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NSR database version of March 21, 2024.

Search: Author = J.M.Gomez

Found 26 matches.

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2017MU02      Phys.Rev. C 95, 014317 (2017)

L.Munoz, R.A.Molina, J.M.G.Gomez, A.Heusler

Examination of experimental evidence of chaos in the bound states of 208Pb

NUCLEAR STRUCTURE 208Pb; analyzed spectral fluctuations from the recently identified complete set of 151 levels below 6.2 MeV in 208Pb with Jπ assignment with fits to Poisson and Brody distributions; deduced much stronger residual interaction for natural-parity states than that for unnatural-parity states. Comparison with predictions of Random matrix theory (RMT).

doi: 10.1103/PhysRevC.95.014317
Citations: PlumX Metrics


2004GO30      Phys.Rev. C 69, 057302 (2004)

J.M.G.Gomez, K.Kar, V.K.B.Kota, R.A.Molina, J.Retamosa

Number of principal components and localization length in E2 and M1 transition strengths in 46V

NUCLEAR STRUCTURE 46V; calculated E2 and M1 transition strengths, number of principal components. Embedded Gaussian orthogonal random matrix ensemble.

doi: 10.1103/PhysRevC.69.057302
Citations: PlumX Metrics


2003GO16      Phys.Lett. B 567, 251 (2003)

J.M.G.Gomez, K.Kar, V.K.B.Kota, R.A.Molina, J.Retamosa

Localization in 2p1f nuclear shell-model wavefunctions

NUCLEAR STRUCTURE 48,50,52Ca, 46,48,50Sc, 46Ti; calculated localization lengths for shell-model wavefunctions; deduced isospin dependence in onset of nuclear chaos. Embedded Gaussian orthogonal ensemble.

doi: 10.1016/j.physletb.2003.06.041
Citations: PlumX Metrics


2001GO37      Phys.Rev. C64, 034305 (2001)

J.M.G.Gomez, K.Kar, V.K.B.Kota, J.Retamosa, R.Sahu

Transition Strengths and Quantum Chaos in Large Shell-Model Spaces

NUCLEAR STRUCTURE 36Ne, 36Na, 36Mg, 46Ti, 48,52Sc; calculated E2, M1, and Gamow-Teller transition strength sums vs excitation energy. Shell model, comparison with embedded Gaussian orthogonal ensemble predictions.

doi: 10.1103/PhysRevC.64.034305
Citations: PlumX Metrics


2001MO01      Phys.Rev. C63, 014311 (2001)

R.A.Molina, J.M.G.Gomez, J.Retamosa

Energy and Isospin Dependence of Nuclear Chaos

NUCLEAR STRUCTURE 46,48,50,52Ca, 46,48,50,52Sc, 46Ti; calculated level spacing distributions; deduced isospin dependence for nuclear chaoticity. Shell model.

doi: 10.1103/PhysRevC.63.014311
Citations: PlumX Metrics


2000GO14      Phys.Lett. 480B, 245 (2000)

J.M.G.Gomez, K.Kar, V.R.Manfredi, R.A.Molina, J.Retamosa

Statistical Theory versus Shell Model in a Large pf Configuration Space

NUCLEAR STRUCTURE 46V, 50Sc; calculated transition strength distributions. Comparison of shell model, statistical model.

doi: 10.1016/S0370-2693(00)00414-7
Citations: PlumX Metrics


1999KO48      Phys.Rev. C60, 051306 (1999)

V.K.B.Kota, R.Sahu, K.Kar, J.M.G.Gomez, J.Retamosa

Transition Strength Sums and Quantum Chaos

doi: 10.1103/PhysRevC.60.051306
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1998CH19      Phys.Rev. C58, 597 (1998)

S.Choubey, K.Kar, J.M.G.Gomez, V.R.Manfredi

Spectral Distribution Studies with a Modified Kuo-Brown Interaction in the Upper Half of the fp Shell

NUCLEAR STRUCTURE Z=26-36; calculated binding energies, GT sum rule strengths. Spectral distribution method, modified Kuo-Brown interaction.

doi: 10.1103/PhysRevC.58.597
Citations: PlumX Metrics


1998GO21      Phys.Rev. C58, 2108 (1998)

J.M.G.Gomez, V.R.Manfredi, L.Salasnich, E.Caurier

Spectral Statistics of Calcium Isotopes from Realistic Shell-Model Calculations

NUCLEAR STRUCTURE 44,45,46,47,48,49,50Ca; calculated level spacing distributions; deduced parameters, order-to-chaos transition dependence on level spacings. Shell model calculations.

doi: 10.1103/PhysRevC.58.2108
Citations: PlumX Metrics


1997KA13      Phys.Rev. C55, 1260 (1997)

K.Kar, S.Sarkar, J.M.G.Gomez, V.R.Manfredi, L.Salasnich

Spectral Distribution Studies of fp Shell Nuclei with a Modified Kuo-Brown Interaction

NUCLEAR STRUCTURE 48Sc, 46Ti; calculated levels. A=46-56; Z=20-28; calculated binding energy. Spectral distribution method, Kuo-Brown interaction.

doi: 10.1103/PhysRevC.55.1260
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1996CA06      Phys.Lett. 365B, 7 (1996)

E.Caurier, J.M.G.Gomez, V.R.Manfredi, L.Salasnich

Quantum Chaos in A = 46-50 Atomic Nuclei

NUCLEAR STRUCTURE 46V, 46Ti, 46Sc, 46,48,50Ca; calculated low-lying states spectral statistics; deduced spherical nuclei chaotic characteristics. Realistic shell model.

doi: 10.1016/0370-2693(95)01323-7
Citations: PlumX Metrics


1993GO03      Nucl.Phys. A551, 451 (1993)

J.M.G.Gomez, J.C.Perez Cerdan, C.Prieto

Shell-Model Description of Nuclei with 4 ≤ A ≤ 16 Using Skyrme Forces

NUCLEAR STRUCTURE 5He, 6,7Li, 8,9Be, 10,11B, 12,13C, 14,15N, 16O; calculated levels, μ, electric quadrupole moments, charge radii. Shell model, 0p-active nuclei, Skyrme forces.

doi: 10.1016/0375-9474(93)90457-9
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1992GO16      Nucl.Phys. A549, 125 (1992)

J.M.G.Gomez, C.Prieto, J.Navarro

Improved Skyrme Forces for Hartree-Fock Seniority Calculations

NUCLEAR STRUCTURE 16O, 40,48Ca, 90Zr, 208Pb; calculated Hartree-Fock binding energies, proton radii. 41,42,43,44,45,46,47,48Ca; calculated neutron separation energies. Hartree-Fock seniority calculations, improved Skyrme forces.

doi: 10.1016/0375-9474(92)90070-Z
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1992GO17      Phys.Lett. 295B, 1 (1992)

J.M.G.Gomez, C.Prieto, A.Poves

Hartree-Fock Shell Model Structure of Li and Be Isotopes

NUCLEAR STRUCTURE 6,7,8,9,10,11Li, 7,8,9,10,11,12,13,14Be; calculated binding energy, one-, two-neutron separation energy, rms matter radii. 10Li, 13Be deduced neutron emission instability.

doi: 10.1016/0370-2693(92)90078-I
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1986GO05      Nucl.Phys. A452, 462 (1986)

J.M.G.Gomez, C.Prieto

The Hartree-Fock Seniority Approximation

NUCLEAR STRUCTURE 40,42,43,44,45,46,47,48Ca; calculated neutron separation energies, gap parameter.

doi: 10.1016/0375-9474(86)90209-5
Citations: PlumX Metrics


1985CA06      Phys.Lett. 152B, 6 (1985)

M.Casas, J.Martorell, J.M.G.Gomez

Giant Isovector Monopole Resonances and the Symmetry Energy of Nuclear Matter

NUCLEAR STRUCTURE 16O, 40,48Ca, 208Pb; calculated isovector monopole resonances. 208Pb; calculated transition densities; deduced resonance, nuclear matter symmetry energies correlation. RPA sum rules, Skyrme interaction.

doi: 10.1016/0370-2693(85)91128-1
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1983GO23      Nucl.Phys. A410, 475 (1983)

J.M.G.Gomez, J.Martorell

A Study of the Dependence of Coulomb-Energy Shifts on the Symmetry Energy of Density-Dependent Effective Interactions

NUCLEAR REACTIONS 208Pb(γ, X), E not given; calculated photoabsorption σ. Hartree-Fock theory, density-dependent effective interactions.

NUCLEAR STRUCTURE 16O, 40,48Ca, 90Zr, 208Pb; calculated binding energies, proton, neutron rms radii. 48Ca, 124Sn, 208Pb; calculated proton densities. 40Ca, 208Pb; calculated neutron densities. 208Pb; calculated single particle spectra. 106,108,110,112,114,116,118,120,122,124,126,128Sn; calculated binding energies per nucleon. 17,15O, 15N, 17F, 39,41Ca, 39K, 41Sc; calculated Coulomb energy shifts. 15N, 17O, 39K, 41,48Ca, 90Zr, 208Pb; calculated direct Coulomb shifts. Hartree-Fock theory, density-dependent effective interactions.

doi: 10.1016/0375-9474(83)90639-5
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1982NA01      Nucl.Phys. A375, 361 (1982)

J.Navarro, J.Bernabeu, J.M.G.Gomez, J.Martorell

Total Muon Capture Rates for N = Z Nuclei in the 1p Shell

NUCLEAR STRUCTURE 6Li, 10B, 12C, 14N, 16O; calculated levels, total muon capture rates. Sum rule techniques, Cohen-Kurath effective interactions.

doi: 10.1016/0375-9474(82)90019-7
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1982ZH01      Phys.Scr. 25, 522 (1982)

M.V.Zhukov, J.M.G.Gomez, J.Bang

A Model of Closed Shell Plus Two Particle Nuclei

NUCLEAR STRUCTURE 18O, 18F, 18Ne, 42Ca, 42Sc, 42Ti; calculated levels. Schrodinger equation, Pauli effect, structureless three-body system.

doi: 10.1088/0031-8949/25/4/006
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1978GO01      Z.Phys. A284, 183 (1978)

J.M.G.Gomez, A.Poves

Influence of 1p-2h Excitations in the 41Sc-41Ca Coulomb Energy Shift

NUCLEAR STRUCTURE 41Sc, 41Ca; calculated influence of 2p-2h core excitations in Coulomb energy shift.


1977PO16      Nucl.Phys. A293, 397 (1977)

A.Poves, A.L.Cedillo, J.M.G.Gomez

Configuration Mixing and the Coulomb Energy Anomaly

NUCLEAR STRUCTURE 41Sc, 39,44Ca, 39K, 17F, 17,15O, 15N; calculated Coulomb displacement energies.

doi: 10.1016/0375-9474(77)90106-3
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1976GO11      Phys.Lett. 62B, 25 (1976)

J.M.G.Gomez

A Test of Charge Dependent Forces in Nuclei

NUCLEAR STRUCTURE 41,42,43,44,45,46,47,48Ca, 42,49Sc, 50Ti, 51V, 52Cr, 53Mn, 54Fe; calculated Coulomb-energy shifts between analog states.

doi: 10.1016/0370-2693(76)90038-1
Citations: PlumX Metrics


1973CA32      Nucl.Phys. A215, 85 (1973)

F.Catara, J.M.G.Gomez

A Variational Determination of Few-Nucleon Substructures in Nuclei

NUCLEAR STRUCTURE 20Ne, 24Mg; calculated levels, J, π, level-width.

doi: 10.1016/0375-9474(73)90103-6
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1972GO24      Phys.Rev. C6, 149 (1972)

J.M.G.Gomez

Quadrupole Vibrations in the Nickel Region: Structure of Odd-Mass Co Isotopes

NUCLEAR STRUCTURE 57,59,61,63Co; calculated levels, B(E2), μ, quadrupole moment, γ-mixing. Unified model, quadrupole vibrations.

doi: 10.1103/PhysRevC.6.149
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1972WO26      Phys.Lett. 42B, 157 (1972)

S.K.M.Wong, J.M.G.Gomez, A.P.Zuker

A Truncation Scheme for Shell Model Spaces

NUCLEAR STRUCTURE 24Mg; calculated levels, B(E2), B(M1). Wave functions. Shell model;truncation scheme.

doi: 10.1016/0370-2693(72)90049-4
Citations: PlumX Metrics


1971GO17      Nucl.Phys. A173, 537 (1971)

J.M.G.Gomez

Quadrupole Vibrations in the Nickel Region: Structure of Odd-Mass Cu Isotopes

NUCLEAR STRUCTURE 59,61,63,65Cu; calculated levels, B(E2), B(M1), quadrupole moment, μ, γ-mixing, γ-branching. Proton coupling to quadrupole vibrator.

doi: 10.1016/0375-9474(71)90969-9
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