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1. Benchmarking the design of the cryogenics system for the underground argon in DarkSide-20k

Author

Collaboration, DarkSide-20k, Acerbi, F., Adhikari, P., Agnes, P., Ahmad, I., Albergo, S., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Amaudruz, P., Angiolilli, M., Aprile, E., Ardito, R., Corona, M. Atzori, Auty, D. J., Ave, M., Avetisov, I. C., Azzolini, O., Back, H. O., Balmforth, Z., Olmedo, A. Barrado, Barrillon, P., Batignani, G., Bhowmick, P., Blua, S., Bocci, V., Bonivento, W., Bottino, B., Boulay, M. G., Buchowicz, A., Bussino, S., Busto, J., Cadeddu, M., Cadoni, M., Calabrese, R., Camillo, V., Caminata, A., Canci, N., Capra, A., Caravati, M., Cárdenas-Montes, M., Cargioli, N., Carlini, M., Castellani, A., Castello, P., Cavalcante, P., Cebrian, S., Ruiz, J. Cela, Chashin, S., Chepurnov, A., Cifarelli, L., Cintas, D., Citterio, M., Cleveland, B., Coadou, Y., Cocco, V., Colaiuda, D., Vilda, E. Conde, Consiglio, L., Costa, B. S., Czubak, M., D'Aniello, M., D'Auria, S., Rolo, M. D. Da Rocha, Darbo, G., Davini, S., De Cecco, S., De Guido, G., Dellacasa, G., Derbin, A. V., Devoto, A., Di Capua, F., Di Ludovico, A., Di Noto, L., Di Stefano, P., Dias, L. K., Mairena, D. Díaz, Ding, X., Dionisi, C., Dolganov, G., Dordei, F., Dronik, V., Elersich, A., Ellingwood, E., Erjavec, T., Diaz, M. Fernandez, Ficorella, A., Fiorillo, G., Franchini, P., Franco, D., Gatti, H. Frandini, Frolov, E., Gabriele, F., Gahan, D., Galbiati, C., Galiński, G., Gallina, G., Gallus, G., Garbini, M., Abia, P. Garcia, Gawdzik, A., Gendotti, A., Ghisi, A., Giovanetti, G. K., Casanueva, V. Goicoechea, Gola, A., Grandi, L., Grauso, G., di Cortona, G. Grilli, Grobov, A., Gromov, M., Guerzoni, M., Gulino, M., Guo, C., Hackett, B. R., Hallin, A., Hamer, A., Haranczyk, M., Harrop, B., Hessel, T., Hill, S., Horikawa, S., Hu, J., Hubaut, F., Hucker, J., Hugues, T., Hungerford, E. V., Ianni, A., Ippolito, V., Jamil, A., Jillings, C., Jois, S., Kachru, P., Keloth, R., Kemmerich, N., Kemp, A., Kendziora, C. L., Kimura, M., Kish, A., Kondo, K., Korga, G., Kotsiopoulou, L., Koulosousas, S., Kubankin, A., Kunzé, P., Kuss, M., Kuźniak, M., Kuzwa, M., La Commara, M., Lai, M., Guirriec, E. Le, Leason, E., Leoni, A., Lidey, L., Lissia, M., Luzzi, L., Lychagina, O., Macfadyen, O., Machulin, I. N., Manecki, S., Manthos, I., Mapelli, L., Marasciulli, A., Mari, S. M., Mariani, C., Maricic, J., Martinez, M., Martoff, C. J., Matteucci, G., Mavrokoridis, K., McDonald, A. B., Mclaughlin, J., Merzi, S., Messina, A., Milincic, R., Minutoli, S., Mitra, A., Moharana, A., Moioli, S., Monroe, J., Moretti, E., Morrocchi, M., Mroz, T., Muratova, V. N., Murphy, M., Murra, M., Muscas, C., Musico, P., Nania, R., Nessi, M., Nieradka, G., Nikolopoulos, K., Nikoloudaki, E., Nowak, J., Olchanski, K., Oleinik, A., Oleynikov, V., Organtini, P., de Solórzano, A. Ortiz, Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Papi, D., Pastuszak, G., Paternoster, G., Peck, A., Pegoraro, P. A., Pelczar, K., Pellegrini, L. A., Perez, R., Perotti, F., Pesudo, V., Piacentini, S. I., Pino, N., Plante, G., Pocar, A., Poehlmann, M., Pordes, S., Pralavorio, P., Price, D., Puglia, S., Bazetto, M. Queiroga, Ragusa, F., Ramachers, Y., Ramirez, A., Ravinthiran, S., Razeti, M., Renshaw, A. L., Rescigno, M., Retiere, F., Rignanese, L. P., Rivetti, A., Roberts, A., Roberts, C., Rogers, G., Romero, L., Rossi, M., Rubbia, A., Rudik, D., Sabia, M., Salomone, P., Samoylov, O., Sandford, E., Sanfilippo, S., Santone, D., Santorelli, R., Santos, E. M., Savarese, C., Scapparone, E., Schillaci, G., Schuckman II, F. G., Scioli, G., Semenov, D. A., Shalamova, V., Sheshukov, A., Simeone, M., Skensved, P., Skorokhvatov, M. D., Smirnov, O., Smirnova, T., Smith, B., Sotnikov, A., Spadoni, F., Spangenberg, M., Stefanizzi, R., Steri, A., Stornelli, V., Stracka, S., Sulis, S., Sung, A., Sunny, C., Suvorov, Y., Szelc, A. M., Taborda, O., Tartaglia, R., Taylor, A., Taylor, J., Tedesco, S., Testera, G., Thieme, K., Thompson, A., Thorpe, T. N., Tonazzo, A., Torres-Lara, S., Tricomi, A., Unzhakov, E. V., Vallivilayil, T. J., Van Uffelen, M., Velazquez-Fernandez, L., Viant, T., Viel, S., Vishneva, A., Vogelaar, R. B., Vossebeld, J., Vyas, B., Wada, M., Walczak, M. B., Wang, H., Wang, Y., Westerdale, S., Williams, L., Wojaczyński, R., Wojcik, M., Wojcik, M. M., Wright, T., Xiao, X., Xie, Y., Yang, C., Yin, J., Zabihi, A., Zakhary, P., Zani, A., Zhang, Y., Zhu, T., Zichichi, A., Zuzel, G., and Zykova, M. P.

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

DarkSide-20k (DS-20k) is a dark matter detection experiment under construction at the Laboratori Nazionali del Gran Sasso (LNGS) in Italy. It utilises ~100 t of low radioactivity argon from an underground source (UAr) in its inner detector, with half serving as target in a dual-phase time projection chamber (TPC). The UAr cryogenics system must maintain stable thermodynamic conditions throughout the experiment's lifetime of >10 years. Continuous removal of impurities and radon from the UAr is essential for maximising signal yield and mitigating background. We are developing an efficient and powerful cryogenics system with a gas purification loop with a target circulation rate of 1000 slpm. Central to its design is a condenser operated with liquid nitrogen which is paired with a gas heat exchanger cascade, delivering a combined cooling power of >8 kW. Here we present the design choices in view of the DS-20k requirements, in particular the condenser's working principle and the cooling control, and we show test results obtained with a dedicated benchmarking platform at CERN and LNGS. We find that the thermal efficiency of the recirculation loop, defined in terms of nitrogen consumption per argon flow rate, is 95 % and the pressure in the test cryostat can be maintained within $\pm$(0.1-0.2) mbar. We further detail a 5-day cool-down procedure of the test cryostat, maintaining a cooling rate typically within -2 K/h, as required for the DS-20k inner detector. Additionally, we assess the circuit's flow resistance, and the heat transfer capabilities of two heat exchanger geometries for argon phase change, used to provide gas for recirculation. We conclude by discussing how our findings influence the finalisation of the system design, including necessary modifications to meet requirements and ongoing testing activities., Comment: 45 pages, 24 figures

Published
2024

2. DarkSide-20k sensitivity to light dark matter particles

Author

Collaboration, DarkSide-20k, Acerbi, F., Adhikari, P., Agnes, P., Ahmad, I., Albergo, S., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Amaudruz, P., Angiolilli, M., Aprile, E., Ardito, R., Corona, M. Atzori, Auty, D. J., Ave, M., Avetisov, I. C., Azzolini, O., Back, H. O., Balmforth, Z., Olmedo, A. Barrado, Barrillon, P., Batignani, G., Bhowmick, P., Blua, S., Bocci, V., Bonivento, W., Bottino, B., Boulay, M. G., Buchowicz, A., Bussino, S., Busto, J., Cadeddu, M., Cadoni, M., Calabrese, R., Camillo, V., Caminata, A., Canci, N., Capra, A., Caravati, M., Cárdenas-Montes, M., Cargioli, N., Carlini, M., Castellani, A., Castello, P., Cavalcante, P., Cebrian, S., Ruiz, J. M. Cela, Chashin, S., Chepurnov, A., Cifarelli, L., Cintas, D., Citterio, M., Cleveland, B., Coadou, Y., Cocco, V., Colaiuda, D., Vilda, E. Conde, Consiglio, L., Costa, B. S., Czubak, M., D'Aniello, M., D'Auria, S., Rolo, M. D. Da Rocha, Darbo, G., Davini, S., De Cecco, S., De Guido, G., Dellacasa, G., Derbin, A. V., Devoto, A., Di Capua, F., Di Ludovico, A., Di Noto, L., Di Stefano, P., Dias, L. K., Mairena, D. Díaz, Ding, X., Dionisi, C., Dolganov, G., Dordei, F., Dronik, V., Elersich, A., Ellingwood, E., Erjavec, T., Diaz, M. Fernandez, Ficorella, A., Fiorillo, G., Franchini, P., Franco, D., Gatti, H. Frandini, Frolov, E., Gabriele, F., Gahan, D., Galbiati, C., Galiński, G., Gallina, G., Gallus, G., Garbini, M., Abia, P. Garcia, Gawdzik, A., Gendotti, A., Ghisi, A., Giovanetti, G. K., Casanueva, V. Goicoechea, Gola, A., Grandi, L., Grauso, G., di Cortona, G. Grilli, Grobov, A., Gromov, M., Guerzoni, M., Gulino, M., Guo, C., Hackett, B. R., Hallin, A., Hamer, A., Haranczyk, M., Harrop, B., Hessel, T., Hill, S., Horikawa, S., Hu, J., Hubaut, F., Hucker, J., Hugues, T., Hungerford, E. V., Ianni, A., Ippolito, V., Jamil, A., Jillings, C., Jois, S., Kachru, P., Keloth, R., Kemmerich, N., Kemp, A., Kendziora, C. L., Kimura, M., Kondo, K., Korga, G., Kotsiopoulou, L., Koulosousas, S., Kubankin, A., Kunzé, P., Kuss, M., Kuźniak, M., Kuzwa, M., La Commara, M., Lai, M., Guirriec, E. Le, Leason, E., Leoni, A., Lidey, L., Lissia, M., Luzzi, L., Lychagina, O., Macfadyen, O., Machulin, I. N., Manecki, S., Manthos, I., Mapelli, L., Marasciulli, A., Mari, S. M., Mariani, C., Maricic, J., Martinez, M., Martoff, C. J., Matteucci, G., Mavrokoridis, K., McDonald, A. B., Mclaughlin, J., Merzi, S., Messina, A., Milincic, R., Minutoli, S., Mitra, A., Moioli, S., Monroe, J., Moretti, E., Morrocchi, M., Mroz, T., Muratova, V. N., Murphy, M., Murra, M., Muscas, C., Musico, P., Nania, R., Nessi, M., Nieradka, G., Nikolopoulos, K., Nikoloudaki, E., Nowak, J., Olchanski, K., Oleinik, A., Oleynikov, V., Organtini, P., de Solórzano, A. Ortiz, Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Papi, D., Pastuszak, G., Paternoster, G., Peck, A., Pegoraro, P. A., Pelczar, K., Pellegrini, L. A., Perez, R., Perotti, F., Pesudo, V., Piacentini, S. I., Pino, N., Plante, G., Pocar, A., Poehlmann, M., Pordes, S., Pralavorio, P., Price, D., Puglia, S., Bazetto, M. Queiroga, Ragusa, F., Ramachers, Y., Ramirez, A., Ravinthiran, S., Razeti, M., Renshaw, A. L., Rescigno, M., Retiere, F., Rignanese, L. P., Rivetti, A., Roberts, A., Roberts, C., Rogers, G., Romero, L., Rossi, M., Rubbia, A., Rudik, D., Sabia, M., Salomone, P., Samoylov, O., Sandford, E., Sanfilippo, S., Santone, D., Santorelli, R., Santos, E. M., Savarese, C., Scapparone, E., Schillaci, G., Schuckman II, F. G., Scioli, G., Semenov, D. A., Shalamova, V., Sheshukov, A., Simeone, M., Skensved, P., Skorokhvatov, M. D., Smirnov, O., Smirnova, T., Smith, B., Sotnikov, A., Spadoni, F., Spangenberg, M., Stefanizzi, R., Steri, A., Stornelli, V., Stracka, S., Sulis, S., Sung, A., Sunny, C., Suvorov, Y., Szelc, A. M., Taborda, O., Tartaglia, R., Taylor, A., Taylor, J., Tedesco, S., Testera, G., Thieme, K., Thompson, A., Tonazzo, A., Torres-Lara, S., Tricomi, A., Unzhakov, E. V., Vallivilayil, T. J., Van Uffelen, M., Velazquez-Fernandez, L., Viant, T., Viel, S., Vishneva, A., Vogelaar, R. B., Vossebeld, J., Vyas, B., Walczak, M. B., Wang, Y., Wang, H., Westerdale, S., Williams, L., Wojaczyński, R., Wojcik, M., Wojcik, M. M., Wright, T., Xie, Y., Yang, C., Yin, J., Zabihi, A., Zakhary, P., Zani, A., Zhang, Y., Zhu, T., Zichichi, A., Zuzel, G., and Zykova, M. P.

Subjects
High Energy Physics - Experiment, Astrophysics - Cosmology and Nongalactic Astrophysics
Abstract

The dual-phase liquid argon time projection chamber is presently one of the leading technologies to search for dark matter particles with masses below 10 GeV/c$^2$. This was demonstrated by the DarkSide-50 experiment with approximately 50 kg of low-radioactivity liquid argon as target material. The next generation experiment DarkSide-20k, currently under construction, will use 1,000 times more argon and is expected to start operation in 2027. Based on the DarkSide-50 experience, here we assess the DarkSide-20k sensitivity to models predicting light dark matter particles, including Weakly Interacting Massive Particles (WIMPs) and sub-GeV/c$^2$ particles interacting with electrons in argon atoms. With one year of data, a sensitivity improvement to dark matter interaction cross-sections by at least one order of magnitude with respect to DarkSide-50 is expected for all these models. A sensitivity to WIMP--nucleon interaction cross-sections below $1\times10^{-42}$ cm$^2$ is achievable for WIMP masses above 800 MeV/c$^2$. With 10 years exposure, the neutrino fog can be reached for WIMP masses around 5 GeV/c$^2$., Comment: submitted to Nature Communications

Published
2024

3. Relative Measurement and Extrapolation of the Scintillation Quenching Factor of $\alpha$-Particles in Liquid Argon using DEAP-3600 Data

Author

The DEAP Collaboration, Adhikari, P., Alpízar-Venegas, M., Amaudruz, P. -A., Anstey, J., Auty, D. J., Batygov, M., Beltran, B., Bina, C. E., Bonivento, W., Boulay, M. G., Bueno, J. F., Cai, B., Cárdenas-Montes, M., Choudhary, S., Cleveland, B. T., Crampton, R., Daugherty, S., DelGobbo, P., Di Stefano, P., Dolganov, G., Doria, L., Duncan, F. A., Dunford, M., Ellingwood, E., Erlandson, A., Farahani, S. S., Fatemighomi, N., Fiorillo, G., Ford, R. J., Gahan, D., Gallacher, D., Abia, P. García, Garg, S., Giampa, P., Giménez-Alcázar, A., Goeldi, D., Gorel, P., Graham, K., Hallin, A. L., Hamstra, M., Haskins, S., Hu, J., Hucker, J., Hugues, T., Ilyasov, A., Jigmeddorj, B., Jillings, C. J., Kaur, G., Yazdi, M. Khoshraftar, Kemp, A., Kuźniak, M., La Zia, F., Lai, M., Langrock, S., Lehnert, B., Levashko, N., Lissia, M., Luzzi, L., Machulin, I., Maru, A., Mason, J., McDonald, A. B., McElroy, T., McLaughlin, J. B., Mielnichuk, C., Mirasola, L., Moharana, A., Monroe, J., Murray, A., Ng, C., Oliviéro, G., Olszewski, M., Pal, S., Papi, D., Park, B., Perry, M., Pesudo, V., Pollmann, T. R., Rad, F., Rethmeier, C., Retière, F., Roszkowski, L., Santorelli, R., Schuckman II, F. G., Seth, S., Shalamova, V., Skensved, P., Smirnova, T., Sobotkiewich, K., Sonley, T., Sosiak, J., Soukup, J., Stainforth, R., Stringer, M., Tang, J., Vázquez-Jáuregui, E., Viel, S., Vyas, B., Walczak, M., Walding, J., Ward, M., Westerdale, S., and Wormington, R.

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

The knowledge of scintillation quenching of $\alpha$-particles plays a paramount role in understanding $\alpha$-induced backgrounds and improving the sensitivity of liquid argon-based direct detection of dark matter experiments. We performed a relative measurement of scintillation quenching in the MeV energy region using radioactive isotopes ($^{222}$Rn, $^{218}$Po and $^{214}$Po isotopes) present in trace amounts in the DEAP-3600 detector and quantified the uncertainty of extrapolating the quenching factor to the low-energy region., Comment: 9 pages, 6 figures (added 1 figure, revised 3 figures), 2 tables, revised sections 3, 4, 5. Accepted in Eur. Phys. J. C

Published
2024

4. Commissioning of miniBELEN-10A, a moderated neutron counter with a flat efficiency for thick-target neutron yields measurements

Author

Mont-Geli N., Tarifeño-Saldivia A., Fraile L.M., Viñals S., Perea A., Pallàs M., Cortés G., Garcia G., Nácher E., Tain J.L., Alcayne V., Alonso-Sañudo O., Algora A., Balibrea-Correa J., Benito J., Borge M.J.G., Briz J.A., Calviño F., Cano-Ott D., De Blas A., Domingo-Pardo C., Fernández B., Garcia R., Gómez-Camacho J., González-Romero E.M., Guerrero C., Lerendegui-Marco J., Llanos M., Martínez T., Martínez-Nouvilas V., Mendoza E., Murias J.R., Orrigo S.E.A., Pérez de Rada A., Pesudo V., Plaza J., Quesada J.M., Sánchez A., Sánchez-Tembleque V., Santorelli R., Tengblad O., Udías J.M., and Villamarín D.

Subjects
Physics, QC1-999
Abstract

miniBELEN-10A is a modular and transportable moderated neutron counter with a nearly flat detection efficiency up to 8 MeV. The detector was designed to carry out measurements of (α, n) reactions in the context of the Measurement of Alpha Neutron Yields (MANY) project. In this work we present the results of the commissioning of miniBELEN-10A using the relatively well-known thick-target neutron yields from 27Al(α, n)30P.

Published
2023
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5. miniBELEN: A modular neutron counter for (𝜶, 𝒏) reactions

Author

Mont-Geli N., Tarifeño-Saldivia A., Fraile L.M., Viñals S., Perea A., Pallàs M., Cortés G., Nácher E., Tain J.L., Alcayne V., Algora A., Balibrea-Correa J., Benito J., Borge M.J.G., Briz J.A., Calviño F., Cano-Ott D., De Blas A., Domingo-Pardo C., Fernández B., Garcia R., García G., Gómez-Camacho J., González-Romero E.M., Guerrero C., Lerendegui-Marco J., Llanos M., Martínez T., Mendoza E., Murias J.R., Orrigo S.E.A., Pérez de Rada A., Pesudo V., Plaza J., Quesada J.M., Sánchez A., Sánchez-Tembleque V., Santorelli R., Tengblad O., Udías J.M., and Villamarín D.

Subjects
Physics, QC1-999
Abstract

miniBELEN is a modular and transportable neutron moderated counter with a nearly flat neutron detection efficiency up to 10 MeV. Modularity implies that the moderator can be reassembled in different ways in order to obtain different types of response. The detector has been developed in the context of the Measurement of Alpha Neutron Yields (MANY) collaboration, which is a scientific effort aiming to carry out measurements of (𝛼, 𝑛) production yields, reaction cross-sections and neutron energy spectra. In this work we present and discuss several configurations of the miniBELEN detector. The experimental validation of the efficiency calculations using 252Cf sources and the measurement of the 27Al(𝛼, 𝑛) 30P reaction is also presented.

Published
2023
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6. White paper on (${\alpha}$, n) neutron yield calculations

Author

Cano-Ott, D., Cebrián, S., Gromov, M., Harańczyk, M., Kish, A., Kluck, H., Kudryavtsev, V. A., Lazanu, I., Lozza, V., Luzón, G., Mendoza, E., Parvu, M., Pesudo, V., Pocar, A., Santorelli, R., Selvi, M., Westerdale, S., and Zuzel, G.

Subjects
Nuclear Experiment, High Energy Physics - Experiment, Nuclear Theory
Abstract

Understanding the radiogenic neutron production rate through the (${\alpha}$, n) reaction is essential in many fields of physics like dark matter searches, neutrino studies, nuclear astrophysics and medical physics. This white paper provides a review of the current landscape of (${\alpha}$, n) yields, neutron spectra and correlated ${\gamma}$-rays calculations, and describes the existing tools and the available cross-sections. The uncertainties that contribute to (${\alpha}$, n) yield calculations are also discussed with plans for a program to improve the accuracy of these estimates. Novel ideas to measure (${\alpha}$, n) cross-sections for a variety of materials of interest are presented. The goal of this study is to reduce the uncertainty in the expected sensitivity of next-generation physics experiments in the keV--MeV regime., Comment: 37 pages, 8 figures

Published
2024

7. A new hybrid gadolinium nanoparticles-loaded polymeric material for neutron detection in rare event searches

Author

Collaboration, DarkSide-20k, Acerbi, F., Adhikari, P., Agnes, P., Ahmad, I., Albergo, S., Albuquerque, I. F., Alexander, T., Alton, A. K., Amaudruz, P., Angiolilli, M., Aprile, E., Ardito, R., Corona, M. Atzori, Auty, D. J., Ave, M., Avetisov, I. C., Azzolini, O., Back, H. O., Balmforth, Z., Olmedo, A. Barrado, Barrillon, P., Batignani, G., Bhowmick, P., Bocci, V., Bonivento, W., Bottino, B., Boulay, M. G., Buchowicz, A., Bussino, S., Busto, J., Cadeddu, M., Cadoni, M., Calabrese, R., Camillo, V., Caminata, A., Canci, N., Capra, A., Caravati, M., Cárdenas-Montes, M., Cargioli, N., Carlini, M., Castellani, A., Castello, P., Cavalcante, P., Cavallo, D., Cebrian, S., Ruiz, J. Cela, Chashin, S., Chepurnov, A., Cifarelli, L., Cintas, D., Citterio, M., Cleveland, B., Coadou, Y., Cocco, V., Colaiuda, D., Vilda, E. Conde, Consiglio, L., Costa, B. S., Czubak, M., D'Auria, S., Rolo, M. D. Da Rocha, Darbo, G., Davini, S., De Cecco, S., De Guido, G., Dellacasa, G., Derbin, A. V., Devoto, A., Di Capua, F., Di Ludovico, A., Di Noto, L., Di Stefano, P., Dias, L. K., Mairena, D. Díaz, Ding, X., Dionisi, C., Dolganov, G., Dordei, F., Dronik, V., Elersich, A., Ellingwood, E., Erjavec, T., Diaz, M. Fernandez, Ficorella, A., Fiorillo, G., Franchini, P., Franco, D., Gatti, H. Frandini, Frolov, E., Gabriele, F., Gahan, D., Galbiati, C., Galinski, G., Gallina, G., Garbini, M., Abia, P. Garcia, Gawdzik, A., Gendotti, A., Ghisi, A., Giovanetti, G. K., Casanueva, V. Goicoechea, Gola, A., Grandi, L., Grauso, G., di Cortona, G. Grilli, Grobov, A., Gromov, M., Guerzoni, M., Gulino, M., Guo, C., Hackett, B. R., Hallin, A., Hamer, A., Haranczyk, M., Harrop, B., Hessel, T., Hill, S., Horikawa, S., Hu, J., Hubaut, F., Hucker, J., Hugues, T., Hungerford, E. V., Ianni, A., Ippolito, V., Jamil, A., Jillings, C., Keloth, R., Kemmerich, N., Kemp, A., Kendziora, C. L., Kimura, M., Kondo, K., Korga, G., Kotsiopoulou, L., Koulosousas, S., Kubankin, A., Kuss, M., Kuzniak, M., Kuzwa, M., La Commara, M., Lai, M., Guirriec, E. Le, Leason, E., Leoni, A., Lidey, L., Lissia, M., Luzzi, L., Lychagina, O., Macfadyen, O., Machulin, I. N., Manecki, S., Manthos, I., Mapelli, L., Marasciulli, A., Mari, S. M., Mariani, C., Maricic, J., Marini, A., Martinez, M., Martoff, C. J., Matteucci, G., Mavrokoridis, K., McDonald, A. B., Mclaughlin, J., Merzi, S., Messina, A., Milincic, R., Minutoli, S., Mitra, A., Moharana, A., Moioli, S., Monroe, J., Moretti, E., Morrocchi, M., Mroz, T., Muratova, V. N., Murphy, M., Murra, M., Muscas, C., Musico, P., Nania, R., Nessi, M., Nieradka, G., Nikolopoulos, K., Nikoloudaki, E., Nowak, J., Olchanski, K., Oleinik, A., Oleynikov, V., Organtini, P., de Solórzano, A. Ortiz, Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Papi, D., Pastuszak, G., Paternoster, G., Peddis, D., Pegoraro, P. A., Pelczar, K., Pellegrini, L. A., Perez, R., Perotti, F., Pesudo, V., Piacentini, S. I., Pino, N., Plante, G., Pocar, A., Poehlmann, M., Pordes, S., Pralavorio, P., Price, D., Puglia, S., Bazetto, M. Queiroga, Ragusa, F., Ramachers, Y., Ramirez, A., Ravinthiran, S., Razeti, M., Renshaw, A. L., Rescigno, M., Retiere, F., Rignanese, L. P., Rivetti, A., Roberts, A., Roberts, C., Rogers, G., Romero, L., Rossi, M., Rubbia, A., Rudik, D., Sabia, M., Sadashivajois, S., Salomone, P., Samoylov, O., Sandford, E., Sanfilippo, S., Santone, D., Santorelli, R., Santos, E. M., Savarese, C., Scapparone, E., Schillaci, G., Schuckman II, F. G., Scioli, G., Semenov, D. A., Sheshukov, A., Simeone, M., Skensved, P., Skorokhvatov, M. D., Slimani, S., Smirnov, O., Smirnova, T., Smith, B., Sotnikov, A., Spadoni, F., Spangenberg, M., Stefanizzi, R., Steri, A., Stornelli, V., Stracka, S., Sulis, S., Sung, A., Sunny, C., Suvorov, Y., Szelc, A. M., Taborda, O., Tartaglia, R., Taylor, A., Taylor, J., Tedesco, S., Testera, G., Thieme, K., Thompson, A., Tonazzo, A., Torres-Lara, S., Tosi, S., Tricomi, A., Unzhakov, E. V., Vallivilayil, T. J., Van Uffelen, M., Velazquez-Fernandez, L., Viant, T., Vicini, S., Viel, S., Vishneva, A., Vogelaar, R. B., Vossebeld, J., Vyas, B., Wada, M., Walczak, M. B., Wang, H., Wang, Y., Westerdale, S., Williams, L., Wojaczynski, R., Wojcik, M. M., Wojcik, M., Wright, T., Xie, Y., Yang, C., Yin, J., Zabihi, A., Zakhary, P., Zani, A., Zhang, Y., Zhu, T., Zichichi, A., Zuzel, G., and Zykova, M. P.

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

Experiments aimed at direct searches for WIMP dark matter require highly effective reduction of backgrounds and control of any residual radioactive contamination. In particular, neutrons interacting with atomic nuclei represent an important class of backgrounds due to the expected similarity of a WIMP-nucleon interaction, so that such experiments often feature a dedicated neutron detector surrounding the active target volume. In the context of the development of DarkSide-20k detector at INFN Gran Sasso National Laboratory (LNGS), several R&D projects were conceived and developed for the creation of a new hybrid material rich in both hydrogen and gadolinium nuclei to be employed as an essential element of the neutron detector. Thanks to its very high cross-section for neutron capture, gadolinium is one of the most widely used elements in neutron detectors, while the hydrogen-rich material is instrumental in efficiently moderating the neutrons. In this paper results from one of the R&Ds are presented. In this effort the new hybrid material was obtained as a poly(methyl methacrylate) (PMMA) matrix, loaded with gadolinium oxide in the form of nanoparticles. We describe its realization, including all phases of design, purification, construction, characterization, and determination of mechanical properties of the new material.

Published
2024
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8. Directionality of nuclear recoils in a liquid argon time projection chamber

Author

Collaboration, The DarkSide-20k, Agnes, P., Ahmad, I., Albergo, S., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Amaudruz, P., Corona, M. Atzori, Ave, M., Avetisov, I. Ch., Azzolini, O., Back, H. O., Balmforth, Z., Barrado-Olmedo, A., Barrillon, P., Basco, A., Batignani, G., Bocci, V., Bonivento, W. M., Bottino, B., Boulay, M. G., Busto, J., Cadeddu, M., Caminata, A., Canci, N., Cappello, G., Capra, A., Caprioli, S., Caravati, M., Cargioli, N., Carlini, M., Castello, P., Cataudella, V., Cavalcante, P., Cavuoti, S., Cebrian, S., Ruiz, J. M. Cela, Chashin, S., Chepurnov, A., Chyhyrynets, E., Cifarelli, L., Cintas, D., Citterio, M., Cleveland, B., Cocco, V., Vilda, E. Conde, Consiglio, L., Copello, S., Covone, G., Czubak, M., D'Aniello, M., D'Auria, S., Rolo, M. D. Da Rocha, Davini, S., de Candia, A., De Cecco, S., De Gruttola, D., De Filippis, G., Dell'Aquila, D., De Pasquale, S., De Rosa, G., Dellacasa, G., Derbin, A. V., Devoto, A., Di Capua, F., Di Noto, L., Dionisi, C., Di Stefano, P., Dolganov, G., Dordei, F., Elersich, A., Ellingwood, E., Erjavec, T., Diaz, M. Fernandez, Fiorillo, G., Franchini, P., Franco, D., Funicello, N., Gabriele, F., Gahan, D., Galbiati, C., Gallina, G., Gallus, G., Garbini, M., Abia, P. Garcia, Gendotti, A., Ghiano, C., Giganti, C., Giovanetti, G. K., Casanueva, V. Goicoechea, Gola, A., Grauso, G., di Cortona, G. Grilli, Grobov, A., Gromov, M., Guan, M., Guerzoni, M., Gulino, M., Guo, C., Hackett, B. R., Hallin, A. L., Hamer, A., Haranczyk, M., Hessel, T., Hill, S., Horikawa, S., Hubaut, F., Hucker, J., Hugues, T., Ianni, An., Ippolito, V., Jillings, C., Jois, S., Kachru, P., Kemmerich, N., Kemp, A. A., Kendziora, C. L., Kimura, M., Kochanek, I., Kondo, K., Korga, G., Koulosousas, S., Kubankin, A., Kuss, M., Kuzniak, M., La Commara, M., Lai, M., Guirriec, E. Le, Leason, E., Leoni, A., Li, X., Lidey, L., Lissia, M., Luzzi, L., Lychagina, O., Macfadyen, O., Machulin, I. N., Manecki, S., Manthos, I., Mapelli, L., Margotti, A., Marik, S. M., Mariani, C., Maricic, J., Marini, A., Martínez, M., Martoff, C. J., Matteucci, G., Mavrokoridis, K., McDonald, A. B., Messina, A., Milincic, R., Mitra, A., Moharana, A., Monroe, J., Moretti, E., Morrocchi, M., Mróz, T., Muratova, V. N., Muscas, C., Musico, P., Nania, R., Nessi, M., Nieradka, G., Nikolopoulos, K., Nowak, J., Olchansky, K., Oleinik, A., Oleynikov, V., Organtini, P., de Solórzano, A. Ortiz, Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Paternoster, G., Pegoraro, P. A., Pelczar, K., Pesudo, V., Piacentini, S., Pino, N., Pocar, A., Poehlmann, D. M., Pordes, S., Pralavorio, P., Price, D., Ragusa, F., Ramachers, Y., Razeti, M., Renshaw, A. L., Rescigno, M., Retiere, F., Rignanese, L. P., Ripoli, C., Rivetti, A., Roberts, A., Roberts, C., Rode, J., Rogers, G., Romero, L., Rossi, M., Rubbia, A., Sabia, M. A., Salomone, P., Sandford, E., Sanfilippo, S., Santone, D., Santorelli, R., Savarese, C., Scapparone, E., Schillaci, G., Schuckman II, F. G., Scioli, G., Simeone, M., Skensved, P., Skorokhvatov, M. D., Smirnov, O., Smirnova, T., Smith, B., Sosa, A., Spadoni, F., Spangenberg, M., Stefanizzi, R., Steri, A., Stornelli, V., Stracka, S., Stringer, M., Sulis, S., Sung, A., Suvorov, Y., Szelc, A. M., Tartaglia, R., Taylor, A., Taylor, J., Tedesco, S., Testera, G., Thieme, K., Thorpe, T. N., Tonazzo, A., Tricomi, A., Unzhakov, E. V., John, T. Vallivilayil, Van Uffelen, M., Viant, T., Viel, S., Vogelaar, R. B., Vossebeld, J., Wada, M., Walczak, M. B., Wang, H., Wang, Y., Westerdale, S., Williams, L., Wingerter-Seez, I., Wojaczynski, R., Wojcik, Ma. M., Wright, T., Xie, Y., Yang, C., Zabihi, A., Zakhary, P., Zani, A., Zichichi, A., Zuzel, G., and Zykova, M. P.

Subjects
Physics - Instrumentation and Detectors
Abstract

The direct search for dark matter in the form of weakly interacting massive particles (WIMP) is performed by detecting nuclear recoils (NR) produced in a target material from the WIMP elastic scattering. A promising experimental strategy for direct dark matter search employs argon dual-phase time projection chambers (TPC). One of the advantages of the TPC is the capability to detect both the scintillation and charge signals produced by NRs. Furthermore, the existence of a drift electric field in the TPC breaks the rotational symmetry: the angle between the drift field and the momentum of the recoiling nucleus can potentially affect the charge recombination probability in liquid argon and then the relative balance between the two signal channels. This fact could make the detector sensitive to the directionality of the WIMP-induced signal, enabling unmistakable annual and daily modulation signatures for future searches aiming for discovery. The Recoil Directionality (ReD) experiment was designed to probe for such directional sensitivity. The TPC of ReD was irradiated with neutrons at the INFN Laboratori Nazionali del Sud, and data were taken with 72 keV NRs of known recoil directions. The direction-dependent liquid argon charge recombination model by Cataudella et al. was adopted and a likelihood statistical analysis was performed, which gave no indications of significant dependence of the detector response to the recoil direction. The aspect ratio R of the initial ionization cloud is estimated to be 1.037 +/- 0.027 and the upper limit is R < 1.072 with 90% confidence level, Comment: 20 pages, 10 figures, submitted to Eur. Phys. J. C

Published
2023

9. Commissioning of miniBELEN-10A, a moderated neutron counter with a flat efficiency for thick-target neutron yields measurements

Author

Mont-Geli, N, Tarifeño-Saldivia, A, Fraile, L M, Viñals, S, Perea, A, Pallàs, M, Cortés, G, Garcia, G, Nácher, E, Tain, J L, Alcayne, V, Alonso-Sañudo, O, Algora, A, Balibrea-Correa, J, Benito, J, Borge, M J G, Briz, J A, Calviño, F, Cano-Ott, D, De Blas, A, Domingo-Pardo, C, Fernández, B, Garcia, R, Gómez-Camacho, J, González-Romero, E M, Guerrero, C, Lerendegui-Marco, J, Llanos, M, Martínez, T, Martínez-Nouvilas, V, Mendoza, E, Murias, J R, Orrigo, S E A, de Rada, A Pérez, Pesudo, V, Plaza, J, Quesada, J M, Sánchez, A, Sánchez-Tembleque, V, Santorelli, R, Tengblad, O, Udías, J M, and Villamarín, D

Subjects
Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract

miniBELEN-10A is a modular and transportable moderated neutron counter with a nearly flat detection efficiency up to 8 MeV. The detector was designed to carry out measurements of (alpha, n) reactions in the context of the Measurement of Alpha Neutron Yields (MANY) project. In this work we present the results of the commissioning of miniBELEN-10A using the relatively well-known thick-target neutron yields from 27Al(alpha, n)30P.

Published
2023

10. Measurement of the Argon Purity by ICP-MS and Results of the Analysis of the Gas Used for the MicroBooNE Experiment

Author

Santorelli, R., Olmedo, A. I. Barrado, Vilda, E. Conde, Diaz, M. Fernandez, Pesudo, V., and Romero, L.

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

Measuring the argon purity is critical for all Ar-based rare event research experiments. Mass spectrometry is typically used to assess the uranium and thorium contamination in samples of the materials used to build low-background detectors; however, this technique has the potential to provide other valuable information that is currently not exploited. We have shown that, by ICP-MS, it is possible to identify and quantify common chemical contaminants in argon. Preliminary tests were done with the gas extracted from the experiments MicroBooNE at FNAL and ArDM at LSC. In the former case, we evidenced relevant nitrogen contamination well above the one measured in the commercial argon gas. In ArDM, we identified and quantified the presence of mercury in the gas used for its science run. In both cases, the presence of krypton (~ppb) and xenon (~10s ppb) in argon gas has been established., Comment: Proceedings for Low Radioactivity Techniques (LRT) 2022

Published
2023

11. Precision Measurement of the Specific Activity of $^{39}$Ar in Atmospheric Argon with the DEAP-3600 Detector

Author

Adhikari, P., Ajaj, R., Alpízar-Venegas, M., Amaudruz, P. -A., Anstey, J., Araujo, G. R., Auty, D. J., Baldwin, M., Batygov, M., Beltran, B., Benmansour, H., Bina, C. E., Bonatt, J., Bonivento, W., Boulay, M. G., Broerman, B., Bueno, J. F., Burghardt, P. M., Butcher, A., Cadeddu, M., Cai, B., Cárdenas-Montes, M., Cavuoti, S., Chen, M., Chen, Y., Choudhary, S., Cleveland, B. T., Corning, J. M., Crampton, R., Cranshaw, D., Daughtery, S., DelGobbo, P., Dering, K., Di Stefano, P., DiGioseffo, J., Dolganov, G., Doria, L., Duncan, F. A., Dunford, M., Ellingwood, E., Erlandson, A., Farahani, S. S., Fatemighomi, N., Fiorillo, G., Florian, S., Flower, A., Ford, R. J., Gagnon, R., Gallacher, D., Abia, P. García, Garg, S., Giampa, P., Giménez-Alcázar, A., Goeldi, D., Golovko, V. V., Gorel, P., Graham, K., Grant, D. R., Grobov, A., Hallin, A. L., Hamstra, M., Harvey, P. J., Haskins, S., Hearns, C., Hu, J., Hucker, J., Hugues, T., Ilyasov, A., Jigmeddorj, B., Jillings, C. J., Joy, A., Kamaev, O., Kaur, G., Kemp, A., Kuźniak, M., La Zia, F., Lai, M., Langrock, S., Lehnert, B., Leonhardt, A., LePage-Bourbonnais, J., Levashko, N., Lidgard, J., Lindner, T., Lissia, M., Lock, J., Machulin, I., Majewski, P., Maru, A., Mason, J., McDonald, A. B., McElroy, T., McGinn, T., McLaughlin, J. B., Mehdiyev, R., Mielnichuk, C., Mirasola, L., Monroe, J., Nadeau, P., Nantais, C., Ng, C., Noble, A. J., O'Dwyer, E., Oliviéro, G., Ouellet, C., Pal, S., Papi, D., Pasuthip, P., Peeters, S. J. M., Perry, M., Pesudo, V., Picciau, E., Piro, M. -C., Pollmann, T. R., Rad, F., Rand, E. T., Rethmeier, C., Retière, F., García, I. Rodríguez, Roszkowski, L., Ruhland, J. B., Santorelli, R., Schuckman II, F. G., Seeburn, N., Seth, S., Shalamova, V., Singhrao, K., Skensved, P., Smith, N. J. T., Smith, B., Sobotkiewich, K., Sonley, T., Sosiak, J., Soukup, J., Stainforth, R., Stone, C., Strickland, V., Stringer, M., Sur, B., Tang, J., Vázquez-Jáuregui, E., Veloce, L., Viel, S., Vyas, B., Walczak, M., Walding, J., Ward, M., Westerdale, S., Willis, J., and Zuñiga-Reyes, A.

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

The specific activity of the beta decay of $^{39}$Ar in atmospheric argon is measured using the DEAP-3600 detector. DEAP-3600, located 2 km underground at SNOLAB, uses a total of (3269 $\pm$ 24) kg of liquid argon distilled from the atmosphere to search for dark matter. This detector with very low background uses pulseshape discrimination to differentiate between nuclear recoils and electron recoils and is well-suited to measure the decay of $^{39}$Ar. With 167 live-days of data, the measured specific activity at the time of atmospheric extraction is [0.964 $\pm$ 0.001 (stat) $\pm$ 0.024 (sys)] Bq/kg$_{\rm atmAr}$ which is consistent with results from other experiments. A cross-check analysis using different event selection criteria provides a consistent result.

Published
2023
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12. Sensitivity projections for a dual-phase argon TPC optimized for light dark matter searches through the ionization channel

Author

Agnes, P., Ahmad, I., Albergo, S., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Amaudruz, P., Corona, M. Atzori, Auty, D. J., Ave, M., Avetisov, I. Ch., Avetisov, R. I., Azzolini, O., Back, H. O., Balmforth, Z., Barbarian, V., Olmedo, A. Barrado, Barrillon, P., Basco, A., Batignani, G., Berzin, E., Bondar, A., Bonivento, W. M., Borisova, E., Bottino, B., Boulay, M. G., Buccino, G., Bussino, S., Busto, J., Buzulutskov, A., Cadeddu, M., Cadoni, M., Caminata, A., Canci, N., Capra, A., Caprioli, S., Caravati, M., Cárdenas-Montes, M., Cargioli, N., Carlini, M., Castello, P., Cataudella, V., Cavalcante, P., Cavuoti, S., Cebrian, S., Ruiz, J. M. Cela, Chashin, S., Chepurnov, A., Chyhyrynets, E, Cicalò, C., Cifarelli, L., Cintas, D., Cocco, V., Vilda, E. Conde, Consiglio, L., Copello, S., Covone, G., Cross, S., Czudak, P., D'Aniello, M., D'Auria, S., Rolo, M. D. Da Rocha, Dadoun, O., Daniel, M., Davini, S., De Candia, A., De Cecco, S., De Falco, A., De Filippis, G., De Gruttola, D., De Pasquale, S., De Rosa, G., Dellacasa, G., Derbin, A. V., Devoto, A., Di Capua, F., Di Noto, L., Di Stefano, P., Dionisi, C., Dolganov, G., Dordei, F., Doria, L., Erjavec, T., Diaz, M. Fernandez, Fiorillo, G., Franceschi, A., Franchini, P., Franco, D., Frolov, E., Funicello, N., Gabriele, F., Gahan, D., Galbiati, C., Gallina, G., Gallus, G., Garbini, M., Abia, P. Garcia, Gendotti, A., Ghiano, C., Giampaolo, R. A., Giganti, C., Giorgi, M. A., Giovanetti, G. K., Casanueva, V. Goicoechea, Gola, A., Gorman, D., Diaz, R. Graciani, Grauso, G., di Cortona, G. Grilli, Grobov, A., Gromov, M., Guan, M., Guerzoni, M., Gulino, M., Guo, C., Hackett, B. R., Hall, J. B., Hallin, A. L., Hamer, A., Helton, H., Haranczyk, M., Hessel, T., Hill, S., Horikawa, S., Hubaut, F., Hugues, T., Hungerford, E. V., Ianni, An., Ippolito, V., Jillings, C., Kachru, P., Kemp, A. A., Kendziora, C. L., Keppel, G., Khomyakov, A. V., Kimura, M., Kochanek, I., Kondo, K., Korga, G., Koulosousas, S., Kubankin, A., Kuss, M., Kuźniak, M., La Commara, M., Lai, M., Guirriec, E. Le, Leason, E., Li, X., Lidey, L., Lipp, J., Lissia, M., Longo, G., Luzzi, L., Macfadyen, O., Machulin, I. N., Manthos, I., Mapelli, L., Margotti, A., Mari, S. M., Mariani, C., Maricic, J., Marini, A., Martínez, M., Martoff, C. J., Masoni, A., Mavrokoridis, K., Mazzi, A., McDonald, A. B., Messina, A., Milincic, R., Moggi, A., Moharana, A., Monroe, J., Morrocchi, M., Mozhevitina, E. N., Mróz, T., Muratova, V. N., Muscas, C., Musico, P., Nania, R., Napolitano, T., Nessi, M., Nieradka, G., Nikolopoulos, K., Nikulin, I., Nowak, J., Olchansky, K., Oleinik, A., Oleynikov, V., Organtini, P., de Solórzano, A. Ortiz, Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Paternoster, G., Pegoraro, P. A., Pelczar, K., Pellegrino, C., Perotti, F., Pesudo, V., Piacentini, S., Pietropaolo, F., Pino, N., Pira, C., Pocar, A., Poehlmann, D. M., Pordes, S., Pralavorio, P., Price, D., Raffaelli, F., Ragusa, F., Ramachers, Y., Ramirez, A., Razeti, M., Razeto, A., Renshaw, A. L., Rescigno, M., Resnati, F., Retiere, F., Rignanese, L. P., Ripoli, C., Rivetti, A., Roberts, A., Roberts, C., Rode, J., Rogers, G., Romero, L., Rossi, M., Rubbia, A., Sadashivajois, S., Saffold, T. R., Samoylov, O., Sandford, E., Sanfilippo, S., Santone, D., Santorelli, R., Savarese, C., Scapparone, E., Scioli, G., Semenov, D. A., Shchagin, A., Sheshukov, A., Simeone, M., Skensved, P., Skorokhvatov, M. D., Smirnov, O., Smirnova, T., Smith, B., Sokolov, A., Spangenberg, M., Stefanizzi, R., Steri, A., Stracka, S., Strickland, V., Stringer, M., Sulis, S., Sung, A., Suvorov, Y., Szelc, A. M., Türkoğ, C., Tartaglia, R., Taylor, A., Taylor, J., Tedesco, S., Testera, G., Thieme, K., Thorpe, T. N., Tonazzo, A., Torres-Lara, S., Tricomi, A., Unzhakov, E. V., John, T. Vallivilayil, Van Uffelen, M., Viant, T., Viel, S., Vishneva, A., Vogelaar, R. B., Vossebeld, J., Wada, M., Walczak, M. B., Wang, Y., Westerdale, S., Wheadon, R. J., Williams, L., Wingerter-Seez, I., Wojaczyński, R., Wojcik, Ma. M., Wojcik, Ma., Wright, T., Xie, Y., Yang, C., Zabihi, A., Zakhary, P., Zani, A., Zichichi, A., Zuzel, G., and Zykova, M. P.

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

Dark matter lighter than 10 GeV/c$^2$ encompasses a promising range of candidates. A conceptual design for a new detector, DarkSide-LowMass, is presented, based on the DarkSide-50 detector and progress toward DarkSide-20k, optimized for a low-threshold electron-counting measurement. Sensitivity to light dark matter is explored for various potential energy thresholds and background rates. These studies show that DarkSide-LowMass can achieve sensitivity to light dark matter down to the solar neutrino floor for GeV-scale masses and significant sensitivity down to 10 MeV/c$^2$ considering the Migdal effect or interactions with electrons. Requirements for optimizing the detector's sensitivity are explored, as are potential sensitivity gains from modeling and mitigating spurious electron backgrounds that may dominate the signal at the lowest energies.

Published
2022
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13. The Double Chooz antineutrino detectors

Author

Double Chooz Collaboration, de Kerret, H., Abe, Y., Aberle, C., Abrahão, T., Ahijado, J. M., Akiri, T., Alarcón, J. M., Alba, J., Almazan, H., Anjos, J. C. dos, Appel, S., Ardellier, F., Barabanov, I., Barriere, J. C., Baussan, E., Baxter, A., Bekman, I., Bergevin, M., Bernstein, A., Bertoli, W., Bezerra, T. J. C., Bezrukov, L., Blanco, C., Bleurvacq, N., Blucher, E., Bonet, H., Bongrand, M., Bowden, N. S, Brugière, T., Buck, C., Avanzini, M. Buizza, Busenitz, J., Cabrera, A., Calvo, E., Camilleri, L., Carr, R., Cazaux, S., Cela, J. M., Cerrada, M., Chang, P. J., Charon, P., Chauveau, E., Chimenti, P., Classen, T., Collin, A. P., Conover, E., Conrad, J. M, Cormon, S., Corpace, O., Courty, B., Crespo-Anadón, J. I., Cribier, M., Crum, K., Cuadrado, S., Cucoanes, A., D'Agostino, M., Damon, E., Dawson, J. V., Dazeley, S., Dierckxsens, M., Dietrich, D., Djurcic, Z., Dorigo, F., Dracos, M., Durand, V., Efremekov, Y., Elnimr, M., Etenko, A., Falk, E., Fallot, M., Fechner, M., Felde, J., Fernandes, S. M., Fernández-Bedoya, C., Francia, D., Franco, D., Fischer, V., Franke, A. J., Franke, M., Furuta, H., Garcia, F., Garcia, J., Gil-Botella, I., Giot, L., Givaudan, A., Göger-Neff, M., Gomez, H., Gonzalez, L. F. G., Goodenough, L., Goodman, M. C., Goon, J., Gramlich, B., Greiner, D., Guertin, A., Guillon, B., Habib, S. M., Haddad, Y., Hara, T., Hartmann, F. X., Hartnell, J., Haser, J., Hatzikoutelis, A., Hellwig, D., Hervé, S., Hofacker, R., Horton-Smith, G., Hourlier, A., Ishitsuka, M., Jänner, K., Jiménez, S., Jochum, J., Jollet, C., Kaether, F., Kale, K., Kalousis, L., Kamyshkov, Y., Kaneda, M., Kaplan, D. M., Karakac, M., Kawasaki, T., Kemp, E., Kibe, Y., Kirchner, T., Konno, T., Kryn, D., Kutter, T., Kuze, M., Lachenmaier, T., Lane, C. E., Langbrandtner, C., Lasserre, T., Lastoria, C., Latron, L., Leonardo, C., Letourneau, A., Lhuillier, D., Lima Jr, H. P., Lindner, M., López-Castaño, J. M., LoSecco, J. M., Lubsandorzhiev, B., Lucht, S., Maeda, J., Maesano, C. N., Mariani, C., Maricic, J., Marie, F., Martinez, J. J., Martino, J., Matsubara, T., McKee, D., Meigner, F., Mention, G., Meregaglia, A., Meyer, J. P., Miletic, T., Milincic, R., Millot, J. F., Minotti, A., Mirones, V., Miyata, H., Mueller, Th. A., Nagasaka, Y., Nakajima, K., Navas-Nicolás, D., Nikitenko, Y., Novella, P., Oberauer, L., Obolensky, M., Onillon, A., Oralbaev, A., Ostrovskiy, I., Palomares, C., Peeters, S. J. M., Pepe, I. M., Perasso, S., Perrin, P., Pfahler, P., Porta, A., Pronost, G., Puras, J. C., Quéval, R., Ramirez, J. L., Reichenbacher, J., Reinhold, B., Reissfelder, M., Remoto, A., Reyna, D., Rodriguez, I., Röhling, M., Roncin, R., Rudolf, N., Rybolt, B., Sakamoto, Y., Santorelli, R., Sato, F., Schwan, U., Scola, L., Settimo, M., Schönert, S., Schoppmann, S., Shaevitz, M. A., Sharankova, R., Sibille, V., Sida, J. L., Sinev, V., Shrestha, D., Skorokhvatov, M., Soldin, P., Spitz, J., Stahl, A., Stancu, I., Starzynski, P., Stock, M. R., Stokes, L. F. F., Strait, M., Stüken, A., Suekane, F., Sukhotin, S., Sumiyoshi, T., Sun, Y., Sun, Z., Svoboda, R., Tabata, H., Tamura, N., Terao, K., Tonazzo, A., Toral, F., Toups, M., Thi, H. Trinh, Valdivia, F., Valdiviesso, G., Vassilopoulos, N., Verdugo, A., Veyssiere, C., Viaud, B., Vignaud, D., Vivier, M., Wagner, S., Wiebusch, C., White, B., Winslow, L., Worcester, M., Wurm, M., Wurtz, J., Yang, G., Yáñez, J., Yermia, F., and Zbiri, K.

Subjects
Physics - Instrumentation and Detectors
Abstract

This article describes the setup and performance of the near and far detectors in the Double Chooz experiment. The electron antineutrinos of the Chooz nuclear power plant were measured in two identically designed detectors with different average baselines of about 400 m and 1050 m from the two reactor cores. Over many years of data taking the neutrino signals were extracted from interactions in the detectors with the goal of measuring a fundamental parameter in the context of neutrino oscillation, the mixing angle {\theta}13. The central part of the Double Chooz detectors was a main detector comprising four cylindrical volumes filled with organic liquids. From the inside towards the outside there were volumes containing gadolinium-loaded scintillator, gadolinium-free scintillator, a buffer oil and, optically separated, another liquid scintillator acting as veto system. Above this main detector an additional outer veto system using plastic scintillator strips was installed. The technologies developed in Double Chooz were inspiration for several other antineutrino detectors in the field. The detector design allowed implementation of efficient background rejection techniques including use of pulse shape information provided by the data acquisition system. The Double Chooz detectors featured remarkable stability, in particular for the detected photons, as well as high radiopurity of the detector components., Comment: 49 pages, 29 figures

Published
2022
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14. Time and band-resolved scintillation in time projection chambers based on gaseous xenon

Author

Leardini, S., García, E. Sánchez, Amedo, P., Saa-Hernández, A., González-Díaz, D., Santorelli, R., Fernández-Posada, D. J., and González, D.

Subjects
Physics - Instrumentation and Detectors
Abstract

We present a systematic study of the time and band-resolved scintillation in xenon-based time projection chambers (TPCs), performed simultaneously for the primary (S1) and secondary (S2) components in a small, purity-controlled, setup. We explore a range of conditions of general academic interest, focusing on those of relevance to contemporary TPCs: pressure range ([1- 10] bar), pressure-reduced electric fields ([0-100] V/cm/bar in the drift region (S1) and up to the proportional scintillation regime in the multiplication region (S2)), wavelength-band ([145-250], [250-400], [400-600] nm), and primary excitation ($\alpha$, $\beta$-particles). Attention is paid to the possibility of non-conventional scintillation mechanisms such as the 3rd continuum emission, recombination light from $\beta$-electrons at high pressure (for S1), emission from high-lying excited states and neutral bremsstrahlung (for S2). Time constants and, specially, scintillation yields have been obtained as a function of electric field and pressure, the latter aided by Geant4 simulations., Comment: 12 pages, 19 figures

Published
2021
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16. Study of cosmogenic activation above ground for the DarkSide-20k experiment

Author

Elersich, A., Agnes, P., Ahmad, I., Albergo, S., Albuquerque, I.F.M., Alexander, T., Alton, A.K., Amaudruz, P., Atzori Corona, M., Ave, M., Avetisov, I.Ch., Azzolini, O., Back, H.O., Balmforth, Z., Barrado-Olmedo, A., Barrillon, P., Basco, A., Batignani, G., Bocci, V., Bonivento, W.M., Bottino, B., Boulay, M.G., Busto, J., Cadeddu, M., Caminata, A., Canci, N., Capra, A., Caprioli, S., Caravati, M., Cargioli, N., Carlini, M., Castello, P., Cavalcante, P., Cavuoti, S., Cebrian, S., Cela Ruiz, J.M., Chashin, S., Chepurnov, A., Chyhyrynets, E., Cifarelli, L., Cintas, D., Citterio, M., Cleveland, B., Cocco, V., Colaiuda, D., Conde Vilda, E., Consiglio, L., Copello, S., Covone, G., Czubak, M., D’Aniello, M., D’Auria, S., Da Rocha Rolo, M.D., Davini, S., De Cecco, S., De Gruttola, D., De Pasquale, S., De Rosa, G., Dellacasa, G., Derbin, A.V., Devoto, A., Di Capua, F., Di Noto, L., Di Stefano, P., Dolganov, G., Dordei, F., Ellingwood, E., Erjavec, T., Fernandez Diaz, M., Fiorillo, G., Franchini, P., Franco, D., Funicello, N., Gabriele, F., Gahan, D., Galbiati, C., Gallina, G., Gallus, G., Garbini, M., Garcia Abia, P., Gendotti, A., Ghiano, C., Giganti, C., Giovanetti, G.K., Goicoechea Casanueva, V., Gola, A., Grauso, G., Grilli di Cortona, G., Grobov, A., Gromov, M., Guan, M., Guerzoni, M., Gulino, M., Guo, C., Hackett, B.R., Hallin, A.L., Hamer, A., Haranczyk, M., Hessel, T., Hill, S., Horikawa, S., Hubaut, F., Hucker, J., Hugues, T., Ianni, An., Ippolito, V., Jillings, C., Jois, S., Kachru, P., Kemp, A.A., Kendziora, C.L., Kimura, M., Kochanek, I., Kondo, K., Korga, G., Koulosousas, S., Kubankin, A., Kuss, M., Kuzniak, M., La Commara, M., Lai, M., Le Guirriec, E., Leason, E., Leoni, A., Lidey, L., Lissia, M., Luzzi, L., Lychagina, O., Macfadyen, O., Machulin, I.N., Manecki, S., Manthos, I., Mapelli, L., Margotti, A., Mari, S.M., Mariani, C., Maricic, J., Marini, A., Martínez, M., Martoff, C.J., Matteucci, G., Mavrokoridis, K., McDonald, A.B., Messina, A., Milincic, R., Mitra, A., Moharana, A., Monroe, J., Moretti, E., Morrocchi, M., Mróz, T., Muratova, V.N., Muscas, C., Musico, P., Nania, R., Nessi, M., Nieradka, G., Nikolopoulos, K., Nowak, J., Olchansky, K., Oleinik, A., Oleynikov, V., Organtini, P., Ortiz de Solórzano, A., Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Paternoster, G., Pegoraro, P.A., Pelczar, K., Pellegrino, C., Pesudo, V., Piacentini, S., Pietrofaccia, L., Pino, N., Pocar, A., Poehlmann, D.M., Pordes, S., Pralavorio, P., Price, D., Ragusa, F., Ramachers, Y., Razeti, M., Renshaw, A.L., Rescigno, M., Retiere, F., Rignanese, L.P., Ripoli, C., Rivetti, A., Roberts, A., Roberts, C., Rode, J., Rogers, G., Romero, L., Rossi, M., Rubbia, A., Sabia, M.A., Salomone, P., Sandford, E., Sanfilippo, S., Santone, D., Santorelli, R., Savarese, C., Scapparone, E., Schillaci, G., Schuckman II, F.G., Scioli, G., Simeone, M., Skensved, P., Skorokhvatov, M.D., Smirnov, O., Smirnova, T., Smith, B., Spadoni, F., Spangenberg, M., Stefanizzi, R., Steri, A., Stornelli, V., Stracka, S., Stringer, M., Sulis, S., Sung, A., Suvorov, Y., Szelc, A.M., Tartaglia, R., Taylor, A., Taylor, J., Tedesco, S., Testera, G., Thieme, K., Thorpe, T.N., Tonazzo, A., Tricomi, A., Unzhakov, E.V., Vallivilayil John, T., Van Uffelen, M., Viant, T., Viel, S., Vogelaar, R.B., Vossebeld, J., Wada, M., Walczak, M.B., Wang, H., Wang, Y., Westerdale, S., Williams, L., Wingerter-Seez, I., Wojaczynski, R., Wojcik, Ma.M., Wright, T., Xie, Y., Yang, C., Zabihi, A., Zakhary, P., Zani, A., Zichichi, A., Zuzel, G., and Zykova, M.P.

Published
2023
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18. Measurement of isotopic separation of argon with the prototype of the cryogenic distillation plant Aria for dark matter searches

Author

Aaron, E., Agnes, P., Ahmad, I., Albergo, S., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Amaudruz, P., Atzori Corona, M., Ave, M., Avetisov, I. Ch., Azzolini, O., Back, H. O., Balmforth, Z., Barrado, A., Barrillon, P., Basco, A., Batignani, G., Bocci, V., Bonivento, W. M., Bottino, B., Boulay, M. G., Busto, J., Cadeddu, M., Caminata, A., Canci, N., Capra, A., Caprioli, S., Caravati, M., Cargioli, N., Carlini, M., Castello, P., Cavalcante, P., Cavuoti, S., Cebrian, S., Cela Ruiz, J. M., Chashin, S., Chepurnov, A., Chyhyrynets, E., Cifarelli, L., Cintas, D., Citterio, M., Cleveland, B., Cocco, V., Conde Vilda, E., Consiglio, L., Copello, S., Covone, G., Czubak, M., D’Aniello, M., D’Auria, S., Da Rocha Rolo, M. D., Davini, S., De Cecco, S., De Guido, G., De Gruttola, D., De Pasquale, S., De Rosa, G., Dellacasa, G., Derbin, A. V., Devoto, A., Di Capua, F., Di Noto, L., Di Stefano, P., Dolganov, G., Dordei, F., Ellingwood, E., Erjavec, T., Farenzena, S., Fernandez Diaz, M., Fiorillo, G., Franchini, P., Franco, D., Funicello, N., Gabriele, F., Gahan, D., Galbiati, C., Gallina, G., Gallus, G., Garbini, M., Garcia Abia, P., Gendotti, A., Ghiano, C., Giganti, C., Giovanetti, G. K., Goicoechea Casanueva, V., Gola, A., Grauso, G., Grilli di Cortona, G., Grobov, A., Gromov, M., Guan, M., Guerzoni, M., Gulino, M., Guo, C., Hackett, B. R., Hallin, A. L., Hamer, A., Haranczyk, M., Hessel, T., Hill, S., Horikawa, S., Hubaut, F., Hucker, J., Hugues, T., Ianni, An., Ippolito, V., Jillings, C., Jois, S., Kachru, P., Kemp, A. A., Kendziora, C. L., Kimura, M., Kochanek, I., Kondo, K., Korga, G., Koulosousas, S., Kubankin, A., Kuss, M., Kuźniak, M., La Commara, M., Lai, M., Lami, N., Le Guirriec, E., Leason, E., Leoni, A., Lidey, L., Lippi, F., Lissia, M., Luzzi, L., Lychagina, O., Maccioni, N., Macfadyen, O., Machulin, I. N., Manecki, S., Manthos, I., Mapelli, L., Margotti, A., Mari, S. M., Mariani, C., Maricic, J., Marini, A., Martínez, M., Martoff, C. J., Mascia, M., Masoni, A., Matteucci, G., Mavrokoridis, K., Maxia, C., McDonald, A. B., Messina, A., Milincic, R., Mitra, A., Moharana, A., Moioli, S., Monroe, J., Moretti, E., Morrocchi, M., Mróz, T., Muratova, V. N., Muscas, C., Musico, P., Nania, R., Nessi, M., Nikolopoulos, K., Nowak, J., Olchansky, K., Oleinik, A., Oleynikov, V., Organtini, P., de Solórzano, A. Ortiz, Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Paternoster, G., Pegoraro, P. A., Pelczar, K., Pellegrini, L. A., Pellegrino, C., Pesudo, V., Piacentini, S., Pietrofaccia, L., Pino, N., Pocar, A., Poehlmann, D. M., Pordes, S., Pralavorio, P., Price, D., Ragusa, F., Ramachers, Y., Razeti, M., Renshaw, A. L., Rescigno, M., Retiere, F., Rignanese, L. P., Ripoli, C., Rivetti, A., Roberts, A., Roberts, C., Rode, J., Rogers, G., Romero, L., Rossi, M., Rubbia, A., Sabia, M. A., Sabiu, G. M., Salomone, P., Sandford, E., Sanfilippo, S., Santone, D., Santorelli, R., Savarese, C., Scapparone, E., Schillaci, G., Schukman, F., Scioli, G., Simeone, M., Skensved, P., Skorokhvatov, M. D., Smirnov, O., Smirnova, T., Smith, B., Spadoni, F., Spangenberg, M., Stefanizzi, R., Steri, A., Stornelli, V., Stracka, S., Stringer, M., Sulis, S., Sung, A., Suvorov, Y., Szelc, A. M., Tartaglia, R., Taylor, A., Taylor, J., Tedesco, S., Testera, G., Thieme, K., Thorpe, T. N., Tonazzo, A., Tricomi, A., Unzhakov, E. V., Vallivilayil John, T., Van Uffelen, M., Viant, T., Viel, S., Vogelaar, R. B., Vossebeld, J., Wada, M., Walczak, M. B., Wang, H., Wang, Y., Westerdale, S., Williams, L., Wingerter-Seez, I., Wojaczyński, R., Wojcik, Ma. M., Wright, T., Xie, Y., Yang, C., Zabihi, A., Zakhary, P., Zani, A., Zichichi, A., Zuzel, G., and Zykova, M. P.

Published
2023
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19. The Double Chooz antineutrino detectors

Author

de Kerret, H., Abe, Y., Aberle, C., Abrahão, T., Ahijado, J. M., Akiri, T., Alarcón, J. M., Alba, J., Almazan, H., dos Anjos, J. C., Appel, S., Ardellier, F., Barabanov, I., Barriere, J. C., Baussan, E., Baxter, A., Bekman, I., Bergevin, M., Bernstein, A., Bertoli, W., Bezerra, T. J. C., Bezrukov, L., Blanco, C., Bleurvacq, N., Blucher, E., Bonet, H., Bongrand, M., Bowden, N. S, Brugière, T., Buck, C., Avanzini, M. Buizza, Busenitz, J., Cabrera, A., Caden, E., Calvo, E., Camilleri, L., Carr, R., Cazaux, S., Cela, J. M., Cerrada, M., Chang, P. J., Charon, P., Chauveau, E., Chimenti, P., Classen, T., Collin, A. P., Conover, E., Conrad, J. M, Cormon, S., Corpace, O., Courty, B., Crespo-Anadón, J. I., Cribier, M., Crum, K., Cuadrado, S., Cucoanes, A., D’Agostino, M., Damon, E., Dawson, J. V., Dazeley, S., Dierckxsens, M., Dietrich, D., Djurcic, Z., Dorigo, F., Dracos, M., Durand, V., Efremeko, Y., Elnimr, M., Etenko, A., Falk, E., Fallot, M., Fechner, M., Felde, J., Fernandes, S. M., Fernández-Bedoya, C., Francia, D., Franco, D., Fischer, V., Franke, A. J., Franke, M., Furuta, H., Garcia, F., Garcia, J., Gil-Botella, I., Giot, L., Givaudan, A., Göger-Neff, M., Gomez, H., Gonzalez, L. F. G., Goodenough, L., Goodman, M. C., Goon, J., Gramlich, B., Greiner, D., Guertin, A., Guillon, B., Habib, S. M., Haddad, Y., Hara, T., Hartmann, F. X., Hartnell, J., Haser, J., Hatzikoutelis, A., Hellwig, D., Hervé, S., Hofacker, R., Horton-Smith, G., Hourlier, A., Ishitsuka, M., Jänner, K., Jiménez, S., Jochum, J., Jollet, C., Kaether, F., Kale, K., Kalousis, L., Kamyshkov, Y., Kaneda, M., Kaplan, D. M., Karakac, M., Kawasaki, T., Kemp, E., Kibe, Y., Kirchner, T., Konno, T., Kryn, D., Kutter, T., Kuze, M., Lachenmaier, T., Lane, C. E., Langbrandtner, C., Lasserre, T., Lastoria, C., Latron, L., Leonardo, C., Letourneau, A., Lhuillier, D., Lima, Jr, H. P., Lindner, M., López-Castaño, J. M., LoSecco, J. M., Lubsandorzhiev, B., Lucht, S., Maeda, J., Maesano, C. N., Mariani, C., Maricic, J., Marie, F., Martinez, J. J., Martino, J., Matsubara, T., McKee, D., Meigner, F., Mention, G., Meregaglia, A., Meyer, J. P., Miletic, T., Milincic, R., Millot, J. F., Minotti, A., Mirones, V., Miyata, H., Mueller, Th. A., Nagasaka, Y., Nakajima, K., Navas-Nicolás, D., Nikitenko, Y., Novella, P., Oberauer, L., Obolensky, M., Onillon, A., Oralbaev, A., Ostrovskiy, I., Palomares, C., Peeters, S. J. M., Pepe, I. M., Perasso, S., Perrin, P., Pfahler, P., Porta, A., Pronost, G., Puras, J. C., Quéval, R., Ramirez, J. L., Reichenbacher, J., Reinhold, B., Reissfelder, M., Remoto, A., Reyna, D., Rodriguez, I., Röhling, M., Roncin, R., Rudolf, N., Rybolt, B., Sakamoto, Y., Santorelli, R., Sato, F., Schwan, U., Schönert, S., Schoppmann, S., Scola, L., Settimo, M., Shaevitz, M. A., Sharankova, R., Sibille, V., Sida, J.-L., Sinev, V., Shrestha, D., Skorokhvatov, M., Soldin, P., Spitz, J., Stahl, A., Stancu, I., Starzynski, P., Stock, M. R., Stokes, L. F. F., Strait, M., Stüken, A., Suekane, F., Sukhotin, S., Sumiyoshi, T., Sun, Y., Sun, Z., Svoboda, R., Tabata, H., Tamura, N., Terao, K., Tonazzo, A., Toral, F., Toups, M., Thi, H. Trinh, Valdivia, F., Valdiviesso, G., Vassilopoulos, N., Verdugo, A., Veyssiere, C., Viaud, B., Vignaud, D., Vivier, M., Wagner, S., Wiebusch, C., White, B., Winslow, L., Worcester, M., Wurm, M., Wurtz, J., Yang, G., Yáñez, J., Yermia, F., and Zbiri, K.

Published
2022
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21. The European Physical Journal C

Author

Aaron, E., Agnes, P., Ahmad, I., Albergo, S., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Amaudruz, P., Atzori Corona, M., Ave, M., Avetisov, I. Ch., Azzolini, O., Back, H. O., Balmforth, Z., Barrado, A., Barrillon, P., Basco, A., Batignani, G., Bocci, V., Bonivento, W. M., Bottino, B., Boulay, M. G., Busto, J., Cadeddu, M., Caminata, A., Canci, N., Capra, A., Caprioli, S., Caravati, M., Cargioli, N., Carlini, M., Castello, P., Cavalcante, P., Cavuoti, S., Cebrian, S., Cela Ruiz, J. M., Chashin, S., Chepurnov, A., Chyhyrynets, E., Cifarelli, L., Cintas, D., Citterio, M., Cleveland, B., Cocco, V., Conde Vilda, E., Consiglio, L., Copello, S., Covone, G., Czubak, M., D’Aniello, M., D’Auria, S., Da Rocha Rolo, M. D., Davini, S., De Cecco, S., De Guido, G., De Gruttola, D., De Pasquale, S., De Rosa, G., Dellacasa, G., Derbin, A. V., Devoto, A., Di Capua, F., Di Noto, L., Di Stefano, P., Dolganov, G., Dordei, F., Ellingwood, E., Erjavec, T., Farenzena, S., Fernandez Diaz, M., Fiorillo, G., Franchini, P., Franco, D., Funicello, N., Gabriele, F., Gahan, D., Galbiati, C., Gallina, G., Gallus, G., Garbini, M., Garcia Abia, P., Gendotti, A., Ghiano, C., Giganti, C., Giovanetti, G. K., Goicoechea Casanueva, V., Gola, A., Grauso, G., Grilli di Cortona, G., Grobov, A., Gromov, M., Guan, M., Guerzoni, M., Gulino, M., Guo, C., Hackett, B. R., Hallin, A. L., Hamer, A., Haranczyk, M., Hessel, T., Hill, S., Horikawa, S., Hubaut, F., Hucker, J., Hugues, T., Ianni, An., Ippolito, V., Jillings, C., Jois, S., Kachru, P., Kemp, A. A., Kendziora, C. L., Kimura, M., Kochanek, I., Kondo, K., Korga, G., Koulosousas, S., Kubankin, A., Kuss, M., Kuźniak, M., La Commara, M., Lai, M., Lami, N., Le Guirriec, E., Leason, E., Leoni, A., Lidey, L., Lippi, F., Lissia, M., Luzzi, L., Lychagina, O., Maccioni, N., Macfadyen, O., Machulin, I. N., Manecki, S., Manthos, I., Mapelli, L., Margotti, A., Mari, S. M., Mariani, C., Maricic, J., Marini, A., Martínez, M., Martoff, C. J., Mascia, M., Masoni, A., Matteucci, G., Mavrokoridis, K., Maxia, C., Mcdonald, A. B., Messina, A., Milincic, R., Mitra, A., Moharana, A., Moioli, S., Monroe, J., Moretti, E., Morrocchi, M., Mróz, T., Muratova, V. N., Muscas, C., Musico, P., Nania, R., Nessi, M., Nikolopoulos, K., Nowak, J., Olchansky, K., Oleinik, A., Oleynikov, V., Organtini, P., Ortiz de Solórzano, A., Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Paternoster, G., Pegoraro, P. A., Pelczar, K., Pellegrini, L. A., Pellegrino, C., Pesudo, V., Piacentini, S., Pietrofaccia, L., Pino, N., Pocar, A., Poehlmann, D. M., Pordes, S., Pralavorio, P., Price, D., Ragusa, F., Ramachers, Y., Razeti, M., Renshaw, A. L., Rescigno, M., Retiere, F., Rignanese, L. P., Ripoli, C., Rivetti, A., Roberts, A., Roberts, C., Rode, J., Rogers, G., Romero, L., Rossi, M., Rubbia, A., Sabia, M. A., Sabiu, G. M., Salomone, P., Sandford, E., Sanfilippo, S., Santone, D., Santorelli, R., Savarese, C., Scapparone, E., Schillaci, G., Schukman, F., Scioli, G., Simeone, M., Skensved, P., Skorokhvatov, M. D., Smirnov, O., Smirnova, T., Smith, B., Spadoni, F., Spangenberg, M., Stefanizzi, R., Steri, A., Stornelli, V., Stracka, S., Stringer, M., Sulis, S., Sung, A., Suvorov, Y., Szelc, A. M., Tartaglia, R., Taylor, A., Taylor, J., Tedesco, S., Testera, G., Thieme, K., Thorpe, T. N., Tonazzo, A., Tricomi, A., Unzhakov, E. V., Vallivilayil John, T., Van Uffelen, M., Viant, T., Viel, S., Vogelaar, R. B., Vossebeld, J., Wada, M., Walczak, M. B., Wang, H., Wang, Y., Westerdale, S., Williams, L., Wingerter-Seez, I., Wojaczyński, R., Wojcik, Ma. M., Wright, T., Xie, Y., Yang, C., Zabihi, A., Zakhary, P., Zani, A., Zichichi, A., Zuzel, G., Zykova &amp, M. P., DarkSide-20k, Collaboration, 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), 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), DarkSide-20k, Aaron, E., Agnes, P., Ahmad, I., Albergo, S., Albuquerque, I. F. M., Alexander, T., Alton, A. K., Amaudruz, P., Atzori Corona, M., Ave, M., Avetisov, I. C., Azzolini, O., Back, H. O., Balmforth, Z., Barrado, A., Barrillon, P., Basco, A., Batignani, G., Bocci, V., Bonivento, W. M., Bottino, B., Boulay, M. G., Busto, J., Cadeddu, M., Caminata, A., Canci, N., Capra, A., Caprioli, S., Caravati, M., Cargioli, N., Carlini, M., Castello, P., Cavalcante, P., Cavuoti, S., Cebrian, S., Cela Ruiz, J. M., Chashin, S., Chepurnov, A., Chyhyrynets, E., Cifarelli, L., Cintas, D., Citterio, M., Cleveland, B., Cocco, V., Conde Vilda, E., Consiglio, L., Copello, S., Covone, G., Czubak, M., D'Aniello, M., D'Auria, S., Da Rocha Rolo, M. D., Davini, S., De Cecco, S., De Guido, G., De Gruttola, D., De Pasquale, S., De Rosa, G., Dellacasa, G., Derbin, A. V., Devoto, A., Di Capua, F., Di Noto, L., Di Stefano, P., Dolganov, G., Dordei, F., Ellingwood, E., Erjavec, T., Farenzena, S., Fernandez Diaz, M., Fiorillo, G., Franchini, P., Franco, D., Funicello, N., Gabriele, F., Gahan, D., Galbiati, C., Gallina, G., Gallus, G., Garbini, M., Garcia Abia, P., Gendotti, A., Ghiano, C., Giganti, C., Giovanetti, G. K., Goicoechea Casanueva, V., Gola, A., Grauso, G., Grilli di Cortona, G., Grobov, A., Gromov, M., Guan, M., Guerzoni, M., Gulino, M., Guo, C., Hackett, B. R., Hallin, A. L., Hamer, A., Haranczyk, M., Hessel, T., Hill, S., Horikawa, S., Hubaut, F., Hucker, J., Hugues, T., Ianni, A., Ippolito, V., Jillings, C., Jois, S., Kachru, P., Kemp, A. A., Kendziora, C. L., Kimura, M., Kochanek, I., Kondo, K., Korga, G., Koulosousas, S., Kubankin, A., Kuss, M., Kuzniak, M., La Commara, M., Lai, M., Lami, N., Le Guirriec, E., Leason, E., Leoni, A., Lidey, L., Lippi, F., Lissia, M., Luzzi, L., Lychagina, O., Maccioni, N., Macfadyen, O., Machulin, I. N., Manecki, S., Manthos, I., Mapelli, L., Margotti, A., Mari, S. M., Mariani, C., Maricic, J., Marini, A., Martinez, M., Martoff, C. J., Mascia, M., Masoni, A., Matteucci, G., Mavrokoridis, K., Maxia, C., Mcdonald, A. B., Messina, A., Milincic, R., Mitra, A., Moharana, A., Moioli, S., Monroe, J., Moretti, E., Morrocchi, M., Mroz, T., Muratova, V. N., Muscas, C., Musico, P., Nania, R., Nessi, M., Nikolopoulos, K., Nowak, J., Olchansky, K., Oleinik, A., Oleynikov, V., Organtini, P., de Solorzano, A. O., Pagani, L., Pallavicini, M., Pandola, L., Pantic, E., Paoloni, E., Paternoster, G., Pegoraro, P. A., Pelczar, K., Pellegrini, L. A., Pellegrino, C., Pesudo, V., Piacentini, S., Pietrofaccia, L., Pino, N., Pocar, A., Poehlmann, D. M., Pordes, S., Pralavorio, P., Price, D., Ragusa, F., Ramachers, Y., Razeti, M., Renshaw, A. L., Rescigno, M., Retiere, F., Rignanese, L. P., Ripoli, C., Rivetti, A., Roberts, A., Roberts, C., Rode, J., Rogers, G., Romero, L., Rossi, M., Rubbia, A., Sabia, M. A., Sabiu, G. M., Salomone, P., Sandford, E., Sanfilippo, S., Santone, D., Santorelli, R., Savarese, C., Scapparone, E., Schillaci, G., Schukman, F., Scioli, G., Simeone, M., Skensved, P., Skorokhvatov, M. D., Smirnov, O., Smirnova, T., Smith, B., Spadoni, F., Spangenberg, M., Stefanizzi, R., Steri, A., Stornelli, V., Stracka, S., Stringer, M., Sulis, S., Sung, A., Suvorov, Y., Szelc, A. M., Tartaglia, R., Taylor, A., Taylor, J., Tedesco, S., Testera, G., Thieme, K., Thorpe, T. N., Tonazzo, A., Tricomi, A., Unzhakov, E. V., Vallivilayil John, T., Van Uffelen, M., Viant, T., Viel, S., Vogelaar, R. B., Vossebeld, J., Wada, M., Walczak, M. B., Wang, H., Wang, Y., Westerdale, S., Williams, L., Wingerter-Seez, I., Wojaczynski, R., Wojcik, M. M., Wright, T., Xie, Y., Yang, C., Zabihi, A., Zakhary, P., Zani, A., Zichichi, A., Zuzel, G., and Zykova, M. P.

Subjects
Physics - Instrumentation and Detectors, WIMP, dark matter, DarkSide-20k, stability, buildings, programming, nitrogen, cryogenic distillation, Gran Sasso, astro-ph.IM, cryogenics, quality, Dark Matter, Argon, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Astrophysics - Instrumentation and Methods for Astrophysics, experimental results
Abstract

The Aria cryogenic distillation plant, located in Sardinia, Italy, is a key component of the DarkSide-20k experimental program for WIMP dark matter searches at the INFN Laboratori Nazionali del Gran Sasso, Italy. Aria is designed to purify the argon, extracted from underground wells in Colorado, USA, and used as the DarkSide-20k target material, to detector-grade quality. In this paper, we report the first measurement of argon isotopic separation by distillation with the 26 m tall Aria prototype. We discuss the measurement of the operating parameters of the column and the observation of the simultaneous separation of the three stable argon isotopes: $${}^{36}\hbox {Ar}$$ 36 Ar , $${}^{38}\textrm{Ar}$$ 38 Ar , and $${}^{40}\textrm{Ar}$$ 40 Ar . We also provide a detailed comparison of the experimental results with commercial process simulation software. This measurement of isotopic separation of argon is a significant achievement for the project, building on the success of the initial demonstration of isotopic separation of nitrogen using the same equipment in 2019.

Published
2023

22. Thermal neutron background at Laboratorio Subterráneo de Canfranc (LSC)

Author

(0000-0002-1552-7126) Plaza, J., Martínez, T., (0000-0003-3434-9086) Bécares, V., (0000-0002-9568-7508) Cano-Ott, D., Villamarín, D., Pérez De Rada, A., Mendoza, E., Pesudo, V., Santorelli, R., Peña, C., (0000-0002-8404-3256) Balibrea-Correa, J., (0000-0002-7209-2499) Boeltzig, A., (0000-0002-1552-7126) Plaza, J., Martínez, T., (0000-0003-3434-9086) Bécares, V., (0000-0002-9568-7508) Cano-Ott, D., Villamarín, D., Pérez De Rada, A., Mendoza, E., Pesudo, V., Santorelli, R., Peña, C., (0000-0002-8404-3256) Balibrea-Correa, J., and (0000-0002-7209-2499) Boeltzig, A.

Abstract

The thermal neutron background at Laboratorio Subterráneo de Canfranc (LSC) has been determined using several ³He proportional counter detectors. Bare and Cd shielded counters were used in a series of long measurements. Pulse shape discrimination techniques were applied to discriminate between neutron and gamma signals as well as other intrinsic contributions. Montecarlo simulations allowed us to estimate the sensitivity of the detectors and calculate values for the background flux of thermal neutrons inside Hall-A of LSC. The obtained value is (3.5±0.8)×10⁻⁶ n/cm²s, and is within an order of magnitude compared to similar facilities.

Published
2023

23. Thermal neutron background at Laboratorio Subterráneo de Canfranc (LSC)

Author

Ministerio de Ciencia e Innovación (España), Plaza del Olmo, J., Martínez, T., Bécares, V., Cano-Ott, D., Villamarin, D., Pérez de Rada, A., Mendoza, E., Pesudo, V., Santorelli, R., Peña-Garay, Carlos, Balibrea, Javier, Boeltzig, A., Ministerio de Ciencia e Innovación (España), Plaza del Olmo, J., Martínez, T., Bécares, V., Cano-Ott, D., Villamarin, D., Pérez de Rada, A., Mendoza, E., Pesudo, V., Santorelli, R., Peña-Garay, Carlos, Balibrea, Javier, and Boeltzig, A.

Abstract

The thermal neutron background at Laboratorio Subterráneo de Canfranc (LSC) has been determined using several He proportional counter detectors. Bare and Cd shielded counters were used in a series of long measurements. Pulse shape discrimination techniques were applied to discriminate between neutron and gamma signals as well as other intrinsic contributions. Montecarlo simulations allowed us to estimate the sensitivity of the detectors and calculate values for the background flux of thermal neutrons inside Hall-A of LSC. The obtained value is (3.5±0.8)×10 n/cms, and is within an order of magnitude compared to similar facilities.

Published
2023

25. miniBELEN: a modular neutron counter for (alpha,n) reactions

Author

Mont-Geli, N, Tarifeño-Saldivia, A, Fraile, L M, Viñals, S, Perea, A, Pallàs, M, Cortés, G, Nácher, E, Tain, J L, Alcayne, V, Algora, A, Balibrea-Correa, J, Benito, J, Borge, M J G, Briz, J A, Calviño, F, Cano-Ott, D, De Blas, A, Domingo-Pardo, C, Fernández, B, Garcia, R, García, G, Gómez-Camacho, J, González-Romero, E M, Guerrero, C, Lerendegui-Marco, J, Llanos, M, Martínez, T, Mendoza, E, Murias, J R, Orrigo, S E A, de Rada, A Pérez, Pesudo, V, Plaza, J, Quesada, J M, Sánchez, A, Sánchez-Tembleque, V, Santorelli, R, Tengblad, O, Udías, J M, and Villamarín, D

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

miniBELEN is a modular and transportable neutron moderated counter with a nearly flat neutron detection efficiency up to 10 MeV. Modularity implies that the moderator can be reassembled in different ways in order to obtain different types of response. The detector has been developed in the context of the Measurement of Alpha Neutron Yields (MANY) collaboration, which is a scientific effort aiming to carry out measurements of (alpha,n) production yields, reaction cross-sections and neutron energy spectra. In this work we present and discuss several configurations of the miniBELEN detector. The experimental validation of the efficiency calculations using 252Cf sources and the measurement of the 27Al(alpha,n)30P reaction is also presented., Comment: 15th International Conference on Nuclear Data for Science and Technology (ND2022)

Published
2023
Full Text
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26. Implementation and optimization of the PTOLEMY transverse drift electromagnetic filter

Author

Apponi, A., Betti, M. G., Borghesi, M., Boscá, A., Calle, F., Canci, N., Cavoto, G., Chang, C., Chung, W., Cocco, A. G., Colijn, A. P., D'Ambrosio, N., de Groot, N., Faverzani, M., Ferella, A., Ferri, E., Ficcadenti, L., Garcia-Abia, P., Gomez-Tejedor, G. Garcia, Gariazzo, S., Gatti, F., Gentile, C., Giachero, A., Hochberg, Y., Kahn, Y., Kievsky, A., Lisanti, M., Mangano, G., Marcucci, L. E., Mariani, C., Martínez, J., Messina, M., Monticone, E., Nucciotti, A., Orlandi, D., Pandolfi, F., Parlati, S., Pedrós, J., Heros, C. Pérez de los, Pisanti, O., Polosa, A. D., Puiu, A., Rago, I., Raitses, Y., Rajteri, M., Rossi, N., Rozwadowska, K., Rucandio, I., Ruocco, A., Santorelli, R., Strid, C. F., Tan, A., Tully, C. G., Viviani, M., Zeitler, U., Zhao, F., Apponi, A, Betti, M, Borghesi, M, Canci, N, Cavoto, G, Chang, C, Chung, W, Cocco, A, Colijn, A, D'Ambrosio, N, De Groot, N, Faverzani, M, Ferella, A, Ferri, E, Ficcadenti, L, Gariazzo, S, Gatti, F, Gentile, C, Giachero, A, Hochberg, Y, Kahn, Y, Kievsky, A, Lisanti, M, Mangano, G, Marcucci, L, Mariani, C, Messina, M, Monticone, E, Nucciotti, A, Orlandi, D, Pandolfi, F, Parlati, S, Perez De Los Heros, C, Pisanti, O, Polosa, A, Puiu, A, Rago, I, Raitses, Y, Rajteri, M, Rossi, N, Rozwadowska, K, Ruocco, A, Strid, C, Tan, A, Tully, C, Viviani, M, Zeitler, U, Zhao, F, Apponi, A., Betti, M. G., Borghesi, M., Canci, N., Cavoto, G., Chang, C., Chung, W., Cocco, A. G., Colijn, A. P., D'Ambrosio, N., de Groot, N., Faverzani, M., Ferella, A., Ferri, E., Ficcadenti, L., Gariazzo, S., Gatti, F., Gentile, C., Giachero, A., Hochberg, Y., Kahn, Y., Kievsky, A., Lisanti, M., Mangano, G., Marcucci, L. E., Mariani, C., Messina, M., Monticone, E., Nucciotti, A., Orlandi, D., Pandolfi, F., Parlati, S., P??rez de los Heros, C., Pisanti, O., Polosa, A. D., Puiu, A., Rago, I., Raitses, Y., Rajteri, M., Rossi, N., Rozwadowska, K., Ruocco, A., Strid, C. F., Tan, A., Tully, C. G., Viviani, M., Zeitler, U., and Zhao, F.

Subjects
Physics - Instrumentation and Detectors, Mass spectrometers, Neutrino detectors, Particle detectors, Very low-energy charged particle detectors, Mass spectrometer, FOS: Physical sciences, Instrumentation and Detectors (physics.ins-det), Very low-energy charged particle detector, Neutrino detector, Semiconductors and Nanostructures, High Energy Physics, Particle detector, Astrophysics - Instrumentation and Methods for Astrophysics, Instrumentation and Methods for Astrophysics (astro-ph.IM), Instrumentation, Mathematical Physics
Abstract

The PTOLEMY transverse drift filter is a new concept to enable precision analysis of the energy spectrum of electrons near the tritium beta-decay endpoint. This paper details the implementation and optimization methods for successful operation of the filter. We present the first demonstrator that produces the required magnetic field properties with an iron return-flux magnet. Two methods for the setting of filter electrode voltages are detailed. The challenges of low-energy electron transport in cases of low field are discussed, such as the growth of the cyclotron radius with decreasing magnetic field, which puts a ceiling on filter performance relative to fixed filter dimensions. Additionally, low pitch angle trajectories are dominated by motion parallel to the magnetic field lines and introduce non-adiabatic conditions and curvature drift. To minimize these effects and maximize electron acceptance into the filter, we present a three-potential-well design to simultaneously drain the parallel and transverse kinetic energies throughout the length of the filter. These optimizations are shown, in simulation, to achieve low-energy electron transport from a 1 T iron core (or 3 T superconducting) starting field with initial kinetic energy of 18.6 keV drained to, 29 pages, 25 figures

Published
2022

27. First Direct Detection Constraints on Planck-Scale Mass Dark Matter with Multiple-Scatter Signatures Using the DEAP-3600 Detector.

Author

Adhikari P, Ajaj R, Alpízar-Venegas M, Auty DJ, Benmansour H, Bina CE, Bonivento W, Boulay MG, Cadeddu M, Cai B, Cárdenas-Montes M, Cavuoti S, Chen Y, Cleveland BT, Corning JM, Daugherty S, DelGobbo P, Di Stefano P, Doria L, Dunford M, Ellingwood E, Erlandson A, Farahani SS, Fatemighomi N, Fiorillo G, Gallacher D, García Abia P, Garg S, Giampa P, Goeldi D, Gorel P, Graham K, Grobov A, Hallin AL, Hamstra M, Hugues T, Ilyasov A, Joy A, Jigmeddorj B, Jillings CJ, Kamaev O, Kaur G, Kemp A, Kochanek I, Kuźniak M, Lai M, Langrock S, Lehnert B, Leonhardt A, Levashko N, Li X, Lissia M, Litvinov O, Lock J, Longo G, Machulin I, McDonald AB, McElroy T, McLaughlin JB, Mielnichuk C, Mirasola L, Monroe J, Oliviéro G, Pal S, Peeters SJM, Perry M, Pesudo V, Picciau E, Piro MC, Pollmann TR, Raj N, Rand ET, Rethmeier C, Retière F, Rodríguez-García I, Roszkowski L, Ruhland JB, Sanchez García E, Sánchez-Pastor T, Santorelli R, Seth S, Sinclair D, Skensved P, Smith B, Smith NJT, Sonley T, Stainforth R, Stringer M, Sur B, Vázquez-Jáuregui E, Viel S, Walding J, Waqar M, Ward M, Westerdale S, Willis J, and Zuñiga-Reyes A

Abstract

Dark matter with Planck-scale mass (≃10^{19}  GeV/c^{2}) arises in well-motivated theories and could be produced by several cosmological mechanisms. A search for multiscatter signals from supermassive dark matter was performed with a blind analysis of data collected over a 813 d live time with DEAP-3600, a 3.3 t single-phase liquid argon-based detector at SNOLAB. No candidate signals were observed, leading to the first direct detection constraints on Planck-scale mass dark matter. Leading limits constrain dark matter masses between 8.3×10^{6} and 1.2×10^{19}  GeV/c^{2}, and ^{40}Ar-scattering cross sections between 1.0×10^{-23} and 2.4×10^{-18}  cm^{2}. These results are interpreted as constraints on composite dark matter models with two different nucleon-to-nuclear cross section scalings.

Published
2022
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