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Search: Author = V.R.Vanin

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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

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.

2009MA18      Phys.Rev. C 79, 048501 (2009)

N.L.Maidana, L.Brualla, J.R.B.Oliveira, M.A.Rizzutto, N.Added, J.M.Fernandez-Varea, V.R.Vanin

Observation of double electron-positron pair production by γ rays reexamined

NUCLEAR REACTIONS 19F(p, αγ)16O, E=1.378 MeV; measured Eγ, Iγ, γγ-coin. Double electron-positron pair production by γ rays.

doi: 10.1103/PhysRevC.79.048501
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.

2007VA21      Nucl.Data Sheets 108, 2393 (2007)

V.R.Vanin, N.L.Maidana, R.M.Castro, E.Achterberg, O.A.Capurro, G.V.Marti

Nuclear Data Sheets for A = 191

COMPILATION 191W, 191Re, 191Os, 191Ir, 191Pt, 191Au, 191Hg, 191Tl, 191Pb, 191Bi, 191Po, 191At; compiled evaluated structure data.

doi: 10.1016/j.nds.2007.10.002
Citations: PlumX Metrics

2006AC01      Nucl.Data Sheets 107, 1 (2006)

E.Achterberg, O.A.Capurro, G.V.Marti, V.R.Vanin, R.M.Castro

Nuclear Data Sheets for A = 193

COMPILATION 193Re, 193Os, 193Ir, 193Pt, 193Au, 193Hg, 193Tl, 193Pb, 193Bi, 193Po, 193At; compiled, evaluated structure data.

doi: 10.1016/j.nds.2005.12.001
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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.

2002HE06      Nucl.Instrum.Methods Phys.Res. A481, 626 (2002)

O.Helene, V.R.Vanin

Analysis of Discrepant Data using a Bootstrap Procedure

RADIOACTIVITY 3H, 90Sr, 137Cs; analyzed T1/2. Bootstrap procedure for analysis of discrepant data.

doi: 10.1016/S0168-9002(01)01377-8
Citations: PlumX Metrics

2002LE16      Phys.Rev. C65, 054318 (2002)

A.Lepine-Szily, J.M.Oliveira, Jr., V.R.Vanin, A.N.Ostrowski, R.Lichtenthaler, A.Di Pietro, V.Guimaraes, A.M.Laird, L.Maunoury, G.F.Lima, F.de Oliveira Santos, P.Roussel-Chomaz, H.Savajols, W.Trinder, A.C.C.Villari, A.de Vismes

Observation of the Particle-Unstable Nucleus 10N

NUCLEAR REACTIONS 7Li, 10,11B, 12C(14N, 14B), E=30 MeV/nucleon; measured particle spectra. 10N deduced ground-state resonance energy, width.

doi: 10.1103/PhysRevC.65.054318
Citations: PlumX Metrics

2001HE08      Nucl.Instrum.Methods Phys.Res. A460, 289 (2001)

O.Helene, Z.O.Guimaraes-Filho, V.R.Vanin, T.M.Pauliquevis, Jr., I.D.Goldman, P.R.Pascholati

Covariances between Gamma-Ray Energies

COMPILATION A=22-203; compiled γ-energy correlation coefficients. Application to detector calibration discussed.

doi: 10.1016/S0168-9002(00)01067-6
Citations: PlumX Metrics

2001HE41      Braz.J.Phys. 31, 8 (2001)

O.Helene, C.Takiya, V.R.Vanin

Variances and Covariances in Deconvolution of Multichannel Spectra: 34S(γ, xn) Cross Section

NUCLEAR REACTIONS 34S(γ, xn), E=10.4-29.4 MeV; analyzed neutron yields, spectra; deduced σ. Least squares method, minimum variance regularization procedure.

doi: 10.1590/s0103-97332001000100002
Citations: PlumX Metrics

1999HE26      Nucl.Instrum.Methods Phys.Res. A433, 592 (1999)

O.Helene, V.R.Vanin, S.P.Tsai

Improvement of 192Ir and 152Eu Gamma-Ray Calibration Energies by using a Self-Calibration Procedure

RADIOACTIVITY 192Ir, 152Eu(β-), (EC); measured Eγ, Iγ; deduced uncertainties. Self-calibration procedure.

doi: 10.1016/S0168-9002(99)00474-X
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1999LE45      Phys.Rev. C60, 044309 (1999)

G.Levinton, A.J.Kreiner, M.A.Cardona, M.E.Debray, D.Hojman, J.Davidson, G.Marti, A.Burlon, M.Davidson, D.R.Napoli, M.De Poli, D.Bazzacco, N.Blasi, S.M.Lenzi, G.Lo Bianco, C.Rossi Alvarez, V.R.Vanin

Nonidentical Twin Bands in Doubly Odd 170Lu

NUCLEAR REACTIONS 164Dy(11B, 5n), E=63 MeV; measured Eγ, Iγ, γγ-coin. 170Lu deduced high-spin levels, J, π, B(M1)/B(E2), configurations, nonidentical twin bands. Gasp array.

doi: 10.1103/PhysRevC.60.044309
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Data from this article have been entered in the XUNDL database. For more information, click here.

1995MO08      Appl.Radiat.Isot. 46, 133 (1995)

M.Moralles, P.R.Pascholati, V.R.Vanin, O.Helene

Decay of 159Gd

RADIOACTIVITY 159Gd(β-); measured Eγ, Iγ, γγ-coin. 159Tb deduced levels, γ transition related features.

doi: 10.1016/0969-8043(94)00101-5
Citations: PlumX Metrics

1994DE04      Nucl.Phys. A568, 141 (1994)

M.E.Debray, A.J.Kreiner, M.Davidson, J.Davidson, D.Hojman, D.Santos, V.R.Vanin, N.Schulz, M.Aiche, A.Chevallier, J.Chevallier, J.C.Sens

Alternating Parity Bands in Doubly Odd 218Ac129 and Octupole Instability in the Light Actinide Region

NUCLEAR REACTIONS 209Bi(12C, 3n), E=70, 72 MeV; 209Bi(13C, 4n), E not given; measured I(ce), γγ-coin, γγ(t), DCO ratios. 218Ac deduced levels, J, π, band structure, shape features, γ-multipolarity, ICC, B(λ) ratios. Comparison with neighboring nuclei.

doi: 10.1016/0375-9474(94)90008-6
Citations: PlumX Metrics

1994GO01      Phys.Rev. C49, 245 (1994)

P.R.S.Gomes, I.C.Charret, R.Wanis, G.M.Sigaud, V.R.Vanin, R.Liguori Neto, D.Abriola, O.A.Capurro, D.E.DiGregorio, M.di Tada, G.Duchene, M.Elgue, A.Etchegoyen, J.O.Fernandez Niello, A.M.J.Ferrero, S.Gil, A.O.Macchiavelli, A.J.Pacheco, J.E.Testoni

Fusion of 32S + 154Sm at Sub-Barrier Energies

NUCLEAR REACTIONS 154Sm(32S, xnypzα), E=122-155 MeV; measured E X-ray, I X-ray; deduced fusion-evaporation σ(E); calculated evaporation residue, fission, fusion σ(E). 154Sm(α, X), (12C, X), (16O, X), (28Si, X), (32S, X), (40Ar, X), E not given; calculated fusion σ(E).

doi: 10.1103/PhysRevC.49.245
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1993HE19      Nucl.Instrum.Methods Phys.Res. A335, 227 (1993)

O.Helene, V.R.Vanin

Gamma-Ray Calibration Energies: A review of the 192Ir data

RADIOACTIVITY 192Ir(EC), (β-); 192Au(EC), (β+); analyzed Eγ data. 192Au deduced transition energy. Curved crystal spectrometer, Eγ fundamental constants covariance matrix.

doi: 10.1016/0168-9002(93)90274-L
Citations: PlumX Metrics

1993VE06      Appl.Radiat.Isot. 44, 999 (1993)

L.Venturini, V.R.Vanin

HPGe Detector Efficiency Calibration for Extended Sources in the 50-1400 keV Energy Range

RADIOACTIVITY 241Am(α); 57Co(EC); 60Co(β-); 133Ba(EC); 134Cs(EC), (β-); measured Eγ, Iγ; deduced detector efficiency calibration. Extended sources, hyperpure Ge detector.

doi: 10.1016/0969-8043(93)90002-R
Citations: PlumX Metrics

1992RI09      Z.Phys. A344, 221 (1992)

M.A.Rizzutto, E.W.Cybulska, V.R.Vanin, J.R.B.Oliveira, L.G.R.Emediato, R.V.Ribas, W.A.Seale, M.N.Rao, N.H.Medina, S.Botelho, J.C.Acquadro, C.L.Lima

Nuclear Structure in Odd-Odd Nucleus 138Pr

NUCLEAR REACTIONS 128Te(14N, 4nγ), E=55-63 MeV; measured γγ-coin. 138Pr deduced levels, J, π, configuration, band structure.

doi: 10.1007/BF01291707
Citations: PlumX Metrics

1991SC19      Z.Phys. A339, 325 (1991)

N.Schulz, V.R.Vanin, A.J.Kreiner, E.Ruchowska, M.Aiche, Ch.Briancon, A.Chevallier, J.Chevallier, M.E.Debray, J.C.Sens

Hybridized Bands and Parity Splitting in the Odd-Odd Nucleus 220Ac

NUCLEAR REACTIONS 209Bi(14C, 3n), E=72 MeV; measured γγ-coin, Eγ, Iγ, DCO ratios. 220Ac deduced levels, J, π, γ-multipolarity, band structure, B(λ) ratios.

doi: 10.1007/BF01560633
Citations: PlumX Metrics

1990GI07      Phys.Rev.Lett. 65, 3100 (1990)

S.Gil, D.Abriola, D.E.DiGregorio, M.diTada, M.Elgue, A.Etchegoyen, M.C.Etchegoyen, J.Fernandez Niello, A.M.J.Ferrero, A.O.Macchiavelli, A.J.Pacheco, J.E.Testoni, P.Silveira-Gomes, V.R.Vanin, A.Charlop, A.Garcia, S.Kailas, S.J.Luke, E.Renshaw, R.Vandenbosch

Observation of Mean-Spin Barrier Bump in Sub-Barrier Fusion of 28Si with 154Sm

NUCLEAR REACTIONS, ICPND 154Sm(28Si, X), E=107-144 MeV; 166Er(16O, X), E=75-100 MeV; measured γ-multiplicity; deduced fusion σ(E). 182Os deduced spin distribution first moment vs E.

doi: 10.1103/PhysRevLett.65.3100
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1990IS06      Z.Phys. A335, 243 (1990)

M.C.P.Isaac, V.R.Vanin, O.A.M.Helene

The Internal Bremsstrahlung following the Electron Capture Decay of 55Fe

RADIOACTIVITY 55Fe(EC); measured internal bremsstrahlung spectra following EC-capture; deduced intensity relative to K-capture, Q(EC).

1990SC06      Z.Phys. A335, 107 (1990)

N.Schulz, V.R.Vanin, M.Aiche, Ch.Briancon, A.Chevallier, J.Chevallier, M.E.Debray, A.J.Kreiner, E.Ruchowska, J.C.Sens

Observation of Parity Doublets in the Odd-Odd Nucleus 220Ac

NUCLEAR REACTIONS 209Bi(14C, 3n), E not given; measured γ-sum spectra, multiplicities. 220Ac deduced levels, J, π, γ-multipolarity, B(λ) ratios, shape features.

1990SC23      Z.Phys. A336, 313 (1990)

A.M.S.Scardino, O.Helene, P.R.Pascholati, V.R.Vanin

Beta Decay of 57Ni

RADIOACTIVITY 57Ni [from 58Ni(γ, n)]; measured Eγ, Iγ, γγ-coin. 57Co deduced levels, J, π, Iγ.

1989DI01      Phys.Rev. C39, 516 (1989)

D.E.DiGregorio, M.diTada, D.Abriola, M.Elgue, A.Etchegoyen, M.C.Etchegoyen, J.O.Fernandez Niello, A.M.J.Ferrero, S.Gil, A.O.Macchiavelli, A.J.Pacheco, J.E.Testoni, P.R.Silveira Gomes, V.R.Vanin, R.Liguori Neto, E.Crema, R.G.Stokstad

Subbarrier Fusion of 16O + 147,149Sm

NUCLEAR REACTIONS, ICPND 147,149Sm(16O, X), (16O, n), (16O, 3n), (16O, 4n), (16O, xnα), E=61-75 MeV; measured fusion σ(E), residual relative yield vs E.

doi: 10.1103/PhysRevC.39.516
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1606.

1989KR06      Phys.Rev. C40, R487 (1989)

A.J.Kreiner, V.R.Vanin, F.A.Beck, Ch.Bourgeois, Th.Byrski, D.Curien, G.Duchene, B.Haas, J.C.Merdinger, M.G.Porquet, P.Romain, S.Rouabah, D.Santos, J.P.Vivien

Double Blocking in Doubly Odd Deformed Nuclei: The case of 178Re

NUCLEAR REACTIONS 165Ho(18O, 5n), E=98 MeV; measured γγ-coin. 178Re deduced levels, J, π, band structure, dynamical moments of inertia, configurations. Double blocking technique.

doi: 10.1103/PhysRevC.40.R487
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1989PA24      Nucl.Instrum.Methods Phys.Res. A281, 610 (1989)

P.R.Pascholati, V.R.Vanin, T.Kodama

A Matricial Method to Obtain Sub-Barrier Fusion Cross Sections from Off-Line X-Ray Measurements

NUCLEAR REACTIONS, ICPND 149Sm(16O, X), E(cm) ≈ 59.64 MeV; analyzed X-ray spectra following fusion evaporation; deduced fusion σ. 149Sm(16O, 2n), (16O, 3n), (16O, 4n), (16O, 5n), (16O, 6n), E(cm) ≈ 55-67 MeV; analyzed data; deduced fusion σ(E).

doi: 10.1016/0168-9002(89)91497-6
Citations: PlumX Metrics

1989VA22      Nucl.Instrum.Methods Phys.Res. A284, 452 (1989)

V.R.Vanin, M.Aiche

Statistical Analysis of γ-γ Coincidence Matrices

NUCLEAR REACTIONS 208Pb(14C, 4n), E not given; analyzed γγ-coin. 218Ra deduced levels.

doi: 10.1016/0168-9002(89)90317-3
Citations: PlumX Metrics

1986DI08      Phys.Lett. 176B, 322 (1986)

D.E.Di Gregorio, J.O.Fernandez Niello, A.J.Pacheco, D.Abriola, S.Gil, A.O.Macchiavelli, J.E.Testoni, P.R.Pascholati, V.R.Vanin, R.Liguori Neto, N.Carlin Filho, M.M.Coimbra, P.R.Silveira Gomes, R.G.Stokstad

Fusion of 16O + 144Sm at Sub-Barrier Energies

NUCLEAR REACTIONS, ICPND 144Sm(16O, X), E=63-72 MeV; measured (X-ray)(t); deduced fusion σ(E).

doi: 10.1016/0370-2693(86)90172-3
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1720.

1985VA15      Phys.Rev. C32, 1349 (1985)

V.R.Vanin, A.Passaro, A.M.P.Passaro

Decays of 101mRh and 101gRh

RADIOACTIVITY 101mRh(IT), (EC); 101Rh(EC) [from 103Rh(γ, 2n), E=26, 31 MeV bremsstrahlung]; measured Eγ, Iγ, γγ-coin; deduced log ft. 101Ru deduced levels. Ge(Li), hyperpure Ge detectors.

NUCLEAR STRUCTURE 101Ru; calculated levels, B(E2), spectroscopic factors. Quasiparticle-phonon model.

doi: 10.1103/PhysRevC.32.1349
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