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NSR database version of April 26, 2024.

Search: Author = H.M.Sofia

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2012VI06      Prog.Theor.Phys.(Kyoto), Suppl. 196, 72 (2012)

A.Vitturi, H.M.Sofia

Two-Particle Transfer and Pairing Correlations: Interplay of Reaction Mechanism and Structure Properties

NUCLEAR STRUCTURE 16,18,22O, 206,208Pb; calculated local pair transition densities.

doi: 10.1143/PTPS.196.72
Citations: PlumX Metrics


2010DA07      Phys.Rev. C 81, 034610 (2010)

C.H.Dasso, E.G.Lanza, H.M.Sofia

Event generator to construct cross sections for the multiphonon excitation of a set of collective vibrational modes

NUCLEAR REACTIONS 208Pb(38Ar, X), E=40 MeV/nucleon; calculated total differential σ(θ) for excitation of vibrational modes as a function of excitation energy using event generator method.

doi: 10.1103/PhysRevC.81.034610
Citations: PlumX Metrics


2008DA07      Nucl.Phys. A801, 129 (2008)

C.H.Dasso, M.I.Gallardo, E.G.Lanza, H.M.Sofia

Relativistic nuclear excitation - A new approach

NUCLEAR REACTIONS 24O(40Ca, 40Ca'), E=500-2000 MeV/nucleon; calculated probability and σ(E) of GDR and double GDR excitation in projectile Coulomb excitation.

doi: 10.1016/j.nuclphysa.2007.12.013
Citations: PlumX Metrics


2008DU13      Phys.Rev. C 78, 014316 (2008)

G.G.Dussel, H.M.Sofia

Angular momentum decomposition of Richardson's pairs

NUCLEAR STRUCTURE 174Yb; calculated angular momenta distributions of Richardson's pairs, deformation pairs.

doi: 10.1103/PhysRevC.78.014316
Citations: PlumX Metrics


2006DA11      Phys.Rev. C 73, 034612 (2006)

C.H.Dasso, M.I.Gallardo, H.M.Sofia, A.Vitturi

Time-dependent aspects of the semiclassical approach in the analysis of heavy ion reactions

NUCLEAR REACTIONS 40Ca(208Pb, 208Pb'), E=50, 1000 MeV/nucleon; calculated time-dependent GDR excitation probability. Semiclassical approach.

doi: 10.1103/PhysRevC.73.034612
Citations: PlumX Metrics


2005DU21      Phys.Rev. C 72, 024302 (2005)

G.G.Dussel, H.M.Sofia

Meaning of S-D dominance

doi: 10.1103/PhysRevC.72.024302
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2004DA29      Phys.Rev. C 70, 044903 (2004)

C.H.Dasso, M.I.Gallardo, H.M.Sofia, A.Vitturi

Relativistic Coulomb excitation of the giant dipole resonance in nuclei: A straightforward approach

NUCLEAR REACTIONS 208Pb(40Ca, 40Ca'), E=500, 1000, 4000 MeV/nucleon; calculated probabilities for Coulomb excitation of GDR. Coupled-channels formalism.

doi: 10.1103/PhysRevC.70.044903
Citations: PlumX Metrics


2002FO08      Eur.Phys.J. A 14, 37 (2002)

L.Fortunato, W.von Oertzen, H.M.Sofia, A.Vitturi

Enhanced Excitation of Giant Pairing Vibrations in Heavy-Ion Reactions Induced by Weakly Bound Projectiles

NUCLEAR REACTIONS 116Sn, 208Pb(6He, α), E ≈ 40 MeV; 116Sn(14C, 12C), E=69 MeV; 208Pb(14C, 12C), E=95 MeV; calculated σ(E); deduced enhanced excitation of giant pairing vibrations.

doi: 10.1007/s10050-002-8787-0
Citations: PlumX Metrics


2001SE06      Nucl.Phys. A686, 241 (2001)

E.C.Seva, H.M.Sofia, A.Tonina

Temperature Antipairing Effect Over the Energy Weighted Sum Rule

NUCLEAR STRUCTURE 114Sn, 138Ba, 154Gd, 170Yb; calculated energy weighted sum rules, pair gaps vs temperature; deduced antipairing effect.

doi: 10.1016/S0375-9474(00)00570-4
Citations: PlumX Metrics


1997DA26      Nucl.Phys. A627, 349 (1997)

C.H.Dasso, H.M.Sofia, S.M.Lenzi, M.A.Nagarajan, A.Vitturi

Excitation of Isovector Modes in Very Neutron-Rich Nuclei Via Heavy-Ion Isoscalar Probes

NUCLEAR STRUCTURE 28O, 70Ca, 176Sn; calculated neutron, proton densities. 16,28O, 40,70Ca, 114,176Sn; calculated GDR, GQR transition densities. Collective model.

NUCLEAR REACTIONS 16,28O, 40,70Ca, 114,176Sn(16O, 16O'), E not given; calculated GDR excitation radial formfactors. 70Ca(16O, 16O'), E(cm)=200 MeV; 28O(α, α'), E(cm)=150 MeV; calculated GDR excitation σ(θ); deduced nuclear, Coulomb contributions.

doi: 10.1016/S0375-9474(97)00391-6
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1997DU06      Phys.Rev. C56, 804 (1997); Comment Phys.Rev. C59, 2952 (1999)

G.G.Dussel, H.M.Sofia, A.Tonina

Pairing Interaction and Galilei Invariance

NUCLEAR STRUCTURE 60Ni, 70,72Ge, 88Sr, 90,96Zr, 100,114,116,120,132Sn, 138Ba, 154Gd, 156Dy, 170Yb, 206,208Pb; calculated effective nucleon mass, energy-weighted sum rule; deduced mass dipole operator effect.

doi: 10.1103/PhysRevC.56.804
Citations: PlumX Metrics


1997LE35      Acta Phys.Hung.N.S. 6, 95 (1997)

S.M.Lenzi, C.H.Dasso, M.A.Nagarajan, H.M.Sofia, A.Vitturi

Effects of Neutron Skin on the Excitation of Isovector Modes of Neutron-Rich Nuclei


1997SE14      Phys.Rev. C56, 3107 (1997)

E.C.Seva, H.M.Sofia

Temperature Dependence and Fragmentation of the Particle-Hole Giant Resonances

NUCLEAR STRUCTURE 90Zr, 208Pb; calculated GDR spreading width vs temperature. Temperature-dependent RPA.

doi: 10.1103/PhysRevC.56.3107
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1996AL17      Nucl.Phys. A604, 53 (1996)

C.E.Alonso, J.M.Arias, H.M.Sofia, A.Vitturi

Cranking Approach to the Interacting Boson Model: The behaviour of the intrinsic state with angular momentum

NUCLEAR STRUCTURE 156Gd; calculated levels, moment of inertia. Self-consistent cranking formalism, interacting boson model basis.

doi: 10.1016/0375-9474(96)00121-2
Citations: PlumX Metrics


1995AL06      Nucl.Phys. A586, 100 (1995)

C.E.Alonso, J.M.Arias, A.Frank, H.M.Sofia, S.M.Lenzi, A.Vitturi

Description of Octupole-Deformed Nuclei within the Interacting Boson and Interacting Boson-Fermion Models

NUCLEAR STRUCTURE 226Ra; calculated levels; deduced in-band, intra-band transitions related features. Interacting boson-fermion model.

doi: 10.1016/0375-9474(94)00794-N
Citations: PlumX Metrics


1994AL24      Phys.Rev. C50, 1518 (1994)

F.Aldabe, G.G.Dussel, H.M.Sofia

Mean Field Description of the Ground State of Many Boson Systems Relevant to Nuclei

doi: 10.1103/PhysRevC.50.1518
Citations: PlumX Metrics


1994DU05      Phys.Rev. C49, 1989 (1994)

G.G.Dussel, E.C.Seva, H.M.Sofia

Analysis of the Spreading Width of the Particle-Hole Giant Resonances

doi: 10.1103/PhysRevC.49.1989
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1993SO03      J.Phys.(London) G19, L45 (1993)

H.M.Sofia, A.Vitturi

Coexistence of Normal and Superdeformed Shapes in an IBA Description of Nuclei

doi: 10.1088/0954-3899/19/3/003
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1990DU09      Phys.Rev. C42, 2093 (1990)

G.G.Dussel, H.Fortunato, H.M.Sofia

Green's Function Derivation of the Thermal Random Phase Approximation Equations in Open Shell Systems

NUCLEAR STRUCTURE 114Sn; calculated quadrupole operator matrix elements, sum rules. Thermal RPA, Green's function methods.

doi: 10.1103/PhysRevC.42.2093
Citations: PlumX Metrics


1989HU03      Phys.Rev. C39, 997 (1989)

H.Huck, A.Jech, G.Marti, M.L.Perez, J.J.Rossi, H.M.Sofia

Isomers in the 123Cd and 125Cd Decays and Level Schemes in 123In and 125In

RADIOACTIVITY 123,125Cd(β-) [from U(n, F)]; measured E(γ), I(γ), γγ-coin, T1/2. 123,125In deduced levels, J, π. Hyperpure Ge detectors, on-line mass separation.

doi: 10.1103/PhysRevC.39.997
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1989HU10      Phys.Rev. C40, 1384 (1989)

H.Huck, A.Jech, G.Marti, M.L.Perez, J.J.Rossi, H.M.Sofia

123Cd Level Scheme

RADIOACTIVITY 123Ag(β-); [from U(n, F)]; measured Eγ, Iγ, γγ(t), γγ-coin, T1/2. 123Cd deduced levels, J, π. On-line mass separated source. Hyperpure Ge detectors.

doi: 10.1103/PhysRevC.40.1384
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1986BE05      Nucl.Phys. A452, 531 (1986)

D.R.Bes, P.Curutchet, S.L.Reich, N.N.Scoccola, H.M.Sofia

Electromagnetic Decay of the Giant Quadrupole Resonances (II). Nuclear Structure Aspects

NUCLEAR STRUCTURE 208Pb; calculated giant resonance decay characteristics, B(λ), Γγ. Nuclear field theory approach.

doi: 10.1016/0375-9474(86)90213-7
Citations: PlumX Metrics


1985DU03      J.Phys.(London) G11, L91 (1985)

J.Dukelsky, G.G.Dussel, H.M.Sofia

HFB in a Restricted Space

NUCLEAR STRUCTURE 176Yb; calculated occupation probabilities, pairing strengths, neutron, proton quadrupole moments. HFB, restricted basis.

doi: 10.1088/0305-4616/11/6/002
Citations: PlumX Metrics


1984PI12      Phys.Lett. 144B, 145 (1984)

S.Pittel, J.Dukelsky, R.P.J.Perazzo, H.M.Sofia

s-d-g Boson Model Description of the Collective K = 1+ Mode in Deformed Nuclei

NUCLEAR STRUCTURE A ≈ 160; calculated levels, band head energies, B(M1). Hartree-Bose, TDA, s-d-g boson model.

doi: 10.1016/0370-2693(84)91791-X
Citations: PlumX Metrics


1983DU05      Nucl.Phys. A401, 1 (1983)

G.G.Dussel, R.P.J.Perazzo, S.L.Reich, H.M.Sofia

The Moments of Strength Functions

NUCLEAR STRUCTURE 208Pb; calculated giant isovector M1 resonance spreading width second moment relationship, B(M1) fragmentation. TDA, RPA, Brillouin-Wigner perturbative expansion.

doi: 10.1016/0375-9474(83)90333-0
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1983DU06      Phys.Rev. C27, 2954 (1983)

J.Dukelsky, G.G.Dussel, H.M.Sofia

Two Correlated Quasiparticles States in the Principal Series Approximation

NUCLEAR STRUCTURE 104,106,108,110,112,114,116,118,120,122,124,126,128,130Sn; calculated 2+ level energies, squared matrix elements, EWSR for quadrupole, other transition operators. Principal series approximation.

doi: 10.1103/PhysRevC.27.2954
Citations: PlumX Metrics


1983DU11      Phys.Rev. C28, 2183 (1983)

J.Dukelsky, J.Fernandez Niello, H.M.Sofia, R.P.J.Perazzo

Evidence of g Bosons in the 218Ra Spectrum

NUCLEAR STRUCTURE 218Ra; calculated levels, B(E1)/B(E2) branching ratios. Interacting boson approximation, high-spin bosons.

doi: 10.1103/PhysRevC.28.2183
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1983MA55      Nucl.Phys. A407, 98 (1983)

M.A.J.Mariscotti, D.R.Bes, S.L.Reich, H.M.Sofia, P.Hungerford, S.A.Kerr, K.Schreckenbach, D.D.Warner, W.F.Davidson, W.Gelletly

Search for Two-Octupole-Phonon States in 208Pb

NUCLEAR REACTIONS 207Pb(n, γ), E=thermal; measured Eγ, Iγ, γγ-coin, I(ce). 208Pb deduced levels, tentative J, π, two-phonon octupole vibration evidence, B(λ) ratios, γ-branching. RPA formalism.

doi: 10.1016/0375-9474(83)90310-X
Citations: PlumX Metrics


1982BR01      Nucl.Phys. A375, 217 (1982)

R.A.Broglia, E.Maglione, H.M.Sofia, A.Vitturi

The Nucleus as a Condensate of Monopole and Quadrupole Pairing Vibrations

NUCLEAR STRUCTURE 78,80,82,84,86Kr, 146,148,150,152,154Sm; calculated levels, B(E2). Nuclear field theoretic, pair-aligned model.

doi: 10.1016/0375-9474(82)90410-9
Citations: PlumX Metrics


1982DU12      Phys.Lett. 115B, 359 (1982)

J.Dukelsky, P.Federman, R.P.J.Perazzo, H.M.Sofia

An Interacting Quartet-Boson Model

NUCLEAR STRUCTURE 168Er, 164Dy, 160Gd; calculated levels. Interacting quartet boson model.

doi: 10.1016/0370-2693(82)90517-2
Citations: PlumX Metrics


1982DU18      J.Phys.(London) G8, L191 (1982)

J.Dukelsky, G.G.Dussel, H.M.Sofia

Separable Interactions and Excited States in Open-Shell Nuclei

NUCLEAR STRUCTURE 114,120Sn; calculated RPA Hamiltonian matrix elements. Separable interactions.

doi: 10.1088/0305-4616/8/12/002
Citations: PlumX Metrics


1981DU11      Phys.Lett. 100B, 367 (1981)

J.Dukelsky, G.G.Dussel, H.M.Sofia

The Amplitudes of s and d Bosons in Deformed Nuclei

NUCLEAR STRUCTURE Sm, Gd, Dy, Er, Yb, Hf, W, Os, Pt; calculated angular momentum probability of boson condensate. Principal series approximation, interacting boson model.

doi: 10.1016/0370-2693(81)90138-6
Citations: PlumX Metrics


1981HU09      Phys.Rev. C24, 2227 (1981)

H.Huck, M.L.Perez, J.J.Rossi, H.M.Sofia

131Sn Decay

RADIOACTIVITY 131Sn [from 235U(n, F), E=thermal]; measured Eγ, Iγ, γγ-coin, T1/2; deduced β-branching. 131Sb deduced levels, γ-branching. Particle-core coupling model.

doi: 10.1103/PhysRevC.24.2227
Citations: PlumX Metrics


1980PE04      Nucl.Phys. A339, 23 (1980)

R.P.J.Perazzo, S.L.Reich, H.M.Sofia

Renormalization of Particle and Hole States in 208Pb

NUCLEAR STRUCTURE 208Pb; calculated core polarization effects, S. Perturbation theory, collective boson emission, absorption.

doi: 10.1016/0375-9474(80)90239-0
Citations: PlumX Metrics


1980VI03      Nucl.Phys. A340, 183 (1980)

A.Vitturi, L.Ferreira, P.D.Kunz, H.M.Sofia, P.F.Bortignon, R.A.Broglia

Analysis of (6Li, d) and (d, 6Li) Reactions in the Nickel and Tin Regions

NUCLEAR REACTIONS 58Ni, 56Fe(6Li, d), 122Te(d, 6Li), E=34 MeV; calculated σ(θ). DWBA, macroscopic, microscopic form factors.

doi: 10.1016/0375-9474(80)90330-9
Citations: PlumX Metrics


1974RE10      Nucl.Phys. A233, 105 (1974)

S.Reich, H.M.Sofia, D.R.Bes

Properties of Single-Particle States in the 208Pb Region

NUCLEAR STRUCTURE 208Pb; calculated single particle states.

doi: 10.1016/0375-9474(74)90244-9
Citations: PlumX Metrics


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