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

Autor: 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., Zuñiga-Reyes, A.

Publikováno v: Eur. Phys. J. C 83, 642 (2023)

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 sea

Externí odkaz: http://arxiv.org/abs/2302.14639

First direct detection constraints on Planck-scale mass dark matter with multiple-scatter signatures using the DEAP-3600 detector

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

Publikováno v: Phys. Rev. Lett. 128, 011801 (2022)

Dark matter particles with Planck-scale mass ($\simeq10^{19}\text{GeV}/c^2$) arise in well-motivated theories and could be produced by several cosmological mechanisms. Using a blind analysis of data collected over a 813 d live time with DEAP-3600, a

Externí odkaz: http://arxiv.org/abs/2108.09405

Pulseshape discrimination against low-energy Ar-39 beta decays in liquid argon with 4.5 tonne-years of DEAP-3600 data

Autor: The DEAP Collaboration, Adhikari, P., Ajaj, R., Alpízar-Venegas, M., Amaudruz, P. -A., Auty, D. J., 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., Cleveland, B. T., Corning, J. M., Cranshaw, D., Daugherty, S., DelGobbo, P., Dering, K., DiGioseffo, J., Di Stefano, P., Doria, L., Duncan, F. A., Dunford, M., Ellingwood, E., Erlandson, A., Farahani, S. S., Fatemighomi, N., Fiorillo, G., Florian, S., Flower, T., Ford, R. J., Gagnon, R., Gallacher, D., Abia, P. García, Garg, S., Giampa, P., Goeldi, D., Golovko, V., Gorel, P., Graham, K., Grant, D. R., Grobov, A., Hallin, A. L., Hamstra, M., Harvey, P. J., Hearns, C., Hugues, T., Ilyasov, A., Joy, A., Jigmeddorj, B., Jillings, C. J., Kamaev, O., Kaur, G., Kemp, A., Kochanek, I., Kuźniak, M., Lai, M., Langrock, S., Lehnert, B., Leonhardt, A., Levashko, N., Li, X., Lidgard, J., Lindner, T., Lissia, M., Lock, J., Longo, G., Machulin, I., McDonald, A. B., McElroy, T., McGinn, T., McLaughlin, J. B., Mehdiyev, R., Mielnichuk, C., Monroe, J., Nadeau, P., Nantais, C., Ng, C., Noble, A. J., O'Dwyer, E., Oliviéro, G., Ouellet, C., Pal, S., Pasuthip, P., Peeters, S. J. M., Perry, M., Pesudo, V., Picciau, E., Piro, M. -C., Pollmann, T. R., Rand, E. T., Rethmeier, C., Retière, F., Rodríguez-García, I., Roszkowski, L., Ruhland, J. B., Sánchez-García, E., Santorelli, R., Sinclair, D., Skensved, P., Smith, B., Smith, N. J. T., Sonley, T., Soukup, J., Stainforth, R., Stone, C., Strickland, V., Stringer, M., Sur, B., Tang, J., Vázquez-Jáuregui, E., Viel, S., Walding, J., Waqar, M., Ward, M., Westerdale, S., Willis, J., Zuñiga-Reyes, A.

Publikováno v: Eur. Phys. J. C 81, 823 (2021)

The DEAP-3600 detector searches for the scintillation signal from dark matter particles scattering on a 3.3 tonne liquid argon target. The largest background comes from $^{39}$Ar beta decays and is suppressed using pulseshape discrimination (PSD). We

Externí odkaz: http://arxiv.org/abs/2103.12202

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

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

Double-beta decays of $^{100}$Mo from the 6.0195-year exposure of a 6.914 kg high-purity sample were recorded by the NEMO-3 experiment that searched for neutrinoless double-beta decays. These ultra-rare transitions to $^{100}$Ru have a half-life of a

Externí odkaz: http://arxiv.org/abs/2011.07657

The liquid-argon scintillation pulseshape in DEAP-3600

Autor: The DEAP collaboration, Adhikari, P., Ajaj, R., Batygov, G. R. Araujoand M., Beltran, B., Bina, C. E., Boulay, M. G., Broerman, B., Bueno, J. F., Butcher, A., Cai, B., Cárdenas-Montes, M., Cavuoti, S., Chen, Y., Cleveland, B. T., Corning, J. M., Dering, S. J. Daughertyand K., Doria, L., Dunford, F. A. Duncan andM., Erlandson, A., Fatemighomi, N., Fiorillo, G., Flower, A., Ford, R. J., Gagnon, R., Gallacher, D., Garcés, E. A., Abia, P. García, Garg, S., Giampa, P., Goeldi, D., Golovko, V. V., Gorel, P., Graham, K., Grant, D. R., Grobov, A., Hallin, A. L., Hamstra, M., Harvey, P. J., Hearns, C., Ilyasov, A., Joy, A., Jillings, C. J., Kamaev, O., Kaur, G., Kemp, A., Kochanek, I., Kuźniak, M., Langrock, S., La Zia, F., Lehnert, B., Levashko, N., Li, X., Litvinov, O., Lock, J., Longo, G., Machulin, I., Majewski, P., McDonald, A. B., McElroy, T., McGinn, T., McLaughlin, J. B., Mehdiyev, R., Mielnichuk, C., Monroe, J., Nadeau, P., Nantais, C., Ng, C., Noble, A. J., Oliviéro, G., Ouellet, C., Pal, S., Pasuthip, P., Peeters, S. J. M., Pesudo, V., Piro, M. -C., Pollmann, T. R., Rand, E. T., Rethmeier, C., Retière, F., García, E. Sanchez, Sánchez-Pastor, T., Santorelli, R., Seeburn, N., Skensved, P., Smith, B., Smith, N. J. T., Sonley, T., Stainforth, R., Stone, C., Strickland, V., Sur, B., Vázquez-Jáuregui, E., Veloce, L., Viel, S., Walding, J., Waqar, M., Ward, M., Westerdale, S., Willis, J., Zuñiga-Reyes, A.

Publikováno v: Eur. Phys. J. C 80, 303 (2020)

DEAP-3600 is a liquid-argon scintillation detector looking for dark matter. Scintillation events in the liquid argon (LAr) are registered by 255 photomultiplier tubes (PMTs), and pulseshape discrimination (PSD) is used to suppress electromagnetic bac

Externí odkaz: http://arxiv.org/abs/2001.09855