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Search: Author = J.D.Garrett

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1999MU05      Phys.Rev. C59, 2009 (1999)

W.F.Mueller, H.Q.Jin, J.M.Lewis, W.Reviol, L.L.Riedinger, M.P.Carpenter, C.Baktash, J.D.Garrett, N.R.Johnson, I.Y.Lee, F.K.McGowan, C.-H.Yu, S.Cwiok

High-Spin Structure in 181, 183Au

NUCLEAR REACTIONS 152Sm(35Cl, 4n), E=170 MeV; 150Sm(35Cl, 4n), E=168 MeV; measured Eγ, Iγ, γγ-coin. 181,183Au deduced high-spin levels, J, π, configurations, rotational band features.

NUCLEAR STRUCTURE 169,171,173,175,177,179Re, 171,173,175,177,179,181,183Ir, 177,179,181,183,185Au; calculated bandhead excitation energies, configurations, deformation parameters. 179Ir, 181,183,185Au; calculated Routhians, B(M1)/B(E2). Macroscopic-microscopic shell correction model.

doi: 10.1103/PhysRevC.59.2009
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1997GA05      Phys.Lett. 392B, 24 (1997)

J.D.Garrett, J.Q.Robinson, A.J.Foglia, H.-Q.Jin

Nuclear Level Repulsion and Order vs. Chaos

NUCLEAR STRUCTURE Z=62-75; A=155-185; analyzed level spacings distributions. Statistical approach, level repulsion, order vs chaos discussed.

doi: 10.1016/S0370-2693(96)01528-6
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1997GA06      Nucl.Phys. A616, 3c (1997)

J.D.Garrett

The Latest from the New Holifield Radioactive Ion Beam Facility at Oak Ridge National Laboratory

doi: 10.1016/S0375-9474(97)00068-7
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1997GR07      Phys.Rev. C56, R591 (1997)

C.J.Gross, D.Rudolph, W.Satula, J.Alexander, C.Baktash, P.J.Coleman-Smith, D.M.Cullen, R.A.Cunningham, J.D.Garrett, W.Gelletly, A.Harder, M.K.Kabadiyski, I.Lazarus, K.P.Lieb, H.A.Roth, D.G.Sarantites, J.A.Sheikh, J.Simpson, O.Skeppstedt, B.J.Varley, D.D.Warner

Identification of Excited States in the T(z) = + 1/2 Nucleus 75Rb: The quest for experimental signatures of collective neutron-proton correlations

NUCLEAR REACTIONS 40Ca(40Ca, pα), E=128 MeV; measured Eγ, Iγ, γγγ-coin, (recoil)γ-coin. 75Rb deduced high-spin levels, J, π, configurations. CSM analysis, TRS calculations EUROGAM, RMS.

doi: 10.1103/PhysRevC.56.R591
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1996BI06      Phys.Rev. C53, 3165 (1996)

K.S.Bindra, P.F.Hua, B.R.S.Babu, C.Baktash, J.Barreto, D.M.Cullen, C.N.Davids, J.K.Deng, J.D.Garrett, M.L.Halbert, J.H.Hamilton, N.R.Johnson, A.Kirov, J.Kormicki, I.Y.Lee, W.C.Ma, F.K.McGowan, A.V.Ramayya, D.G.Sarantites, F.Soramel, D.Winchell

Reply to ' Comment on ' Prolate-Oblate Band Mixing and New Bands in 182Hg ' '

NUCLEAR STRUCTURE 182Hg; analyzed band-mixing interpretations; deduced method's applicability limitations.

doi: 10.1103/PhysRevC.53.3165
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1996JO03      Phys.Rev. C53, 671 (1996)

N.R.Johnson, F.K.McGowan, D.F.Winchell, C.Baktash, J.D.Garrett, I.Y.Lee, J.C.Wells, L.Chaturvedi, W.B.Gao, W.C.Ma, S.Pilotte, C.-H.Yu

Evolution of Collectivity to Very High Spins in 160Yb

NUCLEAR REACTIONS 120Sn(44Ca, 4n), E=200 MeV; measured Eγ, Iγ, γγ-coin, Doppler broadened line shapes. 160Yb deduced transition quadrupole moments, high-spin levels T1/2. Enriched target. Comparison with theoretical model predictions.

doi: 10.1103/PhysRevC.53.671
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1996XI01      Nucl.Phys. A599, 560 (1996)

H.Xie, F.K.McGowan, C.Baktash, J.D.Garrett, J.H.Hamilton, N.R.Johnson, I.Y.Lee, J.C.Wells, R.Wyss, C.-H.Yu

The Loss of Collectivity at High Spins in 164Yb and Its Neighboring Even-Even Nuclei

NUCLEAR REACTIONS 124Sn(44Ca, 4n), E=189 MeV; measured Iγ, γγγ-coin spectra, Doppler broadened line-shape method. 164Yb deduced high-spin states T1/2, transition quadrupole moments.

NUCLEAR STRUCTURE 160,162,164,166,168Yb; calculated potential energy surfaces; deduced deformation parameters β2β4, γ. Cranked-Strutinsky type calculations.

doi: 10.1016/0375-9474(95)00446-7
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1995BA26      Phys.Rev.Lett. 74, 1946 (1995)

C.Baktash, D.M.Cullen, J.D.Garrett, C.J.Gross, N.R.Johnson, W.Nazarewicz, D.G.Sarantites, J.Simpson, T.R.Werner

First Observation of a Superdeformed Band in the N, Z ≈ 40 Mass Region

NUCLEAR REACTIONS 56Fe(30Si, X), E=128 MeV; measured γγ-coin. 83Sr deduced high-spin levels, J, π, superdeformed, rotational bands, dynamical moment of inertia.

doi: 10.1103/PhysRevLett.74.1946
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1995BI02      Phys.Rev. C51, 401 (1995)

K.S.Bindra, P.F.Hua, B.R.S.Babu, C.Baktash, J.Barreto, D.M.Cullen, C.N.Davids, J.K.Deng, J.D.Garrett, M.L.Halbert, J.H.Hamilton, N.R.Johnson, A.Kirov, J.Kormicki, I.Y.Lee, W.C.Ma, F.K.McGowan, A.V.Ramayya, D.G.Sarantites, F.Soramel, D.Winchell

Prolate-Oblate Band Mixing and New Bands in 182Hg

NUCLEAR REACTIONS 154Gd(32S, 4n), E=160-165 MeV; measured Eγ, Iγ, γγ(θ). 182Hg deduced high-spin levels, J, π, shape features. Compton suppressed Ge detectors, fragment mass analyzer, high spin states.

doi: 10.1103/PhysRevC.51.401
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1995DE30      Phys.Rev. C52, 595 (1995)

J.K.Deng, W.C.Ma, J.H.Hamilton, A.V.Ramayya, J.Kormicki, W.B.Gao, X.Zhao, D.T.Shi, I.Y.Lee, J.D.Garrett, N.R.Johnson, D.Winchell, M.Halbert, C.Baktash

New High-Spin Band Structures in 184Hg

NUCLEAR REACTIONS 156Gd(32S, 4n), E=160 MeV; measured Eγ, Iγ, γγ(θ), DCO ratios. 184Hg deduced high-spin levels, J, π, B(M1)/B(E2) ratios, configurations. Ge(Li) detectors array.

doi: 10.1103/PhysRevC.52.595
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1995WI18      Phys.Rev. C51, 2952 (1995)

D.F.Winchell, I.Y.Lee, C.Baktash, J.D.Garrett, M.L.Halbert, N.R.Johnson, F.K.McGowan, C.H.Yu

Search for Two-Phonon Gamma Vibrational States in 164Dy

NUCLEAR REACTIONS 164Dy(58Ni, 58Ni'), E=250 MeV; measured Eγ, Iγ, γ(θ), γγ-coin following Coulomb excitation. 164Dy deduced levels, J, π, B(λ), δ, band mixing parameters.

doi: 10.1103/PhysRevC.51.2952
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1994BR09      Nucl.Phys. A571, 337 (1994)

A.Brockstedt, J.Lyttkens-Linden, M.Bergstrom, L.P.Ekstrom, H.Ryde, J.C.Bacelar, J.D.Garrett, G.B.Hagemann, B.Herskind, F.R.May, P.O.Tjom, S.Frauendorf

Interpretation of Bands in 163Er within the Tilted Rotation Scheme Enchanced E1 Decay Strength

NUCLEAR REACTIONS 150Nd(18O, 5n), E=83 MeV; measured Eγ, γγ-coin, Iγ. 163Er deduced levels, J, π, B(M1)/B(E2), B(E1), high-K, multi-quasiparticle states. Tilted cranking calculations.

doi: 10.1016/0375-9474(94)90065-5
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1994ES01      Nucl.Phys. A567, 377 (1994)

J.Espino, J.D.Garrett, G.B.Hagemann, P.O.Tjom, C.-H.Yu, M.Bergstrom, L.Carlen, L.P.Ekstrom, J.Lyttkens-Linden, H.Ryde, R.Bengtsson, T.Bengtsson, R.Chapman, D.Clarke, F.Khazaie, J.C.Lisle, J.N.Mo

Rotational Band Structures in 171,172W Aspects on Signature Partnership at High Spin

NUCLEAR REACTIONS 146Nd(30Si, 5n), (30Si, 4n), E=160 MeV; measured Eγ, Iγ, σ(Eγ, θ), γγ-coin. 171,172W deduced levels, J, π, γ-branching, B(M1)/B(E2) ratios, experimental routhians, aligned angular momentum. Enriched targets, arrays of Compton-suppressed Ge-detectors.

doi: 10.1016/0375-9474(94)90155-4
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1994GR01      Phys.Rev. C49, R580 (1994)

C.J.Gross, C.Baktash, D.M.Cullen, R.A.Cunningham, J.D.Garrett, W.Gelletly, F.Hannachi, A.Harder, M.K.Kabadiyski, K.P.Lieb, W.Nazarewicz, H.A.Roth, D.Rudolph, D.G.Sarantites, J.A.Sheikh, J.Simpson, O.Skeppstedt, B.J.Varley, D.D.Warner

Identical Bands in 77Sr, 78Sr, and 78Rb: Evidence for a very good spectator orbital

NUCLEAR REACTIONS 40Ca(40Ca, xnyp), E=128 MeV; measured Eγ, DCO ratios, γγ-, γγγ-, (recoil)γ-coin. 77,78Sr deduced, levels, J, π, relative spin alignments.

doi: 10.1103/PhysRevC.49.R580
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1994LE24      Phys.Rev. C50, 2602 (1994)

I.Y.Lee, C.Baktash, D.M.Cullen, J.D.Garrett, N.R.Johnson, F.K.McGowan, D.F.Winchell, C.H.Yu

Lifetimes of Low-Spin States in the Superdeformed Band of 192Hg

NUCLEAR REACTIONS 160Gd(36S, 4n), E=159 MeV; measured γγ-coin. 192Hg deduced superdeformed high-spin states T1/2. Recoil distance method.

doi: 10.1103/PhysRevC.50.2602
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1994PI01      Phys.Rev. C49, 718 (1994)

S.Pilotte, C.-H.Yu, H.Q.Jin, J.M.Lewis, L.L.Riedinger, Y.Liang, R.V.F.Janssens, M.P.Carpenter, T.L.Khoo, T.Lauritsen, F.Soramel, I.G.Bearden, C.Baktash, J.D.Garrett, N.R.Johnson, I.Y.Lee, F.K.McGowan

Superdeformed Bands in 191Tl

NUCLEAR REACTIONS 159Tb(36S, 4n), E=165 MeV; measured Eγ, Iγ, γγ-coin. 191Tl deduced superdeformed levels J, π, single particle configuration. Enriched target, Compton-suppressed Ge detector array. Cranked shell model.

doi: 10.1103/PhysRevC.49.718
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1993BA35      Nucl.Phys. A557, 145c (1993)

C.Baktash, D.F.Winchell, J.D.Garrett, A.Smith

Low-Spin Identical Bands in Neighboring Odd-A and Even-Even Nuclei

NUCLEAR STRUCTURE Z=67-77; N=90-110; analyzed rotational band data; deduced large number of identical bands at normal, superdeformations.

doi: 10.1016/0375-9474(93)90537-8
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1993BR10      Nucl.Phys. A557, 469c (1993)

A.Brockstedt, J.Lyttkens-Linden, M.Bergstrom, L.P.Ekstrom, H.Ryde, J.C.Bacelar, S.Frauendorf, J.D.Garrett, G.B.Hagemann, B.Herskind, F.R.May, P.O.Tjom

Interpretation of Bands in 163Er within the Tilted Rotation Scheme

NUCLEAR REACTIONS 150Nd(18O, 5n), E=83 MeV; measured γγ-coin. 163Er deduced levels, J, π, band structure, K, configuration. Tilted rotation scheme interpretation.

doi: 10.1016/0375-9474(93)90563-D
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1993CA02      Nucl.Phys. A551, 295 (1993)

H.Carlsson, M.Bergstrom, A.Brockstedt, L.P.Ekstrom, J.Lyttkens-Linden, H.Ryde, R.A.Bark, G.B.Hagemann, J.D.Garrett, R.Chapman, D.Clarke, F.Khazaie, J.C.Lisle, J.N.Mo

Back-Bending in the πi13/2 Band and Proton-Neutron Interactions in 171Re

NUCLEAR REACTIONS 123Sb(52Cr, 4n), E=236 MeV; measured Eγ, Iγ, γγ-coin. 171Re deduced levels, J, π, configurations, alignments, B(M1)/B(E2) ratios, pairing, shape coexistence, band structure. Cranking shell model, three-band mixing calculations.

doi: 10.1016/0375-9474(93)90483-E
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1993CU02      Phys.Rev. C47, 1298 (1993)

D.M.Cullen, I.Y.Lee, C.Baktash, J.D.Garrett, N.R.Johnson, F.K.McGowan, D.F.Winchell

X-Ray Yields of Superdeformed States in 193Hg

NUCLEAR REACTIONS 150Nd(48Ca, 5n), E=213 MeV; measured Eγ, Iγ, X-ray spectra, γ(X-ray)-, γγ-coin. 193Hg deduced superdeformed, normal deformed bands X-ray yields.

doi: 10.1103/PhysRevC.47.1298
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1993DE42      Phys.Lett. 319B, 63 (1993)

J.K.Deng, W.C.Ma, J.H.Hamilton, J.D.Garrett, C.Baktash, D.M.Cullen, N.R.Johnson, I.Y.Lee, F.K.McGowan, S.Pilotte, C.H.Yu, W.Nazarewicz

High-Spin Single-Particle States in 193Hg

NUCLEAR REACTIONS 150Nd(48Ca, 5n), E=210 MeV; measured γγγ-, higher fold-coin, DCO ratios. 193Hg deduced levels, J, π, band structure.

doi: 10.1016/0370-2693(93)90782-D
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1993FR04      Nucl.Phys. A554, 333 (1993)

S.J.Freeman, R.Chapman, J.L.Durell, M.A.C.Hotchkis, F.Khazaie, J.C.Lisle, J.N.Mo, A.M.Bruce, R.A.Cunningham, P.V.Drumm, D.D.Warner, J.D.Garrett

Two-Quasiproton Configurations in Dysprosium-164

NUCLEAR REACTIONS 165Ho(t, α), E=37.3 MeV; measured σ(θ). 164Dy deduced levels, transferred proton L, Nilsson assignments, J, π, K, configuration strengths. Natural targets.

doi: 10.1016/0375-9474(93)90225-M
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1993JO06      Nucl.Phys. A557, 347c (1993)

N.R.Johnson, J.C.Wells, F.K.McGowan, D.F.Winchell, I.Y.Lee, P.Semmes, C.Baktash, J.D.Garrett, Y.A.Akovali, R.Bengtsson, R.Wyss, W.C.Ma, W.B.Gao, C.H.Yu, S.Pilotte

Test of Predicted Deformation-Driving Effects in 173Re

NUCLEAR REACTIONS 150Sm(27Al, 4n), E=125 MeV; measured γγ-coin. 173Re levels deduced T1/2, B(λ), ratios, quadrupole moment, transition energy.

doi: 10.1016/0375-9474(93)90553-A
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1993LE03      Nucl.Phys. A554, 485 (1993)

I.Y.Lee, H.Xie, C.Baktash, W.B.Gao, J.D.Garrett, N.R.Johnson, F.K.McGowan, R.Wyss

Lifetime Measurements for Continuum Gamma Rays in 164Yb and 170Hf

NUCLEAR REACTIONS 130Te(44Ca, 4n), E=195 MeV; 124Sn(44Ca, 4n), E=189 MeV; measured γγ-coin, γγ(θ). 164Yb, 170Hf deduced continuum states, T1/2. Enriched targets, array of Compton suppressed Ge detectors.

doi: 10.1016/0375-9474(93)90231-L
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1993LI15      Nucl.Phys. A555, 435 (1993)

S.G.Li, S.Wen, G.J.Yuan, G.S.Li, P.F.Hua, L.K.Zhang, Z.K.Yu, P.S.Yu, P.K.Weng, C.X.Yang, R.Chapman, D.Clarke, F.Khazaie, J.C.Lisle, J.N.Mo, J.D.Garrett, G.B.Hagemann, B.Herskind, H.Ryde

The Study of the Odd-Proton Nucleus 169Ta at High Spin

NUCLEAR REACTIONS 155Gd(19F, 5n), E=85.5-100 MeV; 122Sn(51V, 4n), E=233 MeV; measured γγ-coin, γ(θ). 169Ta deduced levels, J, π, configurations, alignments, B(M1)/B(E2) ratio. Cranked-shell-model analysis, crossing frequencies.

doi: 10.1016/0375-9474(93)90295-9
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1993MA02      Phys.Rev. C47, R5 (1993)

W.C.Ma, J.H.Hamilton, A.V.Ramayya, L.Chaturvedi, J.K.Deng, W.B.Gao, Y.R.Jiang, J.Kormicki, X.W.Zhao, N.R.Johnson, J.D.Garrett, I.Y.Lee, C.Baktash, F.K.McGowan, W.Nazarewicz, R.Wyss

First Evidence for States in Hg Nuclei with Deformations between Normal and Super Deformation

NUCLEAR REACTIONS 154Gd(36S, 4n), E=159-175 MeV; measured γγ-coin. 186Hg deduced levels, J, π, T1/2, deformation between normal and superdeformed, configuration, Iγ, quadrupole moments.

doi: 10.1103/PhysRevC.47.R5
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1992BA42      Phys.Rev.Lett. 69, 1500 (1992)

C.Baktash, J.D.Garrett, D.F.Winchell, A.Smith

Low-Spin Identical Bands in Neighboring Odd-A and Even-Even Nuclei: A possible challenge to mean-field theories

NUCLEAR STRUCTURE 157,161,163Ho, 159,161,163,167,169Tm, 163,165,167,169,171,173,175,177Lu, 171,173,175,177,179,181Ta, 177,181,183,185Re, 175,177,185Ir; analyzed band structure; deduced identical bands at deformations between normal, superdeformed values.

doi: 10.1103/PhysRevLett.69.1500
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1992JI03      Phys.Lett. 277B, 387 (1992)

H.-Q.Jin, L.L.Riedinger, C.-H.Yu, W.Nazarewicz, R.Wyss, J.-Y.Zhang, C.Baktash, J.D.Garrett, N.R.Johnson, I.Y.Lee, F.K.McGowan

Electromagnetic Properties of the [303(bar)] (5/2), (7/2) Pseudo-Spin Doublet in 175Re

NUCLEAR REACTIONS 156Gd(23Na, 4n), E=111 MeV; measured γγ-coin. 175Re deduced levels, J, π, configurations, B(λ) ratios. Pseudo SU(3) coupling scheme, asymptotic limit.

doi: 10.1016/0370-2693(92)91799-F
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1992TH02      Nucl.Phys. A536, 418 (1992)

K.Theine, C.-X.Yang, A.P.Byrne, H.Hubel, R.Chapman, D.Clarke, F.Khazaie, J.C.Lisle, J.N.Mo, J.D.Garrett, H.Ryde

First Observation of High-Spin States in 167Ta and 168Ta

NUCLEAR REACTIONS 142Nd(30Si, xnp), E=165 MeV; measured γγ-coin, γγ(θ). 167,168Ta deduced levels, J, π, λ, B(M1)/B(E2) ratios, aligned angular momentum. Cranked shell model. Enriched targets, array of Compton suppressed Ge detectors.

doi: 10.1016/0375-9474(92)90391-V
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1992TH06      Nucl.Phys. A548, 71 (1992)

K.Theine, A.P.Byrne, H.Hubel, M.Murzel, R.Chapman, D.Clarke, F.Khazaie, J.C.Lisle, J.N.Mo, J.D.Garrett, H.Ryde, R.Wyss

High-Spin Structure of 167W and 168W

NUCLEAR REACTIONS 142Nd(30Si, xn), E=165 MeV; measured γγ-, γγγ-coin, γγ(θ); deduced systematics of N = 93, 94 isotones, Z = 74 isotopes. 167,168W deduced levels, J, aligned angular momentum. Cranked shell model. Enriched target, array of Compton-suppressed Ge detectors.

doi: 10.1016/0375-9474(92)90078-X
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1992WI10      Phys.Lett. 289B, 267 (1992)

D.F.Winchell, D.O.Ludwigsen, J.D.Garrett

The Mass Dependence of Moments of Inertia of Rapidly-Rotating Nuclei

NUCLEAR STRUCTURE A=72-84; 76Kr, 162Er; analyzed yrast sequences high-spin moments of inertia; deduced mass dependence.

doi: 10.1016/0370-2693(92)91217-W
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1990LE17      Phys.Rev. C42, 1953 (1990)

I.Y.Lee, C.-H.Yu, J.D.Garrett, J.H.McNeill, W.B.Gao

Coulomb Excitation of 159Tb and the Spectroscopy of the Proton (3/2)+ [411] Nilsson Configuration

NUCLEAR REACTIONS 159Tb(208Pb, 208Pb'), E=981.7 MeV; measured Eγ, Iγ following Coulomb excitation. 159Tb deduced levels, J, π, configuration.

doi: 10.1103/PhysRevC.42.1953
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1990LI34      Nucl.Phys. A520, 451c (1990)

J.C.Lisle, D.Clarke, R.Chapman, F.Khazaie, J.N.Mo, H.Hubel, W.Schmitz, K.Theine, J.D.Garrett, G.B.Hagemann, B.Herskind, K.Schiffer

Lifetime Measurements of High Spin States in Yb Nuclei

NUCLEAR REACTIONS 124Sn(48Ca, 4n), E=201 MeV; measured γγ-coin, Doppler shifted lineshapes, DSA. 168Yb deduced levels, J, π, B(λ) ratios, transitional quadrupole moments, T1/2. Other Yb isotope data discussed.

doi: 10.1016/0375-9474(90)91167-P
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1990NA08      Phys.Rev.Lett. 64, 1654 (1990)

W.Nazarewicz, P.J.Twin, P.Fallon, J.D.Garrett

Natural-Parity States in Superdeformed Bands and Pseudo SU(3) Symmetry at Extreme Conditions

NUCLEAR STRUCTURE 151Tb, 152Dy, 150Gd; analyzed level schemes, superdeformed bands; deduced pseudo SU(3) symmetry features.

doi: 10.1103/PhysRevLett.64.1654
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1990NA14      Nucl.Phys. A512, 61 (1990)

W.Nazarewicz, M.A.Riley, J.D.Garrett

Equilibrium Deformations and Excitation Energies of Single-Quasiproton Band Heads of Rare-Earth Nuclei

NUCLEAR STRUCTURE 148,150,152,154,156,158,160Sm, 150,152,154,156,158,160,162,164,166Gd, 152,154,156,158,160,162,164,166,168Dy, 154,156,158,160,162,164,166,168,170Er, 154,156,158,160,162,164,166,168,170,172,174,176,178,180Yb, 158,160,162,164,166,168,170,172,174,176,178,180,182Hf, 164,166,168,170,172,174,176,178,180,182,184,186,188W, 170,172,174,176,178,180,182,184,186,188,190,192,194Os, 151,153,155,157,159,161Eu, 153,155,157,159,161,163,165Tb, 153,155,157,159,161,163,165,167,169,171Ho, 157,159,161,163,165,167,169,171,173Tm, 161,163,165,167,169,171,173,175,177Lu, 167,169,171,173,175,177,179,181,183,185Ta, 173,175,177,179,181,183,185,187,189Re; calculated equilibrium deformations. Shell correction method, average Woods-Saxon potential, monopole pairing residual interaction.

doi: 10.1016/0375-9474(90)90004-6
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1990YU01      Nucl.Phys. A511, 157 (1990)

C.-H.Yu, G.B.Hagemann, J.M.Espino, K.Furuno, J.D.Garrett, R.Chapman, D.Clarke, F.Khazaie, J.C.Lisle, J.N.Mo, M.Bergstrom, L.Carlen, P.Ekstrom, J.Lyttkens, H.Ryde

High-Spin Spectroscopic Study of 167Lu

NUCLEAR REACTIONS 123Sb(48Ca, 4n), E=206 MeV; measured Eγ, Iγ, σ(Eγ, θ), γγ-coin. 167Lu deduced levels, J, π, γ-branching, B(M1)/B(E2) ratios, experimental routhians, aligned angular momentum. Enriched targets, array of Compton-suppressed Ge-detectors.

doi: 10.1016/0375-9474(90)90031-G
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1990ZH14      Nucl.Phys. A520, 251c (1990)

J.-Y.Zhang, J.D.Garrett, R.F.Casten, D.S.Brenner, C.Wesselborg, C.-H.Yu, M.Carpenter

Empirical Estimates of the Proton-Neutron Interaction and Diabolical Points

NUCLEAR STRUCTURE N=40-160; analyzed δV(pn); deduced valence proton, neutron configuration overlap role.

doi: 10.1016/0375-9474(90)91151-G
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1989BR10      Phys.Rev.Lett. 62, 2080 (1989)

A.Bracco, J.J.Gaardhoje, A.M.Bruce, J.D.Garrett, B.Herskind, M.Pignanelli, D.Barneoud, H.Nifenecker, J.A.Pinston, C.Ristori, F.Schussler, J.Bacelar, H.Hofmann

Saturation of the Width of the Giant Dipole Resonance at High Temperature

NUCLEAR REACTIONS 70Ge(40Ar, X), E=10 MeV/nucleon; measured γ-spectra. 110Sn deduced GDR stength, saturation effects in damping.

doi: 10.1103/PhysRevLett.62.2080
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1989ES03      Nucl.Phys. A492, 205 (1989)

J.M.Espino, J.D.Garrett

N(p)N(n) Correlations in Rotating Nuclei

NUCLEAR STRUCTURE Z=64-78; analyzed kinematic, dynamic moments of inertia correlation with N(p)N(n).

doi: 10.1016/0375-9474(89)90082-1
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1989FR06      Phys.Lett. 222B, 347 (1989)

S.J.Freeman, R.Chapman, J.L.Durell, M.A.C.Hotchkis, F.Khazaie, J.C.Lisle, J.N.Mo, A.M.Bruce, R.A.Cunningham, P.V.Drumm, D.D.Warner, J.D.Garrett

The Microscopic Structure of the M1 Mode in 164Dy

NUCLEAR REACTIONS 165Ho(t, α), E=37.3 MeV; measured σ(Eα), yield vs θ. 164Dy deduced levels, J, π, K, M1 transition features.

doi: 10.1016/0370-2693(89)90321-3
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1989ZH01      Phys.Rev.Lett. 62, 693 (1989)

J.-Y.Zhang, J.D.Garrett

Observation of Diabolical Points in Rapidly Rotating Nuclei

NUCLEAR STRUCTURE 158,159,160,161,162,163,164Er, 160,161,162,163,164,165,166,167,168,169Yb; analyzed rapidly rotating nuclei configurations; deduced diabolical points feature.

doi: 10.1103/PhysRevLett.62.693
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1988LI02      Nucl.Phys. A476, 545 (1988)

R.M.Lieder, A.Neskakis, J.Skalski, G.Sletten, J.D.Garrett, J.Dudek

Study of Band Structures and Crossing in 180Os

NUCLEAR REACTIONS 166Er(18O, 4n), E=85 MeV; measured E(γ), I(γ), σ(E(γ), θ), γγ-coin, I(ce). 180Os deduced levels, J, π, ICC, δ, γ-branching, B(M1)/B(E2) ratios. Enriched targets, Ge(Li) detectors, multi anti-Compton spectrometer set-up, mini-orange conversion electron spectrometer. Pairing-self-consistent cranking calculations, shape evolution.

doi: 10.1016/0375-9474(88)90423-X
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1988RI02      Phys.Rev.Lett. 60, 553 (1988)

M.A.Riley, J.D.Garrett, J.Simpson, J.F.Sharpey-Schafer

Unpaired Band Crossings

NUCLEAR STRUCTURE 159,160Er; analyzed band structure data; calculated single neutron levels; deduced pair correlations role.

doi: 10.1103/PhysRevLett.60.553
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1988YU05      Nucl.Phys. A489, 477 (1988)

C.-H.Yu, M.A.Riley, J.D.Garrett, G.B.Hagemann, J.Simpson, P.D.Forsyth, A.R.Mokhtar, J.D.Morrison, B.M.Nyako, J.F.Sharpey-Schafer, R.Wyss

Proton Band Crossings and Electromagnetic Transition Probabilities in 161Lu

NUCLEAR REACTIONS 120Sn(45Sc, 4n), E=205 MeV; measured E(γ), I(γ), σ(E(γ), θ), γγ-coin, γ-multiplicity, total cascade energy. 161Lu deduced levels, J, π, γ-branching, B(M1)/B(E2) ratios, experimental routhians, aligned angular momentum. Enriched targets, Ge detectors, array of anti-Compton spectrometers, 4(π) bismuth germanate ball.

doi: 10.1016/0375-9474(88)90008-5
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1987GA13      Phys.Rev.Lett. 59, 1409 (1987)

J.J.Gaardhoje, A.M.Bruce, J.D.Garrett, B.Herskind, D.Barneoud, M.Maurel, H.Nifenecker, J.A.Pinston, P.Perrin, C.Ristori, F.Schussler, A.Bracco, M.Pignanelli

Limits of Collective Motion in Hot Nuclear Matter

NUCLEAR REACTIONS 70Ge(40Ar, X), E=15, 24 MeV/nucleon; measured γ(fragment)-coin; deduced hot nuclear matter collective motion limits. 110Sn deduced GDR excitation energy evolution.

doi: 10.1103/PhysRevLett.59.1409
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1987MO21      Nucl.Phys. A472, 295 (1987)

J.N.Mo, S.Sergiwa, R.Chapman, J.C.Lisle, E.Paul, J.C.Willmott, J.Hattula, M.Jaaskelainen, J.Simpson, P.M.Walker, J.D.Garrett, G.B.Hagemann, B.Herskind, M.A.Riley, G.Sletten

High-Spin, Discrete Line Spectroscopy of 162Yb and 164Hf and the Systematics of N = 29 Isotones

NUCLEAR REACTIONS 122Sn(44Ca, 4n), E=195 MeV; 120Sn(48Ti, 4n), E=225 MeV; measured γγ-coin, γγ(θ), γ(θ), linear polarization. 162Yb, 164Hf deduced levels, J, π. Systematic comparisons of N=92 isotones. Enriched targets.

doi: 10.1016/0375-9474(87)90212-0
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1987RZ01      Z.Phys. A328, 379 (1987)

T.Rzaca-Urban, R.M.Lieder, W.Gast, W.Urban, J.Bacelar, J.D.Garrett, G.Sletten, R.Chapman, J.C.Lisle, J.N.Mo

Search for Superdeformation in 180Os

NUCLEAR REACTIONS 150Nd(34S, 4n), E=158 MeV; measured γγ-energy correlation spectra. 180Os deduced levels, J, π, band structure, moments of inertia, superdeformation axis ratio.


1987SH14      Nucl.Phys. A470, 253 (1987)

S.Shastry, J.C.Bacelar, J.D.Garrett, G.B.Hagemann, B.Herskind, J.Kownacki

Signature-Splitting Systematics of the Positive-Parity Bands in Odd-N Rare-Earth Nuclei

NUCLEAR STRUCTURE 159,161,163,165Er, 163,165,169,161,167,171Yb, 167,169,171,173Hf, 175,173W, 177,179,181,183Os; calculated levels, band structure, configuration; deduced signature splitting isotopic, isotonic dependences. Cranking model.

doi: 10.1016/0375-9474(87)90001-7
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1986FR14      Phys.Lett. 177B, 287 (1986)

P.Frandsen, J.D.Garrett, G.B.Hagemann, B.Herskind, M.A.Riley, R.Chapman, J.C.Lisle, J.N.Mo, L.Carlen, J.Lyttkens, H.Ryde, P.M.Walker

Electromagnetic Properties through Two Band Crossings in 165Lu

NUCLEAR REACTIONS 124Sn(45Sc, 4n), E=210 MeV; measured γγ-coin. 165Lu deduced levels J, π, γ-branching, band structure, B(λ). Escape-suppressed spectrometers, bismuth germanate detectors.

doi: 10.1016/0370-2693(86)90754-9
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1986JO02      Nucl.Phys. A449, 537 (1986)

S.Jonsson, N.Roy, H.Ryde, W.Walus, J.Kownacki, J.D.Garrett, G.B.Hagemann, B.Herskind, R.Bengtsson, S.Aberg

Near-Yrast Spectroscopy of 164Yb and Neighbouring Nuclei: Systematics of octupole bands and bandcrossings

NUCLEAR STRUCTURE 164Yb; calculated levels, octupole band structure, routhians; deduced two-quasineutron routhians, alignments and two-quasineutron residual interaction. Cranked-shell-model comaprison. Octupole-phonon plus rotor calculation of octupole bands.

NUCLEAR REACTIONS 152Sm(16O, 4n), 150Sm(18O, 4n), E=81-84 MeV; measured γγ-coin, γ(θ). 164Yb deduced levels, J, π, ICC, rotational band characteristics. Enriched targets, Ge(Li) detectors, Compton-suppressed Ge(Li) coincidence set-up, mini-orange spectrometer, Si(Li) detector. Cranked shell model calculations.

doi: 10.1016/0375-9474(86)90234-4
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1986RI04      Phys.Lett. 177B, 15 (1986)

M.A.Riley, J.D.Garrett, J.F.Sharpey-Schafer, J.Simpson

Discontinuities and Prolate-Oblate Competition near Spin 40 in the N = 90 Isotones

NUCLEAR STRUCTURE 160Yb, 158Er, 156Dy, 157Ho, 159Tm; analyzed rotational level systematics irregularities; deduced prolate collective, oblate single particle states competition.

doi: 10.1016/0370-2693(86)90005-5
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1986WA32      Phys.Scr. 34, 710 (1986)

W.Walus, L.Carlen, S.Jonsson, J.Lyttkens, H.Ryde, J.Kownacki, W.Nazarewicz, J.C.Bacelar, J.Dudek, J.D.Garrett, G.B.Hagemann, B.Herskind, C.X.Yang

Deformation Dependence of Single Quasiproton States in 177Re

NUCLEAR REACTIONS 165Ho(16O, 4n), E=78-84.5 MeV; measured Eγ, Iγ, γ(θ), γγ-coin. 177Re deduced levels, J, π, γ-branching, δ, configurations, B(M1)/(Q02). Woods-Saxon cranking model.

doi: 10.1088/0031-8949/34/6A/028
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1986ZH01      Nucl.Phys. A453, 104 (1986)

J.-Y.Zhang, J.D.Garrett, J.C.Bacelar, S.Frauendorf

The Routhian in ' Gauge ' Space

NUCLEAR STRUCTURE 167,168Yb; calculated configuration space routhians. 168Hf, 150Dy; calculated configuration, gauge space alignment. 168,164,160Yb; calculated total correlation energies.

doi: 10.1016/0375-9474(86)90032-1
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1985BA07      Phys.Lett. 152B, 157 (1985)

J.C.Bacelar, M.Diebel, O.Andersen, J.D.Garrett, G.B.Hagemann, B.Herskind, J.Kownacki, C.X.Yang, L.Carlen, J.Lyttkens, H.Ryde, W.Walus, P.O.Tjom

Configuration-Dependent Pairing and Deformation in 163Er

NUCLEAR REACTIONS 150Nd(18O, 5n), E=83 MeV; measured γ(θ), γγ-coin. 163Er deduced levels, J, π, γ-branching, rotational band crossing frequencies, configuration dependent pairing, deformation. Cranking HFB calculation.

doi: 10.1016/0370-2693(85)91160-8
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1985BA47      Nucl.Phys. A442, 509 (1985)

J.C.Bacelar, M.Diebel, C.Ellegaard, J.D.Garrett, G.B.Hagemann, B.Herskind, A.Holm, C.-X.Yang, J.-Y.Zhang, P.O.Tjom, J.C.Lisle

Single-Neutron States at High Spins in Ytterbium Nuclei; evidence for the quenching of static neutron pair correlations

NUCLEAR REACTIONS 124Sn(48Ca, 3n), (48Ca, 4n), (48Ca, 5n), E=201 MeV; measured E(γ), γγ-coin, γ(θ). 154Sm(18O, 4n), E=78 MeV; measured γ(θ); deduced static neutron-pair correlations. 167,168Yb deduced levels, J, π, rotational bands. Cranking-model, and gauge-space analysis.

doi: 10.1016/S0375-9474(85)80029-4
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1985BA48      Nucl.Phys. A442, 547 (1985)

J.C.Bacelar, R.Chapman, J.R.Leslie, J.C.Lisle, J.N.Mo, E.Paul, A.Simcock, J.C.Willmott, J.D.Garrett, G.B.Hagemann, B.Herskind, A.Holm, P.M.Walker

Study of 170,171,173Ta Isotope at High Spins

NUCLEAR REACTIONS 159Tb(16O, 4n), E=72-84 MeV; 159Tb(18O, 4n), E=84 MeV; 124Sn(51V, xn), E=230 MeV; measured γγ-coin, γ(θ). 170,171,173Ta deduced levels, J, π, T1/2, B(M1), rotational band moments of inertia. Cranked shell model analysis. Enriched targets.

doi: 10.1016/S0375-9474(85)80030-0
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1985DA22      Phys.Lett. 161B, 36 (1985)

C.H.Dasso, J.D.Garrett, S .Landowne

Multiplicity Distributions for the Decay of Erbium Produced by Symmetric Fusion

NUCLEAR REACTIONS 80Se(80Se, xnγ), E(cm)=130, 132.5, 135, 140, 150, 155 MeV; calculated fusion σ(E), γ-decay fold distribution, first moment, width value; deduced collective mode excitation role. Barrier penetration model, colliding nuclei coupling interaction.

doi: 10.1016/0370-2693(85)90603-3
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1985NO04      Phys.Rev.Lett. 54, 2211 (1985)

P.J.Nolan, D.J.G.Love, A.Kirwan, D.J.Unwin, A.H.Nelson, P.J.Twin, J.D.Garrett

High Angular Momentum Components in the Subbarrier Fusion of Heavy Ions

NUCLEAR REACTIONS 80Se(80Se, xn), E=225-310 MeV; measured γγ-coin, γ-multiplicity for x=2, 3, 4; deduced fusion σ vs L.

doi: 10.1103/PhysRevLett.54.2211
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1985SI04      Phys.Rev.Lett. 54, 1132 (1985)

J.Simpson, P.D.Forsyth, D.Howe, B.M.Nyako, M.A.Riley, J.F.Sharpey-Schafer, J.Bacelar, J.D.Garrett, G.B.Hagemann, B.Herskind, A.Holm, P.O.Tjom

Signature-Dependent Proton Alignments at High Rotational Frequency and the Persistence of Proton Pairing Correlations

NUCLEAR REACTIONS 124Sn(37Cl, 4n), E=160 MeV; measured Eγ total, γ-multiplicity, γγ-coin. 157Ho deduced levels, γ-branching, J, π, band structure, signature dependent proton alignment, pairing correlation.

doi: 10.1103/PhysRevLett.54.1132
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1984FR15      Nucl.Phys. A431, 511 (1984)

S.Frauendorf, L.L.Riedinger, J.D.Garrett, J.J.Gaardhoje, G.B.Hagemann, B.Herskind

Experimental Estimates of Quasiparticle Interactions for Rotational Nuclei

NUCLEAR STRUCTURE 160,161,162,163Yb; analyzed rotationally aligned quasiparticle band data; deduced routhians, quasiparticle interactions.

doi: 10.1016/0375-9474(84)90121-0
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1984HA35      Nucl.Phys. A424, 365 (1984)

G.-B.Hagemann, J.D.Garrett, B.Herskind, J.Kownacki, B.M.Nyako, P.L.Nolan, J.F.Sharpey-Schafer, P.O.Tjom

Signature-Dependent M1 and E2 Transition Probabilities in 155Ho and 157Ho

NUCLEAR REACTIONS 141Pr(18O, 4n), E=85 MeV; 146Nd(15N, 4n), E=74 MeV; measured Eγ, Iγ, γ(θ), recoil distance. 155,157Ho deduced levels, δ, B(λ) ratios, T1/2, deformation characteristics.

doi: 10.1016/0375-9474(84)90188-X
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1984JO05      Nucl.Phys. A422, 397 (1984)

S.Jonsson, J.Lyttkens, L.Carlen, N.Roy, H.Ryde, W.Walus, J.Kownacki, G.B.Hagemann, B.Herskind, J.D.Garrett, P.O.Tjom

Proton Configuration Dependence of Neutron Alignments and Transition Probabilities in 165Lu

NUCLEAR REACTIONS 153Eu(16O, 4n), E=73-85 MeV; measured γγ-coin, γ(θ), Iγ(E), γ(t). 165Lu deduced levels, J, π, aligment, B(M1) rates. Enriched targets, Ge(Li) detectors, Compton suppressed Ge(Li) coincidence set up.

doi: 10.1016/0375-9474(84)90524-4
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1984NY04      ATOMKI Kozlem. 26, 99 (1984)

B.M.Nyako, J.F.Sharpey-Schafer, R.Aryaeinejad, J.R.Cresswell, P.D.Forsyth, D.Howe, P.J.Nolan, M.A.Riley, J.Simpson, P.J.Twin, J.Bacelar, J.D.Garrett, G.B.Hagemann, B.Herskind, A.Holm

Gamma-Gamma Energy Correlation Study of 158,160Er Nuclei

NUCLEAR REACTIONS 114,116Cd(48Ca, 4n), E=205, 210 MeV; measured γγ-coin, energy correlation spectra. 158,160Er deduced shape characteristics, dynamical moment of inertia, deformation parameters, levels, J, π. Cranked shell model comparison.


1984PE03      Nucl.Phys. A414, 59 (1984)

R.J.Peterson, J.D.Garrett

Hole States Based on the (11/2)-[505] Neutron Orbital within the Pairing Gap

NUCLEAR REACTIONS 152,154,156,158,160Gd, 156,158,160,162,164Dy, 162,164,166,168,170Er(d, p), (d, t), E=12 MeV; analyzed σ(θ); deduced oblate Nilsson orbital pairing interaction reduction. 151,153,155,157,159Gd, 155,157,159,161,163Dy, 161,163,165,167,169Er level deduced occupation, nonoccupation probabilities. Coupled-channels calculations.

doi: 10.1016/0375-9474(84)90496-2
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1984RI04      Phys.Lett. 135B, 275 (1984)

M.A.Riley, J.Simpson, R.Aryaeinejad, J.R.Cresswell, P.D.Forsyth, D.Howe, P.J.Nolan, B.M.Nyako, J.F.Sharpey-Schafer, P.J.Twin, J.Bacelar, J.D.Garrett, G.B.Hagemann, B.Herskind, A.Holm

The Systematics of h11/2 Proton Alignment in 157,158,159Er

NUCLEAR REACTIONS 114Cd(48Ca, xn), E=200 MeV; measured Eγ, Iγ, γ(θ), γ-multiplicity. 157,158,159Er deduced levels, J, π, yrast sequence, rotational bands, quadrupole deformation, alignment effects.

doi: 10.1016/0370-2693(84)90390-3
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1984SC23      Phys.Lett. 142B, 253 (1984)

C.Schuck, N.Bendjaballah, R.M.Diamond, Y.Ellis-Akovali, K.H.Lindenberger, J.O.Newton, F.S.Stephens, J.D.Garrett, B.Herskind

Evidence for Reduced Neutron Pairing Correlations in 165Yb

NUCLEAR REACTIONS 130Te(40Ar, 5n), 150Nd(20Ne, 5n), E not given; measured γγ-coin. 165Yb deduced levels, J, π, rotational bands, γ-branching. Cranking shell model comparison.

doi: 10.1016/0370-2693(84)91193-6
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1984SI05      J.Phys.(London) G10, 383 (1984)

J.Simpson, P.A.Butler, P.D.Forsyth, J.F.Sharpey-Schafer, J.D.Garrett, G.B.Hagemann, B.Herskind, L.P.Ekstrom

Rotational Alignment in 158Er and 159Er

NUCLEAR REACTIONS 145Nd(16O, 3n), E=75 MeV; 146Nd(16O, 4n), 145Nd(18O, 4n), E=84 MeV; measured γγ-coin, γγ(θ), γ linear polarization, I(ce); deduced residual quasiparticle interaction vs rotational frequency. 158Er deduced levels, J, π, δ, ICC, γ-branching, band structure. 159Er deduced levels, J, π, δ, γ-branching, band structure. Cranked shell model. Enriched targets, Ge(Li)-NaI(Tl) escape suppressed detectors, mini-orange spectrometer, sectored Ge(Li) polarimeter.

doi: 10.1088/0305-4616/10/3/012
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1984SI10      Phys.Rev.Lett. 53, 648 (1984)

J.Simpson, M.A.Riley, J.R.Cresswell, P.D.Forsyth, D.Howe, B.M.Nyako, J.F.Sharpey-Schafer, J.Bacelar, J.D.Garrett, G.B.Hagemann, B.Herskind, A.Holm

Observation of a Prolate-to-Oblate Shape Change near Spin 40(h-bar) in 158Er

NUCLEAR REACTIONS 114Cd(48Ca, 4n), E=200 MeV; measured γγ-coin. 158Er deduced levels, γ-branching, J, π, prolate to oblate shape change.

doi: 10.1103/PhysRevLett.53.648
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1983CH44      Phys.Rev.Lett. 51, 2265 (1983)

R.Chapman, J.C.Lisle, J.N.Mo, E.Paul, A.Simcock, J.C.Willmott, J.R.Leslie, H.G.Price, P.M.Walker, J.C.Bacelar, J.D.Garrett, G.B.Hagemann, B.Herskind, A.Holm, P.J.Nolan

Rotational Behavior at High Spin in 168Hf

NUCLEAR REACTIONS 124Sn(48Ti, 4n), E=216 MeV; 156Gd(16O, 4n), E=85 MeV; measured Eγ, Iγ, γγ-coin, γ-multiplicity. 168Hf deduced levels, yrast sequence, J, π, spin alignment, moment of inertia, high-spin rotational behavior.

doi: 10.1103/PhysRevLett.51.2265
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1983EL08      Nucl.Phys. A406, 134 (1983)

C.Ellegaard, J.D.Garrett, O.Hansen, S.Y.Van Der Werf, R.R.Betts, S.B.Dicenzo, B.F.Bayman

Study of 46,48Ca(α, p) Reactions

NUCLEAR REACTIONS 46,48Ca(α, p), E=25 MeV; measured σ(E(p), θ). 49,51Sc deduced levels. Enriched targets. DWBA analysis.

doi: 10.1016/0375-9474(83)90288-9
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1204.


1983GA10      Nucl.Phys. A400, 113c (1983)

J.D.Garrett, G.B.Hagemann, B.Herskind

The Structure of Rotating Deformed Nuclei

NUCLEAR STRUCTURE 161,163,165Yb; calculated routhians. Cranked shell model.

doi: 10.1016/0375-9474(83)90430-X
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1983GA16      Phys.Scr. T5, 178 (1983)

J.J.Gaardhoje, J.D.Garrett, G.B.Hagemann, B.Herskind, A.Holm, P.Nolan, G.Sletten, J.R.Beene, M.L.Halbert, D.C.Hensley, I.Y.Lee, F.Plasil, F.A.Dilmanian, M.Jaaskelainen, H.Puchta, D.G.Sarantites, R.Woodward, Th.Lindblad

High Spin Phenomena in the Mass 100-200 Region Seen through the Crystal Ball

NUCLEAR REACTIONS 112,114Cd, 96Zr, 135Ba, 124Sn(50Ti, X), E=230 MeV; measured entry region γ-spectra average properties; deduced γ-ray fold distribution mass dependence. 166,164,162,160,156Yb deduced γ-ray fold distribution neutron dependence. Spin spectrometer.

doi: 10.1088/0031-8949/1983/T5/034
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1983KO05      Nucl.Phys. A394, 269 (1983)

J.Kownacki, J.D.Garrett, J.J.Gaardhoje, G.B.Hagemann, B.Herskind, S.Jonsson, N.Roy, H.Ryde, W.Walus

High-Spin Properties of 163Yb Band-Crossings and Signature-Splitting in Yb Nuclei

NUCLEAR REACTIONS 149Sm(18O, 4n), E=81-85 MeV; measured γγ-coin, γ(θ), I(ce). 163Yb deduced levels, J, π, yrast transitions, spin alignments, band crossings, routhians, γ-branching ratios. Enriched targets, Compton suppressed Ge(Li) array detectors. Cranked shell model.

doi: 10.1016/0375-9474(83)90173-2
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1983NO09      Phys.Scr. T5, 153 (1983)

P.J.Nolan, R.Aryaeinejad, D.J.G.Love, A.H.Nelson, P.J.Smith, D.M.Todd, P.J.Twin, J.D.Garrett, G.B.Hagemann, B.Herskind

Electromagnetic Transitions in 130Ce

NUCLEAR REACTIONS 118Sn(16O, 4n), E=85 MeV; 117Sn(16O, 3n), E=75 MeV; measured γγ-coin, DSA, recoil. 130Ce deduced levels, J, π, yrast state T1/2, γ-branching, B(E2), B(M1)/B(E2) ratio for isomer band, (γ) deformation.

doi: 10.1088/0031-8949/1983/T5/028
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1983YA08      Phys.Lett. 133B, 39 (1983)

C.X.Yang, J.Kownacki, J.D.Garrett, G.B.Hagemann, B.Herskind, J.C.Bacelar, J.R.Leslie, R.Chapman, J.C.Lisle, J.N.Mo, A.Simcock, J.C.Willmott, W.Walus, L.Carlen, S.Jonsson, J.Lyttkens, H.Ryde, P.O.Tjom, P.M.Walker

The Identification of the (1/2)+[660] Proton Orbitals at High Spins in Rare-Earth Nuclei

NUCLEAR REACTIONS 159Tb, 165Ho(16O, 4n), E=85 MeV; measured γγ-coin, X-ray(γ)(t), I(ce). 171Ta, 177Re deduced levels, γ-branching, band structure, proton orbital Nilsson assignment.

doi: 10.1016/0370-2693(83)90101-6
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1983ZH01      Phys.Rev. C28, 446 (1983)

J.-Y.Zhang, L.L.Riedinger, J.D.Garrett

Calculation of Shape and Fermi-Surface Dependent Contributions to Band-Crossing Frequencies

NUCLEAR STRUCTURE 161Er, 173W, 181Os; calculated levels, deformations, band crossing configuration dependence. Self-consistent cranked BCS calculations.

doi: 10.1103/PhysRevC.28.446
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1982GA04      Phys.Lett. 108B, 77 (1982)

J.D.Garrett, S.Frauendorf

Systematics of the 1/2+ [660] Quasineutron Configuration in 176-186Os as Determined from Band-Crossing Frequencies

NUCLEAR STRUCTURE 176,178,180,182,184,186Os; calculated band crossing frequencies; deduced quasineutron configuration systematics. Cranked shell model.

doi: 10.1016/0370-2693(82)91146-7
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1982GA28      Phys.Lett. 118B, 297 (1982)

J.D.Garrett, G.B.Hagemann, B.Herskind, J.Bacelar, R.Chapman, J.C.Lisle, J.N.Mo, A.Simcock, J.C.Willmott, H.G.Price

Configuration Dependent Pairing from Band Crossing Frequencies

NUCLEAR REACTIONS 150Nd(16O, 5n), E=86 MeV; measured γγ-coin, γ(θ); deduced configuration dependent pairing energy contribution blocking. 161Er deduced levels, J, π, γ-branching, band structure, rotational band crossing frequency, valence neutron orbit quadrupole moment correlation.

doi: 10.1016/0370-2693(82)90188-5
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1982HA27      Phys.Rev. C25, 3224 (1982)

G.B.Hagemann, J.D.Garrett, B.Herskind, G.Sletten, P.O.Tjom, A.Henriquez, F.Ingebretsen, J.Rekstad, G.Lovhoiden, T.F.Thorsteinsen

Evidence for Signature-Dependent Transition Rates at Large Rotational Frequencies

NUCLEAR REACTIONS 146Nd(15N, 4n), E=74 MeV; measured Iγ(θ), γγ-coin. 157Ho deduced levels, J, π, δ, branching ratios, (g(k)-g(R)), shape change.

doi: 10.1103/PhysRevC.25.3224
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1982NE14      Phys.Lett. 118B, 49 (1982)

A.Neskakis, R.M.Lieder, G.Sletten, J.D.Garrett

Alignment of (1/2)-[541] Quasiprotons in 180Os

NUCLEAR REACTIONS 166Er(18O, 4n), E=85 MeV; measured γγ-coin. 180Os deduced levels, J, π, γ-branching, rotational band crossings, backbending configurations.

doi: 10.1016/0370-2693(82)90599-8
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1982NO02      Phys.Lett. 108B, 269 (1982)

P.J.Nolan, D.M.Todd, P.J.Smith, D.J.G.Love, P.J.Twin, O.Andersen, J.D.Garrett, G.B.Hagemann, B.Herskind

The Influence of h11/2 Protons in the First Backbends in 130,131Ce

RADIOACTIVITY 127La, 130,131Ce [from 115In, 116,117,118Sn(16O, X), (18O, X), E=75-85 MeV]; measured γγ-coin. 130,131Ce deduced yrast levels, J, π, backbending, h11/2 proton alignment. 127La deduced levels, J, π. Enriched In, Sn targets.

doi: 10.1016/0370-2693(82)91190-X
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1982RO08      Nucl.Phys. A382, 125 (1982)

N.Roy, S.Jonsson, H.Ryde, W.Walus, J.J.Gaardhoje, J.D.Garrett, G.B.Hagemann, B.Herskind

Near-Yrast Spectroscopy of 165-167Yb

NUCLEAR STRUCTURE 165,166,167Yb; calculated two-, three-quasineutron routhians. 166Yb deduced two-quasineutron residual interaction. Cranked shell model.

NUCLEAR REACTIONS 152,154Sm(17O, xn), (18O, xn), E=80-84 MeV; measured γγ-coin, γ(θ), ICC following 4, 5 neutron emission. 165,167Yb deduced levels, J, π, B(M1), one-, three-quasineutron alignments. Enriched targets, Ge(Li) detectors, Nal(Tl) array, Compton-suppressed Ge(Li) coincidence, mini-orange spectrometer, Si-Li detector.

doi: 10.1016/0375-9474(82)90445-6
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1981FO03      Nucl.Phys. A361, 242 (1981)

F.Folkmann, J.D.Garrett, G.B.Hagemann, M.N.Harakeh, B.Herskind, D.L.Hillis, S.Ogaza, H.Emling, E.Grosse, D.Schwalm, R.S.Simon, P.O.Tjom

High Angular Momentum Decay Properties of the Compound Systems 100Ru* and 160Er* formed in 50Ti-Induced Reactions

NUCLEAR REACTIONS 50Ti, 110Pd(50Ti, X), E=163-229 MeV; measured γγ-coin, Eγ, < Eγ >, anisotropy vs summed cascade Eγ. 100Ru, 160Er deduced entry lines, effective moments of inertia, continuum γ-multipolarity vs spin.

doi: 10.1016/0375-9474(81)90478-4
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1981GA14      Phys.Rev.Lett. 47, 75 (1981)

J.D.Garrett, O.Andersen, J.J.Gaardhoje, G.B.Hagemann, B.Herskind, J.Kownacki, J.C.Lisle, L.L.Riedinger, W.Walus, N.Roy, S.Jonsson, H.Ryde, M.Guttormsen, P.O.Tjom

Evidence for Decreased Pairing Energies in Odd-N Nuclei from Band-Crossing Frequencies

NUCLEAR STRUCTURE 156,158,160,162,164Er, 160,161,162,163,164,165,166,167Yb, 164,168,169,170,171Hf, 172,173,174,175,176W; analyzed yrast band angular frequency systemetics, neutron pairing correlation parameter data; deduced odd neutron number dependence. Cranked shell model.

doi: 10.1103/PhysRevLett.47.75
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1981JI01      Phys.Rev.Lett. 46, 222 (1981)

G.-M.Jin, J.D.Garrett, G.Lovhoiden, T.F.Thorsteinsen, J.C.Waddington, J.Rekstad

Candidates for Low-Spin Members of the S Band in 160Dy

NUCLEAR REACTIONS 161,162Dy(3He, α), E=24 MeV; measured σ(Eα, θ). 160Dy deduced levels, J, π, L, configuration, rotational band structure.

doi: 10.1103/PhysRevLett.46.222
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1981LI15      Nucl.Phys. A366, 281 (1981)

J.C.Lisle, J.D.Garrett, G.B.Hagemann, B.Herskind, S.Ogaza

Strongly Interacting Bands in 170Hf

NUCLEAR REACTIONS 158Gd(16O, 4n), E=80 MeV; measured γγ-coin, γ(θ), I(ce). 170Hf deduced levels, J, π, ICC, rotational band moments of inertia, Eγ correlations. Cranked shell-model analysis. Enriched target.

doi: 10.1016/0375-9474(81)90289-X
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1981LI18      Phys.Scr. 24, 184 (1981)

Th.Lindblad, A.Johnson, S.A.Hjorth, C.G.Linden, O.Andersen, M.A.Deleplanque, J.D.Garrett, B.Herskind, F.S.Stephens

Gamma-Gamma Energy Correlations and Moment of Inertia in Barium Nuclei

NUCLEAR REACTIONS 124Sn(12C, xnyp), E=118 MeV; measured γγ-coin. 128,130Ba deduced moments of inertia. Two-dimensional coincidence technique.

doi: 10.1088/0031-8949/24/1B/014
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1981WA23      Phys.Scr. 24, 324 (1981)

W.Walus, N.Roy, S.Jonsson, L.Carlen, H.Ryde, G.B.Hagemann, B.Herskind, J.D.Garrett, Y.S.Chen, J.Almberger, G.Leander

High-Spin Band Structure in 166Yb

NUCLEAR REACTIONS 154Sm(16O, 4n), E=80 MeV; measured γγ-coin, Eγ, Iγ, γ(θ), I(ce). 166Yb deduced levels, J, π, γ-branching, rotational bands, B(E2), B(M1) ratios.

doi: 10.1088/0031-8949/24/1B/031
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1980CH15      Phys.Lett. B94, 468 (1980)

Y.-S.Chen, J.D.Garrett, J.Almberger, G.Leander

Gamma Correlation Patterns from the (gSS'S''S''') System

NUCLEAR STRUCTURE 166Yb; calculated γγ energy correlation; deduced regions of coherent ridge, bridge, peak formations. Particle-rotor model, Monte-Carlo cascade generation, multiple band crossing.

doi: 10.1016/0370-2693(80)90920-X
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1980DE21      Phys.Rev.Lett. 45, 172 (1980)

M.A.Deleplanque, F.S.Stephens, O.Andersen, J.D.Garrett, B.Herskind, R.M.Diamond, C.Ellegaard, D.B.Fossan, D.L.Hillis, H.Kluge, M.Neiman, C.P.Roulet, S.Shih, R.S.Simon

Correlation Studies of Rotational Behavior at Very High Angular Momentum

NUCLEAR REACTIONS Sn(40Ar, xn), E=185 MeV; measured γγ-coin; deduced transition energy correlations in neutron-rich Er nuclei.

doi: 10.1103/PhysRevLett.45.172
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1980JI02      Nucl.Phys. A349, 285 (1980)

G.-M.Jin, Y.-X.Xie, Y.-T.Zhu, W.-Q.Shen, X.-J.Sun, J.-S.Guo, G.-X.Liu, J.-S.Yu, C.-C.Sun, J.D.Garrett

Product Cross Sections for the Reaction of 12C with 209Bi

NUCLEAR REACTIONS, Fission 209Bi(12C, 12C), (12C, X), (12C, F), E=61-73 MeV; measured σ(θ, elastic), σ(θ, evaporation residue), σ(fission), σ(Eα, θ). 221Ac deduced fission barriers.

doi: 10.1016/0375-9474(80)90455-8
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1980RI02      Phys.Rev.Lett. 44, 568 (1980)

L.L.Riedinger, O.Andersen, S.Frauendorf, J.D.Garrett, J.J.Gaardhoje, G.B.Hagemann, B.Herskind, Y.V.Makovetzky, J.C.Waddington, M.Guttormsen, P.O.Tjom

Frequency and Alignment Classification of Multiple Band Crossings

NUCLEAR REACTIONS 147,148Sm(16O, 3n), E=82 MeV; measured Iγ, γ(θ), γγ-coin. 160,161Yb deduced levels, J, π, band structure, band crossing frequency, quasiparticle assignments. Cranking-model.

doi: 10.1103/PhysRevLett.44.568
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1979AN14      Phys.Rev.Lett. 43, 687 (1979)

O.Andersen, J.D.Garrett, G.B.Hagemann, B.Herskind, D.L.Hillis, L.L.Riedinger

Transition-Energy Correlations in the γ-Ray Continuum - A New Approach

NUCLEAR REACTIONS 64Ni(16O, 2nα), E=80 MeV; measured correlated rotational cascades of γ-continuum. 74Se deduced moment of inertia, transition energy correlation.

doi: 10.1103/PhysRevLett.43.687
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1979BA15      Nucl.Phys. A318, 317 (1979)

B.F.Bayman, A.Evinay, C.Ellegaard, J.D.Garrett, O.Hansen

Spectroscopy with the 45Sc(α, p)48Ti Reaction at 26 MeV

NUCLEAR REACTIONS 45Sc(α, p), E=26.0 MeV; measured σ(Ep, θ). 48Ti deduced levels, J-transfers, π. DWBA analysis. Natural target.

doi: 10.1016/0375-9474(79)90652-3
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1809.


1979FO07      Phys.Rev. C19, 1615 (1979)

H.T.Fortune, J.D.Garrett, R.Middleton

Neutron Pickup from 22Ne

NUCLEAR REACTIONS 22Ne(3He, α), E=15.0 MeV; measured σ(Eα, θ). 21Ne deduced levels, L, J, π. DWBA analysis. Enriched gas target.

doi: 10.1103/PhysRevC.19.1615
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1979HI03      Nucl.Phys. A325, 216 (1979)

D.L.Hillis, J.D.Garrett, O.Christensen, B.Fernandez, G.B.Hagemann, B.Herskind, B.B.Back, F.Folkmann

Gamma-Ray Multiplicity Studies for 40Ar and 86Kr Induced Reactions Leading to Er Compound Nuclei at Limiting Angular Momenta

NUCLEAR REACTIONS 116,120,122,124Sn(40Ar, xnγ), E=161-236 MeV; 76Ge(86Kr, xnγ), E=314-376 MeV; measured γγ-coin rates, < Eγ > ; deduced moments of γ-ray multiplicity distribution as function of xn, Eγ, L(max), moments of inertia. Statistical model analysis. Enriched targets.

doi: 10.1016/0375-9474(79)90162-3
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1978EL10      Nucl.Phys. A307, 125 (1978)

C.Ellegaard, J.D.Garrett, J.R.Lien

Studies of the 204Hg(p, t)202Hg and 204,205,206Pb(p, t)202,203,204Pb Reactions

NUCLEAR REACTIONS 204Hg, 204,205,206Pb(p, t), E=17.5 MeV; measured σ(θ). 202Hg, 203Pb deduced levels, L, J, π values. Enriched targets. DWBA analysis.

doi: 10.1016/0375-9474(78)90431-1
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1810.


1978FO28      Phys.Lett. 79B, 55 (1978)

H.T.Fortune, R.Middleton, J.D.Garrett, R.M.Dreizler

Jπ Assignments in 25Na from 23Na(t, p)

NUCLEAR REACTIONS 23Na(t, p), E=12 MeV; measured σ(θ). 25Na deduced levels, J, π. DWBA analysis. Compared with shell model calculations.

doi: 10.1016/0370-2693(78)90434-3
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1978GA19      Phys.Rev. C18, 2032 (1978)

J.D.Garrett, H.T.Fortune, R.Middleton, W.Scholz

Nuclear Structure of 24Mg: 23Na(3He, d) Reaction

NUCLEAR REACTIONS 23Na(3He, d), E=15 MeV; measured σ(θ). 24Mg deduced levels, L, J, π, S. DWBA analysis. Comparison with Nilsson model.

doi: 10.1103/PhysRevC.18.2032
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1978HA29      Nucl.Phys. A306, 229 (1978)

J.N.Hallock, H.A.Enge, A.Sperduto, J.D.Garrett, R.Middleton, H.T.Fortune

Study of the Reaction 12C + 14N → α + 22Na

NUCLEAR REACTIONS 12C(14N, α), E=30.3, 35.0, 40.0, 45.5 MeV; 14N(12C, α), E=39.3 MeV; measured σ(θ(α), Eα). 22Na deduced levels.

doi: 10.1016/0375-9474(78)90325-1
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