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NSR database version of May 30, 2024.

Search: Author = M.F.Koskinas

Found 33 matches.

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2023KO26      Appl.Radiat.Isot. 202, 111070 (2023)

M.F.Koskinas, D.S.Moreira, I.M.Yamazaki, M.Colonno, R.Semmler, T.S.L.Morais, M.S.Dias

Primary standardization and Monte Carlo modeling of (243Am + 239Np) by means of a 4π(PC)-γ coincidence counting system

RADIOACTIVITY 243Am(α), 239Np(α), (EC); measured decay products, Eα, Iα, Eβ, Iβ, Eγ, Iγ; deduced activities. Comparison with Monte Carlo calculations by means of Code ESQUEMA. The Nuclear Metrology Laboratory (LMN) at the IPEN.

doi: 10.1016/j.apradiso.2023.111070
Citations: PlumX Metrics


2022BA07      Appl.Radiat.Isot. 184, 110122 (2022)

L.F.Barros, M.S.Dias, M.F.Koskinas

Experimental determination of k0 and Q0 values for 121Sb, 123Sb and 130Ba targets applying covariance analysis

NUCLEAR REACTIONS 121,123Sb, 130Ba(n, X), E thermal; measured reaction products, Eγ, Iγ; deduced γ-ray energies, k0 and Q0 values. The COVAR V.4.2 program was developed by the LMN (Nuclear Metrology Laboratory).

doi: 10.1016/j.apradiso.2022.110122
Citations: PlumX Metrics


2020YA20      Appl.Radiat.Isot. 164, 109237 (2020)

I.M.Yamazaki, M.F.Koskinas, D.S.Moreira, R.Semmler, F.Brancaccio, M.S.Dias

Primary standardization and determination of gamma ray emission intensities of Ho-166

RADIOACTIVITY 166Ho(β-) [from 165Ho(n, γ), E thermal]; measured decay products, Eβ, Iβ, Eγ, Iγ; deduced γ-ray energies and intensities.

doi: 10.1016/j.apradiso.2020.109237
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2019BA49      Appl.Radiat.Isot. 154, 108846 (2019)

L.F.Barros, R.V.Ribeiro, M.S.Dias, M.Moralles, R.Semmler, I.M.Yamazaki, M.F.Koskinas

Determination of k0 and Q0 for 74Se, 113In, 186W and 191Ir targets applying covariance analysis

NUCLEAR REACTIONS 74Se, 113In, 186W, 191Ir(n, γ), E thermal; measured reaction products, Eγ, Iγ; deduced activation parameters k0 and Q0.

doi: 10.1016/j.apradiso.2019.108846
Citations: PlumX Metrics


2019SA44      Phys.Rev. A 100, 022703 (2019)

O.C.B.Santos, V.R.Vanin, N.L.Maidana, M.N.Martins, M.H.Tabacniks, C.L.Rodrigues, T.F.Silva, A.D.Santos, S.F.Barros, J.A.Garcia-Alvarez, M.F.Koskinas, J.M.Fernandez-Varea, M.S.Pindzola

Experimental and theoretical cross sections for K-shell ionization of 52Te , 73Ta , and 83Bi by electrons with energies up to 100 keV

NUCLEAR REACTIONS Te, Ta, Bi(E, E'), E<100keV; measured reaction products, X-rays; deduced σ.

doi: 10.1103/PhysRevA.100.022703
Citations: PlumX Metrics


2018YA06      Appl.Radiat.Isot. 134, 312 (2018)

I.M.Yamazaki, M.F.Koskinas, D.S.Moreira, M.N.Takeda, M.S.Dias

Disintegration rate and gamma-ray emission probability per decay measurement of Cu-64

RADIOACTIVITY 64Cu(β+), (β-) [from 63Cu(n, γ), E thermal]; measured decay products, Eβ, Iβ, Eγ, Iγ; deduced 1345.7 keV γ-ray emission probability per decay. Comparison with available data.

doi: 10.1016/j.apradiso.2017.09.007
Citations: PlumX Metrics


2014DI03      Appl.Radiat.Isot. 87, 126 (2014)

M.S.Dias, F.Brancaccio, F.Toledo, M.F.Koskinas

Disintegration rate, gamma-ray emission probabilities and metastable half-life measurements of 67Ga

RADIOACTIVITY 67Ga(EC), (β+); measured decay products, Eγ, Iγ; deduced γ-ray emission probabilities, decay constant.

doi: 10.1016/j.apradiso.2013.11.001
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Data from this article have been entered in the XUNDL database. For more information, click here.


2014KO08      Appl.Radiat.Isot. 87, 118 (2014)

M.F.Koskinas, F.W.Lacerda, I.T.Matos, T.S.Nascimento, I.M.Yamazaki, M.N.Takeda, M.S.Dias

Determination of gamma-ray emission probabilities per decay of Ga-68

RADIOACTIVITY 68Ga(EC), (β+); measured decay products, Eγ, Iγ; deduced γ-ray intensities, energy levels. Comparison with available data.

doi: 10.1016/j.apradiso.2013.11.003
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Data from this article have been entered in the XUNDL database. For more information, click here.


2012FE13      Radiochim.Acta 100, 871 (2012)

F.A.Ferreira, Jr., N.L.Maidana, V.R.Vanin, M.S.Dias, M.F.Koskinas, N.Lopez-Pino

41K(n, γ)42K thermal and resonance integral cross section measurements

NUCLEAR REACTIONS 41K, 197Au(n, γ), E thermal; measured reaction products, Eγ, Iγ; deduced σ, Westcott factors, resonance integrals. Comparison with available data.

doi: 10.1524/ract.2012.1985
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset31722.


2012KO47      Appl.Radiat.Isot. 70, 2091 (2012)

M.F.Koskinas, K.C.Gishitomi, A.B.Brito, I.M.Yamazaki, M.S.Dias

Disintegration rate and gamma ray emission probability per decay measurement of 123I

RADIOACTIVITY 123I(EC); measured decay products, Eγ, Iγ; deduced gamma emission probabilities. Comparison with Monte Carlo calculations.

doi: 10.1016/j.apradiso.2012.02.078
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Data from this article have been entered in the XUNDL database. For more information, click here.


2011DI05      Appl.Radiat.Isot. 69, 960 (2011)

M.S.Dias, V.Cardoso, M.F.Koskinas, I.M.Yamazaki, R.Semmler, M.Moralles, G.S.Zahn, F.A.Genezini, M.O.de Menezes, A.M.G.Figueiredo

Measurements of k0 and Q0 values for 64Zn(n, γ)65Zn and 68Zn(n, γ)69mZn reactions with covariance analysis

NUCLEAR REACTIONS 64,68Zn, 59Co, 94,96Zr, 139La, 197Au(n, γ), E=epithermal; measured Eγ, Iγ; deduced k0 and Q0 factors, uncertainties.

doi: 10.1016/j.apradiso.2011.03.026
Citations: PlumX Metrics


2010DI02      Appl.Radiat.Isot. 68, 592 (2010)

M.S.Dias, V.Cardoso, M.F.Koskinas, I.M.Yamazaki

Determination of the neutron spectrum shape parameter α in k0 NAA methodology using covariance analysis

NUCLEAR REACTIONS 197Au, 94Zr, 64Zn, 45Sc, 139La(n, γ), E=thermal; measured Eγ, Iγ; deduced shape of neutron flux, covariances.

doi: 10.1016/j.apradiso.2009.09.065
Citations: PlumX Metrics


2010DI18      Appl.Radiat.Isot. 68, 1349 (2010)

Ma.S.Dias, F.F.V.Silva, M.F.Koskinas

Standardization and measurement of gamma-ray probability per decay of 177Lu

RADIOACTIVITY 177Lu(β-), (IT); measured decay products, Eγ, Iγ, Eβ, Iβ; deduced γ-ray spectra and emission probabilities. Comparison with available data, Monte Carlo simulations.

doi: 10.1016/j.apradiso.2009.12.023
Citations: PlumX Metrics


2010MO01      Appl.Radiat.Isot. 68, 596 (2010)

D.S.Moreira, M.F.Koskinas, I.M.Yamazaki, M.S.Dias

Determination of 51Cr and 241Am X-ray and gamma-ray emission probabilities per decay

RADIOACTIVITY 51Cr(EC); measured Eγ, Iγ, Eα, Iα, αγ-coin.; deduced γ-ray emission probabilities per decay. Comparison with Monte-Carlo code.

RADIOACTIVITY 241Am(α); measured Eγ, Iγ, Eα, Iα, αγ-coin.; deduced γ-ray emission probabilities per decay. Comparison with Monte-Carlo code.

doi: 10.1016/j.apradiso.2009.11.004
Citations: PlumX Metrics


2010MO06      Appl.Radiat.Isot. 68, 1566 (2010)

D.S.Moreira, M.F.Koskinas, M.S.Dias, I.M.Yamazaki

Determination of 198Au X-rays emission probabilities

RADIOACTIVITY 198Au(β-) [from 197Au(n, γ), E=thermal]; measured Eγ, Iγ, Ee, Ie; deduced β-branching, x-rays and γ-rays emission probabilities.

doi: 10.1016/j.apradiso.2009.11.053
Citations: PlumX Metrics


2009RA01      Radiochim.Acta 97, 63 (2009)

M.U.Rajput, N.L.Maidana, V.R.Vanin, M.S.Dias, M.F.Koskinas

Measurement of thermal neutron cross section and resonance integral for the165Ho(n, γ)166gHo reaction

NUCLEAR REACTIONS 165Ho(n, γ), E=thermal; measured Eγ, Iγ, cross section; deduced resonance integral. Compared results to existing data and evaluated databases.

doi: 10.1524/ract.2009.1575
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset31660.


2005MA90      Nucl.Instrum.Methods Phys.Res. A553, 559 (2005)

N.L.Maidana, M.N.Takeda, M.S.Dias, M.F.Koskinas, V.R.Vanin

Absolute measurement of 242gAm sources activities in the 241Am(n, γ) cross-section determination-Improvement by simulation

RADIOACTIVITY 242Am(β-), (EC) [from 241Am(n, γ)]; measured βγ-coin; deduced source activity. 241Am(α); measured Eα.

doi: 10.1016/j.nima.2005.07.024
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2004CA03      Appl.Radiat.Isot. 60, 185 (2004)

R.M.Castro, V.R.Vanin, O.Helene, P.R.Pascholati, N.L.Maidana, M.S.Dias, M.F.Koskinas

The interplay between the statistical correlations of γ-ray emission probabilities and efficiency calibration

RADIOACTIVITY 152Eu(EC), (β-); analyzed Eγ, Iγ, correlations. Application to efficiency calibration discussed.

doi: 10.1016/j.apradiso.2003.11.014
Citations: PlumX Metrics


2004CA04      Appl.Radiat.Isot. 60, 283 (2004)

R.M.Castro, V.R.Vanin, P.R.Pascholati, N.L.Maidana, M.S.Dias, M.F.Koskinas

Developing 152Eu into a standard for detector efficiency calibration

RADIOACTIVITY 152Eu(EC), (β-); measured Eγ, Iγ, γγ-coin. 152Sm deduced levels.

doi: 10.1016/j.apradiso.2003.11.029
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2004DI06      Appl.Radiat.Isot. 60, 683 (2004)

M.S.Dias, V.Cardoso, V.R.Vanin, M.F.Koskinas

Combination of nonlinear function and mixing method for fitting HPGe efficiency curve in the 59-2754 kev energy range

doi: 10.1016/j.apradiso.2003.10.011
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2004MA58      Phys.Rev. C 70, 014602 (2004)

N.L.Maidana, J.Mesa, V.R.Vanin, R.M.Castro, M.S.Dias, M.F.Koskinas

57Co(n, γ)58Co reaction cross section: Thermal and resonance integral measurements and energy dependence

NUCLEAR REACTIONS 57Co(n, γ), E=thermal, resonance; measured thermal and resonance integral σ; deduced resonance parameters, Maxwellian averaged σ. Activation technique, Reich-Moore multilevel resonant capture analysis.

doi: 10.1103/PhysRevC.70.014602
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset31547.


2004TA47      Braz.J.Phys. 34, 852 (2004)

M.N.Takeda, M.S.Dias, M.F.Koskinas

Monte Carlo Simulation of Activity Measurements by Means of 4πβ - γ Coincidence System

doi: 10.1590/S0103-97332004000500038
Citations: PlumX Metrics


2003DI01      Appl.Radiat.Isot. 58, 235 (2003)

M.S.Dias, M.F.Koskinas

Standardization of a 204Tl radioactive solution

RADIOACTIVITY 204Tl(β-), (EC); measured βγ-coin; deduced source standardization. Efficiency tracing technique.

doi: 10.1016/S0969-8043(02)00294-4
Citations: PlumX Metrics


2001FO01      Appl.Radiat.Isot. 54, 141 (2001)

K.A.Fonseca, M.F.Koskinas, M.S.Dias

Disintegration Rate Measurement of a 192Ir Solution

RADIOACTIVITY 192Ir(EC), (β-); measured Eγ, βγ-coin, decay rate.

doi: 10.1016/S0969-8043(00)00158-5
Citations: PlumX Metrics


2001MA88      Radiochim.Acta 89, 419 (2001)

N.L.Maidana, M.S.Dias, M.F.Koskinas

Measurement of the Thermal Neutron Capture Cross Section and Resonance Integral of Am-241

NUCLEAR REACTIONS 241Am(n, γ), E=thermal; measured σ; deduced resonance integral.

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset31518.


2001SI09      Appl.Radiat.Isot. 54, 443 (2001)

D.Simoes, M.F.Koskinas, M.S.Dias

Measurement of the Gamma-Ray Probability per Decay of 42K

RADIOACTIVITY 42K(β-) [from 41K(n, γ)]; measured Eγ, Iγ, βγ-coin; deduced γ emission probability per decay.

doi: 10.1016/S0969-8043(00)00271-2
Citations: PlumX Metrics


1998AT04      Appl.Radiat.Isot. 49, 1175 (1998)

M.R.P.Attie, M.F.Koskinas, M.S.Dias, K.A.Fonseca

Absolute Disintegration Rate Measurements of Ga-67

RADIOACTIVITY 67Ga(EC); measured (X-ray)γ-coin, T1/2. 67Zn deduced levels, isomer T1/2.

doi: 10.1016/S0969-8043(97)10041-0
Citations: PlumX Metrics


1998FO05      Appl.Radiat.Isot. 49, 1373 (1998)

K.A.Fonseca, M.F.Koskinas, M.S.Dias

Measurement of the Gamma-Ray Probability Per Decay of I-126

RADIOACTIVITY 126I(β+), (EC), (β-) [from 127I(n, 2n)]; measured βγ-, (X-ray)γ-coin; deduced γ-emission probabilities.

doi: 10.1016/S0969-8043(97)10077-X
Citations: PlumX Metrics


1995DI07      Appl.Radiat.Isot. 46, 945 (1995)

M.S.Dias, M.F.Koskinas

Accidental Summing Correction in 125I Activity Determination by the Sum-Peak Method

RADIOACTIVITY 125I(EC); measured X-ray spectra, γ(X-ray)-coin; deduced accidental summing correction in sum peak method.

doi: 10.1016/0969-8043(95)00188-J
Citations: PlumX Metrics


1994DI12      Proc.Intern.Conf.Nuclear Data for Science and Technology, Gatlinburg, Tennesse, 9-13 May, 1994, J.K.Dickens, Ed., American Nuclear Society, Vol.1, p.257 (1994)

M.S.Dias, L.P.Geraldo, M.F.Koskinas

Measurement of the average cross sections in U-235 fission neutron spectrum for threshold reactions in 95, 98Mo, 127I and 31P

NUCLEAR REACTIONS 31P(n, p), 95Mo(n, p), 98Mo(n, α), 127I(n, 2n), E=1.5 MeV; measured products, 95Zr, 4He, 95Nb, Eπ, Iπ; deduced σ, σ(E). Data were imported from EXFOR entry 31448.

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset31448.


1993KO49      Appl.Radiat.Isot. 44, 1209 (1993)

M.F.Koskinas, M.S.Dias

Measurement of the Gamma-Ray Probability per Decay of Si-31

RADIOACTIVITY 31Si(β-); measured βγ-coin, γ-spectra. 31P deduced transition γ emission probability. Hyperpure Ge spectrometer, 4π βγ-coincidence method.

doi: 10.1016/0969-8043(93)90066-J
Citations: PlumX Metrics


1992GE07      Radiochim.Acta 57, 63 (1992)

L.P.Geraldo, M.S.Dias, M.F.Koskinas

Average Neutron Cross Section Measurements in U-235 Fission Spectrum for Some Threshold Reactions

NUCLEAR REACTIONS 58Ni, 127I, 55Mn(n, 2n), 63Cu(n, α), 31P(n, p), E=reactor; measured σ. Activation technique, high resolution γ-ray spectroscopy, fission neutrons.

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset31447.


1989KO25      Nucl.Instrum.Methods Phys.Res. A280, 327 (1989)

M.F.Koskinas, M.S.Dias

A Coincidence System for Radionuclide Standardization using Surface Barrier Detectors

RADIOACTIVITY 109Cd(EC); 241Am(α); 137Cs(β-); measured αγ-, (ce)(X-ray)-coin; deduced activity. Radionuclide standardization, surface barrier detectors.

doi: 10.1016/0168-9002(89)90928-5
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