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NSR database version of May 24, 2024.

Search: Author = D.Vieira

Found 74 matches.

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2024GO04      Phys.Rev. C 109, 044604 (2024)

M.E.Gooden, R.C.Malone, T.A.Bredeweg, E.M.Bond, S.W.Finch, C.R.Howell, Krishichayan, A.P.D.Ramirez, J.A.Silano, M.A.Stoyer, A.P.Tonchev, W.Tornow, D.Vieira, J.B.Wilhelmy

Energy dependence of fission product yields in the second-chance fission region

doi: 10.1103/PhysRevC.109.044604
Citations: PlumX Metrics


2019EB01      Phys.Rev. C 99, 064603 (2019)

A.Ebran, O.Roig, V.Meot, M.Jandel, C.Theroine, E.M.Bond, T.A.Bredeweg, A.Couture, F.M.Nortier, J.M.O'Donnell, W.A.Taylor, J.L.Ullmann, D.J.Vieira

Cross section for the neutron radiative capture on 173Lu nuclei

NUCLEAR REACTIONS 173,174,175Lu(n, γ), (n, X), E=0.025-200 eV; measured Eγ, Iγ, and neutron radiative capture σ(E) using the DANCE detector with high-γ activity target at the Los Alamos Neutron Science Center (LANSCE) spallation neutron source facility; deduced resonance energies, J, Γγ, Γn for 102 resonances from 3.1-202.8 eV for 173Lu(n, γ). TALYS and SAMMY codes used for analysis of resonance data, and QRPA model for interpretation of the high gamma activity target.

doi: 10.1103/PhysRevC.99.064603
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14410. Data from this article have been entered in the XUNDL database. For more information, click here.


2017UL01      Phys.Rev. C 96, 024627 (2017), Erratum Phys.Rev. C 96, 019902 (2017)

J.L.Ullmann, T.Kawano, B.Baramsai, T.A.Bredeweg, A.Couture, R.C.Haight, M.Jandel, J.M.O'Donnell, R.S.Rundberg, D.J.Vieira, J.B.Wilhelmy, M.Krticka, J.A.Becker, A.Chyzh, C.Y.Wu, G.E.Mitchell

Constraining the calculation of 234, 236, 238U (n, γ) cross sections with measurements of the γ-ray spectra at the DANCE facility

NUCLEAR REACTIONS 234U(n, γ), E=31, 77 eV; 236U(n, γ), E=44, 71 eV; 238U(n, γ), E=21, 36, 66, 102 eV; measured Eγ, Iγ for 1/2+ neutron-resonances using the Detector for Advanced Neutron Capture Experiments (DANCE) at Los Alamos Neutron Science Center (LANSC); deduced total radiation widths Γγ of s-wave 1/2+ resonances using different models of photon strength function (PSF) and nuclear level-density (NLD) parametrizations, and significant contribution to Γγ from a resonance structure at Eγ=2-3 MeV, identified with the M1 scissors mode; comparison of measured and summed γ spectra with calculations using the PSF and NLD parameters obtained from the Oslo method, from renormalized Oslo results, from systematics used in the CoH3 code, and from the MGLO and CoH3 models for the E1 strength. 234,236,238U(n, γ), E=1-500 keV; calculated σ(E) and compared with previous experimental data listed in the EXFOR database, and with ENDFB/VII-1 evaluation.

doi: 10.1103/PhysRevC.96.024627
Citations: PlumX Metrics


2016DE30      Phys.Rev. C 94, 054612 (2016)

D.Denis-Petit, O.Roig, V.Meot, B.Morillon, P.Romain, M.Jandel, T.Kawano, D.J.Vieira, E.M.Bond, T.A.Bredeweg, A.J.Couture, R.C.Haight, A.L.Keksis, R.S.Rundberg, J.L.Ullmann

Isomeric ratio measurements for the radiative neutron capture 176Lu(n, γ) at the LANL DANCE facility

NUCLEAR REACTIONS 176Lu(n, γ), E=8.5 eV-100 keV; measured Eγ, Iγ, delayed γ spectra using DANCE array at the LANSCE-LANL facility; deduced isomeric ratios to the 5/2-, 761.7 keV and 15/2+, 1356.9 keV nanosecond isomers in 177Lu. Comparison with TALYS calculations using different models for photon strength functions, level densities, and optical potentials.

doi: 10.1103/PhysRevC.94.054612
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14455.


2016GO02      Nucl.Data Sheets 131, 319 (2016)

M.E.Gooden, C.W.Arnold, J.A.Becker, C.Bhatia, M.Bhike, E.M.Bond, T.A.Bredeweg, B.Fallin, M.M.Fowler, C.R.Howell, J.H.Kelley, Krishichayan, R.Macri, G.Rusev, C.Ryan, S.A.Sheets, M.A.Stoyer, A.P.Tonchev, W.Tornow, D.J.Vieira, J.B.Wilhelmy

Energy Dependence of Fission Product Yields from 235U, 238U and 239Pu for Incident Neutron Energies Between 0.5 and 14.8 MeV

NUCLEAR REACTIONS 235,238U, 239Pu(n, F), E=0.5-14.8 MeV; measured reaction products, Eγ, Iγ; deduced fission yields.

doi: 10.1016/j.nds.2015.12.006
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14555.


2016RO08      Phys.Rev. C 93, 034602 (2016)

O.Roig, M.Jandel, V.Meot, E.M.Bond, T.A.Bredeweg, A.J.Couture, R.C.Haight, A.L.Keksis, R.S.Rundberg, J.L.Ullmann, D.J.Vieira

Radiative neutron capture cross sections on 176Lu at DANCE

NUCLEAR REACTIONS 176Lu(n, γ), E=0.02-100 keV; measured Eγ, Iγ, neutron flux, σ(E) using 4π BaF2 array DANCE at LANSCE-LANL; deduced radiative capture yield as function of neutron energy, resonances from 0.138-906 eV, J, Γγ and Γn versus neutron energy, resonance parameters using R-matrix analysis with SAMMY-7.0 code, Maxwellian averaged cross sections (MACS) in a stellar plasma for thermal energies between 5-100 keV. Comparison with theoretical calculations and evaluations in Atlas of Neutron resonances (2006), ENSDF/B-VII.1, JEFF-3.2, BRC and KADoNiS databases, and with previous experimental data.

doi: 10.1103/PhysRevC.93.034602
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14244. Data from this article have been entered in the XUNDL database. For more information, click here.


2015BE11      Phys.Rev. C 91, 044605 (2015)

G.Belier, E.M.Bond, D.J.Vieira, N.Authier, J.A.Becker, D.Hyneck, X.Jacquet, Y.Jansen, J.Legendre, R.Macri, V.Meot, P.Romain

Integral cross section measurement of the 235U(n, n')235mU reaction in a pulsed reactor

NUCLEAR REACTIONS 235U(n, n'), E=0.001 eV-10 MeV; measured conversion electron spectrum from the decay of 235mU, half-lives of the 235U isomer for α-recoil implanted samples or for electrodeposited samples with different backing materials, integral cross section at CALIBAN pulsed reactor facility. Comparison with TALYS-1.4 code calculations for isomer excitation and total neutron inelastic scattering cross section.

RADIOACTIVITY 235mU(IT)[from 235U(n, n'), E=0.001 eV-10 MeV]; measured electron spectrum, isomer half-lives α-recoil implanted samples or for electrodeposited samples with seven different backing materials.

doi: 10.1103/PhysRevC.91.044605
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23256. Data from this article have been entered in the XUNDL database. For more information, click here.


2015BH09      Phys.Rev. C 91, 064604 (2015)

C.Bhatia, B.F.Fallin, M.E.Gooden, C.R.Howell, J.H.Kelley, W.Tornow, C.W.Arnold, E.Bond, T.A.Bredeweg, M.M.Fowler, W.Moody, R.S.Rundberg, G.Y.Rusev, D.J.Vieira, J.B.Wilhelmy, J.A.Becker, R.Macri, C.Ryan, S.A.Sheets, M.A.Stoyer, A.P.Tonchev

Exploratory study of fission product yields of neutron-induced fission of 235U, 238U, and 239Pu at 8.9 MeV

NUCLEAR REACTIONS 235,238U, 239Pu(n, F), E=8.9 MeV; measured Eγ, Iγ of fission products of 92Sr, 97Zr, 99Mo, 105Ru, 132Te, 133I, 140Ba, 143Ce, 147Nd at TUNL facility; deduced absolute fission product yields by γ activation method. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.91.064604
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14423.


2015JA07      Eur.Phys.J. A 51, 179 (2015)

M.Jandel, B.Baramsai, E.Bond, G.Rusev, C.Walker, T.A.Bredeweg, M.B.Chadwick, A.Couture, M.M.Fowler, A.Hayes, T.Kawano, S.Mosby, I.Stetcu, T.N.Taddeucci, P.Talou, J.L.Ullmann, D.J.Vieira, J.B.Wilhelmy

Capture and fission with DANCE and NEUANCE

doi: 10.1140/epja/i2015-15179-7
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2014BH11      Nucl.Data Sheets 119, 324 (2014)

C.Bhatia, B.Fallin, C.Howell, W.Tornow, M.Gooden, J.Kelley, C.Arnold, E.Bond, T.Bredeweg, M.Fowler, W.Moody, R.Rundberg, G.Rusev, D.Vieira, J.Wilhelmy, J.Becker, R.Macri, C.Ryan, S.Sheets, M.Stoyer, A.Tonchev

Fission Product Yield Study of 235U, 238U and 239Pu Using Dual-Fission Ionization Chambers

NUCLEAR REACTIONS 235,238U, 239Pu(n, F), E=4.6, 9.0, 14.5 MeV; measured Eγ, Iγ(t) from fission fragments using dual fission chamber; deduced fission products yield ratio. Compared with other data and libraries.

doi: 10.1016/j.nds.2014.08.089
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14423.


2014KR08      Nucl.Data Sheets 119, 158 (2014)

J.Kroll, U.Agvaanluvsan, B.Baramsai, J.A.Becker, F.Becvar, T.A.Bredeweg, A.Chyzh, A.Couture, D.Dashdorj, R.C.Haight, M.Jandel, A.L.Keksis, M.Krticka, G.E.Mitchell, J.M.O'Donnell, W.Parker, R.S.Rundberg, J.L.Ullmann, S.Valenta, D.J.Vieira, C.L.Walker, J.B.Wilhelmy, J.M.Wouters, C.Y.Wu

Systematics of Scissors Mode in Gd Nuclei from Experiments with the DANCE Detector

NUCLEAR REACTIONS 152,154,155,156,157,158Gd(n, γ), E=subthermal-1 MeV; measured Eγ, Iγ using ToF LANSCE/DANCE array (BaF2); calculated γ emission, γ cascades using MSC code DICEBOX with fitted parameters and all models of RIPL-3; deduced M1 scissors mode vibrations; calculated scissors mode B(M1) vs deformation for (n, γ), (γ, γ') and 3He-induced reactions data.

doi: 10.1016/j.nds.2014.08.044
Citations: PlumX Metrics


2014RO17      Nucl.Data Sheets 119, 165 (2014)

O.Roig, C.Theroine, A.Ebran, V.Meot, E.M.Bond, T.A.Bredeweg, A.Couture, R.C.Haight, M.Jandel, F.M.Nortier, J.M.O'Donnell, R.S.Rundberg, W.A.Taylor, J.L.Ullmann, D.J.Vieira

Measurement of 173Lu(n, γ) Cross Sections at DANCE

NUCLEAR REACTIONS 173Lu(n, γ), E=0-200 eV[target from Hf(p, xn)]; measured Eγ, Iγ using DANCE array; deduced radiative capture yield vs neutron energy, reduced neutron width vs neutron energy, resonances, resonance parameters; calculated radiative neutron capture σ from resonance parameters using SAMMY-7.0, σ from ROSFOND2010 data using TALYS.

doi: 10.1016/j.nds.2014.08.046
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14410.


2014UL01      Phys.Rev. C 89, 034603 (2014)

J.L.Ullmann, T.Kawano, T.A.Bredeweg, A.Couture, R.C.Haight, M.Jandel, J.M.O'Donnell, R.S.Rundberg, D.J.Vieira, J.B.Wilhelmy, J.A.Becker, A.Chyzh, C.Y.Wu, B.Baramsai, G.E.Mitchell, M.Krticka

Cross section and γ-ray spectra for 238U(n, γ) measured with the DANCE detector array at the Los Alamos Neutron Science Center

NUCLEAR REACTIONS 238U(n, γ), E=1-500 keV; measured Eγ, Iγ, σ(E) using DANCE array at LANSCE-LLNL spallation neutron source facility. Comparison with Hauser-Feshbach calculations using CoH3 computer code and cascade spectra calculations by DICEBOX code using level data from ENSDF database, with evaluated cross section in ENDF/B-VII.1, and with previous experimental data. M1 scissors mode contribution to the radiative strength function.

doi: 10.1103/PhysRevC.89.034603
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14310.


2014UL02      Nucl.Data Sheets 119, 22 (2014)

J.L.Ullmann, S.Mosby, T.A.Bredeweg, A.J.Couture, R.C.Haight, M.Jandel, T.Kawano, J.M.O'Donnell, R.S.Rundberg, D.J.Vieira, J.B.Wilhelmy, C.-Y.Wu, J.A.Becker, A.Chyzh, B.Baramsai, G.E.Mitchell, M.Krticka

Neutron Capture Cross Sections and Gamma Emission Spectra from Neutron Capture on 234, 236, 238U Measured with DANCE

NUCLEAR REACTIONS 234,236,238U(n, γ), E=10 eV-700 keV; measured Eγ, Iγ using DANCE at LANSCE; deduced two-step cascade γ-ray spectrum. 238U deduced σ. Cross sections compared with data and ENDF/B-VII.

doi: 10.1016/j.nds.2014.08.008
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14310.


2013BA15      Phys.Rev. C 87, 044609 (2013)

B.Baramsai, J.Kroll, G.E.Mitchell, U.Agvaanluvsan, F.Becvar, T.A.Bredeweg, A.Chyzh, A.Couture, D.Dashdorj, R.C.Haight, M.Jandel, A.L.Keksis, M.Krticka, J.M.O'Donnell, R.S.Rundberg, J.L.Ullmann, D.J.Vieira, C.L.Walker

Photon strength functions of 156Gd from radiative capture of resonance neutrons

NUCLEAR REACTIONS 155Gd(n, γ), E=7.8, 21.0 eV; measured Eγ, Iγ, sum energy spectra, cluster multiplicity of γ cascades using DANCE γ-ray calorimeter at LANSCE facility; deduced spectra of multistep γ cascades (MSCs) and those of gated MSCs, E1 and M1 photon strength functions, scissors mode. DICEBOX algorithm. Validity of various photon strength functions (PSF), and nuclear level density (NLD) models Comparison with previous experimental studies, and with theoretical calculations.

doi: 10.1103/PhysRevC.87.044609
Citations: PlumX Metrics


2013KR07      Phys.Scr. T154, 014009 (2013)

J.Kroll, F.Becvar, M.Krticka, S.Valenta, B.Baramsai, G.E.Mitchell, C.L.Walker, T.A.Bredeweg, A.Couture, R.C.Haight, M.Jandel, J.M.O'Donnell, R.S.Rundberg, J.L.Ullmann, D.J.Vieira, J.B.Wilhelmy, J.M.Wouters, J.A.Becker, A.Chyzh, D.Dashdorj, W.Parker, C.Y.Wu

Scissors mode of Gd nuclei measured, with the DANCE detector

NUCLEAR REACTIONS 152,154,155,156,157,158Gd(n, γ), E<1 MeV; measured reaction products, Eγ, Iγ; deduced photon strength, summed scissors-mode strength B(M1). Comparison with available data.

doi: 10.1088/0031-8949/2013/T154/014009
Citations: PlumX Metrics


2013KR11      Phys.Rev. C 88, 034317 (2013)

J.Kroll, B.Baramsai, G.E.Mitchell, U.Agvaanluvsan, F.Becvar, T.A.Bredeweg, A.Chyzh, A.Couture, D.Dashdorj, R.C.Haight, M.Jandel, A.L.Keksis, M.Krticka, J.M.O'Donnell, W.Parker, R.S.Rundberg, J.L.Ullmann, S.Valenta, D.J.Vieira, C.Walker, C.Y.Wu

Strength of the scissors mode in odd-mass Gd isotopes from the radiative capture of resonance neutrons

NUCLEAR REACTIONS 152,154,156,158Gd(n, γ), E<1 MeV white neutron spectrum; measured multistep cascade (MSC) γ spectra for different multiplicities and several resolved s-wave resonances using DANCE array at LANSCE, LANL facility; deduced E1 and M1 photon strength functions, level density. GEANT4-based simulations. Comparison with several model calculations of photon strength functions (PSF) and nuclear level densities (NLD) for deformed nuclei, and with experimental data from other reactions. Discussed scissors mode in odd-A Gd isotopes from summed reduced M1 strengths. Evidence of odd-even effect in strength of scissors mode.

doi: 10.1103/PhysRevC.88.034317
Citations: PlumX Metrics


2013UL01      Phys.Rev. C 87, 044607 (2013)

J.L.Ullmann, E.M.Bond, T.A.Bredeweg, A.Couture, R.C.Haight, M.Jandel, T.Kawano, H.Y.Lee, J.M.O'Donnell, A.C.Hayes, I.Stetcu, T.N.Taddeucci, P.Talou, D.J.Vieira, J.B.Wilhelmy, J.A.Becker, A.Chyzh, J.Gostic, R.Henderson, E.Kwan, C.Y.Wu

Prompt γ-ray production in neutron-induced fission of 239Pu

NUCLEAR REACTIONS 239Pu(n, F), E<30 keV; measured prompt Eγ, Iγ, fission σ(E), Gamma-ray multiplicity using DANCE γ-ray calorimeter at LANSCE facility; deduced average multiplicity, average total energy. GEANT4 simulation of DANCE detector. Fission Tagging. Comparison with Monte Carlo Hauser-Feshbach (MCHF) calculations, previous experimental studies, and with ENDF/B-VII.

doi: 10.1103/PhysRevC.87.044607
Citations: PlumX Metrics


2012BA07      Phys.Rev. C 85, 024622 (2012)

B.Baramsai, G.E.Mitchell, U.Agvaanluvsan, F.Becvar, T.A.Bredeweg, A.Chyzh, A.Couture, D.Dashdorj, R.C.Haight, M.Jandel, A.L.Keksis, M.Krticka, J.M.O'Donnell, R.S.Rundberg, J.L.Ullmann, D.J.Vieira, C.L.Walker

Neutron resonance parameters in 155Gd measured with the DANCE γ-ray calorimeter array

NUCLEAR REACTIONS 155Gd(n, γ), E=1.36-185 eV; measured neutron spectra by time-of-flight, E(n), I(n), Eγ, sum-energy spectra, average γ-ray multiplicity of s-wave resonances, cross sections using DANCE calorimeter at LANSC. 156Gd; deduced resonances, spins by various methods, resonance parameters, s-wave level density, normalized yields for J=1 and J=2 resonances, neutron and radiative width, Sammy fit of experimental cross sections. Comparison with previous studies, and ENDF/B-VII.0, JENDL-4.0, JEFF-3.1, ROSFOND-2010 libraries.

doi: 10.1103/PhysRevC.85.024622
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14318. Data from this article have been entered in the XUNDL database. For more information, click here.


2012JA16      Phys.Rev.Lett. 109, 202506 (2012)

M.Jandel, T.A.Bredeweg, E.M.Bond, M.B.Chadwick, A.Couture, J.M.O'Donnell, M.Fowler, R.C.Haight, T.Kawano, R.Reifarth, R.S.Rundberg, J.L.Ullmann, D.J.Vieira, J.M.Wouters, J.B.Wilhelmy, C.Y.Wu, J.A.Becker

New Precision Measurements of the 235U(n, γ) Cross Section

NUCLEAR REACTIONS 235U(n, γ), (n, F), E=0.000004-1 MeV; measured reaction products, Eγ, Iγ; deduced thick-target σ. Comparison with ENDF/B-VII, JENDL-4 evaluated libraries and available data.

doi: 10.1103/PhysRevLett.109.202506
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14149.


2012KO14      Phys.Rev.Lett. 108, 142502 (2012)

P.E.Koehler, R.Reifarth, J.L.Ullmann, T.A.Bredeweg, J.M.O'Donnell, R.S.Rundberg, D.J.Vieira, J.M.Wouters

Abrupt Change in Radiation-Width Distribution for 147Sm Neutron Resonances

NUCLEAR REACTIONS 147Sm(n, γ), E<1 keV; measured reaction products, Eγ, Iγ; deduced σ, total radiation width of s-wave resonances. R-matrix analysis.

doi: 10.1103/PhysRevLett.108.142502
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14334.


2011CH31      Phys.Rev. C 84, 014306 (2011)

A.Chyzh, B.Baramsai, J.A.Becker, F.Becvar, T.A.Bredeweg, A.Couture, D.Dashdorj, R.C.Haight, M.Jandel, J.Kroll, M.Krticka, G.E.Mitchell, J.M.O'Donnell, W.Parker, R.S.Rundberg, J.L.Ullmann, D.J.Vieira, C.L.Walker, J.B.Wilhelmy, J.M.Wouters, C.Y.Wu

Measurement of the 157Gd(n, γ) reaction with the DANCE γ calorimeter array

NUCLEAR REACTIONS 157Gd(n, γ), E=<300 eV; measured Eγ, Iγ using DANCE γ calorimeter. 158Gd; deduced E1, M1 and E1 photon strength distributions, resonances, multiplicity, spin distribution, multistep cascade (MSC) spectra. Statistical model calculations using DICEBOX code. Scissors mode.

doi: 10.1103/PhysRevC.84.014306
Citations: PlumX Metrics


2011RA08      Phys.Rev. C 83, 044621 (2011)

R.Raut, A.S.Crowell, B.Fallin, C.R.Howell, C.Huibregtse, J.H.Kelley, T.Kawano, E.Kwan, G.Rusev, A.P.Tonchev, W.Tornow, D.J.Vieira, J.B.Wilhelmy

Cross-section measurements of neutron-induced reactions on GaAs using monoenergetic beams from 7.5 to 15 MeV

NUCLEAR REACTIONS 69Ga(n, 2n)68Ga, 69Ga(n, p)69mZn, 71Ga(n, p)71mZn, 75As(n, 2n)74As, 75As(n, p)75Ge, E=7.5, 8.0, 8.5, 9.5, 10.2, 11.0, 11.5, 12.5, 13.25, 14.0, 14.5, 15.0 MeV; measured Eγ, Iγ; deduced half-lives and σ. 27Al(n, α)24Na, 197Au(n, 2n)196Au, E=7.5-14.5 MeV; measured σ and used as monitor reactions. Comparison of measured cross sections with previous data and statistical model calculations based on the Hauser-Feshbach formalism, using the TALYS and the COH3 codes.

doi: 10.1103/PhysRevC.83.044621
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14291.


2011UL01      J.Korean Phys.Soc. 59, 1406s (2011)

J.L.Ullmann, A.J.Couture, A.L.Keksis, D.J.Vieira, J.M.O'Donnell, J.M.Wouters, M.Jandel, R.C.Haight, R.S.Rundberg, T.A.Bredeweg, T.Kawano, C.Y.Wu, J.A.Becker, A.Chyzh, B.Baramsai, G.E.Mitchell, M.Krticka

Measurement of the 238U Neutron-capture Cross Section and Gamma-emission Spectra from 10 eV to 100 keV Using the DANCE Detector at LANSCE

NUCLEAR REACTIONS 238U(n, γ), E=10 eV-100 keV; measured Eγ, Iγ, γγ-coin using DANCE at LANSCE; deduced σ, γ multiplicity, 36 eV resonance σ(Eγ); calculated γ multiplicity, σ(Eγ) using DICEBOX code.

doi: 10.3938/jkps.59.1406
Citations: PlumX Metrics


2010TO09      Phys.Rev. C 82, 054620 (2010)

A.P.Tonchev, S.L.Hammond, C.R.Howell, C.Huibregtse, A.Hutcheson, J.H.Kelley, E.Kwan, R.Raut, G.Rusev, W.Tornow, T.Kawano, D.J.Vieira, J.B.Wilhelmy

Measurement of the 241Am(γ, n)240Am reaction in the giant dipole resonance region

NUCLEAR REACTIONS 241Am(γ, n), E=9.0-15.6 MeV; measured Eγ, Iγ, σ using HIγS facility. Giant dipole resonance region. Comparison with previous measurements and statistical nuclear-model calculations.

doi: 10.1103/PhysRevC.82.054620
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0156.


2009SH05      Phys.Rev. C 79, 024301 (2009)

S.A.Sheets, U.Agvaanluvsan, J.A.Becker, F.Becvar, T.A.Bredeweg, R.C.Haight, M.Jandel, M.Krticka, G.E.Mitchell, J.M.O'Donnell, W.Parker, R.Reifarth, R.S.Rundberg, E.I.Sharapov, J.L.Ullmann, D.J.Vieira, J.B.Wilhelmy, J.M.Wouters, C.Y.Wu

Test of the statistical model in 96Mo with the BaF calorimeter DANCE array

NUCLEAR REACTIONS 95Mo(n, γ), E<2 keV; measured Eγ, Iγ, from multi-step γ cascades for s- and p-wave neutron resonances below 2 keV. Compared γ spectral shapes to DICEBOX statistical model simulations. Compared multi-step γ-cascade spectra for different multiplicities from various resonances with predictions of different photon strength function models.

doi: 10.1103/PhysRevC.79.024301
Citations: PlumX Metrics


2009TA27      J.Radioanal.Nucl.Chem. 282, 391 (2009)

W.A.Taylor, R.S.Rundberg, E.M.Bond, F.M.Nortier, D.J.Vieira

Production of a 173Lu target for neutron capture cross section measurements

doi: 10.1007/s10967-009-0278-1
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2008AL03      Phys.Rev. C 77, 015806 (2008)

A.M.Alpizar-Vicente, T.A.Bredeweg, E.-I.Esch, U.Greife, R.C.Haight, R.Hatarik, J.M.O'Donnell, R.Reifarth, R.S.Rundberg, J.L.Ullmann, D.J.Vieira, J.M.Wouters

Neutron capture cross section of 62Ni at s-process energies

NUCLEAR REACTIONS 62Ni(n, γ), E=35 eV-500 keV; measured neutron capture cross sections, Eγ.

doi: 10.1103/PhysRevC.77.015806
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14164.


2008ES01      Phys.Rev. C 77, 034309 (2008)

E.-I.Esch, R.Reifarth, E.M.Bond, T.A.Bredeweg, A.Couture, S.E.Glover, U.Greife, R.C.Haight, A.M.Hatarik, R.Hatarik, M.Jandel, T.Kawano, A.Mertz, J.M.O'Donnell, R.S.Rundberg, J.M.Schwantes, J.L.Ullmann, D.J.Vieira, J.B.Wilhelmy, J.M.Wouters

Measurement of the 237Np(n, γ) cross section from 20 meV to 500 keV with a high efficiency, highly segmented 4π BaF2 detector

NUCLEAR REACTIONS 237Np(n, γ), E=0.02-500 keV; measured σ, neutron flux, Eγ, Iγ, time-of-flight spectra, α-spectra. DANCE array. Comparisons with Hauser-Feshbach-Moldauer calculations.

doi: 10.1103/PhysRevC.77.034309
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14032.


2008JA08      Phys.Rev. C 78, 034609 (2008); Publishers Note Phys.Rev. C 78, 049904 (2008)

M.Jandel, T.A.Bredeweg, E.M.Bond, M.B.Chadwick, R.R.Clement, A.Couture, J.M.O'Donnell, R.C.Haight, T.Kawano, R.Reifarth, R.S.Rundberg, J.L.Ullmann, D.J.Vieira, J.B.Wilhelmy, J.M.Wouters, U.Agvaanluvsan, W.E.Parker, C.Y.Wu, J.A.Becker

Neutron capture cross section of 241Am

NUCLEAR REACTIONS 241Am(n, γ), E=0.02 eV-320 keV; measured Eγ, Iγ, σ, resonance parameters. Comparison with evaluated cross sections databases.

doi: 10.1103/PhysRevC.78.034609
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14209.


2008TO06      Phys.Rev. C 77, 054610 (2008)

A.P.Tonchev, C.T.Angell, M.Boswell, A.S.Crowell, B.Fallin, S.Hammond, C.R.Howell, A.Hutcheson, H.J.Karwowski, J.H.Kelley, R.S.Pedroni, W.Tornow, J.A.Becker, D.Dashdorj, J.Kenneally, R.A.Macri, M.A.Stoyer, C.Y.Wu, E.Bond, M.B.Chadwick, J.Fitzpatrick, T.Kawano, R.S.Rundberg, A.Slemmons, D.J.Vieira, J.B.Wilhelmy

Measurement of the 241Am(n, 2n) reaction cross section from 7.6 MeV to 14.5 MeV

NUCLEAR REACTIONS 241Am(n, 2n), E=7.6-14.5 MeV; measured Eγ, Iγ, neutron time-of-flight spectra, σ, excitation functions. Comparison with evaluated data in ENDF/B-VII and JENDL-3.3.

doi: 10.1103/PhysRevC.77.054610
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2007AG09      Nucl.Instrum.Methods Phys.Res. B261, 934 (2007)

U.Agvaanluvsan, J.A.Becker, R.A.Macri, W.Parker, P.Wilk, C.Y.Wu, T.A.Bredeweg, E.Esch, R.C.Haight, J.M.O'Donnell, R.Reifarth, R.S.Rundberg, J.M.Schwantes, J.L.Ullmann, D.J.Vieira, J.B.Wilhelmy, J.M.Wouters, G.E.Mitchell, S.Sheets, F.Becvar, M.Krticka

Progress on the europium neutron capture study using DANCE

NUCLEAR REACTIONS 151,153Eu(n, γ), E=0.1-100 keV; measured Eγ, Iγ, and multiplicity distributions.

doi: 10.1016/j.nimb.2007.03.107
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2007BR16      Nucl.Instrum.Methods Phys.Res. B261, 986 (2007)

T.A.Bredeweg, M.M.Fowler, J.A.Becker, E.M.Bond, M.B.Chadwick, R.R.C.Clement, E.-I.Esch, T.Ethvignot, T.Granier, M.Jandel, R.A.Macri, J.M.O'Donnell, R.Reifarth, R.S.Rundberg, J.L.Ullmann, D.J.Vieira, J.B.Wilhelmy, J.M.Wouters, C.Y.Wu

Simultaneous measurement of (n, γ) and (n, fission) cross sections with the DANCE 4π BaF2 array

NUCLEAR REACTIONS 235U, 252Cf(n, γ), (n, X), E < 18 eV; measured Eγ, Iγ, fission fragments. Deduced cross sections.

doi: 10.1016/j.nimb.2007.04.226
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14149.


2007KO54      Phys.Rev. C 76, 025804 (2007)

P.E.Koehler, J.L.Ullmann, T.A.Bredeweg, J.M.O'Donnell, R.Reifarth, R.S.Rundberg, D.J.Vieira, J.M.Wouters

Spin measurements for 147Sm + n resonances: Further evidence for nonstatistical effects

NUCLEAR REACTIONS 147Sm(n, γ), E=spectrum; measured Eγ, Iγ, multiplicities. 147Sm deduced resonance energies and spins.

doi: 10.1103/PhysRevC.76.025804
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14306. Data from this article have been entered in the XUNDL database. For more information, click here.


2007SH46      Phys.Rev. C 76, 064317 (2007)

S.A.Sheets, U.Agvaanluvsan, J.A.Becker, F.Becvar, T.A.Bredeweg, R.C.Haight, M.Krticka, M.Jandel, G.E.Mitchell, J.M.O'Donnell, W.E.Parker, R.Reifarth, R.S.Rundberg, E.I.Sharapov, I.Tomandl, J.L.Ullmann, D.J.Vieira, J.M.Wouters, J.B.Wilhelmy, C.Y.Wu

Spin and parity assignments for 94, 95Mo neutron resonances

NUCLEAR REACTIONS 94,95Mo(n, γ), E=800 MeV; measured neutron energies, Eγ, Iγ, γ-ray multiplicities. 95,96Mo; deduced neutron resonance levels, J, π.

doi: 10.1103/PhysRevC.76.064317
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Data from this article have been entered in the XUNDL database. For more information, click here.


2006RO22      Nucl.Instrum.Methods Phys.Res. A562, 771 (2006)

C.Romano, Y.Danon, R.C.Haight, S.A.Wender, D.J.Vieira, E.M.Bond, R.S.Rundberg, J.B.Wilhelmy, J.M.O'Donnell, A.F.Michaudon, T.A.Bredeweg, D.Rochman, T.Granier, T.Ethvignot

Measurements of (n, α) cross-section of small samples using a lead-slowing-down-spectrometer

NUCLEAR REACTIONS 6Li(n, α), E ≈ 0.1-10000 eV; measured Eα, σ(E). Lead-slowing-down spectrometer.

doi: 10.1016/j.nima.2006.02.052
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14105.


2006RO28      Nucl.Instrum.Methods Phys.Res. A564, 400 (2006)

D.Rochman, R.C.Haight, J.M.O'Donnell, S.A.Wender, D.J.Vieira, E.M.Bond, T.A.Bredeweg, J.B.Wilhelmy, T.Granier, T.Ethvignot, M.Petit, Y.Danon, C.Romano

Cross-section measurements for 239Pu(n, f) and 6Li(n, α) with a lead slowing-down spectrometer

NUCLEAR REACTIONS 239Pu(n, F), E < 100 keV; measured fission σ. 6Li(n, α), E < 10 keV; measured σ. Lead slowing-down spectrometer.

doi: 10.1016/j.nima.2006.03.032
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14108.


2005LE43      Eur.Phys.J. A 25, Supplement 1, 227 (2005)

A.Lepine-Szily, G.F.Lima, A.C.C.Villari, W.Mittig, R.Lichtenthaler, M.Chartier, N.A.Orr, J.C.Angelique, G.Audi, J.M.Casandjian, A.Cunsolo, C.Donzaud, A.Foti, A.Gillibert, D.Hirata, M.Lewitowicz, S.Lukyanov, M.MacCormick, D.J.Morrissey, A.N.Ostrowski, B.M.Sherrill, C.Stephan, T.Suomijarvi, L.Tassan-Got, D.J.Vieira, J.M.Wouters

Anomalous behaviour of matter radii of proton-rich Ga, Ge, As, Se and Br nuclei

NUCLEAR STRUCTURE 63,64,65,66,67,68Ga, 65,66,67,68,69,70Ge, 67,68,69,70,71,72As, 69,70,71,72,73,74,75,76,77,78,79,80Se, 72,73,74,75Br; analyzed reaction σ on Si target; deduced matter radii. Secondary beams from 78Kr fragmentation. Glauber model analysis.

doi: 10.1140/epjad/i2005-06-115-0
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2005RE25      Nucl.Instrum.Methods Phys.Res. B241, 176 (2005)

R.Reifarth, E.-I.Esch, A.Alpizar-Vicente, E.M.Bond, T.A.Bredeweg, S.E.Glover, U.Greife, R.Hatarik, R.C.Haight, A.Kronenberg, J.M.O'Donnell, R.S.Rundberg, J.M.Schwantes, J.L.Ullmann, D.J.Vieira, J.B.Wilhelmy, J.M.Wouters

(n, γ) measurements on radioactive isotopes with DANCE

NUCLEAR REACTIONS 237Np(n, γ), E=0.01-10 eV; measured σ. Comparison with previous results.

doi: 10.1016/j.nimb.2005.07.022
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14032.


2005RO30      Nucl.Instrum.Methods Phys.Res. A550, 397 (2005)

D.Rochman, R.C.Haight, J.M.O'Donnell, A.Michaudon, S.A.Wender, D.J.Vieira, E.M.Bond, T.A.Bredeweg, A.Kronenberg, J.B.Wilhelmy, T.Ethvignot, T.Granier, M.Petit, Y.Danon

Characteristics of a lead slowing-down spectrometer coupled to the LANSCE accelerator

NUCLEAR REACTIONS 235U, 239Pu(n, F), E < 100 keV; measured fission σ. Lead slowing-down spectrometer.

doi: 10.1016/j.nima.2005.04.075
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14091.


2004GE18      Nucl.Phys. A746, 150c (2004)

H.Geissel, Yu.A.Litvinov, F.Attallah, K.Beckert, P.Beller, F.Bosch, D.Boutin, T.Faestermann, M.Falch, B.Franzke, M.Hausmann, M.Hellstrom, E.Kaza, Th.Kerscher, O.Klepper, H.-J.Kluge, C.Kozhuharov, K.-L.Kratz, S.A.Litvinov, K.E.G.Lobner, L.Maier, M.Matos, G.Munzenberg, F.Nolden, Yu.N.Novikov, T.Ohtsubo, A.Ostrowski, Z.Patyk, B.Pfeiffer, M.Portillo, T.Radon, C.Scheidenberger, V.Shishkin, J.Stadlmann, M.Steck, D.J.Vieira, H.Weick, M.Winkler, H.Wollnik, T.Yamaguchi

New results with stored exotic nuclei at relativistic energies

ATOMIC MASSES 116,135,136,137,138,139,140Te, 117,119I, 117,118,119,120,121,122Xe, 116,117,118,119,120,121,122Pd, 143Sm; measured masses. Tl; analyzed proton separation energies, mass values. Schottky mass spectrometer.

doi: 10.1016/j.nuclphysa.2004.09.030
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2004HA56      Nucl.Phys. A746, 429c (2004)

M.Hausmann, D.J.Vieira, L.Ahle

Collection of separated isotopes for radioactive target production at RIA

doi: 10.1016/j.nuclphysa.2004.09.134
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2004HA57      Nucl.Phys. A746, 669c (2004)

M.Hausmann, D.J.Vieira, J.Wu, X.Zhao, M.G.Boulay, A.Hime

Beta-asymmetry studies on polarized 82Rb atoms in a TOP trap

doi: 10.1016/j.nuclphysa.2004.09.133
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2004LI29      Nucl.Phys. A735, 303 (2004)

G.F.Lima, A.Lepine-Szily, A.C.C.Villari, W.Mittig, R.Lichtenthaler, M.Chartier, N.A.Orr, J.C.Angelique, G.Audi, E.Baldini-Neto, B.V.Carlson, J.M.Casandjian, A.Cunsolo, C.Donzaud, A.Foti, A.Gillibert, D.Hirata, M.Lewitowicz, S.Lukyanov, M.MacCormick, D.J.Morrissey, A.N.Ostrowski, B.M.Sherrill, C.Stephan, T.Suomijarvi, L.Tassan-Got, D.J.Vieira, J.M.Wouters

Reaction cross section and matter radius measurements of proton-rich Ga, Ge, As, Se and Br nuclides

NUCLEAR REACTIONS Si(63Ga, X), (64Ga, X), (65Ga, X), (66Ga, X), (67Ga, X), (68Ga, X), (65Ge, X), (66Ge, X), (67Ge, X), (68Ge, X), (69Ge, X), (70Ge, X), (67As, X), (68As, X), (69As, X), (70As, X), (71As, X), (72As, X), (69Se, X), (70Se, X), (71Se, X), (72Se, X), (73Se, X), (72Br, X), (73Br, X), (74Br, X), (75Br, X), E ≈ 50-60 MeV/nucleon; measured reaction σ. 63,64,65,66,67,68Ga, 65,66,67,68,69,70Ge, 67,68,69,70,71,72As, 69,70,71,72,73Se, 72,73,74,75Br; deduced matter radii. Glauber model analysis.

doi: 10.1016/j.nuclphysa.2004.01.125
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2004RE10      Nucl.Instrum.Methods Phys.Res. A524, 215 (2004)

R.Reifarth, R.C.Haight, M.Heil, F.Kappeler, D.J.Vieira

Neutron capture measurements at a RIA-type facility

doi: 10.1016/j.nima.2004.01.050
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2004SC37      Acta Phys.Hung.N.S. 19, 165 (2004)

C.Scheidenberger, F.Attallah, K.Beckert, P.Beller, F.Bosch, D.Boutin, H.Eickhoff, T.Faestermann, M.Falch, B.Franczak, B.Franzke, H.Geissel, M.Hausmann, M.Hellstrom, E.Kaza, Th.Kerscher, O.Klepper, H.-J.Kluge, R.Koyama, C.Kozhuharov, K.-L.Kratz, Yu.A.Litvinov, K.Lobner, L.Maier, M.Matos, G.Munzenberg, F.Nolden, Yu.N.Novikov, T.Ohtsubo, A.Ostrowski, A.Ozawa, Z.Patyk, B.Pfeiffer, M.Portillo, W.Quint, T.Radon, V.Shishkin, J.Stadlmann, M.Steck, K.Summerer, T.Suzuki, M.B.Trzhaskovskaya, D.J.Vieira, S.Watanabe, H.Weick, M.Winkler, H.Wollnik, T.Yamaguchi

Study of Basic Nuclear Properties of Highly-Charged Unstable Nuclei at the SIS-FRS-ESR Complex

doi: 10.1556/APH.19.2004.1-2.27
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2002LI24      Phys.Rev. C65, 044618 (2002)

G.F.Lima, A.Lepine-Szily, G.Audi, W.Mittig, M.Chartier, N.A.Orr, R.Lichtenthaler, J.C.Angelique, J.M.Casandjian, A.Cunsolo, C.Donzaud, A.Foti, A.Gillibert, M.Lewitowicz, S.Lukyanov, M.MacCormick, D.J.Morrissey, A.N.Ostrowski, B.M.Sherrill, C.Stephan, T.Suomijarvi, L.Tassan-Got, D.J.Vieira, A.C.C.Villari, J.M.Wouters

Direct Mass Measurements of Proton-Rich Isotopes of Ge, As, Se, and Br

ATOMIC MASSES 64,65Ge, 66,67As, 68,70,71Se, 71Br; measured masses. Direct time-of-flight technique, comparison with previous results.

doi: 10.1103/PhysRevC.65.044618
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2001CR03      Phys.Rev.Lett. 86, 2967 (2001)

S.G.Crane, S.J.Brice, A.Goldschmidt, R.Guckert, A.Hime, J.J.Kitten, D.J.Vieira, X.Zhao

Parity Violation Observed in the Beta Decay of Magnetically Trapped 82Rb Atoms

RADIOACTIVITY 82Rb(β+); measured Eβ, Iβ(θ) from polarized nuclei; deduced parity-violating correlations. Magnetic time-orbiting-potential ion trap.

doi: 10.1103/PhysRevLett.86.2967
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1999ZH35      Phys.Rev. A60, 4730 (1999)

X.Zhao, S.G.Crane, R.Guckert, D.J.Vieira

Hyperfine Structure and Isotope Shift of 82Rb D1 and D2 Transitions

NUCLEAR MOMENTS 82Rb; measured hfs, isotope shift. Magneto-optical trap.

doi: 10.1103/PhysRevA.60.4730
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1998CH20      Nucl.Phys. A637, 3 (1998)

M.Chartier, W.Mittig, N.A.Orr, J.-C.Angelique, G.Audi, J.-M.Casandjian, A.Cunsolo, C.Donzaud, A.Foti, A.Lepine-Szily, M.Lewitowicz, S.Lukyanov, M.Mac Cormick, D.J.Morrissey, A.N.Ostrowski, B.M.Sherrill, C.Stephan, T.Suomijarvi, L.Tassan-Got, D.J.Vieira, A.C.C.Villari, J.M.Wouters

The Masses of 70,71Se

NUCLEAR REACTIONS Ni(78Kr, X), E=73 MeV/nucleon; measured fragments magnetic rigidity, time of flight. 70,71Se deduced mass excesses. Stripping technique for purification of secondary beam.

ATOMIC MASSES Ni(78Kr, X), E=73 MeV/nucleon; measured fragments magnetic rigidity, time of flight. 70,71Se deduced mass excesses. Stripping technique for purification of secondary beam.

doi: 10.1016/S0375-9474(98)00228-0
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1998GU16      Phys.Rev. A58, R1637 (1998)

R.Guckert, X.Zhao, S.G.Crane, A.Hime, W.A.Taylor, D.Tupa, D.J.Vieira, H.Wollnik

Magneto-Optical Trapping of Radioactive 82Rb Atoms

doi: 10.1103/PhysRevA.58.R1637
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1997MI07      Nucl.Phys. A616, 329c (1997)

W.Mittig, M.Chartier, J.C.Angelique, G.Audi, J.M.Casandjian, A.Cunsolo, C.Donzaud, M.Chabert, J.Ferme, L.K.Fifield, A.Foti, A.Gillibert, A.Lepine-Szily, M.Lewitowicz, S.Lukyanov, M.Mac Cormick, D.J.Morrissey, M.H.Moscatello, O.H.Odland, N.A.Orr, A.Ostrowski, G.Politi, C.Spitaels, B.M.Sherrill, C.Stephan, T.Suomijarvi, L.Tassan-Got, D.J.Vieira, A.C.C.Villari, J.M.Wouters

Mass Measurements Near N = Z

NUCLEAR REACTIONS Ni(78Kr, X), E=73 MeV/nucleon; measured fragment tof; deduced secondary beams (with mass ≈ 60-80) production related features. 58Ni(50Cr, X), E=5.1 MeV/nucleon; measured fragment tof; deduced 100Sn production σ. 100Cd, 100Sn, 100In deduced masses relative to 100Ag. Pure secondary beams from ions stripping technique, α-, SPEG spectrometers.

doi: 10.1016/S0375-9474(97)00104-8
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1995BR07      Nucl.Phys. A585, 565 (1995)

T.Brohm, H.-G.Clerc, M.Dornik, M.Fauerbach, J.-J.Gaimard, A.Grewe, E.Hanelt, B.Voss, Ch.Ziegler, B.Blank, R.Del Moral, J.-P.Dufour, L.Faux, C.Marchand, M.S.Pravikoff, K.-H.Schmidt, H.Geissel, G.Munzenberg, F.Nickel, M.Pfutzner, E.Roeckl, I.Schall, K.Summerer, D.J.Vieira, M.Weber

Total Charge-Changing Cross Sections of Stable and Neutron-Deficient Secondary Projectiles Around A = 60

NUCLEAR REACTIONS C, 1H(54Fe, X), (55Fe, X), (56Fe, X), E=505-742 MeV/nucleon; measured charge changing σ(ΔZ). Other secondary beams also investigated. Secondary beams from 9Be(86Kr, X), E=1 GeV/nucleon. Statistical abrasion model analysis.

doi: 10.1016/0375-9474(94)00507-J
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1994CZ02      Z.Phys. A348, 267 (1994)

S.Czajkowski, M.Bernas, P.Armbruster, H.Geissel, C.Kozhuharov, G.Munzenberg, D.Vieira, Ph.Dessagne, Ch.Miehe, E.Hanelt, G.Audi, J.K.P.Lee

Separation and Implantation of Relativistic 86Kr-Fragments at the FrS; Half-life measurement by ion-β time-correlations

RADIOACTIVITY 65Fe, 66Co(β-) [from 9Be(86Kr, X), E=500 MeV/nucleon]; measured T1/2. Identification by fragment separator.

doi: 10.1007/BF01305884
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1994SE12      Z.Phys. A349, 25 (1994)

H.L.Seifert, J.M.Wouters, D.J.Vieira, H.Wollnik, X.G.Zhou, X.L.Tu, Z.Y.Zhou, G.W.Butler

Mass Measurement of Neutron-Rich Isotopes from 51Ca to 72Ni

NUCLEAR REACTIONS Th(p, F), E=800 MeV; measured fission fragment tof spectra, other features. 51Ca, 52,53,54Sc, 54,55,56Ti, 56,57,58,59,60V, 57,58,59,60,61,62Cr, 60,61,62,63,64,65Mn, 63,64,65,66,67Fe, 66,67,68,69Co, 67,68,69,70,71,72Ni deduced mass excess, two-neutron separation energies.

doi: 10.1007/BF01296329
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1994WE14      Nucl.Phys. A578, 659 (1994)

M.Weber, C.Donzaud, J.P.Dufour, H.Geissel, A.Grewe, D.Guillemaud-Mueller, H.Keller, M.Lewitowicz, A.Magel, A.C.Mueller, G.Munzenberg, F.Nickel, M.Pfutzner, A.Piechaczek, M.Pravikoff, E.Roeckl, K.Rykaczewski, M.G.Saint-Laurent, I.Schall, C.Stephan, K.Summerer, L.Tassan-Got, D.J.Vieira, B.Voss

Longitudinal Momenta and Production Cross-Sections of Isotopes Formed by Fragmentation of 500 A x MeV 86Kr Beam

NUCLEAR REACTIONS 9Be, Cu, Ta(86Kr, X), E=500 MeV/nucleon; measured fragment longitudinal momentum distribution, production σ for mass 10-90; deduced 78Ni production σ. Semi-empirical, geometrical abrasion, intranuclear-cascade models.

doi: 10.1016/0375-9474(94)90766-8
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1992GE09      Nucl.Instrum.Methods Phys.Res. B70, 286 (1992)

H.Geissel, P.Armbruster, K.H.Behr, A.Brunle, K.Burkard, M.Chen, H.Folger, B.Franczak, H.Keller, O.Klepper, B.Langenbeck, F.Nickel, E.Pfeng, M.Pfutzner, E.Roeckl, K.Rykaczewski, I.Schall, D.Schardt, C.Scheidenberger, K.-H.Schmidt, A.Schroter, T.Schwab, K.Summerer, M.Weber, G.Munzenberg, T.Brohm, H.-G.Clerc, M.Fauerbach, J.-J.Gaimard, A.Grewe, E.Hanelt, B.Knodler, M.Steiner, B.Voss, J.Weckenmann, C.Ziegler, A.Magel, H.Wollnik, J.P.Dufour, Y.Fujita, D.J.Vieira, B.Sherrill

The GSI Projectile Fragment Separator (FRS): A versatile magnetic system for relativistic heavy ions

doi: 10.1016/0168-583X(92)95944-M
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1992WE04      Z.Phys. A343, 67 (1992)

M.Weber, C.Donzaud, J.P.Dufour, H.Geissel, A.Grewe, D.Guillemaud-Mueller, H.Keller, M.Lewitowicz, A.Magel, A.C.Mueller, G.Munzenberg, F.Nickel, M.Pfutzner, A.Piechaczek, M.Pravikoff, E.Roeckl, K.Rykaczewski, M.G.Saint-Laurent, I.Schall, C.Stephan, K.Summerer, L.Tassan-Got, D.J.Vieira, B.Voss

New Neutron-Rich Isotopes in the Scandium-to-Nickel Region, Produced by Fragmentation of a 500 MeV/u 86Kr Beam

NUCLEAR REACTIONS 9Be(86Kr, X)58Ti/61V/63Cr/66Mn/69Fe/71Co, E=500 MeV/nucleon; measured residue, neighboring nuclei production σ. Zero-degree magnetic spectrometer, empirical parametrization of data.

doi: 10.1007/BF01291599
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1991RE02      Phys.Rev. C44, 1435 (1991)

P.L.Reeder, R.A.Warner, W.K.Hensley, D.J.Vieira, J.M.Wouters

Half-Lives and Delayed Neutron Emission Probabilities of Neutron-Rich Li-Al Nuclides

RADIOACTIVITY 9Li, 12Be, 13,14,15,17B, 16,17,18C, 17,18,19,20,21N, 25F, 28Ne, 28,29Na(β-n) [from 232Th(p, X), E=800 MeV]; measured T1/2, neutron emission probability, upper limits. Tof isochronous spectrometer, ion-neutron delayed coincidence.

doi: 10.1103/PhysRevC.44.1435
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1991ZH24      Phys.Lett. 260B, 285 (1991)

X.G.Zhou, X.L.Tu, J.M.Wouters, D.J.Vieira, K.E.G.Lobner, H.L.Seifert, Z.Y.Zhou, G.W.Butler

Direct Mass Measurements of the Neutron-Rich Isotopes of Fluorine Through Chlorine

NUCLEAR REACTIONS Th(p, X), E=800 MeV; measured fragment mass, charge state ratio, velocity histograms. 24,25,26,27F, 27,28,29Ne, 30,31,32Na, 30,31,32,33,34Mg, 33,34,35,36Al, 36,37,38Si, 38,39,40,41P, 40,41,42,43S, 41,42,43,44Cl deduced mass excess.

doi: 10.1016/0370-2693(91)91613-Z
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1990IM02      Phys.Rev. C42, 1061 (1990)

N.Imanishi, D.J.Vieira, G.W.Butler, R.S.Rundberg, B.J.Dropesky

Cross Section Measurements of the Pion Single-Charge-Exchange Reaction 12C(π+, π0)12N(g.s.)

NUCLEAR REACTIONS 12C(π+, π0), (π+, X), E=116-291 MeV; measured reaction σ(E), production σ(E) for X=8Li, 8B, 9C. DWIA analysis.

doi: 10.1103/PhysRevC.42.1061
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1990TU01      Z.Phys. A337, 361 (1990)

X.L.Tu, X.G.Zhou, D.J.Vieira, J.M.Wouters, Z.Y.Zhou, H.L.Seifert, V.G.Lind

Direct Mass Measurements of the Neutron-Rich Isotopes of Chlorine through Iron

NUCLEAR REACTIONS Th(p, X), (p, F), E not given; measured fragment charge, mass spectra; deduced neutron, proton pairing energy vs neutron excess, binding energy enhancement around 53Sc. 41,42,43,44,45Cl, 47Ar, 50K, 51,52Ca, 52,53,54,55Sc, 54,55,56,57Ti, 56,57,58,59,60V, 57,58,59,60,61,62Cr, 60,61,62,63,64Mn, 63,64,65,66Fe; deduced mass excess. Tof isochronous spectrometer. Model comparison.

ATOMIC MASSES Th(p, X), (p, F), E not given; measured fragment charge, mass spectra; deduced neutron, proton pairing energy vs neutron excess, binding energy enhancement around 53Sc. 41,42,43,44,45Cl, 47Ar, 50K, 51,52Ca, 52,53,54,55Sc, 54,55,56,57Ti, 56,57,58,59,60V, 57,58,59,60,61,62Cr, 60,61,62,63,64Mn, 63,64,65,66Fe; deduced mass excess. Tof isochronous spectrometer. Model comparison.


1989DE52      Ann.Rev.Nucl.Part.Sci. 39, 407 (1989)

C.Detraz, D.J.Vieira

Exotic Light Nuclei

doi: 10.1146/annurev.ns.39.120189.002203
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1988US01      Phys.Rev. C38, 2761 (1988)

L.E.Ussery, D.J.Vieira, J.J.H.Berlijn, G.W.Butler, B.J.Dropesky, G.C.Giesler, N.Imanishi, M.J.Leitch, R.S.Rundberg

Excitation Function for the Pion Single-Charge-Exchange Reaction 13C(π+, π0)13N(g.s.)

NUCLEAR REACTIONS 13C(π+, π0), E=50-350 MeV; measured σ(E); deduced s-, p-wave interference. Fixed scatterer, covariant coupled-channel, isobar-hole models, plane wave calculations. Enriched targets, activation, secondary(p, n) reaction, oxygen contamination.

doi: 10.1103/PhysRevC.38.2761
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1988WO09      Z.Phys. A331, 229 (1988)

J.M.Wouters, R.H.Kraus, Jr., D.J.Vieira, G.W.Butler, K.E.G.Lobner

Direct Mass Measurements of the Neutron-Rich Light Isotopes of Lithium through Fluorine

NUCLEAR REACTIONS Th(p, X), E=800 MeV; measured fragment mass to charge spectra. 11Li, 14Be, 17B, 19,20C, 20,21,22N, 23,24O, 25,26,27F deduced mass excess, two-neutron separation energies. Tof technique.


1987HO01      Phys.Rev. C35, 315 (1987)

M.A.C.Hotchkis, J.E.Reiff, D.J.Vieira, F.Blonnigen, T.F.Lang, D.M.Moltz, X.Xu, J.Cerny

Beta-Delayed Proton Decay of 61Ge

RADIOACTIVITY 61Ge(β+p) [from 40Ca(24Mg, 3n), (28Si, α3n), E=73-128 MeV]; measured β-delayed Ep, T1/2. 61Ga deduced levels, possible J, π. ΔE-E telescopes.

doi: 10.1103/PhysRevC.35.315
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1986JO12      Phys.Rev. C34, 1813 (1986)

D.Joyce, H.O.Funsten, B.J.Lieb, H.S.Plendl, J.Norton, C.E.Stronach, V.G.Lind, R.E.McAdams, O.H.Otteson, L.W.Swenson, C.Pillai, D.J.Vieira, A.J.Buffa

200-MeV-π+-Induced Single-Nucleon Removal from 24Mg

NUCLEAR REACTIONS 24Mg(π+, π+pγ), (π+, π+nγ), E=200 MeV; measured γp-, γπ+-coin, σ(θ), σ. Ge(Li) detector, particle telescopes. PWIA, intranuclear cascade calculations.

doi: 10.1103/PhysRevC.34.1813
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1986PI09      Radiat.Eff. 96, 41 (1986)

C.Pillai, L.W.Swenson, D.J.Vieira, G.W.Butler, J.M.Wouters, S.H.Rokni, K.Vaziri, L.P.Remsberg

Direct Mass Measurements in the Light Neutron-Rich Region using a Combined Energy and Time-of-Flight Technique

NUCLEAR REACTIONS U(p, X), E=800 MeV; measured fragment mass spectra. 17,18C, 19,20N, 15,21,22O, 18,23,24F, 25,26Ne, 22,27Na; deduced mass excess, deviation. Combined, energy tof techniques.

doi: 10.1080/00337578608211710
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1986VI09      Phys.Rev.Lett. 57, 3253 (1986)

D.J.Vieira, J.M.Wouters, K.Vaziri, R.H.Kraus, Jr., H.Wollnik, G.W.Butler, F.K.Wohn, A.H.Wapstra

Direct Mass Measurements of Neutron-Rich Light Nuclei near N = 20

NUCLEAR REACTIONS 232Th(p, X), E=800 MeV; measured fragment mass to charge spectra. 19C, 20,21N, 23O, 23,24,25,26F, 27,28Ne, 28,29,30Na, 30,31,32Mg, 32,33,34Al, 36Si, 37P deduced mass excess, two-neutron separation energy vs neutron number. Recoil spectrometer.

doi: 10.1103/PhysRevLett.57.3253
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1985IM02      Nucl.Instrum.Methods 240, 323 (1985)

N.Imanishi, D.J.Vieira, R.S.Rundberg, G.W.Butler, B.J.Dropesky

Rotating-Wheel Detector System for measuring Millisecond Half-Life High-Energy β Emitters

RADIOACTIVITY 12N(β+) [from 12C(π+, π0), E=160 MeV]; measured Eβ, Iβ. Rotating wheel detector system.

doi: 10.1016/0168-9002(85)90643-6
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1985OH02      Phys.Rev. C31, 510 (1985)

Y.Ohkubo, C.J.Orth, D.J.Vieira, L.C.Liu

(π, πN) Reactions in 48Ca

NUCLEAR REACTIONS 48Ca(π+, π+p), (π+, π+n), (π-, π-p), (π-, π-n), E=100, 180, 300 MeV; 45Sc(π-, π0p), E=180 MeV; measured residuals production σ, deduced σ(π+)/σ(π-), final-state effects.

doi: 10.1103/PhysRevC.31.510
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1979VI01      Phys.Rev. C19, 177 (1979)

D.J.Vieira, R.A.Gough, J.Cerny

β-Delayed Proton Decay of 29S

RADIOACTIVITY 29S [from 28Si(3He, 2n), E=32 MeV]; measured β-delayed protons, T1/2. 29P deduced levels, IAS-proton decay, log ft. Comparison with shell model.

doi: 10.1103/PhysRevC.19.177
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1978KE06      Phys.Rev. C17, 1929 (1978)

G.J.KeKelis, M.S.Zisman, D.K.Scott, R.Jahn, D.J.Vieira, J.Cerny, F.Ajzenberg-Selove

Masses of the Unbound Nuclei 16Ne, 15F, and 12O

NUCLEAR REACTIONS 16O, 20Ne(α, 8He), E=117 MeV; 20Ne(3He, 8Li), E=75, 88 MeV; measured σ(θ); deduced Q. 12O, 15F, 16Ne deduced mass excess, Γ(cm), diproton decay.

doi: 10.1103/PhysRevC.17.1929
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1976VI02      Phys.Lett. 60B, 261 (1976)

D.J.Vieira, D.F.Sherman, M.S.Zisman, R.A.Gough, J.Cerny

Extension of the T(z) = -3/2 Beta-Delayed Proton Precursor Series to 57Zn

RADIOACTIVITY 53Ni(β+)[from 40Ca(16O, 3n)], 57Zn(β+)[from 40Ca (20Ne, 3n)]; measured β-delayed protons, Ep, T1/2. 53Co, 57Cu; deduced levels.

doi: 10.1016/0370-2693(76)90295-1
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