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Title: Sensitivity of NEXT-100 to neutrinoless double beta decay

NEXT-100 is an electroluminescent high-pressure xenon gas time projection chamber that will search for the neutrinoless double beta (0νββ) decay of $$^{136}$$Xe. The detector possesses two features of great value for 0νββ searches: energy resolution better than 1% FWHM at the Q value of $$^{136}$$Xe 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$$^{–1}$$. Furthermore, the detector will reach a sensitivity to the 0νββ-decay half-life of 2.8 × 10$$^{25}$$ years (90% CL) for an exposure of 100 kg·year, or 6.0 × 10$$^{25}$$ years after a run of 3 effective years.
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Publication Date:
Report Number(s):
arXiv:1511.09246; FERMILAB-PUB-16-669-CD-ND
Journal ID: ISSN 1029-8479; 1407146
Grant/Contract Number:
AC02-07CH11359; AC02-05CH11231
Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2016; Journal Issue: 5; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Research Org:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Orgs:
The NEXT Collaboration; The NEXT collaboration
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; dark matter and double beta decay (experiments); rare decay
OSTI Identifier:
1353390
Alternate Identifier(s):
OSTI ID: 1379317

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., 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., and Yepes-Ramírez, H.. Sensitivity of NEXT-100 to neutrinoless double beta decay. United States: N. p., Web. doi:10.1007/JHEP05(2016)159.
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., 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. United States. doi:10.1007/JHEP05(2016)159.
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., 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., and Yepes-Ramírez, H.. 2016. "Sensitivity of NEXT-100 to neutrinoless double beta decay". United States. doi:10.1007/JHEP05(2016)159. https://www.osti.gov/servlets/purl/1353390.
@article{osti_1353390,
title = {Sensitivity of NEXT-100 to neutrinoless double beta decay},
author = {Martín-Albo, J. and Muñoz Vidal, J. and Ferrario, P. and Nebot-Guinot, M. and Gómez-Cadenas, J. J. and Álvarez, V. and Azevedo, C. D. R. and Borges, F. I. G. and Cárcel, S. and Carrión, J. V. and Cebrián, S. and Cervera, A. and Conde, C. A. N. and Díaz, J. and Diesburg, M. and Esteve, R. and Fernandes, L. M. P. and Ferreira, A. L. and Freitas, E. D. C. and Goldschmidt, A. and González-Díaz, D. and Gutiérrez, R. M. and Hauptman, J. and Henriques, C. A. O. and Hernando Morata, J. A. and Herrero, V. and Labarga, L. and Laing, A. and Lebrun, P. and Liubarsky, I. and López-March, N. and Lorca, D. and Losada, M. and Martínez-Lema, G. and Martínez, A. and Monrabal, F. and Monteiro, C. M. B. and Mora, F. J. and Moutinho, L. M. and Novella, P. and Nygren, D. and Palmeiro, B. and Para, A. and Querol, M. and Renner, J. and Ripoll, L. and Rodríguez, J. and Santos, F. P. and dos Santos, J. M. F. and Serra, L. and Shuman, D. and Simón, A. and Sofka, C. and Sorel, M. and Stiegler, T. and Toledo, J. F. and Torrent, J. and Tsamalaidze, Z. and Veloso, J. F. C. A. and Webb, R. and White, J. T. and Yahlali, N. and Yepes-Ramírez, H.},
abstractNote = {NEXT-100 is an electroluminescent high-pressure xenon gas time projection chamber that will search for the neutrinoless double beta (0νββ) decay of $^{136}$Xe. The detector possesses two features of great value for 0νββ searches: energy resolution better than 1% FWHM at the Q value of $^{136}$Xe 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$^{–1}$. Furthermore, the detector will reach a sensitivity to the 0νββ-decay half-life of 2.8 × 10$^{25}$ years (90% CL) for an exposure of 100 kg·year, or 6.0 × 10$^{25}$ years after a run of 3 effective years.},
doi = {10.1007/JHEP05(2016)159},
journal = {Journal of High Energy Physics (Online)},
number = 5,
volume = 2016,
place = {United States},
year = {2016},
month = {5}
}