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Assessment of the capabilities of the MBIR reactor’s horizontal experimental channels for neutron therapy

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creativeworkseries.issn2452-3038
dc.contributor.authorKravets, S. V.
dc.contributor.authorKlinov, D. A.
dc.contributor.authorKurachenko, Yu. A.
dc.date.accessioned2025-11-26T09:00:28Z
dc.date.available2025-11-26T09:00:28Z
dc.date.issued2025
dc.description.abstractThe paper presents the results of determining the possibility of using the horizontal experimental channels of the MBIR reactor for neutron capture therapy studies. The collimator configuration for the neutron beam extraction with specified properties was justified computationally. The peculiarities of the reactor give grounds for a positive assessment of this prospect, primarily the hard spectrum and the uniquely high intensity of the beams. The paper considers the capability of channel No.5 as the most suitable for neutron capture therapy due to a combination of characteristics. The simplest possible axisymmetric collimator was selected for the calculations to assess the key functionalities of neutron capture therapy. The configuration and material composition of the collimator are defined by the experience of calculations. Two fundamental characteristics were analyzed to assess the capabilities of the neutron beam of MBIR’s channel No.5 for neutron capture therapy. These are the dose in the target (soft tumor tissue) containing 65 ppm of 10B, and the dose in healthy tissue containing 18 ppm of 10B. The task in the series of calculations was as follows: to determine the dynamics of the key values for neutron capture therapy with a variable thickness of the moderator in the collimator channel – the time for gaining a fixed “therapeutic” dose in the target (tumor) and the time for gaining the maximum “tolerance” dose in healthy tissue when the target moves along the depth of the phantom. The distribution of these characteristics through the depth of the tissue allows us to conclude that the beam extraction configuration under consideration is effective. The obtained results of the spectral neutron distribution at the outlet of channel No.5 and the estimated dose characteristics in healthy tissue and in the tumor confirm that it is technically possible to use this channel for neutron capture therapy.
dc.description.urihttps://nucet.pensoft.net/article/169083/list/9/
dc.identifier.citationKravets SV, Klinov DA, Kurachenko YuA (2025) Assessment of the capabilities of the MBIR reactor’s horizontal experimental channels for neutron therapy. Nuclear Energy and Technology 11(3): 155-160. https://doi.org/10.3897/nucet.11.169083
dc.identifier.doi10.3897/nucet.11.169083
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/39847
dc.publisherНИЯУ МИФИ
dc.subjectNeutron beam
dc.subjectTolerance dose
dc.subjectTherapeutic dose
dc.subjectCollimator
dc.subjectHorizontal experimental channel
dc.subjectNeutron capture therapy
dc.subjectMBIR
dc.titleAssessment of the capabilities of the MBIR reactor’s horizontal experimental channels for neutron therapy
dc.title.alternativeНАУЧНЫЕ СТАТЬИ
dc.typeArticleru
dspace.entity.typePublication
relation.isJournalIssueOfPublication591801e9-ddf7-49d8-afdf-c87b3e8faac9
relation.isJournalIssueOfPublication.latestForDiscovery591801e9-ddf7-49d8-afdf-c87b3e8faac9
relation.isJournalOfPublicatione11ecc6c-1851-485a-af73-18119b4fce7f
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