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Search: Author = K.Varga

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2004LO12      Acta Phys.Hung.N.S. 19, 305 (2004)

R.G.Lovas, K.Varga, Y.Suzuki

Description of Nuclei in Terms of Their Substructures

NUCLEAR STRUCTURE 6,11Li; calculated binding energies, radii, quadrupole moments, μ. Cluster models.

NUCLEAR REACTIONS 12C(11Li, X), E=800 MeV/nucleon; calculated reaction σ.

doi: 10.1556/APH.19.2004.3-4.27
Citations: PlumX Metrics


2002PI19      Phys.Rev. C66, 044310 (2002)

S.C.Pieper, K.Varga, R.B.Wiringa

Quantum Monte Carlo calculations of A = 9, 10 nuclei

NUCLEAR STRUCTURE 9Li, 9,10Be, 10B; calculated ground and excited states energies, radii, μ. Quantum Monte Carlo approach, comparison with data.

doi: 10.1103/PhysRevC.66.044310
Citations: PlumX Metrics


2002SU11      Nucl.Phys. A706, 123 (2002)

Y.Suzuki, M.Takahashi, R.G.Lovas, K.Varga

Cluster Correlations, Clustering and Halo Structure

NUCLEAR STRUCTURE 3H, 4He, 6Li, 12C, 16O; calculated binding energies. 6He, 8Be; calculated pair correlation functions. 4,6He; calculated particle densities. Comparison of correlated and uncorrelated bases.

doi: 10.1016/S0375-9474(02)00864-3
Citations: PlumX Metrics


2002SU30      Prog.Theor.Phys.(Kyoto), Suppl. 146, 413 (2002)

Y.Suzuki, R.G.Lovas, K.Varga

Study of Light Exotic Nuclei with a Stochastic Variational Method - Application to Lithium Isotopes -

NUCLEAR STRUCTURE 7,8,9,10,11Li; calculated level energies, configurations, μ, quadrupole moments. Extended cluster model, comparison with data.

doi: 10.1143/PTPS.146.413
Citations: PlumX Metrics


2002VA17      Phys.Rev. C66, 034611 (2002)

K.Varga, S.C.Pieper, Y.Suzuki, R.B.Wiringa

Monte Carlo Integration in Glauber Model Analysis of Reactions of Halo Nuclei

NUCLEAR REACTIONS 4,6He, 6Li, 12C(p, X), 4He(α, X), 12C(6He, X), (6Li, X), (12C, X), E ≈ 0.7 GeV/nucleon; calculated reaction σ. 4He(α, α), E at 5.07 GeV/c; 4,6He, 6Li(p, p), E=0.7 GeV; 12C(p, p), (α, α), (6He, 6He), (12C, 12C), E=0.8 GeV/nucleon; calculated σ(θ). Glauber model, Monte Carlo integration, comparisons with data.

doi: 10.1103/PhysRevC.66.034611
Citations: PlumX Metrics


2002VA19      Phys.Rev. C66, 041302 (2002)

K.Varga, Y.Suzuki, R.G.Lovas

Microscopic multicluster model of 9, 10, 11Li

NUCLEAR STRUCTURE 9,10,11Li; calculated energies, radii, wave functions. 9,11Li calculated μ, quadrupole moments. Microscopic cluster model.

doi: 10.1103/PhysRevC.66.041302
Citations: PlumX Metrics


2001AR22      Prog.Theor.Phys.(Kyoto), Suppl. 142, 97 (2001)

K.Arai, Y.Ogawa, Y.Suzuki, K.Varga

Microscopic Multicluster Description of Light Exotic Nuclei with Stochastic Variational Method on Correlated Gaussians

NUCLEAR STRUCTURE 6,8He, 6Li; calculated ground-state energies, matter density distributions, two-neutron removal amplitudes. 7Be, 7,8,9Li, 8B, 9C; calculated radii, μ, quadrupole moments, density distributions. 9,10Be, 9B calculated levels, J, π. 8,9Be, 9B; calculated resonance energies, widths. Microscopic multicluster model, comparisons with data.

NUCLEAR REACTIONS 6He(p, p), E=717 MeV; calculated σ(θ). Microscopic multicluster model, comparisons with data.

doi: 10.1143/PTPS.142.97
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
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2001KR10      Phys.Rev. C63, 064301 (2001)

A.T.Kruppa, K.Varga, J.Revai

Local Realizations of Contact Interactions in Two- and Three-Body Problems

NUCLEAR STRUCTURE 2H; calculated binding energy. 11Li; calculated two-neutron separation energy. Two-body contact interactions.

doi: 10.1103/PhysRevC.63.064301
Citations: PlumX Metrics


2001VA12      Nucl.Phys. A684, 209c (2001)

K.Varga

Review of the Recent Applications of the Stochastic Variational Method

doi: 10.1016/S0375-9474(01)00416-X
Citations: PlumX Metrics


2001WA12      Nucl.Phys. A684, 284c (2001)

R.F.Wagenbrunn, L.Ya.Glozman, W.Plessas, K.Varga

Extended Goldstone-Boson-Exchange Chiral Quark Model

doi: 10.1016/S0375-9474(01)00422-5
Citations: PlumX Metrics


2000GL01      Phys.Rev. D61, 074008 (2000)

L.Ya.Glozman, K.Varga

Is There Diquark Clustering in the Nucleon ?

doi: 10.1103/PhysRevD.61.074008
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2000OG03      Nucl.Phys. A673, 122 (2000)

Y.Ogawa, K.Arai, Y.Suzuki, K.Varga

Microscopic Four-Cluster Description of 10Be and 10C with the Stochastic Variational Method

NUCLEAR STRUCTURE 10Be; calculated levels, J, π, spectroscopic factors. 10Be, 10C; calculated transition strengths. 8,9,10Be, 10C; calculated radii, density distributions. Microscopic four-cluster model.

doi: 10.1016/S0375-9474(00)00133-0
Citations: PlumX Metrics


2000WA08      Nucl.Phys. A666-667, 29c (2000)

R.F.Wagenbrunn, L.Ya.Glozman, W.Plessas, K.Varga

Extension of the GBE Chiral Constituent Quark Model

doi: 10.1016/S0375-9474(00)00006-3
Citations: PlumX Metrics


2000WA11      Nucl.Phys. A663-664, 703c (2000)

R.F.Wagenbrunn, L.Ya.Glozman, W.Plessas, K.Varga

Extended Goldstone-Boson-Exchange Constituent Quark Model

doi: 10.1016/S0375-9474(99)00726-5
Citations: PlumX Metrics


1999FU03      Phys.Rev. C59, 817 (1999)

K.Fujimura, D.Baye, P.Descouvemont, Y.Suzuki, K.Varga

Low-Energy α + 6He Elastic Scattering with the Resonating-Group Method

NUCLEAR REACTIONS 6He(α, α), E(cm) < 15 MeV; calculated σ, phase shifts; deduced molecular states. Resonating-group method.

doi: 10.1103/PhysRevC.59.817
Citations: PlumX Metrics


1999TA07      Phys.Rev. C59, 1391 (1999)

N.Tanaka, Y.Suzuki, K.Varga, R.G.Lovas

Unbound States by Analytic Continuation in the Coupling Constant

NUCLEAR STRUCTURE 5He, 5Li, 8,9Be, 9B; calculated unbound states E, Γ. Analytic continuation in the coupling constant, comparison with complex scaling method.

doi: 10.1103/PhysRevC.59.1391
Citations: PlumX Metrics


1998GL04      Nucl.Phys. A631, 469c (1998)

L.Ya.Glozman, W.Plessas, K.Varga, R.F.Wagenbrunn

Light and Strange Baryons in a Chiral Quark Model with Goldstone-Boson-Exchange Interactions

doi: 10.1016/S0375-9474(98)00049-9
Citations: PlumX Metrics


1998GL05      Phys.Rev. C57, 3406 (1998); Comments Phys.Rev. C61, 019803 (1999)

L.Ya.Glozman, Z.Papp, W.Plessas, K.Varga, R.F.Wagenbrunn

Effective Q-Q Interactions in Constituent Quark Models

doi: 10.1103/PhysRevC.57.3406
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1998LO10      Phys.Rep. 294, 265 (1998)

R.G.Lovas, R.J.Liotta, A.Insolia, K.Varga, D.S.Delion

Microscopic Theory of Cluster Radioactivity

doi: 10.1016/S0370-1573(97)00049-5
Citations: PlumX Metrics


1998RY03      J.Phys.(London) B31, 3965 (1998)

G.G.Ryzhikh, J.Mitroy, K.Varga

The Structure of Exotic Atoms Containing Positrons and Positronium

ATOMIC PHYSICS Li, Be, Na, Mg; calculated positronic atoms positron probability densities.

doi: 10.1088/0953-4075/31/17/019
Citations: PlumX Metrics


1998SU08      Nucl.Phys. A631, 91c (1998)

Y.Suzuki, K.Varga, J.Usukura

Stochastic Variational Methods in Few-Body Systems

doi: 10.1016/S0375-9474(98)00017-7
Citations: PlumX Metrics


1998SU18      J.Phys.(London) G24, 1491 (1998)

Y.Suzuki, N.Tanaka, K.Varga

Stochastic Variational Method for Light Unstable Nuclei

NUCLEAR STRUCTURE 7Be, 7,8,9Li, 8B, 9C; calculated level energies, μ, Q, radii, resonance E, Γ. Stochastic variational model.

doi: 10.1088/0954-3899/24/8/024
Citations: PlumX Metrics


1997GL04      Nucl.Phys. A623, 90c (1997)

L.Ya.Glozman, Z.Papp, W.Plessas, K.Varga, R.F.Wagenbrunn

Light and Strange Baryons in a Chiral Constituent-Quark Model

doi: 10.1016/S0375-9474(97)00426-0
Citations: PlumX Metrics


1997LO15      Nuovo Cim. 110A, 907 (1997)

R.G.Lovas, K.Arai, Y.Suzuki, K.Varga

Numerically Exact Description of Multicluster Bound States

NUCLEAR STRUCTURE 6He; calculated binding energy, separation energy, radii. Cluster model.

doi: 10.1007/BF03035925
Citations: PlumX Metrics


1997TA12      Phys.Rev. C56, 562 (1997)

N.Tanaka, Y.Suzuki, K.Varga

Exploration of Resonances by Analytic Continuation in the Coupling Coupling Constant

NUCLEAR STRUCTURE 6He, 6Li; calculated resonances E, Γ. Halo nuclei, three-body model, analytic continuation in coupling constant method.

doi: 10.1103/PhysRevC.56.562
Citations: PlumX Metrics


1997VA05      Nucl.Phys. A616, 383c (1997)

K.Varga, Y.Suzuki, K.Arai, Y.Ogawa

Microscopic Description of Light Unstable Nuclei with the Stochastic Variational Method

NUCLEAR STRUCTURE 9Be; calculated levels, Γ, matter, nucleon radii, μ, quadrupole moment, interaction σ, B(λ). 9B; calculated levels, Γ. 6He, 7Li; calculated energies, rms radii. 6He, 7,8,9Li, 7Be, 8B, 9C, 9Be; calculated matter, nucleon radii vs occupation probability. 3,4,6He, 8Be, 16O; calculated binding energies. Microscopic multi-cluster model, stochastic variational method.

doi: 10.1016/S0375-9474(97)00105-X
Citations: PlumX Metrics


1997VA12      Phys.Lett. 396B, 1 (1997)

K.Varga, Y.Ohbayasi, Y.Suzuki

Stochastic Variational Method with Noncentral Forces

NUCLEAR STRUCTURE 3H; calculated binding energy, rms radius. 4He; calculated binding energy, rms radius, D-state probability. Stochastic variational method with noncentral forces.

doi: 10.1016/S0370-2693(97)00085-3
Citations: PlumX Metrics


1996AR05      Phys.Rev. C54, 132 (1996)

K.Arai, Y.Ogawa, Y.Suzuki, K.Varga

Structure of the Mirror Nuclei 9Be and 9B in a Microscopic Cluster Model

NUCLEAR STRUCTURE 9Be; calculated levels, Γ, nucleon, matter radii, quadrupole moment, B(λ), μ, form factors, nucleon monopole, quadrupole density distributions. 9B calculated levels, Γ. Microscopic three-cluster model.

RADIOACTIVITY 9Li(β-); calculated β-decay log ft. Microscopic three-cluster model.

doi: 10.1103/PhysRevC.54.132
Citations: PlumX Metrics


1996SU11      Phys.Rev. C54, 2073 (1996)

Y.Suzuki, K.Arai, Y.Ogawa, K.Varga

Occupation Probability of Harmonic-Oscillator Quanta for Microscopic Cluster-Model Wave Functions

NUCLEAR STRUCTURE 6He, 6,9Li, 9Be, 12C; caluclated harmonic oscillator quanta occupation probability; deduced possibility of quantifying excitation across major shell for different models. Microscopic cluster model.

doi: 10.1103/PhysRevC.54.2073
Citations: PlumX Metrics


1995AR10      Phys.Rev. C51, 2488 (1995)

K.Arai, Y.Suzuki, K.Varga

Neutron-Proton Halo Structure of the 3.563-MeV 0+ State in 6Li

NUCLEAR STRUCTURE 6Li, 6He; calculated α+N+N threshold energy, pointlike p, n rms radii, matter, neutron, proton density distributions. Microscopic three-cluster model.

NUCLEAR REACTIONS 6Li(e, e), (e, e'), E not given; calculated charge, M1 form factor. Microscopic three-cluster model.

doi: 10.1103/PhysRevC.51.2488
Citations: PlumX Metrics


1995SU13      Nucl.Phys. A588, 15c (1995)

Y.Suzuki, K.Arai, Y.Ohbayasi, K.Varga

Study of Halo Structure in Light Nuclei with a Multicluster Model

NUCLEAR STRUCTURE 6,8He; calculated proton, neutron density. 6He, 6Li; calculated matter density distribution. 8B; calculated one-proton spectroscopic amplitude; deduced four-nucleon halo structure in mass=8 nuclei. Multi-cluster model.

RADIOACTIVITY 6He(β-); calculated β-decay transition probability. Multi-cluster model.

NUCLEAR REACTIONS 12C(6He, α), (8He, 6He), E not given; calculated ejectile momentum distribution. Multi-cluster model.

doi: 10.1016/0375-9474(95)00093-G
Citations: PlumX Metrics


1995VA18      Nucl.Phys. A588, 157c (1995)

K.Varga, Y.Suzuki, I.Tanihata

Microscopic Multicluster Description of the 7Li - 7Be, 8Li - 8B and 9Li - 9C Mirror Nuclei

NUCLEAR STRUCTURE 7,8,9Li, 7Be, 8B, 9C; calculated separation energies. 9Li; calculated two-neutron removal amplitude, matter, nucleon radii, density distributions quadrupole, magnetic moments. 9C; calculated matter, nucleon radii, density distributions, quadrupole, magnetic moments. Microscopic multi-cluster model.

doi: 10.1016/0375-9474(95)00116-I
Citations: PlumX Metrics


1995VA30      Phys.Rev. C52, 2885 (1995)

K.Varga, Y.Suzuki

Precise Solution of Few-Body Problems with the Stochastic Variational Method on a Correlated Gaussian Basis

NUCLEAR STRUCTURE 3H, 4,6He, 7,6Li; A=2; calculated energies, rms radii. Precise solution, stochastic variational method, correlated Gaussian basis.

doi: 10.1103/PhysRevC.52.2885
Citations: PlumX Metrics


1995VA31      Phys.Rev. C52, 3013 (1995)

K.Varga, Y.Suzuki, I.Tanihata

Microscopic Four-Cluster Description of the Mirror Nuclei 9Li and 9C

NUCLEAR STRUCTURE 9Li, 9C; calculated energies, p-, n-, matter radii, quadrupole moments, μ, nucleon density distributions.

doi: 10.1103/PhysRevC.52.3013
Citations: PlumX Metrics


1994VA07      Nucl.Phys. A571, 447 (1994)

K.Varga, Y.Suzuki, R.G.Lovas

Microscopic Multicluster Description of Neutron-Halo Nuclei with a Stochastic Variational Method

NUCLEAR STRUCTURE 8,6He; calculated energy, rms radius; deduced models dependence convergence. Halo nuclei, microscopic multi-cluster description, stochastic variational method.

doi: 10.1016/0375-9474(94)90221-6
Citations: PlumX Metrics


1994VA16      Phys.Rev. C50, 189 (1994)

K.Varga, Y.Suzuki, Y.Ohbayasi

Microscopic Multicluster Description of the Neutron-Rich Helium Isotopes

NUCLEAR STRUCTURE 4,6,8He; calculated ground state energies, matter, proton, neutron rms radii. 6,8He; calculated proton, neutron density distribution, two-nucleon removal spectroscopic amplitudes. Microscopic three-, five-body model.

doi: 10.1103/PhysRevC.50.189
Citations: PlumX Metrics


1994VA21      Phys.Rev. C50, R1292 (1994)

K.Varga, R.J.Liotta

Shell Model on a Random Gaussian Basis

NUCLEAR STRUCTURE 212Po; calculated energy convergence vs basis dimension, α-decay width. Random Gaussian basis, shell model.

doi: 10.1103/PhysRevC.50.R1292
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1994VA31      Z.Phys. A349, 345 (1994)

K.Varga, R.G.Lovas, R.J.Liotta

Absolute Alpha-Decay Width of 212Po in an Mixed Shell-and-Cluster Model

RADIOACTIVITY 212Po(α); calculated absolute α-decay width. Shell plus α-cluster models.

doi: 10.1007/BF01288990
Citations: PlumX Metrics


1994VA32      Z.Phys. A349, 347 (1994)

K.Varga, R.G.Lovas, Y.Suzuki

Microscopic Multicluster Description of Neutron Halos

NUCLEAR STRUCTURE 6,8He; calculated energies, rms radii. Microscopic, multi-cluster approach, different model spaces.

doi: 10.1007/BF01288991
Citations: PlumX Metrics


1993VA07      Phys.Rev. C48, 602 (1993)

K.Varga, J.Cseh

Relation between the Phenomenological Interactions of the Algebraic Cluster Model and the Effective Two-Nucleon Forces

NUCLEAR STRUCTURE 20Ne; calculated levels; deduced cluster model interactions relation to effective NN-force. Cluster (16O+α) model.

doi: 10.1103/PhysRevC.48.602
Citations: PlumX Metrics


1992VA09      Phys.Rev.Lett. 69, 37 (1992)

K.Varga, R.G.Lovas, R.J.Liotta

Absolute Alpha Decay Width of 212Po in a Combined Shell and Cluster Model

RADIOACTIVITY 212Po(α); calculated α-decay width. Combined shell, cluster models.

doi: 10.1103/PhysRevLett.69.37
Citations: PlumX Metrics


1992VA15      Nucl.Phys. A550, 421 (1992)

K.Varga, R.G.Lovas, R.J.Liotta

Cluster-Configuration Shell Model for Alpha Decay

NUCLEAR STRUCTURE 212Po; calculated cluster states, transition to 208Pb ground state by α-emission. One-, two-nucleon plus 208Pb systems also studied. Shell, cluster models, linear variational approach, R-matrix description of decay.

doi: 10.1016/0375-9474(92)90017-E
Citations: PlumX Metrics


1991VA01      Phys.Rev. C43, 1201 (1991)

K.Varga, R.G.Lovas

Signature of Cluster Substructure: α + d spectroscopic factor of 6Li

NUCLEAR STRUCTURE 6Li; calculated (α+d) spectroscopic factors, relative momentum distribution. Three-Particle model.

doi: 10.1103/PhysRevC.43.1201
Citations: PlumX Metrics


1988VA18      Phys.Rev. C37, 2906 (1988)

K.Varga, R.G.Lovas

Eigenvalue Problem of the Resonating-Group Norm Operator with Mixed Cluster States

NUCLEAR STRUCTURE 6Li; calculated ground state wave function; deduced configuration mixing role. Cluster states, resonating group norm operator.

doi: 10.1103/PhysRevC.37.2906
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