Experimental and MCNP studies of paraffin and polyethylene in neutron moderation and BF3 detector efficiency

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dc.contributor.authorCARDENAS, JOSE P.N.
dc.contributor.authorMADI FILHO, TUFIC
dc.contributor.authorPETRI, ANNA R.
dc.contributor.authorSANTOS, ROBINSON A. dos
dc.contributor.authorMARTINS, JOAO F.T.
dc.contributor.authorCARVALHO, DIEGO V.S.
dc.contributor.authorALVARENGA, T.
dc.contributor.authorBELLEZZO, M.
dc.contributor.authorLARANJO, G.
dc.contributor.authorLIMA, M.
dc.contributor.authorOLIVEIRA, P.
dc.contributor.authorPEREIRA, MARIA da C.C.
dc.coverageInternacionalpt_BR
dc.creator.eventoINTERNATIONAL CONFERENCE ON ADVANCEMENTS IN NUCLEAR INSTRUMENTATION, MEASUREMENT METHODS AND THEIR APPLICATIONS, 3rdpt_BR
dc.date.accessioned2017-07-07T11:18:37Z
dc.date.available2017-07-07T11:18:37Z
dc.date.eventoJune 23-27, 2013pt_BR
dc.description.abstractThe Nuclear and Energy Research Institute – IPEN, offers post-graduate programs, namely: Nuclear Technology - Applications (TNA), Nuclear Technology - Materials (TNM), Nuclear Technology - Reactors (TNR). The Institute programs mission is to form expert technicians and engineers with a strong knowledge in their discipline to work in the nuclear area. The course: “Theoretical Fundaments and Practices of the Instrumentation used in Nuclear Data Acquisition” covers the use of laboratory nuclear instrumentation and the accomplishment of experiments to obtain nuclear parameters. One of these experiments is object of this work: “Experimental and MCNP Studies of Paraffin and Polyethylene Neutron Moderation and BF3 Detector Efficiency”. Neutrons are uncharged particles and, therefore, cannot be detected by Coulomb interactions. Thus, the detector assembly used must contain some kind of material with high cross section for interaction with neutrons, called converters. A boron trifluoride (BF3) detector was used in this experiment to detect neutron in real time. However, the response of this arrangement varies according to the energy range of incident neutrons. Their efficiency for thermal neutrons is above 90%, but, this result decreases, significantly, for neutrons of energy greater than 0.5 eV. The neutron moderation and, consequently, its energy variation were obtained by interposing different thicknesses of moderator material (Paraffin or Polyethylene) between the source and the detector.pt_BR
dc.event.siglaANIMMApt_BR
dc.identifier.citationCARDENAS, JOSE P.N.; MADI FILHO, TUFIC; PETRI, ANNA R.; SANTOS, ROBINSON A. dos; MARTINS, JOAO F.T.; CARVALHO, DIEGO V.S.; ALVARENGA, T.; BELLEZZO, M.; LARANJO, G.; LIMA, M.; OLIVEIRA, P.; PEREIRA, MARIA da C.C. Experimental and MCNP studies of paraffin and polyethylene in neutron moderation and BF3 detector efficiency. In: INTERNATIONAL CONFERENCE ON ADVANCEMENTS IN NUCLEAR INSTRUMENTATION, MEASUREMENT METHODS AND THEIR APPLICATIONS, 3rd, June 23-27, 2013, Marseille, France. <b>Proceedings...</b> Piscataway, NJ: IEEE, 2013. DOI: <a href="https://dx.doi.org/10.1109/ANIMMA.2013.6727922">10.1109/ANIMMA.2013.6727922</a>. Disponível em: http://repositorio.ipen.br/handle/123456789/27645.
dc.identifier.doi10.1109/ANIMMA.2013.6727922
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/27645
dc.localPiscataway, NJpt_BR
dc.local.eventoMarseille, Francept_BR
dc.publisherIEEEpt_BR
dc.rightsopenAccesspt_BR
dc.subjectaccidents
dc.subjectboron fluorides
dc.subjectcomputerized simulation
dc.subjectcross sections
dc.subjectdata acquisition
dc.subjectefficiency
dc.subjectmoderators
dc.subjectmonte carlo method
dc.subjectparaffin
dc.subjectpolyethylenes
dc.subjectradiation transport
dc.subjectthermal neutrons
dc.subjectthickness
dc.titleExperimental and MCNP studies of paraffin and polyethylene in neutron moderation and BF3 detector efficiencypt_BR
dc.typeTexto completo de eventopt_BR
dspace.entity.typePublication
ipen.autorANNA RAQUEL PETRI
ipen.autorJOAO FRANCISCO TRENCHER MARTINS
ipen.autorMARIA DA CONCEICAO COSTA PEREIRA
ipen.autorROBINSON ALVES DOS SANTOS
ipen.autorTUFIC MADI FILHO
ipen.autorJOSE PATRICIO NAHUEL CARDENAS
ipen.codigoautor9310
ipen.codigoautor5858
ipen.codigoautor193
ipen.codigoautor7515
ipen.codigoautor1231
ipen.codigoautor1328
ipen.contributor.ipenauthorANNA RAQUEL PETRI
ipen.contributor.ipenauthorJOAO FRANCISCO TRENCHER MARTINS
ipen.contributor.ipenauthorMARIA DA CONCEICAO COSTA PEREIRA
ipen.contributor.ipenauthorROBINSON ALVES DOS SANTOS
ipen.contributor.ipenauthorTUFIC MADI FILHO
ipen.contributor.ipenauthorJOSE PATRICIO NAHUEL CARDENAS
ipen.date.recebimento17-07pt_BR
ipen.event.datapadronizada2013pt_BR
ipen.identifier.ipendoc23868pt_BR
ipen.notas.internasProceedingspt_BR
ipen.type.genreArtigo
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relation.isAuthorOfPublication.latestForDiscoverycc496bda-6ca9-4c17-b940-e58b2ef867c2
sigepi.autor.atividadeCARDENAS, JOSE P.N.:1328:430:Spt_BR
sigepi.autor.atividadeMADI FILHO, TUFIC:1231:420:Npt_BR
sigepi.autor.atividadePETRI, ANNA R.:9310:240:Npt_BR
sigepi.autor.atividadeSANTOS, ROBINSON A. DOS:7515:240:Npt_BR
sigepi.autor.atividadeMARTINS, JOAO F.T.:5858:240:Npt_BR
sigepi.autor.atividadePEREIRA, MARIA DA C.C.:193:240:Npt_BR
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