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Sensitivity of the NEXT experiment to 124-Xe double electron capture

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Sensitivity of the NEXT experiment to 124-Xe double electron capture

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dc.contributor.author Martinez-Lema, G. es_ES
dc.contributor.author Martinez-Vara, M. es_ES
dc.contributor.author Sorel, M. es_ES
dc.contributor.author Adams, C. es_ES
dc.contributor.author Álvarez-Puerta, Vicente es_ES
dc.contributor.author Arazi, L. es_ES
dc.contributor.author Arnquist, I.J. es_ES
dc.contributor.author Azevedo, C. D. R. es_ES
dc.contributor.author Bailey, K. es_ES
dc.contributor.author Ballester Merelo, Francisco José es_ES
dc.contributor.author Benlloch-Rodriguez, J. M. es_ES
dc.contributor.author Borges, F. I. G. M. es_ES
dc.contributor.author Byrnes, N. es_ES
dc.contributor.author Carcel, S. es_ES
dc.contributor.author Carrión, J. V. es_ES
dc.contributor.author Esteve Bosch, Raul es_ES
dc.contributor.author Herrero Bosch, Vicente es_ES
dc.contributor.author Mora Mas, Francisco José es_ES
dc.contributor.author Rodriguez-Samaniego, Javier es_ES
dc.contributor.author Toledo Alarcón, José Francisco es_ES
dc.date.accessioned 2022-01-20T19:30:35Z
dc.date.available 2022-01-20T19:30:35Z
dc.date.issued 2021-02-24 es_ES
dc.identifier.uri http://hdl.handle.net/10251/180036
dc.description.abstract [EN] Double electron capture by proton-rich nuclei is a second-order nuclear process analogous to double beta decay. Despite their similarities, the decay signature is quite di erent, potentially providing a new channel to measure the hypothesized neutrinoless mode of these decays. The Standard-Model-allowed two-neutrino double electron capture has been predicted for a number of isotopes, but only observed in 78Kr, 130Ba and, recently, 124Xe. The sensitivity to this decay establishes a benchmark for the ultimate experimental goal, namely the potential to discover also the lepton-number-violating neutrinoless version of this process. Here we report on the current sensitivity of the NEXT-White detector to 124Xe 2 ECEC and on the extrapolation to NEXT-100. Using simulated data for the 2 ECEC signal and real data from NEXT-White operated with 124Xe-depleted gas as background, we de ne an optimal event selection that maximizes the NEXT-White sensitivity. We estimate that, for NEXT-100 operated with xenon gas isotopically enriched with 1 kg of 124Xe and for a 5-year run, a sensitivity to the two-neutroni double electron capture half-life of 6x10exp22 years (at 90% con dence level) or better can be reached. es_ES
dc.description.sponsorship The NEXT collaboration acknowledges support from the following agencies and institutions: the European Research Council (ERC) under the Advanced Grant 339787-NEXT; the European Union's Framework Programme for Research and Innovation Horizon 2020 (2014-2020) under the Marie Sklodowska-Curie Grant Agreements No. 674896, 690575 and 740055; the Ministerio de Economia y Competitividad and the Ministerio de Ciencia, Innovacion y Universidades of Spain under grants FIS2014-53371-C04, RTI2018-095979, the Severo Ochoa Program grants SEV-2014-0398 and CEX2018-000867-S, and the Maria de Maeztu Program MDM-2016-0692; the GVA of Spain under grants PROMETEO/2016/120 and SEJI/2017/011; the Portuguese FCT under project PTDC/FIS-NUC/2525/2014, under project UID/FIS/04559/2013 to fund the activities of LIBPhys, and under grants PD/BD/105921/2014, SFRH/BPD/109180/2015 and SFRH/BPD/76842/2011; the U.S. Department of Energy under contracts number DE-AC02-06CH11357 (Argonne National Laboratory), DE-AC02-07CH11359 (Fermi National Accelerator Laboratory), DE-FG02-13ER42020 (Texas A&M) and DE-SC0019223/DE-SC0019054 (University of Texas at Arlington); and the University of Texas at Arlington. DGD acknowledges Ramon y Cajal program (Spain) under contract number RYC-2015-18820. We also warmly acknowledge the Laboratori Nazionali del Gran Sasso (LNGS) and the Dark Side collaboration for their help with TPB coating of various parts of the NEXT-White TPC. Finally, we are grateful to the Laboratorio Subterraneo de Canfranc for hosting and supporting the NEXT experiment es_ES
dc.language Inglés es_ES
dc.publisher Springer-Verlag es_ES
dc.relation.ispartof Journal of High Energy Physics (Online) es_ES
dc.rights Reconocimiento (by) es_ES
dc.subject.classification TECNOLOGIA ELECTRONICA es_ES
dc.title Sensitivity of the NEXT experiment to 124-Xe double electron capture es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1007/JHEP02(2021)203 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-095979-B-C44/ES/CONSTRUCCION Y OPERACION DEL DETECTOR NEXT-100/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/DOE//DE-FG02-13ER42020/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/EC/FP7/339787/EU/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/DOE//DE-AC02-06CH11357/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/674896/EU/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/DOE//DE-AC02-07CH11359/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/690575/EU/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/DOE//DE-SC0019223/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/740055/EU/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/DOE//DE-SC0019054/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/FCT/5876/147413/PT/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MCIU//MDM-2016-0692//Programa Maria de Maetzu/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/FCT/PD/PD%2FBD%2F105921%2F2014/PT/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/GVA//PROMETEO%2F2016%2F120/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/GVA//SEJI%2F2017%2F011/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBPD%2F76842%2F2011/PT/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/FCT//PTDC%2FFIS-NUC%2F2525%2F2014/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//FIS2014-53371-C4-4-R/ES/CONSTRUCCION, VALIDACION Y OPERACION DE LA ELECTRONICA DEL EXPERIMENTO NEXT/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F109180%2F2015/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//RYC-2015-18820/ES/RYC-2015-18820/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//CEX2018-000867-S/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//SEV-2014-0398/ES/INSTITUTO DE FISICA CORPUSCULAR (IFIC)/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto de Instrumentación para Imagen Molecular - Institut d'Instrumentació per a Imatge Molecular es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Electrónica - Departament d'Enginyeria Electrònica es_ES
dc.description.bibliographicCitation Martinez-Lema, G.; Martinez-Vara, M.; Sorel, M.; Adams, C.; Álvarez-Puerta, V.; Arazi, L.; Arnquist, I.... (2021). Sensitivity of the NEXT experiment to 124-Xe double electron capture. Journal of High Energy Physics (Online). 2:1-25. https://doi.org/10.1007/JHEP02(2021)203 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1007/JHEP02(2021)203 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 25 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 2 es_ES
dc.identifier.eissn 1029-8479 es_ES
dc.relation.pasarela S\424731 es_ES
dc.contributor.funder European Commission es_ES
dc.contributor.funder Generalitat Valenciana es_ES
dc.contributor.funder U.S. Department of Energy es_ES
dc.contributor.funder AGENCIA ESTATAL DE INVESTIGACION es_ES
dc.contributor.funder MINISTERIO DE ECONOMIA Y EMPRESA es_ES
dc.contributor.funder Ministerio de Economía y Competitividad es_ES
dc.contributor.funder Ministerio de Ciencia, Innovación y Universidades es_ES
dc.contributor.funder Fundação para a Ciência e a Tecnologia, Portugal es_ES
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