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NSR database version of April 24, 2024.

Search: Author = G.Levai

Found 43 matches.

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2023BA10      J.Phys.(London) G50, 045104 (2023)

S.Baid, G.Levai, J.M.Arias

Extended analytical solutions of the Bohr Hamiltonian with the sextic oscillator: Pt-Os isotopes

NUCLEAR STRUCTURE 188,190,192,194,196,198Pt, 186,188,190,192Os; calculated energy levels, J, π, B(E2) ratios, E2 transitions, energy eigenvalues, ground-state bands. Comparison with available data.

doi: 10.1088/1361-6471/acb78a
Citations: PlumX Metrics

2021LE10      J.Phys.(London) G48, 085102 (2021)

G.Levai, J.M.Arias

Extended analytical solutions of the Bohr Hamiltonian with the sextic oscillator

NUCLEAR STRUCTURE 98,100,102,104,106,108Ru, 102,104,106,108,110Pd; calculated energy levels, J, π, B(E2). Comparison with available data.

doi: 10.1088/1361-6471/abcdf6
Citations: PlumX Metrics

2013LE23      Phys.Rev. C 88, 014328 (2013)


Semimicroscopic algebraic description of α clustering in 22Ne

NUCLEAR STRUCTURE 22Ne; calculated levels, J, π, bands, B(E1), B(E2). Su(3) representation. Molecular orbital bands. Cluster structure. Semimicroscopic algebraic cluster model (SACM). Comparison with other model calculations, and with experimental data.

doi: 10.1103/PhysRevC.88.014328
Citations: PlumX Metrics

2012FR02      Phys.Rev. C 85, 014317 (2012)

P.R.Fraser, H.Yepez-Martinez, P.O.Hess, G.Levai

Phenomenological and microscopic cluster models. II. Phase transitions

NUCLEAR STRUCTURE 20Ne, 24Mg; calculated lowest energy levels, J, π, phase transitions. semi-microscopic and phenomenological algebraic cluster models (SACM, PACM), α-cluster states.

doi: 10.1103/PhysRevC.85.014317
Citations: PlumX Metrics

2012LE04      Phys.Rev. C 85, 034333 (2012)

D.Lebhertz, S.Courtin, F.Haas, D.G.Jenkins, C.Simenel, M.-D.Salsac, D.A.Hutcheon, C.Beck, J.Cseh, J.Darai, C.Davis, R.G.Glover, A.Goasduff, P.E.Kent, G.Levai, P.L.Marley, A.Michalon, J.E.Pearson, M.Rousseau, N.Rowley, C.Ruiz

12C(16O, γ)28Si radiative capture: Structural and statistical aspects of the γ decay

NUCLEAR REACTIONS 12C(16O, γ)28Si, E=19.8, 20.5, 21.0 MeV; measured measured energy loss, time of flight, E(28Si recoils), Eγ, Iγ, γ(recoil)-coin, γ(θ), angular momentum distribution using DRAGON spectrometer at TRIUMF; deduced levels, J, π, total and partial radiative capture cross section, dinuclear lifetimes as function of mean angular momentum. Coupled-channel analysis for momentum distributions. GEANT3 simulations. Discussed statistical and structural aspects.

doi: 10.1103/PhysRevC.85.034333
Citations: PlumX Metrics

2012YE02      Phys.Rev. C 85, 014316 (2012)

H.Yepez-Martinez, P.R.Fraser, P.O.Hess, G.Levai

Phenomenological and microscopic cluster models. I. The geometric mapping

doi: 10.1103/PhysRevC.85.014316
Citations: PlumX Metrics

2010LE05      Phys.Rev. C 81, 044304 (2010)

G.Levai, J.M.Arias

Search for critical-point nuclei in terms of the sextic oscillator

NUCLEAR STRUCTURE 102,104,106,108,110Pd, 98,100,102,104,106,108Ru, 106,108,110,112,114,116Cd; analyzed energies, J, π; calculated B(E2), and E0 transition strengths using sextic oscillator model for spherical to deformed γ-unstable nuclei. Comparison with experimental data.

doi: 10.1103/PhysRevC.81.044304
Citations: PlumX Metrics

2010LE25      J.Phys.:Conf.Ser. 205, 012023 (2010)


The sextic oscillator and E(5) type nuclei

NUCLEAR STRUCTURE 98,100,102,104,106,108Ru, 102,104,106Pd, 106,108Cd, 122,124,126Te, 120,122,124,126,128,130Xe, 134,136Ba; calculated levels, J, π using E(5) symmetry; deduced model parameters from the fit to the data.

doi: 10.1088/1742-6596/205/1/012023
Citations: PlumX Metrics

2008LE30      Int.J.Mod.Phys. E17, 2290 (2008)


Supersymmetric interpretation of core+α type cluster systems

doi: 10.1142/S0218301308011495
Citations: PlumX Metrics

2007LE16      J.Phys.(London) G34, 1729 (2007)

G.Levai, J.Cseh, P.Van Isacker

Application of cluster supersymmetry to nuclei with mass numbers A = 20, 19 and 18

NUCLEAR STRUCTURE A=18, 19, 20; calculated one nucleon transfer intensities, spectroscopic factors and B(E2) using a cluster supersymmetry scheme based on core+α configuration.

doi: 10.1088/0954-3899/34/7/013
Citations: PlumX Metrics

2006LE33      Eur.Phys.J. A 27, Supplement 1, 277 (2006)

G.Levai, P.O.Hess

A simple interpretation of global trends in the lowest levels of p- and sd-shell nuclei

NUCLEAR STRUCTURE 12,13,14,15,16,17,18,19,20C; analyzed levels, J, π, configurations.

doi: 10.1140/epja/i2006-08-042-5
Citations: PlumX Metrics

2005HE25      Int.J.Mod.Phys. E14, 845 (2005)

P.O.Hess, G.Levai

Global trends in the lowest positive- and negative-parity levels of p- and sd-shell nuclei

NUCLEAR STRUCTURE Z=2-20; A=4-40; calculated excited states energies, configurations, quadrupole moments, deformations.

doi: 10.1142/S0218301305003636
Citations: PlumX Metrics

2004LE05      Phys.Rev. C 69, 014304 (2004)

G.Levai, J.M.Arias

The sextic oscillator as a γ-independent potential

NUCLEAR STRUCTURE 134Ba; calculated relative level energies, B(E2). Sextic oscillator, comparison with data.

doi: 10.1103/PhysRevC.69.014304
Citations: PlumX Metrics

2004LE27      Acta Phys.Hung.N.S. 19, 285 (2004)

G.Levai, J.Cseh, P.Van Isacker

A Nuclear Mass Formula Based on Wigner's SU(4) Symmetry

doi: 10.1556/APH.19.2004.3-4.23
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2003LE35      Acta Phys.Hung.N.S. 18, 229 (2003)

G.Levai, J.Cseh, P.Van Isacker

Correlations and Symmetries in the Spectra of Light α-Cluster Systems

NUCLEAR STRUCTURE 18,19F, 20Ne; analyzed α-cluster collective bands, symmetry features.

doi: 10.1556/APH.18.2003.2-4.17
Citations: PlumX Metrics

2001HE28      Acta Phys.Hung.N.S. 13, 197 (2001)

L.Hernandez, P.O.Hess, A.Algora, G.Levai

α-Clustering in Be Isotopes

NUCLEAR STRUCTURE 10,11Be; calculated levels, J, π. Algebraic cluster model.

doi: 10.1556/APH.13.2001.1-3.27
Citations: PlumX Metrics

2001HE33      J.Phys.(London) G27, 2019 (2001)

L.Hernandez de la Pena, P.O.Hess, G.Levai, A.Algora

α-Cluster Structure in Be Isotopes

NUCLEAR STRUCTURE 6,7,8,9,10,11,12Be; calculated levels, J, π. Semimicroscopic algebraic cluster model, comparisons with data.

doi: 10.1088/0954-3899/27/10/305
Citations: PlumX Metrics

2001LE48      Eur.Phys.J. A 12, 305 (2001)

G.Levai, J.Cseh, P.Van Isacker

Supersymmetry for Nuclear Cluster Systems

NUCLEAR STRUCTURE 20Ne, 19F; calculated levels, J, π, configurations and B(E2) in terms of core+α cluster model. Comparison with data.

doi: 10.1007/s100500170007
Citations: PlumX Metrics

2000CS07      Acta Phys.Hung.N.S. 12, 119 (2000)

J.Cseh, G.Levai, A.Algora, P.O.Hess, A.Intasorn, K.Kato

On the Shell-Model Connection of the Cluster Model

2000KO11      Phys.Rev. C61, 034302 (2000)

B.Konya, G.Levai, Z.Papp

Continued Fraction Representation of the Coulomb Green's Operator and Unified Description of Bound, Resonant and Scattering States

NUCLEAR REACTIONS 4He(α, α), E < 30 MeV; calculated nuclear potential, scattering phase shifts. Continued fraction representation of Coulomb Green's operator.

doi: 10.1103/PhysRevC.61.034302
Citations: PlumX Metrics

2000LE36      Acta Phys.Hung.N.S. 12, 123 (2000)

G.Levai, J.Cseh, K.Kato

Cluster Configurations and Their Symmetries

1999LE14      Phys.Rev.Lett. 82, 3972 (1999)

A.Lepine-Szily, M.S.Hussein, R.Lichtenthaler, J.Cseh, G.Levai

Elastic Transfer: A nondispersive component in the optical potential, and its effect on the 12C + 24Mg elastic scattering

NUCLEAR REACTIONS 24Mg(12C, 12C), E(cm)=12, 13, 14 MeV; 28Si(12C, 12C), E(cm)=13.3, 14.7, 16.1 MeV; analyzed σ(θ); deduced dispersive component to optical potential. 24Mg ground state deduced carbon clustering role.

doi: 10.1103/PhysRevLett.82.3972
Citations: PlumX Metrics

1999LE38      Acta Phys.Pol. B30, 1451 (1999)

A.Lepine-Szily, M.S.Hussein, R.Lichtenthaler, J.Cseh, G.Levai

Elastic Transfer: A non-dispersive component in the optical potential and its effect in the 12C + 24Mg elastic scattering

NUCLEAR REACTIONS 24Mg(12C, 12C), E=16-40 MeV; 28Si(12C, 12C), E(cm)=13-16 MeV; analyzed σ(θ); deduced relations between the real and imaginary optical model terms. 24Mg deduced cluster features.

1998CS05      Phys.Rev. C58, 2144 (1998)

J.Cseh, G.Levai, A.Ventura, L.Zuffi

Coexistence of Cluster Configurations in the 32S Nucleus

NUCLEAR STRUCTURE 32S; calculated levels, J, π, B(E2), B(M1), molecular resonances. Semimicroscopic algebraic cluster model.

doi: 10.1103/PhysRevC.58.2144
Citations: PlumX Metrics

1998LE18      Phys.Lett. 433B, 250 (1998)

G.Levai, J.Cseh, P.Van Isacker, O.Juillet

Mass Formula for Λ Hypernuclei Based on SU(6) Symmetry

NUCLEAR STRUCTURE A=5-260; calculated Λ-hypernuclei masses. Extension of Weizacker formula.

doi: 10.1016/S0370-2693(98)00724-2
Citations: PlumX Metrics

1998LE25      Nucl.Phys. A639, 161c (1998)

G.Levai, J.Cseh, P.Van Isacker, O.Juillet

A Symmetry Based Mass Formula for Λ Hypernuclei

doi: 10.1016/S0375-9474(98)00265-6
Citations: PlumX Metrics

1998LE28      Acta Phys.Hung.N.S. 7, 51 (1998)


Manifestation of Cluster Symmetries in Nuclear Spectra

NUCLEAR STRUCTURE 12C, 16O; calculated levels, J, π; deduced cluster symmetry features.

1997CS08      Nuovo Cim. 110A, 921 (1997)

J.Cseh, G.Levai, A.Algora, P.O.Hess, K.Kato

The Semimicroscopic Algebraic Cluster Model: I. - Basic concepts and relations to other models

doi: 10.1007/BF03035927
Citations: PlumX Metrics

1997CS09      Acta Phys.Hung.N.S. 5, 109 (1997)

J.Cseh, G.Levai

U(3) Symmetry: A link between nuclear models and phenomena

NUCLEAR STRUCTURE 24Mg; calculated cluster states; deduced U(3) symmetry role.

1997LE37      Nuovo Cim. 110A, 927 (1997)

G.Levai, J.Cseh, P.Van Isacker, W.Scheid

The Semimicroscopic Algebraic Cluster Model: II. - Detailed analysis

1996BA26      Nucl.Phys. A599, 435 (1996)

D.Baye, G.Levai, J.-M.Sparenberg

Phase-Equivalent Complex Potentials

NUCLEAR REACTIONS 16O(α, α), E not given; calculated effective potential. 20Ne deduced level energies from potential. Phase equivalent complex potentials.

doi: 10.1016/0375-9474(95)00487-4
Citations: PlumX Metrics

1996FU07      Nucl.Phys. A604, 286 (1996)

Zs.Fulop, G.Levai, E.Somorjai, A.Z.Kiss, J.Cseh, P.Tikkanen, J.Keinonen

A Comprehensive Study of the 34S + α System

NUCLEAR REACTIONS, ICPND 34S(α, γ), E=3.4-4.4 MeV; measured γ yield vs E. 38Ar deduced levels, J, π, B(λ). Implanted target. Semimicroscopic algebraic cluster model, dynamic symmetry.

doi: 10.1016/0375-9474(96)00173-X
Citations: PlumX Metrics

1996HE20      Phys.Rev. C54, 2345 (1996)

P.O.Hess, G.Levai, J.Cseh

Geometrical Interpretation of the Semimicroscopic Algebraic Cluster Model

NUCLEAR STRUCTURE A=16, 20; calculated α-cluster state energies. Semimicroscopic algebraic cluster model, geometrical interpretation.

doi: 10.1103/PhysRevC.54.2345
Citations: PlumX Metrics

1996LE06      Phys.Lett. 381B, 1 (1996)

G.Levai, J.Cseh

Consistent Semimicroscopic Algebraic Description of Core + α-Particle Systems in the A = 16 to 20 Region

NUCLEAR STRUCTURE A=16, 18, 20; analyzed data; deduced model parameters. 17O; calculated levels using parameters for 13C+α cluster system. Semi-microscopic algebraic cluster model.

doi: 10.1016/0370-2693(96)00548-5
Citations: PlumX Metrics

1994CS09      Ann.Phys.(New York) 230, 165 (1994)

J.Cseh, G.Levai

Semimicroscopic Algebraic Cluster Model of Light Nuclei. I. Two-Cluster-Systems with Spin-Isospin-Free Interactions

NUCLEAR STRUCTURE 16O; calculated levels, α-particle reduced widths, B(λ). 18O; calculated levels. 24Mg; analyzed level data. Algebraic cluster model, 12C+α, 12C+12C, 14C+α systems.

doi: 10.1006/aphy.1994.1024
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1993CS07      Phys.Rev. C48, 1724 (1993)

J.Cseh, G.Levai, W.Scheid

Algebraic 12C + 12C Cluster Model of the 24Mg Nucleus

NUCLEAR STRUCTURE 24Mg; calculated levels, B(λ). Algebraic 12C+12C cluster model.

doi: 10.1103/PhysRevC.48.1724
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1992LE11      Phys.Rev. C46, 548 (1992)

G.Levai, J.Cseh, W.Scheid

Semimicroscopic Algebraic Study of the α-Cluster States of the 18O Nucleus

NUCLEAR STRUCTURE 18O; calculated levels, B(λ), molecular, cluster states. Semi-algebraic cluster model, 14C+α system.

doi: 10.1103/PhysRevC.46.548
Citations: PlumX Metrics

1991CS01      Phys.Rev. C43, 165 (1991)

J.Cseh, G.Levai, K.Kato

Cluster Spectroscopic Factor in the Vibron Model

NUCLEAR STRUCTURE 20Ne, 16O; calculated levels, α-spectroscopic factors. Vibron model, α-clustering.

doi: 10.1103/PhysRevC.43.165
Citations: PlumX Metrics

1991LE07      Phys.Rev. C44, 152 (1991)

G.Levai, J.Cseh

Algebraic Approach to Cluster States in Odd-Mass Nuclei. I. Energy Spectrum

NUCLEAR STRUCTURE 19F; calculated levels; deduced α-cluster states symmetry. Vibron model U(3) limit extension.

doi: 10.1103/PhysRevC.44.152
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1991LE08      Phys.Rev. C44, 166 (1991)

G.Levai, J.Cseh

Algebraic Approach to Cluster States in Odd-Mass Nuclei. II. Electromagnetic and Other Properties

NUCLEAR STRUCTURE 19F; calculated levels, B(λ), spectroscopic factors. Vibron-fermion model, cluster states.

doi: 10.1103/PhysRevC.44.166
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1988CS01      Phys.Rev. C38, 972 (1988)

J.Cseh, G.Levai

Core-Plus-Alpha-Particle States of 20Ne and 16O in Terms of Vibron Models

NUCLEAR STRUCTURE 20Ne, 16O; calculated alpha cluster states, resonances. Algebraic cluster models.

doi: 10.1103/PhysRevC.38.972
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1988LE05      J.Phys.(London) G14, 467 (1988)

G.Levai, J.Cseh

Distribution of Alpha-Particle Strength in Light Nuclei

NUCLEAR STRUCTURE 12,13C, 15N, 16,18O, 19F, 20,22Ne, 24,26Mg, 40Ca; calculated α-particle strength distribution.

NUCLEAR REACTIONS 12,13C, 15N, 16,18O, 19F, 20,22Ne, 24,26Mg, 40Ca(α, α), E not given; calculated resonances, Γ. Optical model.

doi: 10.1088/0305-4616/14/4/009
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1987LE29      ATOMKI Kozlem. 29, 71 (1987)

G.Levai, J.Cseh

Parameters of Resonances in Elastic Alpha-Scattering

NUCLEAR REACTIONS 12C(α, α), E(cm)=2.491-19.2 MeV; 13C(α, α), E(cm)=1.59-4.34 MeV; analyzed, compiled data.

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