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  • Measurement of the 136Xe tw...
    Novella, P.; Usón, A.; Almazán, H.; Álvarez, V.; Aparicio, B.; Aranburu, A. I.; Arazi, L.; Arnquist, I. J.; Ayet, S.; Azevedo, C. R.; Bailey, K.; Ballester, F.; Benlloch-Rodríguez, J. M.; Borges, F. M.; Bounasser, S.; Byrnes, N.; Cárcel, S.; Carrión, J. V.; Church, E.; Conde, C. N.; Contreras, T.; Cossío, F. P.; Denisenko, A. A.; Díaz, G.; Díaz, J.; Dickel, T.; Escada, J.; Esteve, R.; Felkai, R.; Fernandes, L. P.; Ferrario, P.; Ferreira, A. L.; Foss, F. W.; Freitas, E. C.; Freixa, Z.; Generowicz, J.; Goldschmidt, A.; Gómez-Cadenas, J. J.; González, R.; González-Díaz, D.; Guenette, R.; Haefner, J.; Hafidi, K.; Hauptman, J.; Henriques, C. O.; Hernando Morata, J. A.; Herrero, V.; Ho, J.; Ifergan, Y.; Kekic, M.; Labarga, L.; Laing, A.; Larizgoitia, L.; Lebrun, P.; Lopez Gutierrez, D.; López-March, N.; Losada, M.; Mano, R. P.; Martín-Albo, J.; Martínez, A.; Martínez-Lema, G.; Martínez-Vara, M.; McDonald, A. D.; Meziani, Z. E.; Monrabal, F.; Monteiro, C. B.; Mora, F. J.; Muñoz Vidal, J.; Navarro, K.; Nygren, D. R.; Oblak, E.; Odriozola-Gimeno, M.; Palmeiro, B.; Para, A.; Pérez, J.; Querol, M.; Raymond, A.; Redwine, A. B.; Renner, J.; Ripoll, L.; Rivilla, I.; Rodríguez García, Y.; Rodríguez, J.; Rogers, L.; Romeo, B.; Romo-Luque, C.; Santos, F. P.; dos Santos, J. F.; Simón, A.; Stanford, C.; Teixeira, J. R.; Thapa, P.; Toledo, J. F.; Torrent, J.; Veloso, J. A.; Vuong, T. T.; Webb, R.; White, J. T.; Woodruff, K.; Yahlali, N.

    Physical review. C, 05/2022, Letnik: 105, Številka: 5
    Journal Article

    We report a measurement of the half-life of the 136Xe two-neutrino double-β decay performed with a novel direct-background-subtraction technique. The analysis relies on the data collected with the NEXT-White detector operated with 136Xe-enriched and 136Xe-depleted xenon, as well as on the topology of double-electron tracks. With a fiducial mass of only 3.5 kg of Xe, a half-life of 2.34$_{-0.46}^{+0.80}$(stat)$_{-0.17}^{+0.30}$(sys)×1021yr is derived from the background-subtracted energy spectrum. The presented technique demonstrates the feasibility of unique background-model-independent neutrinoless double-β-decay searches.