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NSR database version of April 27, 2024.

Search: Author = J.U.Delgado

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2021SI11      Appl.Radiat.Isot. 170, 109559 (2021)

R.F.P.Simoes, C.J.da Silva, R.L.da Silva, L.V.de Sa, R.Poledna, A.E.de Oliveira, A.Iwahara, P.A.L.da Cruz, J.U.Delgado

Standardization of ²²³Ra by live-time anticoincidence counting and gamma-ray emission determination

RADIOACTIVITY ²²³Ra(α); measured activity concentrations by 4πβαγ live-time anticoincidence counting (LTAC) method, Eγ, Iγ, E(x ray), I(x ray) using ionization chambers, scintillation detectors, and HPGe detector at LNMRI lab in Rio de Janeiro; deduced activity standardization of ²²³Ra source, emission probabilities of x rays and γ rays. Comparison with evaluated data by DDEP-LNHB.

doi: 10.1016/j.apradiso.2020.109559
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Data from this article have been entered in the XUNDL database. For more information, click here.

2020GO11      Appl.Radiat.Isot. 166, 109323 (2020)

R.S.Gomes, J.U.Delgado, C.J.da Silva, R.L.da Silva, P.A.L.da Cruz, A.L.Ferreira Filho, M.C.M.de Almeida, A.Iwahara, A.E.de Oliveira, L.Tauhata

Measurement of the absolute gamma emission intensities from the decay of Th-229 in equilibrium with progeny

RADIOACTIVITY ²²⁹Th(α); measured decay products, Eγ, Iγ. ²²⁹Th, ²²¹Fr, ²¹³Bi, ²⁰⁹Tl; deduced γ-ray energies and intensities. Comparison with available data.

doi: 10.1016/j.apradiso.2020.109323
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2012DA06      Appl.Radiat.Isot. 70, 1924 (2012)

C.J.da Silva, A.Iwahara, D.S.Moreira, J.U.Delgado, R.S.Gomes

⁵⁷Co half-life determination

RADIOACTIVITY ⁵⁷Co(EC); measured decay products, Eγ, Iγ; deduced T_1/2 and its uncertainty. Comparison with available data.

doi: 10.1016/j.apradiso.2012.02.038
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Data from this article have been entered in the XUNDL database. For more information, click here.

2010BE18      Appl.Radiat.Isot. 68, 2026 (2010)

M.-M.Be, B.Chauvenet, M.-N.Amiot, C.Bobin, M.-C.Lepy, T.Branger, I.Laniece, A.Luca, M.Sahagia, A.C.Watjen, K.Kossert, O.Ott, O.Nahle, P.Dryak, J.Sochorova, P.Kovar, P.Auerbach, T.Altzitzoglou, S.Pomme, G.Sibbens, R.Van Ammel, J.Paepen, A.Iwahara, J.U.Delgado, R.Poledna

International exercise on ¹²⁴Sb photon emission intensities determination

RADIOACTIVITY ¹²⁴Sb(β^-); measured Eγ, Iγ; deduced γ-ray and x-rays intensities per decay, branching ratio.

doi: 10.1016/j.apradiso.2010.01.038
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2009IW01      Nucl.Instrum.Methods Phys.Res. A602, 450 (2009)

A.Iwahara, J.U.Delgado, R.Poledna, C.J.da Silva, M.C.M.de Almeida, R.L.da Silva

Primary radioactivity standardization and gamma intensities determination of ¹²⁴Sb

RADIOACTIVITY ¹²⁴Sb(β^-); measured Eγ, Iγ, βγ-coin.

doi: 10.1016/j.nima.2009.01.021
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2006DA20      Appl.Radiat.Isot. 64, 1440 (2006)

M.A.L.da Silva, R.Poledna, A.Iwahara, C.J.da Silva, J.U.Delgado, R.T.Lopes

Standardization and decay data determinations of ¹²⁵I, ⁵⁴Mn and ²⁰³Hg

RADIOACTIVITY ⁵⁴Mn, ¹²⁵I, ²⁰³Hg; measured Eγ, Iγ; deduced photon emission probabilities.

doi: 10.1016/j.apradiso.2006.02.058
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2005IW01      Appl.Radiat.Isot. 63, 107 (2005)

A.Iwahara, M.A.L.da Silva, A.E.Carvalho Filho, E.M.de Oliveira Bernardes, J.U.Delgado

Determination of disintegration rates and γ-ray emission probabilities of ⁶⁵Zn and ²⁴¹Am

RADIOACTIVITY ⁶⁵Zn(β⁺), (EC); measured Eγ, Iγ, (X-ray)γ-coin; deduced γ-ray emission probability. ²⁴¹Am(α); measured Eγ, Iγ, αγ-coin; deduced γ-ray emission probabilities. ⁶⁵Cu, ²³⁷Np deduced transitions.

doi: 10.1016/j.apradiso.2005.01.013
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2004DA05      Appl.Radiat.Isot. 60, 301 (2004)

M.A.L.da Silva, M.C.M.de Almeida, C.J.da Silva, J.U.Delgado

Use of the reference source method to determine the half-lives of radionuclides of importance in nuclear medicine

RADIOACTIVITY ⁶⁷Ga, ¹²³I(EC); ^99mTc(IT), (β^-); ¹³¹I(β^-); measured T_1/2 relative to ⁶⁰Co, ¹³⁷Cs. Reference source method.

doi: 10.1016/j.apradiso.2003.11.032
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2004DE02      Appl.Radiat.Isot. 60, 307 (2004)

K.C.de Souza, M.L.da Silva, J.U.Delgado, R.Poledna, R.T.Lopes, C.J.da Silva

Measurements of nuclear data parameters of ²⁰¹Tl by gamma-ray spectrometry

RADIOACTIVITY ²⁰¹Tl(EC); measured Eγ, Iγ, T_1/2; deduced emission probabilities.

doi: 10.1016/j.apradiso.2003.11.033
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2004MO07      Appl.Radiat.Isot. 60, 341 (2004)

J.Morel, S.Sepman, M.Rasko, E.Terechtchenko, J.U.Delgado

Precise determination of photon emission probabilities for the main X- and γ-rays of ²²⁶Ra in equilibrium with daughters

RADIOACTIVITY ²²⁶Ra(α); measured Eγ, Iγ, X-ray spectra; deduced photon emission probabilities.

doi: 10.1016/j.apradiso.2003.11.038
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2002BE04      Appl.Radiat.Isot. 56, 157 (2002)

E.M.O.Bernardes, J.U.Delgado, L.Tauhata, C.J.da Silva, A.Iwahara, R.Poledna, A.S.Paschoa

^166mHo: A multi-γ standard for the calibration of Ge spectrometers

RADIOACTIVITY ^166mHo(β^-); measured Eγ, Iγ, X-ray spectra, βγ-coin; deduced photon emission probabilities. ¹⁶⁶Er deduced transition intensities. Application to detector calibration discussed.

doi: 10.1016/S0969-8043(01)00182-8
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2002DA01      Appl.Radiat.Isot. 56, 169 (2002)

C.J.da Silva, J.U.Delgado, A.Iwahara, L.Tauhata, R.Poledna, R.N.Alves

Absolute Determination of Activity per Mass and Half-Life Measurements of ¹⁵²Eu

RADIOACTIVITY ¹⁵²Eu(β^-), (EC); measured Eγ, Iγ, βγ-coin, T_1/2; deduced source activity.

doi: 10.1016/S0969-8043(01)00184-1
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2002DE03      Appl.Radiat.Isot. 56, 137 (2002)

J.U.Delgado, J.Morel, M.Etcheverry

Measurements of Photon Emission Probabilities from the Decay of ²²⁶Ra and Daughters

RADIOACTIVITY ²²⁶Ra(α); measured Eγ, X-ray spectra; deduced emission probabilities.

doi: 10.1016/S0969-8043(01)00179-8
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2001DE06      Appl.Radiat.Isot. 54, 483 (2001)

J.U.Delgado, A.Iwahara, R.Poledna, C.J.Da Silva, R.T.Lopes, L.Tauhata

Absolute Measurements of Photon Emission Probabilities of ¹⁶⁹Yb

RADIOACTIVITY ¹⁶⁹Yb(EC); measured Eγ, Iγ, (EC)γ-coin, T_1/2; deduced photon emission probabilities.

doi: 10.1016/S0969-8043(00)00294-3
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2000IW06      Nucl.Instrum.Methods Phys.Res. A455, 607 (2000)

A.Iwahara, J.U.Delgado, R.Poledna, C.J.da Silva, R.T.Lopes

Absolute Measurements of γ-Ray Emission Probabilities of ¹⁶⁹Yb

RADIOACTIVITY ¹⁶⁹Yb(EC); measured Eγ, Iγ, (X-ray)γ-coin; deduced γ-ray and X-ray emission probabilities.

doi: 10.1016/S0168-9002(00)00526-X
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