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| Título: | Measurement of the 136Xe two-neutrino double- β -decay half-life via direct background subtraction in NEXT |
Autor: | Novella, Pau CSIC ORCID; Sorel, Michel CSIC ORCID; Usón, A.; Álvarez Puerta, Vicente CSIC; Ballester, F.; Cárcel, Sara CSIC; Carrión, J. V.; Díaz, J.; Esteve, Raúl CSIC ORCID; Herrero-Gómez, P. CSIC ORCID; Herrero Bosch, Vicente CSIC ORCID; López-March, Neus CSIC; Martínez, Alejandro; Martínez-Vara, M.; Mora, F. J.; Muñoz Vidal, J.; Palmeiro, B.; Querol, M.; Rodríguez, J.; Rogero, Celia CSIC ORCID; Romo-Luque, Carmen; Toledo, J. F. CSIC ORCID; Yahlali, Nadia CSIC ORCID | Fecha de publicación: | 2022 | Editor: | American Physical Society | Citación: | Physical Review C 105(5): 055501 (2022) | Resumen: | 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+0.80−0.46(stat)+0.30−0.17(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. | Descripción: | NEXT Collaboration: et al. | Versión del editor: | https://doi.org/10.1103/PhysRevC.105.055501 | URI: | http://hdl.handle.net/10261/284585 | DOI: | 10.1103/PhysRevC.105.055501 | E-ISSN: | 2469-9993 |
| Aparece en las colecciones: | (CFM) Artículos (I3M) Artículos (IFIC) Artículos |
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| Fichero | Descripción | Tamaño | Formato | |
|---|---|---|---|---|
| measurenext.pdf | 1,87 MB | Adobe PDF |  Visualizar/Abrir |
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