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> Measurement of the Xe 136 two-neutrino double- ß -decay half-life via direct background subtraction in NEXT
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Measurement of the Xe 136 two-neutrino double- ß -decay half-life via direct background subtraction in NEXT
Novella, P.
;
Sorel, M.
;
Usón, A.
;
Adams, C.
;
Almazán, H.
;
Álvarez, V.
;
Aparicio, B.
;
Aranburu, A. I.
;
Arazi, L.
;
Arnquist, I. J.
;
Ayet, S.
;
Azevedo, C. D. R.
;
Bailey, K.
;
Ballester, F.
;
Benlloch-Rodríguez, J. M.
;
Borges, F. I. G. M.
;
Bounasser, S.
;
Byrnes, N.
;
Cárcel, S.
;
Carrión, J. V.
;
Cebrián, S.
(Universidad de Zaragoza)
;
Church, E.
;
Conde, C. A. N.
;
Contreras, T.
;
Cossío, F. P.
;
Denisenko, A. A.
;
Díaz, G.
;
Díaz, J.
;
Dickel, T.
;
Escada, J.
;
Esteve, R.
;
Fahs, A.
;
Felkai, R.
;
Fernandes, L. M. P.
;
Ferrario, P.
;
Ferreira, A. L.
;
Foss, F. W.
;
Freitas, E. D. C.
;
Freixa, Z.
;
Generowicz, J.
;
Goldschmidt, A.
;
Gómez-Cadenas, J. J.
;
González, R.
;
González-Díaz, D.
;
Guenette, R.
;
Gutiérrez, R. M.
;
Haefner, J.
;
Hafidi, K.
;
Hauptman, J.
;
Henriques, C. A. O.
;
Hernando Morata, J. A.
;
Herrero-Gómez, P.
;
Herrero, V.
;
Ho, J.
;
Ifergan, Y.
;
Jones, B. J. P.
;
Kekic, M.
;
Labarga, L.
;
Laing, A.
;
Larizgoitia, L.
;
Lebrun, P.
;
López Gutiérrez, D.
;
López-March, N.
;
Losada, M.
;
Mano, R. D. P.
;
Martín-Albo, J.
;
Martínez, A.
;
Martínez-Lema, G.
;
Martínez-Vara, M.
;
McDonald, A. D.
;
Meziani, Z. E.
;
Mistry, K.
;
Monrabal, F.
;
Monteiro, C. M. 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.
;
Rogero, C.
;
Rogers, L.
;
Romeo, B.
;
Romo-Luque, C.
;
Santos, F. P.
;
Dos Santos, J. M. F.
;
Simón, A.
;
Stanford, C.
;
Teixeira, J. M. R.
;
Thapa, P.
;
Toledo, J. F.
;
Torrent, J.
;
Veloso, J. F. C. A.
;
Vuong, T. T.
;
Webb, R.
;
White, J. T.
;
Woodruff, K.
;
Yahlali, N.
;
Collaboration, NEXT
Resumen:
We report a measurement of the half-life of the Xe136 two-neutrino double-ß decay performed with a novel direct-background-subtraction technique. The analysis relies on the data collected with the NEXT-White detector operated with Xe136-enriched and Xe136-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-ß-decay searches. © 2022 American Physical Society.
Idioma:
Inglés
DOI:
10.1103/PhysRevC.105.055501
Año:
2022
Publicado en:
Physical Review C
105, 5 (2022), 055501 [8 pp.]
ISSN:
2469-9985
Factor impacto JCR:
3.1 (2022)
Categ. JCR:
PHYSICS, NUCLEAR
rank: 7 / 19 = 0.368
(2022)
- Q2
- T2
Factor impacto CITESCORE:
5.7 -
Physics and Astronomy
(Q1)
Factor impacto SCIMAGO:
1.305 -
Nuclear and High Energy Physics
(Q1)
Tipo y forma:
Article (Published version)
Área (Departamento):
Área Física Atóm.Molec.y Nucl.
(
Dpto. Física Teórica
)
You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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