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1. Measurement of double-$\beta$ decay of $^{150}$Nd to the 0$^+_1$ excited state of $^{150}$Sm in NEMO-3

Author

Collaboration, NEMO-3, Aguerre, X., Arnold, R., Augier, C., Barabash, A. S., Basharina-Freshville, A., Blondel, S., Blot, S., Bongrand, M., Breier, R., Brudanin, V., Busto, J., Bystryakov, A., Caffrey, A. J., Cerna, C., Cesar, J. P., Ceschia, M., Chauveau, E., Chopra, A., Dawson, L., Duchesneau, D., Durand, D., Evans, J. J., Flack, R., Franchini, P., Garrido, X., Girard-Carillo, C., Guillon, B., Guzowski, P., Hoballah, M., Hodák, R., Hubert, P., Hussain, M. H., Jullian, S., Klimentko, A., Kochetov, O., Konovalov, S. I., Koňařík, F., Křižák, T., Lalanne, D., Lang, K., Lemière, Y., Li, P., Loaiza, P., Lutter, G., Macko, M., Mamedov, F., Marquet, C., Mauger, F., Minotti, A., Morgan, B., Nemchenok, I., Nomachi, M., Nowacki, F., Ohsumi, H., Oliviéro, G., Palušová, V., Patrick, C., Perrot, F., Petro, M., Pin, A., Piquemal, F., Povinec, P., Pratt, S., Přidal, P., Quinn, W. S., Ramachers, Y. A., Remoto, A., Reyss, J. L., Riddle, C. L., Rukhadze, E., Saakyan, R., Salamatin, A., Salazar, R., Sarazin, X., Sedgbeer, J., Shitov, Yu., Simard, L., Šimkovic, F., Smetana, A., Smolnikov, A., Söldner-Rembold, S., Štekl, I., Suhonen, J., Szklarz, G., Tedjditi, H., Thomas, J., Timkin, V., Tretyak, V. I., Umatov, V. I., Vanushin, I., Vereshchaka, Y., Vorobel, V., Waters, D., and Xie, F.

Subjects
Nuclear Experiment
Abstract

The NEMO-3 results for the double-$\beta$ decay of $^{150}$Nd to the 0$^+_1$ and 2$^+_1$ excited states of $^{150}$Sm are reported. The data recorded during 5.25 yr with 36.6 g of the isotope $^{150}$Nd are used in the analysis. For the first time, the signal of the $2\nu\beta\beta$ transition to the 0$^+_1$ excited state is detected with a statistical significance exceeding 5$\sigma$. The half-life is measured to be $T_{1/2}^{2\nu\beta\beta}(0^+_1) = \left[ 1.11 ^{+0.19}_{-0.14} \,\left(\mbox{stat}\right) ^{+0.17}_{-0.15}\, \left(\mbox{syst}\right) \right] \times10^{20}\,\mbox{yr}$. The limits are set on the $2\nu\beta\beta$ decay to the 2$^+_1$ level and on the $0\nu\beta\beta$ decay to the 0$^+_1$ and 2$^+_1$ levels of $^{150}$Sm., Comment: Minor corrections

Published
2022

2. Measurement of the double-β1501+150 decay of β1501+150Nd to the 0β1501+150 excited state of β1501+150Sm in NEMO-3

Author

Aguerre, X., Arnold, R., Augier, C., Barabash, A. S., Basharina-Freshville, A., Blondel, S., Blot, S., Bongrand, M., Breier, R., Brudanin, V., Busto, J., Bystryakov, A., Caffrey, A. J., Cerna, C., Cesar, J. P., Ceschia, M., Chauveau, E., Chopra, A., Dawson, L., Duchesneau, D., Durand, D., Evans, J. J., Flack, R., Franchini, P., Garrido, X., Girard-Carillo, C., Guillon, B., Guzowski, P., Hoballah, M., Hodák, R., Hubert, P., Hussain, M. H., Jullian, S., Klimenko, A., Kochetov, O., Konovalov, S. I., Koňařík, F., Křižák, T., Lalanne, D., Lang, K., Lemière, Y., Li, P., Loaiza, P., Lutter, G., Macko, M., Mamedov, F., Marquet, C., Mauger, F., Minotti, A., Morgan, B., Nemchenok, I., Nomachi, M., Nowacki, F., Ohsumi, H., Oliviéro, G., Palušová, V., Patrick, C., Perrot, F., Petro, M., Pin, A., Piquemal, F., Povinec, P., Pratt, S., Přidal, P., Quinn, W. S., Ramachers, Y. A., Remoto, A., Reyss, J. L., Riddle, C. L., Rukhadze, E., Saakyan, R., Salamatin, A., Salazar, R., Sarazin, X., Sedgbeer, J., Shitov, Yu., Simard, L., Šimkovic, F., Smetana, A., Smolnikov, A., Söldner-Rembold, S., Štekl, I., Suhonen, J., Szklarz, G., Tedjditi, H., Thomas, J., Timkin, V., Tretyak, V. I., Tretyak, V. I., Umatov, V. I., Vanushin, I., Vereshchaka, Y., Vorobel, V., Waters, D., and Xie, F.

Published
2023
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3. Measurement of the distribution of $^{207}$Bi depositions on calibration sources for SuperNEMO

Author

Arnold, R., Augier, C., Barabash, A. S., Basharina-Freshville, A., Birdsall, E., Blondel, S., Bongrand, M., Boursette, D., Breier, R., Brudanin, V., Busto, J., Calvez, S., Cerna, C., Cesar, J. P., Ceschia, M., Chapon, A., Chauveau, E., Chopra, A., Dawson, L., De Capua, S., Duchesneau, D., Durand, D., Eurin, G., Evans, J. J., Filosofov, D., Flack, R., Franchini, P., Girard-Carillo, C., Gómez, H., Guillon, B., Guzowski, P., Hoballah, M., Hodák, R., Hussain, M. H., Jeremie, A., Jullian, S., Kaizer, J., Klimenko, A., Kochetov, O., Konovalov, S. I., Kovalenko, V., Lalanne, D., Lang, K., Lemière, Y., Noblet, T. Le, Liptak, Z., Liu, X. R., Loaiza, P., Macko, M., Macolino, C., Marquet, C., Mauger, F., Minotti, A., Mora, Y., Morgan, B., Mott, J., Nemchenok, I., Nomachi, M., Nova, F., Nowacki, F., Ohsumi, H., Oliviéro, G., Pahlka, R. B., Palušová, V., Patrick, C., Perrot, F., Pin, A., Piquemal, F., Povinec, P., Proga, M., Quinn, W. S., Ramachers, Y. A., Remoto, A., Reyss, J. L., Saakyan, R., Salamatin, A., Salazar, R., Sarazin, X., Sedgbeer, J., Shitov, Yu., Simard, L., Šimkovic, F., Smolnikov, A., Söldner-Rembold, S., Štekl, I., Suhonen, J., Sutton, C. S., Szklarz, G., Tedjditi, H., Thomas, J., Timkin, V., Torre, S., Tretyak, Vl. I., Tretyak, V. I., Umatov, V. I., Vilela, C., Vorobel, V., Waters, D., Xie, F., and Žemlička, J.

Subjects
Physics - Instrumentation and Detectors
Abstract

The SuperNEMO experiment will search for neutrinoless double-beta decay ($0\nu\beta\beta$), and study the Standard-Model double-beta decay process ($2\nu\beta\beta$). The SuperNEMO technology can measure the energy of each of the electrons produced in a double-beta ($\beta\beta$) decay, and can reconstruct the topology of their individual tracks. The study of the double-beta decay spectrum requires very accurate energy calibration to be carried out periodically. The SuperNEMO Demonstrator Module will be calibrated using 42 calibration sources, each consisting of a droplet of $^{207}$Bi within a frame assembly. The quality of these sources, which depends upon the entire $^{207}$Bi droplet being contained within the frame, is key for correctly calibrating SuperNEMO's energy response. In this paper, we present a novel method for precisely measuring the exact geometry of the deposition of $^{207}$Bi droplets within the frames, using Timepix pixel detectors. We studied 49 different sources and selected 42 high-quality sources with the most central source positioning., Comment: 16 pages, 12 figures, submitted to JINST, response to reviewer comments

Published
2021
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4. Search for Periodic Modulations of the Rate of Double-Beta Decay of $^{100}$Mo in the NEMO-3 Detector

Author

Collaboration, NEMO-3, Arnold, R., Augier, C., Barabash, A. S., Basharina-Freshville, A., Blondel, S., Blot, S., Bongrand, M., Boursette, D., Breier, R., Brudanin, V., Busto, J., Caffrey, A. J., Calvez, S., Cerna, C., Cesar, J. P., Ceschia, M., Chapon, A., Chauveau, E., Chopra, A., Dawson, L., Duchesneau, D., Durand, D., Eurin, G., Evans, J. J., Fajt, L., Filosofov, D., Flack, R., Franchini, P., Garrido, X., Girard-Carillo, C., Gómez, H., Guillon, B., Guzowski, P., Hodák, R., Huber, A., Hubert, P., Hugon, C., Hussain, M. H., Jullian, S., Klimenko, A., Kochetov, O., Konovalov, S. I., Kovalenko, V., Lalanne, D., Lang, K., Lemière, Y., Noblet, T. Le, Liptak, Z., Liu, X. R., Loaiza, P., Lutter, G., Macko, M., Macolino, C., Mamedov, F., Marquet, C., Mauger, F., Minotti, A., Morgan, B., Mott, J., Nemchenok, I., Nomachi, M., Nova, F., Nowacki, F., Ohsumi, H., Oliviéro, G., Pahlka, R. B., Palusova, V., Patrick, C., Perrot, F., Pin, A., Piquemal, F., Povinec, P., Přidal, P., Quinn, W. S., Ramachers, Y. A., Remoto, A., Reyss, J. L., Riddle, C. L., Rukhadze, E., Saakyan, R., Salamatin, A., Salazar, R., Sarazin, X., Sedgbeer, J., Shitov, Yu., Simard, L., Šimkovic, F., Smetana, A., Smolnikov, A., Söldner-Rembold, S., Soulé, B., Štekl, I., Suhonen, J., Sutton, C. S., Szklarz, G., Tedjditi, H., Thomas, J., Timkin, V., Torre, S., Tretyak, Vl. I., Tretyak, V. I., Umatov, V. I., Vanushin, I., Vilela, C., Vorobel, V., Waters, D., and Xie, F.

Subjects
Nuclear Experiment, High Energy Physics - Experiment
Abstract

Double-beta decays of $^{100}$Mo from the 6.0195-year exposure of a 6.914 kg high-purity sample were recorded by the NEMO-3 experiment that searched for neutrinoless double-beta decays. These ultra-rare transitions to $^{100}$Ru have a half-life of approximately $7\times10^{18}$ years, and have been used to conduct the first ever search for periodic variations of this decay mode. The Lomb-Scargle periodogram technique, and its error-weighted extension, were employed to look for periodic modulations of the half-life. Monte Carlo modeling was used to study the modulation sensitivity of the data over a broad range of amplitudes and frequencies. Data show no evidence of modulations with amplitude greater than 2.5% in the frequency range of $0.33225\,{\rm y^{-1}}$ to $365.25\,{\rm y^{-1}}$.

Published
2020

5. Search for the double-beta decay of 82Se to the excited states of 82Kr with NEMO-3

Author

Arnold, The NEMO-3 collaboration R., Augier, C., Barabash, A. S., Basharina-Freshville, A., Blondel, S., Blot, S., Bongrand, M., Boursette, D., Breier, R., Brudanin, V., Busto, J., Caffrey, A. J., Calvez, S., Cascella, M., Cerna, C., Cesar, J. P., Chapon, A., Chauveau, E., Chopra, A., Dawson, L., Duchesneau, D., Durand, D., Egorov, V., Eurin, G., Evans, J. J., Fajt, L., Filosofov, D., Flack, R., Garrido, X., Girard-Carillo, C., Gómez, H., Guillon, B., Guzowski, P., Hodak, R., Huber, A., Hubert, P., Hugon, C., Jullian, S., Klimenko, A., Kochetov, O., Konovalov, S. I., Kovalenko, V., Lalanne, D., Lang, K., Lemière, Y., Noblet, T. Le, Liptak, Z., Liu, X. R., Loaiza, P., Lutter, G., Macko, M., Macolino, C., Mamedov, F., Marquet, C., Mauger, F., Minotti, A., Morgan, B., Mott, J., Nemchenok, I., Nomachi, M., Nova, F., Nowacki, F., Ohsumi, H., Oliviéro, G., Pahlka, R. B., Palusova, V., Patrick, C., Perrot, F., Pin, A., Piquemal, F., Povinec, P., Přidal, P., Ramachers, Y. A., Remoto, A., Reyss, J. L., Richards, B., Riddle, C. L., Rukhadze, E., Saakyan, R., Salazar, R., Sarazin, X., Sedgbeer, J., Shitov, Yu., Simard, L., Simkovic, F., Smetana, A., Smolek, K., Smolnikov, A., Söldner-Rembold, S., Soulé, B., Štekl, I., Suhonen, J., Sutton, C. S., Szklarz, G., Tedjditi, H., Thomas, J., Timkin, V., Torre, S., Tretyak, Vl. I., Tretyak, V. I., Umatov, V. I., Vanushin, I., Vilela, C., Vorobela, V., Waters, D., Xie, F., and Žukauskas, A.

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

The double-beta decay of 82Se to the 0+1 excited state of 82Kr has been studied with the NEMO-3 detector using 0.93 kg of enriched 82Se measured for 4.75 y, corresponding to an exposure of 4.42 kg y. A dedicated analysis to reconstruct the gamma-rays has been performed to search for events in the 2e2g channel. No evidence of a 2nbb decay to the 0+1 state has been observed and a limit of T2n 1/2(82Se; 0+gs -> 0+1) > 1.3 1021 y at 90% CL has been set. Concerning the 0nbb decay to the 0+1 state, a limit for this decay has been obtained with T0n 1/2(82Se; 0+g s -> 0+1) > 2.3 1022 y at 90% CL, independently from the 2nbb decay process. These results are obtained for the first time with a tracko-calo detector, reconstructing every particle in the final state.

Published
2020
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6. Detailed studies of $^{100}$Mo two-neutrino double beta decay in NEMO-3

Author

Collaboration, NEMO-3, Arnold, R., Augier, C., Barabash, A. S., Basharina-Freshville, A., Blondel, S., Blot, S., Bongrand, M., Boursette, D., Brudanin, V., Busto, J., Caffrey, A. J., Calvez, S., Cascella, M., Cerna, C., Cesar, J. P., Chapon, A., Chauveau, E., Chopra, A., Dawson, L., Duchesneau, D., Durand, D., Dvornický, R., Egorov, V., Eurin, G., Evans, J. J., Fajt, L., Filosofov, D., Flack, R., Garrido, X., Girard-Carillo, C., Gómez, H., Guillon, B., Guzowski, P., Hodák, R., Huber, A., Hubert, P., Hugon, C., Jullian, S., Kochetov, O., Konovalov, S. I., Kovalenko, V., Lalanne, D., Lang, K., Lemière, Y., Noblet, T. Le, Liptak, Z., Liu, X. R., Loaiza, P., Lutter, G., Macko, M., Macolino, C., Mamedov, F., Marquet, C., Mauger, F., Minotti, A., Morgan, B., Mott, J., Nemchenok, I., Nomachi, M., Nova, F., Nowacki, F., Ohsumi, H., Oliviéro, G., Pahlka, R. B., Patrick, C., Perrot, F., Pin, A., Piquemal, F., Povinec, P., Přidal, P., Ramachers, Y. A., Remoto, A., Reyss, J. L., Riddle, C. L., Rukhadze, E., Saakyan, R., Salamatin, A., Salazar, R., Sarazin, X., Sedgbeer, J., Shitov, Yu., Simard, L., Šimkovic, F., Smetana, A., Smolek, K., Smolnikov, A., Söldner-Rembold, S., Soulé, B., Štekl, I., Suhonen, J., Sutton, C. S., Szklarz, G., Tedjditi, H., Thomas, J., Timkin, V., Torre, S., Tretyak, Vl. I., Tretyak, V. I., Umatov, V. I., Vanushin, I., Vilela, C., Vorobel, V., Waters, D., Xie, F., and Žukauskas, A.

Subjects
Nuclear Experiment
Abstract

The full data set of the NEMO-3 experiment has been used to measure the half-life of the two-neutrino double beta decay of $^{100}$Mo to the ground state of $^{100}$Ru, $T_{1/2} = \left[ 6.81 \pm 0.01\,\left(\mbox{stat}\right) ^{+0.38}_{-0.40}\,\left(\mbox{syst}\right) \right] \times10^{18}$ y. The two-electron energy sum, single electron energy spectra and distribution of the angle between the electrons are presented with an unprecedented statistics of $5\times10^5$ events and a signal-to-background ratio of ~80. Clear evidence for the Single State Dominance model is found for this nuclear transition. Limits on Majoron emitting neutrinoless double beta decay modes with spectral indices of n=2,3,7, as well as constraints on Lorentz invariance violation and on the bosonic neutrino contribution to the two-neutrino double beta decay mode are obtained., Comment: 11 pages, 9 figures

Published
2019
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7. The open LPC Paul trap for precision measurements in beta decay

Author

Delahaye, P., Ban, G., Benali, M., Durand, D., Fabian, X., Fléchard, X., Herbane, M., Liénard, E., Mauger, F., Méry, A., Merrer, Y., Naviliat-Cuncic, O., Quéméner, G., Retailleau, B. M., Rodriguez, D., Thomas, J. C., and Ujic, P.

Subjects
Physics - Instrumentation and Detectors, Physics - Atomic Physics
Abstract

The LPCTrap experiment uses an open Paul trap which was built to enable precision measurements in the beta decay of radioactive ions. The initial goal was the precise measurement of the beta-neutrino angular correlation coefficient in the decay of 6He. Its geometry results from a careful optimization of the harmonic potential created by cylindrical electrodes. It supersedes previously considered geometries that presented a smaller detection solid angle to the beta particle and the recoiling ion. We describe here the methods which were used for the potential optimization, and we present the measured performances in terms of trapping time, cloud size and temperature, and space charge related limits. The properties of the ion cloud at equilibrium are well reproduced by a simple numerical simulation using hard sphere collisions, which additionally gives insights on the trapping loss mechanism. The interpretation for the observed trapping liftetimes is further corroborated by a model recently developed for ion clouds in Paul traps. The open trap shall serve other projects. It is currently used for commissioning purpose in the TRAPSENSOR experiment and is also considered in tests of the Standard Model involving the beta decay of polarized $^{23}$Mg and $^{39}$Ca ion in the frame of the MORA experiment. The latter tests require in-trap polarization of the ions and further optimization of the trapping and detection setup. Based on the results of the simulations and of their interpretations given by the model, different improvements of the trapping setup are discussed., Comment: 19 pages, 16 figures

Published
2018
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8. Final results on $^\textbf{82}$Se double beta decay to the ground state of $^\textbf{82}$Kr from the NEMO-3 experiment

Author

Collaboration, NEMO-3, Arnold, R., Augier, C., Barabash, A. S., Basharina-Freshville, A., Blondel, S., Blot, S., Bongrand, M., Boursette, D., Brudanin, V., Busto, J., Caffrey, A. J., Calvez, S., Cascella, M., Cerna, C., Cesar, J. P., Chapon, A., Chauveau, E., Chopra, A., Dawson, L., Duchesneau, D., Durand, D., Egorov, V., Eurin, G., Evans, J. J., Fajt, L., Filosofov, D., Flack, R., Garrido, X., Gómez, H., Guillon, B., Guzowski, P., Hodák, R., Huber, A., Hubert, P., Hugon, C., Jullian, S., Klimenko, A., Kochetov, O., Konovalov, S. I., Kovalenko, V., Lalanne, D., Lang, K., Lemière, Y., Noblet, T. Le, Liptak, Z., Liu, X. R., Loaiza, P., Lutter, G., Macolino, C., Mamedov, F., Marquet, C., Mauger, F., Morgan, B., Mott, J., Nemchenok, I., Nomachi, M., Nova, F., Nowacki, F., Ohsumi, H., Pahlka, R. B., Patrick, C., Perrot, F., Piquemal, F., Povinec, P., Přidal, P., Ramachers, Y. A., Remoto, A., Reyss, J. L., Riddle, C. L., Rukhadze, E., Rukhadze, N. I., Saakyan, R., Salazar, R., Sarazin, X., Shitov, Yu., Simard, L., Šimkovic, F., Smetana, A., Smolek, K., Smolnikov, A., Söldner-Rembold, S., Soulé, B., Štekl, I., Suhonen, J., Sutton, C. S., Szklarz, G., Thomas, J., Timkin, V., Torre, S., Tretyak, Vl. I., Tretyak, V. I., Umatov, V. I., Vanushin, I., Vilela, C., Vorobel, V., Waters, D., Xie, F., and Žukauskas, A.

Subjects
High Energy Physics - Experiment, Nuclear Experiment
Abstract

Using data from the NEMO-3 experiment, we have measured the two-neutrino double beta decay ($2\nu\beta\beta$) half-life of $^{82}$Se as $T_{1/2}^{2\nu} = \left[ 9.39 \pm 0.17\,\left(\mbox{stat}\right) \pm 0.58\,\left(\mbox{syst}\right)\right] \times 10^{19}$ y under the single-state dominance hypothesis for this nuclear transition. The corresponding nuclear matrix element is $\left|M^{2\nu}\right| = 0.0498 \pm 0.0016$. In addition, a search for neutrinoless double beta decay ($0\nu\beta\beta$) using 0.93 kg of $^{82}$Se observed for a total of 5.25 y has been conducted and no evidence for a signal has been found. The resulting half-life limit of $T_{1/2}^{0\nu} > 2.5 \times 10^{23} \,\mbox{y} \,(90\%\,\mbox{C.L.})$ for the light neutrino exchange mechanism leads to a constraint on the effective Majorana neutrino mass of $\langle m_{\nu} \rangle < \left(1.2 - 3.0\right) \,\mbox{eV}$, where the range reflects $0\nu\beta\beta$ nuclear matrix element values from different calculations. Furthermore, constraints on lepton number violating parameters for other $0\nu\beta\beta$ mechanisms, such as right-handed currents, majoron emission and R-parity violating supersymmetry modes have been set., Comment: 14 pages, 10 figures

Published
2018

9. Electron shakeoff following the \b{eta}+ decay of 19Ne+ and 35Ar+ trapped ions

Author

Fabian, X., Fléchard, X., Pons, B., Liénard, E., Ban, G., Breitenfeldt, M., Couratin, C., Delahaye, P., Durand, D., Finlay, P., Guillon, B., Lemière, Y., Mauger, F., Méry, A., Naviliat-Cuncic, O., Porobic, T., Quéméner, G., Severijns, N., and Thomas, J. -C.

Subjects
Nuclear Experiment
Abstract

The electron shakeoff of 19F and 35Cl atoms resulting from the \b{eta}+ decay of 19Ne+ and 35Ar+ ions has been investigated using a Paul trap coupled to a time of flight recoil-ion spectrometer. The charge-state distributions of the recoiling daughter nuclei were compared to theoretical calculations based on the sudden approximation and accounting for subsequent Auger processes. The excellent agreement obtained for 35Cl is not reproduced in 19F. The shortcoming is attributed to the inaccuracy of the independent particle model employed to calculate the primary shakeoff probabilities in systems with rather low atomic numbers. This calls for more elaborate calculations, including explicitly the electron-electron correlations., Comment: published in Phys. Rev. A (2018)

Published
2018
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10. Calorimeter development for the SuperNEMO double beta decay experiment

Author

Barabash, A. S., Basharina-Freshville, A., Blot, S., Bongrand, M., Bourgeois, Ch., Breton, D., Brudanin, V., Burešovà, H., Busto, J., Caffrey, A. J., Calvez, S., Cascella, M., Cerna, C., Cesar, J. P., Chauveau, E., Chopra, A., Claverie, G., De Capua, S., Delalee, F., Duchesneau, D., Egorov, V., Eurin, G., Evans, J. J., Fajt, L., Filosofov, D., Flack, R., Garrido, X., Gómez, H., Guillon, B., Guzowski, P., Hodák, R., Holý, K., Huber, A., Hugon, C., Jeremie, A., Jullian, S., Kauer, M., Klimenko, A., Kochetov, O., Konovalov, S. I., Kovalenko, V., Lang, K., Lemière, Y., Noblet, T. Le, Liptak, Z., Liu, X. R., Loaiza, P., Lutter, G., Maalmi, J., Macko, M., Mamedov, F., Marquet, C., Mauger, F., Moreau, I., Morgan, B., Mott, J., Nemchenok, I., Nomachi, M., Nova, F., Ohsumi, H., Pahlka, R. B., Pater, J. R., Perrot, F., Piquemal, F., Povinec, P., Přidal, P., Ramachers, Y. A., Rebii, A., Remoto, A., Richards, B., Ricol, J. S., Riddle, C. L., Rukhadze, E., Saakyan, R., Salazar, R., Sarazin, X., Sedgbeer, J., Shitov, Yu., Šimkovic, F., Simard, L., Smetana, A., Smolek, K., Smolnikov, A., Snow, S., Söldner-Rembold, S., Soulé, B., Špavorová, M., Štekl, I., Thomas, J., Timkin, V., Torre, S., Tretyak, Vl. I., Tretyak, V. I., Umatov, V. I., Vilela, C., Vorobel, V., Waters, D., and Žukauskas, A.

Subjects
Physics - Instrumentation and Detectors
Abstract

SuperNEMO is a double-$\beta$ decay experiment, which will employ the successful tracker-calorimeter technique used in the recently completed NEMO-3 experiment. SuperNEMO will implement 100 kg of double-$\beta$ decay isotope, reaching a sensitivity to the neutrinoless double-$\beta$ decay ($0\nu\beta\beta$) half-life of the order of $10^{26}$ yr, corresponding to a Majorana neutrino mass of 50-100 meV. One of the main goals and challenges of the SuperNEMO detector development programme has been to reach a calorimeter energy resolution, $\Delta$E/E, around 3%/$sqrt(E)$(MeV) $\sigma$, or 7%/$sqrt(E)$(MeV) FWHM (full width at half maximum), using a calorimeter composed of large volume plastic scintillator blocks coupled to photomultiplier tubes. We describe the R\&D programme and the final design of the SuperNEMO calorimeter that has met this challenging goal.

Published
2017
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11. Search for neutrinoless quadruple-$\beta$ decay of $^{150}$Nd with the NEMO-3 detector

Author

Arnold, R., Augier, C., Barabash, A. S., Basharina-Freshville, A., Blondel, S., Blot, S., Bongrand, M., Boursette, D., Brudanin, V., Busto, J., Caffrey, A. J., Calvez, S., Cascella, M., Cerna, C., Cesar, J. P., Chapon, A., Chauveau, E., Chopra, A., Dawson, L., Duchesneau, D., Durand, D., Egorov, V., Eurin, G., Evans, J. J., Fajt, L., Filosofov, D., Flack, R., Garrido, X., Gómez, H., Guillon, B., Guzowski, P., Hodák, R., Huber, A., Hubert, P., Hugon, C., Jullian, S., Klimenko, A., Kochetov, O., Konovalov, S. I., Kovalenko, V., Lalanne, D., Lang, K., Lemière, Y., Noblet, T. Le, Liptak, Z., Liu, X. R., Loaiza, P., Lutter, G., Macko, M., Macolino, C., Mamedov, F., Marquet, C., Mauger, F., Morgan, B., Mott, J., Nemchenok, I., Nomachi, M., Nova, F., Nowacki, F., Ohsumi, H., Patrick, C., Pahlka, R. B., Perrot, F., Piquemal, F., Povinec, P., Přidal, P., Ramachers, Y. A., Remoto, A., Reyss, J. L., Riddle, C. L., Rukhadze, E., Saakyan, R., Salazar, R., Sarazin, X., Shitov, Yu., Simard, L., Šimkovic, F., Smetana, A., Smolek, K., Smolnikov, A., Söldner-Rembold, S., Soulé, B., Štefánik, D., Štekl, I., Suhonen, J., Sutton, C. S., Szklarz, G., Thomas, J., Timkin, V., Torre, S., Tretyak, Vl. I., Tretyak, V. I., Umatov, V. I., Vanushin, I., Vilela, C., Vorobel, V., Waters, D., Xie, F., and Žukauskas, A.

Subjects
High Energy Physics - Experiment, Nuclear Experiment
Abstract

We report the results of a first experimental search for lepton number violation by four units in the neutrinoless quadruple-$\beta$ decay of $^{150}$Nd using a total exposure of $0.19$ kg$\cdot$y recorded with the NEMO-3 detector at the Modane Underground Laboratory (LSM). We find no evidence of this decay and set lower limits on the half-life in the range $T_{1/2}>(1.1-3.2)\times10^{21}$ y at the $90\%$ CL, depending on the model used for the kinematic distributions of the emitted electrons., Comment: 6 pages, 4 figures

Published
2017
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12. The BiPo-3 detector for the measurement of ultra low natural radioactivities of thin materials

Author

Barabash, A. S., Basharina-Freshville, A., Birdsall, E., Blondel, S., Blot, S., Bongrand, M., Boursette, D., Brudanin, V., Busto, J., Caffrey, A. J., Calvez, S., Cascella, M., Cebrián, S., Cerna, C., Cesar, J. P, Chauveau, E., Chopra, A., Dafní, T., De Capua, S., Duchesneau, D., Durand, D., Egorov, V., Eurin, G., Evans, J. J., Fajt, L., Filosofov, D., Flack, R., Garrido, X., Gómez, H., Guillon, B., Guzowski, P., Holý, K., Hodák, R., Huber, A., Hugon, C., Iguaz, F. J., Irastorza, I. G., Jeremie, A., Jullian, S., Kauer, M., Klimenko, A., Kochetov, O., Konovalov, S. I., Kovalenko, V., Lang, K., Lemière, Y., Noblet, T. Le, Liptak, Z., Liu, X. R., Loaiza, P., Lutter, G., Luzón, G., Macko, M., Mamedov, F., Marquet, C., Mauger, F., Morgan, B., Mott, J., Nemchenok, I., Nomachi, M., Nova, F., Ohsumi, H., de Solórzano, G. Oliviéro A. Ortiz, Pahlka, R. B., Pater, J., Perrot, F., Piquemal, F., Povinec, P., Přidal, P., Ramachers, Y. A., Remoto, A., Richards, B., Riddle, C. L., Rukhadze, E., Saakyan, R., Salazar, R., Sarazin, X., Shitov, Yu., Simard, L., Šimkovic, F., Smetana, A., Smolek, K., Smolnikov, A., Söldner-Rembold, S., Soulé, B., Štekl, I., Thomas, J., Timkin, V., Torre, S., Tretyak, Vl. I., Tretyak, V. I., Umatov, V. I., Vilela, C., Vorobel, V., Waters, D., and Žukauskas, A.

Subjects
Physics - Instrumentation and Detectors
Abstract

The BiPo-3 detector, running in the Canfranc Underground Laboratory (Laboratorio Subterr\'aneo de Canfranc, LSC, Spain) since 2013, is a low-radioactivity detector dedicated to measuring ultra low natural radionuclide contaminations of $^{208}$Tl ($^{232}$Th chain) and $^{214}$Bi ($^{238}$U chain) in thin materials. The total sensitive surface area of the detector is 3.6 m$^2$. The detector has been developed to measure radiopurity of the selenium double $\beta$-decay source foils of the SuperNEMO experiment. In this paper the design and performance of the detector, and results of the background measurements in $^{208}$Tl and $^{214}$Bi, are presented, and validation of the BiPo-3 measurement with a calibrated aluminium foil is discussed. Results of the $^{208}$Tl and $^{214}$Bi activity measurements of the first enriched $^{82}$Se foils of the double $\beta$-decay SuperNEMO experiment are reported. The sensitivity of the BiPo-3 detector for the measurement of the SuperNEMO $^{82}$Se foils is $\mathcal{A}$($^{208}$Tl) $<2$ $\mu$Bq/kg (90\% C.L.) and $\mathcal{A}$($^{214}$Bi) $<140$ $\mu$Bq/kg (90\% C.L.) after 6 months of measurement., Comment: 37 pages, 29 figures

Published
2017
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13. Measurement of the $2\nu\beta\beta$ Decay Half-Life and Search for the $0\nu\beta\beta$ Decay of $^{116}$Cd with the NEMO-3 Detector

Author

Collaboration, NEMO-3, Arnold, R., Augier, C., Baker, J. D., Barabash, A. S., Basharina-Freshville, A., Blondel, S., Blot, S., Bongrand, M., Boursette, D., Brudanin, V., Busto, J., Caffrey, A. J., Calvez, S., Cascella, M., Cerna, C., Cesar, J. P., Chapon, A., Chauveau, E., Chopra, A., Duchesneau, D., Durand, D., Egorov, V., Eurin, G., Evans, J. J., Fajt, L., Filosofov, D., Flack, R., Garrido, X., Gómez, H., Guillon, B., Guzowski, P., Hodák, R., Huber, A., Hubert, P., Hugon, C., Jullian, S., Klimenko, A., Kochetov, O., Konovalov, S. I., Kovalenko, V., Lalanne, D., Lang, K., Lemière, Y., Noblet, T. Le, Liptak, Z., Loaiza, P., Lutter, G., Macko, M., Macolino, C., Mamedov, F., Marquet, C., Mauger, F., Morgan, B., Mott, J., Nemchenok, I., Nomachi, M., Nova, F., Nowacki, F., Ohsumi, H., Pahlka, R. B., Perrot, F., Piquemal, F., Povinec, P., Přidal, P., Ramachers, Y. A., Remoto, A., Reyss, J. L., Richards, B., Riddle, C. L., Rukhadze, E., Saakyan, R., Salazar, R., Sarazin, X., Shitov, Yu., Simard, L., Šimkovic, F., Smetana, A., Smolek, K., Smolnikov, A., Söldner-Rembold, S., Soulé, B., Štekl, I., Suhonen, J., Sutton, C. S., Szklarz, G., Thomas, J., Timkin, V., Torre, S., Tretyak, Vl. I., Tretyak, V. I., Umatov, V. I., Vanushin, I., Vilela, C., Vorobel, V., Waters, D., and Žukauskas, A.

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

The NEMO-3 experiment measured the half-life of the $2\nu\beta\beta$ decay and searched for the $0\nu\beta\beta$ decay of $^{116}$Cd. Using $410$ g of $^{116}$Cd installed in the detector with an exposure of $5.26$ y, ($4968\pm74$) events corresponding to the $2\nu\beta\beta$ decay of $^{116}$Cd to the ground state of $^{116}$Sn have been observed with a signal to background ratio of about $12$. The half-life of the $2\nu\beta\beta$ decay has been measured to be $ T_{1/2}^{2\nu}=[2.74\pm0.04\mbox{(stat.)}\pm0.18\mbox{(syst.)}]\times10^{19}$ y. No events have been observed above the expected background while searching for $0\nu\beta\beta$ decay. The corresponding limit on the half-life is determined to be $T_{1/2}^{0\nu} \ge 1.0 \times 10^{23}$ y at the $90$ % C.L. which corresponds to an upper limit on the effective Majorana neutrino mass of $\langle m_{\nu} \rangle \le 1.4-2.5$ eV depending on the nuclear matrix elements considered. Limits on other mechanisms generating $0\nu\beta\beta$ decay such as the exchange of R-parity violating supersymmetric particles, right-handed currents and majoron emission are also obtained.

Published
2016
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14. Measurement of the 2$\nu\beta\beta$ decay half-life of $^{150}$Nd and a search for 0$\nu\beta\beta$ decay processes with the full exposure from the NEMO-3 detector

Author

Collaboration, NEMO-3, Arnold, R., Augier, C., Baker, J. D., Barabash, A. S., Basharina-Freshville, A., Blondel, S., Blot, S., Bongrand, M., Brudanin, V., Busto, J., Caffrey, A. J., Calvez, S., Cascell, M., Cerna, C., Cesar, J. P., Chapon, A., Chauveau, E., Chopra, A., Duchesneau, D., Durand, D., Egorov, V., Eurin, G., Evans, J. J., Fajt, L., Filosofov, D., Flack, R., Garrido, X., Gòmez, H., Guillon, B., Guzowski, P., Hodák, R., Huber, A., Hubert, P., Hugon, C., Jullian, S., Klimenko, A., Kochetov, O., Konovalov, S. I., Kovalenko, V., Lalanne, D., Lang, K., Lemière, Y., Noblet, T. Le, Liptak, Z., Liu, X. R., Loaiza, P., Lutter, G., Mamedov, F., Marquet, C., Mauger, F., Morgan, B., Mott, J., Nemchenok, I., Nomachi, M., Nova, F., Nowacki, F., Ohsumi, H., Pahlka, R. B., Perrot, F., Piquemal, F., Povinec, P., Přidal, P., Ramachers, Y. A., Remoto, A., Reyss, J. L., Richards, B., Riddle, C. L., Rukhadze, E., Saakyan, R., Salazar, R., Sarazin, X., Shitov, Yu., Simard, L., Šimkovic, F., Smetana, A., Smolek, K., Smolnikov, A., Soldner-Rembold, S., Soulé, B., Štekl, I., Suhonen, J., Sutton, C. S., Szklarz, G., Thomas, J., Timkin, V., Torre, S., Tretyak, Vl. I., Tretyak, V. I., Umatov, V. I., Vanushin, I., Vilela, C., Vorobel, V., Waters, D., and Žukauskas, A.

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

We present results from a search for neutrinoless double-$\beta$ ($0\nu\beta\beta$) decay using 36.6 g of the isotope $^{150}$Nd with data corresponding to a live time of 5.25 y recorded with the NEMO-3 detector. We construct a complete background model for this isotope, including a measurement of the two-neutrino double-$\beta$ decay half-life of $T^{2\nu}_{1/2}=$[9.34 $\pm$ 0.22 (stat.) $^{+0.62}_{-0.60}$ (syst.)]$\times 10^{18}$ y for the ground state transition, which represents the most precise result to date for this isotope. We perform a multivariate analysis to search for \zeronu decays in order to improve the sensitivity and, in the case of observation, disentangle the possible underlying decay mechanisms. As no evidence for \zeronu decay is observed, we derive lower limits on half-lives for several mechanisms involving physics beyond the Standard Model. The observed lower limit, assuming light Majorana neutrino exchange mediates the decay, is $T^{0\nu}_{1/2} >$ 2.0 $\times 10^{22}$ y at the 90% C.L., corresponding to an upper limit on the effective neutrino mass of $\langle m_{\nu} \rangle$ $<$ 1.6 - 5.3 eV.., Comment: 18 pages, 11 figures, Final journal version after peer review

Published
2016
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15. Measurement of the double-beta decay half-life and search for the neutrinoless double-beta decay of $^{48}{\rm Ca}$ with the NEMO-3 detector

Author

Collaboration, NEMO-3, Arnold, R., Augier, C., Bakalyarov, A. M., Baker, J. D., Barabash, A. S., Basharina-Freshville, A., Blondel, S., Blot, S., Bongrand, M., Brudanin, V., Busto, J., Caffrey, A. J., Calvez, S., Cascella, M., Cerna, C., Cesar, J. P., Chapon, A., Chauveau, E., Chopra, A., Duchesneau, D., Durand, D., Egorov, V., Eurin, G., Evans, J. J., Fajt, L., Filosofov, D., Flack, R., Garrido, X., Gómez, H., Guillon, B., Guzowski, P., Hodák, R., Huber, A., Hubert, P., Hugon, C., Jullian, S., Klimenko, A., Kochetov, O., Konovalov, S. I., Kovalenko, V., Lalanne, D., Lang, K., Lebedev, V. I., Lemière, Y., Noblet, T. Le, Liptak, Z., Liu, X. R., Loaiza, P., Lutter, G., Mamedov, F., Marquet, C., Mauger, F., Morgan, B., Mott, J., Nemchenok, I., Nomachi, M., Nova, F., Nowacki, F., Ohsumi, H., Pahlka, R. B., Perrot, F., Piquemal, F., Povinec, P., Přidal, P., Ramachers, Y. A., Remoto, A., Reyss, J. L., Richards, B., Riddle, C. L., Rukhadze, E., Rukhadze, N. I., Saakyan, R., Salazar, R., Sarazin, X., Shitov, Yu., Simard, L., Šimkovic, F., Smetana, A., Smolek, K., Smolnikov, A., Söldner-Rembold, S., Soulé, B., Štekl, I., Suhonen, J., Sutton, C. S., Szklarz, G., Thomas, J., Timkin, V., Torre, S., Tretyak, Vl. I., Tretyak, V. I., Umatov, V. I., Vanushin, I., Vilela, C., Vorobel, V., Waters, D., Zhukov, S. V., and Žukauskas, A.

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

The NEMO-3 experiment at the Modane Underground Laboratory has investigated the double-$\beta$ decay of $^{48}{\rm Ca}$. Using $5.25$ yr of data recorded with a $6.99\,{\rm g}$ sample of $^{48}{\rm Ca}$, approximately $150$ double-$\beta$ decay candidate events have been selected with a signal-to-background ratio greater than $3$. The half-life for the two-neutrino double-$\beta$ decay of $^{48}{\rm Ca}$ has been measured to be $T^{2\nu}_{1/2}\,=\,[6.4\, ^{+0.7}_{-0.6}{\rm (stat.)} \, ^{+1.2}_{-0.9}{\rm (syst.)}] \times 10^{19}\,{\rm yr}$. A search for neutrinoless double-$\beta$ decay of $^{48}{\rm Ca}$ yields a null result and a corresponding lower limit on the half-life is found to be $T^{0\nu}_{1/2} > 2.0 \times 10^{22}\,{\rm yr}$ at $90\%$ confidence level, translating into an upper limit on the effective Majorana neutrino mass of $< m_{\beta\beta} > < 6.0 - 26$ ${\rm eV}$, with the range reflecting different nuclear matrix element calculations. Limits are also set on models involving Majoron emission and right-handed currents., Comment: 8 pages, 5 figures, 3 tables. Final journal version after peer review

Published
2016
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16. Precision measurements with LPCTrap at GANIL

Author

Lienard, E., Ban, G., Couratin, C., Delahaye, P., Durand, D., Fabian, X., Fabre, B., Flechard, X., Finlay, P., Mauger, F., Mery, A., Naviliat-Cuncic, O., Pons, B., Porobic, T., Quemener, G., Severijns, N., Thomas, J. C., and Velten, Ph.

Subjects
Nuclear Experiment
Abstract

The experimental achievements and the results obtained so far with the LPCTrap device installed at GANIL are presented. The apparatus is dedicated to the study of the weak interaction at low energy by means of precise measurements of the BETA-NU angular correlation parameter in nuclear BETA decays. So far, the data collected with three isotopes have enabled to determine, for the first time, the charge state distributions of the recoiling ions, induced by shakeoff process. The analysis is presently refined to deduce the correlation parameters, with the potential of improving both the constraint deduced at low energy on exotic tensor currents (6He1+) and the precision on the V u d element of the quark-mixing matrix (35Ar1+ and 19Ne1+) deduced from the mirror transitions dataset., Comment: 6th International Conference on Trapped Charged Particles and Fundamental Physics (TCP 2014), Takamatsu, Japan, December 2014, to be published in Hyperfine Interactions

Published
2015
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17. Result of the search for neutrinoless double-$\beta$ decay in $^{100}$Mo with the NEMO-3 experiment

Author

Arnold, R., Augier, C., Baker, J. D., Barabash, A. S., Basharina-Freshville, A., Blondel, S., Blot, S., Bongrand, M., Brudanin, V., Busto, J., Caffrey, A. J., Calvez, S., Cerna, C., Cesar, J. P., Chapon, A., Chauveau, E., Duchesneau, D., Durand, D., Egorov, V., Eurin, G., Evans, J. J., Fajt, L., Filosofov, D., Flack, R., Garrido, X., Gómez, H., Guillon, B., Guzowski, P., Hodák, R., Huber, A., Hubert, P., Hugon, C., Jullian, S., Klimenko, A., Kochetov, O., Konovalov, S. I., Kovalenko, V., Lalanne, D., Lang, K., Lemière, Y., Noblet, T. Le, Liptak, Z., Loaiza, P., Lutter, G., Mamedov, F., Marquet, C., Mauger, F., Morgan, B., Mott, J., Nemchenok, I., Nomachi, M., Nova, F., Nowacki, F., Ohsumi, H., Pahlka, R. B., Perrot, F., Piquemal, F., Povinec, P., Přidal, P., Ramachers, Y. A., Remoto, A., Reyss, J. L., Richards, B., Riddle, C. L., Rukhadze, E., Saakyan, R., Sarazin, X., Shitov, Yu., Simard, L., Simkovic, F., Smetana, A., Smolek, K., Smolnikov, A., Söldner-Rembold, S., Soulé, B., Štekl, I., Suhonen, J., Sutton, C. S., Szklarz, G., Thomas, J., Timkin, V., Torre, S., Tretyak, Vl. I., Tretyak, V. I., Umatov, V. I., Vanushin, I., Vilela, C., Vorobel, V., Waters, D., and Žukauskas, A.

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

The NEMO-3 detector, which had been operating in the Modane Underground Laboratory from 2003 to 2010, was designed to search for neutrinoless double $\beta$ ($0\nu\beta\beta$) decay. We report final results of a search for $0\nu\beta\beta$ decays with $6.914$ kg of $^{100}$Mo using the entire NEMO-3 data set with a detector live time of $4.96$ yr, which corresponds to an exposure of 34.3 kg$\cdot$yr. We perform a detailed study of the expected background in the $0\nu\beta\beta$ signal region and find no evidence of $0\nu\beta\beta$ decays in the data. The level of observed background in the $0\nu\beta\beta$ signal region $[2.8-3.2]$ MeV is $0.44 \pm 0.13$ counts/yr/kg, and no events are observed in the interval $[3.2-10]$ MeV. We therefore derive a lower limit on the half-life of $0\nu\beta\beta$ decays in $^{100}$Mo of $T_{1/2}(0\nu\beta\beta)> 1.1 \times 10^{24}$ yr at the $90\%$ Confidence Level, under the hypothesis of light Majorana neutrino exchange. Depending on the model used for calculating nuclear matrix elements, the limit for the effective Majorana neutrino mass lies in the range $\langle m_{\nu} \rangle < 0.33$--$0.62$ eV. We also report constraints on other lepton-number violating mechanisms for $0\nu\beta\beta$ decays.

Published
2015

18. Circularly Polarized Molecular High Harmonic Generation Using a Bicircular Laser

Author

Mauger, F, Bandrauk, A. D., and Uzer, T

Subjects
Physics - Atomic Physics
Abstract

We investigate the process of circularly polarized high harmonic generation in molecules using a bicircular laser field. In this context, we show that molecules offer a very robust framework for the production of circularly polarized harmonics, provided their symmetry is compatible with that of the laser field. Using a discrete time-dependent symmetry analysis, we show how all the features (harmonic order and polarization) of spectra can be explained and predicted. The symmetry analysis is generic and can easily be applied to other target and/or field configurations.

Published
2015
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19. Measurement of the double-$$\varvec{\beta }$$ decay of $$\varvec{^{150}}$$Nd to the 0$$\varvec{^+_1}$$ excited state of $$\varvec{^{150}}$$Sm in NEMO-3

Author

Aguerre, X., primary, Arnold, R., additional, Augier, C., additional, Barabash, A. S., additional, Basharina-Freshville, A., additional, Blondel, S., additional, Blot, S., additional, Bongrand, M., additional, Breier, R., additional, Brudanin, V., additional, Busto, J., additional, Bystryakov, A., additional, Caffrey, A. J., additional, Cerna, C., additional, Cesar, J. P., additional, Ceschia, M., additional, Chauveau, E., additional, Chopra, A., additional, Dawson, L., additional, Duchesneau, D., additional, Durand, D., additional, Evans, J. J., additional, Flack, R., additional, Franchini, P., additional, Garrido, X., additional, Girard-Carillo, C., additional, Guillon, B., additional, Guzowski, P., additional, Hoballah, M., additional, Hodák, R., additional, Hubert, P., additional, Hussain, M. H., additional, Jullian, S., additional, Klimenko, A., additional, Kochetov, O., additional, Konovalov, S. I., additional, Koňařík, F., additional, Křižák, T., additional, Lalanne, D., additional, Lang, K., additional, Lemière, Y., additional, Li, P., additional, Loaiza, P., additional, Lutter, G., additional, Macko, M., additional, Mamedov, F., additional, Marquet, C., additional, Mauger, F., additional, Minotti, A., additional, Morgan, B., additional, Nemchenok, I., additional, Nomachi, M., additional, Nowacki, F., additional, Ohsumi, H., additional, Oliviéro, G., additional, Palušová, V., additional, Patrick, C., additional, Perrot, F., additional, Petro, M., additional, Pin, A., additional, Piquemal, F., additional, Povinec, P., additional, Pratt, S., additional, Přidal, P., additional, Quinn, W. S., additional, Ramachers, Y. A., additional, Remoto, A., additional, Reyss, J. L., additional, Riddle, C. L., additional, Rukhadze, E., additional, Saakyan, R., additional, Salamatin, A., additional, Salazar, R., additional, Sarazin, X., additional, Sedgbeer, J., additional, Shitov, Yu., additional, Simard, L., additional, Šimkovic, F., additional, Smetana, A., additional, Smolnikov, A., additional, Söldner-Rembold, S., additional, Štekl, I., additional, Suhonen, J., additional, Szklarz, G., additional, Tedjditi, H., additional, Thomas, J., additional, Timkin, V., additional, Tretyak, V. I., additional, Umatov, V. I., additional, Vanushin, I., additional, Vereshchaka, Y., additional, Vorobel, V., additional, Waters, D., additional, and Xie, F., additional

Published
2023
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20. Search for Neutrinoless Double-Beta Decay of $^{100}$Mo with the NEMO-3 Detector

Author

Collaboration, NEMO-3, Arnold, R., Augier, C., Baker, J. D., Barabash, A. S., Basharina-Freshville, A., Blondel, S., Blot, S., Bongrand, M., Brudanin, V., Busto, J., Caffrey, A. J., Cerna, C., Chapon, A., Chauveau, E., Duchesneau, D., Durand, D., Egorov, V., Eurin, G., Evans, J. J., Flack, R., Garrido, X., Gómez, H., Guillon, B., Guzowski, P., Hodák, R., Hubert, P., Hugon, C., Jullian, S., Klimenko, A., Kochetov, O., Konovalov, S. I., Kovalenko, V., Lalanne, D., Lang, K., Lemière, Y., Liptak, Z., Loaiza, P., Lutter, G., Mamedov, F., Marquet, C., Mauger, F., Morgan, B., Mott, J., Nemchenok, I., Nomachi, M., Nova, F., Nowacki, F., Ohsumi, H., Pahlka, R. B., Perrot, F., Piquemal, F., Povinec, P., Ramachers, Y. A., Remoto, A., Reyss, J. L., Richards, B., Riddle, C. L., Rukhadze, E., Saakyan, R., Sarazin, X., Shitov, Yu., Simard, L., Šimkovic, F., Smetana, A., Smolek, K., Smolnikov, A., Söldner-Rembold, S., Soulé, B., Štekl, I., Suhonen, J., Sutton, C. S., Szklarz, G., Thomas, J., Timkin, V., Torre, S., Tretyak, Vl. I., Tretyak, V. I., Umatov, V. I., Vanushin, I., Vilela, C., Vorobel, V., Waters, D., and Žukauskas, A.

Subjects
High Energy Physics - Experiment, Nuclear Experiment
Abstract

We report the results of a search for the neutrinoless double-$\beta$ decay (0$\nu\beta\beta$) of $^{100}$Mo, using the NEMO-3 detector to reconstruct the full topology of the final state events. With an exposure of 34.7 kg.y, no evidence for the 0$\nu\beta\beta$ signal has been found, yielding a limit for the light Majorana neutrino mass mechanism of $T_{1/2}(0\nu\beta\beta)>1.1 \times 10^{24}$ years (90% C.L.) once both statistical and systematic uncertainties are taken into account. Depending on the Nuclear Matrix Elements this corresponds to an upper limit on the Majorana effective neutrino mass of $< m_{\nu} > < 0.3-0.9$ eV (90% C.L.). Constraints on other lepton number violating mechanisms of 0$\nu\beta\beta$ decays are also given. Searching for high-energy double electron events in all suitable sources of the detector, no event in the energy region [3.2-10] MeV is observed for an exposure of 47 kg.y.

Published
2013
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21. Measurement of the Double Beta Decay Half-life of 130Te with the NEMO-3 Detector

Author

Arnold, R., Augier, C., Baker, J., Barabash, A. S., Basharina-Freshville, A., Blondel, S., Bongrand, M., Broudin-Bay, G., Brudanin, V., Caffrey, A. J., Chapon, A., Chauveau, E., Durand, D., Egorov, V., Flack, R., Garrido, X., Grozier, J., Guillon, B., Hubert, Ph., Jackson, C. M., Jullian, S., Kauer, M., Klimenko, A., Kochetov, O., Konovalov, S. I., Kovalenko, V., Lalanne, D., Lamhamdi, T., Lang, K., Liptak, Z., Lutter, G., Mamedov, F., Marquet, Ch., Martin-Albo, J., Mauger, F., Mott, J., Nachab, A., Nemchenok, I., Nguyen, C. H., Nova, F., Novella, P., Ohsumi, H., Pahlka, R. B., Perrot, F., Piquemal, F., Reyss, J. L., Richards, B., Ricol, J. S., Saakyan, R., Sarazin, X., Shitov, Yu., Simard, L., Šimkovic, F., Smolnikov, A., Söldner-Rembold, S., Štekl, I., Suhonen, J., Sutton, C. S., Szklarz, G., Thomas, J., Timkin, V., Torre, S., Tretyak, V. I., Umatov, V., Vála, L., Vanyushin, I., Vasiliev, V., Vorobel, V., Vylov, T., and Zukauskas, A.

Subjects
Nuclear Experiment, High Energy Physics - Experiment
Abstract

This Letter reports results from the NEMO-3 experiment based on an exposure of 1275 days with 661g of 130Te in the form of enriched and natural tellurium foils. The double beta decay rate of 130Te is found to be greater than zero with a significance of 7.7 standard deviations and the half-life is measured to be T1/2 = (7.0 +/- 0.9(stat) +/- 1.1(syst)) x 10^{20} yr. This represents the most precise measurement of this half-life yet published and the first real-time observation of this decay.

Published
2011
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22. Probing New Physics Models of Neutrinoless Double Beta Decay with SuperNEMO

Author

Arnold, R., Augier, C., Baker, J., Barabash, A. S., Basharina-Freshville, A., Bongrand, M., Brudanin, V., Caffrey, A. J., Cebrián, S., Chapon, A., Chauveau, E., Dafni, Th., Deppisch, F. F., Diaz, J., Durand, D., Egorov, V., Evans, J. J., Flack, R., Fushima, K-I., Irastorza, I. García, Garrido, X., Gómez, H., Guillon, B., Holin, A., Holy, K., Horkley, J. J., Hubert, Ph., Hugon, C., Iguaz, F. J., Ishihara, N., Jackson, C. M., Jullian, S., Kauer, M., Kochetov, O., Konovalov, S. I., Kovalenko, V., Lamhamdi, T., Lang, K., Lutter, G., Luzón, G., Mamedov, F., Marquet, Ch., Mauger, F., Monrabal, F., Nachab, A., Nasteva, I., Nemchenok, I., Nguyen, C. H., Nomachi, M., Nova, F., Ohsumi, H., Pahlka, R. B., Perrot, F., Piquemal, F., Povinec, P. P., Richards, B., Ricol, J. S., Riddle, C. L., Rodríguez, A., Saakyan, R., Sarazin, X., Sedgbeer, J. K., Serra, L., Shitov, Yu., Simard, L., Šimkovic, F., Söldner-Rembold, S., Štekl, I., Sutton, C. S., Tamagawa, Y., Thomas, J., Timkin, V., Tretyak, V., Tretyak, Vl. I., Umatov, V. I., Vanyushin, I. A., Vasiliev, R., Vasiliev, V., Vorobel, V., Waters, D., Yahlali, N., and Žukauskas, A.

Subjects
High Energy Physics - Experiment, High Energy Physics - Phenomenology
Abstract

The possibility to probe new physics scenarios of light Majorana neutrino exchange and right-handed currents at the planned next generation neutrinoless double beta decay experiment SuperNEMO is discussed. Its ability to study different isotopes and track the outgoing electrons provides the means to discriminate different underlying mechanisms for the neutrinoless double beta decay by measuring the decay half-life and the electron angular and energy distributions., Comment: 17 pages, 14 figures, to be published in E.P.J. C

Published
2010
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23. Results of the BiPo-1 prototype for radiopurity measurements for the SuperNEMO double beta decay source foils

Author

Argyriades, J., Arnold, R., Augier, C., Baker, J., Barabash, A. S., Basharina-Freshville, A., Bongrand, M., Bourgeois, C., Breton, D., Briére, M., Broudin-Bay, G., Brudanin, V. B., Caffrey, A. J., Cebrián, S., Chapon, A., Chauveau, E., Dafni, Th., Díaz, J., Durand, D., Egorov, V. G., Evans, J. J., Flack, R., Fushima, K-I., Irastorza, I. G., Garrido, X., Gómez, H., Guillon, B., Holin, A., Holy, K, Horkey, J. J., Hubert, P., Hugon, C., Iguaz, F. J., Ishihara, N., Jackson, C. M., Jenzer, S., Jullian, S., Kauer, M., Kochetov, O. I., Konovalov, S. I., Kovalenko, V., Lamhamdi, T., Lang, K., Lemiére, Y., Lutter, G., Luzón, G., Mamedov, F., Marquet, Ch., Mauger, F., Monrabal, F., Nachab, A., Nemchenok, I. B., Nguyen, C. H., Nomachi, M., Nova, F., Ohsumi, H., Pahlka, R. B., Perrot, F., Piquemal, F., Povinec, P. P., Richards, B., Ricol, J. S., Riddle, C. L., Rodríguez, A., Saakyan, R., Sarazin, X., Sedgbeer, J. K., Serra, L., Shitov, Yu. A., Simard, L., Šimkovic, F., Söldner-Rembold, S., Štekl, I., Sutton, C. S., Tamagawa, Y., Szklarz, G., Thomas, J., Timkin, V., Tretyak, V., Tretyak, Vl. I., Umatov, V. I., Vála, L., Vanyushin, I. A., Vasiliev, R., Vasiliev, V. A., Vorobel, V., Waters, D., Yahali, N., and Žukauskas, A.

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

The development of BiPo detectors is dedicated to the measurement of extremely high radiopurity in $^{208}$Tl and $^{214}$Bi for the SuperNEMO double beta decay source foils. A modular prototype, called BiPo-1, with 0.8 $m^2$ of sensitive surface area, has been running in the Modane Underground Laboratory since February, 2008. The goal of BiPo-1 is to measure the different components of the background and in particular the surface radiopurity of the plastic scintillators that make up the detector. The first phase of data collection has been dedicated to the measurement of the radiopurity in $^{208}$Tl. After more than one year of background measurement, a surface activity of the scintillators of $\mathcal{A}$($^{208}$Tl) $=$ 1.5 $\mu$Bq/m$^2$ is reported here. Given this level of background, a larger BiPo detector having 12 m$^2$ of active surface area, is able to qualify the radiopurity of the SuperNEMO selenium double beta decay foils with the required sensitivity of $\mathcal{A}$($^{208}$Tl) $<$ 2 $\mu$Bq/kg (90% C.L.) with a six month measurement., Comment: 24 pages, submitted to N.I.M. A

Published
2010
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24. Spectral modeling of scintillator for the NEMO-3 and SuperNEMO detectors

Author

Argyriades, J., Arnold, R., Augier, C., Baker, J., Barabash, A. S., Bongrand, M., Broudin-Bay, G., Brudanin, V. B., Caffrey, A. J., Cebrián, S., Chapon, A., Chauveau, E., Dafni, Th., Daraktchieva, Z., iaz, J. D, Durand, D., Egorov, V. G., Evans, J. J., Fatemi-Ghomi, N., Flack, R., Basharina-Freshville, A., Fushimi, K-I., Garrido, X., Gómez, H., Guillon, B., Holin, A., Holy, K., Horkey, J. J., Hubert, Ph., Hugon, C., Iguaz, F. J., Irastorza, I. G., Ishihara, N., Jackson, C. M., Jullian, S., Kanamaru, S., Kauer, M., Kochetov, O. I., Konovalov, S. I., Kovalenko, V. E., Lalanne, D., Lang, K., ere, Y. Lemi, Lutter, G., Luzón, G., Mamedov, F., Marquet, Ch., Martin-Albo, J., Mauger, F., Monrabal, F., Nachab, A., Nasteva, I., Nemchenok, I. B., Nguyen, C. H., Nova, F., Novella, P., Ohsumi, H., Pahlka, R. B., Perrot, F., Piquemal, F., Povinec, P. P., Richards, B., Ricol, J. S., Riddle, C. L., Rodriguez, A., Saakyan, R., Sarazin, X., Sedgbeer, J. K., Serra, L., Simard, L., Šimkovic, F., Shitov, Yu. A., Smolnikov, A. A., Soldner-Rembold, S., Štekl, I., Sugaya, Y., Sutton, C. S., Szklarz, G., Tamagawa, Y., Thomas, J., Thompson, R., Timkin, V. V., Tretyak, V. I., Tretyak, Vl. I., Umatov, V. I., ala, L. V, Vanyushin, I. A., Vasiliev, R., Vorobel, V., Vylov, Ts., Waters, D., Yahlali, N., and Žukauskas, A.

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

We have constructed a GEANT4-based detailed software model of photon transport in plastic scintillator blocks and have used it to study the NEMO-3 and SuperNEMO calorimeters employed in experiments designed to search for neutrinoless double beta decay. We compare our simulations to measurements using conversion electrons from a calibration source of $\rm ^{207}Bi$ and show that the agreement is improved if wavelength-dependent properties of the calorimeter are taken into account. In this article, we briefly describe our modeling approach and results of our studies., Comment: 16 pages, 10 figures

Published
2010
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25. Measurement of the two neutrino double beta decay half-life of Zr-96 with the NEMO-3 detector

Author

Argyriades, J., Arnold, R., Augier, C., Baker, J., Barabash, A. S., Basharina-Freshville, A., Bongrand, M., Broudin-Bay, G., Brudanin, V., Caffrey, A. J., Chapon, A., Chauveau, E., Daraktchieva, Z., Durand, D., Egorov, V., Fatemi-Ghomi, N., Flack, R., Guillon, B., Hubert, Ph., Jullian, S., Kauer, M., King, S., Klimenko, A., Kochetov, O., Konovalov, S. I., Kovalenko, V., Lalanne, D., Lamhamdi, T., Lang, K., Lemiere, Y., Longuemare, C., Lutter, G., Mamedov, F., Marquet, Ch., Martin-Albo, J., Mauger, F., Nachab, A., Nasteva, I., Nemchenok, I., Nguyen, C. H., Nova, F., Novella, P., Ohsumi, H., Pahlka, R. B., Perrot, F., Piquemal, F., Reyss, J. L., Ricol, J. S., Saakyan, R., Sarazin, X., Shitov, Yu., Simard, L., Simkovic, F., Smolnikov, A., Snow, S., Soldner-Rembold, S., Stekl, I., Suhonen, J., Sutton, C. S., Szklarz, G., Thomas, J., Timkin, V., Tretyak, V. I., Umatov, V., Vala, L., Vanyushin, I., Vasiliev, V., Vorobel, V., and Vylov, Ts.

Subjects
Nuclear Experiment
Abstract

Using 9.4 g of Zr-96 and 1221 days of data from the NEMO-3 detector corresponding to 0.031 kg yr, the obtained 2vbb decay half-life measurement is [2.35 +/- 0.14(stat) +/- 0.16(syst)] x 10^19 yr. Different characteristics of the final state electrons have been studied, such as the energy sum, individual electron energy, and angular distribution. The 2v nuclear matrix element is extracted using the measured 2vbb half-life and is 0.049 +/- 0.002. Constraints on 0vbb decay have also been set., Comment: Published in Nucl.Phys.A (10 pages, 10 figures)

Published
2009
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26. Measurement of the background in the NEMO 3 double beta decay experiment

Author

NEMO Collaboration, Argyriades, J., Arnold, R., Augier, C., Baker, J., Barabash, A. S., Bongrand, M., Broudin-Bay, G., Brudanin, V. B., Caffrey, A. J., Chapon, A., Chauveau, E., Daraktchieva, Z., Durand, D., Egorov, V. G., Fatemi-Ghomi, N., Flack, R., Freshville, A., Guillon, B., Hubert, Ph., Jullian, S., Kauer, M., King, S., Kochetov, O. I., Konovalov, S. I., Kovalenko, V. E., Lalanne, D., Lang, K., Lemi`ere, Y., Lutter, G., Mamedov, F., Marquet, Ch., Martin-Albo, J., Mauger, F., Nachab, A., Nasteva, I., Nemchenok, I. B., Nova, F., Novella, P., Ohsumi, H., Pahlka, R. B., Perrot, F., Piquemal, F., Reyss, J. L., Ricol, J. S., Saakyan, R., Sarazin, X., Simard, L., Shitov, Yu. A., Smolnikov, A. A., Snow, S., S"oldner-Rembold, S., Stekl, I., Sutton, C. S., Szklarz, G., Thomas, J., Timkin, V. V., Tretyak, V. I., Tretyak, Vl. I., Umatov, V. I., V'ala, L., Vanyushin, I. A., Vasiliev, V. A., Vorobel, V., and Vylov, Ts.

Subjects
Nuclear Experiment
Abstract

In the double beta decay experiment NEMO~3 a precise knowledge of the background in the signal region is of outstanding importance. This article presents the methods used in NEMO~3 to evaluate the backgrounds resulting from most if not all possible origins. It also illustrates the power of the combined tracking-calorimetry technique used in the experiment., Comment: 32 pages, 23 figures, submitted to NIM A

Published
2009
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28. Paul trapping of radioactive 6He+ions and direct observation of their beta-decay

Author

Flechard, X., Lienard, E., Mery, A., Rodriguez, D., Ban, G., Durand, D., Duval, F., Herbane, M., Labalme, M., Mauger, F., Naviliat-Cuncic, O., Thomas, J. C., and Velten, Ph.

Subjects
Nuclear Experiment
Abstract

We demonstrate that abundant quantities of short-lived beta unstable ions can be trapped in a novel transparent Paul trap and that their decay products can directly be detected in coincidence. Low energy 6He+ (807 ms half-life) ions were extracted from the SPIRAL source at GANIL, then decelerated, cooled and bunched by means of the buffer gas cooling technique. More than 10^8 ions have been stored over a measuring period of six days and about 10^5 decay coincidences between the beta particles and the 6Li^{++} recoiling ions have been recorded. The technique can be extended to other short-lived species, opening new possibilities for trap assisted decay experiments., Comment: 4 pages, 4 figures, submitted to Phys.Rev.Lett

Published
2008
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29. Measurement of double beta decay of 100Mo to excited states in the NEMO 3 experiment

Author

Arnold, R., Augier, C., Baker, J., Barabash, A. S., Bongrand, M., Broudin, G., Brudanin, V., Caffrey, A. J., Egorov, V., Etienvre, A. I., Fatemi-Ghomi, N., Hubert, F., Hubert, Ph., Jerie, J., Jollet, C., Jullian, S., King, S., Kochetov, O., Konovalov, S. I., Kovalenko, V., Lalanne, D., Lamhamdi, T., Leccia, F., Lemi`ere, Y., Longuemare, C., Lutter, G., Marquet, Ch., Mauger, F., Nachab, A., Ohsumi, H., Perrot, F., Piquemal, F., Reyss, J. L., Ricol, J. S., Saakyan, R., Sarazin, X., Simard, L., Simkovic, F., Shitov, Yu., Smolnikov, A., S"oldner-Rembold, S., Stekl, I., Suhonen, J., Sutton, C. S., Szklarz, G., Thomas, J., Timkin, V., Tretyak, V., Umatov, V., V'ala, L., Vanyushin, I., Vasiliev, V., Vorobel, V., and Vylov, Ts.

Subjects
High Energy Physics - Experiment
Abstract

The double beta decay of 100Mo to the 0^+_1 and 2^+_1 excited states of 100Ru is studied using the NEMO 3 data. After the analysis of 8024 h of data the half-life for the two-neutrino double beta decay of 100Mo to the excited 0^+_1 state is measured to be T^(2nu)_1/2 = [5.7^{+1.3}_{-0.9}(stat)+/-0.8(syst)]x 10^20 y. The signal-to-background ratio is equal to 3. Information about energy and angular distributions of emitted electrons is also obtained. No evidence for neutrinoless double beta decay to the excited 0^+_1 state has been found. The corresponding half-life limit is T^(0nu)_1/2(0^+ --> 0^+_1) > 8.9 x 10^22 y (at 90% C.L.). The search for the double beta decay to the 2^+_1 excited state has allowed the determination of limits on the half-life for the two neutrino mode T^(2nu)_1/2(0^+ --> 2^+_1) > 1.1 x 10^21 y (at 90% C.L.) and for the neutrinoless mode T^(0nu)_1/2(0^+ --> 2^+_1) > 1.6 x 10^23 y (at 90% C.L.)., Comment: 23 pages, 7 figures, 4 tables, submitted to Nucl. Phys

Published
2006
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31. Precision measurements with LPCTrap at GANIL

Author

Liénard, E., Ban, G., Couratin, C., Delahaye, P., Durand, D., Fabian, X., Fabre, B., Fléchard, X., Finlay, P., Mauger, F., Méry, A., Naviliat-Cuncic, O., Pons, B., Porobic, T., Quéméner, G., Severijns, N., Severijns, J. C., Velten, Ph., Wada, Michiharu, editor, Schury, Peter, editor, and Ichikawa, Yuichi, editor

Published
2017
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32. Possible background reductions in double beta decay experiments

Author

Arnold, R., Augier, C., Baker, J., Barabash, A., Bing, O., Brudanin, V., Caffrey, A. J., Caurier, E., Errahmane, K., Etienvre, A. -I., Guyonnet, J. L., Hubert, F., Hubert, Ph., Jollet, C., Jullian, S., Kochetov, O., Kovalenko, V., Lalanne, D., Leccia, F., Longuemare, C., Marquet, Ch., Mauger, F., Nicholson, H. W., Ohsumi, H., Piquemal, F., Reyss, J-L., Sarazin, X., Shitov, Yu., Simard, L., Stekl, I., Suhonen, J., Sutton, C. S., Szklarz, G., Timkin, V., Tretyak, V., Umatov, V., Vala, L., Vanyushin, I., Vasilyev, V., Vorobel, V., and Vylov, Ts.

Subjects
Nuclear Experiment
Abstract

The background induced by radioactive impurities of $^{208}\rm Tl$ and $^{214}\rm Bi$ in the source of the double beta experiment NEMO-3 has been investigated. New methods of data analysis which decrease the background from the above mentioned contamination are identified. The techniques can also be applied to other double beta decay experiments capable of measuring independently the energies of the two electrons., Comment: 15 pages, 13 figures, accepted in the Nuclear Instruments and Methods A

Published
2003
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33. The BiPo-3 detector

Author

Loaiza, P., Barabash, A.S., Basharina-Freshville, A., Birdsall, E., Blondel, S., Blot, S., Bongrand, M., Boursette, D., Brudanin, V., Busto, J., Caffrey, A.J., Calvez, S., Cascella, M., Cerna, C., Chauveau, E., Chopra, A., Capua, S. De, Duchesneau, D., Durand, D., Egorov, V., Eurin, G., Evans, J.J., Fajt, L., Filosofov, D., Flack, R., Garrido, X., Gómez, H., Guillon, B., Guzowski, P., Holý, K., Hodák, R., Huber, A., Hugon, C., Jeremie, A., Jullian, S., Kauer, M., Klimenko, A., Kochetov, O., Konovalov, S.I., Kovalenko, V., Lang, K., Lemière, Y., Noblet, T. Le, Liptak, Z., Liu, X.R., Lutter, G., Macko, M., Mamedov, F., Marquet, C., Mauger, F., Morgan, B., Mott, J., Nemchenok, I., Nomachi, M., Nova, F., Ohsumi, H., Oliviéro, G., Pahlka, R.B., Pater, J., Perrot, F., Piquemal, F., Povinec, P., Přidal, P., Ramachers, Y.A., Remoto, A., Richards, B., Riddle, C.L., Rukhadze, E., Saakyan, R., Sarazin, X., Shitov, Yu., Simard, L., Šimkovic, F., Smetana, A., Smolek, K., Smolnikov, A., Söldner-Rembold, S., Soulé, B., Štekl, I., Thomas, J., Timkin, V., Torre, S., Tretyak, Vl.I., Tretyak, V.I., Umatov, V.I., Vilela, C., Vorobel, V., Waters, D., and Žukauskas, A.

Published
2017
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35. Detailed studies of 100Mo two-neutrino double beta decay in NEMO-3

Author

Arnold, R., Augier, C., Barabash, A. S., Basharina-Freshville, A., Blondel, S., Blot, S., Bongrand, M., Boursette, D., Brudanin, V., Busto, J., Caffrey, A. J., Calvez, S., Cascella, M., Cerna, C., Cesar, J. P., Chapon, A., Chauveau, E., Chopra, A., Dawson, L., Duchesneau, D., Durand, D., Dvornický, R., Egorov, V., Eurin, G., Evans, J. J., Fajt, L., Filosofov, D., Flack, R., Garrido, X., Girard-Carillo, C., Gómez, H., Guillon, B., Guzowski, P., Hodák, R., Huber, A., Hubert, P., Hugon, C., Jullian, S., Kochetov, O., Konovalov, S. I., Kovalenko, V., Lalanne, D., Lang, K., Lemière, Y., Noblet, T. Le, Liptak, Z., Liu, X. R., Loaiza, P., Lutter, G., Macko, M., Macolino, C., Mamedov, F., Marquet, C., Mauger, F., Minotti, A., Morgan, B., Mott, J., Nemchenok, I., Nomachi, M., Nova, F., Nowacki, F., Ohsumi, H., Oliviéro, G., Pahlka, R. B., Patrick, C., Perrot, F., Pin, A., Piquemal, F., Povinec, P., Přidal, P., Ramachers, Y. A., Remoto, A., Reyss, J. L., Riddle, C. L., Rukhadze, E., Saakyan, R., Salamatin, A., Salazar, R., Sarazin, X., Sedgbeer, J., Shitov, Yu., Simard, L., Šimkovic, F., Smetana, A., Smolek, K., Smolnikov, A., Söldner-Rembold, S., Soulé, B., Štekl, I., Suhonen, J., Sutton, C. S., Szklarz, G., Tedjditi, H., Thomas, J., Timkin, V., Torre, S., Tretyak, Vl. I., Tretyak, V. I., Umatov, V. I., Vanushin, I., Vilela, C., Vorobel, V., Waters, D., Xie, F., and Žukauskas, A.

Published
2019
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36. Investigation of double beta decay of 100Mo to excited states of 100Ru

Author

Arnold, R., Augier, C., Barabash, A.S., Basharina-Freshville, A., Blondel, S., Blot, S., Bongrand, M., Brudanin, V., Busto, J., Caffrey, A.J., Čermák, P., Cerna, C., Chapon, A., Chauveau, E., Dragounová, L., Duchesneau, D., Durand, D., Egorov, V., Eurin, G., Evans, J.J., Flack, R., Garrido, X., Gómez, H., Guillon, B., Guzowski, P., Hodák, R., Hubert, P., Hugon, C., Hůlka, J., Jullian, S., Klimenko, A., Kochetov, O., Konovalov, S.I., Kovalenko, V., Lalanne, D., Lang, K., Lemière, Y., Liptak, Z., Loaiza, P., Lutter, G., Mamedov, F., Marquet, C., Mauger, F., Morgan, B., Mott, J., Nemchenok, I., Nomachi, M., Nova, F., Nowacki, F., Ohsumi, H., Pahlka, R.B., Perrot, F., Piquemal, F., Povinec, P., Ramachers, Y.A., Remoto, A., Reyss, J.L., Richards, B., Riddle, C.L., Rukhadze, E., Rukhadze, N., Saakyan, R., Sarazin, X., Shitov, Yu., Simard, L., Šimkovic, F., Smetana, A., Smolek, K., Smolnikov, A., Söldner-Rembold, S., Soulé, B., Štekl, I., Suhonen, J., Sutton, C.S., Szklarz, G., Thomas, J., Timkin, V., Torre, S., Tretyak, V.I., Tretyak, Vl.I., Umatov, V., Vilela, C., Vorobel, V., Warot, G., Waters, D., and Žukauskas, A.

Published
2014
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37. The LPCTrap facility for in-trap decay experiments

Author

Rodríguez, D., Ban, G., Durand, D., Duval, F., Fléchard, X., Herbane, M., Liéard, E., Mauger, F., Méry, A., Naviliat-Cuncic, O., Thomas, J.-C., Dilling, J., editor, Comyn, M., editor, Thompson, J., editor, and Gwinner, G., editor

Published
2007
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39. Final results on 82Se82Kr double beta decay to the ground state of 82Se82Kr from the NEMO-3 experiment

Author

Arnold, R., Augier, C., Barabash, A. S., Basharina-Freshville, A., Blondel, S., Blot, S., Bongrand, M., Boursette, D., Brudanin, V., Busto, J., Caffrey, A. J., Calvez, S., Cascella, M., Cerna, C., Cesar, J. P., Chapon, A., Chauveau, E., Chopra, A., Dawson, L., Duchesneau, D., Durand, D., Egorov, V., Eurin, G., Evans, J. J., Fajt, L., Filosofov, D., Flack, R., Garrido, X., Gómez, H., Guillon, B., Guzowski, P., Hodák, R., Huber, A., Hubert, P., Hugon, C., Jullian, S., Klimenko, A., Kochetov, O., Konovalov, S. I., Kovalenko, V., Lalanne, D., Lang, K., Lemière, Y., Le Noblet, T., Liptak, Z., Liu, X. R., Loaiza, P., Lutter, G., Macolino, C., Mamedov, F., Marquet, C., Mauger, F., Morgan, B., Mott, J., Nemchenok, I., Nomachi, M., Nova, F., Nowacki, F., Ohsumi, H., Pahlka, R. B., Patrick, C., Perrot, F., Piquemal, F., Povinec, P., Přidal, P., Ramachers, Y. A., Remoto, A., Reyss, J. L., Riddle, C. L., Rukhadze, E., Rukhadze, N. I., Saakyan, R., Salazar, R., Sarazin, X., Shitov, Yu., Simard, L., Šimkovic, F., Smetana, A., Smolek, K., Smolnikov, A., Söldner-Rembold, S., Soulé, B., Štekl, I., Suhonen, J., Sutton, C. S., Szklarz, G., Thomas, J., Timkin, V., Torre, S., Tretyak, Vl. I., Tretyak, V. I., Umatov, V. I., Vanushin, I., Vilela, C., Vorobel, V., Waters, D., Xie, F., and Žukauskas, A.

Published
2018
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42. Measurement of double beta decay of $^{150}$Nd to the 0$^+_1$ excited state of $^{150}$Sm in NEMO-3

Author

Collaboration, NEMO-3, Aguerre, X., Arnold, R., Augier, C., Barabash, A. S., Basharina-Freshville, A., Blondel, S., Blot, S., Bongrand, M., Breier, R., Brudanin, V., Busto, J., Bystryakov, A., Caffrey, A. J., Cerna, C., Cesar, J. P., Ceschia, M., Chauveau, E., Chopra, A., Dawson, L., Duchesneau, D., Durand, D., Evans, J. J., Flack, R., Franchini, P., Garrido, X., Girard-Carillo, C., Guillon, B., Guzowski, P., Hoballah, M., Hodák, R., Hubert, P., Hussain, M. H., Jullian, S., Klimentko, A., Kochetov, O., Konovalov, S. I., Koňařík, F., Křižák, T., Lalanne, D., Lang, K., Lemière, Y., Li, P., Liptak, Z., Loaiza, P., Lutter, G., Macko, M., Mamedov, F., Marquet, C., Mauger, F., Minotti, A., Morgan, B., Nemchenok, I., Nomachi, M., Nova, F., Nowacki, F., Ohsumi, H., Oliviéro, G., Pahlka, R. B., Palušová, V., Patrick, C., Perrot, F., Petro, M., Pin, A., Piquemal, F., Povinec, P., Pratt, S., Přidal, P., Quinn, W. S., Ramachers, Y. A., Remoto, A., Reyss, J. L., Riddle, C. L., Rukhadze, E., Saakyan, R., Salamatin, A., Salazar, R., Sarazin, X., Sedgbeer, J., Shitov, Yu., Simard, L., Šimkovic, F., Smetana, A., Smolnikov, A., Söldner-Rembold, S., Štekl, I., Suhonen, J., Szklarz, G., Tedjditi, H., Thomas, J., Timkin, V., Tretyak, V. I., Umatov, V. I., Vanushin, I., Vereshchaka, Y., Vorobel, V., Waters, D., and Xie, F.

Subjects
FOS: Physical sciences, Nuclear Experiment (nucl-ex), Nuclear Experiment
Abstract

NEMO-3 results for the double beta decay of $^{150}$Nd to the 0 $^+_1$ and 2$^+_1$ excited states of $^{150}$Sm are reported. The data recorded during 5.25 y with 36.6 g of the isotope $^{150}$Nd were used in the analysis. For the first time the signal of $2\nu\beta\beta$ transition to the 0$^+_1$ excited state is detected with statistical significance exceeding 5 sigma. The half-life is measured to be $T_{1/2}^{2\nu\beta\beta}(0^+_1) = \left[ 1.11 ^{+0.19}_{-0.14} \,\left(\mbox{stat}\right) ^{+0.17}_{-0.15}\, \left(\mbox{syst}\right) \right] \times10^{20}\,\mbox{y}$. Limits are set on $2\nu\beta\beta$ decay to 2$^+_1$ level and on $0\nu\beta\beta$ decay to 0$^+_1$ and 2$^+_1$ levels of $^{150}$Sm., Comment: Minor corrections. Author list adapted to new collaboration rules

Published
2022
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43. Probing the interplay between geometric and electronic-structure features via high-harmonic spectroscopy.

Author

Gorman, T. T., Scarborough, T. D., Abanador, P. M., Mauger, F., Kiesewetter, D., Sándor, P., Khatri, S., Lopata, K., Schafer, K. J., Agostini, P., Gaarde, M. B., and DiMauro, L. F.

Subjects
TIME-dependent density functional theory, MOLECULAR shapes, MOLECULAR orientation, SPECTRUM analysis
Abstract

We present molecular-frame measurements of the recombination dipole matrix element (RDME) in CO2, N2O, and carbonyl sulfide (OCS) molecules using high-harmonic spectroscopy. Both the amplitudes and phases of the RDMEs exhibit clear imprints of a two-center interference minimum, which moves in energy with the molecular alignment angle relative to the laser polarization. We find that whereas the angle dependence of this minimum is consistent with the molecular geometry in CO2 and N2O, it behaves very differently in OCS; in particular, the phase shift which accompanies the two-center minimum changes sign for different alignment angles. Our results suggest that two interfering structural features contribute to the OCS RDME, namely, (i) the geometrical two-center minimum and (ii) a Cooper-like, electronic-structure minimum associated with the sulfur end of the molecule. We compare our results to ab initio calculations using time-dependent density functional theory and present an empirical model that captures both the two-center and the Cooper-like interferences. We also show that the yield from unaligned samples of two-center molecules is, in general, reduced at high photon energies compared to aligned samples, due to the destructive interference between molecules with different alignments. [ABSTRACT FROM AUTHOR]

Published
2019
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45. Search for periodic modulations of the rate of double- β decay of Mo 100 in the NEMO-3 detector

Author

Arnold R., Augier C., Barabash A. S., Basharina-Freshville A., Blondel S., Blot S., Bongrand M., Boursette D., Breier R., Brudanin V., Busto J., Caffrey A. J., Calvez S., Cerna C., Cesar J. P., Ceschia M., Chapon A., Chauveau E., Chopra A., Dawson L., Duchesneau D., Durand D., Eurin G., Evans J. J., Fajt L., Filosofov D., Flack R., Franchini P., Garrido X., Girard-Carillo C., Gomez H., Guillon B., Guzowski P., Hodak R., Huber A., Hubert P., Hugon C., Hussain M. H., Jullian S., Klimenko A., Kochetov O., Konovalov S. I., Kovalenko V., Lalanne D., Lang K., Lemiere Y., Le Noblet T., Liptak Z., Liu X. R., Loaiza P., Lutter G., Macko M., Macolino C., Mamedov F., Marquet C., Mauger F., Minotti A., Morgan B., Mott J., Nemchenok I., Nomachi M., Nova F., Nowacki F., Ohsumi H., Oliviero G., Pahlka R. B., Palusova V., Patrick C., Perrot F., Pin A., Piquemal F., Povinec P., Pridal P., Quinn W. S., Ramachers Y. A., Remoto A., Reyss J. L., Riddle C. L., Rukhadze E., Saakyan R., Salamatin A., Salazar R., Sarazin X., Sedgbeer J., Shitov Y., Simard L., Simkovic F., Smetana A., Smolnikov A., Soldner-Rembold S., Soule B., Stekl I., Suhonen J., Sutton C. S., Szklarz G., Tedjditi H., Thomas J., Timkin V., Torre S., Tretyak V. I., Umatov V. I., Vanushin I., Vilela C., Vorobel V., Waters D., Xie F., Arnold, R, Augier, C, Barabash, A, Basharina-Freshville, A, Blondel, S, Blot, S, Bongrand, M, Boursette, D, Breier, R, Brudanin, V, Busto, J, Caffrey, A, Calvez, S, Cerna, C, Cesar, J, Ceschia, M, Chapon, A, Chauveau, E, Chopra, A, Dawson, L, Duchesneau, D, Durand, D, Eurin, G, Evans, J, Fajt, L, Filosofov, D, Flack, R, Franchini, P, Garrido, X, Girard-Carillo, C, Gomez, H, Guillon, B, Guzowski, P, Hodak, R, Huber, A, Hubert, P, Hugon, C, Hussain, M, Jullian, S, Klimenko, A, Kochetov, O, Konovalov, S, Kovalenko, V, Lalanne, D, Lang, K, Lemiere, Y, Le Noblet, T, Liptak, Z, Liu, X, Loaiza, P, Lutter, G, Macko, M, Macolino, C, Mamedov, F, Marquet, C, Mauger, F, Minotti, A, Morgan, B, Mott, J, Nemchenok, I, Nomachi, M, Nova, F, Nowacki, F, Ohsumi, H, Oliviero, G, Pahlka, R, Palusova, V, Patrick, C, Perrot, F, Pin, A, Piquemal, F, Povinec, P, Pridal, P, Quinn, W, Ramachers, Y, Remoto, A, Reyss, J, Riddle, C, Rukhadze, E, Saakyan, R, Salamatin, A, Salazar, R, Sarazin, X, Sedgbeer, J, Shitov, Y, Simard, L, Simkovic, F, Smetana, A, Smolnikov, A, Soldner-Rembold, S, Soule, B, Stekl, I, Suhonen, J, Sutton, C, Szklarz, G, Tedjditi, H, Thomas, J, Timkin, V, Torre, S, Tretyak, V, Umatov, V, Vanushin, I, Vilela, C, Vorobel, V, Waters, D, and Xie, F

Subjects
Radioactivity, Decay Rate, Half-Life
Abstract

Double-beta decays of Mo100 from the 6.0195-year exposure of a 6.914 kg high-purity sample were recorded by the NEMO-3 experiment that searched for neutrinoless double-beta decays. These ultrarare transitions to Ru100 have a half-life of approximately 7×1018 years and have been used to conduct the first-ever search for periodic variations of this decay mode. The Lomb-Scargle periodogram technique, and its error-weighted extension, were employed to look for periodic modulations of the half-life. Data show no evidence at the 95% confidence level of modulations with amplitude greater than 2.5% in the frequency range of 0.33225yr-1 to 360yr-1.

Published
2021

46. Spectral modeling of scintillator for the NEMO-3 and SuperNEMO detectors

Author

Argyriades, J., Arnold, R., Augier, C., Baker, J., Barabash, A.S., Bongrand, M., Broudin-Bay, G., Brudanin, V.B., Caffrey, A.J., Cebrián, S., Chapon, A., Chauveau, E., Dafni, Th., Daraktchieva, Z., Díaz, J., Durand, D., Egorov, V.G., Evans, J.J., Fatemi-Ghomi, N., Flack, R., Basharina-Freshville, A., Fushimi, K.-I., Garrido, X., Gómez, H., Guillon, B., Holin, A., Holý, K., Horkley, J.J., Hubert, Ph., Hugon, C., Iguaz, F.J., Irastorza, I.G., Ishihara, N., Jackson, C.M., Jullian, S., Kanamaru, S., Kauer, M., Kochetov, O.I., Konovalov, S.I., Kovalenko, V.E., Lalanne, D., Lang, K., Lemière, Y., Lutter, G., Luzón, G., Mamedov, F., Marquet, Ch., Martin-Albo, J., Mauger, F., Monrabal, F., Nachab, A., Nasteva, I., Nemchenok, I.B., Nguyen, C.H., Nova, F., Novella, P., Ohsumi, H., Pahlka, R.B., Perrot, F., Piquemal, F., Povinec, P.P., Richards, B., Ricol, J.S., Riddle, C.L., Rodriguez, A., Saakyan, R., Sarazin, X., Sedgbeer, J.K., Serra, L., Simard, L., Šimkovic, F., Shitov, Yu.A., Smolnikov, A.A., Söldner-Rembold, S., Štekl, I., Sugaya, Y., Sutton, C.S., Szklarz, G., Tamagawa, Y., Thomas, J., Thompson, R., Timkin, V.V., Tretyak, V.I., Tretyak, Vl.I., Umatov, V.I., Vála, L., Vanyushin, I.A., Vasiliev, R., Vorobel, V., Vylov, Ts., Waters, D., Yahlali, N., and Žukauskas, A.

Published
2011
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47. Precision measurements with LPCTrap at GANIL

Author

Liénard, E., primary, Ban, G., additional, Couratin, C., additional, Delahaye, P., additional, Durand, D., additional, Fabian, X., additional, Fabre, B., additional, Fléchard, X., additional, Finlay, P., additional, Mauger, F., additional, Méry, A., additional, Naviliat-Cuncic, O., additional, Pons, B., additional, Porobic, T., additional, Quéméner, G., additional, Severijns, N., additional, Severijns, J. C., additional, and Velten, Ph., additional

Published
2015
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48. Using GPU parallelization to perform realistic simulations of the LPCTrap experiments

Author

Fabian, X., primary, Mauger, F., additional, Quéméner, G., additional, Velten, Ph., additional, Ban, G., additional, Couratin, C., additional, Delahaye, P., additional, Durand, D., additional, Fabre, B., additional, Finlay, P., additional, Fléchard, X., additional, Liénard, E., additional, Méry, A., additional, Naviliat-Cuncic, O., additional, Pons, B., additional, Porobic, T., additional, Severijns, N., additional, and Thomas, J. C., additional

Published
2015
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49. Detailed studies of 100 Mo two-neutrino double beta decay in NEMO-3

Author

Arnold, R, Augier, C, Barabash, A, Basharina-Freshville, A, Blondel, S, Blot, S, Bongrand, M, Boursette, D, Brudanin, V, Busto, J, Caffrey, A, Calvez, S, Cascella, M, Cerna, C, Cesar, J, Chapon, A, Chauveau, E, Chopra, A, Dawson, L, Duchesneau, D, Durand, D, Dvornicky, R, Egorov, V, Eurin, G, Evans, J, Fajt, L, Filosofov, D, Flack, R, Garrido, X, Girard-Carillo, C, Gomez, H, Guillon, B, Guzowski, P, Hodak, R, Huber, A, Hubert, P, Hugon, C, Jullian, S, Kochetov, O, Konovalov, S, Kovalenko, V, Lalanne, D, Lang, K, Lemiere, Y, Noblet, T, Liptak, Z, Liu, X, Loaiza, P, Lutter, G, Macko, M, Macolino, C, Mamedov, F, Marquet, C, Mauger, F, Minotti, A, Morgan, B, Mott, J, Nemchenok, I, Nomachi, M, Nova, F, Nowacki, F, Ohsumi, H, Oliviero, G, Pahlka, R, Patrick, C, Perrot, F, Pin, A, Piquemal, F, Povinec, P, Pridal, P, Ramachers, Y, Remoto, A, Reyss, J, Riddle, C, Rukhadze, E, Saakyan, R, Salamatin, A, Salazar, R, Sarazin, X, Sedgbeer, J, Shitov, Y, Simard, L, Simkovic, F, Smetana, A, Smolek, K, Smolnikov, A, Soldner-Rembold, S, Soule, B, Stekl, I, Suhonen, J, Sutton, C, Szklarz, G, Tedjditi, H, Thomas, J, Timkin, V, Torre, S, Tretyak, V, Umatov, V, Vanushin, I, Vilela, C, Vorobel, V, Waters, D, Xie, F, Zukauskas, A, Arnold R., Augier C., Barabash A. S., Basharina-Freshville A., Blondel S., Blot S., Bongrand M., Boursette D., Brudanin V., Busto J., Caffrey A. J., Calvez S., Cascella M., Cerna C., Cesar J. P., Chapon A., Chauveau E., Chopra A., Dawson L., Duchesneau D., Durand D., Dvornicky R., Egorov V., Eurin G., Evans J. J., Fajt L., Filosofov D., Flack R., Garrido X., Girard-Carillo C., Gomez H., Guillon B., Guzowski P., Hodak R., Huber A., Hubert P., Hugon C., Jullian S., Kochetov O., Konovalov S. I., Kovalenko V., Lalanne D., Lang K., Lemiere Y., Noblet T. L., Liptak Z., Liu X. R., Loaiza P., Lutter G., Macko M., Macolino C., Mamedov F., Marquet C., Mauger F., Minotti A., Morgan B., Mott J., Nemchenok I., Nomachi M., Nova F., Nowacki F., Ohsumi H., Oliviero G., Pahlka R. B., Patrick C., Perrot F., Pin A., Piquemal F., Povinec P., Pridal P., Ramachers Y. A., Remoto A., Reyss J. L., Riddle C. L., Rukhadze E., Saakyan R., Salamatin A., Salazar R., Sarazin X., Sedgbeer J., Shitov Y., Simard L., Simkovic F., Smetana A., Smolek K., Smolnikov A., Soldner-Rembold S., Soule B., Stekl I., Suhonen J., Sutton C. S., Szklarz G., Tedjditi H., Thomas J., Timkin V., Torre S., Tretyak V. I., Umatov V. I., Vanushin I., Vilela C., Vorobel V., Waters D., Xie F., Zukauskas A., Arnold, R, Augier, C, Barabash, A, Basharina-Freshville, A, Blondel, S, Blot, S, Bongrand, M, Boursette, D, Brudanin, V, Busto, J, Caffrey, A, Calvez, S, Cascella, M, Cerna, C, Cesar, J, Chapon, A, Chauveau, E, Chopra, A, Dawson, L, Duchesneau, D, Durand, D, Dvornicky, R, Egorov, V, Eurin, G, Evans, J, Fajt, L, Filosofov, D, Flack, R, Garrido, X, Girard-Carillo, C, Gomez, H, Guillon, B, Guzowski, P, Hodak, R, Huber, A, Hubert, P, Hugon, C, Jullian, S, Kochetov, O, Konovalov, S, Kovalenko, V, Lalanne, D, Lang, K, Lemiere, Y, Noblet, T, Liptak, Z, Liu, X, Loaiza, P, Lutter, G, Macko, M, Macolino, C, Mamedov, F, Marquet, C, Mauger, F, Minotti, A, Morgan, B, Mott, J, Nemchenok, I, Nomachi, M, Nova, F, Nowacki, F, Ohsumi, H, Oliviero, G, Pahlka, R, Patrick, C, Perrot, F, Pin, A, Piquemal, F, Povinec, P, Pridal, P, Ramachers, Y, Remoto, A, Reyss, J, Riddle, C, Rukhadze, E, Saakyan, R, Salamatin, A, Salazar, R, Sarazin, X, Sedgbeer, J, Shitov, Y, Simard, L, Simkovic, F, Smetana, A, Smolek, K, Smolnikov, A, Soldner-Rembold, S, Soule, B, Stekl, I, Suhonen, J, Sutton, C, Szklarz, G, Tedjditi, H, Thomas, J, Timkin, V, Torre, S, Tretyak, V, Umatov, V, Vanushin, I, Vilela, C, Vorobel, V, Waters, D, Xie, F, Zukauskas, A, Arnold R., Augier C., Barabash A. S., Basharina-Freshville A., Blondel S., Blot S., Bongrand M., Boursette D., Brudanin V., Busto J., Caffrey A. J., Calvez S., Cascella M., Cerna C., Cesar J. P., Chapon A., Chauveau E., Chopra A., Dawson L., Duchesneau D., Durand D., Dvornicky R., Egorov V., Eurin G., Evans J. J., Fajt L., Filosofov D., Flack R., Garrido X., Girard-Carillo C., Gomez H., Guillon B., Guzowski P., Hodak R., Huber A., Hubert P., Hugon C., Jullian S., Kochetov O., Konovalov S. I., Kovalenko V., Lalanne D., Lang K., Lemiere Y., Noblet T. L., Liptak Z., Liu X. R., Loaiza P., Lutter G., Macko M., Macolino C., Mamedov F., Marquet C., Mauger F., Minotti A., Morgan B., Mott J., Nemchenok I., Nomachi M., Nova F., Nowacki F., Ohsumi H., Oliviero G., Pahlka R. B., Patrick C., Perrot F., Pin A., Piquemal F., Povinec P., Pridal P., Ramachers Y. A., Remoto A., Reyss J. L., Riddle C. L., Rukhadze E., Saakyan R., Salamatin A., Salazar R., Sarazin X., Sedgbeer J., Shitov Y., Simard L., Simkovic F., Smetana A., Smolek K., Smolnikov A., Soldner-Rembold S., Soule B., Stekl I., Suhonen J., Sutton C. S., Szklarz G., Tedjditi H., Thomas J., Timkin V., Torre S., Tretyak V. I., Umatov V. I., Vanushin I., Vilela C., Vorobel V., Waters D., Xie F., and Zukauskas A.

Abstract

The full data set of the NEMO-3 experiment has been used to measure the half-life of the two-neutrino double beta decay of 100Mo to the ground state of 100Ru, T1/2=[6.81±0.01(stat)-0.40+0.38(syst)]×1018 year. The two-electron energy sum, single electron energy spectra and distribution of the angle between the electrons are presented with an unprecedented statistics of 5 × 10 5 events and a signal-to-background ratio of ∼ 80. Clear evidence for the Single State Dominance model is found for this nuclear transition. Limits on Majoron emitting neutrinoless double beta decay modes with spectral indices of n = 2 , 3 , 7 , as well as constraints on Lorentz invariance violation and on the bosonic neutrino contribution to the two-neutrino double beta decay mode are obtained.

Published
2019

50. Measurement of the two neutrino double beta decay half-life of Zr-96 with the NEMO-3 detector

Author

Argyriades, J., Arnold, R., Augier, C., Baker, J., Barabash, A.S., Basharina-Freshville, A., Bongrand, M., Broudin-Bay, G., Brudanin, V., Caffrey, A.J., Chapon, A., Chauveau, E., Daraktchieva, Z., Durand, D., Egorov, V., Fatemi-Ghomi, N., Flack, R., Guillon, B., Hubert, Ph., Jullian, S., Kauer, M., King, S., Klimenko, A., Kochetov, O., Konovalov, S.I., Kovalenko, V., Lalanne, D., Lamhamdi, T., Lang, K., Lemière, Y., Longuemare, C., Lutter, G., Mamedov, F., Marquet, Ch., Martin-Albo, J., Mauger, F., Nachab, A., Nasteva, I., Nemchenok, I., Nguyen, C.H., Nova, F., Novella, P., Ohsumi, H., Pahlka, R.B., Perrot, F., Piquemal, F., Reyss, J.L., Ricol, J.S., Saakyan, R., Sarazin, X., Shitov, Yu., Simard, L., Šimkovic, F., Smolnikov, A., Snow, S., Söldner-Rembold, S., Štekl, I., Suhonen, J., Sutton, C.S., Szklarz, G., Thomas, J., Timkin, V., Tretyak, V.I., Umatov, V., Vála, L., Vanyushin, I., Vasiliev, V., Vorobel, V., and Vylov, Ts.

Published
2010
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