Výsledky vyhledávání - "A. D. Mcdonald"

Akademický článek

Fluorescence imaging of individual ions and molecules in pressurized noble gases for barium tagging in 136Xe

Autor: N. K. Byrnes, E. Dey, F. W. Foss, B. J. P. Jones, R. Madigan, A. D. McDonald, R. L. Miller, L. R. Norman, K. E. Navarro, D. R. Nygren, NEXT Collaboration

Publikováno v: Nature Communications, Vol 15, Iss 1, Pp 1-13 (2024)

Abstract The imaging of individual Ba2+ ions in high pressure xenon gas is one possible way to attain background-free sensitivity to neutrinoless double beta decay and hence establish the Majorana nature of the neutrino. In this paper we demonstrate

Externí odkaz: https://doaj.org/article/bd4f5f2b72c94ed08de4b57ae029e2f2

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Akademický článek

Dielectric strength of noble and quenched gases for high pressure time projection chambers

Autor: L. Norman, K. Silva, B. J. P. Jones, A. D. McDonald, M. R. Tiscareno, K. Woodruff

Publikováno v: European Physical Journal C: Particles and Fields, Vol 82, Iss 1, Pp 1-12 (2022)

Abstract Dielectric breakdown strength is one of the critical performance metrics for pure gases and gas mixtures used in large, high pressure gas time projection chambers. In this paper we experimentally study dielectric breakdown strengths of sever

Externí odkaz: https://doaj.org/article/839d69542a6041479440e5caaa4ff1b7

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Akademický článek

Sensitivity of a tonne-scale NEXT detector for neutrinoless double-beta decay searches

Autor: The NEXT collaboration, C. Adams, V. Álvarez, L. Arazi, I. J. Arnquist, C. D. R Azevedo, K. Bailey, F. Ballester, J. M. Benlloch-Rodríguez, F. I. G. M. Borges, N. Byrnes, S. Cárcel, J. V. Carrión, S. Cebrián, E. Church, C. A. N. Conde, T. Contreras, A. A. Denisenko, G. Díaz, J. Díaz, J. Escada, R. Esteve, R. Felkai, L. M. P. Fernandes, P. Ferrario, A. L. Ferreira, F. Foss, E. D. C. Freitas, Z. Freixa, J. Generowicz, A. Goldschmidt, J. J. Gómez-Cadenas, R. González, D. González-Díaz, S. Gosh, R. Guenette, R. M. Gutiérrez, J. Haefner, K. Hafidi, J. Hauptman, C. A. O. Henriques, J. A. Hernando Morata, P. Herrero, V. Herrero, J. Ho, Y. Ifergan, B. J. P. Jones, M. Kekic, L. Labarga, A. Laing, P. Lebrun, N. López-March, M. Losada, R. D. P. Mano, J. Martín-Albo, A. Martínez, M. Martínez-Vara, G. Martínez-Lema, A. D. McDonald, Z. E. Meziani, F. Monrabal, C. M. B. Monteiro, F. J. Mora, J. Muñoz Vidal, C. Newhouse, P. Novella, D. R. Nygren, E. Oblak, B. Palmeiro, A. Para, J. Pérez, M. Querol, A. Redwine, J. Renner, L. Ripoll, I. Rivilla, Y. Rodríguez García, J. Rodríguez, C. Rogero, L. Rogers, B. Romeo, C. Romo-Luque, F. P. Santos, J. M. F. dos Santos, A. Simón, M. Sorel, C. Stanford, J. M. R. Teixeira, P. Thapa, J. F. Toledo, J. Torrent, A. Usón, J. F. C. A. Veloso, T. T. Vuong, R. Webb, R. Weiss-Babai, J. T. White, K. Woodruff, N. Yahlali

Publikováno v: Journal of High Energy Physics, Vol 2021, Iss 8, Pp 1-24 (2021)

Abstract The Neutrino Experiment with a Xenon TPC (NEXT) searches for the neutrinoless double-beta (0νββ) decay of 136Xe using high-pressure xenon gas TPCs with electroluminescent amplification. A scaled-up version of this technology with about 1

Externí odkaz: https://doaj.org/article/d4d3081c861543ae80db3db07598ce6d

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Akademický článek

Boosting background suppression in the NEXT experiment through Richardson-Lucy deconvolution

Autor: The NEXT collaboration, A. Simón, Y. Ifergan, A. B. Redwine, R. Weiss-Babai, L. Arazi, C. Adams, H. Almazán, V. Álvarez, B. Aparicio, A. I. Aranburu, I. J. Arnquist, C. D. R Azevedo, K. Bailey, F. Ballester, J. M. Benlloch-Rodríguez, F. I. G. M. Borges, N. Byrnes, S. Cárcel, J. V. Carrión, S. Cebrián, E. Church, C. A. N. Conde, T. Contreras, F. P. Cossío, A. A. Denisenko, G. Díaz, J. Díaz, J. Escada, R. Esteve, R. Felkai, L. M. P. Fernandes, P. Ferrario, A. L. Ferreira, F. Foss, E. D. C. Freitas, Z. Freixa, J. Generowicz, A. Goldschmidt, J. J. Gómez-Cadenas, R. González, D. González-Díaz, S. Gosh, R. Guenette, R. M. Gutiérrez, J. Haefner, K. Hafidi, J. Hauptman, C. A. O. Henriques, J. A. Hernando Morata, P. Herrero, V. Herrero, J. Ho, B. J. P. Jones, M. Kekic, L. Labarga, A. Laing, P. Lebrun, N. López-March, M. Losada, R. D. P. Mano, J. Martín-Albo, A. Martínez, M. Martínez-Vara, G. Martínez-Lema, A. D. McDonald, Z.-E. Meziani, F. Monrabal, C. M. B. Monteiro, F. J. Mora, J. Muñoz Vidal, C. Newhouse, P. Novella, D. R. Nygren, E. Oblak, M. Odriozola-Gimeno, B. Palmeiro, A. Para, J. Pérez, M. Querol, J. Renner, L. Ripoll, I. Rivilla, Y. Rodríguez García, J. Rodríguez, C. Rogero, L. Rogers, B. Romeo, C. Romo-Luque, F. P. Santos, J. M. F. dos Santos, M. Sorel, C. Stanford, J. M. R. Teixeira, P. Thapa, J. F. Toledo, J. Torrent, A. Usón, J. F. C. A. Veloso, T. T. Vuong, R. Webb, J. T. White, K. Woodruff, N. Yahlali

Publikováno v: Journal of High Energy Physics, Vol 2021, Iss 7, Pp 1-38 (2021)

Abstract Next-generation neutrinoless double beta decay experiments aim for half-life sensitivities of ∼ 1027 yr, requiring suppressing backgrounds to < 1 count/tonne/yr. For this, any extra background rejection handle, beyond excellent energy reso

Externí odkaz: https://doaj.org/article/a0e7bdf283c34fe29389fea50da0241c

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Akademický článek

Demonstration of background rejection using deep convolutional neural networks in the NEXT experiment

Autor: The NEXT collaboration, M. Kekic, C. Adams, K. Woodruff, J. Renner, E. Church, M. Del Tutto, J. A. Hernando Morata, J. J. Gómez-Cadenas, V. Álvarez, L. Arazi, I. J. Arnquist, C. D. R. Azevedo, K. Bailey, F. Ballester, J. M. Benlloch-Rodríguez, F. I. G. M. Borges, N. Byrnes, S. Cárcel, J. V. Carrión, S. Cebrián, C. A. N. Conde, T. Contreras, G. Díaz, J. Díaz, M. Diesburg, J. Escada, R. Esteve, R. Felkai, A. F. M. Fernandes, L. M. P. Fernandes, P. Ferrario, A. L. Ferreira, E. D. C. Freitas, J. Generowicz, S. Ghosh, A. Goldschmidt, D. González-Díaz, R. Guenette, R. M. Gutiérrez, J. Haefner, K. Hafidi, J. Hauptman, C. A. O. Henriques, P. Herrero, V. Herrero, Y. Ifergan, B. J. P. Jones, L. Labarga, A. Laing, P. Lebrun, N. López-March, M. Losada, R. D. P. Mano, J. Martín-Albo, A. Martínez, G. Martínez-Lema, M. Martínez-Vara, A. D. McDonald, Z.-E. Meziani, F. Monrabal, C. M. B. Monteiro, F. J. Mora, J. Muñoz Vidal, P. Novella, D. R. Nygren, B. Palmeiro, A. Para, J. Pérez, M. Querol, A. B. Redwine, L. Ripoll, Y. Rodríguez García, J. Rodríguez, L. Rogers, B. Romeo, C. Romo-Luque, F. P. Santos, J. M. F. dos Santos, A. Simón, C. Sofka, M. Sorel, T. Stiegler, J. F. Toledo, J. Torrent, A. Usón, J. F. C. A. Veloso, R. Webb, R. Weiss-Babai, J. T. White, N. Yahlali

Publikováno v: Journal of High Energy Physics, Vol 2021, Iss 1, Pp 1-22 (2021)

Abstract Convolutional neural networks (CNNs) are widely used state-of-the-art computer vision tools that are becoming increasingly popular in high-energy physics. In this paper, we attempt to understand the potential of CNNs for event classification

Externí odkaz: https://doaj.org/article/4a26af73701c4985a3782da446c27452

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Akademický článek

Low-diffusion Xe-He gas mixtures for rare-event detection: electroluminescence yield

Autor: The NEXT collaboration, A. F. M. Fernandes, C. A. O. Henriques, R. D. P. Mano, D. González-Díaz, C. D. R Azevedo, P. A. O. C. Silva, J. J. Gómez-Cadenas, E. D. C. Freitas, L. M. P. Fernandes, C. M. B. Monteiro, C. Adams, V. Álvarez, L. Arazi, I. J. Arnquist, K. Bailey, F. Ballester, J. M. Benlloch-Rodríguez, F. I. G. M. Borges, N. Byrnes, S. Cárcel, J. V. Carrión, S. Cebrián, E. Church, C. A. N. Conde, T. Contreras, G. Díaz, J. Díaz, M. Diesburg, J. Escada, R. Esteve, R. Felkai, P. Ferrario, A. L. Ferreira, J. Generowicz, S. Ghosh, A. Goldschmidt, R. Guenette, R. M. Gutiérrez, J. Haefner, K. Hafidi, J. Hauptman, J. A. Hernando Morata, P. Herrero, V. Herrero, Y. Ifergan, S. Johnston, B. J. P. Jones, M. Kekic, L. Labarga, A. Laing, P. Lebrun, N. López-March, M. Losada, J. Martín-Albo, A. Martínez, G. Martínez-Lema, A. D. McDonald, F. Monrabal, F. J. Mora, J. Muñoz Vidal, P. Novella, D. R. Nygren, B. Palmeiro, A. Para, J. Pérez, F. Psihas, M. Querol, J. Renner, J. Repond, S. Riordan, L. Ripoll, Y. Rodríguez García, J. Rodríguez, L. Rogers, B. Romeo, C. Romo-Luque, F. P. Santos, J. M. F. dos Santos, A. Simón, C. Sofka, M. Sorel, T. Stiegler, J. F. Toledo, J. Torrent, A. Usón, J. F. C. A. Veloso, R. Webb, R. Weiss-Babai, J. T. White, K. Woodruff, N. Yahlali

Publikováno v: Journal of High Energy Physics, Vol 2020, Iss 4, Pp 1-18 (2020)

Abstract High pressure xenon Time Projection Chambers (TPC) based on secondary scintillation (electroluminescence) signal amplification are being proposed for rare event detection such as directional dark matter, double electron capture and double be

Externí odkaz: https://doaj.org/article/3ae2750321094dc3a67e7a1caa41d58c

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Akademický článek

Barium Chemosensors with Dry-Phase Fluorescence for Neutrinoless Double Beta Decay

Autor: P. Thapa, I. Arnquist, N. Byrnes, A. A. Denisenko, F. W. Foss, B. J. P. Jones, A. D. McDonald, D. R. Nygren, K. Woodruff

Publikováno v: Scientific Reports, Vol 9, Iss 1, Pp 1-13 (2019)

Abstract The nature of the neutrino is one of the major open questions in experimental nuclear and particle physics. The most sensitive known method to establish the Majorana nature of the neutrino is detection of the ultra-rare process of neutrinole

Externí odkaz: https://doaj.org/article/ca7ed19dd77f402e8906a75103e701b7

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