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1. 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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2. LUMINEU: a search for neutrinoless double beta decay based on ZnMoO$_4$ scintillating bolometers

Author

Armengaud, E., Arnaud, Q., Augier, C., Benoit, A., Berge, L., Boiko, R. S., Bergmann, T., Blumer, J., Broniatowski, A., Brudanin, V., Camus, P., Cazes, A., Chapellier, M., Charlieux, F., Chernyak, D. M., Coron, N., Coulter, P., Danevich, F. A., de Boissiere, T., Decourt, R., De Jesus, M., Devoyon, L., Drillien, A. -A., Dumoulin, L., Eitel, K., Enss, C., Filosofov, D., Fleischmann, A., Foerster, N., Fourches, N., Gascon, J., Gastaldo, L., Gerbier, G., Giuliani, A., Gray, D., Gros, M., Hehn, L., Henry, S., Herve, S., Heuermann, G., Humbert, V., Ivanov, I. M., Juillard, A., Kefelian, C., Kleifges, M., Kluck, H., Kobychev, V. V., Koskas, F., Kozlov, V., Kraus, H., Kudryavtsev, V. A., Sueur, H. Le, Loidl, M., Magnier, P., Makarov, E. P., Mancuso, M., de Marcillac, P., Marnieros, S., Marrache-Kikuchi, C., Menshikov, A., Nasonov, S. G., Navick, X. -F., Nones, C., Olivieri, E., Pari, P., Paul, B., Penichot, Y., Pessina, G., Piro, M. C., Plantevin, O., Poda, D. V., Redon, T., Robinson, M., Rodrigues, M., Rozov, S., Sanglard, V., Schmidt, B., Shlegel, S. Scorza V. N., Siebenborn, B., Strazzer, O., Tcherniakhovski, D., Tenconi, M., Torres, L., Tretyak, V. I., Vagneron, L., Vasiliev, Ya. V., Velazquez, M., Viraphong, O., Walker, R. J., Weber, M., Yakushev, E., Zhang, X., and Zhdankov, V. N.

Subjects
Nuclear Experiment, Physics - Instrumentation and Detectors
Abstract

The LUMINEU is designed to investigate the possibility to search for neutrinoless double beta decay in $^{100}$Mo by means of a large array of scintillating bolometers based on ZnMoO$_4$ crystals enriched in $^{100}$Mo. High energy resolution and relatively fast detectors, which are able to measure both the light and the heat generated upon the interaction of a particle in a crystal, are very promising for the recognition and rejection of background events. We present the LUMINEU concepts and the experimental results achieved aboveground and underground with large-mass natural and enriched crystals. The measured energy resolution, the $\alpha/\beta$ discrimination power and the radioactive internal contamination are all within the specifications for the projected final LUMINEU sensitivity. Simulations and preliminary results confirm that the LUMINEU technology can reach zero background in the region of interest (around 3 MeV) with exposures of the order of hundreds kg$\times$years, setting the bases for a next generation $0\nu2\beta$ decay experiment capable to explore the inverted hierarchy region of the neutrino mass pattern., Comment: 5 pages, 3 figures, submitted as proceedings of the TAUP 2015 conference

Published
2016
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3. Proceedings of the third French-Ukrainian workshop on the instrumentation developments for HEP

Author

Alessio, F., Barsuk, S. Ya., Berge, L., Bezshyyko, O. A., Boiko, R. S., Chaikovska, I., Chapellier, M., Charles, G., Chaus, A., Chehab, R., Chernyak, D. M., Coron, N., Danevich, F. A., Delerue, N., Devoyon, L., Drillien, A. -A., Dumoulin, L., Enss, C., Fedorchuk, O., Fleischmann, A., Gastaldo, L., Giuliani, A., Gray, D., Gros, M., Herve, S., Humbert, V., Ivanov, I. M., Juillard, A., Kharchenko, D., Kharchenko, V., Khodnevych, V., Kobychev, V. V., Koskas, F., Kovalchuk, O., Levchuk, I. P., Loidl, M., Lysenko, I., Magnier, P., Makarov, E. P., Malovytsia, M., Mancuso, M., de Marcillac, P., Marnieros, S., Marrache-Kikuchi, C., Maslov, V. I., Momot, I., Navick, X. -F., Nones, C., Okhrimenko, O., Olivieri, E., Onishchenko, I. N., Paul, B., Penichot, Y., Pessina, G., Plantevin, O., Poda, D. V., Prezado, Y., Pugatch, V., Redon, T., Rodrigues, M., Shchagin, A. V., Shlegel, V. N., Shul'ga, N. F., Shul'ga, S. N., Strazzer, O., Tenconi, M., Titov, M., Torres, L., Tretyak, V. I., Trofymenko, S. V., Vasiliev, Ya. V., Velazquez, M., and Viraphong, O.

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

The reports collected in these proceedings have been presented in the third French-Ukrainian workshop on the instrumentation developments for high-energy physics held at LAL, Orsay on October 15-16. The workshop was conducted in the scope of the IDEATE International Associated Laboratory (LIA). Joint developments between French and Ukrainian laboratories and universities as well as new proposals have been discussed. The main topics of the papers presented in the Proceedings are developments for accelerator and beam monitoring, detector developments, joint developments for large-scale high-energy and astroparticle physics projects, medical applications., Comment: 3rd French-Ukrainian workshop on the instrumentation developments for High Energy Physics, October 15-16, 2015, LAL, Orsay, France, 94 pages

Published
2015

4. 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

5. Scintillating bolometers based on ZnMoO$_4$ and Zn$^{100}$MoO$_4$ crystals to search for 0$\nu$2$\beta$ decay of $^{100}$Mo (LUMINEU project): first tests at the Modane Underground Laboratory

Author

Poda, D. V., Armengaud, E., Arnaud, Q., Augier, C., Benoît, A., Bergé, L., Boiko, R. S., Bergmann, T., Blümer, J., Broniatowski, A., Brudanin, V., Camus, P., Cazes, A., Censier, B., Chapellier, M., Charlieux, F., Chernyak, D. M., Coron, N., Coulter, P., Cox, G. A., Danevich, F. A., de Boissière, T., Decourt, R., De Jesus, M., Devoyon, L., Drillien, A. -A., Dumoulin, L., Eitel, K., Enss, C., Filosofov, D., Fleischmann, A., Fourches, N., Gascon, J., Gastaldo, L., Gerbier, G., Giuliani, A., Gros, M., Hehn, L., Henry, S., Hervé, S., Heuermann, G., Humbert, V., Ivanov, I. M., Juillard, A., Kéfélian, C., Kleifges, M., Kluck, H., Kobychev, V. V., Koskas, F., Kozlov, V., Kraus, H., Kudryavtsev, V. A., Sueur, H. Le, Loidl, M., Magnier, P., Makarov, E. P., Mancuso, M., de Marcillac, P., Marnieros, S., Marrache-Kikuchi, C., Menshikov, A., Nasonov, S. G., Navick, X-F., Nones, C., Olivieri, E., Pari, P., Paul, B., Penichot, Y., Pessina, G., Piro, M. C., Plantevin, O., Redon, T., Robinson, M., Rodrigues, M., Rozov, S., Sanglard, V., Schmidt, B., Shlegel, V. N., Siebenborn, B., Strazzer, O., Tcherniakhovski, D., Tenconi, M., Torres, L., Tretyak, V. I., Vagneron, L., Vasiliev, Ya. V., Velazquez, M., Viraphong, O., Walker, R. J., Weber, M., Yakushev, E., Zhang, X., and Zhdankov, V. N.

Subjects
Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract

The technology of scintillating bolometers based on zinc molybdate (ZnMoO$_4$) crystals is under development within the LUMINEU project to search for 0$\nu$2$\beta$ decay of $^{100}$Mo with the goal to set the basis for large scale experiments capable to explore the inverted hierarchy region of the neutrino mass pattern. Advanced ZnMoO$_4$ crystal scintillators with mass of $\sim$~0.3 kg were developed and Zn$^{100}$MoO$_4$ crystal from enriched $^{100}$Mo was produced for the first time by using the low-thermal-gradient Czochralski technique. One ZnMoO$_4$ scintillator and two samples (59 g and 63 g) cut from the enriched boule were tested aboveground at milli-Kelvin temperature as scintillating bolometers showing a high detection performance. The first results of the low background measurements with three ZnMoO$_4$ and two enriched detectors installed in the EDELWEISS set-up at the Modane Underground Laboratory (France) are presented., Comment: 7 pages, 5 figures, Contribution to the proceedings of the 37th International Conference on High Energy Physics (ICHEP 2014), Valencia, Spain, 2-9 July 2014

Published
2015
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6. Purification of molybdenum oxide, growth and characterization of medium size zinc molybdate crystals for the LUMINEU program

Author

Shlegel, V. N., Berge, L., Boiko, R. S., Chapellier, M., Chernyak, D. M., Coron, N., Danevich, F. A., Decourt, R., Degoda, V. Ya., Devoyon, L., Drillien, A., Dumoulin, L., Enss, C., Fleischmann, A., Gastaldo, L., Giuliani, A., Gros, M., Herve, S., Ivanov, I. M., Kobychev, V. V., Kogut, Ya. P., Koskas, F., Loidl, M., Magnier, P., Makarov, E. P., Mancuso, M., de Marcillac, P., Marnieros, S., Marrache-Kikuchi, C., Nasonov, S. G., Navick, X. F., Nones, C., Olivieri, E., Paul, B., Penichot, Y., Pessina, G., Plantevin, O., Poda, D. V., Redon, T., Rodrigues, M., Strazzer, O., Tenconi, M., Torres, L., Tretyak, V. I., Vasiliev, Ya. V., Velazquez, M., Viraphong, O., and Zhdankov, V. N.

Subjects
Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract

The LUMINEU program aims at performing a pilot experiment on neutrinoless double beta decay of 100Mo using radiopure ZnMoO4 crystals operated as scintillating bolometers. Growth of high quality radiopure crystals is a complex task, since there are no commercially available molybdenum compounds with the required levels of purity and radioactive contamination. This paper discusses approaches to purify molybdenum and synthesize compound for high quality radiopure ZnMoO4 crystal growth. A combination of a double sublimation (with addition of zinc molybdate) with subsequent recrystallization in aqueous solutions (using zinc molybdate as a collector) was used. Zinc molybdate crystals up to 1.5 kg were grown by the low-thermal-gradient Czochralski technique, their optical, luminescent, diamagnetic, thermal and bolometric properties were tested., Comment: Contribution to Proc. of Int. Workshop on Radiopure Scintillators RPSCINT 2013, 17-20 September 2013, Kyiv, Ukraine; to be published in EPJ Web of Conferences; expected to be online in January 2014; 6 pages, 6 figures, and 3 tables

Published
2013
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7. Purification of molybdenum oxide, growth and characterization of medium size zinc molybdate crystals for the LUMINEU program

Author

Shlegel V.N., Berge L., Boiko R.S., Chapellier M., Chernyak D.M., Coron N., Danevich F.A., Decourt R., Degoda V.Ya., Devoyon L., Drillien A., Dumoulin L., Enss C., Fleischmann A., Gastaldo L., Giuliani A., Gros M., Herve S., Ivanov I.M., Kobychev V.V., Kogut Ya.P., Koskas F., Loidl M., Magnier P., Makarov E.P., Mancuso M., de Marcillac P., Marnieros S., Marrache-Kikuchi C., Nasonov S.G., Navick X.F., Nones C., Olivieri E., Paul B., Penichot Y., Pessina G., Plantevin O., Poda D.V., Redon T., Rodrigues M., Strazzer O., Tenconi M., Torres L., Tretyak V.I., Vasiliev Ya.V., Velazquez M., Viraphong O., and Zhdankov V.N.

Subjects
Physics, QC1-999
Abstract

The LUMINEU program aims at performing a pilot experiment on neutrinoless double beta decay of 100Mo using radiopure ZnMoO4 crystals operated as scintillating bolometers. Growth of high quality radiopure crystals is a complex task, since there are no commercially available molybdenum compounds with the required levels of purity and radioactive contamination. This paper discusses approaches to purify molybdenum and synthesize compound for high quality radiopure ZnMoO4 crystal growth. A combination of a double sublimation (with addition of zinc molybdate) with subsequent recrystallization in aqueous solutions (using zinc molybdate as a collector) was used. Zinc molybdate crystals up to 1.5 kg were grown by the low-thermal-gradient Czochralski technique, their optical, luminescent, diamagnetic, thermal and bolometric properties were tested.

Published
2014
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8. 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

9. Scintillating bolometers based on ZnMoO4 and Zn100MoO4 crystals to search for 0ν2β decay of 100Mo (LUMINEU project): first tests at the Modane Underground Laboratory

Author

Poda, D.V., Armengaud, E., Arnaud, Q., Augier, C., Benoît, A., Bergé, L., Boiko, R.S., Bergmann, T., Blümer, J., Broniatowski, A., Brudanin, V., Camus, P., Cazes, A., Censier, B., Chapellier, M., Charlieux, F., Chernyak, D.M., Coron, N., Coulter, P., Cox, G.A., Danevich, F.A., Boissière, T.D., Decourt, R., Jesus, M.D., Devoyon, L., Drillien, A.-A., Dumoulin, L., Eitel, K., Enss, C., Filosofov, D., Fleischmann, A., Fourches, N., Gascon, J., Gastaldo, L., Gerbier, G., Giuliani, A., Gros, M., Hehn, L., Henry, S., Hervé, S., Heuermann, G., Humbert, V., Ivanov, I.M., Juillard, A., Kéfélian, C., Kleifges, M., Kluck, H., Kobychev, V.V., Koskas, F., Kozlov, V., Kraus, H., Kudryavtsev, V.A., Sueur, H.L., Loidl, M., Magnier, P., Makarov, E.P., Mancuso, M., Marcillac, P.D., Marnieros, S., Marrache-Kikuchi, C., Menshikov, A., Nasonov, S.G., Navick, X.-F., Nones, C., Olivieri, E., Pari, P., Paul, B., Penichot, Y., Pessina, G., Piro, M.C., Plantevin, O., Redon, T., Robinson, M., Rodrigues, M., Rozov, S., Sanglard, V., Schmidt, B., Shlegel, V.N., Siebenborn, B., Strazzer, O., Tcherniakhovski, D., Tenconi, M., Torres, L., Tretyak, V.I., Vagneron, L., Vasiliev, Y.V., Velazquez, M., Viraphong, O., Walker, R.J., Weber, M., Yakushev, E., Zhang, X., Zhdankov, V.N., Collaboration, L., and Collaboration, E.

Abstract

The technology of scintillating bolometers based on zinc molybdate (ZnMoO4) crystals is under development within the LUMINEU project to search for decay of 100Mo with the goal to set the basis for large scale experiments capable to explore the inverted hierarchy region of the neutrino mass pattern. Advanced ZnMoO4 crystal scintillators with mass of ∼0.3 kg were developed and Zn100MoO4 crystal from enriched 100Mo was produced for the first time by using the low-thermal-gradient Czochralski technique. One ZnMoO4 scintillator and two samples (59 g and 63 g) cut from the enriched boule were tested aboveground at milli-Kelvin temperature as scintillating bolometers showing a high detection performance. The first results of the low background measurements with three ZnMoO4 and two enriched detectors installed in the EDELWEISS set-up at the Modane Underground Laboratory (France) are presented.

Published
2016

10. Development of $$^{100}\hbox {Mo}$$ 100 Mo -containing scintillating bolometers for a high-sensitivity neutrinoless double-beta decay search

Author

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

Published
2017
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11. LUMINEU: a search for neutrinoless double beta decay based on ZnMoO$_4$ scintillating bolometers

Author

Armengaud, E., Arnaud, Q., Augier, C., Benoît, A., Bergé, L., Boiko, S., Bergmann, T., Blümer, J., Broniatowski, A., Brudanin, V., Camus, P., Cazes, A., Chapellier, M., Charlieux, F., Chernyak, D. M., Coron, N., Coulter, P., Danevich, F. A., De Boissiére, T., Decourt, R., De Jesus, M., Devoyon, L., Drillien, A. A., Dumoulin, L., Eitel, K., Enss, C., Filosofov, D., Fleischmann, A., Foerster, N., Fourches, N., Gascon, J., Gastaldo, L., Gerbier, G., Giuliani, ANDREA ERNESTO GUIDO, Gray, D., Gros, M., Hehn, L., Henry, S., Hervé, S., Heuermann, G., Humbert, V., Ivanov, I. M., Juillard, A., Kéfélian, C., Kleifges, M., Kluck, H., Kobychev, V. V., Koskas, F., Kozlov, V., Kraus, H., Kudryavtsev, V. A., Le Sueur, H., Loidl, M., Magnier, P., Makarov, E. P., Mancuso, Michele, De Marcillac, P., Marnieros, S., Marrache Kikuchi, C., Menshikov, A., Nasonov, S. G., Navick, X. F., Nones, C., Olivieri, E., Pari, P., Paul, B., Penichot, Y., Pessina, G., Piro, M. C., Plantevin, O., Poda, D. V., Redon, T., Robinson, M., Rodrigues, M., Rozov, S., Sanglard, V., Schmidt, B., Scorza, S., Shlegel, V. N., Siebenborn, B., Strazzer, O., Tcherniakhovski, D., Tenconi, M., Torres, L., Tretyak, V. I., Vagneron, L., Vasiliev, Y. a. V., Velazquez, M., Viraphong, O., Walker, R. J., Weber, M., Yakushev, E., Zhang, X., Zhdankov, V. N., 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 Nucléaire de Lyon (IPNL), 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), 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 Néel (NEEL), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS), Institut d'astrophysique spatiale (IAS), Université Paris-Sud - Paris 11 (UP11)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Université de Bordeaux (UB), Laboratoire d'Intégration des Systèmes et des Technologies (LIST), Direction de Recherche Technologique (CEA) (DRT (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), 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), Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF), Université Paris-Saclay-Direction de Recherche Technologique (CEA) (DRT (CEA)), 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 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 ), Institut Néel ( NEEL ), Université Grenoble Alpes [Saint Martin d'Hères]-Centre National de la Recherche Scientifique ( CNRS ), Institut d'astrophysique spatiale ( IAS ), Université Paris-Sud - Paris 11 ( UP11 ) -Institut national des sciences de l'Univers ( INSU - CNRS ) -Centre National de la Recherche Scientifique ( CNRS ), Université de Bordeaux ( UB ), Laboratoire d'Intégration des Systèmes et des Technologies ( LIST ), 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]), Karlsruhe Institute of Technology (KIT), Joint Institute for Nuclear Research (JINR), Cryogénie (NEEL - Cryo), Kiev Institute for Nuclear Research (KINR), Ukrainian Academy of Sciences, Université Paris-Sud - Paris 11 (UP11)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Centre National d’Études Spatiales [Paris] (CNES), University of Oxford, Kirchhoff Institut für Physik, Universität Heidelberg [Heidelberg] = Heidelberg University, Nikolaev Institute of Inorganic Chemistry [Novosibirsk] (NIC), Siberian Branch of the Russian Academy of Sciences (SB RAS), University of Sheffield [Sheffield], Laboratoire National Henri Becquerel (LNHB), Département Métrologie Instrumentation & Information (DM2I), Laboratoire d'Intégration des Systèmes et des Technologies (LIST (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Direction de Recherche Technologique (CEA) (DRT (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Laboratoire d'Intégration des Systèmes et des Technologies (LIST (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Département d'instrumentation Numérique (DIN (CEA-LIST)), Istituto Nazionale di Fisica Nucleare, Sezione di Milano (INFN), Istituto Nazionale di Fisica Nucleare (INFN), CML Ltd., University of Torino, INFN, and Fornengo, Nicolao (ed.) (University of Torino and INFN)

Subjects
History, Physics - Instrumentation and Detectors, design, hierarchy, 7. Clean energy, 01 natural sciences, neutrino mass, law.invention, Crystal, molybdenum, law, energy resolution: measured, beta-rays, neutrino: mass, Nuclear Experiment (nucl-ex), [ PHYS.NEXP ] Physics [physics]/Nuclear Experiment [nucl-ex], Nuclear Experiment, [ PHYS.PHYS.PHYS-INS-DET ] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], nuclear instrumentation, Physics, instrumentation, Detector, Resolution (electron density), double-beta decay, Instrumentation and Detectors (physics.ins-det), high energy resolution, 3. Good health, Computer Science Applications, particle: interaction, experimental equipment, radioactivity, technology, Neutrino, ionizing radiation, performance, FOS: Physical sciences, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Education, crystal, Nuclear physics, interaction particle, Physics and Astronomy (all), bolometer, double-beta decay: (0neutrino), Double beta decay, 0103 physical sciences, Sensitivity (control systems), [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], 010306 general physics, scintillation counter, detector, 010308 nuclear & particles physics, background, Bolometer, Neutrinoless, sensitivity, energy resolution: high, Energy (signal processing), experimental results
Abstract

The LUMINEU is designed to investigate the possibility to search for neutrinoless double beta decay in $^{100}$Mo by means of a large array of scintillating bolometers based on ZnMoO$_4$ crystals enriched in $^{100}$Mo. High energy resolution and relatively fast detectors, which are able to measure both the light and the heat generated upon the interaction of a particle in a crystal, are very promising for the recognition and rejection of background events. We present the LUMINEU concepts and the experimental results achieved aboveground and underground with large-mass natural and enriched crystals. The measured energy resolution, the $\alpha/\beta$ discrimination power and the radioactive internal contamination are all within the specifications for the projected final LUMINEU sensitivity. Simulations and preliminary results confirm that the LUMINEU technology can reach zero background in the region of interest (around 3 MeV) with exposures of the order of hundreds kg$\times$years, setting the bases for a next generation $0\nu2\beta$ decay experiment capable to explore the inverted hierarchy region of the neutrino mass pattern., Comment: 5 pages, 3 figures, submitted as proceedings of the TAUP 2015 conference

Published
2015

12. Scintillating bolometers based on ZnMoO$_4$ and Zn$^{100}$MoO$_4$ crystals to search for 0$\nu$2$\beta$ decay of $^{100}$Mo (LUMINEU project): first tests at the Modane Underground Laboratory

Author

Poda, D. V., Armengaud, E., Arnaud, Q., Augier, C., Benoît, A., Bergé, L., Boiko, R. S., Bergmann, T., Blümer, J., Broniatowski, A., Brudanin, V., Camus, P., Cazesb, A., Chapellier, M., Charlieux, F., Chernyak, D. M., Coron, N., Coulter, P., Danevich, F. A., de Boissière, T., Decourt, R., De Jesus, M., Devoyon, L., Drillien, A. A., Dumoulin, L., Eitel, K., Enss, C., Filosofov, D., Fleischmann, A., Foerster, N., Fourches, N., Gascon, J., Gastaldo, L., Gerbier, G., Giuliani, ANDREA ERNESTO GUIDO, Gray, D., Gros, M., Hehn, L., Henry, S., Hervé, S., Heuermann, G., Humbert, V., Ivanov, I. M., Juillard, A., Kéfélian, C., Kleifges, M., Kluck, H., Kobychev, V. V., Koskas, F., Kozlov, V., Kraus, H., Kudryavtsev, V. A., Le Sueur, H., Loidl, M., Magnier, P., Makarov, E. P., Mancuso, M., de Marcillac, P., Marnieros, S., Marrache Kikuchi, C., Menshikov, A., Nasonov, S. G., Navick, X. F., Nones, C., Olivieri, E., Pari, P., Paul, B., Penichot, Y., Pessina, G., Piro, M. C., Plantevin, O., Redon, T., Robinson, M., Rodrigues, M., Rozov, S., Sanglard, V., Schmidt, B., Scorza, S., Shlegel, V. N., Siebenborn, B., Strazzer, O., Tcherniakhovski, D., Tenconi, M., Torres, L., Tretyak, V. I., Vagneron, L., Vasiliev, Y. a. V., Velazquez, M., Viraphong, O., Walker, R. J., Weber, M., Yakushev, E., Zhang, X., Zhdankov, V. N., Girod, Dominique, 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), CSNSM PS1, Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse (CSNSM), 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)-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)-Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), 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 Nucléaire de Lyon (IPNL), 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), CSNSM INSTRU, 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)-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), CSNSM MECA, 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)-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), EDELWEISS, LUMINEU program, 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)-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)-Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), Université Claude Bernard Lyon 1 (UCBL), and 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)

Subjects
Particle physics, Nuclear and High Energy Physics, Physics - Instrumentation and Detectors, Zinc molybdate, [PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], Scintillator, EDELWEISS, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 7. Clean energy, 01 natural sciences, law.invention, Nuclear physics, Crystal, chemistry.chemical_compound, law, Double beta decay, 0103 physical sciences, Scintillating bolometer, 010306 general physics, Nuclear Experiment, Physics, 010308 nuclear & particles physics, Bolometer, Low counting experiment, ZnMoO4 crystal scintillator, chemistry, Underground laboratory, Neutrino
Abstract

The technology of scintillating bolometers based on zinc molybdate (ZnMoO$_4$) crystals is under development within the LUMINEU project to search for 0$\nu$2$\beta$ decay of $^{100}$Mo with the goal to set the basis for large scale experiments capable to explore the inverted hierarchy region of the neutrino mass pattern. Advanced ZnMoO$_4$ crystal scintillators with mass of $\sim$~0.3 kg were developed and Zn$^{100}$MoO$_4$ crystal from enriched $^{100}$Mo was produced for the first time by using the low-thermal-gradient Czochralski technique. One ZnMoO$_4$ scintillator and two samples (59 g and 63 g) cut from the enriched boule were tested aboveground at milli-Kelvin temperature as scintillating bolometers showing a high detection performance. The first results of the low background measurements with three ZnMoO$_4$ and two enriched detectors installed in the EDELWEISS set-up at the Modane Underground Laboratory (France) are presented., Comment: 7 pages, 5 figures, Contribution to the proceedings of the 37th International Conference on High Energy Physics (ICHEP 2014), Valencia, Spain, 2-9 July 2014

Published
2014

13. LUMINEU: a search for neutrinoless double beta decay based on ZnMoO4scintillating bolometers

Author

Armengaud, E, primary, Arnaud, Q, additional, Augier, C, additional, Benoît, A, additional, Bergé S Boiko, L, additional, Bergmann, T, additional, Blümer, J, additional, Broniatowski, A, additional, Brudanin, V, additional, Camus, P, additional, Cazes, A, additional, Chapellier, M, additional, Charlieux, F, additional, Chernyak, D M, additional, Coron, N, additional, Coulter, P, additional, Danevich, F A, additional, Boissiére, T de, additional, Decourt, R, additional, Jesus, M De, additional, Devoyon, L, additional, Drillien, A - A, additional, Dumoulin, L, additional, Eitel, K, additional, Enss, C, additional, Filosofov, D, additional, Fleischmann, A, additional, Foerster, N, additional, Fourches, N, additional, Gascon, J, additional, Gastaldo, L, additional, Gerbier, G, additional, Giuliani, A, additional, Gray, D, additional, Gros, M, additional, Hehn, L, additional, Henry, S, additional, Hervé, S, additional, Heuermann, G, additional, Humbert, V, additional, Ivanov, I M, additional, Juillard, A, additional, Kéfélian, C, additional, Kleifges, M, additional, Kluck, H, additional, Kobychev, V V, additional, Koskas, F, additional, Kozlov, V, additional, Kraus, H, additional, Kudryavtsev, V A, additional, Le Sueur, H, additional, Loidl, M, additional, Magnier, P, additional, Makarov, E P, additional, Mancuso, M, additional, Marcillac, P de, additional, Marnieros, S, additional, Marrache-Kikuchi, C, additional, Menshikov, A, additional, Nasonov, S G, additional, Navick, X - F, additional, Nones, C, additional, Olivieri, E, additional, Pari, P, additional, Paul, B, additional, Penichot, Y, additional, Pessina, G, additional, Piro, M C, additional, Plantevin, O, additional, Poda, D V, additional, Redon, T, additional, Robinson, M, additional, Rodrigues, M, additional, Rozov, S, additional, Sanglard, V, additional, Schmidt, B, additional, Scorza, S, additional, Shlegel, V N, additional, Siebenborn, B, additional, Strazzer, O, additional, Tcherniakhovski, D, additional, Tenconi, M, additional, Torres, L, additional, Tretyak, V I, additional, Vagneron, L, additional, Vasiliev, Ya V, additional, Velazquez, M, additional, Viraphong, O, additional, Walker, R J, additional, Weber, M, additional, Yakushev, E, additional, Zhang, X, additional, and Zhdankov, V N, additional

Published
2016
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14. Development and underground test of radiopure ZnMoO4scintillating bolometers for the LUMINEU 0ν2β project

Author

Armengaud, E., primary, Arnaud, Q., additional, Augier, C., additional, Benoît, A., additional, Bergé, L., additional, Boiko, R.S., additional, Bergmann, T., additional, Blümer, J., additional, Broniatowski, A., additional, Brudanin, V., additional, Camus, P., additional, Cazes, A., additional, Chapellier, M., additional, Charlieux, F., additional, Chernyak, D.M., additional, Coron, N., additional, Coulter, P., additional, Danevich, F.A., additional, de Boissière, T., additional, Decourt, R., additional, Jesus, M. De, additional, Devoyon, L., additional, Drillien, A.-A., additional, Dumoulin, L., additional, Eitel, K., additional, Enss, C., additional, Filosofov, D., additional, Fleischmann, A., additional, Foerster, N., additional, Fourches, N., additional, Gascon, J., additional, Gastaldo, L., additional, Gerbier, G., additional, Giuliani, A., additional, Gray, D., additional, Gros, M., additional, Hehn, L., additional, Henry, S., additional, Hervé, S., additional, Heuermann, G., additional, Humbert, V., additional, Ivanov, I.M., additional, Juillard, A., additional, Kéfélian, C., additional, Kleifges, M., additional, Kluck, H., additional, Kobychev, V.V., additional, Koskas, F., additional, Kozlov, V., additional, Kraus, H., additional, Kudryavtsev, V.A., additional, Sueur, H. Le, additional, Loidl, M., additional, Magnier, P., additional, Makarov, E.P., additional, Mancuso, M., additional, de Marcillac, P., additional, Marnieros, S., additional, Marrache-Kikuchi, C., additional, Menshikov, A., additional, Nasonov, S.G., additional, Navick, X.-F., additional, Nones, C., additional, Olivieri, E., additional, Pari, P., additional, Paul, B., additional, Penichot, Y., additional, Pessina, G., additional, Piro, M.C., additional, Plantevin, O., additional, Poda, D.V., additional, Redon, T., additional, Robinson, M., additional, Rodrigues, M., additional, Rozov, S., additional, Sanglard, V., additional, Schmidt, B., additional, Scorza, S., additional, Shlegel, V.N., additional, Siebenborn, B., additional, Strazzer, O., additional, Tcherniakhovski, D., additional, Tenconi, M., additional, Torres, L., additional, Tretyak, V.I., additional, Vagneron, L., additional, Vasiliev, Ya.V., additional, Velazquez, M., additional, Viraphong, O., additional, Walker, R.J., additional, Weber, M., additional, Yakushev, E., additional, Zhang, X., additional, and Zhdankov, V.N., additional

Published
2015
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15. Status of LUMINEU program to search for neutrinoless double beta decay of 100Mo with cryogenic ZnMoO4 scintillating bolometers

Author

Danevich, F. A., primary, Bergé, L., additional, Boiko, R. S., additional, Chapellier, M., additional, Chernyak, D. M., additional, Coron, N., additional, Devoyon, L., additional, Drillien, A.-A., additional, Dumoulin, L., additional, Enss, C., additional, Fleischmann, A., additional, Gastaldo, L., additional, Giuliani, A., additional, Gray, D., additional, Gros, M., additional, Hervé, S., additional, Humbert, V., additional, Ivanov, I. M., additional, Juillard, A., additional, Kobychev, V. V., additional, Koskas, F., additional, Loidl, M., additional, Magnier, P., additional, Makarov, E. P., additional, Mancuso, M., additional, de Marcillac, P., additional, Marnieros, S., additional, Marrache-Kikuchi, C., additional, Navick, X.-F., additional, Nones, C., additional, Olivieri, E., additional, Paul, B., additional, Penichot, Y., additional, Pessina, G., additional, Plantevin, O., additional, Poda, D. V., additional, Redon, T., additional, Rodrigues, M., additional, Shlegel, V. N., additional, Strazzer, O., additional, Tenconi, M., additional, Torres, L., additional, Tretyak, V. I., additional, Vasiliev, Ya. V., additional, Velazquez, M., additional, and Viraphong, O., additional

Published
2015
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16. Radiopure ZnMoO4 scintillating bolometers for the LUMINEU double-beta experiment

Author

Poda, D. V., primary, Armengaud, E., additional, Arnaud, Q., additional, Augier, C., additional, Barabash, A. S., additional, Benoît, A., additional, Bergé, L., additional, Boiko, R. S., additional, Bergmann, T., additional, Blümer, J., additional, Broniatowski, A., additional, Brudanin, V., additional, Camus, P., additional, Cazes, A., additional, Censier, B., additional, Chapellier, M., additional, Charlieux, F., additional, Chernyak, D. M., additional, Coron, N., additional, Coulter, P., additional, Cox, G. A., additional, Danevich, F. A., additional, de Boissière, T., additional, Decourt, R., additional, De Jesus, M., additional, Devoyon, L., additional, Drillien, A.-A., additional, Dumoulin, L., additional, Eitel, K., additional, Enss, C., additional, Filosofov, D., additional, Fleischmann, A., additional, Fourches, N., additional, Gascon, J., additional, Gastaldo, L., additional, Gerbier, G., additional, Giuliani, A., additional, Gros, M., additional, Hehn, L., additional, Henry, S., additional, Hervé, S., additional, Heuermann, G., additional, Humbert, V., additional, Ivanov, I. M., additional, Juillard, A., additional, Kéfélian, C., additional, Kleifges, M., additional, Kluck, H., additional, Kobychev, V. V., additional, Koskas, F., additional, Kozlov, V., additional, Kraus, H., additional, Kudryavtsev, V. A., additional, Le Sueur, H., additional, Loidl, M., additional, Magnier, P., additional, Makarov, E. P., additional, Mancuso, M., additional, de Marcillac, P., additional, Marnieros, S., additional, Marrache-Kikuchi, C., additional, Menshikov, A., additional, Nasonov, S. G., additional, Navick, X-F., additional, Nones, C., additional, Olivieri, E., additional, Pari, P., additional, Paul, B., additional, Penichot, Y., additional, Pessina, G., additional, Piro, M. C., additional, Plantevin, O., additional, Redon, T., additional, Robinson, M., additional, Rodrigues, M., additional, Rozov, S., additional, Sanglard, V., additional, Schmidt, B., additional, Shlegel, V. N., additional, Siebenborn, B., additional, Strazzer, O., additional, Tcherniakhovski, D., additional, Tenconi, M., additional, Torres, L., additional, Tretyak, V. I., additional, Vagneron, L., additional, Vasiliev, Ya. V., additional, Velazquez, M., additional, Viraphong, O., additional, Walker, R. J., additional, Weber, M., additional, Yakushev, E., additional, Zhang, X., additional, and Zhdankov, V. N., additional

Published
2015
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17. Purification of molybdenum, growth and characterization of medium volume ZnMoO4crystals for the LUMINEU program

Author

Bergé, L, primary, Boiko, R S, additional, Chapellier, M, additional, Chernyak, D M, additional, Coron, N, additional, Danevich, F A, additional, Decourt, R, additional, Degoda, V Ya, additional, Devoyon, L, additional, Drillien, A, additional, Dumoulin, L, additional, Enss, C, additional, Fleischmann, A, additional, Gastaldo, L, additional, Giuliani, A, additional, Gros, M, additional, Herve, S, additional, Humbert, V, additional, Ivanov, I M, additional, Kobychev, V V, additional, Kogut, Ya P, additional, Koskas, F, additional, Loidl, M, additional, Magnier, P, additional, Makarov, E P, additional, Mancuso, M, additional, de Marcillac, P, additional, Marnieros, S, additional, Marrache-Kikuchi, C, additional, Nasonov, S G, additional, Navick, X F, additional, Nones, C, additional, Olivieri, E, additional, Paul, B, additional, Penichot, Y, additional, Pessina, G, additional, Plantevin, O, additional, Poda, D V, additional, Redon, T, additional, Rodrigues, M, additional, Shlegel, V N, additional, Strazzer, O, additional, Tenconi, M, additional, Torres, L, additional, Tretyak, V I, additional, Vasiliev, Ya V, additional, Velazquez, M, additional, Viraphong, O, additional, and Zhdankov, V N, additional

Published
2014
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18. Development and underground test of radiopure ZnMoO4 scintillating bolometers for the LUMINEU 0 nu 2 beta project

Author

J. Gascon, R. J. Walker, O. Plantevin, A. A. Drillien, V.N. Shlegel, M. Gros, S. Marnieros, K. Eitel, V. Kozlov, Christian Enss, M. Kleifges, B. Paul, T. de Boissière, C. Nones, C. Augier, L. Hehn, E. Olivieri, E. Yakushev, P. Coulter, C. Kéfélian, V. Humbert, G. Gerbier, M. Rodrigues, M. Chapellier, N. Foerster, A. Giuliani, S. Scorza, V. B. Brudanin, G. Heuermann, T. Redon, F. Koskas, L. Dumoulin, P. de Marcillac, Claire A. Marrache-Kikuchi, P. Magnier, S. Hervé, N. Fourches, L. Vagneron, H. Kraus, V.N. Zhdankov, A. Menshikov, M.-C. Piro, Max Robinson, Y. Penichot, X-F. Navick, Matias Velázquez, I.M. Ivanov, V. V. Kobychev, P. Pari, A. Broniatowski, R. Decourt, A. Cazes, D. Filosofov, A. Fleischmann, Oudomsack Viraphong, O. Strazzer, Denis Tcherniakhovski, G. Pessina, D. Gray, L. Gastaldo, Noël Coron, M. Loidl, Ph. Camus, L. Bergé, Alain Benoit, E.P. Makarov, V. A. Kudryavtsev, D.M. Chernyak, S. Henry, E. Armengaud, L. Devoyon, B. Schmidt, F.A. Danevich, Ya.V. Vasiliev, J. Blümer, M. Mancuso, R.S. Boiko, M. De Jesus, M. Tenconi, S. V. Rozov, Marc Weber, D.V. Poda, V.I. Tretyak, H. Kluck, T. Bergmann, Q. Arnaud, H. Le Sueur, X. Zhang, V. Sanglard, B. Siebenborn, A. Juillard, S.G. Nasonov, F. Charlieux, L. Torres, 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 Nucléaire de Lyon (IPNL), 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), Hélium : du fondamental aux applications (HELFA), Institut Néel (NEEL), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF), Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), 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), Kiev Institute for Nuclear Research (KINR), Ukrainian Academy of Sciences, Karlsruhe Institute of Technology (KIT), Dzhelepov Laboratory of Nuclear Problems [Dubna] (DLNP), Joint Institute for Nuclear Research (JINR), Cryogénie (Cryo), Institut d'astrophysique spatiale (IAS), Université Paris-Sud - Paris 11 (UP11)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), University of Oxford [Oxford], Institut de Chimie de la Matière Condensée de Bordeaux (ICMCB), Université de Bordeaux (UB)-Institut Polytechnique de Bordeaux-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Karlsruher Institut für Technologie (KIT), Kirchhoff Institute for Physics, Universität Heidelberg [Heidelberg], Nikolaev Institute of Inorganic Chemistry [Novosibirsk] (NIC), Siberian Branch of the Russian Academy of Sciences (SB RAS), University of Sheffield [Sheffield], Laboratoire National Henri Becquerel (LNHB), Département Métrologie Instrumentation & Information (DM2I), Laboratoire d'Intégration des Systèmes et des Technologies (LIST), Direction de Recherche Technologique (CEA) (DRT (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Direction de Recherche Technologique (CEA) (DRT (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Laboratoire d'Intégration des Systèmes et des Technologies (LIST), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Service de physique de l'état condensé (SPEC - UMR3680), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Istituto Nazionale di Fisica Nucleare, Sezione di Milano (INFN), Istituto Nazionale di Fisica Nucleare (INFN), Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut Polytechnique de Bordeaux-Université de Bordeaux (UB), CML Ltd, ANR-12-BS05-0004,LUMINEU,Expérience souterraine avec détecteurs luminescents de molybdate de zinc pour l'étude de la masse et la nature des neutrinos(2012), 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), Hélium : du fondamental aux applications (NEEL - HELFA), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS), 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), Cryogénie (NEEL - Cryo), Université Paris-Sud - Paris 11 (UP11)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Centre National d’Études Spatiales [Paris] (CNES), University of Oxford, Universität Heidelberg [Heidelberg] = Heidelberg University, Laboratoire d'Intégration des Systèmes et des Technologies (LIST (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Laboratoire d'Intégration des Systèmes et des Technologies (LIST (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Département d'instrumentation Numérique (DIN (CEA-LIST)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), HELFA - Hélium : du fondamental aux applications, Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), CSNSM PS1, Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse (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)-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)-Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), Laboratory of Particle Physics (JINR-DUBNA), Joint Institute for Nuclear Research, Cryo - Cryogénie, Université de Bordeaux (UB)-Institut Polytechnique de Bordeaux-Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Direction de Recherche Technologique (CEA) (DRT (CEA)), Institut Rayonnement Matière de Saclay (IRAMIS), Istituto Nazionale di Fisica Nucleare [Milano] (INFN), Joint Institute for Nuclear Research - Dubna, ANR-12-BS05-004,LUMINEU,Luminescent Underground Molybdenum Investigation for NEUtrino mass and nature, Armengaud, E, Arnaud, Q, Augier, C, Benoit, A, Berge, L, Boiko, R, Bergmann, T, Blumer, J, Broniatowski, A, Brudanin, V, Camus, P, Cazes, A, Chapellier, M, Charlieux, F, Chernyak, D, Coron, N, Coulter, P, Danevich, F, De Boissiere, T, Decourt, R, Jesus, M, Devoyon, L, Drillien, A, Dumoulin, L, Eitel, K, Enss, C, Filosofov, D, Fleischmann, A, Foerster, N, Fourches, N, Gascon, J, Gastaldo, L, Gerbier, G, Giuliani, A, Gray, D, Gros, M, Hehn, L, Henry, S, Herve, S, Heuermann, G, Humbert, V, Ivanov, I, Juillard, A, Kefelian, C, Kleifges, M, Kluck, H, Kobychev, V, Koskas, F, Kozlov, V, Kraus, H, Kudryavtsev, V, Sueur, H, Loidl, M, Magnier, P, Makarov, E, Mancuso, M, De Marcillac, P, Marnieros, S, Marrache-Kikuchi, C, Menshikov, A, Nasonov, S, Navick, X, Nones, C, Olivieri, E, Pari, P, Paul, B, Penichot, Y, Pessina, G, Piro, M, Plantevin, O, Poda, D, Redon, T, Robinson, M, Rodrigues, M, Rozov, S, Sanglard, V, Schmidt, B, Scorza, S, Shlegel, V, Siebenborn, B, Strazzer, O, Tcherniakhovski, D, Tenconi, M, Torres, L, Tretyak, V, Vagneron, L, Vasiliev, Y, Velazquez, M, Viraphong, O, Walker, R, Weber, M, Yakushev, E, Zhang, X, and Zhdankov, V

Subjects
gas and liquid scintillators), Zinc molybdate, Cryogenic detector, EDELWEISS, Scintillator, 01 natural sciences, Nuclear physics, CRYSTAL SCINTILLATORS, chemistry.chemical_compound, Double beta decay, 0103 physical sciences, Dilution refrigerator, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], [PHYS.COND]Physics [physics]/Condensed Matter [cond-mat], 010306 general physics, Instrumentation, GRADIENT CZOCHRALSKI TECHNIQUE, Mathematical Physics, Physics, TUNGSTATES, 010308 nuclear & particles physics, Hybrid detector, DOUBLE-BETA-DECAY, Hybrid detectors, Scintillators, scintillation and light emission processes (solid, gas and liquid scintillators), Double-beta decay detectors, Double-beta decay detector, DARK-MATTER SEARCH, scintillation and light emission processes (solid, RADIOACTIVE CONTAMINATION, Cryogenic detectors, chemistry, Scintillators, LUMINESCENCE, [PHYS.COND.CM-MS]Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci], PARTICLE PHYSICS, GROWTH, SINGLE-CRYSTALS, Neutrino, Isotopes of thorium, Radioactive decay
Abstract

International audience; The LUMINEU (Luminescent Underground Molybdenum Investigation for NEUtrino mass and nature) project envisages a high-sensitivity search for neutrinoless double beta (0 nu 2 beta) decay of Mo-100 with the help of scintillating bolometers based on zinc molybdate (ZnMoO4) crystals. One of the crucial points for the successful performance of this experiment is the development of a protocol for producing high quality large mass ZnMoO4 crystal scintillators with extremely high internal radiopurity. Here we report a significant progress in the development of large volume ZnMoO4 crystalline boules (with mass up to 1 kg) from deeply purified materials. We present and discuss the results achieved with two ZnMoO4 samples (with mass of about 0.3 kg each): one is a precursor of the LUMINEU project, while the other one was produced in the framework of LUMINEU with an improved purification / crystallization procedure. The two crystals were measured deep underground as scintillating bolometers in the EDELWEISS dilution refrigerator at the Laboratoire Souterrain de Modane (France) protected by a rock overburden corresponding to 4800 m w.e. The results indicate that both tested crystals are highly radiopure. However, the advanced LUMINEU sample shows a clear improvement with respect to the precursor, exhibiting only a trace internal contamination related with Po-210 at the level of 1 mBq/kg, while the activity of Ra-226 and Th-228 is below 0.005 mBq/kg. This demonstrates that the LUMINEU purification and crystal-growth procedures are very efficient and leads to radiopurity levels which exceedingly satisfy not only the LUMINEU goals but also the requirements of a next-generation 0 nu 2 beta experiment.

Published
2015

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