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NSR database version of May 1, 2024.

Search: Author = J.A.Evans

Found 21 matches.

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1999EL04      J.Phys.(London) G25, 667 (1999)

J.P.Elliott, J.A.Evans, P.Halse

Mappings from Shell-Model SU(3) to Boson SU(3)

doi: 10.1088/0954-3899/25/4/016
Citations: PlumX Metrics


1999EL09      J.Phys.(London) G25, 2071 (1999)

J.P.Elliott, J.A.Evans

A Direct Mapping from Shell Model SU(3) to Boson SU(3)

doi: 10.1088/0954-3899/25/10/307
Citations: PlumX Metrics


1997EV05      Nucl.Phys. A627, 71 (1997)

J.A.Evans, V.S.Lac, J.P.Elliott

A New Method for IBM3 Calculations

doi: 10.1016/S0375-9474(97)00590-3
Citations: PlumX Metrics


1997LA12      Phys.Lett. 394B, 231 (1997)

V.S.Lac, J.P.Elliott, J.A.Evans

On the Validity of the O(18) Coupling Scheme in N ∼ Z Nuclei

NUCLEAR STRUCTURE 62,64Zn, 64,66Ge, 68Se; calculated 0+, 2+, 3+, 4+ states, wave functions; deduced O(18) coupling scheme validity related features.

doi: 10.1016/S0370-2693(97)00027-0
Citations: PlumX Metrics


1996EL02      Nucl.Phys. A597, 341 (1996)

J.P.Elliott, J.A.Evans, V.S.Lac

Electromagnetic Operators in IBM-3 and Their Dependence on the Boson Number and Isospin

doi: 10.1016/0375-9474(95)00475-0
Citations: PlumX Metrics


1996EL10      Nucl.Phys. A609, 1 (1996)

J.P.Elliott, J.A.Evans, V.S.Lac, G.L.Long

An IBM-3 Analysis of the Nuclei Just Beyond the Magic Numbers N = Z = 28

NUCLEAR STRUCTURE 58,60,62,64Ni, 60,62,64,66Zn, 64,66,68Ge, 68Se; calculated binding energies, level spectra, B(λ). Isospin-invariant form of IBM-3.

doi: 10.1016/S0375-9474(96)00292-8
Citations: PlumX Metrics


1995EV02      Nucl.Phys. A593, 85 (1995)

J.A.Evans, J.P.Elliott, V.S.Lac, G.L.Long

An IBM-3 Hamiltonian from a Multi-j-Shell Model

doi: 10.1016/0375-9474(95)00326-V
Citations: PlumX Metrics


1995LA06      Nucl.Phys. A587, 101 (1995)

V.S.Lac, J.P.Elliott, J.A.Evans, G.L.Long

A Comparison of the IBM-1 Projections from IBM-2 and IBM-3

doi: 10.1016/0375-9474(94)00811-Z
Citations: PlumX Metrics


1994MO07      J.Phys.(London) G20, 787 (1994)

D.S.Mosbah, J.A.Evans, W.D.Hamilton

An IBA-2 Calculation of E2/M1 Multipole Mixing Ratios of Transitions in 182,184,186W

NUCLEAR STRUCTURE 182,184,186W; calculated levels, B(λ), δ(E2/M1). Interacting boson approximation.

doi: 10.1088/0954-3899/20/5/012
Citations: PlumX Metrics


1989AB13      Nucl.Phys. A503, 452 (1989)

M.Abdelaziz, J.P.Elliott, M.J.Thompson, J.A.Evans

On the Role of Isoscalar Bosons in Lighter Nuclei

NUCLEAR STRUCTURE 46V, 48Cr, 46,44Ti, 44Sc; calculated levels, B(λ). 44Cr; calculated β-decay log ft. Shell model wave functions, boson analysis.

doi: 10.1016/0375-9474(89)90244-3
Citations: PlumX Metrics


1989TH05      Nucl.Phys. A504, 436 (1989)

M.J.Thompson, J.P.Elliott, J.A.Evans

A Microscopic IBM2 Hamiltonian for Particle-Hole Systems

NUCLEAR STRUCTURE 46Ti, 48Cr, 89,90Zr; calculated levels. Microscopic interacting boson model.

doi: 10.1016/0375-9474(89)90550-2
Citations: PlumX Metrics


1988AB02      J.Phys.(London) G14, 219 (1988)

M.Abdelaziz, M.J.Thompson, J.P.Elliott, J.A.Evans

Shell Model and IBM Descriptions of Mixed Symmetry or Isovector M1 Transitions in the Titanium Isotopes

NUCLEAR STRUCTURE 44,46,48Ti, 48Cr; calculated levels, B(M1). Shell, interacting boson models.

doi: 10.1088/0305-4616/14/2/014
Citations: PlumX Metrics


1988EV01      Nucl.Phys. A489, 269 (1988)

J.A.Evans, P.Van Isacker, J.P.Elliott

A Test of the Interacting Boson-Fermion Model in a Single j-Shell of Neutrons and Protons

NUCLEAR STRUCTURE 45Ti, 45Sc, 47V; calculated levels. Shell model.

doi: 10.1016/0375-9474(88)90153-4
Citations: PlumX Metrics


1987TH05      Phys.Lett. 195B, 511 (1987)

M.J.Thompson, J.P.Elliott, J.A.Evans

A Microscopically Determined IBM 3 Hamiltonian

NUCLEAR STRUCTURE 46Ti; calculated T = 1 spectrum. Interacting boson model.

doi: 10.1016/0370-2693(87)91563-2
Citations: PlumX Metrics


1985EL12      Nucl.Phys. A437, 208 (1985)

J.P.Elliott, J.A.Evans, E.E.Maqueda

α-Transfer and a Tetrahedral Shape for 16O

NUCLEAR STRUCTURE 16O; calculated density contours. Shell model, tetrahedral perturbation, α-clustering.

NUCLEAR REACTIONS 12C(6Li, d), E=42 MeV; calculated σ(θ); deduced optical model parameters, reaction mechanism. 16O levels deduced σ enhancement factors, rotational band structure. Shell model, tetrahedral perturbation, α-clustering.

doi: 10.1016/0375-9474(85)90233-7
Citations: PlumX Metrics


1985EV02      Nucl.Phys. A435, 317 (1985)

J.A.Evans, J.P.Elliott, S.Szpikowski

An IBM Analysis of a Single j-Shell of Neutrons and Protons

NUCLEAR STRUCTURE 44,46Ti, 44Sc, 44Ca; calculated level energies; deduced shell model analog of U(6), U(5) boson labels.

doi: 10.1016/0375-9474(85)90467-1
Citations: PlumX Metrics


1984HA14      Nucl.Phys. A417, 301 (1984)

P.Halse, J.P.Elliott, J.A.Evans

An Application of the Interacting Boson Model to the First Half of the sd Shell (1). Even-Even Nuclei

NUCLEAR STRUCTURE 20,22,24Ne, 20,22O, 20,24,26,28Mg, 28Si; calculated levels, B(E2), binding energies relative to 16O. Interacting boson model.

doi: 10.1016/0375-9474(84)90510-4
Citations: PlumX Metrics


1979EL04      Nucl.Phys. A324, 12 (1979)

J.P.Elliott, J.A.Evans

The Use of an Angular Momentum Constraint in Calculating Rotational Spectra

NUCLEAR STRUCTURE 8Be, 20Ne; calculated spectra. Hartree-Fock method, constraint on square of angular momentum.

doi: 10.1016/0375-9474(79)90073-3
Citations: PlumX Metrics


1975DI04      Nucl.Phys. A244, 301 (1975)

H.Dirim, J.P.Elliott, J.A.Evans

The Effective Hamiltonian and Spectra of the 0π Shell

NUCLEAR STRUCTURE 6,7Li, 10B, 14N; calculated levels. Modified Sussex matrix elements.

doi: 10.1016/0375-9474(75)90060-3
Citations: PlumX Metrics


1971BL12      Phys.Lett. 36B, 202 (1971)

R.J.Blin-Stoyle, J.A.Evans, A.M.Khan

Coulomb Effects in the A = 13, 18 Mirror β-Decays and the Second Class Current Problem

RADIOACTIVITY 13O, 13B, 18Ne, 18F; calculated Coulomb effects on proportional differences in ft-values.

doi: 10.1016/0370-2693(71)90068-2
Citations: PlumX Metrics


1971MA25      Nucl.Phys. A167, 16 (1971)

J.Mauger, J.A.Evans

Fractional Parentage and the Equations-of-Motion Method in Pairing Theory

NUCLEAR STRUCTURE 58Ni; calculated ground-state energy. Equations-of-motion method.

doi: 10.1016/0375-9474(71)90577-X
Citations: PlumX Metrics


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