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NSR database version of May 10, 2024.

Search: Author = M.W.Simon

Found 19 matches.

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2007HA05      Phys.Rev. C 75, 034308 (2007)

A.B.Hayes, D.Cline, C.Y.Wu, H.Ai, H.Amro, C.Beausang, R.F.Casten, J.Gerl, A.A.Hecht, A.Heinz, H.Hua, R.Hughes, R.V.F.Janssens, C.J.Lister, A.O.Macchiavelli, D.A.Meyer, E.F.Moore, P.Napiorkowski, R.C.Pardo, Ch.Schlegel, D.Seweryniak, M.W.Simon, J.Srebrny, R.Teng, K.Vetter, H.J.Wollersheim

Spin dependence of K mixing, strong configuration mixing, and electromagnetic properties of 178Hf

NUCLEAR REACTIONS 178Hf(136Xe, 136Xe'), E=650 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (particle)γ-coin following Coulomb excitation. Ta(178Hf, 178Hf'), E ≈ 700-850 MeV; measured isomer production σ. 178Hf deduced levels, J, π, rotational bands, transition matrix elements, K-mixing features. Gammasphere, Chico arrays.

doi: 10.1103/PhysRevC.75.034308
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2006HA04      Phys.Rev.Lett. 96, 042505 (2006)

A.B.Hayes, D.Cline, C.Y.Wu, J.Ai, H.Amro, C.Beausang, R.F.Casten, J.Gerl, A.A.Hecht, A.Heinz, R.Hughes, R.V.F.Janssens, C.J.Lister, A.O.Macchiavelli, D.A.Meyer, E.F.Moore, P.Napiorkowski, R.C.Pardo, Ch.Schlegel, D.Seweryniak, M.W.Simon, J.Srebrny, R.Teng, K.Vetter, H.J.Wollersheim

Breakdown of K Selection in 178Hf

NUCLEAR REACTIONS Ta(178Hf, 178Hf'), E≈ 700-850 MeV; measured delayed Eγ, Iγ following projectile Coulomb excitation; deduced isomer excitation function. 178Hf deduced transition matrix elements, K-mixing features.

RADIOACTIVITY 178mHf(IT) [from Coulomb excitation]; measured Eγ, Iγ. 178Hf deduced transition matrix elements, K-mixing features.

doi: 10.1103/PhysRevLett.96.042505
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2004WU05      Phys.Rev. C 70, 014313 (2004)

C.Y.Wu, D.Cline, M.W.Simon, R.Teng, K.Vetter, M.P.Carpenter, R.V.F.Janssens, I.Wiedenhover

Rotational bands in neutron-rich 169, 171, 172Er

NUCLEAR REACTIONS 170Er(238U, X)169Er/171Er/172Er, E=1358 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin. 169,171,172Er deduced high-spin levels, J, π, configurations, B(M1)/B(E2). Gammasphere, Chico arrays.

doi: 10.1103/PhysRevC.70.014313
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2003WU07      Phys.Rev. C 68, 044305 (2003)

C.Y.Wu, D.Cline, M.W.Simon, R.Teng, K.Vetter, M.P.Carpenter, R.V.F.Janssens, I.Wiedenhover

Kπ=4- isomers and their rotational bands in 168, 170Er

NUCLEAR REACTIONS 168,170Er(238U, 238U'), E=1358 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (particle)γ-coin. 168,170Er deduced levels, J, π, rotational bands, B(E1), configurations. Gammasphere, Chico arrays.

doi: 10.1103/PhysRevC.68.044305
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2002HA54      Phys.Rev.Lett. 89, 242501 (2002)

A.B.Hayes, D.Cline, C.Y.Wu, M.W.Simon, R.Teng, J.Gerl, C.Schlegel, H.J.Wollersheim, A.O.Macchiavelli, K.Vetter, P.Napiorkowski, J.Srebrny

Coulomb Excitation Paths of High-K Isomer Bands in 178Hf

NUCLEAR REACTIONS 178Hf(136Xe, 136Xe'), E=650 MeV; measured prompt and delayed Eγ, Iγ, (particle)γ-, γγ-coin following Coulomb excitation; deduced high-K isomer bands population mechanisms. 178Hf deduced high-spin levels, J, π, B(E2), K-mixing features. Gammasphere and Chico arrays.

doi: 10.1103/PhysRevLett.89.242501
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2001WU03      Phys.Rev. C64, 014307 (2001); Comment Phys.Rev. C66, 039801 (2002)

C.Y.Wu, D.Cline, A.B.Hayes, M.W.Simon, R.Krucken, J.R.Cooper, C.J.Barton, C.W.Beausang, C.Bialik, M.A.Caprio, R.F.Casten, A.A.Hecht, H.Newman, J.Novak, N.Pietralla, K.Zyromski, N.V.Zamfir

Two-Phonon γ-Vibrational Strength in Osmium Nuclei

NUCLEAR REACTIONS 188,190Os(58Ni, 58Ni'), E=275 MeV; measured Doppler-shifted Eγ, Iγ, γγ-, (particle)γ-coin following Coulomb excitation. 188,190Os deduced levels, J, π, B(E2), two-phonon γ-vibration strength. Recoil-distance technique.

doi: 10.1103/PhysRevC.64.014307
Citations: PlumX Metrics


2001WU05      Phys.Rev. C64, 064317 (2001)

C.Y.Wu, D.Cline, M.W.Simon, G.A.Davis, R.Teng, A.O.Macchiavelli, K.Vetter

Electromagnetic Properties of the Rotationally Aligned Band in 162Dy

NUCLEAR REACTIONS 118Sn(162Dy, 162Dy'), (164Dy, 164Dy'), E=780, 790 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin. 162,164Dy deduced high-spin levels, J, π, B(M1), B(E2), deformation. Gammasphere, Chico arrays.

doi: 10.1103/PhysRevC.64.064317
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2000SI32      Nucl.Instrum.Methods Phys.Res. A452, 205 (2000)

M.W.Simon, D.Cline, C.Y.Wu, R.W.Gray, R.Teng, C.Long

CHICO, a Heavy Ion Detector for Gammasphere

NUCLEAR REACTIONS 170Er(238U, 238U'), E=1358 MeV; measured Eγ, Iγ, (particle)γ-coin. Position sensitive heavy ion detector system.

doi: 10.1016/S0168-9002(00)00429-0
Citations: PlumX Metrics


2000WU01      Phys.Rev. C61, 021305 (2000)

C.Y.Wu, D.Cline, M.W.Simon, R.Teng, K.Vetter, M.P.Carpenter, R.V.F.Janssens, I.Wiedenhover

Complex Band Interactions in 170Er

NUCLEAR REACTIONS 170Er(238U, 238U'), E=1358 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin following Coulomb excitation. 170Er deduced high-spin levels, J, π, vibrational bands features. 170Er(238U, 237U), (238U, 236U), E=1358 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin; deduced relative yields. Gammasphere, Chico arrays.

doi: 10.1103/PhysRevC.61.021305
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1998SM06      Phys.Rev. C58, 3171 (1998)

J.F.Smith, M.W.Simon, R.W.Ibbotson, P.A.Butler, A.Aprahamian, A.M.Bruce, D.Cline, M.Devlin, G.D.Jones, P.M.Jones, C.Y.Wu

Lifetimes of States in the Opposite-Parity Bands of 153Eu: Recoil-distance measurements following Coulomb excitation

NUCLEAR REACTIONS 153Eu(58Ni, 58Ni'), E=220 MeV; measured Eγ, Iγ, (particle)γ-coin, Doppler-shifted spectra following Coulomb excitation. 153Eu deduced high-spin levels, J, π, T1/2, B(λ), intrinsic g-factors. Recoil distance technique.

doi: 10.1103/PhysRevC.58.3171
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1998VE04      Phys.Rev. C58, R2631 (1998)

K.Vetter, A.O.Macchiavelli, D.Cline, H.Amro, S.J.Asztalos, B.C.Busse, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, R.Gray, R.V.F.Janssens, R.Krucken, I.Y.Lee, R.W.MacLeod, E.F.Moore, G.J.Schmid, M.W.Simon, F.S.Stephens, C.Y.Wu

Fragmentation of the Two-Phonon Octupole Vibrational States in 208Pb

NUCLEAR REACTIONS 208Pb(136Xe, 136Xe'), E=650 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin, γ-ray yields vs projectile scattering angle following Coulomb excitation. 208Pb deduced transition B(E3), fragmentation of two-phonon octupole vibrational strength. Gammasphere, Chico detector arrays.

doi: 10.1103/PhysRevC.58.R2631
Citations: PlumX Metrics


1998WU04      Phys.Rev. C57, 3466 (1998)

C.Y.Wu, M.W.Simon, D.Cline, G.A.Davis, A.O.Macchiavelli, K.Vetter

Production and Spectroscopy of the Neutron-Rich Nucleus 166Dy

NUCLEAR REACTIONS 118Sn(164Dy, 166Dy), E=790 MeV; 118Sn(162Dy, 164Dy), E=780 MeV; measured Eγ, Iγ(θ), σ(θ), (recoil)γ-coin. 164,166Dy deduced high-spin levels, J, π.

doi: 10.1103/PhysRevC.57.3466
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1996DE17      Phys.Rev. C53, 2900 (1996)

M.Devlin, D.Cline, R.Ibbotson, M.W.Simon, C.Y.Wu

Sub-Barrier Transfer Reactions in 58Ni + 162Dy

NUCLEAR REACTIONS 162Dy(58Ni, 59Ni), (58Ni, 60Ni), (58Ni, 57Co), (58Ni, 56Fe), E=240-273 MeV; measured transfer probabilities, Q-value spectra; deduced transfer slope coefficients, cold transfer component.

doi: 10.1103/PhysRevC.53.2900
Citations: PlumX Metrics


1996WA25      Nucl.Phys. A608, 77 (1996)

X.-H.Wang, C.-H.Yu, D.M.Cullen, D.C.Bryan, M.Devlin, M.J.Fitch, A.Galindo-Uribarri, R.W.Gray, D.M.Herrick, R.W.Ibbotson, K.L.Kurz, S.Mullins, S.Pilotte, D.C.Radford, M.R.Satteson, M.W.Simon, D.Ward, C.Y.Wu, L.H.Yao

High-Spin States in Odd-Odd 164Lu

NUCLEAR REACTIONS 149Sm(19F, 4n), E=85 MeV; 146Nd(23Na, 5n), E=110 MeV; measured Eγ, Iγ, γγ-coin. 164Lu deduced high-spin levels, J, π, γ-branching, B(M1)/B(E2) ratios, band crossings, signature inversion, neutron-proton interactions.

doi: 10.1016/S0375-9474(96)00254-0
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1995DE63      Nucl.Instrum.Methods Phys.Res. A357, 467 (1995)

M.Devlin, C.Y.Wu, D.Cline, R.Ibbotson, M.W.Simon

A Kinematic-Coincidence Detector System for Sub-Barrier Heavy-Ion Reaction Studies

NUCLEAR REACTIONS 162Dy(58Ni, X), E=240 MeV; measured neutron, proton production Q spectra. Kinematic coincidence detector system, sub-barrier reactions.

doi: 10.1016/0168-9002(94)01695-X
Citations: PlumX Metrics


1995WU01      Phys.Rev. C51, 173 (1995)

C.Y.Wu, D.Cline, M.Devlin, K.G.Helmer, R.W.Ibbotson, M.W.Simon, P.A.Butler, A.J.Cresswell, G.D.Jones, P.M.Jones, J.F.Smith, R.A.Cunningham, J.Simpson

Excitation-Energy Partition in Quasielastic Transfer Reactions at Near Barrier Energies

NUCLEAR REACTIONS 161Dy(58Ni, 59Ni), E=265 MeV; 161Dy(61Ni, 62Ni), E=267, 270 MeV; measured (particle)γ-coin; deduced receptor, donor excitation energy partition. 59,62Ni levels deduced relative population.

doi: 10.1103/PhysRevC.51.173
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1994CR06      Acta Phys.Pol. B25, 565 (1994)

A.J.Cresswell, P.A.Butler, D.Cline, R.A.Cunningham, M.Devlin, F.Hannachi, K.G.Helmer, R.Ibbotson, G.D.Jones, P.M.Jones, I.-Y.Lee, X.-T.Liu, J.O.Rasmussen, M.W.Simon, J.Simpson, J.F.Smith, M.A.Stoyer, C.-Y.Wu

Heavy Ion Transfer Studies using Detector Arrays

NUCLEAR REACTIONS, ICPND 161Dy(61Ni, 62Ni), (61Ni, 60Ni), E=270 MeV; measured γγ-coin. 160,162Dy deduced levels, band structure, configuration. 239Pu(117Sn, 118Sn), E=630 MeV; measured fragment spectra following residual isomer fission, γγ-coin; deduced superdeformed states population probability by transfer reaction.


1993HO12      Phys.Rev. C48, 433 (1993)

D.J.Horen, R.L.Auble, C.Y.Wu, D.Cline, M.Devlin, R.Ibbotson, M.W.Simon

Half-Life of the 2+1 State of 94Zr

NUCLEAR REACTIONS 94Zr(32S, 32S'), E=105 MeV; measured γ(32S)-coin, recoil distance. 94Zr level deduced T1/2, B(λ).

doi: 10.1103/PhysRevC.48.433
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1993HO19      Phys.Rev. C48, R2131 (1993)

D.J.Horen, R.L.Auble, G.R.Satchler, J.R.Beene, I.Y.Lee, C.Y.Wu, D.Cline, M.Devlin, R.Ibbotson, M.W.Simon

Lifetime of the 3-1 State and Octupole Collectivity in 96Zr

NUCLEAR REACTIONS 96Zr(32S, 32S'), E=105; measured Eγ, Iγ, γ(32S)-coin. 96Zr(6Li, 6Li'), E=70 MeV; analyzed σ(θ). 96Zr level deduced T1/2, B(λ). Model comparisons.

doi: 10.1103/PhysRevC.48.R2131
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