Measurement of thermal neutron cross section and resonance integral for the `ANTPOT.165 Ho´(n, `gama´)`ANTPOT.166 Ho´ reaction (2009)
- Authors:
- USP affiliated authors: MAIDANA, NORA LIA - IF ; VANIN, VITO ROBERTO - IF
- Unidade: IF
- Assunto: ESPECTROSCOPIA DE RAIO GAMA
- Language: Inglês
- Abstract: The ground state thermal neutron cross section and the resonance integral for the `ANTPOT.165 Ho´(n,`gama´) `ANTPOT.166 Ho´ reaction in thermal and 1/E regions, respectively, of a thermal reactor neutron spectrum have been measured experimentally by activation technique. The reaction product, `ANTPOT.166 Ho´ in the ground state, is gaining considerable importance as a therapeutic radionuclide and precisely measured data of the reaction are of significance from the fundamental point of view as well as for application. In this work, the spectrographically pure holmium oxide (`Ho IND.2´`O IND.3´) powder samples were irradiated with and without cadmium covers at the IEA-R1 reactor (IPEN, São Paulo), Brazil. The deviation of the neutron spectrum shape from 1/E law was measured by co-irradiating Co, Zn, Zr and Au activation detectors with thermal and epithermal neutrons followed by regression and iterative procedures. The magnitudes of the discrepancies that can occur in measurements madewith the ideal 1/E law considerations in the epithermal range were studied. The measured thermal neutron cross section at the Maxwellian averaged thermal energy of 0.0253 eV is 59.0`+ OU -´2.1 b and for the resonance integral 657`+ OU -´36 b. The results are measured with good precision and indicated a consistency trend to resolve the discrepant status of the literature data. The results are compared with the values in main libraries such as ENDF/B-VII, JEF-2.2 and JENDL-3.2, and with othermeasurements in the literature
- Imprenta:
- Source:
- Título: Radiochimica Acta
- ISSN: 0033-8230
- Volume/Número/Paginação/Ano: v. 97, n. 2, p. 63-69, 2009
-
ABNT
RAJPUT, M U et al. Measurement of thermal neutron cross section and resonance integral for the `ANTPOT.165 Ho´(n, `gama´)`ANTPOT.166 Ho´ reaction. Radiochimica Acta, v. 97, n. 2, p. 63-69, 2009Tradução . . Disponível em: https://inis.iaea.org/search/searchsinglerecord.aspx?recordsFor=SingleRecord&RN=40035247. Acesso em: 28 dez. 2025. -
APA
Rajput, M. U., Maidana, N. L., Vanin, V. R., Dias, M. S., & Koskinas, M. F. (2009). Measurement of thermal neutron cross section and resonance integral for the `ANTPOT.165 Ho´(n, `gama´)`ANTPOT.166 Ho´ reaction. Radiochimica Acta, 97( 2), 63-69. Recuperado de https://inis.iaea.org/search/searchsinglerecord.aspx?recordsFor=SingleRecord&RN=40035247 -
NLM
Rajput MU, Maidana NL, Vanin VR, Dias MS, Koskinas MF. Measurement of thermal neutron cross section and resonance integral for the `ANTPOT.165 Ho´(n, `gama´)`ANTPOT.166 Ho´ reaction [Internet]. Radiochimica Acta. 2009 ; 97( 2): 63-69.[citado 2025 dez. 28 ] Available from: https://inis.iaea.org/search/searchsinglerecord.aspx?recordsFor=SingleRecord&RN=40035247 -
Vancouver
Rajput MU, Maidana NL, Vanin VR, Dias MS, Koskinas MF. Measurement of thermal neutron cross section and resonance integral for the `ANTPOT.165 Ho´(n, `gama´)`ANTPOT.166 Ho´ reaction [Internet]. Radiochimica Acta. 2009 ; 97( 2): 63-69.[citado 2025 dez. 28 ] Available from: https://inis.iaea.org/search/searchsinglerecord.aspx?recordsFor=SingleRecord&RN=40035247 - Absolute determination of soluble potassium in tea infusion by gamma-ray spectroscopy
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