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New developments in the MCUNED-Plus code for radiation transport and coupled transport-activation computational simulations in accelerator-based facilities

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dc.contributor.authorLópez Lorente, Víctor Daniel
dc.contributor.authorSauvan, Patrick
dc.contributor.authorSanz Pérez, Javier
dc.contributor.authorOgando Serrano, Francisco M.
dc.date.accessioned2025-12-23T17:43:32Z
dc.date.available2025-12-23T17:43:32Z
dc.date.issued2024-06-25
dc.descriptionThe registered version of this article, first published in Fusion Engineering and Design, is available online at the publisher's website: Elsevier, https://doi.org/10.1016/j.fusengdes.2024.114565
dc.descriptionLa versión registrada de este artículo, publicado por primera vez en Fusion Engineering and Design, está disponible en línea en el sitio web del editor: Elsevier, https://doi.org/10.1016/j.fusengdes.2024.114565
dc.description.abstractThe radiation hazard is one of the major aspects of concern in the design of a facility where it exists a risk of exposure to ionizing radiation. The nuclear analysis for radioprotection purposes requires an accurate description of the radiation fields. This is especially true in accelerator-based facilities where several types of particles are producing the radiation fields. Radiation fields exist during the accelerator operation, but delayed radiation may also be significant for a long time after operation ends. The radiation fields of concern present during the operation are due to the secondary neutrons and photons emitted by the interaction of accelerated particles with the accelerator components (beam leakage) or with the target. The radiation present after the operation is the residual photon field produced by activated materials, these materials being activated by both accelerated particles and secondary neutrons. This residual radiation field is relevant in high intensity accelerators like IFMIF-DONES. In order to address these complex radiation transport simulations, the D1SUNED code has been updated and the new code release renamed as MCUNED-Plus. The new developments include improvements in the light-ion transport like the implementation of a variance reduction for the production of secondary particles, and a new kinematics to reproduce the angular distribution of secondary particles emitted after deuteron breakup reaction. The calculation of the residual photon field in accelerator facility has also been improved by allowing to evaluate both light-ions and secondary neutrons induced shutdown dose rate in a single coupled simulation.en
dc.description.provenanceMade available in DSpace on 2025-12-23T17:43:32Z (GMT). No. of bitstreams: 1 New developments in the MCUNED-Plus code.pdf: 2494693 bytes, checksum: a282f5444407bf07b6707d2078b8337f (MD5) Previous issue date: 2024-06-25en
dc.description.versionversión publicada
dc.identifier.citationVictor López, Patrick Sauvan, Javier Sanz, Francisco Ogando, "New developments in the MCUNED-Plus code for radiation transport and coupled transport-activation computational simulations in accelerator-based facilities", Fusion Engineering and Design, num 205, 2024, pp 114565
dc.identifier.doihttps://doi.org/10.1016/j.fusengdes.2024.114565
dc.identifier.eissn1873-7196
dc.identifier.issn0920-3796
dc.identifier.urihttps://hdl.handle.net/20.500.14468/31286
dc.journal.issue205
dc.journal.titleFusion Engineering and Design
dc.language.isoen
dc.publisherElsevier
dc.relation.centerE.T.S. de Ingenieros Industriales
dc.relation.departmentIngeniería Energética
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.es
dc.subject2207.15 Energía Nuclear
dc.subject.keywordsMonte Carlo simulationsen
dc.subject.keywordsD1Sen
dc.subject.keywordsAccelerators facilitiesen
dc.subject.keywordsShutdown dose rateen
dc.subject.keywordsDONESen
dc.subject.odsODS 7 - Energía asequible y no contaminante
dc.titleNew developments in the MCUNED-Plus code for radiation transport and coupled transport-activation computational simulations in accelerator-based facilitiesen
dc.typeartículoes
dc.typejournal articleen
dspace.entity.typePublication
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relation.isAuthorOfPublication.latestForDiscovery46a76655-7396-4bbe-8c8c-5141ec37a014
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