Academic Journal
Demonstration of neutrinoless double beta decay searches in gaseous xenon with NEXT
| العنوان: | Demonstration of neutrinoless double beta decay searches in gaseous xenon with NEXT |
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| المؤلفون: | Novella, P., Sorel, M., Usón, A., Adams, C., Almazán, H., Ãlvarez, V., Aparicio, B., Aranburu, A. I., Arazi, L., Arnquist, I. J., Auria-Luna, F., Ayet, S., Azevedo, C. D. R., Bailey, K., Ballester, F., del Barrio-Torregrosa, M., Bayo, A., Benlloch-RodrÃguez, J. M., Borges, F. I. G. M., Bounasser, S., Byrnes, N., Cárcel, S., Carrión, J. V., Cebrián, S., Church, E., Cid, L., Conde, C. A. N., Contreras, T., CossÃo, F. P., Dey, E., DÃaz, G., Dickel, T., Elorza, M., 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., Grocott, J., Guenette, R., Haefner, J., Hafidi, K., Hauptman, J., Henriques, C. A. O., Hernando Morata, J. A., Herrero-Gómez, P., Herrero, V., Hervés Carrete, C., Ho, J., Ho, P., Ifergan, Y., Jones, B. J. P., Labarga, L., Larizgoitia, L., Larumbe, A., Lebrun, P., Lopez, F., Lopez Gutierrez, D., López-March, N., Madigan, R., Mano, R. D. P., Marques, A. P., MartÃn-Albo, J., MartÃnez-Lema, G., MartÃnez-Vara, M., Meziani, Z. E., Miller, R. L., Mistry, K., Molina-Canteras, J., Monrabal, F., Monteiro, C. M. B., Mora, F. J., Muñoz Vidal, J., Navarro, K., Nuñez, A., Nygren, D. R., Oblak, E., Odriozola-Gimeno, M., Palacio, J., Palmeiro, B., Para, A., Parmaksiz, I., Pelegrin, J., Pérez Maneiro, M., Querol, M., Redwine, A. B., Renner, J., Rivilla, I., RodrÃguez, J., Rogero, C., Rogers, L., Romeo, B., Romo-Luque, C., Santos, F. P., dos Santos, J. M. F., Simón, A., Soleti, S. R., Stanford, C., Teixeira, J. M. R., Toledo, J. F., Torrent, J., Veloso, J. F. C. A., Vuong, T. T., Waiton, J., White, J. T. |
| سنة النشر: | 2023 |
| المجموعة: | Digital Repository of University of Zaragoza (ZAGUAN) |
| الوصف: | The NEXT experiment aims at the sensitive search of the neutrinoless double beta decay in 136Xe, using high-pressure gas electroluminescent time projection chambers. The NEXT-White detector is the first radiopure demonstrator of this technology, operated in the Laboratorio Subterráneo de Canfranc. Achieving an energy resolution of 1% FWHM at 2.6 MeV and further background rejection by means of the topology of the reconstructed tracks, NEXT-White has been exploited beyond its original goals in order to perform a neu- trinoless double beta decay search. The analysis considers the combination of 271.6 days of 136Xe-enriched data and 208.9 days of 136Xe-depleted data. A detailed background modeling and measurement has been developed, ensuring the time stability of the radiogenic and cosmogenic contributions across both data samples. Limits to the neutrinoless mode are obtained in two alternative analyses: a background-model-dependent approach and a novel direct background-subtraction technique, offering results with small dependence on the background model assumptions. With a fiducial mass of only 3.50 ± 0.01 kg of 136Xe-enriched xenon, 90% C.L. lower limits to the neutrinoless double beta decay are found in the > 5.5 × 1023 − 1.3 × 1024 yr range, depending on the method. The presented techniques stand as a proof-of-concept for the searches to be implemented with larger NEXT detectors. |
| نوع الوثيقة: | article in journal/newspaper |
| وصف الملف: | application/pdf |
| اللغة: | English |
| Relation: | info:eu-repo/grantAgreement/EC/ERC/951281/EU/A background-free experiment to discover the nature of neutrinos based on single Barium Atom Light Detection/BOLD; info:eu-repo/grantAgreement/EC/H2020/957202/EU/HINDERING DENDRITE GROWTH IN LITHIUM METAL BATTERIES/HIDDEN; This project has received funding from the European Union’s Horizon 2020 research and innovation program under grant agreement No H2020 957202-HIDDEN; info:eu-repo/grantAgreement/ES/MICINN/PID2021-125475NB; info:eu-repo/grantAgreement/ES/MINECO/CEX2018-000867-S; http://zaguan.unizar.es/record/131119 |
| DOI: | 10.1007/JHEP09(2023)190 |
| الاتاحة: | http://zaguan.unizar.es/record/131119 https://doi.org/10.1007/JHEP09(2023)190 |
| Rights: | by ; http://creativecommons.org/licenses/by/3.0/es/ |
| رقم الانضمام: | edsbas.82258EE8 |
| قاعدة البيانات: | BASE |
| DOI: | 10.1007/JHEP09(2023)190 |
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