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NSR database version of April 26, 2024.

Search: Author = W.T.Chou

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2003HU07      Phys.Rev. C 67, 054315 (2003)

C.Hutter, R.Krucken, A.Aprahamian, C.J.Barton, C.W.Beausang, M.A.Caprio, R.F.Casten, W.-T.Chou, R.M.Clark, D.Cline, J.R.Cooper, M.Cromaz, A.A.Hecht, A.O.Macchiavelli, N.Pietralla, M.Shawcross, M.A.Stoyer, C.Y.Wu, N.V.Zamfir

B(E2) values and the search for the critical point symmetry X(5) in ¹⁰⁴Mo and ¹⁰⁶Mo

RADIOACTIVITY ²⁵²Cf(SF); measured Doppler-shifted Eγ, Iγ, γγ-coin. ^104,106Mo deduced levels T_1/2, B(E2), transition quadrupole moments. Recoil-distance technique, Gammasphere array, comparison with model predictions.

doi: 10.1103/PhysRevC.67.054315
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2002ZA04      Phys.Rev. C65, 044325 (2002)

N.V.Zamfir, M.A.Caprio, R.F.Casten, C.J.Barton, C.W.Beausang, Z.Berant, D.S.Brenner, W.T.Chou, J.R.Cooper, A.A.Hecht, R.Krucken, H.Newman, J.R.Novak, N.Pietralla, A.Wolf, K.E.Zyromski

¹⁰²Pd: An E(5) nucleus ?

RADIOACTIVITY ¹⁰²Ag(β⁺), (EC) [from ⁸⁹Y(¹⁶O, 3n)]; measured Eγ, Iγ. ¹⁰²Pd deduced levels, J, π, symmetry features.

doi: 10.1103/PhysRevC.65.044325
Citations: PlumX Metrics
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2001CE05      Phys.Rev. C64, 054305 (2001)

P.Cejnar, W.-T.Chou, N.V.Zamfir, R.F.Casten

Equivalent Potential of the Geometric Collective Model and Interacting Boson Model

doi: 10.1103/PhysRevC.64.054305
Citations: PlumX Metrics

2001CH75      Phys.Rev. C64, 057301 (2001)

W.-T.Chou, Gh.Cata-Danil, N.V.Zamfir, R.F.Casten, N.Pietralla

Collective 0⁺ Excitations and Their Global Properties

NUCLEAR STRUCTURE Z=8-98; analyzed excited 0⁺ states energy level ratios, systematic features. IBA calculations.

doi: 10.1103/PhysRevC.64.057301
Citations: PlumX Metrics

2001KR13      Phys.Rev. C64, 017305 (2001)

R.Krucken, W.-T.Chou, J.R.Cooper, C.W.Beausang, C.J.Barton, M.A.Caprio, R.F.Casten, A.A.Hecht, J.R.Novak, N.Pietralla, A.Wolf, N.V.Zamfir

Lifetimes in Neutron-Rich Fission Fragments using the Differential Recoil Distance Method

RADIOACTIVITY ²⁵²Cf(SF); measured Doppler-shifted Eγ, Iγ, γγ-, (fragment)γ-coin. ¹⁰⁴Mo, ¹¹⁰Ru, ¹⁴⁴Ba deduced levels T_1/2, transition quadrupole moments. Differential recoil distance method.

doi: 10.1103/PhysRevC.64.017305
Citations: PlumX Metrics

2000CH24      Phys.Rev. C62, 011301 (2000)

W.-T.Chou, N.V.Zamfir, R.F.Casten

Simplified Approach to Interacting Boson Approximation-2 Calculations using Hamiltonian Invariants

doi: 10.1103/PhysRevC.62.011301
Citations: PlumX Metrics

1999BU28      Phys.Rev. C60, 044303 (1999)

D.Bucurescu, N.V.Zamfir, R.F.Casten, W.T.Chou

Generalized Correlations of Quasiband Energies in Nuclei

NUCLEAR STRUCTURE Z=34-82; analyzed collective bands level energies; deduced linear correlations. Anharmonic vibrator interpretation. Interacting boson approximation, geometric collective model.

doi: 10.1103/PhysRevC.60.044303
Citations: PlumX Metrics

1998ZA01      Phys.Rev. C57, 427 (1998)

N.V.Zamfir, W.-T.Chou, R.F.Casten

Evolution of Nuclear Structure in O(6)-Like Nuclei

NUCLEAR STRUCTURE Xe, Ba, Os, Pt; analyzed rotational, vibrational energy levels; deduced symmetry group related features, systematics. ¹³⁰Ba calculated levels, J, π. Interacting boson approximation.

doi: 10.1103/PhysRevC.57.427
Citations: PlumX Metrics

1997CH21      Phys.Rev. C56, 829 (1997)

W.T.Chou, N.V.Zamfir, R.F.Casten

Unified Description of Collective Nuclei with the Interacting Boson Model

NUCLEAR STRUCTURE Z=50-82; A=120-200; analyzed levels; deduced optimal interacting boson model parameters. Comparison with experimental values.

doi: 10.1103/PhysRevC.56.829
Citations: PlumX Metrics

1997ZA01      Phys.Rev. C55, R1007 (1997)

N.V.Zamfir, P.D.Cottle, R.F.Casten, S.Deylitz, A.Gollwitzer, G.Graw, R.Hertenberger, B.Valnion, G.Cata-Danil, J.-Y.Zhang, W.T.Chou

Octupole Fragmentation and the Structure of ¹³⁴Ba

NUCLEAR REACTIONS ¹³⁴Ba(p, p'), E=22 MeV; measured relative σ(θ). ¹³⁴Ba levels deduced B(E3), octupole fragmentation. Interacting boson model, generalized collective model.

doi: 10.1103/PhysRevC.55.R1007
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1995CH01      Phys.Rev. C51, 136 (1995)

W.-T.Chou, S.T.Hsieh

Interacting Boson Approximation Studies of the Negative Parity States of ^172-180Os Isotopes

NUCLEAR STRUCTURE ^{172,174,176,178,180}Os; calculated levels, B(λ). Interacting boson approximation.

doi: 10.1103/PhysRevC.51.136
Citations: PlumX Metrics

1995CH25      Phys.Rev. C51, 2444 (1995)

W.-T.Chou, R.F.Casten, N.V.Zamfir

Possible Signatures of Shell Structure Near the Drip Lines

NUCLEAR STRUCTURE Z=50-82; N=82-126; analyzed E(4⁺₁), E(2⁺₁) correlation; deduced underlying shell structure related features.

doi: 10.1103/PhysRevC.51.2444
Citations: PlumX Metrics

1995KI16      Nucl.Data Sheets 76, 285 (1995)

M.M.King, W.-T.Chou

Nuclear Data Sheets Update for A = 82

COMPILATION ⁸²Ga, ⁸²Ge, ⁸²As, ⁸²Se, ⁸²Br, ⁸²Kr, ⁸²Rb, ⁸²Sr, ⁸²Y, ⁸²Zr; compiled, evaluated structure data.

doi: 10.1006/ndsh.1995.1043
Citations: PlumX Metrics

1994CH45      Nucl.Data Sheets 73, 215 (1994)

W.-T.Chou, M.M.King

Nuclear Data Sheets Update for A = 72

COMPILATION ⁷²Cu, ⁷²Zn, ⁷²Ga, ⁷²Ge, ⁷²As, ⁷²Se, ⁷²Br, ⁷²Kr; compiled, evaluated structure data.

doi: 10.1006/ndsh.1994.1043
Citations: PlumX Metrics

1994CH47      Nucl.Phys. A580, 33 (1994)

W.-T.Chou, R.F.Casten, N.V.Zamfir, D.S.Brenner, D.Bucurescu

Extension of a Nearly-Global Anharmonic Vibrator Description of Nuclei to Non-Yrast States

NUCLEAR STRUCTURE Z=30-32; analyzed γ-band systematics; deduced multi-phonon model validity.

doi: 10.1016/0375-9474(94)90813-3
Citations: PlumX Metrics

1993CA10      Nucl.Phys. A555, 563 (1993)

R.F.Casten, W.-T.Chou, N.V.Zamfir

Signature Splitting in Octupole Bands of Vibrational and Deformed Nuclei

NUCLEAR STRUCTURE ^154,156,158Gd, ^152,154Sm, ^{158,160,162,164}Dy, ^168,170Er, ⁷⁶Se, ¹⁰⁰Ru, ¹⁰²Pd, ^122,124,126Ba, ^174,176,178Os; calculated levels, energy separations; deduced signature splitting in octupole bands. Vibrational, deformed regions, interacting boson approximation.

doi: 10.1016/0375-9474(93)90488-J
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1993CH05      Phys.Rev. C47, 157 (1993)

W.-T.Chou, D.S.Brenner, R.F.Casten, R.L.Gill

Level Lifetime Measurements and the Structure of Neutron-Rich ⁷⁸Ge

RADIOACTIVITY ⁷⁸Ga(β^-); measured βγγ(t); deduced Ge isotopes B(λ) systematics. ⁷⁸Ge levels deduced T_1/2, B(E2). Fast electronic scintillation time technique.

doi: 10.1103/PhysRevC.47.157
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1993CH06      Phys.Rev. C47, 163 (1993)

W.-T.Chou, E.K.Warburton, B.A.Brown

Gamow-Teller Beta-Decay Rates for A ≤ 18 Nuclei

NUCLEAR STRUCTURE ¹n, ³H, ^6,8He, ^7,12Be, ^8,9,11Li, ^8,12,13,14B, ^{9,10,11,14,15,16,18}C, ^{12,13,16,17,18}N, ^13,14,15O; analyzed Gamow-Teller β-decay data; deduced log ft, β-decay matrix elements. Effective operators, discussed specific decays.

doi: 10.1103/PhysRevC.47.163
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1993KI25      Nucl.Data Sheets 69, 857 (1993)

M.M.King, W.-T.Chou

Nuclear Data Sheets Update for A = 73

COMPILATION ⁷³Ni, ⁷³Cu, ⁷³Zn, ⁷³Ga, ⁷³Ge, ⁷³As, ⁷³Se, ⁷³Br, ⁷³Kr; compiled, evaluated structure data.

doi: 10.1006/ndsh.1993.1040
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1993PI08      Phys.Rev. C48, 1050 (1993)

S.Pittel, P.Federman, G.E.Arenas Peris, R.F.Casten, W.-T.Chou

Semiempirical Determination of Effective p-n Monopole Matrix Elements

NUCLEAR STRUCTURE Z=82-126; N=50-82; analyzed data; deduced effective monopole p-n matrix elements.

doi: 10.1103/PhysRevC.48.1050
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1992BR26      Phys.Lett. 293B, 282 (1992)

D.S.Brenner, R.F.Casten, W.-T.Chou, J.-Y.Zhang, K.Heyde, N.V.Zamfir

Linearity of Nuclear Level Energies with the P-Factor

NUCLEAR STRUCTURE Z=44-86; N=66-126; analyzed 2⁺ level energies; deduced linear dependence on nucleon promiscuity factor, Pb region 0⁺ intruder state linearization scheme. Simple two-level model.

doi: 10.1016/0370-2693(92)90884-7
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1992CA08      Phys.Rev. C45, R1413 (1992)

R.F.Casten, N.V.Zamfir, P.von Brentano, W.-T.Chou

Identical Bands in Widely Dispersed Nuclei

NUCLEAR STRUCTURE ^{156,158,160,162,164,166}Er, ^162,156Dy, ^172,164Yb, ¹⁶⁸Hf, ¹⁷²W, ¹⁸⁰Os; analyzed level data; deduced low spin identical bands, correlation systematics. F-spin, N(p)N(n) concepts.

doi: 10.1103/PhysRevC.45.R1413
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1992CA32      Phys.Lett. 297B, 19 (1992)

R.F.Casten, J.Jolie, H.G.Borner, D.S.Brenner, N.V.Zamfir, W.-T.Chou, A.Aprahamian

The Enigma of ¹¹⁴Cd. A Classical Case of Ambiguities in Quantum Mechanical State Mixing

NUCLEAR REACTIONS ¹¹³Cd(n, γ), E=thermal; measured Eγ, Iγ, γ-transition profile. ¹¹⁴Cd levels deduced T_1/2, B(λ), configuration. GRID technique.

doi: 10.1016/0370-2693(92)91062-E
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13639.

1992CH01      Phys.Rev. C45, R9 (1992)

W.-T.Chou, R.F.Casten, P.von Brentano

Linkage between β and γ Vibrational Excitations in Deformed Nuclei

NUCLEAR STRUCTURE ¹⁵⁶Gd, ¹⁵⁸Dy; analyzed data; deduced β-, γ-vibrations inherent linkage. Interacting boson model, Q formalism.

doi: 10.1103/PhysRevC.45.R9
Citations: PlumX Metrics

1992CH09      Phys.Rev. C45, 1720 (1992)

W.-T.Chou, E.K.Warburton

Construction of Shell-Model Interactions for Z ≈ 50, N ≈ 82 Nuclei: Predictions for A = 133-134 β^- decays

NUCLEAR STRUCTURE ^133,134Sn, ¹³⁴Sb; analyzed β-decay data; calculated β-decay shape factors. ¹⁴¹Ce, ¹³⁴Sn, ¹³⁴Sb, ¹³⁴Te; calculated β-decay matrix elements, branching ratios. Shell model, effective interactions.

doi: 10.1103/PhysRevC.45.1720
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1992CH21      Phys.Rev. C45, R2545 (1992)

W.-T.Chou, R.F.Casten, N.V.Zamfir

Signature Splitting in Octupole Bands of Deformed Nuclei

NUCLEAR STRUCTURE ¹⁵⁶Gd, ¹⁶⁸Er; analyzed octupole band energy staggering. ^154,156,158Gd, ^{158,160,162,164}Dy, ^168,170Er, ¹⁷²Yb, ¹⁷⁴Hf, ^152,154Sm; calculated S₄ index vs F-parameter. Simple, parameter independent interacting boson approximation model.

doi: 10.1103/PhysRevC.45.R2545
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1992CH40      Phys.Rev. C46, 2283 (1992)

W.-T.Chou, R.F.Casten, N.V.Zamfir

Average Resonance Capture Study of ¹²⁶Te

NUCLEAR REACTIONS ¹²⁵Te(n, γ), E=2, 24 keV; measured Eγ, Iγ. ¹²⁶Te deduced levels, J, π. Model comparison. Average resonance capture technique.

doi: 10.1103/PhysRevC.46.2283
Citations: PlumX Metrics

1992GI02      Nucl.Phys. A542, 32 (1992)

R.L.Gill, W.-T.Chou, R.F.Casten

Axial Asymmetry in Nearly Symmetric Deformed Nuclei

NUCLEAR STRUCTURE ¹⁵⁸Gd, ¹⁸⁴W, ¹⁶⁰Dy, ¹⁶⁴Er; calculated relative potential vs γ-parameter. Additional cubic term in interacting boson approximation Hamiltonian.

doi: 10.1016/0375-9474(92)90394-Y
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1992KA27      Z.Phys. A343, 165 (1992)

M.K.Kabadiyski, F.Cristancho, C.J.Gross, A.Jungclaus, K.P.Lieb, D.Rudolph, H.Grawe, J.Heese, K.-H.Maier, J.Eberth, S.Skoda, W.-T.Chou, E.K.Warburton

A Study of High Spin States in the Transitional Nucleus ⁹⁰Mo

NUCLEAR REACTIONS ⁵⁸Ni(³⁶Ar, 4p), E=149 MeV; measured γγ-, γγ(particle)-coin, DCO ratios. ⁹⁰Mo deduced levels, J, π, γ-branching ratios. Shell model comparison.

doi: 10.1007/BF01291821
Citations: PlumX Metrics

1992ZA05      Phys.Rev. C46, R393 (1992)

N.V.Zamfir, R.F.Casten, P.von Brentano, W.-T.Chou

F-Spin Multiplets of O(6)-Like Nuclei

NUCLEAR STRUCTURE ^158,160,162Yb; calculated yrast levels, B(E2). F-spin multiplets, O(6) dynamical symmetry.

doi: 10.1103/PhysRevC.46.R393
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1992ZH13      Phys.Rev.Lett. 69, 1160 (1992)

J.-Y.Zhang, R.F.Casten, W.-T.Chou, D.S.Brenner, N.V.Zamfir, P.von Brentano

Identical Bands and the Varieties of Rotational Behavior

NUCLEAR STRUCTURE N ≥ 88; analyzed rotational band structure; deduced pn-residual interaction, pairing interactions role in identical rotational energy spacings.

doi: 10.1103/PhysRevLett.69.1160
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1991BE06      Phys.Rev. C43, 1639 (1991)

Z.Berant, R.B.Schuhmann, D.E.Alburger, W.T.Chou, R.L.Gill, E.K.Warburton, C.Wesselborg

Spectroscopy of ²¹⁴Bi and Systematics of ^210,212,214Pb(0⁺) → β^{- 210,212,214}Bi(0^-)

RADIOACTIVITY ²¹⁴Pb(β^-); measured γγ-coin, γγ(θ), I(ce), Eγ, Iγ, βγγ-coin. ²¹⁴Bi deduced levels, J, π, T_1/2. Shell model.

doi: 10.1103/PhysRevC.43.1639
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1991CH07      Phys.Lett. 255B, 487 (1991)

W.-T.Chou, J.-Y.Zhang, R.F.Casten, D.S.Brenner

Shell Structure in Empirical p-n Interactions: Comparison with Nilsson and shell model calculations

NUCLEAR STRUCTURE N=46-58; N=78-86; N=116-132; analyzed data; deduced p-n interaction strength, shell structure.

doi: 10.1016/0370-2693(91)90254-N
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1990CH29      Phys.Rev. C42, 221 (1990)

W.-T.Chou, W.A.Olivier, Wm.C.McHarris, O.Scholten

Odd-Odd Interacting-Boson-Approximation Calculations: Experimental agreement for doubly decoupled and highly distorted bands in ^176-180Re

NUCLEAR STRUCTURE ^177,179Os, ^{176,179,180,175,177}Re; calculated levels. Interacting boson-fermion-fermion approximation.

doi: 10.1103/PhysRevC.42.221
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1989AR09      Phys.Rev. C40, 1429 (1989)

R.Aryaeinejad, W.-T.Chou, Wm.C.McHarris

Comparisons of Interacting-Boson-Fermion Approximation and Triaxial Calculations for Odd-Mass N = 80 Nuclei

NUCLEAR STRUCTURE ¹³⁹Pr, ¹⁴¹Pm, ¹⁴³Eu; calculated levels, δ. Interacting boson-fermion approximation.

doi: 10.1103/PhysRevC.40.1429
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1988CH20      Phys.Rev. C37, 2834 (1988)

W.-T.Chou, Wm.C.McHarris, O.Scholten

Deformed Odd-Odd ^180,182,184Re Isotopes in the Interacting-Boson Model

NUCLEAR STRUCTURE ^181,183,185Re, ^181,183,185Os; calculated levels, μ, quadrupole moments, B(λ). Interacting boson fermion fermion approximation.

doi: 10.1103/PhysRevC.37.2834
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