Sensitivity of NEXT-100 to neutrinoless double beta decay

The, NEXT collaboration ; Martín-Albo, J. ; Muñoz Vidal, J. ; Ferrario, P. ; Nebot-Guinot, M. ; Gómez-Cadenas, J.J. ; Álvarez, V. ; Azevedo, C.D.R. ; Borges, F.I.G. ; Cárcel, S. ; Carrión, J.V. ; Cebrián, S. (Universidad de Zaragoza) ; Cervera, A. ; Conde, C.A.N. ; Díaz, J. ; Diesburg, M. ; Esteve, R. ; Fernandes, L.M.P. ; Ferreira, A.L. ; Freitas, E.D.C. ; Goldschmidt, A. ; González-Díaz, D. ; Gutiérrez, R.M. ; Hauptman, J. ; Henriques, C.A.O. ; Hernando Morata, J.A. ; Herrero, V. ; Labarga, L. ; Laing, A. ; Lebrun, P. ; Liubarsky, I. ; López-March, N. ; Lorca, D. ; Losada, M. ; Martínez-Lema, G. ; Martínez, A. ; Monrabal, F. ; Monteiro, C.M.B. ; Mora, F.J. ; Moutinho, L.M. ; Novella, P. ; Nygren, D. ; Palmeiro, B. ; Para, A. ; Querol, M. ; Renner, J. ; Ripoll, L. ; Rodríguez, J. ; Santos, F.P. ; dos Santos, J.M.F. ; Serra, L. ; Shuman, D. ; Simón, A. ; Sofka, C. ; Sorel, M. ; Stiegler, T. ; Toledo, J.F. ; Torrent, J. ; Tsamalaidze, Z. ; Veloso, J.F.C.A. ; Webb, R. ; White, J.T. ; Yahlali, N. ; Yepes-Ramírez, H.
Sensitivity of NEXT-100 to neutrinoless double beta decay
Financiación FP7 / Fp7 Funds
Resumen: NEXT-100 is an electroluminescent high-pressure xenon gas time projection chamber that will search for the neutrinoless double beta (0¿ßß) decay of 136Xe. The detector possesses two features of great value for 0¿ßß searches: energy resolution better than 1% FWHM at the Q value of 136Xe and track reconstruction for the discrimination of signal and background events. This combination results in excellent sensitivity, as discussed in this paper. Material-screening measurements and a detailed Monte Carlo detector simulation predict a background rate for NEXT-100 of at most 4 × 10-4 counts keV-1 kg-1 yr-1. Accordingly, the detector will reach a sensitivity to the 0¿ßß-decay half-life of 2.8 × 1025 years (90% CL) for an exposure of 100 kg·year, or 6.0 × 1025 years after a run of 3 effective years.
Idioma: Inglés
DOI: 10.1007/JHEP05(2016)159
Año: 2016
Publicado en: Journal of High Energy Physics 2016, 5 (2016), [30 pp]
ISSN: 1126-6708

Factor impacto JCR: 6.063 (2016)
Categ. JCR: PHYSICS, PARTICLES & FIELDS rank: 3 / 29 = 0.103 (2016) - Q1 - T1
Factor impacto SCIMAGO: 1.163 - Nuclear and High Energy Physics (Q1)

Financiación: info:eu-repo/grantAgreement/EC/FP7/339787/EU/Towards the NEXT generation of bb0nu experimets/NEXT
Financiación: info:eu-repo/grantAgreement/ES/MINECO/Consolider-Ingenio-2010/CSD2008-00037
Financiación: info:eu-repo/grantAgreement/ES/MINECO/FIS2014-53371-C04
Tipo y forma: Article (Published version)
Área (Departamento): Área Física Atóm.Molec.y Nucl. (Dpto. Física Teórica)

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