Playing with neutrons
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2020
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REUNIÃO DE TRABALHO SOBRE FÍSICA NUCLEAR NO BRASIL, 43.
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Resumo
Due to their unique characteristics, neutrons are an excellent tool to probe materials, as well as
to produce radionuclides for other uses. The IEA-R1, the largest nuclear research reactor in Brasil,
located in IPEN-CNEN/SP, is a 5MW pool-type reactor from the mid-1950's that, despite its age,
still provides important facilities for neutron irradiation and probing under high neutron
uxes.
These facilities can be divided in two groups: in-core irradiation positions with
uxes ranging from
10(12) to 10(14)cm(-2).s(-1), where a sample is irradiated inside the reactor core for posterior analysis;
and in-beam facilities, with 8 radial and 2 tangential tubes delivering collimated neutrons in the
experimental hall with
uxes up to 10(8)cm(-2).s(-1), where a sample is irradiated outide the core,
under a considerably lower
ux, but with the possibility of real-time analysis and of better radiation
filtering and collimation.
Different experiments can be performed using the IEA-R1 neutron sources, and this work
intends to showcase these facilities, giving an insight regarding the specific properties or each,
with their capabilities and some present applications, while also discussing some possible future
applications.
Como referenciar
ZAHN, GUILHERME S.; GENEZINI, FREDERICO A.; MORALLES, MAURICIO; SOUZA, FRANCISCO A. Playing with neutrons: experimental facilities at the IEA-R1 reactor. In: REUNIÃO DE TRABALHO SOBRE FÍSICA NUCLEAR NO BRASIL, 43., 14-16 de dezembro, 2020, Online. Resumo... São Paulo, SP: Sociedade Brasileira de Física, 2020. Disponível em: http://repositorio.ipen.br/handle/123456789/31837. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.