First <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>β</mml:mi></mml:mrow></mml:math> -Delayed Two-Neutron Spectroscopy of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>r</mml:mi></mml:mrow></mml:math> -Process Nucleus <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>In</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>134</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math> and Observation of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>i</mml:mi></mml:mrow><mml:mrow><mml:mn>13</mml:mn><mml:mo>/</mml:mo><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math> Single-Particle Neutron State in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>Sn</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>133</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math>

Simple item page
dc.contributor.authorDyszel, P.
dc.contributor.authorGrzywacz, R.
dc.contributor.authorXu, Z. Y.
dc.contributor.authorKitamura, N.
dc.contributor.authorKarny, M.
dc.contributor.authorKorgul, A.
dc.contributor.authorMadurga, M.
dc.contributor.authorNeupane, S.
dc.contributor.authorAlgora, A.
dc.contributor.authorAndreyev, A. N.
dc.contributor.authorAraszkiewicz, M.
dc.contributor.authorBark, R. A.
dc.contributor.authorBenito García, Jaime
dc.contributor.authorBernier, Nikita
dc.contributor.authorBorge, M. J. G.
dc.contributor.authorCaballero Rodríguez, Miriam
dc.contributor.authorChuchala, P.
dc.contributor.authorCocolios, T. E.
dc.contributor.authorCostache, C.
dc.contributor.authorCubiss, J. G.
dc.contributor.authorDeWitte, H.
dc.contributor.authorEscher, J. E.
dc.contributor.authorFernandez-Ruiz, D.
dc.contributor.authorFijalkowska, A.
dc.contributor.authorFraile Prieto, Luis Mario
dc.contributor.authorFynbo, H. O. U.
dc.contributor.authorGouge, J.
dc.contributor.authorLópez Herraiz, Joaquín
dc.contributor.authorIllana Sisón, Andrés
dc.contributor.authorJones, P. M.
dc.contributor.authorJudson, D. S.
dc.contributor.authorKamińska, P.
dc.contributor.authorKawano, T.
dc.contributor.authorKolos, K.
dc.contributor.authorLabiche, M.
dc.contributor.authorLică, R.
dc.contributor.authorLlanos Expósito, Mario
dc.contributor.authorGrarcía de Lorenzo, Gabriel
dc.contributor.authorMarginean, N.
dc.contributor.authorMichelon, I.
dc.contributor.authorMihai, C.
dc.contributor.authorNácher, E.
dc.contributor.authorNeacsu, C.
dc.contributor.authorNielsen, J. S.
dc.contributor.authorOlaizola, B.
dc.contributor.authorOrce, J. N.
dc.contributor.authorPage, C. A. A.
dc.contributor.authorPage, R. D.
dc.contributor.authorPakarinen, J.
dc.contributor.authorPerea, A.
dc.contributor.authorPiersa-Silkowska, Monika
dc.contributor.authorPodolyák, Zs.
dc.contributor.authorPrieto, J. S.
dc.contributor.authorRajabali, M.
dc.contributor.authorShaw, J.
dc.contributor.authorSison, A. I.
dc.contributor.authorSolak, K.
dc.contributor.authorStryjczyk, M.
dc.contributor.authorTengblad, O.
dc.contributor.authorVicente, P. G. T.
dc.contributor.authorWarr, N.
dc.contributor.authorWilson, J.
dc.contributor.authorYue, Z.
dc.contributor.authorZajda, S.
dc.date.accessioned2026-02-04T16:24:58Z
dc.date.available2026-02-04T16:24:58Z
dc.date.issued2025-10-08
dc.descriptionGroup Author: IDS Collaboration. DEFG02-96ER40983. DE-AC05-00OR22725. 89233218CNA000001. DE-AC52-07NA27344. DE-436NA0003899. DE-NA0002132. DE-NA0004068. 1919735. PN 23 21 01 02. 05P18PKCIA. 05P21PKCI1. 05P2018. 05P2021. ST/R004056/1. ST/P004598/1. ST/P003885/1. ST/V001027/1. ST/Y000242/1. ST/V001035/1. 2021B0301030006. 2020/39/B/ST2/02346. 2024/53/N/ST2/03168. 2023/51/D/ST2/02816. 2021/WK/07. CT31/21. CISEJI/2022/25. South African CERN Program
dc.description.abstractThis manuscript reports on the direct observation of a β-delayed two-neutron emission in a study of 134In at the ISOLDE Decay Station using neutron spectroscopy. We also report on the first measurement in β-decay of the long-sought 13/2+ excited state in 133Sn, attributed to be the neutron single-particle i13/2 orbital. The observation of sequential neutron emission is used to extract the relative population of the i13/2 state, which was found to be much smaller than the predictions of the statistical model. The experiment was possible because of the innovative use of a neutron array with neutron discrimination and interaction tracking capabilities. This is the first study of the details of the two-neutron emission for a nucleus, which belongs to the r-process path. Understanding β-delayed two-neutron emission probabilities is essential to validate models used in astrophysical r-process nucleosynthesis calculations. Observing two-neutron emissions in β-decay paves the way for new experiments to study energy and angular correlations for β-delayed multineutron emitters.
dc.description.departmentDepto. de Estructura de la Materia, Física Térmica y Electrónica
dc.description.facultyFac. de Ciencias Físicas
dc.description.facultyInstituto de Física de Partículas y del Cosmos (IPARCOS)
dc.description.refereedTRUE
dc.description.sponsorshipEuropean Comission
dc.description.sponsorshipDepartment of Energy (US)
dc.description.sponsorshipNational Science Foundation (US)
dc.description.sponsorshipResearch Foundation - Flanders
dc.description.sponsorshipKU Leuven
dc.description.sponsorshipFederal Ministry of Education and Research (Germany)
dc.description.sponsorshipScience and Technology Facilities Research Council (UK)
dc.description.sponsorshipGuangdong Major Project of Basic and Applied Basic Research (China)
dc.description.sponsorshipPolish National Science Center
dc.description.sponsorshipMinistry of Science and Higher Education (Poland)
dc.description.sponsorshipMinisterio de Ciencia e Innovación (España)
dc.description.sponsorshipAgencia Estatal de Investigación
dc.description.sponsorshipGeneralitat Valenciana
dc.description.sponsorshipUniversidad Complutense de Madrid
dc.description.sponsorshipEuropean Organization for Nuclear Research
dc.description.statuspub
dc.identifier.citationDyszel, P., et al. «First β -Delayed Two-Neutron Spectroscopy of the r -Process Nucleus In 134 and Observation of the i 13 / 2 Single-Particle Neutron State in Sn 133». Physical Review Letters, vol. 135, n.o 15, octubre de 2025, p. 152501. DOI.org (Crossref), https://doi.org/10.1103/l24v-5m31.
dc.identifier.doi10.1103/l24v-5m31
dc.identifier.essn1079-7114
dc.identifier.issn0031-9007
dc.identifier.officialurlhttps://dx.doi.org/10.1103/l24v-5m31
dc.identifier.pmid41138100
dc.identifier.relatedurlhttps://journals.aps.org/prl/abstract/10.1103/l24v-5m31
dc.identifier.urihttps://hdl.handle.net/20.500.14352/131526
dc.issue.number15
dc.journal.titlePhysical Review Letters
dc.language.isoeng
dc.page.final152501-8
dc.page.initial152501-1
dc.publisherAmerican Physical Society
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/HE/101212216
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/HE/101057511
dc.relation.projectIDPN 23 21 01 02
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PGC2018-093636-B-I00/ES/METODOS DE POCOS Y MUCHOS CUERPOS APLICADOS AL ESTUDIO DE NUCLEOS EXOTICOS/
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-098868-B-I00/ES/CENTELLEADORES RAPIDOS PARA ESTRUCTURA NUCLEAR Y APLICACIONES/
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-104390GB-I00/ES/DINAMICA Y ESTRUCTURA DE NUCLEOS EXOTICOS ESTUDIADOS EN EXPERIMENTOS/
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-104714GB-C21/ES/ESTRUCTURA NUCLEAR, ASTROFISICA Y APLICACIONES - IFIC/
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2021-126998OB-I00/ES/ESTRUCTURA NUCLEAR Y APLICACIONES CON CENTELLEADORES RAPIDOS/
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2022-140162NB-I00/ES/ESTUDIOS EXPERIMENTALES DE NUCLEOS EXOTICOS/
dc.rightsAttribution 4.0 Internationalen
dc.rights.accessRightsopen access
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subject.cdu539.1
dc.subject.keywordVersatile array
dc.subject.keywordDetertors
dc.subject.keywordFission
dc.subject.ucmFísica nuclear
dc.subject.unesco2207 Física Atómica y Nuclear
dc.titleFirst <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>β</mml:mi></mml:mrow></mml:math> -Delayed Two-Neutron Spectroscopy of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>r</mml:mi></mml:mrow></mml:math> -Process Nucleus <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>In</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>134</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math> and Observation of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>i</mml:mi></mml:mrow><mml:mrow><mml:mn>13</mml:mn><mml:mo>/</mml:mo><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math> Single-Particle Neutron State in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>Sn</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>133</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math>
dc.typejournal article
dc.type.hasVersionVoR
dc.volume.number135
dspace.entity.typePublication
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relation.isAuthorOfPublicationec83106c-33f4-426c-afd6-68c5d859f9d4
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