Sensitivity of the NEXT experiment to Xe-124 double electron capture
Abstract Double electron capture by proton-rich nuclei is a second-order nuclear process analogous to double beta decay. Despite their similarities, the decay signature is quite different, potentially providing a new channel to measure the hypothesized neutrinoless mode of these decays. The Standard...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Martínez-Lema, G. [verfasserIn] Martínez-Vara, M. [verfasserIn] Sorel, M. [verfasserIn] Adams, C. [verfasserIn] Álvarez, V. [verfasserIn] Arazi, L. [verfasserIn] Arnquist, I. J. [verfasserIn] Azevedo, C. D. R [verfasserIn] Bailey, K. [verfasserIn] Ballester, F. [verfasserIn] Benlloch-Rodríguez, J. M. [verfasserIn] Borges, F. I. G. M. [verfasserIn] Byrnes, N. [verfasserIn] Cárcel, S. [verfasserIn] Carrión, J. V. [verfasserIn] Cebrián, S. [verfasserIn] Church, E. [verfasserIn] Conde, C. A. N. [verfasserIn] Contreras, T. [verfasserIn] Díaz, G. [verfasserIn] Díaz, J. [verfasserIn] Diesburg, M. [verfasserIn] Escada, J. [verfasserIn] Esteve, R. [verfasserIn] Felkai, R. [verfasserIn] Fernandes, A. F. M. [verfasserIn] Fernandes, L. M. P. [verfasserIn] Ferrario, P. [verfasserIn] Ferreira, A. L. [verfasserIn] Freitas, E. D. C. [verfasserIn] Generowicz, J. [verfasserIn] Ghosh, S. [verfasserIn] Goldschmidt, A. [verfasserIn] Gómez-Cadenas, J. J. [verfasserIn] González-Díaz, D. [verfasserIn] Guenette, R. [verfasserIn] Gutiérrez, R. M. [verfasserIn] Haefner, J. [verfasserIn] Hafidi, K. [verfasserIn] Hauptman, J. [verfasserIn] Henriques, C. A. O. [verfasserIn] Hernando Morata, J. A. [verfasserIn] Herrero, P. [verfasserIn] Herrero, V. [verfasserIn] Ifergan, Y. [verfasserIn] Johnston, S. [verfasserIn] Jones, B. J. P. [verfasserIn] Kekic, M. [verfasserIn] Labarga, L. [verfasserIn] Laing, A. [verfasserIn] Lebrun, P. [verfasserIn] López-March, N. [verfasserIn] Losada, M. [verfasserIn] Mano, R. D. P. [verfasserIn] Martín-Albo, J. [verfasserIn] Martínez, A. [verfasserIn] McDonald, A. D. [verfasserIn] Monrabal, F. [verfasserIn] Monteiro, C. M. B. [verfasserIn] Mora, F. J. [verfasserIn] Muñoz Vidal, J. [verfasserIn] Novella, P. [verfasserIn] Nygren, D. R. [verfasserIn] Palmeiro, B. [verfasserIn] Para, A. [verfasserIn] Pérez, J. [verfasserIn] Querol, M. [verfasserIn] Redwine, A. B. [verfasserIn] Renner, J. [verfasserIn] Repond, J. [verfasserIn] Riordan, S. [verfasserIn] Ripoll, L. [verfasserIn] Rodríguez García, Y. [verfasserIn] Rodríguez, J. [verfasserIn] Rogers, L. [verfasserIn] Romeo, B. [verfasserIn] Romo-Luque, C. [verfasserIn] Santos, F. P. [verfasserIn] dos Santos, J. M. F. [verfasserIn] Simón, A. [verfasserIn] Sofka, C. [verfasserIn] Stiegler, T. [verfasserIn] Toledo, J. F. [verfasserIn] Torrent, J. [verfasserIn] Usón, A. [verfasserIn] Veloso, J. F. C. A. [verfasserIn] Webb, R. [verfasserIn] Weiss-Babai, R. [verfasserIn] White, J. T. [verfasserIn] Woodruff, K. [verfasserIn] Yahlali, N. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021 |
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| Schlagwörter: |
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| Anmerkung: |
© The Author(s) 2021 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of high energy physics - Berlin : Springer, 1997, 2021(2021), 2 vom: 24. Feb. |
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| Übergeordnetes Werk: |
volume:2021 ; year:2021 ; number:2 ; day:24 ; month:02 |
| Links: |
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| DOI / URN: |
10.1007/JHEP02(2021)203 |
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| Katalog-ID: |
SPR043329950 |
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| 100 | 1 | |a Martínez-Lema, G. |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Sensitivity of the NEXT experiment to Xe-124 double electron capture |
| 264 | 1 | |c 2021 | |
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| 500 | |a © The Author(s) 2021 | ||
| 520 | |a Abstract Double electron capture by proton-rich nuclei is a second-order nuclear process analogous to double beta decay. Despite their similarities, the decay signature is quite different, potentially providing a new channel to measure the hypothesized neutrinoless mode of these decays. The Standard-Model-allowed two-neutrino double electron capture (2νEC EC) has been predicted for a number of isotopes, but only observed in 78Kr, 130Ba and, recently, 124Xe. The sensitivity to this decay establishes a benchmark for the ultimate experimental goal, namely the potential to discover also the lepton-number-violating neutrinoless version of this process, 0νEC EC. Here we report on the current sensitivity of the NEXT-White detector to 124Xe 2νEC EC and on the extrapolation to NEXT-100. Using simulated data for the 2νEC EC signal and real data from NEXT-White operated with 124Xe-depleted gas as background, we define an optimal event selection that maximizes the NEXT-White sensitivity. We estimate that, for NEXT-100 operated with xenon gas isotopically enriched with 1 kg of 124Xe and for a 5-year run, a sensitivity to the 2νEC EC half-life of 6 × $ 10^{22} $ y (at 90% confidence level) or better can be reached. | ||
| 650 | 4 | |a Dark Matter and Double Beta Decay (experiments) |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Martínez-Vara, M. |e verfasserin |4 aut | |
| 700 | 1 | |a Sorel, M. |e verfasserin |4 aut | |
| 700 | 1 | |a Adams, C. |e verfasserin |4 aut | |
| 700 | 1 | |a Álvarez, V. |e verfasserin |4 aut | |
| 700 | 1 | |a Arazi, L. |e verfasserin |4 aut | |
| 700 | 1 | |a Arnquist, I. J. |e verfasserin |4 aut | |
| 700 | 1 | |a Azevedo, C. D. R |e verfasserin |4 aut | |
| 700 | 1 | |a Bailey, K. |e verfasserin |4 aut | |
| 700 | 1 | |a Ballester, F. |e verfasserin |4 aut | |
| 700 | 1 | |a Benlloch-Rodríguez, J. M. |e verfasserin |4 aut | |
| 700 | 1 | |a Borges, F. I. G. M. |e verfasserin |4 aut | |
| 700 | 1 | |a Byrnes, N. |e verfasserin |4 aut | |
| 700 | 1 | |a Cárcel, S. |e verfasserin |4 aut | |
| 700 | 1 | |a Carrión, J. V. |e verfasserin |4 aut | |
| 700 | 1 | |a Cebrián, S. |e verfasserin |4 aut | |
| 700 | 1 | |a Church, E. |e verfasserin |4 aut | |
| 700 | 1 | |a Conde, C. A. N. |e verfasserin |4 aut | |
| 700 | 1 | |a Contreras, T. |e verfasserin |4 aut | |
| 700 | 1 | |a Díaz, G. |e verfasserin |4 aut | |
| 700 | 1 | |a Díaz, J. |e verfasserin |4 aut | |
| 700 | 1 | |a Diesburg, M. |e verfasserin |4 aut | |
| 700 | 1 | |a Escada, J. |e verfasserin |4 aut | |
| 700 | 1 | |a Esteve, R. |e verfasserin |4 aut | |
| 700 | 1 | |a Felkai, R. |e verfasserin |4 aut | |
| 700 | 1 | |a Fernandes, A. F. M. |e verfasserin |4 aut | |
| 700 | 1 | |a Fernandes, L. M. P. |e verfasserin |4 aut | |
| 700 | 1 | |a Ferrario, P. |e verfasserin |4 aut | |
| 700 | 1 | |a Ferreira, A. L. |e verfasserin |4 aut | |
| 700 | 1 | |a Freitas, E. D. C. |e verfasserin |4 aut | |
| 700 | 1 | |a Generowicz, J. |e verfasserin |4 aut | |
| 700 | 1 | |a Ghosh, S. |e verfasserin |4 aut | |
| 700 | 1 | |a Goldschmidt, A. |e verfasserin |4 aut | |
| 700 | 1 | |a Gómez-Cadenas, J. J. |e verfasserin |4 aut | |
| 700 | 1 | |a González-Díaz, D. |e verfasserin |4 aut | |
| 700 | 1 | |a Guenette, R. |e verfasserin |4 aut | |
| 700 | 1 | |a Gutiérrez, R. M. |e verfasserin |4 aut | |
| 700 | 1 | |a Haefner, J. |e verfasserin |4 aut | |
| 700 | 1 | |a Hafidi, K. |e verfasserin |4 aut | |
| 700 | 1 | |a Hauptman, J. |e verfasserin |4 aut | |
| 700 | 1 | |a Henriques, C. A. O. |e verfasserin |4 aut | |
| 700 | 1 | |a Hernando Morata, J. A. |e verfasserin |4 aut | |
| 700 | 1 | |a Herrero, P. |e verfasserin |4 aut | |
| 700 | 1 | |a Herrero, V. |e verfasserin |4 aut | |
| 700 | 1 | |a Ifergan, Y. |e verfasserin |4 aut | |
| 700 | 1 | |a Johnston, S. |e verfasserin |4 aut | |
| 700 | 1 | |a Jones, B. J. P. |e verfasserin |4 aut | |
| 700 | 1 | |a Kekic, M. |e verfasserin |4 aut | |
| 700 | 1 | |a Labarga, L. |e verfasserin |4 aut | |
| 700 | 1 | |a Laing, A. |e verfasserin |4 aut | |
| 700 | 1 | |a Lebrun, P. |e verfasserin |4 aut | |
| 700 | 1 | |a López-March, N. |e verfasserin |4 aut | |
| 700 | 1 | |a Losada, M. |e verfasserin |4 aut | |
| 700 | 1 | |a Mano, R. D. P. |e verfasserin |4 aut | |
| 700 | 1 | |a Martín-Albo, J. |e verfasserin |4 aut | |
| 700 | 1 | |a Martínez, A. |e verfasserin |4 aut | |
| 700 | 1 | |a McDonald, A. D. |e verfasserin |4 aut | |
| 700 | 1 | |a Monrabal, F. |e verfasserin |4 aut | |
| 700 | 1 | |a Monteiro, C. M. B. |e verfasserin |4 aut | |
| 700 | 1 | |a Mora, F. J. |e verfasserin |4 aut | |
| 700 | 1 | |a Muñoz Vidal, J. |e verfasserin |4 aut | |
| 700 | 1 | |a Novella, P. |e verfasserin |4 aut | |
| 700 | 1 | |a Nygren, D. R. |e verfasserin |4 aut | |
| 700 | 1 | |a Palmeiro, B. |e verfasserin |4 aut | |
| 700 | 1 | |a Para, A. |e verfasserin |4 aut | |
| 700 | 1 | |a Pérez, J. |e verfasserin |4 aut | |
| 700 | 1 | |a Querol, M. |e verfasserin |4 aut | |
| 700 | 1 | |a Redwine, A. B. |e verfasserin |4 aut | |
| 700 | 1 | |a Renner, J. |e verfasserin |4 aut | |
| 700 | 1 | |a Repond, J. |e verfasserin |4 aut | |
| 700 | 1 | |a Riordan, S. |e verfasserin |4 aut | |
| 700 | 1 | |a Ripoll, L. |e verfasserin |4 aut | |
| 700 | 1 | |a Rodríguez García, Y. |e verfasserin |4 aut | |
| 700 | 1 | |a Rodríguez, J. |e verfasserin |4 aut | |
| 700 | 1 | |a Rogers, L. |e verfasserin |4 aut | |
| 700 | 1 | |a Romeo, B. |e verfasserin |4 aut | |
| 700 | 1 | |a Romo-Luque, C. |e verfasserin |4 aut | |
| 700 | 1 | |a Santos, F. P. |e verfasserin |4 aut | |
| 700 | 1 | |a dos Santos, J. M. F. |e verfasserin |4 aut | |
| 700 | 1 | |a Simón, A. |e verfasserin |4 aut | |
| 700 | 1 | |a Sofka, C. |e verfasserin |4 aut | |
| 700 | 1 | |a Stiegler, T. |e verfasserin |4 aut | |
| 700 | 1 | |a Toledo, J. F. |e verfasserin |4 aut | |
| 700 | 1 | |a Torrent, J. |e verfasserin |4 aut | |
| 700 | 1 | |a Usón, A. |e verfasserin |4 aut | |
| 700 | 1 | |a Veloso, J. F. C. A. |e verfasserin |4 aut | |
| 700 | 1 | |a Webb, R. |e verfasserin |4 aut | |
| 700 | 1 | |a Weiss-Babai, R. |e verfasserin |4 aut | |
| 700 | 1 | |a White, J. T. |e verfasserin |4 aut | |
| 700 | 1 | |a Woodruff, K. |e verfasserin |4 aut | |
| 700 | 1 | |a Yahlali, N. |e verfasserin |4 aut | |
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10.1007/JHEP02(2021)203 doi (DE-627)SPR043329950 (DE-599)SPRJHEP02(2021)203-e (SPR)JHEP02(2021)203-e DE-627 ger DE-627 rakwb eng 530 ASE 33.46 bkl Martínez-Lema, G. verfasserin aut Sensitivity of the NEXT experiment to Xe-124 double electron capture 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2021 Abstract Double electron capture by proton-rich nuclei is a second-order nuclear process analogous to double beta decay. Despite their similarities, the decay signature is quite different, potentially providing a new channel to measure the hypothesized neutrinoless mode of these decays. The Standard-Model-allowed two-neutrino double electron capture (2νEC EC) has been predicted for a number of isotopes, but only observed in 78Kr, 130Ba and, recently, 124Xe. The sensitivity to this decay establishes a benchmark for the ultimate experimental goal, namely the potential to discover also the lepton-number-violating neutrinoless version of this process, 0νEC EC. Here we report on the current sensitivity of the NEXT-White detector to 124Xe 2νEC EC and on the extrapolation to NEXT-100. Using simulated data for the 2νEC EC signal and real data from NEXT-White operated with 124Xe-depleted gas as background, we define an optimal event selection that maximizes the NEXT-White sensitivity. We estimate that, for NEXT-100 operated with xenon gas isotopically enriched with 1 kg of 124Xe and for a 5-year run, a sensitivity to the 2νEC EC half-life of 6 × $ 10^{22} $ y (at 90% confidence level) or better can be reached. Dark Matter and Double Beta Decay (experiments) (dpeaa)DE-He213 Martínez-Vara, M. verfasserin aut Sorel, M. verfasserin aut Adams, C. verfasserin aut Álvarez, V. verfasserin aut Arazi, L. verfasserin aut Arnquist, I. J. verfasserin aut Azevedo, C. D. R verfasserin aut Bailey, K. verfasserin aut Ballester, F. verfasserin aut Benlloch-Rodríguez, J. M. verfasserin aut Borges, F. I. G. M. verfasserin aut Byrnes, N. verfasserin aut Cárcel, S. verfasserin aut Carrión, J. V. verfasserin aut Cebrián, S. verfasserin aut Church, E. verfasserin aut Conde, C. A. N. verfasserin aut Contreras, T. verfasserin aut Díaz, G. verfasserin aut Díaz, J. verfasserin aut Diesburg, M. verfasserin aut Escada, J. verfasserin aut Esteve, R. verfasserin aut Felkai, R. verfasserin aut Fernandes, A. F. M. verfasserin aut Fernandes, L. M. P. verfasserin aut Ferrario, P. verfasserin aut Ferreira, A. L. verfasserin aut Freitas, E. D. C. verfasserin aut Generowicz, J. verfasserin aut Ghosh, S. verfasserin aut Goldschmidt, A. verfasserin aut Gómez-Cadenas, J. J. verfasserin aut González-Díaz, D. verfasserin aut Guenette, R. verfasserin aut Gutiérrez, R. M. verfasserin aut Haefner, J. verfasserin aut Hafidi, K. verfasserin aut Hauptman, J. verfasserin aut Henriques, C. A. O. verfasserin aut Hernando Morata, J. A. verfasserin aut Herrero, P. verfasserin aut Herrero, V. verfasserin aut Ifergan, Y. verfasserin aut Johnston, S. verfasserin aut Jones, B. J. P. verfasserin aut Kekic, M. verfasserin aut Labarga, L. verfasserin aut Laing, A. verfasserin aut Lebrun, P. verfasserin aut López-March, N. verfasserin aut Losada, M. verfasserin aut Mano, R. D. P. verfasserin aut Martín-Albo, J. verfasserin aut Martínez, A. verfasserin aut McDonald, A. D. verfasserin aut Monrabal, F. verfasserin aut Monteiro, C. M. B. verfasserin aut Mora, F. J. verfasserin aut Muñoz Vidal, J. verfasserin aut Novella, P. verfasserin aut Nygren, D. R. verfasserin aut Palmeiro, B. verfasserin aut Para, A. verfasserin aut Pérez, J. verfasserin aut Querol, M. verfasserin aut Redwine, A. B. verfasserin aut Renner, J. verfasserin aut Repond, J. verfasserin aut Riordan, S. verfasserin aut Ripoll, L. verfasserin aut Rodríguez García, Y. verfasserin aut Rodríguez, J. verfasserin aut Rogers, L. verfasserin aut Romeo, B. verfasserin aut Romo-Luque, C. verfasserin aut Santos, F. P. verfasserin aut dos Santos, J. M. F. verfasserin aut Simón, A. verfasserin aut Sofka, C. verfasserin aut Stiegler, T. verfasserin aut Toledo, J. F. verfasserin aut Torrent, J. verfasserin aut Usón, A. verfasserin aut Veloso, J. F. C. A. verfasserin aut Webb, R. verfasserin aut Weiss-Babai, R. verfasserin aut White, J. T. verfasserin aut Woodruff, K. verfasserin aut Yahlali, N. verfasserin aut Enthalten in Journal of high energy physics Berlin : Springer, 1997 2021(2021), 2 vom: 24. Feb. (DE-627)320910571 (DE-600)2027350-2 1029-8479 nnns volume:2021 year:2021 number:2 day:24 month:02 https://dx.doi.org/10.1007/JHEP02(2021)203 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2020 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 33.46 ASE AR 2021 2021 2 24 02 |
| spelling |
10.1007/JHEP02(2021)203 doi (DE-627)SPR043329950 (DE-599)SPRJHEP02(2021)203-e (SPR)JHEP02(2021)203-e DE-627 ger DE-627 rakwb eng 530 ASE 33.46 bkl Martínez-Lema, G. verfasserin aut Sensitivity of the NEXT experiment to Xe-124 double electron capture 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2021 Abstract Double electron capture by proton-rich nuclei is a second-order nuclear process analogous to double beta decay. Despite their similarities, the decay signature is quite different, potentially providing a new channel to measure the hypothesized neutrinoless mode of these decays. The Standard-Model-allowed two-neutrino double electron capture (2νEC EC) has been predicted for a number of isotopes, but only observed in 78Kr, 130Ba and, recently, 124Xe. The sensitivity to this decay establishes a benchmark for the ultimate experimental goal, namely the potential to discover also the lepton-number-violating neutrinoless version of this process, 0νEC EC. Here we report on the current sensitivity of the NEXT-White detector to 124Xe 2νEC EC and on the extrapolation to NEXT-100. Using simulated data for the 2νEC EC signal and real data from NEXT-White operated with 124Xe-depleted gas as background, we define an optimal event selection that maximizes the NEXT-White sensitivity. We estimate that, for NEXT-100 operated with xenon gas isotopically enriched with 1 kg of 124Xe and for a 5-year run, a sensitivity to the 2νEC EC half-life of 6 × $ 10^{22} $ y (at 90% confidence level) or better can be reached. Dark Matter and Double Beta Decay (experiments) (dpeaa)DE-He213 Martínez-Vara, M. verfasserin aut Sorel, M. verfasserin aut Adams, C. verfasserin aut Álvarez, V. verfasserin aut Arazi, L. verfasserin aut Arnquist, I. J. verfasserin aut Azevedo, C. D. R verfasserin aut Bailey, K. verfasserin aut Ballester, F. verfasserin aut Benlloch-Rodríguez, J. M. verfasserin aut Borges, F. I. G. M. verfasserin aut Byrnes, N. verfasserin aut Cárcel, S. verfasserin aut Carrión, J. V. verfasserin aut Cebrián, S. verfasserin aut Church, E. verfasserin aut Conde, C. A. N. verfasserin aut Contreras, T. verfasserin aut Díaz, G. verfasserin aut Díaz, J. verfasserin aut Diesburg, M. verfasserin aut Escada, J. verfasserin aut Esteve, R. verfasserin aut Felkai, R. verfasserin aut Fernandes, A. F. M. verfasserin aut Fernandes, L. M. P. verfasserin aut Ferrario, P. verfasserin aut Ferreira, A. L. verfasserin aut Freitas, E. D. C. verfasserin aut Generowicz, J. verfasserin aut Ghosh, S. verfasserin aut Goldschmidt, A. verfasserin aut Gómez-Cadenas, J. J. verfasserin aut González-Díaz, D. verfasserin aut Guenette, R. verfasserin aut Gutiérrez, R. M. verfasserin aut Haefner, J. verfasserin aut Hafidi, K. verfasserin aut Hauptman, J. verfasserin aut Henriques, C. A. O. verfasserin aut Hernando Morata, J. A. verfasserin aut Herrero, P. verfasserin aut Herrero, V. verfasserin aut Ifergan, Y. verfasserin aut Johnston, S. verfasserin aut Jones, B. J. P. verfasserin aut Kekic, M. verfasserin aut Labarga, L. verfasserin aut Laing, A. verfasserin aut Lebrun, P. verfasserin aut López-March, N. verfasserin aut Losada, M. verfasserin aut Mano, R. D. P. verfasserin aut Martín-Albo, J. verfasserin aut Martínez, A. verfasserin aut McDonald, A. D. verfasserin aut Monrabal, F. verfasserin aut Monteiro, C. M. B. verfasserin aut Mora, F. J. verfasserin aut Muñoz Vidal, J. verfasserin aut Novella, P. verfasserin aut Nygren, D. R. verfasserin aut Palmeiro, B. verfasserin aut Para, A. verfasserin aut Pérez, J. verfasserin aut Querol, M. verfasserin aut Redwine, A. B. verfasserin aut Renner, J. verfasserin aut Repond, J. verfasserin aut Riordan, S. verfasserin aut Ripoll, L. verfasserin aut Rodríguez García, Y. verfasserin aut Rodríguez, J. verfasserin aut Rogers, L. verfasserin aut Romeo, B. verfasserin aut Romo-Luque, C. verfasserin aut Santos, F. P. verfasserin aut dos Santos, J. M. F. verfasserin aut Simón, A. verfasserin aut Sofka, C. verfasserin aut Stiegler, T. verfasserin aut Toledo, J. F. verfasserin aut Torrent, J. verfasserin aut Usón, A. verfasserin aut Veloso, J. F. C. A. verfasserin aut Webb, R. verfasserin aut Weiss-Babai, R. verfasserin aut White, J. T. verfasserin aut Woodruff, K. verfasserin aut Yahlali, N. verfasserin aut Enthalten in Journal of high energy physics Berlin : Springer, 1997 2021(2021), 2 vom: 24. Feb. (DE-627)320910571 (DE-600)2027350-2 1029-8479 nnns volume:2021 year:2021 number:2 day:24 month:02 https://dx.doi.org/10.1007/JHEP02(2021)203 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2020 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 33.46 ASE AR 2021 2021 2 24 02 |
| allfields_unstemmed |
10.1007/JHEP02(2021)203 doi (DE-627)SPR043329950 (DE-599)SPRJHEP02(2021)203-e (SPR)JHEP02(2021)203-e DE-627 ger DE-627 rakwb eng 530 ASE 33.46 bkl Martínez-Lema, G. verfasserin aut Sensitivity of the NEXT experiment to Xe-124 double electron capture 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2021 Abstract Double electron capture by proton-rich nuclei is a second-order nuclear process analogous to double beta decay. Despite their similarities, the decay signature is quite different, potentially providing a new channel to measure the hypothesized neutrinoless mode of these decays. The Standard-Model-allowed two-neutrino double electron capture (2νEC EC) has been predicted for a number of isotopes, but only observed in 78Kr, 130Ba and, recently, 124Xe. The sensitivity to this decay establishes a benchmark for the ultimate experimental goal, namely the potential to discover also the lepton-number-violating neutrinoless version of this process, 0νEC EC. Here we report on the current sensitivity of the NEXT-White detector to 124Xe 2νEC EC and on the extrapolation to NEXT-100. Using simulated data for the 2νEC EC signal and real data from NEXT-White operated with 124Xe-depleted gas as background, we define an optimal event selection that maximizes the NEXT-White sensitivity. We estimate that, for NEXT-100 operated with xenon gas isotopically enriched with 1 kg of 124Xe and for a 5-year run, a sensitivity to the 2νEC EC half-life of 6 × $ 10^{22} $ y (at 90% confidence level) or better can be reached. Dark Matter and Double Beta Decay (experiments) (dpeaa)DE-He213 Martínez-Vara, M. verfasserin aut Sorel, M. verfasserin aut Adams, C. verfasserin aut Álvarez, V. verfasserin aut Arazi, L. verfasserin aut Arnquist, I. J. verfasserin aut Azevedo, C. D. R verfasserin aut Bailey, K. verfasserin aut Ballester, F. verfasserin aut Benlloch-Rodríguez, J. M. verfasserin aut Borges, F. I. G. M. verfasserin aut Byrnes, N. verfasserin aut Cárcel, S. verfasserin aut Carrión, J. V. verfasserin aut Cebrián, S. verfasserin aut Church, E. verfasserin aut Conde, C. A. N. verfasserin aut Contreras, T. verfasserin aut Díaz, G. verfasserin aut Díaz, J. verfasserin aut Diesburg, M. verfasserin aut Escada, J. verfasserin aut Esteve, R. verfasserin aut Felkai, R. verfasserin aut Fernandes, A. F. M. verfasserin aut Fernandes, L. M. P. verfasserin aut Ferrario, P. verfasserin aut Ferreira, A. L. verfasserin aut Freitas, E. D. C. verfasserin aut Generowicz, J. verfasserin aut Ghosh, S. verfasserin aut Goldschmidt, A. verfasserin aut Gómez-Cadenas, J. J. verfasserin aut González-Díaz, D. verfasserin aut Guenette, R. verfasserin aut Gutiérrez, R. M. verfasserin aut Haefner, J. verfasserin aut Hafidi, K. verfasserin aut Hauptman, J. verfasserin aut Henriques, C. A. O. verfasserin aut Hernando Morata, J. A. verfasserin aut Herrero, P. verfasserin aut Herrero, V. verfasserin aut Ifergan, Y. verfasserin aut Johnston, S. verfasserin aut Jones, B. J. P. verfasserin aut Kekic, M. verfasserin aut Labarga, L. verfasserin aut Laing, A. verfasserin aut Lebrun, P. verfasserin aut López-March, N. verfasserin aut Losada, M. verfasserin aut Mano, R. D. P. verfasserin aut Martín-Albo, J. verfasserin aut Martínez, A. verfasserin aut McDonald, A. D. verfasserin aut Monrabal, F. verfasserin aut Monteiro, C. M. B. verfasserin aut Mora, F. J. verfasserin aut Muñoz Vidal, J. verfasserin aut Novella, P. verfasserin aut Nygren, D. R. verfasserin aut Palmeiro, B. verfasserin aut Para, A. verfasserin aut Pérez, J. verfasserin aut Querol, M. verfasserin aut Redwine, A. B. verfasserin aut Renner, J. verfasserin aut Repond, J. verfasserin aut Riordan, S. verfasserin aut Ripoll, L. verfasserin aut Rodríguez García, Y. verfasserin aut Rodríguez, J. verfasserin aut Rogers, L. verfasserin aut Romeo, B. verfasserin aut Romo-Luque, C. verfasserin aut Santos, F. P. verfasserin aut dos Santos, J. M. F. verfasserin aut Simón, A. verfasserin aut Sofka, C. verfasserin aut Stiegler, T. verfasserin aut Toledo, J. F. verfasserin aut Torrent, J. verfasserin aut Usón, A. verfasserin aut Veloso, J. F. C. A. verfasserin aut Webb, R. verfasserin aut Weiss-Babai, R. verfasserin aut White, J. T. verfasserin aut Woodruff, K. verfasserin aut Yahlali, N. verfasserin aut Enthalten in Journal of high energy physics Berlin : Springer, 1997 2021(2021), 2 vom: 24. Feb. (DE-627)320910571 (DE-600)2027350-2 1029-8479 nnns volume:2021 year:2021 number:2 day:24 month:02 https://dx.doi.org/10.1007/JHEP02(2021)203 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2020 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 33.46 ASE AR 2021 2021 2 24 02 |
| allfieldsGer |
10.1007/JHEP02(2021)203 doi (DE-627)SPR043329950 (DE-599)SPRJHEP02(2021)203-e (SPR)JHEP02(2021)203-e DE-627 ger DE-627 rakwb eng 530 ASE 33.46 bkl Martínez-Lema, G. verfasserin aut Sensitivity of the NEXT experiment to Xe-124 double electron capture 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2021 Abstract Double electron capture by proton-rich nuclei is a second-order nuclear process analogous to double beta decay. Despite their similarities, the decay signature is quite different, potentially providing a new channel to measure the hypothesized neutrinoless mode of these decays. The Standard-Model-allowed two-neutrino double electron capture (2νEC EC) has been predicted for a number of isotopes, but only observed in 78Kr, 130Ba and, recently, 124Xe. The sensitivity to this decay establishes a benchmark for the ultimate experimental goal, namely the potential to discover also the lepton-number-violating neutrinoless version of this process, 0νEC EC. Here we report on the current sensitivity of the NEXT-White detector to 124Xe 2νEC EC and on the extrapolation to NEXT-100. Using simulated data for the 2νEC EC signal and real data from NEXT-White operated with 124Xe-depleted gas as background, we define an optimal event selection that maximizes the NEXT-White sensitivity. We estimate that, for NEXT-100 operated with xenon gas isotopically enriched with 1 kg of 124Xe and for a 5-year run, a sensitivity to the 2νEC EC half-life of 6 × $ 10^{22} $ y (at 90% confidence level) or better can be reached. Dark Matter and Double Beta Decay (experiments) (dpeaa)DE-He213 Martínez-Vara, M. verfasserin aut Sorel, M. verfasserin aut Adams, C. verfasserin aut Álvarez, V. verfasserin aut Arazi, L. verfasserin aut Arnquist, I. J. verfasserin aut Azevedo, C. D. R verfasserin aut Bailey, K. verfasserin aut Ballester, F. verfasserin aut Benlloch-Rodríguez, J. M. verfasserin aut Borges, F. I. G. M. verfasserin aut Byrnes, N. verfasserin aut Cárcel, S. verfasserin aut Carrión, J. V. verfasserin aut Cebrián, S. verfasserin aut Church, E. verfasserin aut Conde, C. A. N. verfasserin aut Contreras, T. verfasserin aut Díaz, G. verfasserin aut Díaz, J. verfasserin aut Diesburg, M. verfasserin aut Escada, J. verfasserin aut Esteve, R. verfasserin aut Felkai, R. verfasserin aut Fernandes, A. F. M. verfasserin aut Fernandes, L. M. P. verfasserin aut Ferrario, P. verfasserin aut Ferreira, A. L. verfasserin aut Freitas, E. D. C. verfasserin aut Generowicz, J. verfasserin aut Ghosh, S. verfasserin aut Goldschmidt, A. verfasserin aut Gómez-Cadenas, J. J. verfasserin aut González-Díaz, D. verfasserin aut Guenette, R. verfasserin aut Gutiérrez, R. M. verfasserin aut Haefner, J. verfasserin aut Hafidi, K. verfasserin aut Hauptman, J. verfasserin aut Henriques, C. A. O. verfasserin aut Hernando Morata, J. A. verfasserin aut Herrero, P. verfasserin aut Herrero, V. verfasserin aut Ifergan, Y. verfasserin aut Johnston, S. verfasserin aut Jones, B. J. P. verfasserin aut Kekic, M. verfasserin aut Labarga, L. verfasserin aut Laing, A. verfasserin aut Lebrun, P. verfasserin aut López-March, N. verfasserin aut Losada, M. verfasserin aut Mano, R. D. P. verfasserin aut Martín-Albo, J. verfasserin aut Martínez, A. verfasserin aut McDonald, A. D. verfasserin aut Monrabal, F. verfasserin aut Monteiro, C. M. B. verfasserin aut Mora, F. J. verfasserin aut Muñoz Vidal, J. verfasserin aut Novella, P. verfasserin aut Nygren, D. R. verfasserin aut Palmeiro, B. verfasserin aut Para, A. verfasserin aut Pérez, J. verfasserin aut Querol, M. verfasserin aut Redwine, A. B. verfasserin aut Renner, J. verfasserin aut Repond, J. verfasserin aut Riordan, S. verfasserin aut Ripoll, L. verfasserin aut Rodríguez García, Y. verfasserin aut Rodríguez, J. verfasserin aut Rogers, L. verfasserin aut Romeo, B. verfasserin aut Romo-Luque, C. verfasserin aut Santos, F. P. verfasserin aut dos Santos, J. M. F. verfasserin aut Simón, A. verfasserin aut Sofka, C. verfasserin aut Stiegler, T. verfasserin aut Toledo, J. F. verfasserin aut Torrent, J. verfasserin aut Usón, A. verfasserin aut Veloso, J. F. C. A. verfasserin aut Webb, R. verfasserin aut Weiss-Babai, R. verfasserin aut White, J. T. verfasserin aut Woodruff, K. verfasserin aut Yahlali, N. verfasserin aut Enthalten in Journal of high energy physics Berlin : Springer, 1997 2021(2021), 2 vom: 24. Feb. (DE-627)320910571 (DE-600)2027350-2 1029-8479 nnns volume:2021 year:2021 number:2 day:24 month:02 https://dx.doi.org/10.1007/JHEP02(2021)203 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2020 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 33.46 ASE AR 2021 2021 2 24 02 |
| allfieldsSound |
10.1007/JHEP02(2021)203 doi (DE-627)SPR043329950 (DE-599)SPRJHEP02(2021)203-e (SPR)JHEP02(2021)203-e DE-627 ger DE-627 rakwb eng 530 ASE 33.46 bkl Martínez-Lema, G. verfasserin aut Sensitivity of the NEXT experiment to Xe-124 double electron capture 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2021 Abstract Double electron capture by proton-rich nuclei is a second-order nuclear process analogous to double beta decay. Despite their similarities, the decay signature is quite different, potentially providing a new channel to measure the hypothesized neutrinoless mode of these decays. The Standard-Model-allowed two-neutrino double electron capture (2νEC EC) has been predicted for a number of isotopes, but only observed in 78Kr, 130Ba and, recently, 124Xe. The sensitivity to this decay establishes a benchmark for the ultimate experimental goal, namely the potential to discover also the lepton-number-violating neutrinoless version of this process, 0νEC EC. Here we report on the current sensitivity of the NEXT-White detector to 124Xe 2νEC EC and on the extrapolation to NEXT-100. Using simulated data for the 2νEC EC signal and real data from NEXT-White operated with 124Xe-depleted gas as background, we define an optimal event selection that maximizes the NEXT-White sensitivity. We estimate that, for NEXT-100 operated with xenon gas isotopically enriched with 1 kg of 124Xe and for a 5-year run, a sensitivity to the 2νEC EC half-life of 6 × $ 10^{22} $ y (at 90% confidence level) or better can be reached. Dark Matter and Double Beta Decay (experiments) (dpeaa)DE-He213 Martínez-Vara, M. verfasserin aut Sorel, M. verfasserin aut Adams, C. verfasserin aut Álvarez, V. verfasserin aut Arazi, L. verfasserin aut Arnquist, I. J. verfasserin aut Azevedo, C. D. R verfasserin aut Bailey, K. verfasserin aut Ballester, F. verfasserin aut Benlloch-Rodríguez, J. M. verfasserin aut Borges, F. I. G. M. verfasserin aut Byrnes, N. verfasserin aut Cárcel, S. verfasserin aut Carrión, J. V. verfasserin aut Cebrián, S. verfasserin aut Church, E. verfasserin aut Conde, C. A. N. verfasserin aut Contreras, T. verfasserin aut Díaz, G. verfasserin aut Díaz, J. verfasserin aut Diesburg, M. verfasserin aut Escada, J. verfasserin aut Esteve, R. verfasserin aut Felkai, R. verfasserin aut Fernandes, A. F. M. verfasserin aut Fernandes, L. M. P. verfasserin aut Ferrario, P. verfasserin aut Ferreira, A. L. verfasserin aut Freitas, E. D. C. verfasserin aut Generowicz, J. verfasserin aut Ghosh, S. verfasserin aut Goldschmidt, A. verfasserin aut Gómez-Cadenas, J. J. verfasserin aut González-Díaz, D. verfasserin aut Guenette, R. verfasserin aut Gutiérrez, R. M. verfasserin aut Haefner, J. verfasserin aut Hafidi, K. verfasserin aut Hauptman, J. verfasserin aut Henriques, C. A. O. verfasserin aut Hernando Morata, J. A. verfasserin aut Herrero, P. verfasserin aut Herrero, V. verfasserin aut Ifergan, Y. verfasserin aut Johnston, S. verfasserin aut Jones, B. J. P. verfasserin aut Kekic, M. verfasserin aut Labarga, L. verfasserin aut Laing, A. verfasserin aut Lebrun, P. verfasserin aut López-March, N. verfasserin aut Losada, M. verfasserin aut Mano, R. D. P. verfasserin aut Martín-Albo, J. verfasserin aut Martínez, A. verfasserin aut McDonald, A. D. verfasserin aut Monrabal, F. verfasserin aut Monteiro, C. M. B. verfasserin aut Mora, F. J. verfasserin aut Muñoz Vidal, J. verfasserin aut Novella, P. verfasserin aut Nygren, D. R. verfasserin aut Palmeiro, B. verfasserin aut Para, A. verfasserin aut Pérez, J. verfasserin aut Querol, M. verfasserin aut Redwine, A. B. verfasserin aut Renner, J. verfasserin aut Repond, J. verfasserin aut Riordan, S. verfasserin aut Ripoll, L. verfasserin aut Rodríguez García, Y. verfasserin aut Rodríguez, J. verfasserin aut Rogers, L. verfasserin aut Romeo, B. verfasserin aut Romo-Luque, C. verfasserin aut Santos, F. P. verfasserin aut dos Santos, J. M. F. verfasserin aut Simón, A. verfasserin aut Sofka, C. verfasserin aut Stiegler, T. verfasserin aut Toledo, J. F. verfasserin aut Torrent, J. verfasserin aut Usón, A. verfasserin aut Veloso, J. F. C. A. verfasserin aut Webb, R. verfasserin aut Weiss-Babai, R. verfasserin aut White, J. T. verfasserin aut Woodruff, K. verfasserin aut Yahlali, N. verfasserin aut Enthalten in Journal of high energy physics Berlin : Springer, 1997 2021(2021), 2 vom: 24. Feb. (DE-627)320910571 (DE-600)2027350-2 1029-8479 nnns volume:2021 year:2021 number:2 day:24 month:02 https://dx.doi.org/10.1007/JHEP02(2021)203 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2020 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 33.46 ASE AR 2021 2021 2 24 02 |
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Enthalten in Journal of high energy physics 2021(2021), 2 vom: 24. Feb. volume:2021 year:2021 number:2 day:24 month:02 |
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Martínez-Lema, G. @@aut@@ Martínez-Vara, M. @@aut@@ Sorel, M. @@aut@@ Adams, C. @@aut@@ Álvarez, V. @@aut@@ Arazi, L. @@aut@@ Arnquist, I. J. @@aut@@ Azevedo, C. D. R @@aut@@ Bailey, K. @@aut@@ Ballester, F. @@aut@@ Benlloch-Rodríguez, J. M. @@aut@@ Borges, F. I. G. M. @@aut@@ Byrnes, N. @@aut@@ Cárcel, S. @@aut@@ Carrión, J. V. @@aut@@ Cebrián, S. @@aut@@ Church, E. @@aut@@ Conde, C. A. N. @@aut@@ Contreras, T. @@aut@@ Díaz, G. @@aut@@ Díaz, J. @@aut@@ Diesburg, M. @@aut@@ Escada, J. @@aut@@ Esteve, R. @@aut@@ Felkai, R. @@aut@@ Fernandes, A. F. M. @@aut@@ Fernandes, L. M. P. @@aut@@ Ferrario, P. @@aut@@ Ferreira, A. L. @@aut@@ Freitas, E. D. C. @@aut@@ Generowicz, J. @@aut@@ Ghosh, S. @@aut@@ Goldschmidt, A. @@aut@@ Gómez-Cadenas, J. J. @@aut@@ González-Díaz, D. @@aut@@ Guenette, R. @@aut@@ Gutiérrez, R. M. @@aut@@ Haefner, J. @@aut@@ Hafidi, K. @@aut@@ Hauptman, J. @@aut@@ Henriques, C. A. O. @@aut@@ Hernando Morata, J. A. @@aut@@ Herrero, P. @@aut@@ Herrero, V. @@aut@@ Ifergan, Y. @@aut@@ Johnston, S. @@aut@@ Jones, B. J. P. @@aut@@ Kekic, M. @@aut@@ Labarga, L. @@aut@@ Laing, A. @@aut@@ Lebrun, P. @@aut@@ López-March, N. @@aut@@ Losada, M. @@aut@@ Mano, R. D. P. @@aut@@ Martín-Albo, J. @@aut@@ Martínez, A. @@aut@@ McDonald, A. D. @@aut@@ Monrabal, F. @@aut@@ Monteiro, C. M. B. @@aut@@ Mora, F. J. @@aut@@ Muñoz Vidal, J. @@aut@@ Novella, P. @@aut@@ Nygren, D. R. @@aut@@ Palmeiro, B. @@aut@@ Para, A. @@aut@@ Pérez, J. @@aut@@ Querol, M. @@aut@@ Redwine, A. B. @@aut@@ Renner, J. @@aut@@ Repond, J. @@aut@@ Riordan, S. @@aut@@ Ripoll, L. @@aut@@ Rodríguez García, Y. @@aut@@ Rodríguez, J. @@aut@@ Rogers, L. @@aut@@ Romeo, B. @@aut@@ Romo-Luque, C. @@aut@@ Santos, F. P. @@aut@@ dos Santos, J. M. F. @@aut@@ Simón, A. @@aut@@ Sofka, C. @@aut@@ Stiegler, T. @@aut@@ Toledo, J. F. @@aut@@ Torrent, J. @@aut@@ Usón, A. @@aut@@ Veloso, J. F. C. A. @@aut@@ Webb, R. @@aut@@ Weiss-Babai, R. @@aut@@ White, J. T. @@aut@@ Woodruff, K. @@aut@@ Yahlali, N. @@aut@@ |
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Despite their similarities, the decay signature is quite different, potentially providing a new channel to measure the hypothesized neutrinoless mode of these decays. The Standard-Model-allowed two-neutrino double electron capture (2νEC EC) has been predicted for a number of isotopes, but only observed in 78Kr, 130Ba and, recently, 124Xe. The sensitivity to this decay establishes a benchmark for the ultimate experimental goal, namely the potential to discover also the lepton-number-violating neutrinoless version of this process, 0νEC EC. Here we report on the current sensitivity of the NEXT-White detector to 124Xe 2νEC EC and on the extrapolation to NEXT-100. Using simulated data for the 2νEC EC signal and real data from NEXT-White operated with 124Xe-depleted gas as background, we define an optimal event selection that maximizes the NEXT-White sensitivity. 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Martínez-Lema, G. |
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Martínez-Lema, G. Martínez-Vara, M. Sorel, M. Adams, C. Álvarez, V. Arazi, L. Arnquist, I. J. Azevedo, C. D. R Bailey, K. Ballester, F. Benlloch-Rodríguez, J. M. Borges, F. I. G. M. Byrnes, N. Cárcel, S. Carrión, J. V. Cebrián, S. Church, E. Conde, C. A. N. Contreras, T. Díaz, G. Díaz, J. Diesburg, M. Escada, J. Esteve, R. Felkai, R. Fernandes, A. F. M. Fernandes, L. M. P. Ferrario, P. Ferreira, A. L. Freitas, E. D. C. Generowicz, J. Ghosh, S. Goldschmidt, A. Gómez-Cadenas, J. J. González-Díaz, D. Guenette, R. Gutiérrez, R. M. Haefner, J. Hafidi, K. Hauptman, J. Henriques, C. A. O. Hernando Morata, J. A. Herrero, P. Herrero, V. Ifergan, Y. Johnston, S. Jones, B. J. P. Kekic, M. Labarga, L. Laing, A. Lebrun, P. López-March, N. Losada, M. Mano, R. D. P. Martín-Albo, J. Martínez, A. McDonald, A. D. Monrabal, F. Monteiro, C. M. B. Mora, F. J. Muñoz Vidal, J. Novella, P. Nygren, D. R. Palmeiro, B. Para, A. Pérez, J. Querol, M. Redwine, A. B. Renner, J. Repond, J. Riordan, S. Ripoll, L. Rodríguez García, Y. Rodríguez, J. Rogers, L. Romeo, B. Romo-Luque, C. Santos, F. P. dos Santos, J. M. F. Simón, A. Sofka, C. Stiegler, T. Toledo, J. F. Torrent, J. Usón, A. Veloso, J. F. C. A. Webb, R. Weiss-Babai, R. White, J. T. Woodruff, K. Yahlali, N. |
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sensitivity of the next experiment to xe-124 double electron capture |
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Sensitivity of the NEXT experiment to Xe-124 double electron capture |
| abstract |
Abstract Double electron capture by proton-rich nuclei is a second-order nuclear process analogous to double beta decay. Despite their similarities, the decay signature is quite different, potentially providing a new channel to measure the hypothesized neutrinoless mode of these decays. The Standard-Model-allowed two-neutrino double electron capture (2νEC EC) has been predicted for a number of isotopes, but only observed in 78Kr, 130Ba and, recently, 124Xe. The sensitivity to this decay establishes a benchmark for the ultimate experimental goal, namely the potential to discover also the lepton-number-violating neutrinoless version of this process, 0νEC EC. Here we report on the current sensitivity of the NEXT-White detector to 124Xe 2νEC EC and on the extrapolation to NEXT-100. Using simulated data for the 2νEC EC signal and real data from NEXT-White operated with 124Xe-depleted gas as background, we define an optimal event selection that maximizes the NEXT-White sensitivity. We estimate that, for NEXT-100 operated with xenon gas isotopically enriched with 1 kg of 124Xe and for a 5-year run, a sensitivity to the 2νEC EC half-life of 6 × $ 10^{22} $ y (at 90% confidence level) or better can be reached. © The Author(s) 2021 |
| abstractGer |
Abstract Double electron capture by proton-rich nuclei is a second-order nuclear process analogous to double beta decay. Despite their similarities, the decay signature is quite different, potentially providing a new channel to measure the hypothesized neutrinoless mode of these decays. The Standard-Model-allowed two-neutrino double electron capture (2νEC EC) has been predicted for a number of isotopes, but only observed in 78Kr, 130Ba and, recently, 124Xe. The sensitivity to this decay establishes a benchmark for the ultimate experimental goal, namely the potential to discover also the lepton-number-violating neutrinoless version of this process, 0νEC EC. Here we report on the current sensitivity of the NEXT-White detector to 124Xe 2νEC EC and on the extrapolation to NEXT-100. Using simulated data for the 2νEC EC signal and real data from NEXT-White operated with 124Xe-depleted gas as background, we define an optimal event selection that maximizes the NEXT-White sensitivity. We estimate that, for NEXT-100 operated with xenon gas isotopically enriched with 1 kg of 124Xe and for a 5-year run, a sensitivity to the 2νEC EC half-life of 6 × $ 10^{22} $ y (at 90% confidence level) or better can be reached. © The Author(s) 2021 |
| abstract_unstemmed |
Abstract Double electron capture by proton-rich nuclei is a second-order nuclear process analogous to double beta decay. Despite their similarities, the decay signature is quite different, potentially providing a new channel to measure the hypothesized neutrinoless mode of these decays. The Standard-Model-allowed two-neutrino double electron capture (2νEC EC) has been predicted for a number of isotopes, but only observed in 78Kr, 130Ba and, recently, 124Xe. The sensitivity to this decay establishes a benchmark for the ultimate experimental goal, namely the potential to discover also the lepton-number-violating neutrinoless version of this process, 0νEC EC. Here we report on the current sensitivity of the NEXT-White detector to 124Xe 2νEC EC and on the extrapolation to NEXT-100. Using simulated data for the 2νEC EC signal and real data from NEXT-White operated with 124Xe-depleted gas as background, we define an optimal event selection that maximizes the NEXT-White sensitivity. We estimate that, for NEXT-100 operated with xenon gas isotopically enriched with 1 kg of 124Xe and for a 5-year run, a sensitivity to the 2νEC EC half-life of 6 × $ 10^{22} $ y (at 90% confidence level) or better can be reached. © The Author(s) 2021 |
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Martínez-Vara, M. Sorel, M. Adams, C. Álvarez, V. Arazi, L. Arnquist, I. J. Azevedo, C. D. R Bailey, K. Ballester, F. Benlloch-Rodríguez, J. M. Borges, F. I. G. M. Byrnes, N. Cárcel, S. Carrión, J. V. Cebrián, S. Church, E. Conde, C. A. N. Contreras, T. Díaz, G. Díaz, J. Diesburg, M. Escada, J. Esteve, R. Felkai, R. Fernandes, A. F. M. Fernandes, L. M. P. Ferrario, P. Ferreira, A. L. Freitas, E. D. C. Generowicz, J. Ghosh, S. Goldschmidt, A. Gómez-Cadenas, J. J. González-Díaz, D. Guenette, R. Gutiérrez, R. M. Haefner, J. Hafidi, K. Hauptman, J. Henriques, C. A. O. Hernando Morata, J. A. Herrero, P. Herrero, V. Ifergan, Y. Johnston, S. Jones, B. J. P. Kekic, M. Labarga, L. Laing, A. Lebrun, P. López-March, N. Losada, M. Mano, R. D. P. Martín-Albo, J. Martínez, A. McDonald, A. D. Monrabal, F. Monteiro, C. M. B. Mora, F. J. Muñoz Vidal, J. Novella, P. Nygren, D. R. Palmeiro, B. Para, A. Pérez, J. Querol, M. Redwine, A. B. Renner, J. Repond, J. Riordan, S. Ripoll, L. Rodríguez García, Y. Rodríguez, J. Rogers, L. Romeo, B. Romo-Luque, C. Santos, F. P. dos Santos, J. M. F. Simón, A. Sofka, C. Stiegler, T. Toledo, J. F. Torrent, J. Usón, A. Veloso, J. F. C. A. Webb, R. Weiss-Babai, R. White, J. T. Woodruff, K. Yahlali, N. |
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| doi_str |
10.1007/JHEP02(2021)203 |
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2024-07-03T17:58:53.539Z |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">SPR043329950</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20220111183315.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">210226s2021 xx |||||o 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/JHEP02(2021)203</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)SPR043329950</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)SPRJHEP02(2021)203-e</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SPR)JHEP02(2021)203-e</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">530</subfield><subfield code="q">ASE</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">33.46</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Martínez-Lema, G.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Sensitivity of the NEXT experiment to Xe-124 double electron capture</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2021</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">© The Author(s) 2021</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract Double electron capture by proton-rich nuclei is a second-order nuclear process analogous to double beta decay. Despite their similarities, the decay signature is quite different, potentially providing a new channel to measure the hypothesized neutrinoless mode of these decays. The Standard-Model-allowed two-neutrino double electron capture (2νEC EC) has been predicted for a number of isotopes, but only observed in 78Kr, 130Ba and, recently, 124Xe. The sensitivity to this decay establishes a benchmark for the ultimate experimental goal, namely the potential to discover also the lepton-number-violating neutrinoless version of this process, 0νEC EC. Here we report on the current sensitivity of the NEXT-White detector to 124Xe 2νEC EC and on the extrapolation to NEXT-100. Using simulated data for the 2νEC EC signal and real data from NEXT-White operated with 124Xe-depleted gas as background, we define an optimal event selection that maximizes the NEXT-White sensitivity. We estimate that, for NEXT-100 operated with xenon gas isotopically enriched with 1 kg of 124Xe and for a 5-year run, a sensitivity to the 2νEC EC half-life of 6 × $ 10^{22} $ y (at 90% confidence level) or better can be reached.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Dark Matter and Double Beta Decay (experiments)</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Martínez-Vara, M.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Sorel, M.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Adams, C.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Álvarez, V.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Arazi, L.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Arnquist, I. J.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Azevedo, C. D. R</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Bailey, K.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Ballester, F.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Benlloch-Rodríguez, J. M.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Borges, F. I. G. 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B.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Renner, J.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Repond, J.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Riordan, S.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Ripoll, L.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Rodríguez García, Y.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Rodríguez, J.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Rogers, L.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Romeo, B.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Romo-Luque, C.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Santos, F. P.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">dos Santos, J. M. F.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Simón, A.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Sofka, C.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Stiegler, T.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Toledo, J. F.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Torrent, J.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Usón, A.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Veloso, J. F. C. 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