Author: "Mougeot X" - Searchworks@Jio Institute Digital Library Search Results

Your search keyword '"Mougeot X"' showing total 238 results

Start Over Author "Mougeot X"

238 results on '"Mougeot X"'

1. Long-term temporal stability of the DarkSide-50 dark matter detector

Author: Collaboration, The DarkSide-50, Agnes, P., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Ave, M., Back, H. O., Batignani, G., Biery, K., Bocci, V., Bonivento, W. M., Bottino, B., Bussino, S., Cadeddu, M., Cadoni, M., Calaprice, F., Caminata, A., Campos, M. D., Canci, N., Caravati, M., Cargioli, N., Cariello, M., Carlini, M., Cataudella, V., Cavalcante, P., Cavuoti, S., Chashin, S., Chepurnov, A., Cicalò, C., Covone, G., D'Angelo, D., Davini, S., De Candia, A., De Cecco, S., De Filippis, G., De Rosa, G., Derbin, A. V., Devoto, A., D'Incecco, M., Dionisi, C., Dordei, F., Downing, M., D'Urso, D., Fairbairn, M., Fiorillo, G., Franco, D., Gabriele, F., Galbiati, C., Ghiano, C., Giganti, C., Giovanetti, G. K., Goretti, A. M., di Cortona, G. Grilli, Grobov, A., Gromov, M., Guan, M., Gulino, M., Hackett, B. R., Herner, K., Hessel, T., Hosseini, B., Hubaut, F., Hugues, T., Hungerford, E. V., Ianni, An., Ippolito, V., Keeter, K., Kendziora, C. L., Kimura, M., Kochanek, I., Korablev, D., Korga, G., Kubankin, A., Kuss, M., Kuźniak, M., La Commara, M., Lai, M., Li, X., Lissia, M., Longo, G., Lychagina, O., Machulin, I. N., Mapelli, L. P., Mari, S. M., Maricic, J., Messina, A., Milincic, R., Monroe, J., Morrocchi, M., Mougeot, X., Muratova, V. N., Musico, P., Nozdrina, A. O., Oleinik, A., Ortica, F., Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Pelczar, K., Pelliccia, N., Piacentini, S., Pocar, A., Poehlmann, D. M., Pordes, S., Poudel, S. S., Pralavorio, P., Price, D. D., Ragusa, F., Razeti, M., Razeto, A., Renshaw, A. L., Rescigno, M., Rode, J., Romani, A., Sablone, D., Samoylov, O., Sandford, E., Sands, W., Sanfilippo, S., Savarese, C., Schlitzer, B., Semenov, D. A., Shchagin, A., Sheshukov, A., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stracka, S., Suvorov, Y., Tartaglia, R., Testera, G., Tonazzo, A., Unzhakov, E. V., Vishneva, A., Vogelaar, R. B., Wada, M., Wang, H., Wang, Y., Westerdale, S., Wojcik, M. M., Xiao, X., Yang, C., and Zuzel, G.
Subjects: High Energy Physics - Experiment, Astrophysics - Cosmology and Nongalactic Astrophysics, Physics - Instrumentation and Detectors
Abstract: The stability of a dark matter detector on the timescale of a few years is a key requirement due to the large exposure needed to achieve a competitive sensitivity. It is especially crucial to enable the detector to potentially detect any annual event rate modulation, an expected dark matter signature. In this work, we present the performance history of the DarkSide-50 dual-phase argon time projection chamber over its almost three-year low-radioactivity argon run. In particular, we focus on the electroluminescence signal that enables sensitivity to sub-keV energy depositions. The stability of the electroluminescence yield is found to be better than 0.5%. Finally, we show the temporal evolution of the observed event rate around the sub-keV region being consistent to the background prediction., Comment: 13 pages, 5 figures
Published: 2023
Full Text: View/download PDF

2. The Data Acquisition System for Phase-III of the BeEST Experiment

Author: Bray, C., Fretwell, S., Kim, I., Warburton, W. K., Ponce, F., Leach, K. G., Friedrich, S., Abells, R., Amaro, P., Andoche, A., Cantor, R., Diercks, D., Guerra, M., Hall, A., Harris, C., Harris, J., Hayen, L., Hervieux, P. A., Kim, G. B., Lennarz, A., Lordi, V., Machado, J., Machule, P., Marino, A., McKeen, D., Mougeot, X., Ruiz, C., Samanta, A., Santos, J. P., and Stone-Whitehead, C.
Subjects: Physics - Instrumentation and Detectors, Nuclear Experiment, Quantum Physics
Abstract: The BeEST experiment is a precision laboratory search for physics beyond the standard model that measures the electron capture decay of $^7$Be implanted into superconducting tunnel junction (STJ) detectors. For Phase-III of the experiment, we constructed a continuously sampling data acquisition system to extract pulse shape and timing information from 16 STJ pixels offline. Four additional pixels are read out with a fast list-mode digitizer, and one with a nuclear MCA already used in the earlier limit-setting phases of the experiment. We present the performance of the data acquisition system and discuss the relative advantages of the different digitizers., Comment: 8 pages, 4 figures, proceedings for The 20th International Conference on Low Temperature Detectors
Published: 2023

3. Search for dark matter annual modulation with DarkSide-50

Author: Collaboration, The DarkSide-50, Agnes, P., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Ave, M., Back, H. O., Batignani, G., Biery, K., Bocci, V., Bonivento, W. M., Bottino, B., Bussino, S., Cadeddu, M., Cadoni, M., Calaprice, F., Caminata, A., Campos, M. D., Canci, N., Caravati, M., Cargioli, N., Cariello, M., Carlini, M., Cataudella, V., Cavalcante, P., Cavuoti, S., Chashin, S., Chepurnov, A., Cicalò, C., Covone, G., D'Angelo, D., Davini, S., De Candia, A., De Cecco, S., De Filippis, G., De Rosa, G., Derbin, A. V., Devoto, A., D'Incecco, M., Dionisi, C., Dordei, F., Downing, M., D'Urso, D., Fairbairn, M., Fiorillo, G., Franco, D., Gabriele, F., Galbiati, C., Ghiano, C., Giganti, C., Giovanetti, G. K., Goretti, A. M., di Cortona, G. Grilli, Grobov, A., Gromov, M., Guan, M., Gulino, M., Hackett, B. R., Herner, K., Hessel, T., Hosseini, B., Hubaut, F., Hugues, T., Hungerford, E. V., Ianni, An., Ippolito, V., Keeter, K., Kendziora, C. L., Kimura, M., Kochanek, I., Korablev, D., Korga, G., Kubankin, A., Kuss, M., Kuźniak, M., La Commara, M., Lai, M., Li, X., Lissia, M., Longo, G., Lychagina, O., Machulin, I. N., Mapelli, L. P., Mari, S. M., Maricic, J., Messina, A., Milincic, R., Monroe, J., Morrocchi, M., Mougeot, X., Muratova, V. N., Musico, P., Nozdrina, A. O., Oleinik, A., Ortica, F., Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Pelczar, K., Pelliccia, N., Piacentini, S., Pocar, A., Poehlmann, D. M., Pordes, S., Poudel, S. S., Pralavorio, P., Price, D. D., Ragusa, F., Razeti, M., Razeto, A., Renshaw, A. L., Rescigno, M., Rode, J., Romani, A., Sablone, D., Samoylov, O., Sandford, E., Sands, W., Sanfilippo, S., Savarese, C., Schlitzer, B., Semenov, D. A., Shchagin, A., Sheshukov, A., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stracka, S., Suvorov, Y., Tartaglia, R., Testera, G., Tonazzo, A., Unzhakov, E. V., Vishneva, A., Vogelaar, R. B., Wada, M., Wang, H., Wang, Y., Westerdale, S., Wojcik, M. M., Xiao, X., Yang, C., and Zuzel, G.
Subjects: High Energy Physics - Experiment, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract: Dark matter induced event rate in an Earth-based detector is predicted to show an annual modulation as a result of the Earth's orbital motion around the Sun. We searched for this modulation signature using the ionization signal of the DarkSide-50 liquid argon time projection chamber. No significant signature compatible with dark matter is observed in the electron recoil equivalent energy range above $40~{\rm eV_{ee}}$, the lowest threshold ever achieved in such a search., Comment: 8 pages, 4 figures
Published: 2023

4. Search for low mass dark matter in DarkSide-50: the bayesian network approach

Author: Collaboration, The DarkSide-50, Agnes, P., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Ave, M., Back, H. O., Batignani, G., Biery, K., Bocci, V., Bonivento, W. M., Bottino, B., Bussino, S., Cadeddu, M., Cadoni, M., Calaprice, F., Caminata, A., Campos, M. D., Canci, N., Caravati, M., Cargioli, N., Cariello, M., Carlini, M., Cataudella, V., Cavalcante, P., Cavuoti, S., Chashin, S., Chepurnov, A., Cicalò, C., Covone, G., D'Angelo, D., Davini, S., De Candia, A., De Cecco, S., De Filippis, G., De Rosa, G., Derbin, A. V., Devoto, A., D'Incecco, M., Dionisi, C., Dordei, F., Downing, M., D'Urso, D., Fairbairn, M., Fiorillo, G., Franco, D., Gabriele, F., Galbiati, C., Ghiano, C., Giganti, C., Giovanetti, G. K., Goretti, A. M., di Cortona, G. Grilli, Grobov, A., Gromov, M., Guan, M., Gulino, M., Hackett, B. R., Herner, K., Hessel, T., Hosseini, B., Hubaut, F., Hungerford, E. V., Ianni, An., Ippolito, V., Keeter, K., Kendziora, C. L., Kimura, M., Kochanek, I., Korablev, D., Korga, G., Kubankin, A., Kuss, M., La Commara, M., Lai, M., Li, X., Lissia, M., Longo, G., Lychagina, O., Machulin, I. N., Mapelli, L. P., Mari, S. M., Maricic, J., Messina, A., Milincic, R., Monroe, J., Morrocchi, M., Mougeot, X., Muratova, V. N., Musico, P., Nozdrina, A. O., Oleinik, A., Ortica, F., Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Pelczar, K., Pelliccia, N., Piacentini, S., Pocar, A., Poehlmann, D. M., Pordes, S., Poudel, S. S., Pralavorio, P., Price, D. D., Ragusa, F., Razeti, M., Razeto, A., Renshaw, A. L., Rescigno, M., Rode, J., Romani, A., Sablone, D., Samoylov, O., Sandford, E., Sands, W., Sanfilippo, S., Savarese, C., Schlitzer, B., Semenov, D. A., Shchagin, A., Sheshukov, A., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stracka, S., Suvorov, Y., Tartaglia, R., Testera, G., Tonazzo, A., Unzhakov, E. V., Vishneva, A., Vogelaar, R. B., Wada, M., Wang, H., Wang, Y., Westerdale, S., Wojcik, M. M., Xiao, X., Yang, C., and Zuzel, G.
Subjects: High Energy Physics - Experiment, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract: We present a novel approach for the search of dark matter in the DarkSide-50 experiment, relying on Bayesian Networks. This method incorporates the detector response model into the likelihood function, explicitly maintaining the connection with the quantity of interest. No assumptions about the linearity of the problem or the shape of the probability distribution functions are required, and there is no need to morph signal and background spectra as a function of nuisance parameters. By expressing the problem in terms of Bayesian Networks, we have developed an inference algorithm based on a Markov Chain Monte Carlo to calculate the posterior probability. A clever description of the detector response model in terms of parametric matrices allows us to study the impact of systematic variations of any parameter on the final results. Our approach not only provides the desired information on the parameter of interest, but also potential constraints on the response model. Our results are consistent with recent published analyses and further refine the parameters of the detector response model., Comment: 24 pages, 12 figures, 1 table
Published: 2023
Full Text: View/download PDF

5. Measurements and computational analysis on the natural decay of $^{176}$Lu

Author: Quarati, F. G. A., Bollen, G., Dorenbos, P., Eibach, M., Gulyuz, K., Hamaker, A., Izzo, C., Keblbeck, D. K., Mougeot, X., Puentes, D., Redshaw, M., Ringle, R., Sandler, R., Surbrook, J., and Yandow, I.
Subjects: Nuclear Experiment, High Energy Physics - Experiment
Abstract: Mainly because of its long half-life and despite its scientific relevance, spectroscopic measurements of $^{176}$Lu forbidden $\beta$-decays are very limited and lack formulation of shape factors. A direct precise measurement of its $Q$ value is also presently unreported. In addition, the description of forbidden decays provides interesting challenges for nuclear theory. The comparison of precise experimental results with theoretical calculations for these decays can help to test underlying models and can aid the interpretation of data from other experiments.
Published: 2022

6. Search for dark matter-nucleon interactions via Migdal effect with DarkSide-50

Author: Collaboration, The DarkSide-50, Agnes, P., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Ave, M., Back, H. O., Batignani, G., Biery, K., Bocci, V., Bonivento, W. M., Bottino, B., Bussino, S., Cadeddu, M., Cadoni, M., Calaprice, F., Caminata, A., Campos, M. D., Canci, N., Caravati, M., Cariello, M., Carlini, M., Carpinelli, M., Cataudella, V., Cavalcante, P., Cavuoti, S., Chashin, S., Chepurnov, A., Cicalò, C., Covone, G., D'Angelo, D., Davini, S., De Candia, A., De Cecco, S., De Filippis, G., De Rosa, G., Derbin, A. V., Devoto, A., D'Incecco, M., Dionisi, C., Dordei, F., Downing, M., D'Urso, D., Fairbairn, M., Fiorillo, G., Franco, D., Gabriele, F., Galbiati, C., Ghiano, C., Giganti, C., Giovanetti, G. K., Goretti, A. M., di Cortona, G. Grilli, Grobov, A., Gromov, M., Guan, M., Gulino, M., Hackett, B. R., Herner, K., Hessel, T., Hosseini, B., Hubaut, F., Hungerford, E. V., Ianni, An., Ippolito, V., Keeter, K., Kendziora, C. L., Kimura, M., Kochanek, I., Korablev, D., Korga, G., Kubankin, A., Kuss, M., La Commara, M., Lai, M., Li, X., Lissia, M., Longo, G., Lychagina, O., Machulin, I. N., Mapelli, L. P., Mari, S. M., Maricic, J., Messina, A., Milincic, R., Monroe, J., Morrocchi, M., Mougeot, X., Muratova, V. N., Musico, P., Nozdrina, A. O., Oleinik, A., Ortica, F., Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Pelczar, K., Pelliccia, N., Piacentini, S., Picciau, E., Pocar, A., Poehlmann, D. M., Pordes, S., Poudel, S. S., Pralavorio, P., Price, D. D., Ragusa, F., Razeti, M., Razeto, A., Renshaw, A. L., Rescigno, M., Rode, J., Romani, A., Sablone, D., Samoylov, O., Sands, W., Sanfilippo, S., Sanford, E., Savarese, C., Schlitzer, B., Semenov, D. A., Shchagin, A., Sheshukov, A., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stracka, S., Suvorov, Y., Tartaglia, R., Testera, G., Tonazzo, A., Unzhakov, E. V., Vishneva, A., Vogelaar, R. B., Wada, M., Wang, H., Wang, Y., Westerdale, S., Wojcik, M. M., Xiao, X., Yang, C., and Zuzel, G.
Subjects: High Energy Physics - Experiment, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract: Dark matter elastic scattering off nuclei can result in the excitation and ionization of the recoiling atom through the so-called Migdal effect. The energy deposition from the ionization electron adds to the energy deposited by the recoiling nuclear system and allows for the detection of interactions of sub-GeV/c$^2$ mass dark matter. We present new constraints for sub-GeV/c$^2$ dark matter using the dual-phase liquid argon time projection chamber of the DarkSide-50 experiment with an exposure of (12306 $\pm$ 184) kg d. The analysis is based on the ionization signal alone and significantly enhances the sensitivity of DarkSide-50, enabling sensitivity to dark matter with masses down to 40 MeV/c$^2$. Furthermore, it sets the most stringent upper limit on the spin independent dark matter nucleon cross section for masses below $3.6$ GeV/c$^2$., Comment: 7 pages, 3 figures
Published: 2022
Full Text: View/download PDF

7. Search for dark matter particle interactions with electron final states with DarkSide-50

Author: Collaboration, The DarkSide-50, Agnes, P., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Ave, M., Back, H. O., Batignani, G., Biery, K., Bocci, V., Bonivento, W. M., Bottino, B., Bussino, S., Cadeddu, M., Cadoni, M., Calaprice, F., Caminata, A., Campos, M. D., Canci, N., Caravati, M., Cariello, M., Carlini, M., Carpinelli, M., Cataudella, V., Cavalcante, P., Cavuoti, S., Chashin, S., Chepurnov, A., Cicalò, C., Covone, G., D'Angelo, D., Davini, S., De Candia, A., De Cecco, S., De Filippis, G., De Rosa, G., Derbin, A. V., Devoto, A., D'Incecco, M., Dionisi, C., Dordei, F., Downing, M., D'Urso, D., Fiorillo, G., Franco, D., Gabriele, F., Galbiati, C., Ghiano, C., Giganti, C., Giovanetti, G. K., Goretti, A. M., di Cortona, G. Grilli, Grobov, A., Gromov, M., Guan, M., Gulino, M., Hackett, B. R., Herner, K., Hessel, T., Hosseini, B., Hubaut, F., Hungerford, E. V., Ianni, An., Ippolito, V., Keeter, K., Kendziora, C. L., Kimura, M., Kochanek, I., Korablev, D., Korga, G., Kubankin, A., Kuss, M., La Commara, M., Lai, M., Li, X., Lissia, M., Longo, G., Lychagina, O., Machulin, I. N., Mapelli, L. P., Mari, S. M., Maricic, J., Messina, A., Milincic, R., Monroe, J., Morrocchi, M., Mougeot, X., Muratova, V. N., Musico, P., Nozdrina, A. O., Oleinik, A., Ortica, F., Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Pelczar, K., Pelliccia, N., Piacentini, S., Picciau, E., Pocar, A., Poehlmann, D. M., Pordes, S., Poudel, S. S., Pralavorio, P., Price, D. D., Ragusa, F., Razeti, M., Razeto, A., Renshaw, A. L., Rescigno, M., Rode, J., Romani, A., Sablone, D., Samoylov, O., Sands, W., Sanfilippo, S., Sanford, E., Savarese, C., Schlitzer, B., Semenov, D. A., Shchagin, A., Sheshukov, A., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stracka, S., Suvorov, Y., Tartaglia, R., Testera, G., Tonazzo, A., Unzhakov, E. V., Vishneva, A., Vogelaar, R. B., Wada, M., Wang, H., Wang, Y., Westerdale, S., Wojcik, M. M., Xiao, X., Yang, C., and Zuzel, G.
Subjects: High Energy Physics - Experiment, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract: We present a search for dark matter particles with sub-GeV/$c^2$ masses whose interactions have final state electrons using the DarkSide-50 experiment's (12306 $\pm$ 184) kg d low-radioactivity liquid argon exposure. By analyzing the ionization signals, we exclude new parameter space for the dark matter-electron cross section $\bar{\sigma}_e$, the axioelectric coupling constant $g_{Ae}$, and the dark photon kinetic mixing parameter $\kappa$. We also set the first dark matter direct-detection constraints on the mixing angle $\left|U_{e4}\right|^2$ for keV sterile neutrinos., Comment: 6 pages, 2 figures
Published: 2022
Full Text: View/download PDF

8. Search for low-mass dark matter WIMPs with 12 ton-day exposure of DarkSide-50

Author: Collaboration, The DarkSide-50, Agnes, P., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Ave, M., Back, H. O., Batignani, G., Biery, K., Bocci, V., Bonivento, W. M., Bottino, B., Bussino, S., Cadeddu, M., Cadoni, M., Calaprice, F., Caminata, A., Canci, N., Caravati, M., Cariello, M., Carlini, M., Carpinelli, M., Cataudella, V., Cavalcante, P., Cavuoti, S., Chashin, S., Chepurnov, A., Cicalò, C., Covone, G., D'Angelo, D., Davini, S., De Candia, A., De Cecco, S., De Filippis, G., De Rosa, G., Derbin, A. V., Devoto, A., D'Incecco, M., Dionisi, C., Dordei, F., Downing, M., D'Urso, D., Fiorillo, G., Franco, D., Gabriele, F., Galbiati, C., Ghiano, C., Giganti, C., Giovanetti, G. K., Goretti, A. M., di Cortona, G. Grilli, Grobov, A., Gromov, M., Guan, M., Gulino, M., Hackett, B. R., Herner, K., Hessel, T., Hosseini, B., Hubaut, F., Hungerford, E. V., Ianni, An., Ippolito, V., Keeter, K., Kendziora, C. L., Kimura, M., Kochanek, I., Korablev, D., Korga, G., Kubankin, A., Kuss, M., La Commara, M., Lai, M., Li, X., Lissia, M., Longo, G., Lychagina, O., Machulin, I. N., Mapelli, L. P., Mari, S. M., Maricic, J., Messina, A., Milincic, R., Monroe, J., Morrocchi, M., Mougeot, X., Muratova, V. N., Musico, P., Nozdrina, A. O., Oleinik, A., Ortica, F., Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Pelczar, K., Pelliccia, N., Piacentini, S., Picciau, E., Pocar, A., Poehlmann, D. M., Pordes, S., Poudel, S. S., Pralavorio, P., Price, D. D., Ragusa, F., Razeti, M., Razeto, A., Renshaw, A. L., Rescigno, M., Rode, J., Romani, A., Sablone, D., Samoylov, O., Sands, W., Sanfilippo, S., Sanford, E., Savarese, C., Schlitzer, B., Semenov, D. A., Shchagin, A., Sheshukov, A., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stracka, S., Suvorov, Y., Tartaglia, R., Testera, G., Tonazzo, A., Unzhakov, E. V., Vishneva, A., Vogelaar, R. B., Wada, M., Wang, H., Wang, Y., Westerdale, S., Wojcik, M. M., Xiao, X., Yang, C., and Zuzel, G.
Subjects: High Energy Physics - Experiment, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract: We report on the search for dark matter WIMPs in the mass range below 10 GeV/c$^2$, from the analysis of the entire dataset acquired with a low-radioactivity argon target by the DarkSide-50 experiment at LNGS. The new analysis benefits from more accurate calibration of the detector response, improved background model, and better determination of systematic uncertainties, allowing us to accurately model the background rate and spectra down to 0.06 keV$_{er}$. A 90% C.L. exclusion limit for the spin-independent cross section of 3 GeV/c$^2$ mass WIMP on nucleons is set at 6$\times$10$^{-43}$ cm$^2$, about a factor 10 better than the previous DarkSide-50 limit. This analysis extends the exclusion region for spin-independent dark matter interactions below the current experimental constraints in the $[1.2, 3.6]$ GeV/c$^2$ WIMP mass range., Comment: 11 pages, 12 figures
Published: 2022
Full Text: View/download PDF

9. High precision measurement of the $^6$He half-life

Author: Kanafani, M., Fléchard, X., Naviliat-Cuncic, O., Chung, G. D., Leblond, S., Liénard, E., Mougeot, X., Quéméner, G., Di Filippo, A. Simancas, and Thomas, J-C.
Subjects: Nuclear Experiment
Abstract: The half-life of $^{6}$He has been measured using a low energy radioactive beam implanted in a YAP scintillator and recording decay events in a 4$\pi$ geometry. Events were time-stamped with a digital data acquisition system enabling a reliable control of dead-time effects and detector gain variations. The result, $T_{1/2} = (807.25 \pm 0.16_{\rm stat} \pm 0.11_{\rm sys}$)~ms, provides the most precise value obtained so far and is consistent with the only previous measurement having a precision smaller than 0.1%. This resolves the longstanding discrepancy previously observed between two sets of measurements., Comment: 11 pages, 14 figures
Published: 2022
Full Text: View/download PDF

10. On the origin of the reactor antineutrino anomalies in light of a new summation model with parameterized $\beta^{-}$ transitions

Author: Letourneau, A., Savu, V., Lhuillier, D., Lasserre, Th., Materna, Th., Mention, G., Mougeot, X., Onillon, A., Perisse, L., and Vivier, M.
Subjects: High Energy Physics - Phenomenology, High Energy Physics - Experiment
Abstract: We investigate the possible origins of the norm and shape reactor antineutrino anomalies in the framework of a summation model (SM) where $\beta^{-}$ transitions are simulated by a phenomenological Gamow-Teller $\beta$-decay strength model. The general trends of the discrepancies to the Huber-Mueller model on the antineutrino side can be reproduced both in norm and shape. From the exact electron-antineutrino correspondence of the SM model, we predict similar distortions in the electron spectra, suggesting that biases on the reference fission-electron spectra could be at the origin of the anomalies.
Published: 2022
Full Text: View/download PDF

11. Influence of atomic modeling on electron capture and shaking processes

Author: Andoche, A., Mouawad, L., Hervieux, P. -A., Mougeot, X., Machado, J., and Santos, J. P.
Subjects: Physics - Atomic Physics
Abstract: Ongoing experimental efforts to measure with unprecedented precision electron-capture probabilities challenges the current theoretical models. The short range of the weak interaction necessitates an accurate description of the atomic structure down to the nucleus region. A recent electron-capture modeling has been modified in order to test the influence of three different atomic descriptions on the decay and shaking probabilities. To this end, a specific atomic modeling was developed in the framework of the relativistic density-functional theory, exploring several exchange-correlation functionals and self-interaction-corrected models. It was found that the probabilities of total shaking, tested on both photoionization and electron-capture processes, depend strongly on the accuracy of the atomic modeling. Predictions of capture probabilities have been compared with experimental values evaluated from available published data for different radionuclides from $^{7}$Be to $^{138}$La. New high-precision measurements are strongly encouraged because the accuracy of the current experimental values is insufficient to test the models beyond the inner shells., Comment: 36 pages, 7 figures and 3 tables
Published: 2021
Full Text: View/download PDF

12. Calibration of the liquid argon ionization response to low energy electronic and nuclear recoils with DarkSide-50

Author: The DarkSide collaboration, Agnes, P., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Ave, M., Back, H. O., Batignani, G., Biery, K., Bocci, V., Bonivento, W. M., Bottino, B., Bussino, S., Cadeddu, M., Cadoni, M., Calaprice, F., Caminata, A., Canci, N., Caravati, M., Cariello, M., Carlini, M., Carpinelli, M., Catalanotti, S., Cataudella, V., Cavalcante, P., Cavuoti, S., Chepurnov, A., Cicalò, C., Cocco, A. G., Covone, G., D'Angelo, D., Davini, S., De Candia, A., De Cecco, S., De Filippis, G., De Rosa, G., Derbin, A. V., Devoto, A., D'Incecco, M., Dionisi, C., Dordei, F., Downing, M., D'Urso, D., Fiorillo, G., Franco, D., Gabriele, F., Galbiati, C., Ghiano, C., Giganti, C., Giovanetti, G. K., Gorchakov, O., Goretti, A. M., Grobov, A., Gromov, M., Guan, M., Guardincerri, Y., Gulino, M., Hackett, B. R., Herner, K., Hosseini, B., Hubaut, F., Hungerford, E. V., Ianni, An., Ippolito, V., Keeter, K., Kendziora, C. L., Kochanek, I., Korablev, D., Korga, G., Kubankin, A., Kuss, M., La Commara, M., Lai, M., Li, X., Lissia, M., Longo, G., Machulin, I. N., Mapelli, L. P., Mari, S. M., Maricic, J., Martoff, C. J., Messina, A., Meyers, P. D., Milincic, R., Morrocchi, M., Mougeot, X., Muratova, V. N., Musico, P., Agasson, A. Navrer, Nozdrina, A. O., Oleinik, A., Ortica, F., Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Pelczar, K., Pelliccia, N., Picciau, E., Pocar, A., Pordes, S., Poudel, S. S., Pralavorio, P., Ragusa, F., Razeti, M., Razeto, A., Renshaw, A. L., Rescigno, M., Rode, J., Romani, A., Sablone, D., Samoylov, O., Sands, W., Sanfilippo, S., Savarese, C., Schlitzer, B., Semenov, D. A., Shchagin, A., Sheshukov, A., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stracka, S., Suvorov, Y., Tartaglia, R., Testera, G., Tonazzo, A., Unzhakov, E. V., Vishneva, A., Vogelaar, R. B., Wada, M., Wang, H., Wang, Y., Westerdale, S., Wojcik, M. M., Xiao, X., Yang, C., and Zuzel, G.
Subjects: Physics - Instrumentation and Detectors, Astrophysics - Instrumentation and Methods for Astrophysics, High Energy Physics - Experiment
Abstract: DarkSide-50 has demonstrated the high potential of dual-phase liquid argon time projection chambers in exploring interactions of WIMPs in the GeV/c$^2$ mass range. The technique, based on the detection of the ionization signal amplified via electroluminescence in the gas phase, allows to explore recoil energies down to the sub-keV range. We report here on the DarkSide-50 measurement of the ionization yield of electronic recoils down to $\sim$180~eV$_{er}$, exploiting $^{37}$Ar and $^{39}$Ar decays, and extrapolated to a few ionization electrons with the Thomas-Imel box model. Moreover, we present a model-dependent determination of the ionization response to nuclear recoils down to $\sim$500~eV$_{nr}$, the lowest ever achieved in liquid argon, using \textit{in situ} neutron calibration sources and external datasets from neutron beam experiments., Comment: 11 pages, 12 figures, 1 table
Published: 2021
Full Text: View/download PDF

13. Limits on the Existence of sub-MeV Sterile Neutrinos from the Decay of $^7$Be in Superconducting Quantum Sensors

Author: Friedrich, S., Kim, G. B., Bray, C., Cantor, R., Dilling, J., Fretwell, S., Hall, J. A., Lennarz, A., Lordi, V., Machule, P., McKeen, D., Mougeot, X., Ponce, F., Ruiz, C., Samanta, A., Warburton, W. K., and Leach, K. G.
Subjects: Nuclear Experiment, High Energy Physics - Experiment, Quantum Physics
Abstract: Sterile neutrinos are natural extensions to the standard model of particle physics and provide a possible portal to the dark sector. We report a new search for the existence of sub-MeV sterile neutrinos using the decay-momentum reconstruction technique in the decay of $^7$Be. The experiment measures the total energy of the $^7$Li daughter atom from the electron capture decay of $^7$Be implanted into sensitive superconducting tunnel junction (STJ) quantum sensors. This first experiment presents data from a single STJ operated at a low count rate for a net total of 28 days, and provides exclusion limits on sterile neutrinos in the mass range from 100 to 850 keV that improve upon previous work by up to an order of magnitude., Comment: 7 pages. 3 figures. Submitted to Physical Review Letters
Published: 2020
Full Text: View/download PDF

14. Excess Electronic Recoil Events in XENON1T

Author: Aprile, E., Aalbers, J., Agostini, F., Alfonsi, M., Althueser, L., Amaro, F. D., Antochi, V. C., Angelino, E., Angevaare, J. R., Arneodo, F., Barge, D., Baudis, L., Bauermeister, B., Bellagamba, L., Benabderrahmane, M. L., Berger, T., Brown, A., Brown, E., Bruenner, S., Bruno, G., Budnik, R., Capelli, C., Cardoso, J. M. R., Cichon, D., Cimmino, B., Clark, M., Coderre, D., Colijn, A. P., Conrad, J., Cussonneau, J. P., Decowski, M. P., Depoian, A., Di Gangi, P., Di Giovanni, A., Di Stefano, R., Diglio, S., Elykov, A., Eurin, G., Ferella, A. D., Fulgione, W., Gaemers, P., Gaior, R., Galloway, M., Gao, F., Grandi, L., Hasterok, C., Hils, C., Hiraide, K., Hoetzsch, L., Howlett, J., Iacovacci, M., Itow, Y., Joerg, F., Kato, N., Kazama, S., Kobayashi, M., Koltman, G., Kopec, A., Landsman, H., Lang, R. F., Levinson, L., Lin, Q., Lindemann, S., Lindner, M., Lombardi, F., Long, J., Lopes, J. A. M., Fune, E. López, Macolino, C., Mahlstedt, J., Mancuso, A., Manenti, L., Manfredini, A., Marignetti, F., Undagoitia, T. Marrodán, Martens, K., Masbou, J., Masson, D., Mastroianni, S., Messina, M., Miuchi, K., Mizukoshi, K., Molinario, A., Morå, K., Moriyama, S., Mosbacher, Y., Murra, M., Naganoma, J., Ni, K., Oberlack, U., Odgers, K., Palacio, J., Pelssers, B., Peres, R., Pienaar, J., Pizzella, V., Plante, G., Qin, J., Qiu, H., García, D. Ramírez, Reichard, S., Rocchetti, A., Rupp, N., Santos, J. M. F. dos, Sartorelli, G., Šarčević, N., Scheibelhut, M., Schreiner, J., Schulte, D., Schumann, M., Lavina, L. Scotto, Selvi, M., Semeria, F., Shagin, P., Shockley, E., Silva, M., Simgen, H., Takeda, A., Therreau, C., Thers, D., Toschi, F., Trinchero, G., Tunnell, C., Vargas, M., Volta, G., Wang, H., Wei, Y., Weinheimer, C., Weiss, M., Wenz, D., Wittweg, C., Xu, Z., Yamashita, M., Ye, J., Zavattini, G., Zhang, Y., Zhu, T., Zopounidis, J. P., and Mougeot, X.
Subjects: High Energy Physics - Experiment, Astrophysics - Cosmology and Nongalactic Astrophysics, High Energy Physics - Phenomenology
Abstract: We report results from searches for new physics with low-energy electronic recoil data recorded with the XENON1T detector. With an exposure of 0.65 t-y and an unprecedentedly low background rate of $76\pm2$ events/(t y keV) between 1 and 30 keV, the data enables sensitive searches for solar axions, an enhanced neutrino magnetic moment, and bosonic dark matter. An excess over known backgrounds is observed at low energies and most prominent between 2 and 3 keV. The solar axion model has a 3.4$\sigma$ significance, and a 3D 90% confidence surface is reported for axion couplings to electrons, photons, and nucleons. This surface is inscribed in the cuboid defined by $g_{ae}<3.8 \times 10^{-12}$, $g_{ae}g_{an}^{eff}<4.8\times 10^{-18}$, and $g_{ae}g_{a\gamma}<7.7\times10^{-22} GeV^{-1}$, and excludes either $g_{ae}=0$ or $g_{ae}g_{a\gamma}=g_{ae}g_{an}^{eff}=0$. The neutrino magnetic moment signal is similarly favored over background at 3.2$\sigma$ and a confidence interval of $\mu_{\nu} \in (1.4,2.9)\times10^{-11}\mu_B$ (90% C.L.) is reported. Both results are in strong tension with stellar constraints. The excess can also be explained by $\beta$ decays of tritium at 3.2$\sigma$ with a trace amount that can neither be confirmed nor excluded with current knowledge of its production and reduction mechanisms. The significances of the solar axion and neutrino magnetic moment hypotheses are reduced to 2.0$\sigma$ and 0.9$\sigma$, respectively, if an unconstrained tritium component is included in the fitting. With respect to bosonic dark matter, the excess favors a monoenergetic peak at ($2.3\pm0.2$) keV (68% C.L.) with a 3.0$\sigma$ global (4.0$\sigma$ local) significance. We also consider the possibility that $^{37}$Ar may be present in the detector and yield a 2.82 keV peak. Contrary to tritium, the $^{37}$Ar concentration can be tightly constrained and is found to be negligible., Comment: 26 pages, 15 figures. v2 added Ar37 background discussion and best-fit mass of bosonic dark matter, v3 updated Ar37 discussion, tritium estimation, and solar axion energy spectrum. Data in Fig. 2, 4, and 15, including unbinned energy points in Fig. 4, are available in 10.5281/zenodo.4088778
Published: 2020
Full Text: View/download PDF

15. Direct measurement of the $^7$Be $L/K$ capture ratio in Ta-based superconducting tunnel junctions

Author: Fretwell, S., Leach, K. G., Bray, C., Kim, G. B., Dilling, J., Lennarz, A., Mougeot, X., Ponce, F., Ruiz, C., Stackhouse, J., and Friedrich, S.
Subjects: Nuclear Experiment, Astrophysics - Solar and Stellar Astrophysics, Nuclear Theory
Abstract: We report a high-statistics measurement of the $L/K$ orbital electron capture (EC) ratio in $^7$Be embedded in cryogenic Ta. The thin Ta film formed part of a high-resolution superconducting tunnel junction (STJ) radiation detector that was used to identify the signals from different decay channels. The measured $L/K$ capture ratio of 0.070(7) is significantly larger than the only previous measurement of this quantity and the theoretical predictions that include in-medium effects. This value is a uniquely sensitive probe of the 1s and 2s orbital overlaps with the nucleus, and is of relevance to nuclear and atomic physics, as well as Li production in novae and other astrophysical scenarios. This is the first experiment that uses STJs for nuclear-recoil detection, opening a new experimental avenue for low-energy precision measurements with rare isotopes., Comment: 5 pages, 3 figures
Published: 2020
Full Text: View/download PDF

16. Activity standardization of 60Co and 106Ru/106Rh by means of the TDCR method and the importance of the beta spectrum

Author: Bobin, C., Thiam, C., M'Hayham, M.-D., and Mougeot, X.
Published: 2023
Full Text: View/download PDF

17. Improved calculations of β decay backgrounds to new physics in liquid xenon detectors

Author: Haselschwardt, SJ, Kostensalo, J, Mougeot, X, and Suhonen, J
Subjects: Atomic, Molecular, Nuclear, Particle and Plasma Physics, Nuclear & Particles Physics
Abstract: We present high-precision theoretical predictions for the electron energy spectra for the ground-state to ground-state β decays of Pb214, Pb212, and Kr85 most relevant to the background of liquid xenon dark matter detectors. The effects of nuclear structure on the spectral shapes are taken into account using large-scale shell-model calculations. Final spectra also include atomic screening and exchange effects. The impact of nuclear structure effects on the Pb214 and Pb212 spectra below ≈100 keV, pertinent for several searches for new physics, are found to be comparatively larger than those from the atomic effects alone. We find that the full calculation for Pb214 (Pb212) predicts 15.0%-23.2% (12.1%-19.0%) less event rate in a 1-15 keV energy region of interest compared to the spectrum calculated as an allowed transition when using values of the weak axial vector coupling in the range gA=0.7-1.0. The discrepancy highlights the importance of both a proper theoretical treatment and the need for direct measurements of these spectra for a thorough understanding of β decay backgrounds in future experiments.
Published: 2020

18. Development of a 4[formula omitted] detection system for the measurement of the shape of [formula omitted] spectra

Author: Singh, A., Mougeot, X., Leblond, S., Loidl, M., Sabot, B., and Nourreddine, A.
Published: 2023
Full Text: View/download PDF

19. Direct determination of the $^{138}$La $\beta$-decay $Q$ value using Penning trap mass spectrometry

Author: Sandler, R., Bollen, G., Dissanayake, J., Eibach, M., Gulyuz, K., Hamaker, A., Izzo, C., Mougeot, X., Puentes, D., Quarati, F. G. A., Redshaw, M., Ringle, R., and Yandow, I.
Subjects: Nuclear Experiment
Abstract: Background: The understanding and description of forbidden decays provides interesting challenges for nuclear theory. These calculations could help to test underlying nuclear models and interpret experimental data. Purpose: Compare a direct measurement of the $^{138}$La $\beta$-decay $Q$ value with the $\beta$-decay spectrum end-point energy measured by Quarati et al. using LaBr$_3$ detectors [Appl. Radiat. Isot. 108, 30 (2016)]. Use new precise measurements of the $^{138}$La $\beta$-decay and electron capture (EC) $Q$ values to improve theoretical calculations of the $\beta$-decay spectrum and EC probabilities. Method: High-precision Penning trap mass spectrometry was used to measure cyclotron frequency ratios of $^{138}$La, $^{138}$Ce and $^{138}$Ba ions from which $\beta$-decay and EC $Q$ values for $^{138}$La were obtained. Results: The $^{138}$La $\beta$-decay and EC $Q$ values were measured to be $Q$ = 1052.42(41) keV and $Q_{EC}$ = 1748.41(34) keV, improving the precision compared to the values obtained in the most recent atomic mass evaluation [Wang, et al., Chin. Phys. C 41, 030003 (2017)] by an order of magnitude. These results are used for improved calculations of the $^{138}$La $\beta$-decay shape factor and EC probabilities. New determinations for the $^{138}$Ce 2EC $Q$ value and the atomic masses of $^{138}$La, $^{138}$Ce, and $^{138}$Ba are also reported. Conclusion: The $^{138}$La $\beta$-decay $Q$ value measured by Quarati et al. is in excellent agreement with our new result, which is an order of magnitude more precise. Uncertainties in the shape factor calculations for $^{138}$La beta-decay using our new $Q$ value are reduced by an order of magnitude. Uncertainties in the EC probability ratios are also reduced and show improved agreement with experimental data., Comment: Nine pages, eight figures
Published: 2019
Full Text: View/download PDF

20. Search for low mass dark matter in DarkSide-50: the bayesian network approach

Author: Agnes, P., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Ave, M., Back, H. O., Batignani, G., Biery, K., Bocci, V., Bonivento, W. M., Bottino, B., Bussino, S., Cadeddu, M., Cadoni, M., Calaprice, F., Caminata, A., Campos, M. D., Canci, N., Caravati, M., Cargioli, N., Cariello, M., Carlini, M., Cataudella, V., Cavalcante, P., Cavuoti, S., Chashin, S., Chepurnov, A., Cicalò, C., Covone, G., D’Angelo, D., Davini, S., De Candia, A., De Cecco, S., De Filippis, G., De Rosa, G., Derbin, A. V., Devoto, A., D’Incecco, M., Dionisi, C., Dordei, F., Downing, M., D’Urso, D., Fairbairn, M., Fiorillo, G., Franco, D., Gabriele, F., Galbiati, C., Ghiano, C., Giganti, C., Giovanetti, G. K., Goretti, A. M., Grilli di Cortona, G., Grobov, A., Gromov, M., Guan, M., Gulino, M., Hackett, B. R., Herner, K., Hessel, T., Hosseini, B., Hubaut, F., Hungerford, E. V., Ianni, An., Ippolito, V., Keeter, K., Kendziora, C. L., Kimura, M., Kochanek, I., Korablev, D., Korga, G., Kubankin, A., Kuss, M., La Commara, M., Lai, M., Li, X., Lissia, M., Longo, G., Lychagina, O., Machulin, I. N., Mapelli, L. P., Mari, S. M., Maricic, J., Messina, A., Milincic, R., Monroe, J., Morrocchi, M., Mougeot, X., Muratova, V. N., Musico, P., Nozdrina, A. O., Oleinik, A., Ortica, F., Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Pelczar, K., Pelliccia, N., Piacentini, S., Pocar, A., Poehlmann, D. M., Pordes, S., Poudel, S. S., Pralavorio, P., Price, D. D., Ragusa, F., Razeti, M., Razeto, A., Renshaw, A. L., Rescigno, M., Rode, J., Romani, A., Sablone, D., Samoylov, O., Sandford, E., Sands, W., Sanfilippo, S., Savarese, C., Schlitzer, B., Semenov, D. A., Shchagin, A., Sheshukov, A., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stracka, S., Suvorov, Y., Tartaglia, R., Testera, G., Tonazzo, A., Unzhakov, E. V., Vishneva, A., Vogelaar, R. B., Wada, M., Wang, H., Wang, Y., Westerdale, S., Wojcik, M. M., Xiao, X., Yang, C., and Zuzel, G.
Published: 2023
Full Text: View/download PDF

21. Influence of atomic modeling on electron capture and shaking processes

Author: Andoche, A., primary, Mouawad, L., additional, Hervieux, P.-A., additional, Mougeot, X., additional, Machado, J., additional, and Santos, J. P., additional
Published: 2024
Full Text: View/download PDF

22. $\beta$-electron spectrum: static screened Coulomb field and exchange effects

Author: Najjari, B., Mougeot, X., Bé, M. -M., Bisch, C., Hervieux, P. -A., Nachab, A., and Nourreddine, A. -M.
Subjects: Physics - Atomic Physics
Abstract: We consider the energy spectrum of emitted electrons in $\beta$-decay. Exact Coulomb Dirac wave functions describing the $\beta$-electron in the Coulomb field of the daughter nucleus are used. Further, the improved wave functions which include the screening of the Coulomb field due to the atomic electron cloud are also used. Thus, the interaction between the $\beta$-electron and the field due to the daughter atom is treated within a nonperturbative approach. Are shown the modifications due to the screening on the $\beta$ spectra and shown that those effects are very important. In addition, are addressed the contributions to the $\beta$ spectra due to the exchange terms and shown that the corresponding effects can be substantial. Higher orders arising from the multipole expansion are considered. A comparison of the theoretical results obtained in this work has been made with recent experimental data and a very good agreement was observed., Comment: 9 pages and 3 figures submitted to PRA
Published: 2014

23. Structure of unbound neutron-rich $^{9}$He studied using single-neutron transfer

Author: Kalanee, T. Al, Gibelin, J., Roussel-Chomaz, P., Keeley, N., Beaumel, D., Blumenfeld, Y., Fernandez-DomÄ{\pm}nguez, B., Force, C., Gaudefroy, L., Gillibert, A., Guillot, J., Iwasaki, H., Krupko, S., Lapoux, V., Mittig, W., Mougeot, X., Nalpas, L., Pollacco, E., Rusek, K., Roger, T., Savajols, H., De Séréville, N., Sidorchuk, S., Suzuki, D., Strojek, I., and Orr, N. A.
Subjects: Nuclear Experiment
Abstract: The 8He(d,p) reaction was studied in inverse kinematics at 15.4A MeV using the MUST2 Si-CsI array in order to shed light on the level structure of 9He. The well known 16O(d,p)17O reaction, performed here in reverse kinematics, was used as a test to validate the experimental methods. The 9He missing mass spectrum was deduced from the kinetic energies and emission angles of the recoiling protons. Several structures were observed above the neutron-emission threshold and the angular distributions were used to deduce the multipolarity of the transitions. This work confirms that the ground state of 9He is located very close to the neutron threshold of 8He and supports the occurrence of parity inversion in 9He., Comment: Exp\'erience GANIL/SPIRAL1/MUST2
Published: 2013
Full Text: View/download PDF

24. Emergence of the N=16 shell gap in 21O

Author: Fernandez-Dominguez, B., Thomas, J. S., Catford, W. N., Delaunay, F., Brown, S. M., Orr, N. A., Rejmund, M., Achouri, N. L., Falou, H. Al, Ashwood, N. A., Beaumel, D., Blumenfeld, Y., Brown, B. A., Chapman, R., Chartier, M., Curtis, N., Force, C., de France, G., Franchoo, S., Guillot, J., Haigh, P., Hammache, F., Labiche, M., Lapoux, V., Lemmon, R. C., Marechal, F., Moro, A., Martin, B., Mougeot, X., Mouginot, B., Nalpas, L., Navin, A., Patterson, N., Pietras, B., Pollacco, E. C., Leprince, A., Ramus, A., Scarpaci, J. A., de Séréville, N., Stefan, I., Sorlin, O., and Wilson, G.
Subjects: Nuclear Experiment
Abstract: The spectroscopy of 21O has been investigated using a radioactive 20O beam and the (d,p) reaction in inverse kinematics. The ground and first excited states have been determined to be Jpi=5/2+ and Jpi=1/2+ respectively. Two neutron unbound states were observed at excitation energies of 4.76 +- 0.10 and 6.16 +- 0.11. The spectroscopic factor deduced for the lower of these interpreted as a 3/2+ level, reveals a rather pure 0d3/2 single-particle configuration. The large energy difference between the 3/2+ and 1/2+ states is indicative of the emergence of the N=16 magic number. For the higher lying resonance, which has a character consistent with a spin-parity assignment of 3/2+ or 7/2-, a 71% branching ratio to the first 2+ state in 20O has been observed. The results are compared with new shell model calculations., Comment: 5 pages, 2 figures
Published: 2010
Full Text: View/download PDF

25. Search for dark-matter–Nucleon interactions via Migdal effect with DarkSide-50

Author: Agnes, P., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Ave, M., Back, H. O., Batignani, G., Biery, K., Bocci, V., Bonivento, W. M., Bottino, B., Bussino, S., Cadeddu, M., Cadoni, M., Calaprice, F., Caminata, A., Campos, M. D., Canci, N., Caravati, M., Cargioli, N., Cariello, M., Carlini, M., Cataudella, V., Cavalcante, P., Cavuoti, S., Chashin, S., Chepurnov, A., Cicalò, C., Covone, G., D’Angelo, D., Davini, S., De Candia, A., De Cecco, S., De Filippis, G., De Rosa, G., Derbin, A. V., Devoto, A., D’Incecco, M., Dionisi, C., Dordei, F., Downing, M., D’Urso, D., Fairbairn, M., Fiorillo, G., Franco, D., Gabriele, F., Galbiati, C., Ghiano, C., Giganti, C., Giovanetti, G. K., Goretti, A. M., Grilli di Cortona, G., Grobov, A., Gromov, M., Guan, M., Gulino, M., Hackett, B. R., Herner, K., Hessel, T., Hosseini, B., Hubaut, F., Hungerford, E. V., Ianni, An., Ippolito, V., Keeter, K., Kendziora, C. L., Kimura, M., Kochanek, I., Korablev, D., Korga, G., Kubankin, A., Kuss, M., La Commara, M., Lai, M., Li, X., Lissia, M., Longo, G., Lychagina, O., Machulin, I. N., Mapelli, L. P., Mari, S. M., Maricic, J., Messina, A., Milincic, R., Monroe, J., Morrocchi, M., Mougeot, X., Muratova, V. N., Musico, P., Nozdrina, A. O., Oleinik, A., Ortica, F., Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Pelczar, K., Pelliccia, N., Piacentini, S., Pocar, A., Poehlmann, D. M., Pordes, S., Poudel, S. S., Pralavorio, P., Price, D. D., Ragusa, F., Razeti, M., Razeto, A., Renshaw, A. L., Rescigno, M., Rode, J., Romani, A., Sablone, D., Samoylov, O., Sandford, E., Sands, W., Sanfilippo, S., Savarese, C., Schlitzer, B., Semenov, D. A., Shchagin, A., Sheshukov, A., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stracka, S., Suvorov, Y., Tartaglia, R., Testera, G., Tonazzo, A., Unzhakov, E. V., Vishneva, A., Vogelaar, R. B., Wada, M., Wang, H., Wang, Y., Westerdale, S., Wojcik, M. M., Xiao, X., Yang, C., Zuzel, G., Royal Holloway [University of London] (RHUL), Universidade de São Paulo = University of São Paulo (USP), Pacific Northwest National Laboratory (PNNL), University of South Dakota [Vermillion] (USD), Istituto Nazionale di Fisica Nucleare [Pisa] (INFN), Istituto Nazionale di Fisica Nucleare (INFN), Fermi National Accelerator Laboratory (Fermilab), Istituto Nazionale di Fisica Nucleare [Sezione di Roma 1] (INFN), Istituto Nazionale di Fisica Nucleare, Istituto Nazionale di Fisica Nucleare, Sezione di Cagliari (INFN, Sezione di Cagliari), Università degli studi di Genova = University of Genoa (UniGe), Università degli Studi di Cagliari = University of Cagliari (UniCa), Princeton University, Istituto Nazionale di Fisica Nucleare, Sezione di Genova (INFN, Sezione di Genova), King‘s College London, Laboratori Nazionali del Gran Sasso (LNGS), University of Naples Federico II = Università degli studi di Napoli Federico II, Virginia Tech [Blacksburg], D.V. Skobeltsyn Institute of Nuclear Physics (SINP), Lomonosov Moscow State University (MSU), Università degli Studi di Milano = University of Milan (UNIMI), Saint Petersburg Nuclear Physics Institute RAS, St Petersburg Nuclear Physics Institute, University of Massachusetts System (UMASS), Università degli Studi di Sassari = University of Sassari [Sassari] (UNISS), AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Department of Physics, Princeton University (DPPU), INFN Frascati, Institute of Molecular Genetics of National Research Centre «Kurchatov Institute» [Moscow, Russia], Russian Academy of Sciences [Moscow] (RAS), Institute of High Energy Physics [Beijing] (IHEP), Chinese Academy of Sciences [Changchun Branch] (CAS), Università degli Studi di Enna ' KORE ' = Kore University of Enna, Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), University of Houston [Clear Lake], Black Hills State University, Nicolaus Copernicus Astronomical Cente (AstroCeNT), Joint Institute for Nuclear Research (JINR), University of Houston, Belgorod National Research University, University of California (UC), University of Hawai'i [Hilo], Laboratoire National Henri Becquerel (LNHB), Département Métrologie Instrumentation & Information (DM2I), Laboratoire d'Intégration des Systèmes et des Technologies (LIST (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)-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)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Università degli Studi di Perugia = University of Perugia (UNIPG), Istituto Nazionale di Fisica Nucleare, Sezione di Catania (INFN), Università degli studi di Catania = University of Catania (Unict), University of Massachusetts [Amherst] (UMass Amherst), University of California [Davis] (UC Davis), University of Manchester [Manchester], Università degli Studi di Roma Tor Vergata [Roma], Uniwersytet Jagielloński w Krakowie = Jagiellonian University (UJ), DarkSide Collaboration, Agnes, P., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Ave, M., Back, H. O., Batignani, G., Biery, K., Bocci, V., Bonivento, W. M., Bottino, B., Bussino, S., Cadeddu, M., Cadoni, M., Calaprice, F., Caminata, A., Campos, M. D., Canci, N., Caravati, M., Cargioli, N., Cariello, M., Carlini, M., Cataudella, V., Cavalcante, P., Cavuoti, S., Chashin, S., Chepurnov, A., Cicalò, C., Covone, G., D’Angelo, D., Davini, S., De Candia, A., De Cecco, S., De Filippis, G., De Rosa, G., Derbin, A. V., Devoto, A., D’Incecco, M., Dionisi, C., Dordei, F., Downing, M., D’Urso, D., Fairbairn, M., Fiorillo, G., Franco, D., Gabriele, F., Galbiati, C., Ghiano, C., Giganti, C., Giovanetti, G. K., Goretti, A. M., Grilli di Cortona, G., Grobov, A., Gromov, M., Guan, M., Gulino, M., Hackett, B. R., Herner, K., Hessel, T., Hosseini, B., Hubaut, F., Hungerford, E. V., Ianni, An., Ippolito, V., Keeter, K., Kendziora, C. L., Kimura, M., Kochanek, I., Korablev, D., Korga, G., Kubankin, A., Kuss, M., La Commara, M., Lai, M., Li, X., Lissia, M., Longo, G., Lychagina, O., Machulin, I. N., Mapelli, L. P., Mari, S. M., Maricic, J., Messina, A., Milincic, R., Monroe, J., Morrocchi, M., Mougeot, X., Muratova, V. N., Musico, P., Nozdrina, A. O., Oleinik, A., Ortica, F., Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Pelczar, K., Pelliccia, N., Piacentini, S., Pocar, A., Poehlmann, D. M., Pordes, S., Poudel, S. S., Pralavorio, P., Price, D. D., Ragusa, F., Razeti, M., Razeto, A., Renshaw, A. L., Rescigno, M., Rode, J., Romani, A., Sablone, D., Samoylov, O., Sandford, E., Sands, W., Sanfilippo, S., Savarese, C., Schlitzer, B., Semenov, D. A., Shchagin, A., Sheshukov, A., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stracka, S., Suvorov, Y., Tartaglia, R., Testera, G., Tonazzo, A., Unzhakov, E. V., Vishneva, A., Vogelaar, R. B., Wada, M., Wang, H., Wang, Y., Westerdale, S., Wojcik, M. M., Xiao, X., Yang, C., and Zuzel, G.
Subjects: instrumentation, electrons, General Physics and Astronomy, dark matter direct detection, dark matter mass, radioactivity, ionization, Dark matter, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], particle interaction, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], electron final state, ionizing radiation, signal processing, experimental results
Abstract: Dark matter elastic scattering off nuclei can result in the excitation and ionization of the recoiling atom through the so-called Migdal effect. The energy deposition from the ionization electron adds to the energy deposited by the recoiling nuclear system and allows for the detection of interactions of sub-GeV/c2 mass dark matter. We present new constraints for sub-GeV/c2 dark matter using the dual-phase liquid argon time projection chamber of the DarkSide-50 experiment with an exposure of (12 306±184) kg d. The analysis is based on the ionization signal alone and significantly enhances the sensitivity of DarkSide-50, enabling sensitivity to dark matter with masses down to 40 MeV/c2. Furthermore, it sets the most stringent upper limit on the spin independent dark matter nucleon cross section for masses below 3.6 GeV/c2.
Published: 2023

26. Search for dark matter annual modulation with DarkSide-50

Author: 50 Collaboration, Agnes, P., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Ave, M., Back, H. O., Batignani, G., Biery, K., Bocci, V., Bonivento, W. M., Bottino, B., Bussino, S., Cadeddu, M., Cadoni, M., Calaprice, F., Caminata, A., Campos, M. D., Canci, N., Caravati, M., Cargioli, N., Cariello, M., Carlini, M., Cataudella, V., Cavalcante, P., Cavuoti, S., Chashin, S., Chepurnov, A., Cicalò, C., Covone, G., D'Angelo, D., Davini, S., De Candia, A., De Cecco, S., De Filippis, G., De Rosa, G., Derbin, A. V., Devoto, A., D'Incecco, M., Dionisi, C., Dordei, F., Downing, M., D'Urso, D., Fairbairn, M., Fiorillo, G., Franco, D., Gabriele, F., Galbiati, C., Ghiano, C., Giganti, C., Giovanetti, G. K., Goretti, A. M., di Cortona, G. Grilli, Grobov, A., Gromov, M., Guan, M., Gulino, M., Hackett, B. R., Herner, K., Hessel, T., Hosseini, B., Hubaut, F., Hugues, T., Hungerford, E. V., Ianni, An., Ippolito, V., Keeter, K., Kendziora, C. L., Kimura, M., Kochanek, I., Korablev, D., Korga, G., Kubankin, A., Kuss, M., Kuźniak, M., La Commara, M., Lai, M., Li, X., Lissia, M., Longo, G., Lychagina, O., Machulin, I. N., Mapelli, L. P., Mari, S. M., Maricic, J., Messina, A., Milincic, R., Monroe, J., Morrocchi, M., Mougeot, X., Muratova, V. N., Musico, P., Nozdrina, A. O., Oleinik, A., Ortica, F., Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Pelczar, K., Pelliccia, N., Piacentini, S., Pocar, A., Poehlmann, D. M., Pordes, S., Poudel, S. S., Pralavorio, P., Price, D. D., Ragusa, F., Razeti, M., Razeto, A., Renshaw, A. L., Rescigno, M., Rode, J., Romani, A., Sablone, D., Samoylov, O., Sandford, E., Sands, W., Sanfilippo, S., Savarese, C., Schlitzer, B., Semenov, D. A., Shchagin, A., Sheshukov, A., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stracka, S., Suvorov, Y., Tartaglia, R., Testera, G., Tonazzo, A., Unzhakov, E. V., Vishneva, A., Vogelaar, R. B., Wada, M., Wang, H., Wang, Y., Westerdale, S., Wojcik, M. M., Xiao, X., Yang, C., and Zuzel, G.
Subjects: High Energy Physics - Experiment (hep-ex), Cosmology and Nongalactic Astrophysics (astro-ph.CO), FOS: Physical sciences, High Energy Physics - Experiment, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract: Dark matter induced event rate in an Earth-based detector is predicted to show an annual modulation as a result of the Earth's orbital motion around the Sun. We searched for this modulation signature using the ionization signal of the DarkSide-50 liquid argon time projection chamber. No significant signature compatible with dark matter is observed in the electron recoil equivalent energy range above $40~{\rm eV_{ee}}$, the lowest threshold ever achieved in such a search., 8 pages, 4 figures
Published: 2023

27. Search for low-mass dark matter WIMPs with 12 ton-day exposure of DarkSide-50

Author: Agnes, P., Albuquerque, I.F.M., Alexander, T., Alton, A.K., Ave, M., Back, H.O., Batignani, G., Biery, K., Bocci, V., Bonivento, W.M., Bottino, B., Bussino, S., Cadeddu, M., Cadoni, M., Calaprice, F., Caminata, A., Campos, M.D., Canci, N., Caravati, M., Cariello, M., Carlini, M., Carpinelli, M., Cataudella, V., Cavalcante, P., Cavuoti, S., Chashin, S., Chepurnov, A., Cicalò, C., Covone, G., d'Angelo, D., Davini, S., de Candia, A., de Cecco, S., de Filippis, G., de Rosa, G., Derbin, A.V., Devoto, A., d'Incecco, M., Dionisi, C., Dordei, F., Downing, M., d'Urso, D., Fairbairn, M., Fiorillo, G., Franco, D., Gabriele, F., Galbiati, C., Ghiano, C., Giganti, C., Giovanetti, G.K., Goretti, A.M., Di Cortona, G. Grilli, Grobov, A., Gromov, M., Guan, M., Gulino, M., Hackett, B.R., Herner, K., Hessel, T., Hosseini, B., Hubaut, F., Hungerford, E.V., Ianni, An., Ippolito, V., Keeter, K., Kendziora, C.L., Kimura, M., Kochanek, I., Korablev, D., Korga, G., Kubankin, A., Kuss, M., La Commara, M., Lai, M., Li, X., Lissia, M., Longo, G., Lychagina, O., Machulin, I.N., Mapelli, L.P., Mari, S.M., Maricic, J., Martoff, C.J., Messina, A., Milincic, R., Monroe, J., Morrocchi, M., Mougeot, X., Muratova, V.N., Musico, P., Nozdrina, A.O., Oleinik, A., Ortica, F., Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Pelczar, K., Pelliccia, N., Piacentini, S., Picciau, E., Pocar, A., Poehlmann, D.M., Pordes, S., Poudel, S.S., Pralavorio, P., Price, D.D., Ragusa, F., Razeti, M., Razeto, A., Renshaw, A.L., Rescigno, M., Rode, J., Romani, A., Sablone, D., Samoylov, O., Sands, W., Sanfilippo, S., Sanford, E., Savarese, C., Schlitzer, B., Semenov, D.A., Shchagin, A., Sheshukov, A., Skorokhvatov, M.D., Smirnov, O., Sotnikov, A., Stracka, S., Suvorov, Y., Tartaglia, R., Testera, G., Tonazzo, A., Unzhakov, E.V., Vishneva, A., Vogelaar, R.B., Wada, M., Wang, H., Wang, Y., Westerdale, S., Wojcik, M.M., Xiao, X., Yang, C., Zuzel, G., Agnes, P., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Ave, M., Back, H. O., Batignani, G., Biery, K., Bocci, V., Bonivento, W. M., Bottino, B., Bussino, S., Cadeddu, M., Cadoni, M., Calaprice, F., Caminata, A., Canci, N., Caravati, M., Cargioli, N., Cariello, M., Carlini, M., Cataudella, V., Cavalcante, P., Cavuoti, S., Chashin, S., Chepurnov, A., Cicalò, C., Covone, G., D’Angelo, D., Davini, S., De Candia, A., De Cecco, S., De Filippis, G., De Rosa, G., Derbin, A. V., Devoto, A., D’Incecco, M., Dionisi, C., Dordei, F., Downing, M., D’Urso, D., Fiorillo, G., Franco, D., Gabriele, F., Galbiati, C., Ghiano, C., Giganti, C., Giovanetti, G. K., Goretti, A. M., Grilli di Cortona, G., Grobov, A., Gromov, M., Guan, M., Gulino, M., Hackett, B. R., Herner, K., Hessel, T., Hosseini, B., Hubaut, F., Hungerford, E. V., Ianni, An., Ippolito, V., Keeter, K., Kendziora, C. L., Kimura, M., Kochanek, I., Korablev, D., Korga, G., Kubankin, A., Kuss, M., La Commara, M., Lai, M., Li, X., Lissia, M., Longo, G., Lychagina, O., Machulin, I. N., Mapelli, L. P., Mari, S. M., Maricic, J., Messina, A., Milincic, R., Monroe, J., Morrocchi, M., Mougeot, X., Muratova, V. N., Musico, P., Nozdrina, A. O., Oleinik, A., Ortica, F., Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Pelczar, K., Pelliccia, N., Piacentini, S., Pocar, A., Poehlmann, D. M., Pordes, S., Poudel, S. S., Pralavorio, P., Price, D. D., Ragusa, F., Razeti, M., Razeto, A., Renshaw, A. L., Rescigno, M., Rode, J., Romani, A., Sablone, D., Samoylov, O., Sands, W., Sanfilippo, S., Sandford, E., Savarese, C., Schlitzer, B., Semenov, D. A., Shchagin, A., Sheshukov, A., Skorokhvatov, M. D., Smirnov, O., Sotnikov, A., Stracka, S., Suvorov, Y., Tartaglia, R., Testera, G., Tonazzo, A., Unzhakov, E. V., Vishneva, A., Vogelaar, R. B., Wada, M., Wang, H., Wang, Y., Westerdale, S., Wojcik, M. M., Xiao, X., Yang, C., Zuzel, G., Royal Holloway [University of London] (RHUL), Universidade de São Paulo = University of São Paulo (USP), Pacific Northwest National Laboratory (PNNL), University of South Dakota [Vermillion] (USD), Istituto Nazionale di Fisica Nucleare [Pisa] (INFN), Istituto Nazionale di Fisica Nucleare (INFN), Fermi National Accelerator Laboratory (Fermilab), Istituto Nazionale di Fisica Nucleare [Sezione di Roma 1] (INFN), Istituto Nazionale di Fisica Nucleare, Istituto Nazionale di Fisica Nucleare, Sezione di Cagliari (INFN, Sezione di Cagliari), Università degli studi di Genova = University of Genoa (UniGe), Princeton University, Istituto Nazionale di Fisica Nucleare, Sezione di Genova (INFN, Sezione di Genova), Gran Sasso Science Institute, INFN, University of Naples Federico II = Università degli studi di Napoli Federico II, Virginia Tech [Blacksburg], D.V. Skobeltsyn Institute of Nuclear Physics (SINP), Lomonosov Moscow State University (MSU), Istituto Nazionale di Fisica Nucleare, Sezione di Milano (INFN), Università degli Studi di Cagliari = University of Cagliari (UniCa), University of Massachusetts System (UMASS), Università degli Studi di Sassari = University of Sassari [Sassari] (UNISS), Istituto Nazionale di Fisica Nucleare, Sezione di Napoli (INFN, Sezione di Napoli), AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), INFN Frascati, Institute of Molecular Genetics of National Research Centre «Kurchatov Institute» [Moscow, Russia], Russian Academy of Sciences [Moscow] (RAS), Institute of High Energy Physics [Beijing] (IHEP), Chinese Academy of Sciences [Changchun Branch] (CAS), Università degli Studi di Enna ' KORE ' = Kore University of Enna, Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), University of Houston, Black Hills State University, Nicolaus Copernicus Astronomical Cente (AstroCeNT), Joint Institute for Nuclear Research (JINR), Belgorod National Research University, University of California [Los Angeles] (UCLA), University of California (UC), University of Hawai'i [Hilo], Laboratoire National Henri Becquerel (LNHB), Département Métrologie Instrumentation & Information (DM2I), Laboratoire d'Intégration des Systèmes et des Technologies (LIST (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)-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)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Università degli Studi di Perugia = University of Perugia (UNIPG), Istituto Nazionale di Fisica Nucleare, Sezione di Catania (INFN), Università degli studi di Catania = University of Catania (Unict), INFN Laboratori Nazionali del Gran Sasso, University of Massachusetts [Amherst] (UMass Amherst), University of Manchester [Manchester], Università degli Studi di Milano = University of Milan (UNIMI), Università degli Studi Roma Tre = Roma Tre University (ROMA TRE), Moscow State Engineering Physics Institute (MEPhI), Università degli Studi di Roma 'La Sapienza' = Sapienza University [Rome] (UNIROMA), Nicolaus Copernicus Astronomical Center (AstroCENT), Uniwersytet Jagielloński w Krakowie = Jagiellonian University (UJ), SCOAP, DarkSide-50, and HEP, INSPIRE
Subjects: WIMP nucleon: scattering, data analysis method, Cosmology and Nongalactic Astrophysics (astro-ph.CO), dark matter: interaction, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], dark matter interaction, background: model, FOS: Physical sciences, WIMP: mass, WIMP nucleon scattering, spin: dependence, Detector calibration, WIMP: dark matter, spin dependence, argon: target, dark matter, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], detector: calibration, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], cross section: upper limit, instrumentation, detector, mass dependence, Gran Sasso, WIMP mass, radioactivity, argon, [PHYS.ASTR] Physics [physics]/Astrophysics [astro-ph], [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], experimental results, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract: We report on the search for dark matter WIMPs in the mass range below 10 GeV/c$^2$, from the analysis of the entire dataset acquired with a low-radioactivity argon target by the DarkSide-50 experiment at LNGS. The new analysis benefits from more accurate calibration of the detector response, improved background model, and better determination of systematic uncertainties, allowing us to accurately model the background rate and spectra down to 0.06 keV$_{er}$. A 90% C.L. exclusion limit for the spin-independent cross section of 3 GeV/c$^2$ mass WIMP on nucleons is set at 6$\times$10$^{-43}$ cm$^2$, about a factor 10 better than the previous DarkSide-50 limit. This analysis extends the exclusion region for spin-independent dark matter interactions below the current experimental constraints in the $[1.2, 3.6]$ GeV/c$^2$ WIMP mass range., 11 pages, 12 figures
Published: 2023

28. Development of a 4π detection system for the measurement of the shape of β spectra

Author: Singh, A., primary, Mougeot, X., additional, Leblond, S., additional, Loidl, M., additional, Sabot, B., additional, and Nourreddine, A., additional
Published: 2023
Full Text: View/download PDF

29. Reprint of experiments and theory of 138La radioactive decay

Author: Quarati, F.G.A., Dorenbos, P., and Mougeot, X.
Published: 2016
Full Text: View/download PDF

30. Investigation of the response variability of ionization chambers for the standard transfer of SIR-Spheres®

Author: Thiam, C., Bobin, C., Lourenço, V., Chisté, V., Amiot, M.-N., Mougeot, X., Lacour, D., Rigoulay, F., and Ferreux, L.
Published: 2016
Full Text: View/download PDF

31. Systematic comparison of beta spectra calculations using improved analytical screening correction with experimental shape factors

Author: Mougeot, X.
Published: 2016
Full Text: View/download PDF

32. Experiments and theory of 138La radioactive decay

Author: Quarati, F.G.A., Dorenbos, P., and Mougeot, X.
Published: 2016
Full Text: View/download PDF

33. Measurements and computational analysis of the natural decay of Lu176

Author: Quarati, F. G. A., primary, Bollen, G., additional, Dorenbos, P., additional, Eibach, M., additional, Gulyuz, K., additional, Hamaker, A., additional, Izzo, C., additional, Keblbeck, D. K., additional, Mougeot, X., additional, Puentes, D., additional, Redshaw, M., additional, Ringle, R., additional, Sandler, R., additional, Surbrook, J., additional, and Yandow, I., additional
Published: 2023
Full Text: View/download PDF

34. Updated evaluation of potential ultralow Q -value β -decay candidates

Author: Keblbeck, D. K., primary, Bhandari, R., additional, Gamage, N. D., additional, Horana Gamage, M., additional, Leach, K. G., additional, Mougeot, X., additional, and Redshaw, M., additional
Published: 2023
Full Text: View/download PDF

35. Origin of the Reactor Antineutrino Anomalies in Light of a New Summation Model with Parametrized β− Transitions

Author: Letourneau, A., primary, Savu, V., additional, Lhuillier, D., additional, Lasserre, T., additional, Materna, T., additional, Mention, G., additional, Mougeot, X., additional, Onillon, A., additional, Perisse, L., additional, and Vivier, M., additional
Published: 2023
Full Text: View/download PDF

36. Measurements and computational analysis on the natural decay of $^{176}$Lu

Author: Quarati, F. G. A., Bollen, G., Dorenbos, P., Eibach, M., Gulyuz, K., Hamaker, A., Izzo, C., Keblbeck, D. K., Mougeot, X., Puentes, D., Redshaw, M., Ringle, R., Sandler, R., Surbrook, J., Yandow, I., Delft University of Technology (TU Delft), National Superconducting Cyclotron Laboratory (NSCL), Michigan State University [East Lansing], Michigan State University System-Michigan State University System, Facility for Rare Isotope Beams and Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824 (FRIB), Central Michigan University (CMU), Universität Greifswald - University of Greifswald, Michigan State University System, Laboratoire National Henri Becquerel (LNHB), Département Métrologie Instrumentation & Information (DM2I), Laboratoire d'Intégration des Systèmes et des Technologies (LIST (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)-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)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), and European Project: 605728,EC:FP7:PEOPLE,FP7-PEOPLE-2013-COFUND,P.R.I.M.E.(2014)
Subjects: instrumentation, spectroscopy, [PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th], Decay data measurement, FOS: Physical sciences, Primary activity measurement, 176Lu, spectrum analysis, Lutetium, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], High Energy Physics - Experiment, spectrometry, High Energy Physics - Experiment (hep-ex), metrology, radioactivity, beta-rays, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Nuclear Experiment (nucl-ex), ionizing radiation, beta spectrum, Nuclear Experiment, nuclear instrumentation
Abstract: International audience; Background: Mainly because of its long half-life and despite its scientific relevance, spectroscopic measurements of 176Lu beta decays are very limited and lack formulation of shape factors. Direct measurement of its Q-value is also presently unreported. In addition, the description of forbidden decays provides interesting challenges for nuclear theory. The comparison of precise experimental results with theoretical calculations for these decays can help to test underlying models and can aid the interpretation of data from other experiments.Purpose: Perform the first precision measurement of 176Lu beta-decay spectrum and attempt the observation of its electron capture decays, as well as perform the first precision direct measurement of the 176Lu beta-decay Q-value. Compare the shape of the precisely determined experimental beta-spectrum to theoretical calculations, and compare the end-point energy to that obtained from an independent Q-value measurement.Method: The 176Lu beta-decay spectra and the search for electron capture decays were measured with an experimental set-up that employed lutetium-based scintillator crystals and an NaI(Tl) spectrometer for coincidence counting. The beta-decay Q-value was determined via high-precision Penning trap mass spectrometry (PTMS) with the LEBIT facility at the National Superconducting Cyclotron Laboratory. The beta-spectrum calculations were performed within the Fermi theory formalism with nuclear structure effects calculated using a shell model approach.Results: Both beta transitions of 176Lu were experimentally observed and corresponding shape factors formulated in their entire energy ranges. Search for electron captures decay branches led to an experimental upper limit of 6.3x10-6 compared to its beta decays. The 176Lu beta-decay and electron capture Q-values were measured using PTMS to be 1193.0(6) keV and 108.9(8) keV, respectively. This enabled precise beta end-point energies of 596.2(6) keV and 195.3(6) keV for the primary and secondary beta-decays, respectively, to be determined. The conserved vector current hypothesis was applied to calculate the relativistic vector matrix elements. The beta-spectrum shape was shown to significantly depend on the Coulomb displacement energy and on the value of the axial vector coupling constant gA, which was extracted according to different assumptions.
Published: 2023

37. Origin of the Reactor Antineutrino Anomalies in Light of a New Summation Model with Parametrized <math><mrow><msup><mrow><mi>β</mi></mrow><mrow><mo>−</mo></mrow></msup></mrow></math> Transitions

Author: Letourneau, A., Savu, V., Lhuillier, D., Lasserre, T., Materna, T., Mention, G., Mougeot, X., Onillon, A., Perisse, L., and Vivier, M.
Abstract: We investigate the possible origins of the reactor antineutrino anomalies in norm and shape within the framework of a summation model where β− transitions are simulated by a phenomenological model of Gamow-Teller decay strength. The general trends of divergence from the Huber-Mueller model on the antineutrino side can be reproduced in both norm and shape. From the exact electron-antineutrino correspondence of the summation model, we predict similar distortions in the electron spectra, suggesting that biases on the reference spectra of fission electrons could be the cause of the anomalies.
Published: 2023

38. On the origin of the reactor antineutrino anomalies in light of a new summation model with parameterized $\beta^{-}$ transitions

Author: Letourneau, A., Savu, V., Lhuillier, D., Lasserre, Th., Materna, Th., Mention, G., Mougeot, X., Onillon, A., Rogly, R., Perisse, L., Vivier, M., and HEP, INSPIRE
Subjects: electron: spectrum, [PHYS.HPHE] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], antineutrino: spectrum, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], antineutrino: nuclear reactor, anomaly, antineutrino: energy spectrum
Abstract: We investigate the possible origins of the norm and shape reactor antineutrino anomalies in the framework of a summation model (SM) where $\beta^{-}$ transitions are simulated by a phenomenological Gamow-Teller $\beta$-decay strength model. The general trends of the discrepancies to the Huber-Mueller model on the antineutrino side can be reproduced both in norm and shape. From the exact electron-antineutrino correspondence of the SM model, we predict similar distortions in the electron spectra, suggesting that biases on the reference fission-electron spectra could be at the origin of the anomalies.
Published: 2023

39. High Energy Physics Opportunities Using Reactor Antineutrinos

Author: Awe, C., Barbeau, P. S., Haghighat, A., Huber, P., Li, S. C., Link, J. M., Mascolino, V., Subedi, T., Walkup, K., Aguilar-Arevalo, A., Bertou, X., Bonifazi, C., Cancelo, G., Cervantes-Vergara, B. A., Chavez, C., D Olivo, J. C., Egea, J. M., Dos Anjos, J. C., Estrada, J., Neto, A. R. F., Fernandez-Moroni, G., Foguel, A., Ford, R., Gasanego, J., Gollo, V., Izraelevitch, F., Kilminster, B., Lima, Jr H. P., Makler, M., Mendes, L. H., Molina, J., Mota, P., Nasteva, I., Paolini, E., Romero, C., Sarkis, Y., Haro, M. S., Soto, A., Stalder, D., Tiffenberg, J., Torres, C., Lindner, M., An, F. P., Balantekin, A. B., Band, H. R., Bishai, M., Blyth, S., Cao, G. F., Cao, J., Chang, J. F., Chang, Y., Chen, H. S., Chen, S. M., Chen, Y., Chen, Y. X., Cheng, J., Cheng, Z. K., Cherwinka, J. J., Chu, M. C., Cummings, J. P., Dalager, O., Deng, F. S., Ding, Y. Y., Diwan, M. V., Dohnal, T., Dove, J., Dvořák, M., Dwyer, D. A., Gallo, J. P., Gonchar, M., Gong, G. H., Gong, H., Gu, W. Q., Guo, J. Y., Guo, L., Guo, X. H., Guo, Y. H., Guo, Z., Hackenburg, R. W., Hans, S., He, M., Heeger, K. M., Heng, Y. K., Higuera, A., Hor, Y. K., Hsiung, Y. B., Hu, B. Z., Hu, J. R., Hu, T., Hu, Z. J., Huang, H. X., Huang, X. T., Jaffe, D. E., Jen, K. L., Ji, X. L., Ji, X. P., Johnson, R. A., Jones, D., Kang, L., Kettell, S. H., Kohn, S., Kramer, M., Langford, T. J., Lee, J., Lee, J. H. C., Lei, R. T., Leitner, R., Leung, J. K. C., Li, F., Li, H. L., Li, J. J., Li, Q. J., Li, S., Li, W. D., Li, X. N., Li, X. Q., Li, Y. F., Li, Z. B., Liang, H., Lin, C. J., Lin, G. L., Lin, S., Ling, J. J., Littenberg, L., Littlejohn, B. R., Liu, J. C., Liu, J. L., Lu, C., Lu, H. Q., Lu, J. S., Luk, K. B., Ma, X. B., Ma, X. Y., Ma, Y. Q., Mandujano, R. C., Marshall, C., Martinez Caicedo, D. A., Mcdonald, K. T., Mckeown, R. D., Meng, Y., Napolitano, J., Naumov, D., Naumova, E., Ochoa-Ricoux, J. P., Olshevskiy, A., Pan, H. -R, Park, J., Patton, S., Peng, J. C., Pun, C. S. J., Qi, F. Z., Qi, M., Qian, X., Raper, N., Ren, J., Reveco, C. Morales, Rosero, R., Roskovec, B., Ruan, X. C., Steiner, H., Sun, J. L., Tmej, T., Treskov, K., Tse, W. -H, Tull, C. E., Viren, B., Vorobel, V., Wang, C. H., Wang, J., Wang, M., Wang, N. Y., Wang, R. G., Wang, W., Wang, X., Wang, Y., Wang, Y. F., Wang, Z., Wang, Z. M., Wei, H. Y., Wei, L. H., Wen, L. J., Whisnant, K., White, C. G., Wong, H. L. H., Worcester, E., Wu, D. R., Wu, F. L., Wu, Q., Wenjie Wu, Xia, D. M., Xie, Z. Q., Xing, Z. Z., Xu, J. L., Xu, T., Xue, T., Yang, C. G., Yang, L., Yang, Y. Z., Yao, H. F., Ye, M., Yeh, M., Young, B. L., Yu, H. Z., Yu, Z. Y., Yue, B. B., Zeng, S., Zeng, Y., Zhan, L., Zhang, C., Zhang, F. Y., Zhang, H. H., Zhang, J. W., Zhang, Q. M., Zhang, X. T., Zhang, Y. M., Zhang, Y. X., Zhang, Y. Y., Zhang, Z. J., Zhang, Z. P., Zhang, Z. Y., Zhao, J., Zhou, L., Zhuang, H. L., Zou, J. H., Abusleme, A., Adam, T., Ahmad, S., Ahmed, R., Aiello, S., An, G. P., An, Q., Andronico, G., Anfimov, N., Antonelli, V., Antoshkina, T., Asavapibhop, B., André, J. P. A. M., Auguste, D., Babic, A., Baldini, W., Barresi, A., Baussan, E., Bellato, M., Bergnoli, A., Bernieri, E., Birkenfeld, T., Blin, S., Blum, D., Bolshakova, A., Bongrand, M., Bordereau, C., Breton, D., Brigatti, A., Brugnera, R., Bruno, R., Budano, A., Buesken, M., Buscemi, M., Busto, Jose, Butorov, I., Cabrera, A., Cai, H., Cai, X., Cai, Y. K., Cai, Z. Y., Cammi, A., Campeny, A., Cao, C. Y., Caruso, R., Cerna, C., Chakaberia, I., Chen, P. P., Chen, P. A., Chen, S., Chen, X., Chen, Y. W., Chen, Z., Cheng, Y., Chiesa, D., Chimenti, P., Chukanov, A., Chuvashova, A., Claverie, G., Clementi, C., Clerbaux, B., Di Lorenzo, S., Corti, D., Costa, S., Corso, F. D., La Taille, C., Deng, J., Deng, Z., Deng, Z. Y., Depnering, W., Diaz, M., Ding, X. F., Dirgantara, B., Dmitrievsky, S., Donchenko, G., Dong, J. M., Dornic, D., Doroshkevich, E., Dracos, M., Druillole, F., Du, S. X., Dusini, S., Dvorak, M., Enqvist, T., Enzmann, H., Fabbri, A., Fajt, L., Fan, D. H., Fan, L., Fang, C., Fang, J., Fang, W. X., Fargetta, M., Fatkina, A., Fedoseev, D., Fekete, V., Feng, L. C., Feng, Q. C., Formozov, A., Fournier, A., Gan, H. N., Gao, F., Garfagnini, A., Göttel, A., Genster, C., Giammarchi, M., Giaz, A., Giudice, N., Gong, G., Gorchakov, O., Gornushkin, Y., Grassi, M., Grewing, C., Gromov, V., Gu, M., Gu, X., Gu, Y., Guan, M. Y., Guardone, N., Gul, M., Guo, C., Guo, W. L., Hackspacher, P., Hagner, C., Han, R., Han, Y., Hassan, M., He, W., Heinz, T., Hellmuth, P., Herrera, R., Hong, D. J., Hou, S. J., Hsiung, Y., Hu, H., Hu, J., Hu, S. Y., Huang, C. H., Huang, G. H., Huang, Q. H., Huang, W. H., Huang, X., Huang, Y. B., Hui, J. Q., Huo, L., Huo, W., Huss, C., Hussain, S., Insolia, A., Ioannisian, A., Isocrate, R., Ji, X. Z., Jia, H. H., Jia, J. J., Jian, S. Y., Jiang, D., Jiang, X. S., Jin, R. Y., Jing, X. P., Jollet, C., Joutsenvaara, J., Jungthawan, S., Kalousis, L., Kampmann, P., Karagounis, M., Kazarian, N., Khan, A., Khan, W., Khosonthongkee, K., Kinz, P., Korablev, D., Kouzakov, K., Krasnoperov, A., Krumshteyn, Z., Kruth, A., Kutovskiy, N., Kuusiniemi, P., Lachenmaier, T., Landini, C., Leblanc, S., Lebrin, V., Lefevre, F., Lei, R., Leung, J., Li, C., Li, D., Li, H., Li, J., Li, K. J., Li, M. Z., Li, M., Li, N., Li, R. H., Li, S. F., Li, S. J., Li, T., Li, W. G., Li, X. M., Li, X. L., Li, Y., Li, Z., Li, Z. Y., Liang, J. J., Liebau, D., Limphirat, A., Limpijumnong, S., Lin, S. X., Lin, T., Lippi, I., Liu, F., Liu, H. D., Liu, H. B., Liu, H. J., Liu, H. T., Liu, H., Liu, M., Liu, Q., Liu, R. X., Liu, S. Y., Liu, S. B., Liu, S. L., Liu, X. W., Liu, X., Liu, Y., Lokhov, A., Lombardi, P., Lombardo, C., Loo, K., Lu, J. B., Lu, J. G., Lu, S. X., Lu, X. X., Lubsandorzhiev, B., Lubsandorzhiev, S., Ludhova, L., Luo, F. J., Luo, G., Luo, P. W., Luo, S., Luo, W. M., Lyashuk, V., Ma, Q. M., Ma, S., Maalmi, J., Malyshkin, Y., Mantovani, F., Manzali, F., Mao, X., Mao, Y. J., Mari, S. M., Marini, F., Marium, S., Martellini, C., Martin-Chassard, G., Martini, A., Mayilyan, D., Müller, A., Mednieks, I., Meregaglia, A., Meroni, E., Meyhöfer, D., Mezzetto, M., Miller, J., Miramonti, L., Monforte, S., Montini, P., Montuschi, M., Morozov, N., Muhammad, A., Muralidharan, P., Nastasi, M., Naumov, D. V., Nemchenok, I., Ning, F. P., Ning, Z., Nunokawa, H., Oberauer, L., Orestano, D., Ortica, F., Pan, H. R., Paoloni, A., Parkalian, N., Parmeggiano, S., Payupol, T., Pei, Y., Pelliccia, N., Peng, A., Peng, H., Perrot, F., Petitjean, P. A., Petrucci, F., Piñeres Rico, L. F., Pilarczyk, O., Popov, A., Poussot, P., Pratumwan, W., Previtali, E., Qi, F., Qian, S., Qian, X. H., Qiao, H., Qin, Z. H., Qiu, S. K., Rajput, M., Ranucci, G., Re, A., Rebber, H., Rebii, A., Ren, B., Rezinko, T., Ricci, B., Robens, M., Roche, M., Rodphai, N., Romani, A., Roth, C., Ruan, X., Rujirawat, S., Rybnikov, A., Sadovsky, A., Saggese, P., Salamanna, G., Sanfilippo, S., Sangka, A., Sanguansak, N., Sawangwit, U., Sawatzki, J., Sawy, F., Schever, M., Schuler, J., Schwab, C., Schweizer, K., Selivanov, D., Selyunin, A., Serafini, A., Settanta, G., Settimo, M., Shao, Z., Sharov, V., Shi, J., Shutov, V., Sidorenkov, A., Simkovic, F., Sirignano, C., Siripak, J., Sisti, M., Slupecki, M., Smirnov, M., Smirnov, O., Sogo-Bezerra, T., Songwadhana, J., Soonthornthum, B., Sotnikov, A., Sramek, O., Sreethawong, W., Stahl, A., Stanco, L., Stankevich, K., Stefanik, D., Steiger, H., Steinmann, J., Sterr, T., Stock, M. R., Strati, V., Studenikin, A., Sun, G. X., Sun, S. F., Sun, X. L., Sun, Y. J., Sun, Y. Z., Suwonjandee, N., Szelezniak, M., Tang, J., Tang, Q., Tang, X., Tietzsch, A., Tkachev, I., Triossi, A., Troni, G., Trzaska, W., Tuve, C., Ushakov, N., Waasen, S., Boom, J. Vanden, Vanroyen, G., Vassilopoulos, N., Vedin, V., Verde, G., Vialkov, M., Viaud, B., Volpe, C., Voronin, D., Votano, L., Walker, P., Wang, C., Wang, E., Wang, G., Wang, K. Y., Wang, L., Wang, M. F., Wang, S. G., Wang, W. S., Wang, X. Y., Wang, Y. G., Wang, Y. Q., Wang, Z. Y., Waqas, M., Watcharangkool, A., Wei, W., Wei, Y. D., Wiebusch, C., Wong, S. C. F., Wonsak, B., Wu, D., Wu, W. J., Wu, Z., Wurm, M., Wurtz, J., Wysotzki, C., Xi, Y. F., Xie, Y. G., Xu, B., Xu, C., Xu, D. L., Xu, F. R., Xu, H. K., Xu, J., Xu, M. H., Xu, Y., Yan, B. J., Yan, T., Yan, W. Q., Yan, X. B., Yan, Y. P., Yang, A. B., Yang, H., Yang, J., Yang, X. Y., Yang, Y., Yang, Y. F., Yasin, Z., Ye, J. X., Ye, Z. P., Yegin, U., Yermia, F., Yi, P. H., Yin, X. W., You, Z. Y., Yu, B. X., Yu, C. Y., Yu, C. X., Yu, M., Yu, X. H., Yuan, C. Z., Yuan, Y., Yuan, Z. X., Yuan, Z. Y., Zafar, N., Zambanini, A., Zeng, T. X., Zeng, Y. D., Zhang, G. Q., Zhang, H. Q., Zhang, J., Zhang, J. B., Zhang, P., Zhang, S., Zhang, T., Zhang, X. M., Zhang, Y., Zhang, Y. H., Zhang, Y. P., Zhao, F. Y., Zhao, R., Zhao, S. J., Zhao, T. C., Zheng, D. Q., Zheng, H., Zheng, M. S., Zheng, Y. H., Zhong, W. R., Zhou, J., Zhou, N., Zhou, S., Zhou, X., Zhu, J., Zhu, K. J., Zhuang, B., Zong, L., Rasco, B. C., Han, B. Y., Jeon, E. J., Jeong, Y., Jo, H. S., Kim, D. K., Kim, J. Y., Kim, J. G., Kim, Y. D., Ko, Y. J., Lee, H. M., Lee, M. H., Moon, C. S., Oh, Y. M., Park, H. K., Park, K. S., Seo, S. H., Siyeon, K., Sun, G. M., Yoon, Y. S., Yu, I., Borusinski, M. J., Dorrill, R., Druetzler, A., Learned, J., Li, V., Markoff, D., Maricic, J., Matsuno, S., Mumm, H. P., Nishimura, K., Irani, A., Pitt, M., Rasco, C., Thibodeau, B., Varner, G., Vogelaar, B., Wright, T., Andriamirado, M., Bass, C. D., Bergeron, D. E., Berish, D., Bowden, N. S., Brodsky, J. P., Bryan, C. D., Carr, R., Classen, T., Conant, A. J., Deichert, G., Dolinski, M. J., Erickson, A., Foust, B. T., Gaison, J. K., Galindo-Uribarri, A., Gilbert, C. E., Grant, C., Hackett, B. T., Hansell, A. B., Ji, X., Jones, D. C., Kyzylova, O., Lane, C. E., Larosa, J., Lu, X., Mendenhall, M. P., Meyer, A. M., Milincic, R., Mitchell, I., Mueller, P. E., Nave, C., Neilson, R., Nikkel, J. A., Norcini, D., Nour, S., Palomino, J. L., Pushin, D. A., Romero-Romero, E., Surukuchi, P. T., Tyra, M. A., Varner, R. L., Venegas-Vargas, D., Weatherly, P. B., White, C., Wilhelmi, J., Woolverton, A., Zhang, A., Zhang, X., Choi, J. H., Jang, H. I., Jang, J. S., Jeon, S. H., Joo, K. K., Ju, K., Jung, D. E., Kim, J. H., Kim, S. B., Kim, S. Y., Kim, W., Kwon, E., Lee, D. H., Lee, H. G., Lim, I. T., Moon, D. H., Pac, M. Y., Seo, H., Seo, J. W., Shin, C. D., Yang, B. S., Yoo, J., Yoon, S. G., Yeo, I. S., Chang, C., Bergé, L., Broniatowski, A., Dumoulin, L., Giuliani, A., Chapellier, M., Marcillac, P., Marnieros, S., Olivieri, E., Poda, D., Calvo, M., Goupy, J., Monfardini, A., Arnaud, Q., Augier, C., Billard, J., Cazes, A., Colas, J., Filippini, J., Gascon, J., Jesus, M., Lattaud, H., Juillard, A., Salagnac, T., Soldner, T., Lubashevskiy, A., Yakushev, E., Rozov, S., Lamblin, J., Mom, B., Stutz, A., Formaggio, J. A., Mayer, D. W., Johnston, J., Harrington, P., Heine, S., Sibille, V., Chen, R., Figueroa-Feliciano, E., Ziqing, H., Hertel, S., Patel, P., Pinckney, D., Serafin, A., Shilcusky, A., Decheine, N., Palladino, K., Weber, S., Hirjibehedin, C., Akindele, O. A., Carman, L., Dazeley, S., Ford, M., Jovanovic, I., Sutanto, F., Zaitseva, N., Beaumont, W., Binet, S., Bolognino, I., Borg, J., Buridon, V., Chanal, H., Coupé, B., Crochet, P., Cussans, D., Roeck, A., Durand, D., Fallot, M., Galbinski, D., Gallego, S., Giot, L., Guillon, B., Henaff, D., Hayashida, S., Hosseini, B., Kalcheva, S., Lehaut, G., Michiels, I., Monteil, S., Newbold, D., Roy, N., Ryckbosch, D., Sfar, H. Rejeb, Simard, L., Vacheret, A., Vandierendonck, G., Dyck, S., Remortel, N., Vercaemer, S., Verstraeten, M., Weber, A., Yeresko, M., Bonhomme, A., Buck, C., Del Amo Sanchez, P., El Atmani, I., Labit, L., Letourneau, A., Lhuillier, D., Licciardi, M., Materna, T., Pessard, H., Rogly, R., Savu, V., Schoppmann, S., Vialat, M., Algora, A., Beloeuvre, A., Estienne, M., Kean, R., Porta, A., Tain, J. L., Sidelnik, I., Anderson, T., Askins, M., Bagdasarian, Z., Baldoni, A., Barna, A., Benson, T., Bergevin, M., Bernstein, A., Birrittella, B., Bogetic, S., Boissevain, J., Borusinki, J., Boyd, S., Brooks, T., Budsworth, Mat, Burns, J., Calle, M., Camilo, C., Carroll, A., Coleman, J., Collins, R., Connor, C., Cowen, D., Crow, B., Curry, J., Dalnoki-Veress, F., Danielson, D., Diwan, M., Dixon, S., Drakopoulou, L., Duron, J., Dye, S., Fargher, S., Fienberg, A., Fischer, V., Foster, R., Frankiewicz, Kat, Gamble, T., Gooding, D., Gokhale, S., Gregorio, R., Gribble, J., Griskevich, J., Hadley, D., He, J., Healey, K., Hecla, J., Holt, G., Jabbari, C., Jewkes, K., Kaiser, R., Keenan, M., Keener, P., Kneale, Liz, Kudryavtsev, V., Kunkle, P., Litchfield, P., Liu, X. Ran, Lynch, G., Malek, M., Marr-Laundrie, P., Masic, B., Mauger, C., Mccauley, N., Metelko, C., Mills, R., Mitra, A., Muheim, F., Mullen, A., Murphy, A., Needham, M., Neights, E., Ogren, K., Orebi Gann, G., Oxborough, L., Paling, S., Papatyi, A., Paulos, B., Pershing, T., Pickard, L., Quillin, S., Resoro, R., Richards, B., Sabarots, L., Scarff, A., Schnellbach, Yan-Jie, Scovell, P., Seitz, B., Shea, O., Shebalin, V., Smith, G., Smy, M., Song, H., Spooner, N., Stanton, C., Stone, O., Svoboda, R., Szoldos, S., Thompson, L., Thomson, F., Toth, C., Vagins, M., Berg, Rick, Ventura, S., Walsh, B., Webster, J., Weiss, M., Westphal, D., Wetstein, M., Wilson, T., Wilson, S., Wolcott, S., Wright, M., Berryman, J. M., Collar, J. I., Erlandson, A., Gariazzo, S., Garzelli, M. V., Giunti, C., Goldblum, B. L., Hayes, A., Hedges, S., Mariani, C., Minic, D., Mougeot, X., Naim, D., Newby, J., Ni, K., O Donnell, T., Ozturk, S., Périssé, L., Pestes, R., Sonzogni, A. A., Tabrizi, Z., Vivier, M., Institut de Physique Nucléaire d'Orsay (IPNO), 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 Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Université Sciences et Technologies - Bordeaux 1 (UB)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Neutrino de Champagne Ardenne (LNCA - UMS 3263), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de physique subatomique et des technologies associées (SUBATECH), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-IMT Atlantique (IMT Atlantique), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT)-Nantes université - UFR des Sciences et des Techniques (Nantes univ - UFR ST), Nantes Université - pôle Sciences et technologie, Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ)-Nantes Université - pôle Sciences et technologie, Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ), Centre de Sciences Nucléaires et de Sciences de la Matière (CSNSM), Cryogénie (NEEL - Cryo), Institut Néel (NEEL), Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Hélium : du fondamental aux applications (NEEL - HELFA), Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), 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), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Laboratoire de Physique de Clermont (LPC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Clermont Auvergne (UCA), Laboratoire de physique corpusculaire de Caen (LPCC), Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-École Nationale Supérieure d'Ingénieurs de Caen (ENSICAEN), Normandie Université (NU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut Laue-Langevin (ILL), Laboratoire d'Intégration des Systèmes et des Technologies (LIST (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), Département de Physique Nucléaire (ex SPhN) (DPHN), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, CHANDLER, CONNIE, CONUS, Daya Bay, JUNO, MTAS, NEOS, NuLat, PROSPECT, RENO, Ricochet, ROADSTR Near-Field Working Group, SoLid, Stereo, Valencia-Nantes TAGS, vIOLETA, WATCHMAN, and HEP, INSPIRE
Subjects: High Energy Physics - Experiment (hep-ex), [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], hep-ex, neutrino: energy spectrum, antineutrino: nuclear reactor, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], FOS: Physical sciences, neutrino: oscillation, neutrino: nuclear reactor, Particle Physics - Experiment, neutrino: flux, High Energy Physics - Experiment
Abstract: Nuclear reactors are uniquely powerful, abundant, and flavor-pure sources of antineutrinos that continue to play a vital role in the US neutrino physics program. The US reactor antineutrino physics community is a diverse interest group encompassing many detection technologies and many particle physics topics, including Standard Model and short-baseline oscillations, BSM physics searches, and reactor flux and spectrum modeling. The community's aims offer strong complimentary with numerous aspects of the wider US neutrino program and have direct relevance to most of the topical sub-groups composing the Snowmass 2021 Neutrino Frontier. Reactor neutrino experiments also have a direct societal impact and have become a strong workforce and technology development pipeline for DOE National Laboratories and universities. This white paper, prepared as a submission to the Snowmass 2021 community organizing exercise, will survey the state of the reactor antineutrino physics field and summarize the ways in which current and future reactor antineutrino experiments can play a critical role in advancing the field of particle physics in the next decade., Contribution to Snowmass 2021
Published: 2022

40. High-precision measurement of the He6 half-life

Author: Kanafani, M., primary, Fléchard, X., additional, Naviliat-Cuncic, O., additional, Chung, G. D., additional, Leblond, S., additional, Liénard, E., additional, Mougeot, X., additional, Quéméner, G., additional, Simancas Di Filippo, A., additional, and Thomas, J.-C., additional
Published: 2022
Full Text: View/download PDF

41. Corrections for Exchange and Screening Effects in Low-energy Beta Decays

Author: Mougeot, X., Bé, M.-M., Bisch, C., and Loidl, M.
Published: 2014
Full Text: View/download PDF

42. Development of a System for Measuring the Shape of β Spectra Using a Semiconductor Si Detector

Author: Bisch, C., Mougeot, X., Bé, M.-M., and Nourreddine, A.-M.
Published: 2014
Full Text: View/download PDF

43. Standardization of xenon-127 and measurement of photon emission intensities

Author: Rodrigues, M., Lépy, M.-C., Cassette, P., Mougeot, X., and Bé, M.M.
Published: 2014
Full Text: View/download PDF

44. Beta spectrometry with metallic magnetic calorimeters

Author: Loidl, M., Rodrigues, M., Le-Bret, C., and Mougeot, X.
Published: 2014
Full Text: View/download PDF

45. Calibration of the liquid argon ionization response to low energy electronic and nuclear recoils with DarkSide-50

Author: Agnes, P, Albuquerque, I, Alexander, T, Alton, A, Ave, M, Back, H, Batignani, G, Biery, K, Bocci, V, Bonivento, W, Bottino, B, Bussino, S, Cadeddu, M, Cadoni, M, Calaprice, F, Caminata, A, Canci, N, Caravati, M, Cariello, M, Carlini, M, Carpinelli, M, Catalanotti, S, Cataudella, V, Cavalcante, P, Cavuoti, S, Chepurnov, A, Cicalo, C, Cocco, A, Covone, G, D'Angelo, D, Davini, S, De Candia, A, De Cecco, S, De Filippis, G, De Rosa, G, Derbin, A, Devoto, A, D'Incecco, M, Dionisi, C, Dordei, F, Downing, M, D'Urso, D, Fiorillo, G, Franco, D, Gabriele, F, Galbiati, C, Ghiano, C, Giganti, C, Giovanetti, G, Gorchakov, O, Goretti, A, Grobov, A, Gromov, M, Guan, M, Guardincerri, Y, Gulino, M, Hackett, B, Herner, K, Hosseini, B, Hubaut, F, Hungerford, E, Ianni, A, Ippolito, V, Keeter, K, Kendziora, C, Kochanek, I, Korablev, D, Korga, G, Kubankin, A, Kuss, M, La Commara, M, Lai, M, Li, X, Lissia, M, Longo, G, Machulin, I, Mapelli, L, Mari, S, Maricic, J, Martoff, C, Messina, A, Meyers, P, Milincic, R, Morrocchi, M, Mougeot, X, Muratova, V, Musico, P, Navrer Agasson, A, Nozdrina, A, Oleinik, A, Ortica, F, Pagani, L, Pallavicini, M, Pandola, L, Pantic, E, Paoloni, E, Pelczar, K, Pelliccia, N, Picciau, E, Pocar, A, Pordes, S, Poudel, S, Pralavorio, P, Ragusa, F, Razeti, M, Razeto, A, Renshaw, A, Rescigno, M, Rode, J, Romani, A, Sablone, D, Samoylov, O, Sands, W, Sanfilippo, S, Savarese, C, Schlitzer, B, Semenov, D, Shchagin, A, Sheshukov, A, Skorokhvatov, M, Smirnov, O, Sotnikov, A, Stracka, S, Suvorov, Y, Tartaglia, R, Testera, G, Tonazzo, A, Unzhakov, E, Vishneva, A, Vogelaar, R, Wada, M, Wang, H, Wang, Y, Westerdale, S, Wojcik, M, Xiao, X, Yang, C, Zuzel, G, Agnes P., Albuquerque I. F. M., Alexander T., Alton A. K., Ave M., Back H. O., Batignani G., Biery K., Bocci V., Bonivento W. M., Bottino B., Bussino S., Cadeddu M., Cadoni M., Calaprice F., Caminata A., Canci N., Caravati M., Cariello M., Carlini M., Carpinelli M., Catalanotti S., Cataudella V., Cavalcante P., Cavuoti S., Chepurnov A., Cicalo C., Cocco A. G., Covone G., D'Angelo D., Davini S., De Candia A., De Cecco S., De Filippis G., De Rosa G., Derbin A. V., Devoto A., D'Incecco M., Dionisi C., Dordei F., Downing M., D'Urso D., Fiorillo G., Franco D., Gabriele F., Galbiati C., Ghiano C., Giganti C., Giovanetti G. K., Gorchakov O., Goretti A. M., Grobov A., Gromov M., Guan M., Guardincerri Y., Gulino M., Hackett B. R., Herner K., Hosseini B., Hubaut F., Hungerford E. V., Ianni A., Ippolito V., Keeter K., Kendziora C. L., Kochanek I., Korablev D., Korga G., Kubankin A., Kuss M., La Commara M., Lai M., Li X., Lissia M., Longo G., Machulin I. N., Mapelli L. P., Mari S. M., Maricic J., Martoff C. J., Messina A., Meyers P. D., Milincic R., Morrocchi M., Mougeot X., Muratova V. N., Musico P., Navrer Agasson A., Nozdrina A. O., Oleinik A., Ortica F., Pagani L., Pallavicini M., Pandola L., Pantic E., Paoloni E., Pelczar K., Pelliccia N., Picciau E., Pocar A., Pordes S., Poudel S. S., Pralavorio P., Ragusa F., Razeti M., Razeto A., Renshaw A. L., Rescigno M., Rode J., Romani A., Sablone D., Samoylov O., Sands W., Sanfilippo S., Savarese C., Schlitzer B., Semenov D. A., Shchagin A., Sheshukov A., Skorokhvatov M. D., Smirnov O., Sotnikov A., Stracka S., Suvorov Y., Tartaglia R., Testera G., Tonazzo A., Unzhakov E. V., Vishneva A., Vogelaar R. B., Wada M., Wang H., Wang Y., Westerdale S., Wojcik M. M., Xiao X., Yang C., Zuzel G., Agnes, P, Albuquerque, I, Alexander, T, Alton, A, Ave, M, Back, H, Batignani, G, Biery, K, Bocci, V, Bonivento, W, Bottino, B, Bussino, S, Cadeddu, M, Cadoni, M, Calaprice, F, Caminata, A, Canci, N, Caravati, M, Cariello, M, Carlini, M, Carpinelli, M, Catalanotti, S, Cataudella, V, Cavalcante, P, Cavuoti, S, Chepurnov, A, Cicalo, C, Cocco, A, Covone, G, D'Angelo, D, Davini, S, De Candia, A, De Cecco, S, De Filippis, G, De Rosa, G, Derbin, A, Devoto, A, D'Incecco, M, Dionisi, C, Dordei, F, Downing, M, D'Urso, D, Fiorillo, G, Franco, D, Gabriele, F, Galbiati, C, Ghiano, C, Giganti, C, Giovanetti, G, Gorchakov, O, Goretti, A, Grobov, A, Gromov, M, Guan, M, Guardincerri, Y, Gulino, M, Hackett, B, Herner, K, Hosseini, B, Hubaut, F, Hungerford, E, Ianni, A, Ippolito, V, Keeter, K, Kendziora, C, Kochanek, I, Korablev, D, Korga, G, Kubankin, A, Kuss, M, La Commara, M, Lai, M, Li, X, Lissia, M, Longo, G, Machulin, I, Mapelli, L, Mari, S, Maricic, J, Martoff, C, Messina, A, Meyers, P, Milincic, R, Morrocchi, M, Mougeot, X, Muratova, V, Musico, P, Navrer Agasson, A, Nozdrina, A, Oleinik, A, Ortica, F, Pagani, L, Pallavicini, M, Pandola, L, Pantic, E, Paoloni, E, Pelczar, K, Pelliccia, N, Picciau, E, Pocar, A, Pordes, S, Poudel, S, Pralavorio, P, Ragusa, F, Razeti, M, Razeto, A, Renshaw, A, Rescigno, M, Rode, J, Romani, A, Sablone, D, Samoylov, O, Sands, W, Sanfilippo, S, Savarese, C, Schlitzer, B, Semenov, D, Shchagin, A, Sheshukov, A, Skorokhvatov, M, Smirnov, O, Sotnikov, A, Stracka, S, Suvorov, Y, Tartaglia, R, Testera, G, Tonazzo, A, Unzhakov, E, Vishneva, A, Vogelaar, R, Wada, M, Wang, H, Wang, Y, Westerdale, S, Wojcik, M, Xiao, X, Yang, C, Zuzel, G, Agnes P., Albuquerque I. F. M., Alexander T., Alton A. K., Ave M., Back H. O., Batignani G., Biery K., Bocci V., Bonivento W. M., Bottino B., Bussino S., Cadeddu M., Cadoni M., Calaprice F., Caminata A., Canci N., Caravati M., Cariello M., Carlini M., Carpinelli M., Catalanotti S., Cataudella V., Cavalcante P., Cavuoti S., Chepurnov A., Cicalo C., Cocco A. G., Covone G., D'Angelo D., Davini S., De Candia A., De Cecco S., De Filippis G., De Rosa G., Derbin A. V., Devoto A., D'Incecco M., Dionisi C., Dordei F., Downing M., D'Urso D., Fiorillo G., Franco D., Gabriele F., Galbiati C., Ghiano C., Giganti C., Giovanetti G. K., Gorchakov O., Goretti A. M., Grobov A., Gromov M., Guan M., Guardincerri Y., Gulino M., Hackett B. R., Herner K., Hosseini B., Hubaut F., Hungerford E. V., Ianni A., Ippolito V., Keeter K., Kendziora C. L., Kochanek I., Korablev D., Korga G., Kubankin A., Kuss M., La Commara M., Lai M., Li X., Lissia M., Longo G., Machulin I. N., Mapelli L. P., Mari S. M., Maricic J., Martoff C. J., Messina A., Meyers P. D., Milincic R., Morrocchi M., Mougeot X., Muratova V. N., Musico P., Navrer Agasson A., Nozdrina A. O., Oleinik A., Ortica F., Pagani L., Pallavicini M., Pandola L., Pantic E., Paoloni E., Pelczar K., Pelliccia N., Picciau E., Pocar A., Pordes S., Poudel S. S., Pralavorio P., Ragusa F., Razeti M., Razeto A., Renshaw A. L., Rescigno M., Rode J., Romani A., Sablone D., Samoylov O., Sands W., Sanfilippo S., Savarese C., Schlitzer B., Semenov D. A., Shchagin A., Sheshukov A., Skorokhvatov M. D., Smirnov O., Sotnikov A., Stracka S., Suvorov Y., Tartaglia R., Testera G., Tonazzo A., Unzhakov E. V., Vishneva A., Vogelaar R. B., Wada M., Wang H., Wang Y., Westerdale S., Wojcik M. M., Xiao X., Yang C., and Zuzel G.
Abstract: DarkSide-50 has demonstrated the high potential of dual-phase liquid argon time projection chambers in exploring interactions of WIMPs in the GeV/c2 mass range. The technique, based on the detection of the ionization signal amplified via electroluminescence in the gas phase, allows us to explore recoil energies down to the sub-keV range. We report here on the DarkSide-50 measurement of the ionization yield of electronic recoils down to ∼180 eVer, exploiting Ar37 and Ar39 decays, and extrapolated to a few ionization electrons with the Thomas-Imel box model. Moreover, we present a model-dependent determination of the ionization response to nuclear recoils down to ∼500 eVnr, the lowest ever achieved in liquid argon, using in situ neutron calibration sources and external datasets from neutron beam experiments.
Published: 2021

46. Anomalies in reactor antineutrino spectra in light of a new summation model with parameterized missing transitions

Author: Letourneau, A., Savu, V., Lhuillier, D., Lasserre, Th., Materna, Th., Mention, G., Mougeot, X., Onillon, A., Rogly, R., Perisse, L., Vivier, M., Letourneau, A., Savu, V., Lhuillier, D., Lasserre, Th., Materna, Th., Mention, G., Mougeot, X., Onillon, A., Rogly, R., Perisse, L., and Vivier, M.
Abstract: We investigate the possible origins of the reactor antineutrino anomalies in the framework of a summation model (SM) where missing $\beta$ transitions are simulated by a phenomenological Gamow-Teller $\beta$-decay strength model. We show that the general trends of the discrepancies between the measured antineutrinos energy spectra and the Huber-Mueller model can be reproduced both in norm and shape. Using the exact electron-antineutrino correspondence of the SM model, we predict similar distortions in the fission-electron spectra, suggesting a norm bias for the $^{235}$U ILL electron spectrum as being at the origin of the "Reactor Antineutrino Anomaly" and a shape bias in the measured electron spectra of $^{235}$U and Pu isotopes as being at the origin of the "5 MeV bump".
Published: 2022

47. Evidence for the Exchange Effect Down to Very Low Energy in the Beta Decays of 241 Pu

Author: Loidl, M., Le-Bret, C., Rodrigues, M., and Mougeot, X.
Published: 2014
Full Text: View/download PDF

48. First measurement of the beta spectrum of 241Pu with a cryogenic detector

Author: Loidl, M., Rodrigues, M., Censier, B., Kowalski, S., Mougeot, X., Cassette, P., Branger, T., and Lacour, D.
Published: 2010
Full Text: View/download PDF

49. Influence of the atomic modeling on the electron capture process

Author: Mougeot, X., Mouawad, L., Andoche, A., and Hervieux, P. -A.
Subjects: Atomic Physics (physics.atom-ph), FOS: Physical sciences, Physics - Atomic Physics
Abstract: Ongoing experimental efforts to measure with unprecedented precision electron capture probabilities will challenge the current theoretical models. The short range of the weak interaction necessitates an accurate description of the atomic structure down to the nucleus region. In this study, an atomic modeling has been developed in the framework of the relativistic density functional theory within which several exchange-correlation functionals and self-interaction-corrected models have been explored. A recent electron capture model has been modified in order to only test the influence of the atomic modeling on the calculated decay probabilities. In particular, two important possibilities have been tested, the "no vacancy" and the "frozen orbital" approximations. Results have been compared to experimental values evaluated from available published data. New high-precision measurements are strongly encouraged as the accuracy of the current experimental values does not allow to draw a firm conclusion on the theoretical modeling to be employed., Comment: 18 pages, 4 figures and 3 tables
Published: 2021
Full Text: View/download PDF

50. Study of the Influence of the Source Quality on the Determination of the Shape Factor of Beta Spectra

Author: Le-Bret, C., Loidl, M., Rodrigues, M., Mougeot, X., and Bouchard, J.
Published: 2012
Full Text: View/download PDF

Catalog

Books, media, physical & digital resources

See catalog results

Searchworks

Select search scope, currently: Articles Catalog books, media & more in Jio Institute collections Articles journal articles & other e-resources

Search

Search Constraints

Refine your results

Search Limiters

Topic

Publication Year Range

Language

Publication Type

Journal

Database

Publisher

238 results on '"Mougeot X"'

Search Results

Catalog

Select search scope, currently: Articles

Catalog

books, media & more in Jio Institute collections

Articles

journal articles & other e-resources