NSR Query Results


Output year order : Descending
Format : Normal

NSR database version of April 11, 2024.

Search: Author = B.R.Barrett

Found 117 matches.

    Showing 1 to 100.

   [Next]

Back to query form



2019SM04      Phys.Rev. C 100, 054329 (2019)

N.A.Smirnova, B.R.Barrett, Y.Kim, I.J.Shin, A.M.Shirokov, E.Dikmen, P.Maris, J.P.Vary

Effective interactions in the sd shell

NUCLEAR STRUCTURE 18,19,21,23,25,26,27F, 21,22,23,24O, 22Na, 24Mg, 28,29Si, 32S, 39K; calculated levels, J, π, effective single-particle energies (ESPEs), B(E2) and Q(first 2+) for 24Mg, 28Si, 32S. 16,17,18,19,20,21,22,23,24,25,26,27,28O; calculated ground state energies relative to that of 16O, sub-shell gap and neutron spin-orbit splitting for even-A nuclei. No-core shell-model calculations with Okubo-Lee-Suzuki transformation, and microscopic effective shell-model interactions in the valence sd shell, obtained from chiral N3LO, JISP16, and Daejeon16 nucleon-nucleon potentials. Comparison with experimental data. Discussed possible role of the three-nucleon forces.

doi: 10.1103/PhysRevC.100.054329
Citations: PlumX Metrics


2015DI05      Phys.Rev. C 91, 064301 (2015)

E.Dikmen, A.F.Lisetskiy, B.R.Barrett, P.Maris, A.M.Shirokov, J.P.Vary

Ab initio effective interactions for sd-shell valence nucleons

NUCLEAR STRUCTURE 18,19F; calculated ground-state energies and energy levels, J, π using a double Okubo-Lee-Suzuki transformation within the ab initio no core shell model approach to generate microscopically the input for standard shell model calculations in the sd-shell, e.g. core and single-particle energies and two-body effective shell-model interactions. Comparison with exact no core shell model results yields good agreement.

doi: 10.1103/PhysRevC.91.064301
Citations: PlumX Metrics


2013BA02      Prog.Part.Nucl.Phys. 69, 131 (2013)

B.R.Barrett, P.Navratil, J.P.Vary

Ab initio no core shell model

doi: 10.1016/j.ppnp.2012.10.003
Citations: PlumX Metrics


2013BA34      J.Phys.:Conf.Ser. 445, 012002 (2013)

B.R.Barrett

Microscopic calculations of nuclear structure beyond the 0p-shell

NUCLEAR STRUCTURE 4,8,9,10He; calculated levels, J, π using NCSM (No Core Shell Model) with different interactions and varying the number of basis states.

doi: 10.1088/1742-6596/445/1/012002
Citations: PlumX Metrics


2013KR03      Phys.Rev. C 87, 044301 (2013)

M.K.G.Kruse, E.D.Jurgenson, P.Navratil, B.R.Barrett, W.E.Ormand

Extrapolation uncertainties in the importance-truncated no-core shell model

NUCLEAR STRUCTURE 6Li; calculated distribution of ground-state energies, and other parameters. Importance-truncated no-core shell model (IT-NCSM), and NCSM calculations.

doi: 10.1103/PhysRevC.87.044301
Citations: PlumX Metrics


2013PA30      Phys.Rev. C 88, 044318 (2013)

G.Papadimitriou, J.Rotureau, N.Michel, M.Ploszajczak, B.R.Barrett

Ab initio no-core Gamow shell model calculations with realistic interactions

NUCLEAR STRUCTURE 3H, 4,5He; calculated ground-state energies, widths, asymptotic normalization coefficients (ANC), spectroscopic factors for well-bound and unbound states. No-core Gamow shell model (NCGSM), and density matrix renormalization group (DMRG) method with N3LO interaction. Benchmarking of results against Faddeev and Faddeev-Yakubovsky calculations for 3H and 4He.

doi: 10.1103/PhysRevC.88.044318
Citations: PlumX Metrics


2012BA14      Prog.Part.Nucl.Phys. 67, 521 (2012)

B.R.Barrett

Extending the No Core Shell Model to heavier mass nuclei

NUCLEAR STRUCTURE 6,7Li, 8,9,10He; calculated ground state energy, quadrupole moments, energy levels, J, π. No Core Shell Model, comparison with available data.

doi: 10.1016/j.ppnp.2012.01.021
Citations: PlumX Metrics


2012RO07      Phys.Rev. C 85, 034003 (2012); Pub.Note Phys.Rev. C 85, 039903 (2012)

J.Rotureau, I.Stetcu, B.R.Barrett, U.van Kolck

Two and three nucleons in a trap, and the continuum limit

doi: 10.1103/PhysRevC.85.034003
Citations: PlumX Metrics


2009BA51      Nucl.Phys. A828, 267 (2009)

B.R.Barrett, B.G.Giraud, B.K.Jennings, N.P.Toberg

Concavity for nuclear bindings, thermodynamical functions and density functionals

doi: 10.1016/j.nuclphysa.2009.07.002
Citations: PlumX Metrics


2009LI31      Phys.Rev. C 80, 024315 (2009)

A.F.Lisetskiy, M.K.G.Kruse, B.R.Barrett, P.Navratil, I.Stetcu, J.P.Vary

Effective operators from exact many-body renormalization

NUCLEAR STRUCTURE 6Li; calculated levels, J, π, reduced two-body matrix elements, E2 reduced matrix elements and quadrupole moments using ab initio no-core shell model (NCSM) approach. 7,9Li; calculated absolute quadrupole moments and E2 transition matrix elements. Comparison with experimental data.

doi: 10.1103/PhysRevC.80.024315
Citations: PlumX Metrics


2009NA13      J.Phys.(London) G36, 083101 (2009)

P.Navratil, S.Quaglioni, I.Stetcu, B.R.Barrett

Recent developments in no-core shell-model calculations

NUCLEAR STRUCTURE 3H, 4,6,8He, 6,7,8,9,10,11Li, 11Be, 7,8,9,10,11B, 12,13C, 16O;calculated rms radii, level energies, J, π, B(E1), quadrupole and magnetic moments.

NUCLEAR REACTIONS 7Be(p, γ), 3He, 3H(α, γ), E ≤ 1.5, 2.5 MeV; calculated S-factor, NCSM overlap functions.

doi: 10.1088/0954-3899/36/8/083101
Citations: PlumX Metrics


2008LI44      Phys.Rev. C 78, 044302 (2008)

A.F.Lisetskiy, B.R.Barrett, M.K.G.Kruse, P.Navratil, I.Stetcu, J.P.Vary

Ab-initio shell model with a core

NUCLEAR STRUCTURE 6,7Li, 8,9,10He; calculated excitation energies, J, π. Ab-initio no-core shell model calculations.

doi: 10.1103/PhysRevC.78.044302
Citations: PlumX Metrics


2007BA84      Int.J.Mod.Phys. A22, 4883 (2007)

B.R.Barrett

Three nucleon forces and nuclear structure

NUCLEAR STRUCTURE 6,7Li; calculated excitation energies, J, π. Comparison with available data.

doi: 10.1142/S0217751X07038244
Citations: PlumX Metrics


2007QU02      Nucl.Phys. A790, 372c (2007)

S.Quaglioni, I.Stetcu, S.Bacca, B.R.Barrett, C.W.Johnson, P.Navratil, N.Barnea, W.Leidemann, G.Orlandini

Benchmark calculation of inclusive responses in the four-body nuclear system

NUCLEAR STRUCTURE 4He; calculated quadrupole response function. No-core shell model, effective interaction hyperspherical harmonic approach.

doi: 10.1016/j.nuclphysa.2007.03.068
Citations: PlumX Metrics


2007ST05      Nucl.Phys. A785, 307 (2007)

I.Stetcu, S.Quaglioni, S.Bacca, B.R.Barrett, C.W.Johnson, P.Navratil, N.Barnea, W.Leidemann, G.Orlandini

Benchmark calculation of inclusive electromagnetic responses in the four-body nuclear system

NUCLEAR STRUCTURE 4He; calculated ground-state energy, quadrupole and dipole response functions. No-core shell model, effective interaction hyperspherical harmonic approaches.

doi: 10.1016/j.nuclphysa.2006.12.047
Citations: PlumX Metrics


2006NE06      Phys.Rev.Lett. 97, 062502 (2006)

A.Negret, T.Adachi, B.R.Barrett, C.Baumer, A.M.van den Berg, G.P.A.Berg, P.von Brentano, D.Frekers, D.De Frenne, H.Fujita, K.Fujita, Y.Fujita, E.-W.Grewe, P.Haefner, M.N.Harakeh, K.Hatanaka, K.Heyde, M.Hunyadi, E.Jacobs, Y.Kalmykov, A.Korff, K.Nakanishi, P.Navratil, P.von Neumann-Cosel, L.Popescu, S.Rakers, A.Richter, N.Ryezayeva, Y.Sakemi, A.Shevchenko, Y.Shimbara, Y.Shimizu, Y.Tameshige, A.Tamii, M.Uchida, J.Vary, H.J.Wortche, M.Yosoi, L.Zamick

Gamow-Teller Strengths in the A = 14 Multiplet: A Challenge to the Shell Model

NUCLEAR REACTIONS 14N(d, 2p), E=175 MeV; 14N(3He, t), E=420 MeV; measured excitation energy spectra, σ(E, θ); deduced Gamow-Teller strength distributions. Comparison with no-core shell model predictions.

doi: 10.1103/PhysRevLett.97.062502
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1995. Data from this article have been entered in the XUNDL database. For more information, click here.


2006NO04      Phys.Rev. C 73, 064002 (2006)

A.Nogga, P.Navratil, B.R.Barrett, J.P.Vary

Spectra and binding energy predictions of chiral interactions for 7Li

NUCLEAR STRUCTURE 7Li; calculated ground and excited states energies; deduced sensitivity to chiral interactions, three-nucleon force. No-core shell model approach.

doi: 10.1103/PhysRevC.73.064002
Citations: PlumX Metrics


2006ST06      Phys.Rev. C 73, 037307 (2006)

I.Stetcu, B.R.Barrett, P.Navratil, J.P.Vary

Long- and short-range correlations in the ab-initio no-core shell model

NUCLEAR STRUCTURE 4He, 12C; calculated longitudinal-longitudinal distribution functions, effective operators. No-core shell model, two-body cluster approximation.

doi: 10.1103/PhysRevC.73.037307
Citations: PlumX Metrics


2005BA29      Int.J.Mod.Phys. E14, 157 (2005)

B.R.Barrett, D.M.Cardamone, C.A.Stafford

Exactly solvable model for the decay of superdeformed nuclei

NUCLEAR STRUCTURE 152Dy, 194Hg; calculated spreading widths for decay out of superdeformed bands, tunneling matrix element. Two-level model.

doi: 10.1142/S0218301305002886
Citations: PlumX Metrics


2005BA67      J.Phys.(London) G31, S1349 (2005)

B.R.Barrett

Theoretical approaches to many-body perturbation theory and the challenges

doi: 10.1088/0954-3899/31/8/013
Citations: PlumX Metrics


2005ST11      Int.J.Mod.Phys. E14, 95 (2005)

I.Stetcu, B.R.Barrett, P.Navratil, C.W.Johnson

Electromagnetic transitions with effective operators

NUCLEAR STRUCTURE 2H, 6Li; calculated transitions B(E2), B(M1). Effective operators.

doi: 10.1142/S0218301305002813
Citations: PlumX Metrics


2005ST14      Phys.Rev. C 71, 044325 (2005)

I.Stetcu, B.R.Barrett, P.Navratil, J.P.Vary

Effective operators within the ab initio no-core shell model

NUCLEAR STRUCTURE 4He, 6Li, 12C; calculated wave functions, transitions B(M1), B(E2). Effective operator formalism, no-core shell model.

doi: 10.1103/PhysRevC.71.044325
Citations: PlumX Metrics


2005ST35      Eur.Phys.J. A 25, Supplement 1, 489 (2005)

I.Stetcu, B.R.Barrett, P.Navratil, J.P.Vary

Effective operators in the NCSM formalism

NUCLEAR STRUCTURE 12C; calculated B(E2). No-core shell model.

doi: 10.1140/epjad/i2005-06-074-4
Citations: PlumX Metrics


2005VA32      Eur.Phys.J. A 25, Supplement 1, 475 (2005)

J.P.Vary, O.V.Atramentov, B.R.Barrett, M.Hasan, A.C.Hayes, R.Lloyd, A.I.Mazur, P.Navratil, A.G.Negoita, A.Nogga, W.E.Ormand, S.Popescu, B.Shehadeh, A.M.Shirokov, J.R.Spence, I.Stetcu, S.Stoica, T.A.Weber, S.A.Zaytsev

Ab initio No-Core Shell Model -- Recent results and future prospects

NUCLEAR STRUCTURE 4He; calculated radius. 6Li, 16O, 48Ar, 48K, 48Ca, 48Sc, 48Ti, 48V, 48Cr, 48Mn; calculated ground-state energies. 16O, 47Ca; calculated excited states energies. No-core shell model.

doi: 10.1140/epjad/i2005-06-214-x
Citations: PlumX Metrics


2004BB09      Nucl.Phys. A746, 579c (2004)

B.R.Barrett, P.Navratil, A.Nogga, W.E.Ormand, J.P.Vary

No-core shell-model calculations in light nuclei with three-nucleon forces

NUCLEAR STRUCTURE 6,7Li, 10B; calculated levels, J, π, three-nucleon force effects. No-core shell model.

doi: 10.1016/j.nuclphysa.2004.09.137
Citations: PlumX Metrics


2004NO11      Nucl.Phys. A737, 236 (2004)

A.Nogga, E.Epelbaum, P.Navratil, W.Glockle, H.Kamada, U.-G.Meissner, H.Witala, B.R.Barrett, J.P.Vary

Probing chiral interactions in light nuclei

NUCLEAR STRUCTURE 6Li; calculated binding energy, level energies, three-nucleon force effects. Chiral perturbation theory, no-core shell model.

doi: 10.1016/j.nuclphysa.2004.03.082
Citations: PlumX Metrics


2004VA29      Nucl.Phys. A746, 123c (2004)

J.P.Vary, B.R.Barrett, R.Lloyd, P.Navratil, A.Nogga, W.E.Ormand

Shell model in a first principles approach

NUCLEAR STRUCTURE 12C, 16O; calculated levels, J, π. No-core shell model, comparison with data.

doi: 10.1016/j.nuclphysa.2004.09.146
Citations: PlumX Metrics


2004ZH11      Phys.Rev. C 69, 034302 (2004)

H.Zhan, A.Nogga, B.R.Barrett, J.P.Vary, P.Navratil

Extrapolation method for the no-core shell model

NUCLEAR STRUCTURE 3H, 6Li; calculated binding energies. No-core shell model, extrapolation method.

doi: 10.1103/PhysRevC.69.034302
Citations: PlumX Metrics


2003AR07      Nucl.Phys. A720, 71 (2003)

S.Aroua, P.Navratil, L.Zamick, M.S.Fayache, B.R.Barrett, J.P.Vary, K.Heyde

Allowed Gamow-Teller excitations from the ground state of 14N

NUCLEAR REACTIONS 14N(d, 2p), E not given; calculated Gamow-Teller transition strengths to ground and excited states, role of two-particle spin-orbit and tensor forces.

NUCLEAR STRUCTURE 14C, 14N; calculated levels, J, π. Shell model, comparison with data.

doi: 10.1016/S0375-9474(03)00746-2
Citations: PlumX Metrics


2003CA28      Phys.Rev.Lett. 91, 102502 (2003)

D.M.Cardamone, C.A.Stafford, B.R.Barrett

How to Measure the Spreading Width for the Decay of Superdeformed Nuclei

NUCLEAR STRUCTURE 152Dy, 194Hg; analyzed data; deduced tunneling widths for decay out of superdeformed bands. Two-level model.

doi: 10.1103/PhysRevLett.91.102502
Citations: PlumX Metrics


2002BA15      Acta Phys.Pol. B33, 297 (2002)

B.R.Barrett, P.Navratil, W.E.Ormand, J.P.Vary

Ab initio Large-Basis No-Core Shell Model and Its Application to Light Nuclei

NUCLEAR STRUCTURE 3H, 3,4He; calculated ground-state energies. 6Li, 6He, 12C; calculated levels, J, π. No-core shell model, several potentials compared, comparisons with data.


2002BA65      Nucl.Phys. A704, 254c (2002)

B.R.Barrett, P.Navratil, J.P.Vary

Large-Basis No-Core Shell Model

NUCLEAR STRUCTURE 3H, 3,4He; calculated ground-state energies. 12C calculated levels, J, π, proton radii, quadrupole moments. No-core shell model approach.

doi: 10.1016/S0375-9474(02)00785-6
Citations: PlumX Metrics


2002DE48      Ann.Phys.(New York) 296, 287 (2002)

A.Deveikis, R.K.Kalinauskas, B.R.Barrett

Calculation of Coefficients of Fractional Parentage for Large-Basis Harmonic-Oscillator Shell Model

doi: 10.1006/aphy.2002.6229
Citations: PlumX Metrics


2002MA59      Phys.Rev. C66, 044007 (2002)

D.C.J.Marsden, P.Navratil, S.A.Coon, B.R.Barrett

Feasibility study of a three-nucleon force in the no-core shell model: 3H binding energy

NUCLEAR STRUCTURE 3H; calculated binding energy, excited states energies, dependence on cutoff parameter. Two-pion exchange three-body interaction.

doi: 10.1103/PhysRevC.66.044007
Citations: PlumX Metrics


2002NO05      Phys.Rev. C65, 054003 (2002)

A.Nogga, H.Kamada, W.Glockle, B.R.Barrett

The α Particle Based on Modern Nuclear Forces

NUCLEAR STRUCTURE 3H, 3He; calculated binding energies. 4He; calculated binding energy, wave functions, nucleon momentum distributions and correlations. Role of three- and four-nucleon forces discussed.

doi: 10.1103/PhysRevC.65.054003
Citations: PlumX Metrics


2001KA47      Phys.Rev. C64, 044001 (2001)

H.Kamada, A.Nogga, W.Glockle, E.Hiyama, M.Kamimura, K.Varga, Y.Suzuki, M.Viviani, A.Kievsky, S.Rosati, J.Carlson, S.C.Pieper, R.B.Wiringa, P.Navratil, B.R.Barrett, N.Barnea, W.Leidemann, G.Orlandini

Benchmark Test Calculation of a Four-Nucleon Bound State

NUCLEAR STRUCTURE A=4; calculated four-nucleon bound state energy, radius, related features. Several approaches compared.

doi: 10.1103/PhysRevC.64.044001
Citations: PlumX Metrics


2001KA55      Nucl.Phys. A695, 191 (2001)

G.P.Kamuntavicius, R.K.Kalinauskas, B.R.Barrett, S.Mickevicius, D.Germanas

The General Harmonic-Oscillator Brackets: Compact expression, symmetries, sums and Fortran code

doi: 10.1016/S0375-9474(01)01101-0
Citations: PlumX Metrics


2001NA33      Phys.Rev.Lett. 87, 172502 (2001)

P.Navratil, J.P.Vary, W.E.Ormand, B.R.Barrett

Six-Nucleon Spectroscopy from a Realistic Nonlocal Hamiltonian

NUCLEAR STRUCTURE 3H, 3,4,6He, 6Li; calculated ground-state energies. 6He, 6Li; calculated levels, J, π, B(E2), B(M1). 6He deduced soft dipole mode. No-core shell model, comparisons with data.

doi: 10.1103/PhysRevLett.87.172502
Citations: PlumX Metrics


2000DI01      Ann.Phys.(New York) 279, 81 (2000)

A.F.Diallo, B.R.Barrett, P.Navratil, C.Gorrichategui

The spdf IBA Analytical Description of Odd Parity States in the Actinide Region

NUCLEAR STRUCTURE 226,228,230,232Th, 232,234,236,238U, 238,240,242Pu; calculated levels, J, π. IBA with odd-l bosons in the condensate. Comparison with data.

doi: 10.1006/aphy.1999.5976
Citations: PlumX Metrics


2000NA06      Phys.Rev. C61, 044001 (2000)

P.Navratil, G.P.Kamuntavicius, B.R.Barrett

Few-Nucleon Systems in a Translationally Invariant Harmonic Oscillator Basis

NUCLEAR STRUCTURE 3H, 3,4He; calculated ground state, excited states energies, radii, charge form factors. Translationally invariant no-core shell model approach.

doi: 10.1103/PhysRevC.61.044001
Citations: PlumX Metrics


2000NA16      Phys.Rev.Lett. 84, 5728 (2000)

P.Navratil, J.P.Vary, B.R.Barrett

Properties of 12C in the Ab Initio Nuclear Shell Model

NUCLEAR STRUCTURE 12C; calculated levels, J, π, B(M1), B(E2), quadrupole moments, radii. No-core nuclear shell model. Comparisons with data.

doi: 10.1103/PhysRevLett.84.5728
Citations: PlumX Metrics


2000NA32      Phys.Rev. C62, 054311 (2000)

P.Navratil, J.P.Vary, B.R.Barrett

Large-Basis ab initio No-Core Shell Model and Its Application to 12C

NUCLEAR STRUCTURE 12C; calculated levels J, π, radii, binding energies, electromagnetic form factors, transitions B(E2), B(M1). Large basis no-core shell model.

doi: 10.1103/PhysRevC.62.054311
Citations: PlumX Metrics


1999BA12      Czech.J.Phys. 49, 1 (1999)

B.R.Barrett

Effective Operators in Shell-Model Calculations

doi: 10.1023/A:1022864308259
Citations: PlumX Metrics


1999BA77      Phys.Rev. C60, 037302 (1999)

B.R.Barrett, S.Kuyucak, P.Navratil, P.Van Isacker

Is There a Proton-Neutron Interacting Boson Model Rule for M1 Properties ?

NUCLEAR STRUCTURE 168Er; calculated ground, vibrational bands level energies, transition matrix elements, g. Neutron-proton interacting boson model.

doi: 10.1103/PhysRevC.60.037302
Citations: PlumX Metrics


1999DA01      Phys.Rev. C59, 200 (1999)

E.D.Davis, B.R.Barrett, A.F.Diallo

Importance of the Hexadecapole-Hexadecapole Interaction

NUCLEAR STRUCTURE Z=62-68; analyzed moments of inertia, B(E2), B(E4) for deformed even-even nuclei; deduced hexadecapole-hexadecapole interaction role. sdgIBM model.

doi: 10.1103/PhysRevC.59.200
Citations: PlumX Metrics


1999KA49      Phys.Rev. C60, 044304 (1999)

G.P.Kamuntavicius, P.Navratil, B.R.Barrett, G.Sapragonaite, R.K.Kalinauskas

Isoscalar Hamiltonians for Light Atomic Nuclei

NUCLEAR STRUCTURE 3H, 3,6He, 6Li, 6Be; calculated level energies. Charge-independent Hamiltonian.

doi: 10.1103/PhysRevC.60.044304
Citations: PlumX Metrics


1999NA04      Phys.Rev. C59, 611 (1999); Comment Phys.Rev. C60, 069801 (1999)

P.Navratil, B.R.Barrett, W.Glockle

Spurious States in the Faddeev Formalism for Few-Body Systems

doi: 10.1103/PhysRevC.59.611
Citations: PlumX Metrics


1999NA13      Phys.Rev. C59, 1906 (1999)

P.Navratil, B.R.Barrett

Four-Nucleon Shell-Model Calculations in a Faddeev-Like Approach

NUCLEAR STRUCTURE 4He; calculated binding energies, radii, level energies, form factors. Fadeev equations, shell model, three-body effective interaction.

doi: 10.1103/PhysRevC.59.1906
Citations: PlumX Metrics


1999OR01      Nucl.Phys. A645, 107 (1999)

A.M.Oros, K.Heyde, C.De Coster, B.Decroix, R.Wyss, B.R.Barrett, P.Navratil

Shape Coexistence in the Light Po Isotopes

NUCLEAR STRUCTURE 192,194,196,198,200,202,204,206,208,210Po; calculated levels, J, π, potential energy surfaces; deduced shape coexistence effects. Particle-core model, two-state mixing.

doi: 10.1016/S0375-9474(98)00602-2
Citations: PlumX Metrics


1999ST28      Phys.Rev. C60, 051305 (1999)

C.A.Stafford, B.R.Barrett

Simple Model for Decay of Superdeformed Nuclei

NUCLEAR STRUCTURE 152Dy, 192,194Hg, 194Pb; calculated superdeformed bands decay-out widths. Two-level model, coherent and incoherent tunneling limits.

doi: 10.1103/PhysRevC.60.051305
Citations: PlumX Metrics


1998NA02      Phys.Rev. C57, 562 (1998)

P.Navratil, B.R.Barrett

Shell-Model Calculations for the Three-Nucleon System

doi: 10.1103/PhysRevC.57.562
Citations: PlumX Metrics


1998NA17      Phys.Rev. C57, 3119 (1998)

P.Navratil, B.R.Barrett

Large-Basis Shell-Model Calculations for p-Shell Nuclei

NUCLEAR STRUCTURE 7,8,9,10He, 7,8,9,10,11Li, 7,8,9,10,11Be, 7,8,9,10B, 9,10C; calculated levels, J, π, proton radii, μ, Q. Shell model. Comparison with data.

doi: 10.1103/PhysRevC.57.3119
Citations: PlumX Metrics


1998TH03      Phys.Rev. C57, 3108 (1998)

M.Thoresen, P.Navratil, B.R.Barrett

Comparison of Techniques for Computing Shell-Model Effective Operators

doi: 10.1103/PhysRevC.57.3108
Citations: PlumX Metrics


1998WE14      Phys.Rev.Lett. 81, 3603 (1998)

H.A.Weidenmuller, P.von Brentano, B.R.Barrett

Spreading Width for Decay Out of a Superdeformed Band

NUCLEAR STRUCTURE 192,194Hg, 194Pb; analyzed data; deduced spreading widths for decay out of superdeformed bands, independent attenuation factor.

doi: 10.1103/PhysRevLett.81.3603
Citations: PlumX Metrics


1997NA03      Phys.Rev. C55, R573 (1997)

P.Navratil, M.Thoresen, B.R.Barrett

Microscopic Origins of Effective Charges in the Shell Model

NUCLEAR STRUCTURE 6Li; calculated effective Hamiltonian, electric quadrupole, magnetic dipole operators. Microscopic interactions, large scale 6(h-bar x Omega) calculation.

doi: 10.1103/PhysRevC.55.R573
Citations: PlumX Metrics


1997NA17      Phys.Rev. C56, 2542 (1997)

P.Navratil, B.R.Barrett, W.E.Ormand

Large-Basis Shell-Model Calculation of the 10C → 10B Fermi Matrix Element

NUCLEAR STRUCTURE 10B; calculated levels, binding energy, magnetic, quadrupole moments. 10C; calculated binding energy, charge radius; deduced β-decay isospin mixing role. Large basis shell model calculations.

doi: 10.1103/PhysRevC.56.2542
Citations: PlumX Metrics


1996DA14      Phys.Rev. C53, 2849 (1996)

E.D.Davis, A.F.Diallo, B.R.Barrett

g Boson and Systematics of the M1 Scissors Mode

doi: 10.1103/PhysRevC.53.2849
Citations: PlumX Metrics


1996NA06      Phys.Lett. 369B, 193 (1996)

P.Navratil, B.R.Barrett

Soluble Model Test of the Multi-Valued G-Matrix Effective Interaction

doi: 10.1016/0370-2693(95)01564-7
Citations: PlumX Metrics


1996NA08      Phys.Rev. C53, 2794 (1996)

P.Navratil, B.R.Barrett, J.Dobes

M1 Properties of Tungsten Isotopes in the Interacting Boson Model-2

NUCLEAR STRUCTURE 182,184,186W; calculated levels, B(λ), δ, g. Interacting boson model-2.

doi: 10.1103/PhysRevC.53.2794
Citations: PlumX Metrics


1996NA24      Phys.Rev. C54, 2986 (1996)

P.Navratil, B.R.Barrett

No-Core Shell-Model Calculations with Starting-Energy-Independent Multivalued Effective Interactions

NUCLEAR STRUCTURE 3H; calculated binding energy, μ, proton rms radius. 4He; calculated binding energy, proton rms radius. 5He, 6Li; calculated binding energy, μ, proton rms radius, quadrupole moment, levels. 6He; calculated binding energy, nucleon rms radii. Large-space, no-core shell model.

doi: 10.1103/PhysRevC.54.2986
Citations: PlumX Metrics


1996TH02      Phys.Rev. C53, 1997 (1996)

M.Thoresen, D.C.Zheng, B.R.Barrett

Test of Shell-Model Interactions for Nuclear Structure Calculations

NUCLEAR STRUCTURE 6Li; calculated levels, binding energy. No-core shell model space.

doi: 10.1103/PhysRevC.53.1997
Citations: PlumX Metrics


1996ZH06      Phys.Rev. C53, 1447 (1996)

D.C.Zheng, J.P.Vary, B.R.Barrett

Reply to ' Comment on ' Large-Space Shell-Model Calculations for Light Nuclei ' '

NUCLEAR STRUCTURE 6Li, 5He; analyzed no-core, large space shell model results; deduced model validity.

doi: 10.1103/PhysRevC.53.1447
Citations: PlumX Metrics


1995HA47      Phys.Lett. 363B, 145 (1995)

P.Halse, P.Van Isacker, B.R.Barrett

Sum Rules of B(M1, 0+1 → 1+) Strength in IBM-3 and IBM-4

NUCLEAR STRUCTURE 20,22Ne, 24,26Mg; calculated summed B(M1). Isospin-invariant forms of the interacting boson model.

doi: 10.1016/0370-2693(95)01213-A
Citations: PlumX Metrics


1995ZH11      Phys.Rev. C51, 2471 (1995)

D.C.Zheng, B.R.Barrett, J.P.Vary, H.Muther

Auxiliary Potential in No-Core Shell-Model Calculations

NUCLEAR STRUCTURE 4He; calculated ground state energy. No-core shell model, Lee-Suzuki iteration method.

doi: 10.1103/PhysRevC.51.2471
Citations: PlumX Metrics


1995ZH32      Phys.Rev. C52, 2488 (1995)

D.C.Zheng, B.R.Barrett, J.P.Vary, W.C.Haxton, C.-L.Song

Large-Basis Shell Model Studies of Light Nuclei with a Multivalued G-Matrix Effective Interaction

NUCLEAR STRUCTURE 5,4He; calculated levels. 7,6Li; calculated levels, binding energy, μ, quadrupole moment, proton rms radii. Large basis shell model.

doi: 10.1103/PhysRevC.52.2488
Citations: PlumX Metrics


1994BA24      Nucl.Phys. A570, 23c (1994)

B.R.Barrett, D.C.Zheng, L.Jaqua, J.P.Vary, R.J.McCarthy

Realistic Microscopic Calculations for the Light Nuclei A = 2 to 7

NUCLEAR STRUCTURE 4,5He, 6,7Li; calculated levels. Realistic microscopic calculation.

doi: 10.1016/0375-9474(94)90266-6
Citations: PlumX Metrics


1994BA57      Phys.Rev. C50, 1917 (1994)

B.R.Barrett, E.D.Davis, A.F.Diallo

Can We Do Without the Majorana Term in the Effective Nuclear Interaction ( Question )

NUCLEAR STRUCTURE 148,150,152,154Sm; calculated B(λ), g-factors; deduced Majorana term strength features.

doi: 10.1103/PhysRevC.50.1917
Citations: PlumX Metrics


1994JA08      Nucl.Phys. A571, 242 (1994)

L.Jaqua, P.Halse, B.R.Barrett, J.P.Vary

Effective Shell-Model Interaction for No-Core Model Spaces

NUCLEAR STRUCTURE 4He; calculated binding energy vs intermediate state excitation energy; deduced model convergence features. Effective shell-model interaction, no-core model spaces.

doi: 10.1016/0375-9474(94)90059-0
Citations: PlumX Metrics


1994ZH07      Phys.Rev. C49, 1999 (1994)

D.C.Zheng, B.R.Barrett, J.P.Vary, R.J.McCarthy

Simple Approximation for the Starting-Energy-Independent Two-Body Effective Interaction with Applications to 6Li

NUCLEAR STRUCTURE 6Li; calculated levels. Exact, approximate effective interactions, Lee-Suzuki iteration method.

doi: 10.1103/PhysRevC.49.1999
Citations: PlumX Metrics


1994ZH10      Phys.Rev. C49, 3342 (1994)

D.C.Zheng, B.R.Barrett

Nuclear Shell-Model Calculations for 6Li and 14N with Different NN Potentials

NUCLEAR STRUCTURE 6Li, 14N; calculated levels, μ, B(λ), quadrupole moment. Different NN-interactions.

doi: 10.1103/PhysRevC.49.3342
Citations: PlumX Metrics


1994ZH23      Phys.Rev. C50, 2841 (1994)

D.C.Zheng, J.P.Vary, B.R.Barrett

Large-Space Shell-Model Calculations for Light Nuclei

NUCLEAR STRUCTURE 2H, 6Li, 5He; calculated levels, binding energy, μ, quadrupole moment, proton rms radius. 3H, 4He; calculated levels, binding energy.

doi: 10.1103/PhysRevC.50.2841
Citations: PlumX Metrics


1993BA36      Nucl.Phys. A557, 551c (1993)

A.F.Barfield, B.R.Barrett

High-Spin States and Superdeformation in the Proton-Neutron Interacting Boson Model

NUCLEAR STRUCTURE 192Hg, 232U; calculated levels, moment of inertia for bands. 192Hg deduced possible new superdeformed band candidate. Neutron-proton interacting boson model.

doi: 10.1016/0375-9474(93)90568-I
Citations: PlumX Metrics


1993DI07      Ann.Phys.(New York) 222, 159 (1993)

A.F.Diallo, E.D.Davis, B.R.Barrett

An Improved Asymptotic Realisation of the Projected Intrinsic State Approximation in IBM

doi: 10.1006/aphy.1993.1020
Citations: PlumX Metrics


1993JA11      Phys.Rev. C48, 1765 (1993)

L.Jaqua, D.C.Zheng, B.R.Barrett, J.P.Vary

Effects of the Single-Particle Potential Insertions in the Effective Interaction

NUCLEAR STRUCTURE 4He, 6Li; calculated levels. Different ways of single particle potential insertions in effective interaction.

doi: 10.1103/PhysRevC.48.1765
Citations: PlumX Metrics


1993ZH15      Phys.Rev. C48, 1083 (1993)

D.C.Zheng, B.R.Barrett, L.Jaqua, J.P.Vary, R.J.McCarthy

Microscopic Calculations of the Spectra of Light Nuclei

NUCLEAR STRUCTURE 4,5He, 6,7Li; calculated ground state energies, levels. Large shell model space, realistic interactions, G-matricies.

doi: 10.1103/PhysRevC.48.1083
Citations: PlumX Metrics


1992BA15      Phys.Rev. C45, R1417 (1992)

B.R.Barrett, R.F.Casten, J.N.Ginocchio, T.Seligman, H.A.Weidenmuller

Is there Incomplete Mixing of States with Different K Quantum Numbers in the Neutron Resonance Region ( Question )

NUCLEAR STRUCTURE 168Er, 178Hf; analyzed primary transitions Iγ; deduced incomplete K-mixing evidence.

doi: 10.1103/PhysRevC.45.R1417
Citations: PlumX Metrics


1992BA52      Phys.Rev. C46, 1735 (1992)

B.R.Barrett, T.Otsuka

E0 Decays of β Vibrations in the O(6) Limit of the Neutron-Proton Interacting Boson Model

NUCLEAR STRUCTURE 110,112,114,116,118,120,122,124,126,128,130,132,134Ba; calculated E0 transition strength, isotope, isomer shifts. Ground state, vibrational bandhead states, neutron-proton interacting boson model, O(6) limit.

doi: 10.1103/PhysRevC.46.1735
Citations: PlumX Metrics


1992BA59      Phys.Lett. 295B, 5 (1992)

B.R.Barrett, E.D.Davis, A.F.Diallo

g-Boson Panacea for Magnetic Properties of the Nuclear Groundstate Band ( Questiion )

NUCLEAR STRUCTURE 198,196,194,192Pt, 188,190,192Os; analyzed ground state band g-factor data; deduced g-boson degree of freedom does not resolve discrepancies. Other nuclei included, sdg-version of the interacting boson model, variation-after-angular momentum projection Hartree-Bose approximation.

doi: 10.1016/0370-2693(92)90079-J
Citations: PlumX Metrics


1992JA13      Phys.Rev. C46, 2333 (1992)

L.Jaqua, M.A.Hasan, J.P.Vary, B.R.Barrett

Kinetic-Energy Operator in the Effective Shell-Model Interaction

NUCLEAR STRUCTURE 16,17O; calculated single-particle energies; deduced center-of-mass kinetic energy role in relating these to observed removal energies. Effective shell model interactions.

doi: 10.1103/PhysRevC.46.2333
Citations: PlumX Metrics


1991BA04      Phys.Rev. C43, R926 (1991)

B.R.Barrett, G.D.Dracoulis, R.A.Bark

Intruder Bands as F-Spin Analog States

NUCLEAR STRUCTURE A=168-182; analyzed band structure; deduced intruder band, F-spin analog relationship. 172,174Os, 180,182Hg, 176,178Pb; calculated uncoupled band moments of inertia, quadrupole moments. F-spin, interacting boson model.

doi: 10.1103/PhysRevC.43.R926
Citations: PlumX Metrics


1991BA34      Phys.Rev. C44, 1454 (1991)

A.F.Barfield, B.R.Barrett

Multiparticle-Multihole Configuration Mixing within the Neutron-Proton Interacting Boson Model

NUCLEAR STRUCTURE 192Hg; calculated levels. Neutron-proton interacting boson model, multiparticle-multihole configuration mixing.

doi: 10.1103/PhysRevC.44.1454
Citations: PlumX Metrics


1991KU17      Phys.Lett. 263B, 347 (1991)

S.Kuyucak, V.-S.Lac, I.Morrison, B.R.Barrett

γ-Unstable Nuclei in the sdg Boson Model

NUCLEAR STRUCTURE 194,196,198Pt; calculated levels, E4 matrix elements. 126Xe; calculated levels. sdg boson model, O(6) limit.

doi: 10.1016/0370-2693(91)90471-2
Citations: PlumX Metrics


1989HA23      Ann.Phys.(New York) 192, 204 (1989)

P.Halse, B.R.Barrett

β-Decay and the Structure of Light Nuclei

NUCLEAR STRUCTURE A=20-36; calculated β-decay Gamow-Teller transition strengths; deduced T=0 state structure. Interacting boson model, SU(4) limit.

doi: 10.1016/0003-4916(89)90125-5
Citations: PlumX Metrics


1989SC11      Phys.Rev. C39, 2419 (1989)

H.A.Schmitt, P.Halse, A.B.Balantekin, B.R.Barrett

Noncompact Orthosymplectic Supersymmetry in 61Ni and 62Ni

NUCLEAR STRUCTURE 61,62Ni; calculated levels, B(λ); deduced supersymmetry classification scheme. Geometrical model, noncompact orthosymplectic supersymmetry.

doi: 10.1103/PhysRevC.39.2419
Citations: PlumX Metrics


1988BA17      Ann.Phys.(New York) 182, 344 (1988)

A.F.Barfield, B.R.Barrett, J.L.Wood, O.Scholten

An Interacting Boson Model Description of Octupole States in Nuclei

NUCLEAR STRUCTURE 154Sm, 156,158Gd, 158,162Dy, 168Er, 172Yb, 178Hf, 182W; calculated levels, B(λ). Interacting boson model.

doi: 10.1016/0003-4916(88)90016-4
Citations: PlumX Metrics


1988BA47      Phys.Rev. C38, 1392 (1988)

A.B.Balantekin, B.R.Barrett, P.Halse

β Vibrations in the O(6) Limit of the Proton-Neutron Interacting Boson Model

NUCLEAR STRUCTURE 196Pt, 134Ba; calculated (β)-vibrational state energy. Proton-neutron interacting boson model, O(6) limit.

doi: 10.1103/PhysRevC.38.1392
Citations: PlumX Metrics


1988SC06      J.Phys.(London) G14, 657 (1988)

H.A.Schmitt, A.B.Balantekin, B.R.Barrett

Comment on ' Application of Spinor Symmetry to 131,133Xe and 135Ba '

NUCLEAR STRUCTURE 131Xe; calculated B(λ). Spinor symmetry validity discussion.

doi: 10.1088/0305-4616/14/5/020
Citations: PlumX Metrics


1987BA17      Phys.Rev. C35, 1878 (1987)

A.B.Balantekin, B.R.Barrett

Collective 2+ States in the U(5) Classical Limit of the Proton-Neutron Interacting Boson Model

NUCLEAR STRUCTURE 140Ba; calculated symmetric, antisymmetric 2+ state energies. Interacting boson model.

doi: 10.1103/PhysRevC.35.1878
Citations: PlumX Metrics


1987DR10      Ann.Phys.(New York) 176, 114 (1987)

C.H.Druce, S.Pittel, B.R.Barrett, P.D.Duval

The Interacting Boson Model: Microscopic calculations for the Mercury isotopes

NUCLEAR STRUCTURE 194,196,198,200,202Hg; calculated energy levels, B(E2), branching ratios, quadrupole moments. Microscopic interacting boson model.

doi: 10.1016/0003-4916(87)90179-5
Citations: PlumX Metrics


1987SE03      Phys.Rev. C35, 844 (1987)

P.B.Semmes, A.F.Barfield, B.R.Barrett, J.L.Wood

Testing Interacting Boson Model Cores through Particle-Core Coupling: Negative parity states in the odd-mass Tl and Au isotopes

NUCLEAR STRUCTURE 189,191,193,195Au, 191,193,195,197Tl; calculated levels. Interacting boson model.

doi: 10.1103/PhysRevC.35.844
Citations: PlumX Metrics


1986BA56      Phys.Rev. C34, 2001 (1986)

A.F.Barfield, J.L.Wood, B.R.Barrett

Interacting Boson Model Calculation of Octupole States in Deformed Nuclei

NUCLEAR STRUCTURE 154Sm, 158Gd, 168Er, 172Yb, 178Hf; calculated levels, octupole bandhead energies, B(E3). Interacting boson model calculations.

doi: 10.1103/PhysRevC.34.2001
Citations: PlumX Metrics


1986BA67      Radiat.Eff. 95, 149 (1986)

B.R.Barrett, I.Morrison, J.G.Zabolitzky

How Well are the IBM-2 Parameters Determined by the Experimental Data ( Question )

NUCLEAR STRUCTURE 196Pt; calculated levels; deduced model parameters. Interacting boson model.

doi: 10.1080/00337578608208683
Citations: PlumX Metrics


1986DA03      Nucl.Phys. A449, 256 (1986)

H.J.Daley, B.R.Barrett

An Interacting Boson Model of Clustering in Nuclei: α-like clustering in the heavy actinides

NUCLEAR STRUCTURE 222,224,226,228,230,232,234,236,238U, 220,222,224,226,228,230,232,234,236Th, 218,220,222,224,226,228,230,232,234Ra; calculated levels, B(E2); deduced model parameters. Interacting boson model, α-clustering.

doi: 10.1016/0375-9474(86)90006-0
Citations: PlumX Metrics


1985BA25      Phys.Lett. 155B, 133 (1985)

B.R.Barrett, P.Halse

M1 Transition Strength in the SU(3) Limit of the Generalized IBM-2

NUCLEAR STRUCTURE 156Gd; analyzed B(M1) interpretation. Interacting boson model, generalized SU(3) limit, arbitrarily large boson number.

doi: 10.1016/0370-2693(85)90972-4
Citations: PlumX Metrics


1985BA31      Phys.Rev. C32, 288 (1985)

A.B.Balantekin, B.R.Barrett

Collective M1 States in the Classical Limit of the Neutron-Proton Interacting Boson Model

NUCLEAR STRUCTURE 152,154,156Gd; calculated n-p antisymmetric M1 state vs Majorana term parameter. Interacting boson model.

doi: 10.1103/PhysRevC.32.288
Citations: PlumX Metrics


1985DR05      Phys.Lett. 157B, 115 (1985)

C.H.Druce, S.Pittel, B.R.Barrett, P.D.Duval

Microscopic Calculation of the Majorana Parameters of the Interacting Boson Model for the Hg Isotopes

NUCLEAR STRUCTURE 194,196,198,200,202Hg; calculated levels, Majorana parameters. Neutron-proton interacting boson model.

doi: 10.1016/0370-2693(85)91528-X
Citations: PlumX Metrics


1984BA69      Phys.Lett. 149B, 277 (1984)

A.F.Barfield, B.R.Barrett

The Interacting Boson Model and the Structure of 182Hg

NUCLEAR STRUCTURE 182Hg; calculated levels. Interacting boson model.

doi: 10.1016/0370-2693(84)90405-2
Citations: PlumX Metrics


1983BA21      Z.Phys. A311, 205 (1983)

A.F.Barfield, B.R.Barrett, K.A.Sage, P.D.Duval

The Interacting Boson Model Applied to the Mercury Isotopes

NUCLEAR STRUCTURE 182,184,186,188,190,192,194,196,198,200,202Hg; calculated levels, B(E2), E0 transition rates, isotope shifts, quadrupole moments, B(E2) ratios, B(E0)/B(E2). Interacting boson model.

doi: 10.1007/BF01415106
Citations: PlumX Metrics


1983BA47      Phys.Lett. 129B, 153 (1983)

A.B.Balantekin, B.R.Barrett, S.Levit

Potential Energy Surfaces in the Classical Limit of the IBM-2

NUCLEAR STRUCTURE 168,170,172,174,176,178,180,182,184,186,188,190,192,194W; calculated neutron proton potential energy distribution; deduced stable minimum deformation parameters.

doi: 10.1016/0370-2693(83)90832-8
Citations: PlumX Metrics


1983DU08      Phys.Lett. 129B, 289 (1983)

P.D.Duval, S.Pittel, B.R.Barrett, C.H.Druce

g-Boson Renormalization Effects in the Interacting Boson Model for Nondegenerate Orbits

NUCLEAR STRUCTURE 204,202,200,198,196,194,192,190,188,186,184Hg; calculated single boson energy splittings, quadrupole boson parameters. Interacting boson model, nondegenerate orbits, g-boson renormalization.

doi: 10.1016/0370-2693(83)90667-6
Citations: PlumX Metrics


Back to query form    [Next]