, Hansen, EV, Heeger, KM, Helis, DL, Huang, HZ, Huang, RG, Ianni, A, Imbert, L, Johnston, J, Juillard, A, Karapetrov, G, Keppel, G, Khalife, H, Kobychev, VV, Kolomensky, YG, Konovalov, SI, Liu, Y, Loaiza, P, Ma, L, Madhukuttan, M, Mancarella, F, Mariam, R, and Marini, L

Subjects
Physical Sciences, Engineering, Nuclear & Particles Physics, Physical sciences
Abstract

A scintillating bolometer based on a large cubic Li2100MoO4 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 0ν2β 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 Li2100MoO4 bolometer shows a high energy resolution of 6 keV FWHM at the 2615 keV γ line. The detection of scintillation light for each event triggered by the Li2100MoO4 bolometer allowed for a full separation (∼8σ) between γ(β) and α events above 2 MeV . The Li2100MoO4 crystal also shows a high internal radiopurity with 228Th and 226Ra activities of less than 3 and 8 μBq/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 Li2100MoO4 scintillating bolometers for high-sensitivity searches for the 100Mo 0ν2β decay in CROSS and CUPID projects.

Published
2021

20. Characterization of cubic Li2100MoO4 crystals for the CUPID experiment

Author

Armatol, A, Armengaud, E, Armstrong, W, Augier, C, Avignone, FT, 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, BK, Gascon, J, Giachero, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Gras, P, Gros, M, Gutierrez, TD, Han, K, Hansen, EV, Heeger, KM, Helis, DL, Huang, HZ, Huang, RG, Imbert, L, Johnston, J, Juillard, A, Karapetrov, G, Keppel, G, Khalife, H, Kobychev, VV, Kolomensky, Yu G, Konovalov, S, Liu, Y, Loaiza, P, Ma, L, Madhukuttan, M, Mancarella, F, Mariam, R, Marini, L, Marnieros, S, Martinez, M, Maruyama, RH, Mauri, B, Mayer, D, Mei, Y, and Milana, S

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Synchrotrons and Accelerators, Physical Sciences, physics.ins-det, nucl-ex, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics, Astronomical sciences, Atomic, molecular and optical physics, Particle and high energy physics
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 Li2100MoO4 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 ± 0.6) keV FWHM in the region of interest, approaching the CUPID target of 5 keV FWHM. We assessed the identification of α 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 α-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
2021

21. Characterization of cubic Li 2100 MoO 4 crystals for the CUPID experiment

Author

Armatol, A, Armengaud, E, Armstrong, W, Augier, C, Avignone, FT, 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, BK, Gascon, J, Giachero, A, Gironi, L, Giuliani, A, Gorla, P, Gotti, C, Gras, P, Gros, M, Gutierrez, TD, Han, K, Hansen, EV, Heeger, KM, Helis, DL, Huang, HZ, Huang, RG, Imbert, L, Johnston, J, Juillard, A, Karapetrov, G, Keppel, G, Khalife, H, Kobychev, VV, Kolomensky, YG, Konovalov, S, Liu, Y, Loaiza, P, Ma, L, Madhukuttan, M, Mancarella, F, Mariam, R, Marini, L, Marnieros, S, Martinez, M, Maruyama, RH, Mauri, B, Mayer, D, Mei, Y, and Milana, S

Subjects
physics.ins-det, nucl-ex, Nuclear & Particles Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics
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 Li2100MoO4 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 ± 0.6) keV FWHM in the region of interest, approaching the CUPID target of 5 keV FWHM. We assessed the identification of α 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 α-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
2021

22. First data from the CUPID-Mo neutrinoless double beta decay experiment

Author

Schmidt, B., Armengaud, E., Augier, C., Barabash, A. S., Bellini, F., Benato, G., Benoît, A., Beretta, M., Bergé, L., Billard, J., Borovlev, Yu. A., Bourgeois, Ch., Briere, M., 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., Dumoulin, L., Eitel, K., Elkhoury, E., Ferri, F., Fujikawa, B. K., Gascon, J., Gironi, L., Giuliani, A., Grigorieva, V. D., Gros, M., Guerard, E., Helis, D. L., Huang, H. Z., Huang, R., Johnston, J., Juillard, A., Khalife, H., Kleifges, M., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S. I., Leder, A., Loaiza, P., Ma, L., Makarov, E. P., de Marcillac, P., Marini, L., Marnieros, S., Misiak, D., Navick, X. -F., Nones, C., Novati, V., 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., Schäffner, K., Shen, Y., Shlegel, V. N., Siebenborn, B., Singh, V., Sorbino, S., Tomei, C., Tretyak, V. I., Umatov, V. I., Vagneron, L., Velázquez, M., Weber, M., Welliver, B., Winslow, L., Xue, M., Yakushev, E., and Zolotarova, A. S.

Subjects
High Energy Physics - Experiment, Nuclear Experiment, Physics - Instrumentation and Detectors
Abstract

The CUPID-Mo experiment is searching for neutrinoless double beta decay in $^{100}$Mo, evaluating the technology of cryogenic scintillating Li$_{2}^{100}$MoO$_4$ detectors for CUPID (CUORE Upgrade with Particle ID). CUPID-Mo detectors feature background suppression using a dual-readout scheme with Li$_{2}$MoO$_4$ crystals complemented by Ge bolometers for light detection. The detection of both heat and scintillation light signals allows the efficient discrimination of $\alpha$ from $\gamma$&$\beta$ events. In this proceedings, we discuss results from the first 2 months of data taking in spring 2019. In addition to an excellent bolometric performance of 6.7$\,$keV (FWHM) at 2615$\,$keV and an $\alpha$ separation of better than 99.9\% for all detectors, we report on bulk radiopurity for Th and U. Finally, we interpret the accumulated physics data in terms of a limit of $T_{1/2}^{0\nu}\,> 3\times10^{23}\,$yr for $^{100}$Mo and discuss the sensitivity of CUPID-Mo until the expected end of physics data taking in early 2020., Comment: Proceedings for TAUP 2019, submitted to IOP Journal of Physics: Conference Series

Published
2019
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23. The CUPID-Mo experiment for neutrinoless double-beta decay: performance and prospects

Author

Armengaud, E., Augier, C., Barabash, A. S., Bellini, F., Benato, G., Benoît, A., Beretta, M., Bergé, L., Billard, J., Borovlev, Yu. A., Bourgeois, Ch., Briere, M., 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., Dumoulin, L., Eitel, K., Elkhoury, E., Ferri, F., Fujikawa, B. K., Gascon, J., Gironi, L., Giuliani, A., Grigorieva, V. D., Gros, M., Guerard, E., Helis, D. L., Huang, H. Z., Huang, R., Johnston, J., Juillard, A., Khalife, H., Kleifges, M., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S. I., Leder, A., Loaiza, P., Ma, L., Makarov, E. P., de Marcillac, P., Marini, L., Marnieros, S., Navick, X. -F., Nones, C., Novati, V., 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., Schäffner, K., Schmidt, B., Shen, Y., Shlegel, V. N., Siebenborn, B., Singh, V., Sorbino, S., Tomei, C., Tretyak, V. I., Umatov, V. I., Vagneron, L., Velázquez, M., Weber, M., Welliver, B., Winslow, L., Xue, M., Yakushev, E., and Zolotarova, A. S.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment, Nuclear Experiment
Abstract

CUPID-Mo is a bolometric experiment to search for neutrinoless double-beta decay ($0\nu\beta\beta$) of $^{100}$Mo. In this article, we detail the CUPID-Mo detector concept, assembly, installation in the underground laboratory in Modane in 2018, and provide results from the first datasets. The demonstrator consists of an array of 20 scintillating bolometers comprised of $^{100}$Mo-enriched 0.2 kg Li$_2$MoO$_4$ crystals. The detectors are complemented by 20 thin cryogenic Ge bolometers acting as light detectors to distinguish $\alpha$ from $\gamma$/$\beta$ events by the detection of both heat and scintillation light signals. We observe good detector uniformity, facilitating the operation of a large detector array as well as excellent energy resolution of 5.3 keV (6.5 keV) FWHM at 2615 keV, in calibration (physics) data. Based on the observed energy resolutions and light yields a separation of $\alpha$ particles at much better than 99.9\% with equally high acceptance for $\gamma$/$\beta$ events is expected for events in the region of interest for $^{100}$Mo $0\nu\beta\beta$. We present limits on the crystals' radiopurity ($\leq$3 $\mu$Bq/kg of $^{226}$Ra and $\leq$2 $\mu$Bq/kg of $^{232}$Th). Based on these initial results we also discuss a sensitivity study for the science reach of the CUPID-Mo experiment, in particular, the ability to set the most stringent half-life limit on the $^{100}$Mo $0\nu\beta\beta$ decay after half a year of livetime. The achieved results show that CUPID-Mo is a successful demonstrator of the technology - developed in the framework of the LUMINEU project - selected for the CUPID experiment, a proposed follow-up of CUORE, the currently running first tonne-scale cryogenic $0\nu\beta\beta$ experiment., Comment: 15 pages, 18 figures, 3 tables; to be submitted to EPJC

Published
2019
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24. The $0\nu2\beta$-decay CROSS experiment: preliminary results and prospects

Author

Bandac, I. C., Barabash, A. S., Bergé, L., Brière, M., Bourgeois, Ch., Carniti, P., Chapellier, M., de Combarieu, M., Dafinei, I., Danevich, F. A., Dosme, N., Doullet, D., Dumoulin, L., Ferri, F., Giuliani, A., Gotti, C., Gras, Ph., Guerard, E., Ianni, A., Khalife, H., Konovalov, S. I., Legay, E., Loaiza, P., de Marcillac, P., Marnieros, S., Marrache-Kikuchi, C. A., Nones, C., Novati, V., Olivieri, E., Oriol, Ch., Pessina, G., Poda, D. V., Redon, Th., Tretyak, V. I., Umatov, V. I., Zarytsky, M. M., and Zolotarova, A. S.

Subjects
Nuclear Experiment, Physics - Instrumentation and Detectors
Abstract

Neutrinoless double-beta decay is a key process in particle physics. Its experimental investigation is the only viable method that can establish the Majorana nature of neutrinos, providing at the same time a sensitive inclusive test of lepton number violation. CROSS (Cryogenic Rare-event Observatory with Surface Sensitivity) aims at developing and testing a new bolometric technology to be applied to future large-scale experiments searching for neutrinoless double-beta decay of the promising nuclei $^{100}$Mo and $^{130}$Te. The limiting factor in large-scale bolometric searches for this rare process is the background induced by surface radioactive contamination, as shown by the results of the CUORE experiment. The basic concept of CROSS consists of rejecting this challenging background component by pulse-shape discrimination, assisted by a proper coating of the faces of the crystal containing the isotope of interest and serving as energy absorber of the bolometric detector. In this paper, we demonstrate that ultra-pure superconductive Al films deposited on the crystal surfaces act successfully as pulse-shape modifiers, both with fast and slow phonon sensors. Rejection factors higher than 99.9% of $\alpha$ surface radioactivity have been demonstrated in a series of prototypes based on crystals of Li$_2$MoO$_4$ and TeO$_2$. We have also shown that point-like energy depositions can be identified up to a distance of $\sim 1$ mm from the coated surface. The present program envisions an intermediate experiment to be installed underground in the Canfranc laboratory (Spain) in a CROSS-dedicated facility. This experiment, comprising $\sim 3\times 10^{25}$ nuclei of $^{100}$Mo, will be a general test of the CROSS technology as well as a worldwide competitive search for neutrinoless double-beta decay, with sensitivity to the effective Majorana mass down to 70 meV in the most favorable conditions.

Published
2019
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25. Precise measurement of 2 νββ decay of 100 Mo with the CUPID-Mo detection technology

Author

Armengaud, E, Augier, C, Barabash, AS, Bellini, F, Benato, G, Benoît, A, Beretta, M, Bergé, L, Billard, J, Borovlev, YA, Bourgeois, C, Briere, M, Brudanin, V, Camus, P, Cardani, L, Casali, N, Cazes, A, Chapellier, M, Charlieux, F, de Combarieu, M, Dafinei, I, Danevich, FA, De Jesus, M, Dumoulin, L, Eitel, K, Elkhoury, E, Ferri, F, Fujikawa, BK, Gascon, J, Gironi, L, Giuliani, A, Grigorieva, VD, Gros, M, Guerard, E, Helis, DL, Huang, HZ, Huang, R, Johnston, J, Juillard, A, Khalife, H, Kleifges, M, Kobychev, VV, Kolomensky, YG, Konovalov, SI, Leder, A, Kotila, J, Loaiza, P, Ma, L, Makarov, EP, de Marcillac, P, Marini, L, Marnieros, S, Misiak, D, Navick, XF, Nones, C, Novati, V, Olivieri, E, Ouellet, JL, Pagnanini, L, Pari, P, Pattavina, L, Paul, B, Pavan, M, Peng, H, Pessina, G, Pirro, S, Poda, DV, Polischuk, OG, Previtali, E, Redon, T, Rozov, S, Rusconi, C, Sanglard, V, Schäffner, K, Schmidt, B, Shen, Y, Shlegel, VN, Siebenborn, B, Singh, V, Tomei, C, Tretyak, VI, Umatov, VI, Vagneron, L, Velázquez, M, Weber, M, Welliver, B, Winslow, L, Xue, M, Yakushev, E, and Zolotarova, AS

Subjects
nucl-ex, physics.ins-det, Nuclear & Particles Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics
Abstract

We report the measurement of the two-neutrino double-beta (2 νββ) decay of 100Mo to the ground state of 100Ru using lithium molybdate (Li2100MoO4) scintillating bolometers. The detectors were developed for the CUPID-Mo program and operated at the EDELWEISS-III low background facility in the Modane underground laboratory (France). From a total exposure of 42.235 kg× day, the half-life of 100Mo is determined to be T1/22ν=[7.12-0.14+0.18(stat.)±0.10(syst.)]×1018 years. This is the most accurate determination of the 2 νββ half-life of 100Mo to date.

Published
2020

26. Precise measurement of 2νββ decay of 100Mo with the CUPID-Mo detection technology

Author

Armengaud, E, Augier, C, Barabash, AS, Bellini, F, Benato, G, Benoît, A, Beretta, M, Bergé, L, Billard, J, Borovlev, Yu A, Bourgeois, Ch, Briere, M, Brudanin, V, Camus, P, Cardani, L, Casali, N, Cazes, A, Chapellier, M, Charlieux, F, de Combarieu, M, Dafinei, I, Danevich, FA, De Jesus, M, Dumoulin, L, Eitel, K, Elkhoury, E, Ferri, F, Fujikawa, BK, Gascon, J, Gironi, L, Giuliani, A, Grigorieva, VD, Gros, M, Guerard, E, Helis, DL, Huang, HZ, Huang, R, Johnston, J, Juillard, A, Khalife, H, Kleifges, M, Kobychev, VV, Kolomensky, Yu G, Konovalov, SI, Leder, A, Kotila, J, Loaiza, P, Ma, L, Makarov, EP, de Marcillac, P, Marini, L, Marnieros, S, Misiak, D, Navick, X-F, Nones, C, Novati, V, Olivieri, E, Ouellet, JL, Pagnanini, L, Pari, P, Pattavina, L, Paul, B, Pavan, M, Peng, H, Pessina, G, Pirro, S, Poda, DV, Polischuk, OG, Previtali, E, Redon, Th, Rozov, S, Rusconi, C, Sanglard, V, Schäffner, K, Schmidt, B, Shen, Y, Shlegel, VN, Siebenborn, B, Singh, V, Tomei, C, Tretyak, VI, Umatov, VI, Vagneron, L, Velázquez, M, Weber, M, Welliver, B, Winslow, L, Xue, M, Yakushev, E, and Zolotarova, AS

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Physical Sciences, nucl-ex, physics.ins-det, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics, Astronomical sciences, Atomic, molecular and optical physics, Particle and high energy physics
Abstract

We report the measurement of the two-neutrino double-beta (2 νββ) decay of 100Mo to the ground state of 100Ru using lithium molybdate (Li2100MoO4) scintillating bolometers. The detectors were developed for the CUPID-Mo program and operated at the EDELWEISS-III low background facility in the Modane underground laboratory (France). From a total exposure of 42.235 kg× day, the half-life of 100Mo is determined to be T1/22ν=[7.12-0.14+0.18(stat.)±0.10(syst.)]×1018 years. This is the most accurate determination of the 2 νββ half-life of 100Mo to date.

Published
2020

27. The CUPID-Mo experiment for neutrinoless double-beta decay: performance and prospects

Author

Armengaud, E, Augier, C, Barabash, AS, Bellini, F, Benato, G, Benoît, A, Beretta, M, Bergé, L, Billard, J, Borovlev, Yu A, Bourgeois, Ch, Briere, M, Brudanin, VB, Camus, P, Cardani, L, Casali, N, Cazes, A, Chapellier, M, Charlieux, F, de Combarieu, M, Dafinei, I, Danevich, FA, De Jesus, M, Dumoulin, L, Eitel, K, Elkhoury, E, Ferri, F, Fujikawa, BK, Gascon, J, Gironi, L, Giuliani, A, Grigorieva, VD, Gros, M, Guerard, E, Helis, DL, Huang, HZ, Huang, R, Johnston, J, Juillard, A, Khalife, H, Kleifges, M, Kobychev, VV, Kolomensky, Yu G, Konovalov, SI, Leder, A, Loaiza, P, Ma, L, Makarov, EP, de Marcillac, P, Marini, L, Marnieros, S, Misiak, D, Navick, X-F, Nones, C, Novati, V, Olivieri, E, Ouellet, JL, Pagnanini, L, Pari, P, Pattavina, L, Paul, B, Pavan, M, Peng, H, Pessina, G, Pirro, S, Poda, DV, Polischuk, OG, Previtali, E, Redon, Th, Rozov, S, Rusconi, C, Sanglard, V, Schäffner, K, Schmidt, B, Shen, Y, Shlegel, VN, Siebenborn, B, Singh, V, Sorbino, S, Tomei, C, Tretyak, VI, Umatov, VI, Vagneron, L, Velázquez, M, Weber, M, Welliver, B, Winslow, L, Xue, M, Yakushev, E, and Zolotarova, AS

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Synchrotrons and Accelerators, Physical Sciences, physics.ins-det, hep-ex, nucl-ex, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics, Astronomical sciences, Atomic, molecular and optical physics, Particle and high energy physics
Abstract

CUPID-Mo is a bolometric experiment to search for neutrinoless double-beta decay (0 νββ) of 100Mo. In this article, we detail the CUPID-Mo detector concept, assembly and installation in the Modane underground laboratory, providing results from the first datasets. The CUPID-Mo detector consists of an array of 20 100Mo -enriched 0.2 kg Li 2MoO 4 crystals operated as scintillating bolometers at ∼20mK. The Li 2MoO 4 crystals are complemented by 20 thin Ge optical bolometers to reject α events by the simultaneous detection of heat and scintillation light. We observe a good detector uniformity and an excellent energy resolution of 5.3 keV (6.5 keV) FWHM at 2615 keV, in calibration (physics) data. Light collection ensures the rejection of α particles at a level much higher than 99.9% – with equally high acceptance for γ/β events – in the region of interest for 100Mo 0 νββ. We present limits on the crystals’ radiopurity: ≤3μBq/kg of 226Ra and ≤2μBq/kg of 232Th. We discuss the science reach of CUPID-Mo, which can set the most stringent half-life limit on the 100Mo 0 νββ decay in half-a-year’s livetime. The achieved results show that CUPID-Mo is a successful demonstrator of the technology developed by the LUMINEU project and subsequently selected for the CUPID experiment, a proposed follow-up of CUORE, the currently running first tonne-scale bolometric 0 νββ experiment.

Published
2020

28. Precise measurement of 2ν2β decay of 100Mo with Li2MoO4 low temperature detectors: Preliminary results

Author

Armengaud, E, Augier, C, Barabash, AS, Bellini, F, Beno, A, Beretta, M, Bergé, L, Besson, N, Billard, J, Borovlev, Yu A, Bourgeois, Ch, Brudanin, V, Camus, P, Cardani, L, Casali, N, Cazes, A, Chapellier, M, Charlieux, F, de Combarieu, M, Danevich, FA, Dafinei, I, De Jesus, M, Dumoulin, L, Eitel, K, Ferri, F, Fujikawa, BF, Gascon, J, Gironi, L, Giuliani, A, Grigorieva, VD, Gros, M, Guerard, E, Huang, HZ, Huang, R, Johnston, J, Juillard, A, Khalife, H, Kleifges, M, Kobychev, VV, Kolomensky, Yu G, Konovalov, SI, Leder, A, Kotila, J, Loaiza, P, Maisonobe, R, Makarov, EP, de Marcillac, P, Marnieros, S, Navick, X-F, Nones, C, Novati, V, Olivieri, E, Pagnanini, L, Pari, P, Pattavina, L, Pavan, M, Paul, B, Peng, H, Pessina, G, Pirro, S, Poda, DV, Polischuk, O, Previtali, E, Queguiner, E, Redon, T, Rozov, S, Rusconi, C, Sanglard, V, Schäffner, K, Shen, Y, Schmidt, B, Shlegel, VN, Siebenborn, B, Sorbino, S, Tomei, C, Tretyak, VI, Umatov, VI, Vagneron, L, Velázquez, M, Vignati, M, Weber, M, Winslow, L, Xue, M, Yakushev, E, and Zolotarova, AS

Subjects
Nuclear and Plasma Physics, Particle and High Energy Physics, Synchrotrons and Accelerators, Physical Sciences
Abstract

The half-life of 100Mo relatively to the 2ν2β decay to the ground state of 100Ru was measured as T1/2 = (6.99±0.15) × 1018 yr with the help of enriched in 100Mo lithium molybdate scintillating bolometers in the EDELWEISS-III low background set-up at the Modane underground laboratory. This is the most accurate value of the 2ν2β half-life of 100Mo.

Published
2019

29. Precise measurement of 2 ν 2 β decay of 100Mo with Li2MoO4 low temperature detectors: Preliminary results

Author

Armengaud, E, Augier, C, Barabash, AS, Bellini, F, Beno, A, Beretta, M, Bergé, L, Besson, N, Billard, J, Borovlev, YA, Bourgeois, C, Brudanin, V, Camus, P, Cardani, L, Casali, N, Cazes, A, Chapellier, M, Charlieux, F, De Combarieu, M, Danevich, FA, Dafinei, I, De Jesus, M, Dumoulin, L, Eitel, K, Ferri, F, Fujikawa, BF, Gascon, J, Gironi, L, Giuliani, A, Grigorieva, VD, Gros, M, Guerard, E, Huang, HZ, Huang, R, Johnston, J, Juillard, A, Khalife, H, Kleifges, M, Kobychev, VV, Kolomensky, YG, Konovalov, SI, Leder, A, Kotila, J, Loaiza, P, Maisonobe, R, Makarov, EP, De Marcillac, P, Marnieros, S, Navick, XF, Nones, C, Novati, V, Olivieri, E, Pagnanini, L, Pari, P, Pattavina, L, Pavan, M, Paul, B, Peng, H, Pessina, G, Pirro, S, Poda, DV, Polischuk, O, Previtali, E, Queguiner, E, Redon, T, Rozov, S, Rusconi, C, Sanglard, V, Schäffner, K, Shen, Y, Schmidt, B, Shlegel, VN, Siebenborn, B, Sorbino, S, Tomei, C, Tretyak, VI, Umatov, VI, Vagneron, L, Velázquez, M, Vignati, M, Weber, M, Winslow, L, Xue, M, Yakushev, E, and Zolotarova, AS

Abstract

The half-life of 100Mo relatively to the 2ν2β decay to the ground state of 100Ru was measured as T1/2 = (6.99±0.15) × 1018 yr with the help of enriched in 100Mo lithium molybdate scintillating bolometers in the EDELWEISS-III low background set-up at the Modane underground laboratory. This is the most accurate value of the 2ν2β half-life of 100Mo.

Published
2019

30. Complete event-by-event $\alpha$/$\gamma(\beta)$ separation in a full-size TeO$_2$ CUORE bolometer by Neganov-Luke-magnified light detection

Author

Bergé, L., Chapellier, M., de Combarieu, M., Dumoulin, L., Giuliani, A., Gros, M., de Marcillac, P., Marnieros, S., Nones, C., Novati, V., Olivieri, E., Paul, B., Poda, D. V., Redon, T., Siebenborn, B., Zolotarova, A. S., Armengaud, E., Augier, C., Benoît, A., Billard, J., Broniatowski, A., Camus, P., Cazes, A., Charlieux, F., De Jesus, M., Eitel, K., Foerster, N., Gascon, J., Jin, Y., Juillard, A., Kleifges, M., Kozlov, V., Kraus, H., Kudryavtsev, V. A., Sueur, H. Le, Maisonobe, R., Navick, X-F., Pari, P., Queguiner, E., Rozov, S., Sanglard, V., Vagneron, L., Weber, M., and Yakushev, E.

Subjects
Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract

In the present work, we describe the results obtained with a large ($\approx 133$ cm$^3$) TeO$_2$ bolometer, with a view to a search for neutrinoless double-beta decay ($0\nu\beta\beta$) of $^{130}$Te. We demonstrate an efficient $\alpha$ particle discrimination (99.9\%) with a high acceptance of the $0\nu\beta\beta$ signal (about 96\%), expected at $\approx 2.5$ MeV. This unprecedented result was possible thanks to the superior performance (10 eV rms baseline noise) of a Neganov-Luke-assisted germanium bolometer used to detect a tiny (70 eV) light signal from the TeO$_2$ detector, dominated by $\gamma$($\beta$)-induced Cherenkov radiation but exhibiting also a clear scintillation component. The obtained results represent a major breakthrough towards the TeO$_2$-based version of CUORE Upgrade with Particle IDentification (CUPID), a ton-scale cryogenic $0\nu\beta\beta$ experiment proposed as a follow-up to the CUORE project with particle identification. The CUORE experiment began recently a search for neutrinoless double-beta decay of $^{130}$Te with an array of 988 125-cm$^3$ TeO$_2$ bolometers. The lack of $\alpha$ discrimination in CUORE makes $\alpha$ decays at the detector surface the dominant background component, at the level of $\approx 0.01$ counts/(keV kg y) in the region of interest. We show here, for the first time with a CUORE-size bolometer and using the same technology as CUORE for the readout of both heat and light signals, that surface $\alpha$ background can be fully rejected., Comment: The second version reflects the changes made after PRC referees' comments

Published
2017
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31. Development of $^{100}$Mo-containing scintillating bolometers for a high-sensitivity neutrinoless double-beta decay search

Author

Armengaud, E., Augier, C., Barabash, A. S., Beeman, J. W., Bekker, T. B., Bellini, F., Benoît, A., Bergé, L., Bergmann, T., Billard, J., Boiko, R. S., Broniatowski, A., Brudanin, V., Camus, P., Capelli, S., Cardani, L., Casali, N., Cazes, A., Chapellier, M., Charlieux, F., Chernyak, D. M., de Combarieu, M., Coron, N., Danevich, F. A., Dafinei, I., De Jesus, M., Devoyon, L., Di Domizio, S., Dumoulin, L., Eitel, K., Enss, C., Ferroni, F., Fleischmann, A., Foerster, N., Gascon, J., Gastaldo, L., Gironi, L., Giuliani, A., Grigorieva, V. D., Gros, M., Hehn, L., Hervé, S., Humbert, V., Ivannikova, N. V., Ivanov, I. M., Jin, Y., Juillard, A., Kleifges, M., Kobychev, V. V., Konovalov, S. I., Koskas, F., Kozlov, V., Kraus, H., Kudryavtsev, V. A., Laubenstein, M., Sueur, H. Le, Loidl, M., Magnier, P., Makarov, E. P., Mancuso, M., de Marcillac, P., Marnieros, S., Marrache-Kikuchi, C., Nagorny, S., Navick, X-F., Nikolaichuk, M. O., Nones, C., Novati, V., Olivieri, E., Pagnanini, L., Pari, P., Pattavina, L., Pavan, M., Paul, B., Penichot, Y., Pessina, G., Piperno, G., Pirro, S., Plantevin, O., Poda, D. V., Queguiner, E., Redon, T., Rodrigues, M., Rozov, S., Rusconi, C., Sanglard, V., Schäffner, K., Scorza, S., Shlegel, V. N., Siebenborn, B., Strazzer, O., Tcherniakhovski, D., Tomei, C., Tretyak, V. I., Umatov, V. I., Vagneron, L., Vasiliev, Ya. V., Velazquez, M., Vignati, M., Weber, M., Yakushev, E., and Zolotarova, A. S.

Subjects
Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract

This paper reports on the development of a technology involving $^{100}$Mo-enriched scintillating bolometers, compatible with the goals of CUPID, a proposed next-generation bolometric experiment to search for neutrinoless double-beta decay. Large mass ($\sim$1~kg), high optical quality, radiopure $^{100}$Mo-containing zinc and lithium molybdate crystals have been produced and used to develop high performance single detector modules based on 0.2--0.4~kg scintillating bolometers. In particular, the energy resolution of the lithium molybdate detectors near the $Q$-value of the double-beta transition of $^{100}$Mo (3034~keV) is 4--6~keV FWHM. The rejection of the $\alpha$-induced dominant background above 2.6~MeV is better than 8$\sigma$. Less than 10~$\mu$Bq/kg activity of $^{232}$Th ($^{228}$Th) and $^{226}$Ra in the crystals is ensured by boule recrystallization. The potential of $^{100}$Mo-enriched scintillating bolometers to perform high sensitivity double-beta decay searches has been demonstrated with only 10~kg$\times$d exposure: the two neutrino double-beta decay half-life of $^{100}$Mo has been measured with the up-to-date highest accuracy as $T_{1/2}$ = [6.90 $\pm$ 0.15(stat.) $\pm$ 0.37(syst.)] $\times$ 10$^{18}$~yr. Both crystallization and detector technologies favor lithium molybdate, which has been selected for the ongoing construction of the CUPID-0/Mo demonstrator, containing several kg of $^{100}$Mo., Comment: 25 pages, 12 figures, 8 tables; submitted to EPJC

Published
2017
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32. Development of 100Mo-containing scintillating bolometers for a high-sensitivity neutrinoless double-beta decay search

Author

Armengaud, E, Augier, C, Barabash, AS, Beeman, JW, Bekker, TB, Bellini, F, Benoît, A, Bergé, L, Bergmann, T, Billard, J, Boiko, RS, Broniatowski, A, Brudanin, V, Camus, P, Capelli, S, Cardani, L, Casali, N, Cazes, A, Chapellier, M, Charlieux, F, Chernyak, DM, de Combarieu, M, Coron, N, Danevich, FA, Dafinei, I, Jesus, M De, Devoyon, L, Domizio, S Di, Dumoulin, L, Eitel, K, Enss, C, Ferroni, F, Fleischmann, A, Foerster, N, Gascon, J, Gastaldo, L, Gironi, L, Giuliani, A, Grigorieva, VD, Gros, M, Hehn, L, Hervé, S, Humbert, V, Ivannikova, NV, Ivanov, IM, Jin, Y, Juillard, A, Kleifges, M, Kobychev, VV, Konovalov, SI, Koskas, F, Kozlov, V, Kraus, H, Kudryavtsev, VA, Laubenstein, M, Sueur, H Le, Loidl, M, Magnier, P, Makarov, EP, Mancuso, M, de Marcillac, P, Marnieros, S, Marrache-Kikuchi, C, Nagorny, S, Navick, X-F, Nikolaichuk, MO, Nones, C, Novati, V, Olivieri, E, Pagnanini, L, Pari, P, Pattavina, L, Pavan, M, Paul, B, Penichot, Y, Pessina, G, Piperno, G, Pirro, S, Plantevin, O, Poda, DV, Queguiner, E, Redon, T, Rodrigues, M, Rozov, S, Rusconi, C, Sanglard, V, Schäffner, K, Scorza, S, Shlegel, VN, Siebenborn, B, Strazzer, O, Tcherniakhovski, D, Tomei, C, Tretyak, VI, Umatov, VI, Vagneron, L, Vasiliev, Ya V, Velázquez, M, Vignati, M, and Weber, M

Subjects
Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract

This paper reports on the development of a technology involving 100Mo -enriched scintillating bolometers, compatible with the goals of CUPID, a proposed next-generation bolometric experiment to search for neutrinoless double-beta decay. Large mass ( ∼1kg ), high optical quality, radiopure 100Mo -containing zinc and lithium molybdate crystals have been produced and used to develop high performance single detector modules based on 0.2-0.4 kg scintillating bolometers. In particular, the energy resolution of the lithium molybdate detectors near the Q-value of the double-beta transition of 100Mo (3034 keV) is 4-6 keV FWHM. The rejection of the α -induced dominant background above 2.6 MeV is better than 8σ . Less than 10μBq/kg activity of 232Th(228Th) and 226Ra in the crystals is ensured by boule recrystallization. The potential of 100Mo -enriched scintillating bolometers to perform high sensitivity double-beta decay searches has been demonstrated with only 10kg×d exposure: the two neutrino double-beta decay half-life of 100Mo has been measured with the up-to-date highest accuracy as T1/2 = [6.90 ± 0.15(stat.) ± 0.37(syst.)] ×1018years . Both crystallization and detector technologies favor lithium molybdate, which has been selected for the ongoing construction of the CUPID-0/Mo demonstrator, containing several kg of 100Mo .

Published
2017

34. Formation Of A Cold Antihydrogen Beam in AEGIS For Gravity Measurements

Author

Testera, G., Belov, A. S., Bonomi, G., Boscolo, I., Brambilla, N., Brusa, R. S., Byakov, V. M., Cabaret, L., Canali, C., Carraro, C., Castelli, F., Cialdi, S., de Combarieu, M., Comparat, D., Consolati, G., Djourelov, N., Doser, M., Drobychev, G., Dupasquier, A., Fabris, D., Ferragut, R., Ferrari, G., Fischer, A., Fontana, A., Forget, P., Formaro, L., Lunardon, M., Gervasini, A., Giammarchi, M. G., Gninenko, S. N., Gribakin, G., Heyne, R., Hogan, S. D., Kellerbauer, A., Krasnicky, D., Lagomarsino, V., Manuzio, G., Mariazzi, S., Matveev, V. A., Merkt, F., Moretto, S., Morhard, C., Nebbia, G., Nedelec, P., Oberthaler, M. K., Pari, P., Petracek, V., Prevedelli, M., Al-Qaradawi, I. Y., Quasso, F., Rohne, O., Pesente, S., Rotondi, A., Stapnes, S., Sillou, D., Stepanov, S. V., Stroke, H. H., Tino, G., Vairo, A., Viesti, G., Walters, H., Warring, U., Zavatarelli, S., Zenoni, A., and Zvezhinskij, D. S.

Subjects
Physics - Atomic Physics, General Relativity and Quantum Cosmology
Abstract

The formation of the antihydrogen beam in the AEGIS experiment through the use of inhomogeneous electric fields is discussed and simulation results including the geometry of the apparatus and realistic hypothesis about the antihydrogen initial conditions are shown. The resulting velocity distribution matches the requirements of the gravity experiment. In particular it is shown that the inhomogeneous electric fields provide radial cooling of the beam during the acceleration., Comment: Invited talk at Pbar08 - Workshop on Cold Antimatter Plasmas and Application to Fundamental Physics, Okinawa, Japan, 2008

Published
2008
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35. Precise measurement of 2νββ100 decay of 2νββ100Mo with the CUPID-Mo detection technology

Author

Armengaud, E., Augier, C., Barabash, A.  S., Bellini, F., Benato, G., Benoît, A., Beretta, M., Bergé, L., Billard, J., Borovlev, Yu. A., Bourgeois, Ch., Briere, M., Brudanin, V., Camus, P., Cardani, L., Casali, N., Cazes, A., Chapellier, M., Charlieux, F., de Combarieu, M., Dafinei, I., Danevich, F. A., De Jesus, M., Dumoulin, L., Eitel, K., Elkhoury, E., Ferri, F., Fujikawa, B. K., Gascon, J., Gironi, L., Giuliani, A., Grigorieva, V. D., Gros, M., Guerard, E., Helis, D. L., Huang, H. Z., Huang, R., Johnston, J., Juillard, A., Khalife, H., Kleifges, M., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S. I., Leder, A., Kotila, J., Loaiza, P., Ma, L., Makarov, E. P., de Marcillac, P., Marini, L., Marnieros, S., Misiak, D., Navick, X.-F., Nones, C., Novati, V., 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., 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., and Zolotarova, A. S.

Published
2020
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37. The neutrinoless double beta decay CROSS experiment: demonstrator with surface sensitive bolometers

Author

Zolotarova, A., Bandac, I.C., Barabash, A.S., Berest, V., 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., Zolotarova, A, Bandac, I, Barabash, A, Berest, V, Berge, L, Bourgeois, C, Calvo-Mozota, J, Carniti, P, Chapellier, M, de Combarieu, M, Dafinei, I, Danevich, F, Dumoulin, L, Ferri, F, Giuliani, A, Gotti, C, Gras, P, Guerard, E, Ianni, A, Khalife, H, Konovalov, S, Loaiza, P, Madhukuttan, M, de Marcillac, P, Mariam, R, Marnieros, S, Marrache-Kikuchi, C, Martinez, M, Nones, C, Olivieri, E, Pessina, G, Poda, D, Redon, T, Scarpaci, J, Tretyak, V, Umatov, V, Zarytskyy, M, Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), and Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)

Subjects
detector: technology, History, molybdenum: nuclide, shape analysis, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], sensitivity, crystal: surface, neutrinoless double beta decay, Computer Science Applications, Education, double-beta decay: (0neutrino), bolometer, CROSS, tellurium: nuclide, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det]
Abstract

The CROSS experiment is proposing to use a new technology of surface sensitive bolometers for low-background neutrinoless double beta decay searches. Efficient rejection of surface α and β events will allow to reach background in the region of interest below than 10−4 cnts/keV/kg/yr. The isotopes of interest, which are 130Te and 100Mo, are investigated with TeO2 and Li2MoO4 bolometers. The surface sensitivity is achieved thanks to the evaporation of thin metallic film on the crystal surface that modifies the pulse shape of near-surface events. An investigation of various pulse shape parameters was performed. The analysis shows that one of the best parameters for discrimination is the integrated area of the raw signal both for TeO2 and Li2MoO4 with Pd-Al (10 nm - 100 nm) bi-layer.

Published
2022

38. Operating a full tungsten actively cooled tokamak: overview of WEST first phase of operation

Author

Bucalossi, J., Achard, J., Agullo, O., Alarcon, T., Allegretti, L., Ancher, H., Antar, G., Antusch, S., Anzallo, V., Arnas, C., Arranger, D., Artaud, J. F., Aumeunier, M. H., Baek, S. G., Bai, X., Balbin, J., Balorin, C., Barbui, T., Barbuti, A., Barlerin, J., Basiuk, V., Batal, T., Baulaigue, O., Bec, A., Bécoulet, M., Benoit, E., Benard, E., Benard, J. M., Bertelli, N., Bertrand, E., Beyer, P., Bielecki, J., Bienvenu, P., Bisson, R., Bobkov, V., Bodner, G., Bottereau, C., Bouchand, C., Bouquey, F., Bourdelle, C., Bourg, J., Brezinsek, S., Brochard, F., Brun, C., Bruno, V., Bufferand, H., Bureau, A., Burles, S., Camenen, Y., Cantone, B., Caprin, E., Carpentier, S., Caulier, G., Chanet, N., Chellai, O., Chen, Y., Chernyshova, M., Chmielewski, P., Choe, W., Chomiczewska, A., Ciraolo, G., Clairet, F., Coenen, J., Colas, L., Colledani, G., Colnel, J., Coquillat, P., Corbel, E., Corre, Y., Costea, S., Courtois, X., Czarski, T., Daniel, R., Daumas, J., De Combarieu, M., Temmerman, G., De, De Vries, P., Dechelle, C., Deguara, F., Dejarnac, R., Delaplanche, J. M., Delgado-Aparicio, L. F., Delmas, E., Delpech, L., Desgranges, C., Devynck, P., Di Genova, S., Diab, R., Diallo, A., Diez, M., Dif-Pradalier, G., Dimitrova, M., Ding, B., Dittmar, T., Doceul, L., Domenes, M., Douai, D., Dougnac, H., Duan, X., Dubus, L., Dumas, N., Dumont, R., Durand, F., Durif, A., Durocher, A., Durodié, F., Ekedahl, A., Elbeze, D., Ertmer, S., Escarguel, A., Escourbiac, F., Ezato, K., Faisse, F., Faure, N., Fedorczak, N., Fejoz, P., Fenzi-Bonizec, C., Ferlay, F., Firdaouss, M., Fleury, L., Flouquet, D., Gallo, A., Gao, Y., Garbet, X., Garcia, J., Gardarein, J. L., Gargiulo, L., Garibaldi, P., Garitta, S., Gaspar, J., Gauthier, E., Gavila, P., Gazzotti, S., Gely, F., Geynet, M., Gharafi, S., Ghendrih, P., Giacalone, I., Gil, C., Ginoux, S., Girard, S., Giroux, E., Giruzzi, G., Goletto, C., Goniche, M., Gray, T., Grelier, E., Greuner, H., Grigore, E., Grisolia, C., Grosjean, A., Grosman, A., Guibert, D., Guilhem, D., Guillemaut, C., Guillermin, B., Guirlet, R., Gunn, J. P., Gunsu, Y., Gyergyek, T., Hakola, A., Harris, J., Hatchressian, J. C., Helou, W., Hennequin, P., Hernandez, C., Hill, K., Hillairet, J., Hirai, T., Hoang, G. T., Houry, M., Hutter, T., Imbeaux, F., Imbert, N., Ivanova-Stanik, I., Jalageas, R., Jardin, A., Jaubert, L., Jiolat, G., Jonas, A., Joubert, P., Kirschner, A., Klepper, C., Komm, M., Koubiti, M., Kovacic, J., Kozeiha, M., Krieger, K., Krol, K., Lacroix, B., Laguardia, L., Lamaison, V., Laqua, H., Lau, C., Lausenaz, Y., Lé, R., Le Bohec, M., Lefevre, N., Lemoine, N., Lerche, E., Lewerentz, M., Li, Y., Li, M., Liang, A., Linczuk, P., Linsmeier, C., Lipa, M., Litaudon, X., Liu, X., Llorens, J., Loarer, T., Loarte, A., Loewenhoff, T., Lombard, G., Lore, J., Lorenzetto, P., Lotte, P., Lozano, M., Lu, B., Lunsford, R., Luo, G., Magaud, P., Maget, P., Mahieu, J. F., Maini, P., Malard, P., Malinowski, K., Manas, P., Manenc, L., Marandet, Y., Marechal, J. L., Marek, S., Martin, C., Martin, E., Martinez, A., Martino, P., Mazon, D., Messina, P., Meunier, L., Midou, D., Mineo, Y., Missilian, M., Mitteau, R., Mitu, B., Mollard, P., Moncada, V., Mondiere, T., Morales, J., Moreau, M., Moreau, P., Moudden, Y., Moureau, G., Mouyon, D., Muraglia, M., Nagy, A., Nakano, T., Nardon, E., Neff, A., Nespoli, F., Nichols, J., Nicollet, S., Nouailletas, R., Ono, M., Ostuni, V., Parish, C., Park, H., Parrat, H., Pascal, J. Y., Pégourié, B., Pellissier, F. P., Peneliau, Y., Peret, M., Peysson, Y., Pignoly, E., Pintsuk, G., Pitts, R., Pocheau, C., Portafaix, C., Poulos, M., Prochet, P., Puig Sitjes, A., Rasinski, M., Raup, G., Regal-Mezin, X., Reux, C., Riccardi, B., Rice, J., Richou, M., Rigollet, F., Roche, H., Romazanov, J., Ruset, C., Sabot, R., Saille, A., Sakamoto, R., Salmon, T., Samaille, F., Santagiustina, A., Santraine, B., Sarazin, Y., Serre, E., Shin, H., Shiraiwai, S., Signoret, Ja., Signoret, Je., Simonin, A., Skalli Fettachi, O., Song, Y., Spring, A., Spuig, P., Sridhar, S., Stratton, B., Talatizi, C., Tamain, P., Tatali, R., Téna, M., Torre, A., Toulouse, L., Travère, J. M., Treutterer, W., Tsitrone, E., Unterberg, E., Urbanczyk, G., Van Eester, D., Van Rooij, G., Vartanian, S., Verger, J. M., Vermare, L., Vézinet, D., Vignal, N., Vincent, B., Vives, S., Volpe, D., Wallace, G., Wang, E., Wang, L., Wang, Yi., Wang, Yo., Wauters, T., Wirth, B., Wirtz, M., Wojenski, A., Wright, J., Xu, M., Yang, Q., Yang, H., Zago, B., Zagorski, Zhang, B., Zhang, X., Zou, X., Institut universitaire des systèmes thermiques industriels (IUSTI), Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherche sur la Fusion par confinement Magnétique (IRFM), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Laboratoire de Physique des Plasmas (LPP), Observatoire de Paris, and Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-École polytechnique (X)-Sorbonne Université (SU)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)

Subjects
Nuclear and High Energy Physics, Tokamak, Materials science, WEST, Nuclear engineering, Phase (waves), chemistry.chemical_element, Tungsten, law.invention, [PHYS.PHYS.PHYS-PLASM-PH]Physics [physics]/Physics [physics]/Plasma Physics [physics.plasm-ph], law, ITER, divertor, DEMO, Engineering & allied operations, nuclear fusion, Superconductivity, [PHYS]Physics [physics], Divertor, RF power amplifier, magnetic confinement, Plasma, Condensed Matter Physics, chemistry, Heat flux, ddc:620, tokamak physics
Abstract

WEST is an MA class superconducting, actively cooled, full tungsten (W) tokamak, designed to operate in long pulses up to 1000 s. In support of ITER operation and DEMO conceptual activities, key missions of WEST are: (i) qualification of high heat flux plasma-facing components in integrating both technological and physics aspects in relevant heat and particle exhaust conditions, particularly for the tungsten monoblocks foreseen in ITER divertor; (ii) integrated steady-state operation at high confinement, with a focus on power exhaust issues. During the phase 1 of operation (2017–2020), a set of actively cooled ITER-grade plasma facing unit prototypes was integrated into the inertially cooled W coated startup lower divertor. Up to 8.8 MW of RF power has been coupled to the plasma and divertor heat flux of up to 6 MW m−2 were reached. Long pulse operation was started, using the upper actively cooled divertor, with a discharge of about 1 min achieved. This paper gives an overview of the results achieved in phase 1. Perspectives for phase 2, operating with the full capability of the device with the complete ITER-grade actively cooled lower divertor, are also described.

Published
2022

39. The neutrinoless double beta decay CROSS experiment: demonstrator with surface sensitive bolometers

Author

Zolotarova, A., primary, Bandac, I.C., additional, Barabash, A.S., additional, Berest, V., additional, Bergé, L., additional, Bourgeois, Ch., additional, Calvo-Mozota, J.M., additional, Carniti, P., additional, Chapellier, M., additional, de Combarieu, M., additional, Dafinei, I., additional, Danevich, F.A., additional, Dumoulin, L., additional, Ferri, F., additional, Giuliani, A., additional, Gotti, C., additional, Ph., Gras, additional, Guerard, E., additional, Ianni, A., additional, Khalife, H., additional, Konovalov, S.I., additional, Loaiza, P., additional, Madhukuttan, M., additional, de Marcillac, 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, and Zarytskyy, M.M., additional

Published
2021
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40. New Limit for Neutrinoless Double-Beta Decay of $^{100}$Mo from the CUPID-Mo Experiment

Author

Armengaud E., Augier C., Barabash A. S., Bellini F., Benato G., Benoit A., Beretta M., Berge L., Billard J., Borovlev Y. A., Bourgeois C., Brudanin V. B., Camus P., Cardani L., Casali N., Cazes A., Chapellier M., Charlieux F., Chiesa D., 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., Huang R., Johnston J., Juillard A., Khalife H., Kleifges M., Kobychev V. V., Kolomensky Y. G., Konovalov S. I., Leder A., Loaiza P., Ma L., Makarov E. P., De Marcillac P., Mariam R., Marini L., Marnieros S., Misiak D., Navick X. -F., Nones C., Norman E. B., Novati V., 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., Pozzi S., Previtali E., Redon T., Rojas A., Rozov S., Rusconi C., Sanglard V., Scarpaci J. A., Schaffner K., Schmidt B., Shen Y., Shlegel V. N., Siebenborn B., Singh V., Tomei C., Tretyak V. I., Umatov V. I., Vagneron L., Velazquez M., Welliver B., Winslow L., Xue M., Yakushev E., Zarytskyy M., Zolotarova A. S., Armengaud, E, Augier, C, Barabash, A, Bellini, F, Benato, G, Benoit, A, Beretta, M, Berge, L, Billard, J, Borovlev, Y, Bourgeois, C, Brudanin, V, Camus, P, Cardani, L, Casali, N, Cazes, A, Chapellier, M, Charlieux, F, Chiesa, D, De Combarieu, M, Dafinei, I, Danevich, F, De Jesus, M, Dixon, T, Dumoulin, L, Eitel, K, Ferri, F, Fujikawa, B, Gascon, J, Gironi, L, Giuliani, A, Grigorieva, V, Gros, M, Guerard, E, Helis, D, Huang, H, Huang, R, Johnston, J, Juillard, A, Khalife, H, Kleifges, M, Kobychev, V, Kolomensky, Y, Konovalov, S, Leder, A, Loaiza, P, Ma, L, Makarov, E, De Marcillac, P, Mariam, R, Marini, L, Marnieros, S, Misiak, D, Navick, X, Nones, C, Norman, E, Novati, V, Olivieri, E, Ouellet, J, Pagnanini, L, Pari, P, Pattavina, L, Paul, B, Pavan, M, Peng, H, Pessina, G, Pirro, S, Poda, D, Polischuk, O, Pozzi, S, Previtali, E, Redon, T, Rojas, A, Rozov, S, Rusconi, C, Sanglard, V, Scarpaci, J, Schaffner, K, Schmidt, B, Shen, Y, Shlegel, V, Siebenborn, B, Singh, V, Tomei, C, Tretyak, V, Umatov, V, Vagneron, L, Velazquez, M, Welliver, B, Winslow, L, Xue, M, Yakushev, E, Zarytskyy, M, and Zolotarova, A

Subjects
100 Mo, Neutrinoless, double beta decay, FOS: Physical sciences, Neutrinoless double beta decay, Nuclear Experiment (nucl-ex), Nuclear Experiment
Abstract

The CUPID-Mo experiment at the Laboratoire Souterrain de Modane (France) is a demonstrator for CUPID, the next-generation ton-scale cryogenic $0\nu\beta\beta$ experiment. It consists of a 4.2 kg array of 20 enriched Li$_{2}$$^{100}$MoO$_4$ scintillating bolometers to search for the lepton number violating process of $0\nu\beta\beta$ decay in $^{100}$Mo. With more than one year of operation (2.16 kg$\times$yr of physics data), no event in the region of interest and hence no evidence for $0\nu\beta\beta$ is observed. We report a new limit on the half-life of $0\nu\beta\beta$ decay in $^{100}$Mo of $T_{1/2} > 1.5 \times 10^{24}\,$yr at 90 % C.I. The limit corresponds to an effective Majorana neutrino mass $\langle m_{\beta\beta} \rangle$ $

Published
2020
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41. Characterization of cubic Li $$_{2}$$ <math> <msub> <mrow></mrow> <mn>2</mn> </msub> </math> $$^{100}$$ <math> <msup> <mrow></mrow> <mn>100</mn> </msup> </math> MoO $$_4$$ <math> <msub> <mrow></mrow> <mn>4</mn> </msub> </math> crystals for the CUPID experiment

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., 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., 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, Yu., 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., V. 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., and Zucchelli, S.

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 $$_{2}$$ 2 $$^{100}$$ 100 MoO $$_4$$ 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 ( $$6.7\pm 0.6$$ 6.7 ± 0.6 ) keV FWHM in the region of interest, approaching the CUPID target of 5 keV FWHM. We assessed the identification of $$\alpha $$ α 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 $$\alpha $$ α -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
2021

42. A new limit for neutrinoless double-beta decay of 100 Mo from the CUPID-Mo experiment (CUPID-Mo Collaboration)

Author

Armengaud, E., Augier, C., Barabash, A.S., Bellini, F, Benato, G, Benoit, Alain, Beretta, M, Bergé, L., Billard, J., Borovlev, Yu, Bourgeois, Ch, Brudanin, V, Camus, P, Cardani, L, Casali, N, Cazes, A., Chapellier, M, Charlieux, F., Chiesa, D, De Combarieu, M, Dafinei, I, Danevich, F, De Jesus, M., Dixon, T, Dumoulin, L, Eitel, K, Ferri, F, Fujikawa, B, Gascon, J., Gironi, L, Giuliani, A, Grigorieva, V, Gros, M, Guerard, E, Helis, D, Huang, H, Huang, R, Johnston, J, Juillard, A., Khalife, H, Kleifges, M, Kobychev, V, Kolomensky, Yu, Konovalov, S, Leder, A, Loaiza, P, Ma, L, Makarov, E, De Marcillac, P, Mariam, R, Marini, L, Marnieros, S, Misiak, D, Navick, X.-F, Nones, C, Norman, E, Novati, V, Olivieri, E, Ouellet, J, Pagnanini, L, Pari, P, Pattavina, L, Paul, B, Pavan, M, PENG, H, Pessina, G, Pirro, S, Poda, D, Polischuk, O, Pozzi, S, Previtali, E, Redon, Th, Rojas, A, Rozov, S, Rusconi, C, Sanglard, V., Scarpaci, J.A., Schäffner, K, Schmidt, B, Shen, Y, Shlegel, V, Siebenborn, B, Singh, V, Tomei, C, Tretyak, V, Umatov, V, Vagneron, L., Velázquez, M, Welliver, B, Winslow, L, Xue, M, Yakushev, E, Zarytskyy, M, Zolotarova, A. S., Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), Hélium : du fondamental aux applications (HELFA), Institut Néel (NEEL), Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Cryogénie (Cryo), Laboratoire Souterrain de Modane (LSM - UMR 6417), Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019])-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CUPID, Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institute of Theoretical and Experimental Physics [Moscow] (ITEP), National Research Center 'Kurchatov Institute' (NRC KI), Università degli Studi di Roma 'La Sapienza' = Sapienza University [Rome] (UNIROMA), Laboratori Nazionali di Frascati (INFN), LABORATORY NAZIONALI DI FRASCATI, Hélium : du fondamental aux applications (NEEL - HELFA), University of California [Berkeley] (UC Berkeley), University of California (UC), Nikolaev Institute of Inorganic Chemistry [Novosibirsk] (NIC), Siberian Branch of the Russian Academy of Sciences (SB RAS), Dzhelepov Laboratory of Nuclear Problems [Dubna] (DLNP), Joint Institute for Nuclear Research (JINR), Cryogénie (NEEL - Cryo), Istituto Nazionale di Fisica Nucleare [Sezione di Roma 1] (INFN), Istituto Nazionale di Fisica Nucleare, Università degli Studi di Milano-Bicocca = University of Milano-Bicocca (UNIMIB), Institut Rayonnement Matière de Saclay (IRAMIS), Institute for Nuclear Research of NAS of Ukraine, National Academy of Sciences of Ukraine (NASU), Karlsruhe Institute of Technology (KIT), Université Paris-Saclay, Lawrence Berkeley National Laboratory [Berkeley] (LBNL), Fudan University [Shanghai], Massachusetts Institute of Technology (MIT), Istituto Nazionale di Fisica Nucleare, Sezione di Cagliari (INFN, Sezione di Cagliari), Istituto Nazionale di Fisica Nucleare (INFN), University of Science and Technology of China [Hefei] (USTC), Istituto Nazionale di Fisica Nucleare, Sezione di Milano (INFN), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), University of Southern California (USC), Science et Ingénierie des Matériaux et Procédés (SIMaP), and Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )

Subjects
[PHYS]Physics [physics], [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2021

43. Proposed antimatter gravity measurement with an antihydrogen beam

Author

Kellerbauer, A., Amoretti, M., Belov, A.S., Bonomi, G., Boscolo, I., Brusa, R.S., Büchner, M., Byakov, V.M., Cabaret, L., Canali, C., Carraro, C., Castelli, F., Cialdi, S., de Combarieu, M., Comparat, D., Consolati, G., Djourelov, N., Doser, M., Drobychev, G., Dupasquier, A., Ferrari, G., Forget, P., Formaro, L., Gervasini, A., Giammarchi, M.G., Gninenko, S.N., Gribakin, G., Hogan, S.D., Jacquey, M., Lagomarsino, V., Manuzio, G., Mariazzi, S., Matveev, V.A., Meier, J.O., Merkt, F., Nedelec, P., Oberthaler, M.K., Pari, P., Prevedelli, M., Quasso, F., Rotondi, A., Sillou, D., Stepanov, S.V., Stroke, H.H., Testera, G., Tino, G.M., Trénec, G., Vairo, A., Vigué, J., Walters, H., Warring, U., Zavatarelli, S., and Zvezhinskij, D.S.

Published
2008
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44. Precise measurement of 2νββ decay of 100Mo with the CUPID-Mo detection technology

Author

Armengaud, E., Augier, C., Barabash, A. S., Bellini, F., Benato, G., Benoît, A., Beretta, M., Bergé, L., Billard, J., Borovlev, Yu. A., Bourgeois, Ch., Briere, M., Brudanin, V., Camus, P., Cardani, L., Casali, N., Cazes, A., Chapellier, M., Charlieux, F., de Combarieu, M., Dafinei, I., Danevich, F. A., De Jesus, M., Dumoulin, L., Eitel, K., Elkhoury, E., Ferri, F., Fujikawa, B. K., Gascon, J., Gironi, L., Giuliani, A., Grigorieva, V. D., Gros, M., Guerard, E., Helis, D. L., Huang, H. Z., Huang, R., Johnston, J., Juillard, A., Khalife, H., Kleifges, M., Kobychev, V. V., Kolomensky, Yu. G., Konovalov, S. I., Leder, A., Kotila, J., Loaiza, P., Ma, L., Makarov, E. P., de Marcillac, P, Marini, L., Marnieros, S., Misiak, D., Navick, X.-F., Nones, C., Novati, V., 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., 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., and Zolotarova, A. S.

Subjects
Quantum Physics, Particle and Plasma Physics, Molecular, Nuclear, nucl-ex, physics.ins-det, Atomic, Nuclear & Particles Physics
Abstract

We report the measurement of the two-neutrino double-beta (2 νββ) decay of 100Mo to the ground state of 100Ru using lithium molybdate (Li2100MoO4) scintillating bolometers. The detectors were developed for the CUPID-Mo program and operated at the EDELWEISS-III low background facility in the Modane underground laboratory (France). From a total exposure of 42.235 kg× day, the half-life of 100Mo is determined to be T1/22ν=[7.12-0.14+0.18(stat.)±0.10(syst.)]×1018years. This is the most accurate determination of the 2 νββ half-life of 100Mo to date.

Published
2020

45. Precise measurement of $$2\nu \beta \beta $$ decay of $$^{100}$$Mo with the CUPID-Mo detection technology

Author

Armengaud, E., primary, Augier, C., additional, Barabash, A.  S., additional, Bellini, F., additional, Benato, G., additional, Benoît, A., additional, Beretta, M., additional, Bergé, L., additional, Billard, J., additional, Borovlev, Yu. A., additional, Bourgeois, Ch., additional, Briere, M., additional, Brudanin, V., additional, Camus, P., additional, Cardani, L., additional, Casali, N., additional, Cazes, A., additional, Chapellier, M., additional, Charlieux, F., additional, de Combarieu, M., additional, Dafinei, I., additional, Danevich, F. A., additional, De Jesus, M., additional, Dumoulin, L., additional, Eitel, K., additional, Elkhoury, E., additional, Ferri, F., additional, Fujikawa, B. K., additional, Gascon, J., additional, Gironi, L., additional, Giuliani, A., additional, Grigorieva, V. D., additional, Gros, M., additional, Guerard, E., additional, Helis, D. L., additional, Huang, H. Z., additional, Huang, R., additional, Johnston, J., additional, Juillard, A., additional, Khalife, H., additional, Kleifges, M., additional, Kobychev, V. V., additional, Kolomensky, Yu. G., additional, Konovalov, S. I., additional, Leder, A., additional, Kotila, J., additional, Loaiza, P., additional, Ma, L., additional, Makarov, E. P., additional, de Marcillac, P., additional, Marini, L., additional, Marnieros, S., additional, Misiak, D., additional, Navick, X.-F., additional, Nones, C., additional, Novati, V., additional, Olivieri, E., additional, Ouellet, J. L., additional, Pagnanini, L., additional, Pari, P., additional, Pattavina, L., additional, Paul, B., additional, Pavan, M., additional, Peng, H., additional, Pessina, G., additional, Pirro, S., additional, Poda, D. V., additional, Polischuk, O. G., additional, Previtali, E., additional, Redon, Th., additional, Rozov, S., additional, Rusconi, C., additional, Sanglard, V., additional, Schäffner, K., additional, Schmidt, B., additional, Shen, Y., additional, Shlegel, V. N., additional, Siebenborn, B., additional, Singh, V., additional, Tomei, C., additional, Tretyak, V. I., additional, Umatov, V. I., additional, Vagneron, L., additional, Velázquez, M., additional, Weber, M., additional, Welliver, B., additional, Winslow, L., additional, Xue, M., additional, Yakushev, E., additional, and Zolotarova, A. S., additional

Published
2020
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46. Neutrinoless Double-Beta Decay Searches with Enriched $$^{116}\hbox {CdWO}_{{4}}$$ Scintillating Bolometers

Author

Helis, D. L., primary, Bandac, I. C., additional, Barabash, A. S., additional, Billard, J., additional, Chapellier, M., additional, de Combarieu, M., additional, Danevich, F. A., additional, Dumoulin, L., additional, Gascon, J., additional, Giuliani, A., additional, Kasperovych, D. V., additional, Kobychev, V. V., additional, de Marcillac, P., additional, Marnieros, S., additional, Nones, C., additional, Novati, V., additional, Olivieri, E., additional, Poda, D. V., additional, Polischuk, O. G., additional, Redon, Th., additional, Tretyak, V. I., additional, and Zolotarova, A. S., additional

Published
2020
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47. CUPID pre-CDR

Author

Armstrong, W.R., Chang, C., Hafidi, K., Lisovenko, M., Novosad, V., Pearson, J., Polakovic, T., Wang, G., Yefremenko, V., Zhang, J., Bucci, C., Canonica, L., Cappelli, L., Caracciolo, V., Copello, S., D'Addabbo, A., Gorla, P., Nisi, S., Orlandi, D., Pagliarone, C.E., Pattavina, L., Pirro, S., Schaffner, K., Benato, G., Drobizhev, A., Fujikawa, B.K., Huang, R., Kolomensky, Yu.G., Marini, L., Norman, E., Sakai, M., Schmidt, B., Singh, V., Vetter, K., Wagaarachchi, S., Wallig, J., Welliver, B., Dell'oro, S., O'Donnell, T., Zucchelli, S., Moggi, N., Boldrini, V., Mancarella, F., Rizzi, R., Johnston, J., Ouellet, J., Formaggio, J., Winslow, L., Avignone, F., Rusconi, C., Creswick, R., Wilson, K., Franceschi, A., Napolitano, T., Caminata, A., Di Domizio, S., Pallavicni, M., Velazquez, M., Peng, H., Xue, M., Danevich, F., Kobychev, V., Polischuk, O., Tretyak, V., Azzolini, O., Keppel, G., Pira, C., Ferroni, F., Dompè, V., Fantini, G., Alfonso, K., Huang, H.Z., Arnaud, Q., Augier, C., Billard, J., Cazes, A., Charlieux, F., Elkhoury, E., Gascon, J., De Jesus, M., Juillard, A., Misiak, D., Sanglard, V., Vagneron, L., Beretta, M., Biassoni, M., Brofferio, C., Capelli, S., Carniti, P., Chiesa, D., Clemenza, M., Cremonesi, O., Faverzani, M., Ferri, E., Giachero, A., Gironi, L., Gotti, C., Nastasi, M., Nutini, I., Pagnanini, L., Pavan, M., Pessina, G., Pozzi, S., Previtali, E., Puiu, A., Sisti, M., Barabash, A., Konovalov, S., Yumatov, V., Heeger, K., Maruyama, R., Nikkel, J., Speller, D., Surukuchi, P.T., Shlegel, V., Bergé, L., Chapellier, M., Dumoulin, L., Giuliani, A., Khalife, H., De Marcillac, P., Marnieros, S., Olivieri, E., Poda, D., Redon, T., Zolotarova, A., Brière, M., Bourgeois, C., Guerard, E., Loaiza, P., Taffarello, L., Karapetrov, G., Bellini, F., Cardani, L., Casali, N., Cruciani, A., Dafinei, I., Pettinacci, V., D'Imperio, G., Tomei, C., Vignati, M., Colantoni, I., Armengaud, E., Charrier, A., De Combarieu, M., Ferri, F., Gras, Ph., Gros, M., Helis, D., Navick, X.F., Nones, C., Pari, P., Paul, B., Gutierrez, T., Han, K., Ma, L., Shen, Y., He, W., Martinez, M., Science et Ingénierie des Matériaux et Procédés (SIMaP ), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Institut de Physique Nucléaire de Lyon (IPNL), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), CUPID, Science et Ingénierie des Matériaux et Procédés (SIMaP), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut National Polytechnique de Grenoble (INPG)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National Polytechnique de Grenoble (INPG)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), and Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11)

Subjects
Physics - Instrumentation and Detectors, data acquisition, FOS: Physical sciences, fabrication, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), double-beta decay: (0neutrino), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Nuclear Experiment (nucl-ex), Nuclear Experiment, lepton number: violation, activity report, detector: design, CUORE, molybdenum: nuclide, Instrumentation and Detectors (physics.ins-det), calibration, molybdenum: oxygen, cryogenics, lithium, electronics: readout, scintillation counter: crystal, control system, performance, electronics: design
Abstract

International audience; CUPID is a proposed future tonne-scale bolometric neutrinoless double beta decay ($0\nu\beta\beta$) experiment to probe the Majorana nature of neutrinos and discover Lepton Number Violation in the so-called inverted hierarchy region of the neutrino mass. CUPID will be built on experience, expertise and lessons learned in CUORE, and will exploit the current CUORE infrastructure as much as possible. In order to achieve its ambitious science goals, CUPID aims to dramatically reduce the backgrounds in the region of interest introducing a high efficiently $\alpha$/$\beta$ discrimination techniques, also demonstrated by the CUPID-0 and CUPID-Mo experiments, and using a high transition energy double beta decay nucleus, $^{100}$Mo. This document describe the main concepts related with the design of the CUPID experiment and indicates the projected sensitivities and the global scientific goal of the experiment.

Published
2019

48. Complete event-by-event $\alpha/\gamma(\beta)$ separation in a full-size ${\mathrm{TeO}}_{2}$ CUORE bolometer by Neganov-Luke-magnified light detection

Author

Bergé , L., Chapellier , M., De Combarieu , M., Dumoulin , L., Giuliani , A., Gros , M., De Marcillac , P., Marnieros , S., Nones , C., Novati , V., Olivieri , E., Paul , B., Poda , D.V., Redon , T., Siebenborn , B., Zolotarova , A.S., Armengaud , E., Augier , C., Benoît , A., Billard , J., Broniatowski , A., Camus , P., Cazes , A., Charlieux , F., De Jesus , M., Eitel , K., Foerster , N., Gascon , J., Jin , Y., Juillard , A., Kleifges , M., Kozlov , V., Kraus , H., Kudryavtsev , V.A., Le Sueur , H., Maisonobe , R., Navick , X-F., Pari , P., Queguiner , E., Rozov , S., Sanglard , V., Vagneron , L., Weber , M., Yakushev , E., Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut Rayonnement Matière de Saclay (IRAMIS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Institut de Physique Nucléaire de Lyon (IPNL), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut Néel (NEEL), Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF), Centre de Nanosciences et de Nanotechnologies [Orsay] (C2N), Université Paris-Sud - Paris 11 (UP11)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Hélium : du fondamental aux applications (NEEL - HELFA), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Cryogénie (NEEL - Cryo), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Centre de Sciences Nucléaires et de Sciences de la Matière ( CSNSM ), Université Paris-Sud - Paris 11 ( UP11 ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Centre National de la Recherche Scientifique ( CNRS ), Institut Rayonnement Matière de Saclay ( IRAMIS ), Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Université Paris-Saclay, Institut de Recherches sur les lois Fondamentales de l'Univers ( IRFU ), Institut de Physique Nucléaire de Lyon ( IPNL ), Université Claude Bernard Lyon 1 ( UCBL ), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Centre National de la Recherche Scientifique ( CNRS ), Institut Néel ( NEEL ), and Université Grenoble Alpes [Saint Martin d'Hères]-Centre National de la Recherche Scientifique ( CNRS )

Subjects
CUORE, Physics - Instrumentation and Detectors, electron: particle identification, radiation: Cherenkov, tellurium: oxygen, helium: particle identification, photon: particle identification, High Energy Physics - Experiment, helium: background, bolometer, double-beta decay: (0neutrino), [ PHYS.HEXP ] Physics [physics]/High Energy Physics - Experiment [hep-ex], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], tellurium: nuclide, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], [ PHYS.PHYS.PHYS-INS-DET ] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], performance, background: suppression
Abstract

In the present work, we describe the results obtained with a large ($\approx 133$ cm$^3$) TeO$_2$ bolometer, with a view to a search for neutrinoless double-beta decay ($0\nu\beta\beta$) of $^{130}$Te. We demonstrate an efficient $\alpha$ particle discrimination (99.9\%) with a high acceptance of the $0\nu\beta\beta$ signal (about 96\%), expected at $\approx 2.5$ MeV. This unprecedented result was possible thanks to the superior performance (10 eV rms baseline noise) of a Neganov-Luke-assisted germanium bolometer used to detect a tiny (70 eV) light signal from the TeO$_2$ detector, dominated by $\gamma$($\beta$)-induced Cherenkov radiation but exhibiting also a clear scintillation component. The obtained results represent a major breakthrough towards the TeO$_2$-based version of CUORE Upgrade with Particle IDentification (CUPID), a ton-scale cryogenic $0\nu\beta\beta$ experiment proposed as a follow-up to the CUORE project with particle identification. The CUORE experiment began recently a search for neutrinoless double-beta decay of $^{130}$Te with an array of 988 125-cm$^3$ TeO$_2$ bolometers. The lack of $\alpha$ discrimination in CUORE makes $\alpha$ decays at the detector surface the dominant background component, at the level of $\approx 0.01$ counts/(keV kg y) in the region of interest. We show here, for the first time with a CUORE-size bolometer and using the same technology as CUORE for the readout of both heat and light signals, that surface $\alpha$ background can be fully rejected., Comment: The second version reflects the changes made after PRC referees' comments

Published
2018

49. Development of \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$^{100}\hbox {Mo}$$\end{document}100Mo-containing scintillating bolometers for a high-sensitivity neutrinoless double-beta decay search

Author

Armengaud, E., Augier, C., Barabash, A. S., Beeman, J. W., Bekker, T. B., Bellini, F., Benoît, A., Bergé, L., Bergmann, T., Billard, J., Boiko, R. S., Broniatowski, A., Brudanin, V., Camus, P., Capelli, S., Cardani, L., Casali, N., Cazes, A., Chapellier, M., Charlieux, F., Chernyak, D. M., de Combarieu, M., Coron, N., Danevich, F. A., Dafinei, I., Jesus, M. De, Devoyon, L., Domizio, S. Di, Dumoulin, L., Eitel, K., Enss, C., Ferroni, F., Fleischmann, A., Foerster, N., Gascon, J., Gastaldo, L., Gironi, L., Giuliani, A., Grigorieva, V. D., Gros, M., Hehn, L., Hervé, S., Humbert, V., Ivannikova, N. V., Ivanov, I. M., Jin, Y., Juillard, A., Kleifges, M., Kobychev, V. V., Konovalov, S. I., Koskas, F., Kozlov, V., Kraus, H., Kudryavtsev, V. A., Laubenstein, M., Sueur, H. Le, Loidl, M., Magnier, P., Makarov, E. P., Mancuso, M., de Marcillac, P., Marnieros, S., Marrache-Kikuchi, C., Nagorny, S., Navick, X-F., Nikolaichuk, M. O., Nones, C., Novati, V., Olivieri, E., Pagnanini, L., Pari, P., Pattavina, L., Pavan, M., Paul, B., Penichot, Y., Pessina, G., Piperno, G., Pirro, S., Plantevin, O., Poda, D. V., Queguiner, E., Redon, T., Rodrigues, M., Rozov, S., Rusconi, C., Sanglard, V., Schäffner, K., Scorza, S., Shlegel, V. N., Siebenborn, B., Strazzer, O., Tcherniakhovski, D., Tomei, C., Tretyak, V. I., Umatov, V. I., Vagneron, L., Vasiliev, Ya. V., Velázquez, M., Vignati, M., Weber, M., Yakushev, E., and Zolotarova, A. S.

Subjects
Regular Article - Experimental Physics
Abstract

This paper reports on the development of a technology involving \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$^{100}\hbox {Mo}$$\end{document}100Mo-enriched scintillating bolometers, compatible with the goals of CUPID, a proposed next-generation bolometric experiment to search for neutrinoless double-beta decay. Large mass (\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\sim 1~\hbox {kg}$$\end{document}∼1kg), high optical quality, radiopure \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$^{100}\hbox {Mo}$$\end{document}100Mo-containing zinc and lithium molybdate crystals have been produced and used to develop high performance single detector modules based on 0.2–0.4 kg scintillating bolometers. In particular, the energy resolution of the lithium molybdate detectors near the Q-value of the double-beta transition of \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$^{100}\hbox {Mo}$$\end{document}100Mo (3034 keV) is 4–6 keV FWHM. The rejection of the \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\alpha $$\end{document}α-induced dominant background above 2.6 MeV is better than \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$8\sigma $$\end{document}8σ. Less than \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$10~\upmu \hbox {Bq/kg}$$\end{document}10μBq/kg activity of \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$^{232}\hbox {Th}\, (^{228}\hbox {Th})$$\end{document}232Th(228Th) and \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$^{226}\hbox {Ra}$$\end{document}226Ra in the crystals is ensured by boule recrystallization. The potential of \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$^{100}\hbox {Mo}$$\end{document}100Mo-enriched scintillating bolometers to perform high sensitivity double-beta decay searches has been demonstrated with only \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$10~\hbox {kg}\times \hbox {d}$$\end{document}10kg×d exposure: the two neutrino double-beta decay half-life of \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$^{100}\hbox {Mo}$$\end{document}100Mo has been measured with the up-to-date highest accuracy as \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$T_{1/2}$$\end{document}T1/2 = [6.90 ± 0.15(stat.) ± 0.37(syst.)] \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\times ~10^{18}~\hbox {years}$$\end{document}×1018years. Both crystallization and detector technologies favor lithium molybdate, which has been selected for the ongoing construction of the CUPID-0/Mo demonstrator, containing several kg of \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$^{100}\hbox {Mo}$$\end{document}100Mo.

Published
2017

50. Complete event-by-event $��$/$��(��)$ separation in a full-size TeO$_2$ CUORE bolometer by Neganov-Luke-magnified light detection

Author

Berg��, L., Chapellier, M., de Combarieu, M., Dumoulin, L., Giuliani, A., Gros, M., de Marcillac, P., Marnieros, S., Nones, C., Novati, V., Olivieri, E., Paul, B., Poda, D. V., Redon, T., Siebenborn, B., Zolotarova, A. S., Armengaud, E., Augier, C., Beno��t, A., Billard, J., Broniatowski, A., Camus, P., Cazes, A., Charlieux, F., De Jesus, M., Eitel, K., Foerster, N., Gascon, J., Jin, Y., Juillard, A., Kleifges, M., Kozlov, V., Kraus, H., Kudryavtsev, V. A., Sueur, H. Le, Maisonobe, R., Navick, X-F., Pari, P., Queguiner, E., Rozov, S., Sanglard, V., Vagneron, L., Weber, M., and Yakushev, E.

Subjects
High Energy Physics - Experiment (hep-ex), FOS: Physical sciences, Instrumentation and Detectors (physics.ins-det)
Abstract

In the present work, we describe the results obtained with a large ($\approx 133$ cm$^3$) TeO$_2$ bolometer, with a view to a search for neutrinoless double-beta decay ($0������$) of $^{130}$Te. We demonstrate an efficient $��$ particle discrimination (99.9\%) with a high acceptance of the $0������$ signal (about 96\%), expected at $\approx 2.5$ MeV. This unprecedented result was possible thanks to the superior performance (10 eV rms baseline noise) of a Neganov-Luke-assisted germanium bolometer used to detect a tiny (70 eV) light signal from the TeO$_2$ detector, dominated by $��$($��$)-induced Cherenkov radiation but exhibiting also a clear scintillation component. The obtained results represent a major breakthrough towards the TeO$_2$-based version of CUORE Upgrade with Particle IDentification (CUPID), a ton-scale cryogenic $0������$ experiment proposed as a follow-up to the CUORE project with particle identification. The CUORE experiment began recently a search for neutrinoless double-beta decay of $^{130}$Te with an array of 988 125-cm$^3$ TeO$_2$ bolometers. The lack of $��$ discrimination in CUORE makes $��$ decays at the detector surface the dominant background component, at the level of $\approx 0.01$ counts/(keV kg y) in the region of interest. We show here, for the first time with a CUORE-size bolometer and using the same technology as CUORE for the readout of both heat and light signals, that surface $��$ background can be fully rejected., The second version reflects the changes made after PRC referees' comments

Published
2017
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