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NSR database version of April 11, 2024.

Search: Author = W.Parker

Found 28 matches.

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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


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


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


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


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.


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics

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


2001KA20      Nucl.Phys. A686, 109 (2001)

M.Kaplan, C.J.Copi, P.A.DeYoung, G.J.Gilfoyle, P.J.Karol, D.J.Moses, W.E.Parker, K.E.E.Rehm, J.Sarafa, E.Vardaci

Studies of Light Charged Particle Emission from Fission and ER Reactions in the System 344 MeV 28Si + 121Sb → 149Tb(E* = 240 MeV)

NUCLEAR REACTIONS 121Sb(28Si, X), E=344 MeV; measured proton and α spectra in coincidence with fission fragments and evaporation residues; deduced reaction mechanism features. Comparison with statistical model predictions.

doi: 10.1016/S0375-9474(00)00573-X
Citations: PlumX Metrics


2000VA10      Phys.Lett. 480B, 239 (2000)

E.Vardaci, M.Kaplan, W.E.Parker, D.J.Moses, J.T.Boger, G.J.Gilfoyle, M.A.McMahan, M.Montoya

Search for Ternary Fragmentation in the Reaction 856 MeV 98Mo + 51V: Kinematic probing of intermediate-mass-fragment emissions

NUCLEAR REACTIONS 51V(98Mo, X), E=856 MeV; measured intermediate mass fragment, fission fragment spectra, angular correlations; deduced no three-body breakup.

doi: 10.1016/S0370-2693(00)00407-X
Citations: PlumX Metrics


1995PA24      Phys.Rev. C52, 252 (1995)

W.E.Parker, M.B.Chadwick, F.S.Dietrich, J.E.Kammeraad, S.J.Luke, K.E.Sale, R.M.Chasteler, M.A.Godwin, L.H.Kramer, G.J.Schmid, H.R.Weller, A.K.Kerman

Fluctuation Effects in Radiative Capture to Unstable Final States: A test via the 89Y(p(pol), γ) reaction at E(p) = 19.6 MeV

NUCLEAR REACTIONS 89Y(polarized p, γ), E=19.6 MeV; measured σ(θ), analyzing power(θ) vs Eγ. Direct-semdirect Hauser-Feshbach analyses. NaI(T1) detector.

doi: 10.1103/PhysRevC.52.252
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0909.


1995PA33      Nucl.Phys. A594, 1 (1995)

W.E.Parker, M.Kaplan, D.J.Moses, J.M.Alexander, R.A.Lacey, D.M.de Castro Rizzo, J.Boger, A.Narayanan, G.F.Peaslee, D.G.Popescu

Coincidence Correlations between Light Charged Particles in the Matched Reactions 905 and 1030 MeV 121Sb + 27Al and 550 and 750 MeV 86Kr + 63Cu

NUCLEAR REACTIONS 27Al(121Sb, X), E=905, 1030 MeV; 63Cu(86Kr, X), E=550, 750 MeV; measured energy spectra, angular correlations of α/p in coincidence with α/p; deduced light particle production σ, mean emission chain lengths associated with evaporation residues. Characterized emitters. Comparisons made for matched reactions.

doi: 10.1016/0375-9474(95)00339-3
Citations: PlumX Metrics


1994CA50      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.40 (1994)

A.D.Carlson, W.E.Parker, P.W.Lisowski, G.L.Morgan, S.J.Seestrom, N.W.Hill, K.Meggers

Measurements of the fission cross section of 237Np

NUCLEAR REACTIONS 237Np(n, f), E=5.171 eV-5.1 keV; measured product s; deduced σ, σ(E). Data were imported from EXFOR entry 14035.

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14035.


1994PA02      Phys.Rev. C49, 672 (1994)

W.E.Parker, J.E.Lynn, G.L.Morgan, P.W.Lisowski, A.D.Carlson, N.W.Hill

Intermediate Structure in the Neutron-Induced Fission Cross Section of 236U

NUCLEAR REACTIONS 236U(n, F), E=5 eV-100 keV; measured fission σ, resonance fission widths; deduced intermediate resonance structure. 237U deduced fission barrier parameters.

doi: 10.1103/PhysRevC.49.672
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13642.


1994PA04      Nucl.Phys. A568, 633 (1994)

W.E.Parker, M.Kaplan, D.J.Moses, J.M.Alexander, J.T.Boger, R.A.Lacey, D.M.de Castro Rizzo

Mechanisms of Light-Charged-Particle Emission in the Matched Reactions 905 and 1030 MeV 121Sb + 27Al and 550 and 750 MeV 86Kr + 63Cu

NUCLEAR REACTIONS 27Al(121Sb, X), E=905, 1030 MeV; 63Cu(86Kr, X), E=550, 750 MeV; measured energy spectra, (αX)-, (pX)-coin; deduced evaporative light particle multiplicities for each emission source, characterized emitters. Matched reactions comparisons.

doi: 10.1016/0375-9474(94)90398-0
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1993KA10      Nucl.Instrum.Methods Phys.Res. A327, 551 (1993)

M.Kaplan, W.E.Parker, D.J.Moses, R.Lacey, J.M.Alexander

The Role of Reversed Kinematics and Double Kinematic Solutions in Nuclear Reactions Studies

NUCLEAR REACTIONS 27Al(121Sb, X), E=8.5 MeV/nucleon; measured fission (fragment)(α)-, (fragment)(p)-coin; deduced reversed kinematics advantages.

doi: 10.1016/0168-9002(93)90724-V
Citations: PlumX Metrics


1993WE13      Nucl.Instrum.Methods Phys.Res. A336, 226 (1993)

S.A.Wender, S.Balestrini, A.Brown, R.C.Haight, C.M.Laymon, T.M.Lee, P.W.Lisowski, W.McCorkle, R.O.Nelson, W.Parker, N.W.Hill

A Fission Ionization Detector for Neutron Flux Measurements at a Spallation Source

doi: 10.1016/0168-9002(93)91102-S
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1992PA23      Nucl.Instrum.Methods Phys.Res. A321, 376 (1992)

W.E.Parker, A.Gavron

Examination of Potential Improvements to High Energy Transport Codes

NUCLEAR REACTIONS 197Au(p, X)193Au/194Au/196Au, E=0.2-2.6 GeV; calculated residual production σ. Improved intranuclear cascade, evaporation models.

doi: 10.1016/0168-9002(92)90417-3
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1991PA08      Phys.Rev. C44, 774 (1991)

W.E.Parker, M.Kaplan, D.J.Moses, G.La Rana, D.Logan, R.Lacey, J.M.Alexander, D.M.de Castro Rizzo, P.DeYoung, R.J.Welberry, J.T.Boger

Charged-Particle Evaporation from Hot Composite Nuclei: Evidence over a broad Z range for distortions from cold nuclear profiles

NUCLEAR REACTIONS 12C, 27Al(20Ne, X), E=167 MeV; 12C(40Ar, X), E=340 MeV; 27Al(40Ar, X), E=190 MeV; 12C(56Fe, X), E=476 MeV; 12C(86Kr, X), E=730 MeV; 12C(109Ag, X), E=956 MeV; 27Al, 12C(121Sb, X), E=1.03 GeV; 27Al(109Ag, X), E=956 MeV; measured σ(fragment θ, E), light charged particles; deduced extended nuclear density profile evidence.

doi: 10.1103/PhysRevC.44.774
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1988LA12      Phys.Rev. C37, 2540 (1988)

R.Lacey, N.N.Ajitanand, J.M.Alexander, D.M.de Castro Rizzo, G.F.Peaslee, L.C.Vaz, M.Kaplan, M.Kildir, G.La Rana, D.J.Moses, W.E.Parker, D.Logan, M.S.Zisman, P.DeYoung, L.Kowalski

Mechanisms for Light Charged Particle Emission in the Reactions 247 and 337 MeV 40Ar + (nat)Ag

NUCLEAR REACTIONS Ag(40Ar, pX), (40Ar, dX), (40Ar, tX), (40Ar, αX), (40Ar, X), E=247, 337 MeV; measured σ(θ), σ(Eα, θα); deduced pre-, post scission emission multiplicities. Deformed emitters.

doi: 10.1103/PhysRevC.37.2540
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1988LA13      Phys.Rev. C37, 2561 (1988)

R.Lacey, N.N.Ajitanand, J.M.Alexander, D.M.de Castro Rizzo, G.F.Peaslee, L.C.Vaz, M.Kaplan, M.Kildir, G.La Rana, D.J.Moses, W.E.Parker, D.Logan, M.S.Zisman, P.DeYoung, L.Kowalski

Large-Angle Correlations between 4He and 1,2,3H or 4He in the Reactions 247 and 337 MeV 40Ar + (nat)Ag: Unexpected properties of the nuclear stratosphere

NUCLEAR REACTIONS Ag(40Ar, αX), E=247, 337 MeV; measured α(light fragment)-coin, energy correlations; deduced emission source properties, mechanism.

doi: 10.1103/PhysRevC.37.2561
Citations: PlumX Metrics


1987LA03      Phys.Rev. C35, 373 (1987)

G.La Rana, D.J.Moses, W.E.Parker, M.Kaplan, D.Logan, R.Lacey, J.M.Alexander, R.J.Welberry

Need for New Physics in Statistical Models of Nuclear Deexcitation

NUCLEAR REACTIONS 27Al(40Ar, α), (40Ar, p), E=190 MeV; measured σ(Eα, θ), σ(Ep, θ). Si telescopes. Statistical model calculations.

doi: 10.1103/PhysRevC.35.373
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1987LA13      Phys.Lett. 191B, 253 (1987)

R.Lacey, N.N.Ajitanand, J.M.Alexander, D.M.De Castro Rizzo, P.DeYoung, M.Kaplan, L.Kowalski, G.La Rana, D.Logan, D.J.Moses, W.E.Parker, G.F.Peaslee, L.C.Vaz

Surprising Properties of the Nuclear Stratosphere Indicated by Energy Spectra and Large-Angle Correlations between 4He and 1,2,3H or 4He

NUCLEAR REACTIONS Ag(40Ar, pα), (40Ar, dα), (40Ar, tα), (40Ar, 2α), E=337 MeV; measured σ(Eα, θα), αp-, αd-, αt-, αα-coin. Gas ionization, solid state Si telescopes. Theoretical calculations.

doi: 10.1016/0370-2693(87)90250-4
Citations: PlumX Metrics


1987MO05      Nucl.Phys. A465, 339 (1987)

D.J.Moses, M.Kaplan, M.Kildir, D.R.G.Logan, G.La Rana, W.E.Parker, R.Lacey, G.F.Peaslee, J.M.Alexander, N.N.Ajitanand, L.C.Vaz, M.S.Zisman

Light Charged Particle Emission in 485 MeV 56Fe + 197Au Reactions: Correlations with heavy fragments and relationships to spin and lifetime

NUCLEAR REACTIONS 197Au(56Fe, X), (56Fe, F), E=485 MeV; measured σ(Eα, θα, fragment θ), σ(Ep), σ(Eα), σ(Ep, θp, fragment θ) following fission, deep inelastic scattering; deduced evaporative light-particle multiplicities for each emission source. 252Db deduced T1/2.

doi: 10.1016/0375-9474(87)90438-6
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1987MO12      Phys.Rev. C36, 422 (1987)

D.J.Moses, M.Kaplan, G.La Rana, W.E.Parker, R.Lacey, J.M.Alexander

Nuclear Shape Deformations in 485-MeV 56Fe + 197Au Reactions

NUCLEAR REACTIONS 197Au(56Fe, X), E=485 MeV; analyzed p-, α-energy spectra, σ(θ); deduced emitter deformation role.

doi: 10.1103/PhysRevC.36.422
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1981LA29      Radiochem.Radioanal.Lett. 49, 261 (1981)

J.J.LaBrecque, W.C.Parker, P.A.Rosales

Direct beta excitation for producing characteristic x-rays for x-ray fluorescence analysis


1969TA19      Rev.Mod.Phys. 41, 375 (1969); Reprinted by Academic Press, New York (1970)

B.N.Taylor, W.H.Parker, D.N.Langenberg

Determination of e/h, Using Macroscopic Quantum Phase Coherence in Superconductors: Implications for Quantum Electrodynamics and the Fundamental Physical Constants

doi: 10.1103/RevModPhys.41.375
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1958WA04      Bull.Am.Phys.Soc. 3, No.3, 204, R6 (1958)

R.E.Warner, W.Parker

Carbon Polarimeter for 6 MeV Proton Polarization Measurements


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Note: The following list of authors and aliases matches the search parameter W.Parker: , W.C.PARKER, W.E.PARKER, W.H.PARKER