DIAZ, O.FIGUEIREDO, A.M.G.NOGUEIRA, C.A.LOPEZ, N.GONZALEZ, H.MANSO GUEVARA, M.V.SAIKI, M.VASCONCELLOS, M.B.A.2014-07-312014-07-312014-07-312014-07-312005DIAZ, O.; FIGUEIREDO, A.M.G.; NOGUEIRA, C.A.; LOPEZ, N.; GONZALEZ, H.; MANSO GUEVARA, M.V.; SAIKI, M.; VASCONCELLOS, M.B.A. Epithermal neutron flux characterization of the IEA-R1 research reactor, Sao Paulo, Brazil from use in INAA. <b>Journal of Radioanalytical and Nuclear Chemistry</b>, v. 266, n. 1, p. 153-157, 2005. DOI: <a href="https://dx.doi.org/10.1007/s10967-005-0885-4">10.1007/s10967-005-0885-4</a>. Disponível em: http://repositorio.ipen.br/handle/123456789/7584.0236-5731http://repositorio.ipen.br/handle/123456789/7584The nonideality of the epithermal neutron flux distribution at a reactor site parameter ( ) and the thermal-to-epithermal neutron ratio (É) were determined in three typical irradiation positions of the IEA-R1 reactor of IPEN-CNEN/SP, Sao Paulo, Brazil, using the ìCd-ratio for multimonitorî and ìbare bi-isotopic monitorî methods, respectively. This characterization is to be used in the k0-method of NAA, recently introduced at the IPEN.153-157openAccessiear-1 reactorepithermal neutronsneutron fluxneutron activation analysisArtigo de periódico126610.1007/s10967-005-0885-4