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NSR database version of May 24, 2024.

Search: Author = M.W.Guidry

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2007MA48      Phys.Rev. C 76, 015803 (2007); Erratum Phys.Rev. C 76, 039901 (2007)

Z.Ma, D.W.Bardayan, J.C.Blackmon, R.P.Fitzgerald, M.W.Guidry, W.R.Hix, K.L.Jones, R.L.Kozub, R.J.Livesay, M.S.Smith, J.S.Thomas, D.W.Visser

Astrophysically important 31S states studied with the 32S(p, d)31S reaction

NUCLEAR REACTIONS 32S(p, d), E=32 MeV; measured Ed, σ and angular distributions. 31S deduced level energies and spectroscopic factors.

doi: 10.1103/PhysRevC.76.015803
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1582. Data from this article have been entered in the XUNDL database. For more information, click here.


2006CH30      Phys.Rev. C 74, 012801 (2006)

K.Y.Chae, D.W.Bardayan, J.C.Blackmon, D.Gregory, M.W.Guidry, M.S.Johnson, R.L.Kozub, R.J.Livesay, Z.Ma, C.D.Nesaraja, S.D.Pain, S.Paulauskas, M.Porter-Peden, J.F.Shriner, Jr., N.Smith, M.S.Smith, J.S.Thomas

First experimental constraints on the interference of (3/2)+ resonances in the 18F(p, α)15O reaction

NUCLEAR REACTIONS 1H(18F, α), E(cm) ≈ 663-877 keV; measured particle spectra, excitation functions; deduced resonance interference effects. 19Ne deduced upper limits on resonance widths. R-matrix calculations.

doi: 10.1103/PhysRevC.74.012801
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1446.


2005NE12      Nucl.Phys. A758, 174c (2005)

C.D.Nesaraja, E.L.Lingerfelt, J.P.Scott, M.S.Smith, W.R.Hix, D.W.Bardayan, J.C.Blackmon, K.Chae, M.W.Guidry, R.A.Meyer

A New Computational Infrastructure For Nuclear Astrophysics

doi: 10.1016/j.nuclphysa.2005.05.173
Citations: PlumX Metrics


2004SM08      Nucl.Phys. A746, 565c (2004)

M.S.Smith, W.R.Hix, S.Parete-Koon, L.Dessieux, Z.Ma, S.Starrfield, D.W.Bardayan, M.W.Guidry, D.L.Smith, J.C.Blackmon, A.Mezzacappa

Element synthesis calculations for stellar explosions: robust uncertainties, sensitivities, and radioactive ion beam measurements

doi: 10.1016/j.nuclphysa.2004.09.091
Citations: PlumX Metrics


2004SM09      Nucl.Phys. A746, 569c (2004)

M.S.Smith, R.A.Meyer, D.W.Bardayan, J.C.Blackmon, K.Chae, M.W.Guidry, W.R.Hix, R.L.Kozub, E.J.Lingerfelt, Z.Ma, J.P.Scott

Nuclear data on unstable nuclei for astrophysics

doi: 10.1016/j.nuclphysa.2004.09.092
Citations: PlumX Metrics


2003BL11      Nucl.Phys. A718, 127c (2003)

J.C.Blackmon, D.W.Bardayan, W.Bradfield-Smith, R.Brummitt, A.E.Champagne, A.A.Chen, T.Davinson, L.Dessieux, M.W.Guidry, K.I.Hahn, G.M.Hale, W.R.Hix, R.L.Kozub, Z.Ma, P.D.Parker, G.Rajbaidya, R.C.Runkle, C.M.Rowland, A.C.Shotter, M.S.Smith, L.A.Van Wormer, D.W.Visser, P.J.Woods

The 14O(α, p)17F Reaction Rate

NUCLEAR REACTIONS 1H(17F, 17F), (17F, 17F'), (17F, 14O), E(cm) ≈ 1-4 MeV; measured particle spectra. 17F(p, p'), E(cm)=2-2.5 MeV; deduced σ. 14O(α, p), E=low; deduced astrophysical reaction rate. R-matrix analysis.

doi: 10.1016/S0375-9474(03)00689-4
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1138.


2003PA54      Astrophys.J. 598, 1239 (2003)

S.Parete-Koon, W.R.Hix, M.S.Smith, S.Starrfield, D.W.Bardayan, M.W.Guidry, A.Mezzacappa

A new 17F(p, γ)18Ne reaction rate and its implications for nova nucleosynthesis

NUCLEAR REACTIONS 17F(p, γ), E=low; analyzed data; deduced reaction rates, implications for nucleosynthesis in novae.

doi: 10.1086/378979
Citations: PlumX Metrics


1999VE06      Nucl.Phys. A653, 355 (1999)

V.Velazquez, J.G.Hirsch, Y.Sun, M.W.Guidry

Backbending in Dy Isotopes within the Projected Shell Model

NUCLEAR STRUCTURE 154,156,158,160,162,164Dy; calculated rotational bands quadrupole moments, B(E2), g-factors; deduced deformation. Projected shell model, comparisons with data.

doi: 10.1016/S0375-9474(99)00238-9
Citations: PlumX Metrics


1996GU10      J.Phys.(London) G22, 425 (1996)

M.W.Guidry, D.H.Feng, X.-W.Pan, C.-L.Wu

Solution of the Nuclear Shell Model by Symmetry-Dictated Truncation

doi: 10.1088/0954-3899/22/4/004
Citations: PlumX Metrics


1996PA03      Phys.Rev. C53, 715 (1996)

X.-W.Pan, J.-L.Ping, D.H.Feng, J.-Q.Chen, C.-L.Wu, M.W.Guidry

Fermion Dynamical Symmetry Model for the Even-Even and Even-Odd Nuclei in the Xe-Ba Region

NUCLEAR STRUCTURE 120,122,124,127,129,131,133,126,128,130,132Xe, 131,133,135,137Ba; calculated levels, B(λ), relative B(λ) in some cases. Fermion dynamical symmetry.

doi: 10.1103/PhysRevC.53.715
Citations: PlumX Metrics


1995GU25      Ann.Phys.(New York) 242, 135 (1995)

M.W.Guidry, C.-L.Wu, D.H.Feng

The Dynamical Pauli Effect

NUCLEAR STRUCTURE 162Dy; calculated 2n-transfer probability to 160Dy ground state. N=84-108; calculated single particle energy. Fermi dynamical symmetry model, dynamical Pauli effect.

doi: 10.1006/aphy.1995.1077
Citations: PlumX Metrics


1995WU03      Phys.Rev. C51, R1086 (1995)

C.-L.Wu, D.H.Feng, M.W.Guidry, H.-T.Chen, X.-W.Pan

Single-Particle Nondegeneracy and SU(3) Fermion Dynamical Symmetry

doi: 10.1103/PhysRevC.51.R1086
Citations: PlumX Metrics


1994LI67      Int.J.Mod.Phys. E3, 1119 (1994)

Z.-P.Li, M.W.Guidry, C.-L.Wu, D.H.Feng

New Microscopic View of Nuclear Deformation

NUCLEAR STRUCTURE N=60-150; analyzed B(E2) systematics, calculations; N=82-126; calculated energy surface primary, secondary minima deformation vs particle number in Sm isotopes, superdeformation discussed. Fermi dynamical symmetry model.

doi: 10.1142/S0218301394000334
Citations: PlumX Metrics


1994PA08      Nucl.Phys. A570, 273c (1994)

X.-W.Pan, D.H.Feng, J.-Q.Chen, M.W.Guidry

The Mottelson-Valatin Effect in the SO(5) Scheme

NUCLEAR STRUCTURE 128Xe, 132Ba; calculated SO(5) level spectra; deduced τ-bunching, SO(6) symmetry properties violation in γ-soft nuclei.

doi: 10.1016/0375-9474(94)90292-5
Citations: PlumX Metrics


1994PA09      Phys.Rev. C49, 2493 (1994)

X.-W.Pan, D.H.Feng, J.-Q.Chen, M.W.Guidry

τ Compression in the SO(5) Scheme

NUCLEAR STRUCTURE 132Ba; calculated levels. 128Xe; calculated levels, B(λ); deduced τ-compression features, origin. SO(6)+ pairing model.

doi: 10.1103/PhysRevC.49.2493
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1994WE13      Nucl.Phys. A578, 1 (1994)

T.R.Werner, J.Dobaczewski, M.W.Guidry, W.Nazarewicz, J.A.Sheikh

Microscopic Aspects of Nuclear Deformation

NUCLEAR STRUCTURE N ≤ 110; calculated equilibrium deformations for Kr, Sr, Zr, Mo, Gd, Er, Hf isotopes. 92,106Mo; calculated potential energy curves, ground state, deformation energies. Skyrme Hartree-Fock + BCS model based self-consistent approach.

doi: 10.1016/0375-9474(94)90966-0
Citations: PlumX Metrics


1993FE07      Phys.Rev. C48, R1488 (1993)

D.H.Feng, M.W.Guidry, X.-W.Pan, C.-L.Wu, I.Zlatev

Effective Fermion SO(6) Dynamical Symmetry in the Platinum Nuclei

NUCLEAR STRUCTURE 196Pt; calculated levels; deduced fermion SO(6) dynamical symmetry evidence.

doi: 10.1103/PhysRevC.48.R1488
Citations: PlumX Metrics


1993GU08      Phys.Rev. C48, 1739 (1993)

M.W.Guidry, M.R.Strayer, C.-L.Wu, D.H.Feng

Some General Constraints on Identical Band Symmetries

NUCLEAR STRUCTURE 192,194,196Hg, 234,236,238U, 238,240,242,244Pu, 246,248Cm, 248,250Cf; analyzed band structure; deduced normal, superdeformed identical bands related features.

doi: 10.1103/PhysRevC.48.1739
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1993HE14      Phys.Rev. C48, 1879 (1993)

K.G.Helmer, C.Y.Wu, D.Cline, A.E.Kavka, W.J.Kernan, E.G.Vogt, M.W.Guidry, X.L.Han, R.W.Kincaid, X.T.Liu, H.Schecter, J.O.Rasmussen, A.Shihab-Eldin, M.A.Stoyer, M.L.Halbert

Search for Diabolical Pair Transfer in Two-Neutron Transfer Reactions

NUCLEAR REACTIONS 206Pb(156Gd, 154Gd), (156Gd, 158Gd), E=888 MeV; measured Eγ, Iγ, γ-ray multiplicity; deduced diabolical pair transfer related features.

doi: 10.1103/PhysRevC.48.1879
Citations: PlumX Metrics


1993KI03      Phys.Rev. C47, 277 (1993)

R.W.Kincaid, H.Schechter, M.W.Guidry, S.Landowne, R.Donangelo, G.Leander

Semiclassical Particle-Rotor Model of One-Neutron Transfer Reactions

NUCLEAR REACTIONS 161Dy(58Ni, 59Ni), E=270 MeV; 161Dy(116Sn, 117Sn), E=637 MeV; analyzed nucleon transfer probabilities data; deduced transfer to ground, excited states bands. Semi-classical particle-rotor model.

doi: 10.1103/PhysRevC.47.277
Citations: PlumX Metrics


1993WU05      Nucl.Phys. A565, 455 (1993)

L.-A.Wu, C.-L.Wu, M.W.Guidry, D.H.Feng

The Polarization Effect of SO(6) in the Fermion Dynamical Symmetry Model

NUCLEAR STRUCTURE 133La; calculated levels; deduced band structure. Fermion dynamical symmetry model, SO(6) polarization effect.

doi: 10.1016/0375-9474(93)90221-I
Citations: PlumX Metrics


1993WU06      Ann.Phys.(New York) 222, 187 (1993)

C.-L.Wu, D.H.Feng, M.W.Guidry

Nuclear Superdeformation and the Supershell Fermion Dynamical Symmetry Model

NUCLEAR STRUCTURE Z=60-110; N=60-150; calculated regions favorable for superdeformation. Other aspects related to superdeformation discussed. Supershell fermion dynamical symmetry model.

doi: 10.1006/aphy.1993.1021
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1992HA06      Phys.Rev. C45, 1127 (1992)

X.-L.Han, C.-L.Wu, D.H.Feng, M.W.Guidry

Nuclear Masses in the Fermion Dynamical Symmetry Model

NUCLEAR STRUCTURE Z ≥ 82; N ≥ 126; calculated neutron, proton separation pairing gap energies. Z=98, 114; calculated mass shell corrections components. Fermion dynamical symmetry model.

doi: 10.1103/PhysRevC.45.1127
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1991CH17      Phys.Rev. C44, 559 (1991)

J.-Q.Chen, D.H.Feng, M.W.Guidry, C.-L.Wu

Comment on ' Comparison of Realistic and Symmetry-Determined S and D Pairs of 156Gd '

NUCLEAR STRUCTURE 156Gd; analyzed S-, D-pair determination criteria.

doi: 10.1103/PhysRevC.44.559
Citations: PlumX Metrics


1991KE04      Nucl.Phys. A524, 344 (1991)

W.J.Kernan, C.Y.Wu, X.T.Liu, X.L.Han, D.Cline, T.Czosnyka, M.W.Guidry, M.L.Halbert, S.Juutinen, A.E.Kavka, R.W.Kincaid, J.O.Rasmussen, S.P.Sorensen, M.A.Stoyer, E.G.Vogt

Heavy-Ion Induced Transfer Reactions with Spherical and Deformed Nuclei

NUCLEAR REACTIONS 117,118Sn, 161,162,163,164Dy(58Ni, X), (112Sn, X), (116Sn, X), E=285-637 MeV; measured Eγ, Iγ, γ(fragment)-coin; deduced quasielastic channels σ. DWBA, semi-classical calculations, pairing degrees of freedom. 4π soectrometer.

doi: 10.1016/0375-9474(91)90030-A
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1991LI01      Phys.Rev. C43, R1 (1991)

X.T.Liu, D.Cline, T.Czosnyka, M.W.Guidry, X.L.Han, A.E.Kavka, W.J.Kernan, R.W.Kincaid, S.P.Sorensen, E.G.Vogt, C.Y.Wu

Two-Neutron Pairing Enhancement Factors

NUCLEAR REACTIONS 162Dy(116Sn, 118Sn), 161Dy(116Sn, 117Sn), E=637 MeV; 162Dy(58Ni, 60Ni), 161Dy(58Ni, 59Ni), E=345 MeV; measured γ-spectra; deduced two-neutron pairing enhancement factors. 160Dy levels deduced one-, two-neutron pickup probabilities.

doi: 10.1103/PhysRevC.43.R1
Citations: PlumX Metrics


1991WU04      Phys.Rev.Lett. 66, 1377 (1991)

C.-L.Wu, D.H.Feng, M.W.Guidry

Comment on ' Spin Alignment in Superdeformed Hg Nuclei '

NUCLEAR STRUCTURE 192,194Hg; analyzed superdeformed band data; deduced spin alignment features.

doi: 10.1103/PhysRevLett.66.1377
Citations: PlumX Metrics


1990CA21      Phys.Lett. 241B, 295 (1990)

L.F.Canto, R.J.Donangelo, M.W.Guidry, A.F.Farhan, J.O.Rasmussen, P.Ring, M.A.Stoyer

Alder-Winther-De Boer Method Applied to Diabolical Two-Neutron Transfer

NUCLEAR REACTIONS 160Dy(208Pb, X), E=1100 MeV; calculated nucleon transfer probability fpr X=206Pb; deduced Berry phase signature.

doi: 10.1016/0370-2693(90)91645-R
Citations: PlumX Metrics


1990WU05      Fizika(Zagreb) 22, 123 (1990)

C.-L.Wu, M.W.Guidry, D.H.Feng, J.Q.Chen

β-γ Vibrations and SU3 Symmetry in the Fermion Dynamical Symmetry Model

NUCLEAR STRUCTURE A > 228; calculated (β-γ) vibrational bandhead energies. Fermion dynamical symmetry model.


1989WU02      Phys.Rev. C39, 298 (1989)

C.Y.Wu, X.T.Liu, W.J.Kernan, D.Cline, T.Czosnyka, M.W.Guidry, A.E.Kavka, R.W.Kincaid, B.Kotlinski, S.P.Sorensen, E.Vogt

Evidence for Oscillating Two-Neutron Transfer Probabilities at Large Radial Separation in Heavy-Ion Reactions

NUCLEAR REACTIONS 162Dy(58Ni, 60Ni), E=285, 345 MeV; 162Dy(116Sn, 118Sn), E=637 MeV; measured σ(E(γ), θ), total Eγ, γ-multiplicity; deduced two-nucleon transfer probability features.

doi: 10.1103/PhysRevC.39.298
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1988FE01      Phys.Rev. C37, 101 (1988)

M.P.Fewell, N.R.Johnson, F.K.McGowan, J.S.Hattula, I.Y.Lee, C.Baktash, Y.Schutz, J.C.Wells, L.L.Riedinger, M.W.Guidry, S.C.Pancholi

Lifetimes of Yrast and Near-Yrast States of 159,160,161Yb

NUCLEAR REACTIONS 116Cd(48Ti, xn), E=205 MeV; 48Ti(116Cd, xn), E=495 MeV; measured Eγ, Iγ, total energy spectra, recoil distance. 159,160,161Yb deduced levels, J, π, sidefeeding Iγ, transition quadrupole moments, band structure.

doi: 10.1103/PhysRevC.37.101
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1988FE03      Phys.Lett. 205B, 157 (1988)

D.H.Feng, C.-L.Wu, M.W.Guidry, Z.-P.Li

Dynamical Pauli Effects and the Saturation of Nuclear Collectivity

NUCLEAR STRUCTURE Z=52-82; N=52-82; Z=82-126; N=126-184; analyzed B(E2). Fermion dynamical symmetry model.


1988KR16      Phys.Rev. C38, 2674 (1988)

A.J.Kreiner, J.Davidson, M.Davidson, H.Mosca, L.L.Riedinger, C.R.Bingham, M.W.Guidry, A.C.Kahler

Shape Coexistence in 189Tl

NUCLEAR REACTIONS 169Tm(24Mg, 4n), E=125 MeV; 165Ho(28Si, 4n), E=140 MeV; 175Lu(20Ne, 6n), E=128 MeV; measured σ(Eγ, θγ), Eγ, Iγ, Iγ(θ). 189Tl deduced levels, J, π. Ge detectors.

doi: 10.1103/PhysRevC.38.2674
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1987BU10      Phys.Lett. 191B, 333 (1987)

P.A.Butler, C.Baktash, C.R.Bingham, M.Carpenter, D.Cline, B.Cox, M.W.Guidry, S.Juutinen, A.E.Kavka, W.J.Kernan, R.W.Kincaid, A.Larabee, I.Y.Lee, X.T.Liu, S.P.Sorensen, E.Vogt, C.Y.Wu

Observation of Intrinsic Excitation in 160Dy following Heavy-Ion Transfer Reactions

NUCLEAR REACTIONS 161Dy(58Ni, 59Ni), E=270 MeV; measured Eγ, Iγ, γγ-coin. 160Dy deduced levels, J, π, decay, band characteristics. Ge, NaI detectors.

doi: 10.1016/0370-2693(87)90618-6
Citations: PlumX Metrics


1987GU06      Phys.Lett. 187B, 210 (1987)

M.W.Guidry, C.-L.Wu, Z.-P.Li, D.H.Feng, J.N.Ginocchio

An Algerbraic Fermion Description of Band Termination and Loss of Collectivity in Heavy Nuclei

NUCLEAR STRUCTURE 162Dy, 160,166,174,176Yb, 168,172W; calculated B(E2) ratio relative to rigid rotor value. Algebraic fermion model.

doi: 10.1016/0370-2693(87)91082-3
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1987GU14      Phys.Rev. C36, 609 (1987)

M.W.Guidry, R.Donangelo, J.O.Rasmussen, M.S.Hussein

Zero-Point Fluctuations and the Diffuseness of the Nuclear Surface

NUCLEAR REACTIONS 114Cd(58Ni, X), E=230 MeV; 114Cd(16O, X), E=50 MeV; 114Cd(α, X), E=15 MeV; calculated photon number vs phase angle. Zero point fluctuations.

NUCLEAR STRUCTURE 114Cd, 106,110Pd, 104Ru, 126,130Te; calculated inertial parameters, spring constants, zero point amplitudes.

doi: 10.1103/PhysRevC.36.609
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1987HA18      Phys.Lett. 192B, 253 (1987)

X.-L.Han, M.W.Guidry, D.H.Feng, K.-X.Wang, C.-L.Wu

Evidence for Nuclear Shell Symmetries

NUCLEAR STRUCTURE Z=36-100; calculated even-even nuclei B(E2) ratios; deduced shell symmetry evidence. Fermion dynamical symmetry model.

doi: 10.1016/0370-2693(87)90100-6
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1987HA36      Phys.Rev. C36, 2132 (1987)

R.L.Hahn, K.S.Toth, Y.LeBeyec, B.Lagarde, M.W.Guidry

Reactions with 40Ar and 84Kr Leading to the same Compound Nucleus, 200Po

NUCLEAR REACTIONS 160Dy(40Ar, xn)200Po, E=160-225 MeV; 116Cd(84Kr, xn)200Po, E=320-420 MeV; measured residual production σ(E). Statiscal model.

doi: 10.1103/PhysRevC.36.2132
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1987JU03      Phys.Lett. 192B, 307 (1987)

S.Juutinen, X.T.Liu, S.Sorensen, B.Cox, R.W.Kincaid, C.R.Bingham, M.W.Guidry, W.J.Kernan, C.Y.Wu, E.Vogt, T.Czosnyka, D.Cline, M.L.Halbert, I.Y.Lee, C.Baktash

Anomalous Two-Neutron Transfer Cross Sections at Large Separation in Heavy Ion Reactions

NUCLEAR REACTIONS 161,163Dy(116Sn, 117Sn), 162,164Dy(116Sn, 118Sn), E=637 MeV; 161Dy(58Ni, 59Ni), 162Dy(58Ni, 60Ni), E=345 MeV; measured two-particle transfer probabilities vs closest approach distance, Eγ vs γ-multiplicity; deduced slope parameters. Position sensitive detectors, spin spectrometer.

doi: 10.1016/0370-2693(87)90111-0
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1987MC01      Phys.Rev. C35, 968 (1987)

F.K.McGowan, N.R.Johnson, I.Y.Lee, W.T.Milner, C.Roulet, R.M.Diamond, F.S.Stephens, M.W.Guidry

Test of the Triaxial Rotor Model and the Interacting Boson-Fermion Approximation Model Description of Collective States in 193Ir

NUCLEAR REACTIONS 191,193Ir(40Ar, 40Ar'), E=160 MeV; 191,193Ir(136Xe, 136Xe'), E=617 MeV; measured Eγ, Iγ, relative γ-ray yields following Coulomb excitation. 191,193Ir deduced levels, J, π, K, B(E2). Enriched targets, parallel plate avalanche counters.

doi: 10.1103/PhysRevC.35.968
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1987WU03      Phys.Lett. 188B, 25 (1987)

C.Y.Wu, X.T.Liu, S.P.Sorensen, R.W.Kincaid, M.W.Guidry, D.Cline, W.J.Kernan, E.Vogt, T.Czosnyka, A.E.Kavka, M.A.Stoyer, J.O.Rasmussen, M.L.Halbert

Population of High-Spin States in the Actinide Region by Heavy-Ion Transfer Reactions

NUCLEAR REACTIONS 235U(58Ni, 59Ni), E=325 MeV; measured Eγ, Iγ, γ-multiplicity; deduced reaction mechanism. 234U deduced levels, J, π. Enriched Target.

doi: 10.1016/0370-2693(87)90699-X
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1987WU06      Phys.Lett. 194B, 447 (1987)

C.-L.Wu, X.-L.Han, Z.-P.Li, M.W.Guidry, D.H.Feng

A Microscopic Formula for Actinide Masses

NUCLEAR STRUCTURE Z=82-126; calculated masses. Dynamical symmetry, microscopic approach.

doi: 10.1016/0370-2693(87)90214-0
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1986GU11      Phys.Lett. 176B, 1 (1986)

M.W.Guidry, C.-L.Wu, D.H.Feng, J.N.Ginocchio, X.-G.Chen, J.-Q.Chen

A Fermion Dynamical Symmetry Model for High-Spin Physics

NUCLEAR STRUCTURE 232Th; calculated levels, E2 matrix elements. 160Yb; calculated levels, alignment. Interacting boson model, dynamical symmetry.

doi: 10.1016/0370-2693(86)90913-5
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1986MC01      Phys.Rev. C33, 855 (1986)

F.K.McGowan, N.R.Johnson, I.Y.Lee, W.T.Milner, C.Roulet, J.Hattula, M.P.Fewell, Y.A.Ellis-Akovali, R.M.Diamond, F.S.Stephens, M.W.Guidry

Test of the Triaxial Rotor Model and the Interacting Boson Fermion Approximation Model Description of Collective States in 191Ir

NUCLEAR REACTIONS 191Ir(40Ar, 40Ar'), E=160 MeV; 191Ir(136Xe, 136Xe'), E=617 MeV; measured Eγ, Iγ(θ) following Coulomb excitation. 191Ir deduced levels, J, π, B(λ).

doi: 10.1103/PhysRevC.33.855
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1985BU22      Nucl.Instrum.Methods 239, 221 (1985)

P.A.Butler, K.A.Connell, J.D.Burrows, A.M.Y.El-Lawindy, M.W.Guidry, A.N.James, G.D.Jones, C.Lauterbach, T.P.Morrison, J.Simpson

The Application of a Multiple Gas Counter Spectrometer to the Study of Heavy Ion Reactions

NUCLEAR REACTIONS 163Dy(58Ni, 58Ni'), (58Ni, 59Ni), E=280-304 MeV; measured (particle)γ-coin, s(θ). Multiple gas counter spectrometer.

doi: 10.1016/0168-9002(85)90719-3
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1985FE02      Phys.Rev. C31, 1057 (1985)

M.P.Fewell, N.R.Johnson, F.K.McGowan, J.S.Hattula, I.Y.Lee, C.Baktash, Y.Schutz, J.C.Wells, L.L.Riedinger, M.W.Guidry, S.C.Pancholi

Collectivity of 160,161Yb at High Spin

NUCLEAR REACTIONS 116Cd(48Ti, xn), 48Ti(116Cd, xn), E(cm)=145 MeV; measured γ-spectra, recoil distance. 160,161Yb levels deduced T1/2, γ-branching, quadrupole moments, yrast sequence, quasiparticle alignment role, induced triaxiality.

doi: 10.1103/PhysRevC.31.1057
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1985GU04      Phys.Lett. 150B, 265 (1985)

M.W.Guidry, R.W.Kincaid, R.Donangelo

Angular Momentum Transfer in very Heavy Ion Direct Reactions

NUCLEAR REACTIONS 156Gd, 238U(208Pb, X), (120Sn, X), (58Ni, X), (16O, X), E not given; calculated particle transfer probability vs angular momentum.

doi: 10.1016/0370-2693(85)91008-1
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1985GU15      Phys.Lett. 163B, 79 (1985)

M.W.Guidry, S.Juutinen, X.T.Liu, C.R.Bingham, A.J.Larabee, L.L.Riedinger, C.Baktash, I.Y.Lee, M.L.Halbert, D.Cline, B.Kotlinski, W.J.Kernan, T.M.Semkow, D.G.Sarantites, K.Honkanen, M.Rajagopalan

Population of High Spin States in Transfer Reactions with very Heavy Ions

NUCLEAR REACTIONS 161Dy(58Ni, 59Ni), E=270 MeV; measured (particle)(particle)γ-coin; deduced reaction mechanism. 160Dy deduced levels, J, π, yrast sequence.

doi: 10.1016/0370-2693(85)90196-0
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1984DO05      Phys.Rev. C29, 1925 (1984)

R.Donangelo, M.W.Guidry, R.E.Neese, M.J.Rhoades-Brown

Angular Localization and Approximations to the Deformed Nuclear Potential in Heavy-Ion Reactions

NUCLEAR REACTIONS 160Gd(40Ar, 40Ar'), E=140-180 MeV; calculated projectile excitation probability vs E. Deformed potential, Woods-Saxon form factors.

doi: 10.1103/PhysRevC.29.1925
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1984GU22      Nucl.Phys. A430, 485 (1984)

M.W.Guidry, R.E.Neese, C.R.Bingham, L.L.Riedinger, J.A.Vrba, I.Y.Lee, N.R.Johnson, G.R.Satchler, P.A.Butler, R.Donangelo, J.O.Rasmussen, D.L.Hillis, H.H.Kluge

Heavy-Ion Inelastic Scattering from Deformed Nuclei

NUCLEAR REACTIONS 162Dy(16O, 16O'), E=50-68 MeV; 232Th(86Kr, 86Kr'), E=350-450 MeV; 160Gd(40Ar, 40Ar'), E=100-170 MeV; 162Dy(40Ar, 40Ar'), E=120-170 MeV; 180Hf(40Ar, 40Ar'), E=135-175 MeV; 156Gd, 164Dy(40Ar, 40Ar'), E=120-160 MeV; measured γ(particle)-coin, σ(E); deduced ion-ion potentials. Gamma spectroscopy. Classical limit.

doi: 10.1016/0375-9474(84)90050-2
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1982JO04      Phys.Rev. C26, 1004 (1982)

N.R.Johnson, I.Y.Lee, F.K.McGowan, T.T.Sugihara, S.W.Yates, M.W.Guidry

Lifetimes of States in the Transitional Nucleus 152Gd

NUCLEAR REACTIONS 152Gd(40Ar, 40Ar'), E=147.2 MeV; measured Coulomb excitation, DSA, recoil. 152Gd levels deduced T1/2, B(E2).

doi: 10.1103/PhysRevC.26.1004
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1982LE07      Phys.Rev. C25, 1865 (1982)

I.Y.Lee, N.R.Johnson, F.K.McGowan, R.L.Robinson, M.W.Guidry, L.L.Riedinger, S.W.Yates

Structure of Multiphonon Vibrational States in 108,110Pd

NUCLEAR REACTIONS 108,110Pd(40Ar, 40Ar'), E=120, 129.1 MeV; measured Eγ, Iγ, γ-yields, Coulomb excitation, γ(θ). 108,110Pd deduced levels, γ-branching, B(E2), multiphonon vibrational character. Boson expansion, interacting boson model.

doi: 10.1103/PhysRevC.25.1865
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1981GU05      Nucl.Phys. A361, 275 (1981)

M.W.Guidry, T.L.Nichols, R.E.Neese, J.O.Rasmussen, L.F.Oliveira, R.Donangelo

Two-Nucleon Transfer Reactions in Deformed Nuclei using very Heavy Ions

NUCLEAR REACTIONS 154Sm(132Xe, 134Xe), E=500-580 MeV; calculated two-nucleon transfer probability to ground state bands. 158Gd(132Xe, 132Xe'), E=540 MeV; calculated ground state band excitation probability. Semiclassical method.

doi: 10.1016/0375-9474(81)90479-6
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1981LE11      Phys.Rev. C24, 293 (1981)

I.Y.Lee, N.R.Johnson, F.K.McGowan, G.R.Young, M.W.Guidry, S.W.Yates

Isomeric and High-Spin States of 94Tc and the Search for Yrast Isomers near N ≈ 50

NUCLEAR REACTIONS 76Ge, 78Se(20Ne, xnyp), E=80.9 MeV; 89Y, 93Nb(10B, xnyp), E=52, 58.4, 62.8 MeV; measured Eγ, Iγ, γγ-, γ(X-ray)-coin, γγ(t). 94Tc deduced levels, isomer T1/2, yrast transition sequence.

doi: 10.1103/PhysRevC.24.293
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1981RH01      Phys.Rev. C24, 2747 (1981)

M.J.Rhoades-Brown, R.J.Donangelo, M.W.Guidry, R.E.Neese

Quantum-Mechanical and Classical-Limit Coupled-Channels Calculations for very Heavy Systems

NUCLEAR REACTIONS 160Gd(40Ar, 40Ar'), E=120-180 MeV; calculated collective state excitation probabilities. Coupled-channels calculation, quantum, classical limits.

doi: 10.1103/PhysRevC.24.2747
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1980JO08      Phys.Rev. C22, 2416 (1980)

N.R.Johnson, M.W.Guidry, R.J.Sturm, E.Eichler, R.O.Sayer, D.C.Hensley, N.C.Singhal

Lifetimes of Rotational States in 154Sm

NUCLEAR REACTIONS 154Sm(40Ar, 40Ar'), E=146, 153 MeV; measured Doppler shift, recoil, Coulomb excitation, Eγ, Iγ. 154Sm levels deduced T1/2, B(E2). Ridid rotor model.

doi: 10.1103/PhysRevC.22.2416
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1980VR01      Phys.Rev. C22, 755 (1980)

J.A.Vrba, C.R.Bingham, M.W.Guidry, R.E.Neese, E.E.Gross, T.P.Cleary, D.C.Hensley, E.V.Hungerford

Search for α-Decay of High Spin Isomers in Rare Earth Nuclei

NUCLEAR REACTIONS 142Nd(16O, xnypzα), E=146, 144, 135, 126 MeV; 139La, 141Pr(16O, xnypzα), E=146 MeV; measured limits on Eα, Iα, T1/2. 146,147,149Gd, 148Tb, 149,150,151,152Dy, 150,151,152Ho, 150,151,154Er levels deduced α-branching limit. Decay-in-flight technique.

doi: 10.1103/PhysRevC.22.755
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1980YA03      Phys.Rev. C21, 2366 (1980)

S.W.Yates, I.Y.Lee, N.R.Johnson, E.Eichler, L.L.Riedinger, M.W.Guidry, A.C.Kahler, D.Cline, R.S.Simon, P.A.Butler, P.Colombani, F.S.Stephens, R.M.Diamond, R.M.Ronningen, R.D.Hichwa, J.H.Hamilton, E.L.Robinson

High-Spin Properties of 164Er in the Multiple Band Crossing Region

NUCLEAR REACTIONS 150Nd(18O, 4n), E=69.6 MeV; 164Dy(α, 4n), E=51 MeV; 164Er(136Xe, 136Xe'γ), E=547, 612, 620 MeV; measured Eγ, Iγ, γγ-coin, Doppler-broadened lineshapes, multiple Coulomb excitation probabilities. 164Er deduced levels, J, π, T1/2, B(E2). Two quasiparticle plus rotor model.

doi: 10.1103/PhysRevC.21.2366
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1979GU15      Phys.Rev. C20, 1814 (1979)

M.W.Guidry, I.Y.Lee, N.R.Johnson, P.A.Butler, D.Cline, P.Colombani, R.M.Diamond, F.S.Stephens

Reduced Transition Probabilities and Energies of High-Spin States in 162Dy

NUCLEAR REACTIONS 162Dy(136Xe, 136Xe'), E(lab)=547, 612 MeV; measured T1/2, Eγ. 162Dy levels deduced B(E2).

doi: 10.1103/PhysRevC.20.1814
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1979NE05      Phys.Lett. 85B, 201 (1979)

R.E.Neese, M.W.Guidry, R.Donangelo, J.O.Rasmussen

Surface Structure of Deformed Nuclei by Radial and Angular Localization in Heavy Ion Scattering

NUCLEAR REACTIONS 160Gd(40Ar, 40Ar'), E=100-160 MeV; calculated excitation functions; deduced HI potential, semi-classical model, deformed nuclei.

doi: 10.1016/0370-2693(79)90578-1
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1979RA34      Nucl.Phys. A332, 82 (1979)

J.O.Rasmussen, M.W.Guidry, T.E.Ward, C.Castaneda, L.K.Peker, E.Leber, J.H.Hamilton

Rotational Energy Expressions and Least-Squares Fitting of Backbenders and Similar Nuclei

NUCLEAR STRUCTURE 130,132,134Ce, 158,160,162,164Er, 158Dy, 164,166,168Yb, 170W, 182Os; calculated rotational energies. Yrast, yrare states, band mixing, pairing interaction, Coriolis coupling.

doi: 10.1016/0375-9474(79)90096-4
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1978DO11      Nucl.Phys. A308, 136 (1978)

R.Donangelo, L.F.Oliveira, J.O.Rasmussen, M.W.Guidry

Classical-Limit Description of Rotation-Vibrational Band Excitation in Deformed Even-Even Nuclei

NUCLEAR REACTIONS 238U(40Ar, 40Ar'), E=170 MeV; 238U(86Kr, 86Kr'), E=400 MeV; calculated Coulomb excitation probability for K=0 octupole band in 238U.

doi: 10.1016/0375-9474(78)90446-3
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1978GU03      Phys.Rev.Lett. 40, 1016 (1978)

M.W.Guidry, P.A.Butler, R.Donangelo, E.Grosse, Y.El Masri, L.Y.Lee, F.S.Stephens, R.M.Diamond, L.L.Riedinger, C.R.Bingham, A.C.Kahler, J.A.Vrba, E.L.Robinson, N.R.Johnson

Coulomb-Nuclear Interference for High-Spin States Excited by 86Kr, 40Ar, and 16O Projectiles

NUCLEAR REACTIONS 232Th(86Kr, 86Kr'γ), E=350-450 MeV; 238U(40Ar, 40Ar'γ), E=140-220 MeV; 162Dy(16O, 16O'γ), E=50-70 MeV; measured HI γ-coin; deduced Coulomb-nuclear interference.

doi: 10.1103/PhysRevLett.40.1016
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1978SA03      Phys.Rev. C17, 1026 (1978)

R.O.Sayer, E.Eichler, N.C.Singhal, R.Sturm, N.R.Johnson, M.W.Guidry

Recoil-Distance Measurement of Lifetimes of Rotational States in 164Dy

NUCLEAR REACTIONS 164Dy(40Ar, 40Ar'), E=152.6 MeV; measured Eγ, recoil distance DSA. 164Dy levels deduced T1/2, B(E2).

doi: 10.1103/PhysRevC.17.1026
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1976DO09      Phys.Lett. 64B, 377 (1976)

R.Donangelo, M.W.Guidry, J.P.Boisson, J.O.Rasmussen

The Classical-Limit S-Matrix for Coulomb Excitation

NUCLEAR REACTIONS 168Er(d, d'), E=7 MeV; 168Er(α, α'), E=14 MeV; 168Er(10Be, 10Be'), E=45 MeV; calculated Coulomb excitation probabilities in 168Er.

doi: 10.1016/0370-2693(76)90100-3
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1976GU06      Phys.Rev. C13, 1164 (1976)

M.W.Guidry, R.J.Sturm, N.R.Johnson, E.Eichler, G.D.O'Kelley, N.C.Singhal, R.O.Sayer

Recoil Distance Lifetimes of Rotational States in 236U

NUCLEAR REACTIONS 236U(40Ar, 40Ar'γ), E=153, 155 MeV; measured Coulomb excitation. 236U levels deduced T1/2, B(E2), quadrupole moment.

doi: 10.1103/PhysRevC.13.1164
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1976GU12      Nucl.Phys. A266, 228 (1976)

M.W.Guidry, P.A.Butler, P.Colombani, I.Y.Lee, D.Ward, R.M.Diamond, E.Eichler, N.R.Johnson, R.Sturm

Reduced Transition Probabilities for High-Spin States in 232Th

NUCLEAR REACTIONS 232Th(84Kr, 84Kr'γ), E=385 MeV; 232Th(136Xe, 136Xe'γ), E=595, 623 MeV; measured recoil distance, Doppler broadened lineshape, Coulomb excitation yields. 232Th 6+-18+ levels deduced T1/2, B(E2). Results compared with theory.

doi: 10.1016/0375-9474(76)90292-X
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1976GU16      Nucl.Phys. A274, 183 (1976)

M.W.Guidry, H.Massmann, R.Donangelo, J.O.Rasmussen

Theory of Coulomb-Nuclear Interference for Heavy-Ion Excitation of Rotational States

NUCLEAR REACTIONS 238U(40Ar, X), E=150-200 MeV; calculated Coulomb-nuclear interference.

doi: 10.1016/0375-9474(76)90236-0
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1976LE18      Phys.Rev.Lett. 37, 420 (1976)

I.Y.Lee, D.Cline, R.S.Simon, P.A.Butler, P.Colombani, M.W.Guidry, F.S.Stephens, R.M.Diamond, N.R.Johnson, E.Eichler

Coulomb Excitation into the Backbend Region of 164Er

NUCLEAR REACTIONS 164Er(136Xe, 136Xe'γ), E=612, 547 MeV; measured multiple Coulomb excitation, 136Xe'γ-coin. 164Dy(α, 4n), E=51 MeV; measured Eγ, Iγ, γγ-coin. 164Er levels deduced B(E2), backbending.

doi: 10.1103/PhysRevLett.37.420
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1975GU21      Phys.Rev. C12, 1937 (1975)

M.W.Guidry, E.Eichler, N.R.Johnson, G.D.O'Kelley, R.J.Sturm, R.O.Sayer

Sign of the E4 Moment in 236U by Multiple Coulomb Excitation with 40Ar Ions

NUCLEAR REACTIONS 236U(40Ar, 40Ar'), E=145.8, 152.4 MeV; measured multiple coulomb excitation. 236U levels deduced M(E4), sign of E4 moment.

doi: 10.1103/PhysRevC.12.1937
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1975JO07      Phys.Rev. C12, 1927 (1975)

N.R.Johnson, R.J.Sturm, E.Eichler, M.W.Guidry, G.D.O'Kelley, R.O.Sayer, D.C.Hensley, N.C.Singhal, J.H.Hamilton

Lifetimes of Rotational States in 232Th

NUCLEAR REACTIONS 232Th(40Ar, 40Ar'γ), E=152 MeV; measured recoil-distance DSA, 40Ar'γ-coin. 232Th levels deduced T1/2, B(E2). Coulomb excitation.

doi: 10.1103/PhysRevC.12.1927
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