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NSR database version of May 20, 2024.

Search: Author = C.H.Dasso

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2019AS08      Eur.Phys.J. A 55, 245 (2019)

M.Assie, C.H.Dasso, R.J.Liotta, A.O.Macchiavelli, A.Vitturi

The Giant Pairing Vibration in heavy nuclei

doi: 10.1140/epja/i2019-12829-8
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
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2009DA10      Phys.Rev. C 79, 064620 (2009)

C.H.Dasso, A.Vitturi

Role of the continuum in reactions with weakly bound systems: A comparative study between the time evolution of a break-up wave function and its coupled-channel approximation

doi: 10.1103/PhysRevC.79.064620
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
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2007DA20      Phys.Rev. C 75, 054611 (2007)

C.H.Dasso, M.I.Gallardo, M.Saraceno

Semiclassical calculation of heavy-ion scattering in the chaotic regime

doi: 10.1103/PhysRevC.75.054611
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2007DA27      Nucl.Phys. A787, 476c (2007)

C.H.Dasso, A.Vitturi

Heavy-ion reactions with weakly-bound systems: a simple model

doi: 10.1016/j.nuclphysa.2006.12.071
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2006DA01      Phys.Rev. C 73, 014907 (2006)

C.H.Dasso, M.Gallardo

Relativistic Coulomb excitation of the giant dipole resonance in nuclei: How to calculate transition probabilities without invoking the Lienard-Wiechert relativistic scalar and vector potentials

NUCLEAR REACTIONS 208Pb(40Ca, 40Ca'), E=500, 1000, 4000 MeV/nucleon; calculated probability of GDR and double GDR excitation in projectile Coulomb excitation.

doi: 10.1103/PhysRevC.73.014907
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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
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2006DA16      Phys.Rev. C 74, 014307 (2006)

C.H.Dasso, M.I.Gallardo

Macroscopic pairing vibrational model, self-consistent pairing coupling constant, and the fifth term of von Weizsacker's semiempirical formula

doi: 10.1103/PhysRevC.74.014307
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2005DA37      J.Phys.(London) G31, S1449 (2005)

C.H.Dasso, A.Vitturi

Low-energy nuclear reactions with weakly-bound systems

doi: 10.1088/0954-3899/31/10/012
Citations: PlumX Metrics

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
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2003DA16      Nucl.Phys. A724, 85 (2003)

C.H.Dasso, L.Fortunato, E.G.Lanza, A.Vitturi

On the excitation of double giant resonances in heavy ion reactions

NUCLEAR REACTIONS 208Pb(40Ar, 40Ar'), E=0-400 MeV; calculated excitation probabilities for single- and double-phonon giant resonances, nuclear and Coulomb contributions.

doi: 10.1016/S0375-9474(03)01479-9
Citations: PlumX Metrics

2003DA35      Phys.Rev. C 68, 054604 (2003)

C.H.Dasso, G.Pollarolo

Investigating the nucleus-nucleus potential at very short distances

NUCLEAR REACTIONS 89Y(60Ni, X), E(cm)=120-140; calculated fusion σ, dependence on nucleus-nucleus potential.

doi: 10.1103/PhysRevC.68.054604
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2001DA30      Eur.Phys.J. A 12, 279 (2001)

C.H.Dasso, H.Sofia, A.Vitturi

Prompt Emission of Dipole Radiation in Nuclear Reactions with Radioactive Beams

NUCLEAR REACTIONS 104Pd(36S, X), E=160 MeV; 100Mo(40Ca, X), E=170 MeV; 74Ge(32S, X), E=320 MeV; calculated pre-equilibrium and statistical dipole γ energy distribution following fusion or inelastic scattering.

doi: 10.1007/s100500170005
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2001NA14      Phys.Lett. 503B, 65 (2001)

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

Target-Mass Dependence of the Break-Up of Halo Nuclei

NUCLEAR REACTIONS 12C, 58Ni, 208Pb(19C, X), E=67 MeV/nucleon; calculated breakup σ, nuclear and Coulomb components vs impact parameter; deduced target mass dependence features.

doi: 10.1016/S0370-2693(01)00189-7
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2000HA14      Phys.Rev. C61, 037602 (2000)

K.Hagino, A.Vitturi, C.H.Dasso, S.M.Lenzi

Role of Breakup Processes in Fusion Enhancement of Drip-Line Nuclei at Energies Below the Coulomb Barrier

NUCLEAR REACTIONS 208Pb(11Be, X), E(cm)=30-50 MeV; calculated fusion σ; deduced breakup effects. Exact coupled-channels calculation.

doi: 10.1103/PhysRevC.61.037602
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1999DA02      Phys.Rev. C59, 539 (1999)

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

Projectile Breakup in the Reaction 11Be + 208Pb

NUCLEAR REACTIONS 208Pb(11Be, X), E=792 MeV; analyzed σ(E), B(E1) distributions; deduced role of weakly bound state, Coulomb vs nuclear effects.

doi: 10.1103/PhysRevC.59.539
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1998DA15      Nucl.Phys. A639, 635 (1998)

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

Dominance of Nuclear Processes in the Dissociation of 8B

NUCLEAR REACTIONS 208Pb(8B, p7Be), E=46 MeV/nucleon; 58Ni(8B, p7Be), E=25.3 MeV; calculated form factors, σ(b), σ(Ex, θ); deduced role of nuclear, Coulomb processes.

doi: 10.1016/S0375-9474(98)00420-5
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1997BO19      Phys.Rev. C56, 574 (1997)

P.F.Bortignon, C.H.Dasso

Anharmonic Effects in the Excitation of Double-Giant Dipole Modes in Relativistic Heavy-Ion Collisions

NUCLEAR REACTIONS 208Pb(208Pb, 208Pb'), E=640 MeV/nucleon; 208Pb(136Xe, 136Xe'), E=700 MeV/nucleon; calculated projectile double Coulomb GDR excitation probability vs anharmonicity.

NUCLEAR STRUCTURE 136Xe, 208Pb; calculated double GDR energy vs anharmonicity.

doi: 10.1103/PhysRevC.56.574
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1997CO16      Phys.Rev. C56, 938 (1997)

L.Corradi, A.M.Stefanini, J.H.He, S.Beghini, G.Montagnoli, F.Scarlassara, G.F.Segato, G.Pollarolo, C.H.Dasso

Evidence of Complex Degrees of Freedom in Multinucleon Transfer Reactions of 48Ca + 124Sn

NUCLEAR REACTIONS, ICPND 124Sn(48Ca, X), E=174 MeV; measured transfer product σ vs mass; deduced importance of pair, alpha transfer modes, reaction mechanism related features. Coupled-channel analysis.

doi: 10.1103/PhysRevC.56.938
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1997CO25      J.Phys.(London) G23, 1485 (1997)

L.Corradi, A.M.Stefanini, J.H.He, C.Lin, S.Beghini, G.Montagnoli, F.Scarlassara, G.F.Segato, G.Pollarolo, C.H.Dasso, A.Winther

Weakly Populated Multinucleon Transfer Channels Studied with a New Time-of-Flight Magnetic Spectrometer

NUCLEAR REACTIONS 124Sn(48Ca, X), E=170 MeV; 238U(64Ni, X), E=390 MeV; measured one-, two-, three-α transfer channels σ vs ejectile mass; deduced cluster transfer role. Tof magnetic spectrometer.

doi: 10.1088/0954-3899/23/10/040
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1997DA04      Phys.Rev. C55, 2112 (1997)

C.H.Dasso, J.Fernandez-Niello, A.Vitturi

Role of the γ Degree of Freedom in Sub-Barrier Fusion Phenomena and Effective Barrier Distributions

NUCLEAR REACTIONS, ICPND 194Pt, 192Os(40Ca, X), E(cm) ≈ 162-170 MeV; calculated fusion σ(E); deduced effective barriers quadrupole profile defined by β2, (γ) degrees of freedom.

doi: 10.1103/PhysRevC.55.2112
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1997DA21      J.Phys.(London) G23, 1203 (1997)


Distribution of Effective Fusion Barriers in CCFUS

NUCLEAR REACTIONS, ICPND 64Ni(58Ni, X), E(cm)=90-110 MeV; calculated fusion σ(E); deduced fusion barrier distribution, nuclear structure related features. CCFUS program calculations.

doi: 10.1088/0954-3899/23/10/007
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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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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

1996CA21      Nucl.Phys. A602, 181 (1996)

F.Catara, C.H.Dasso, A.Vitturi

Low-Lying Component in Strength Distributions of Weakly Bound Neutron-Rich Nuclei

doi: 10.1016/0375-9474(96)00112-1
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1996CO09      Phys.Rev. C54, 201 (1996)

L.Corradi, J.H.He, D.Ackermann, A.M.Stefanini, A.Pisent, S.Beghini, G.Montagnoli, F.Scarlassara, G.F.Segato, G.Pollarolo, C.H.Dasso, A.Winther

Multinucleon Transfer Reactions in 40Ca + 124Sn

NUCLEAR REACTIONS 124Sn(40Ca, X), E=170 MeV; measured transfer reaction σ(θ), energy loss distributions.

doi: 10.1103/PhysRevC.54.201
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1046.

1996DA03      Nucl.Phys. A597, 473 (1996)

C.H.Dasso, J.L.Guisado, S.M.Lenzi, A.Vitturi

Coulomb- and Nuclear-Induced Break-Up of Halo Nuclei at Bombarding Energies Around the Coulomb Barrier

NUCLEAR REACTIONS 208Pb(11Li, X), E(cm)=20-30 MeV; calculated projectile breakup, fusion probabilities vs E, partial σ vs impact parameter; deduced Coulomb, nuclear fields relative role in breakup.

doi: 10.1016/0375-9474(95)00459-9
Citations: PlumX Metrics

1996DA18      Nucl.Phys. A602, 77 (1996)

C.H.Dasso, G.Pollarolo, M.Saraceno

Regular and Chaotic Regimes in Coupled-Channel Calculations of Nuclear Scattering Processes

NUCLEAR REACTIONS 40Ca(28Si, X), E=60-180 MeV; calculated reaction channels excitation probabilities. Coupled-channels calculation, regular, chaotic regimes, other reactions studied.

doi: 10.1016/0375-9474(96)00117-0
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1996DA26      Phys.Rev. C54, 1217 (1996)

C.H.Dasso, R.J.Liotta, M.Lozano

Dynamic Effective Potential for α-Particle Bound and Quasibound States

NUCLEAR REACTIONS 208Pb(α, α), E=16-480 MeV; analyzed data; deduced average potential V0(E).

RADIOACTIVITY 212Po(α); calculated T1/2, penetration probability vs r(c). Dynamic effective potential.

doi: 10.1103/PhysRevC.54.1217
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1996DA30      Phys.Rev.Lett. 77, 3747 (1996)

C.H.Dasso, M.Gallardo, M.Saraceno

Selective Nuclear Transparency Induced by Chaotic Scattering

doi: 10.1103/PhysRevLett.77.3747
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1996DA36      Nucl.Phys. A611, 124 (1996)

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

Role of Nuclear Couplings in the Inelastic Excitation of Weakly Bound Neutron-Rich Nuclei

NUCLEAR REACTIONS 40Ca(40Ca, X), E(cm)=36, 51, 900 MeV; calculated dipole transitions σ(θ), angle integrated σ Q-value distributions. Inelastic excitations of weakly bound systems, nuclear couplings.

doi: 10.1016/S0375-9474(96)00300-4
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1995CH21      Nucl.Phys. A587, 390 (1995)

J.A.Christley, C.H.Dasso, S.M.Lenzi, M.A.Nagarajan, A.Vitturi

Ion-Ion Potential for Neutron-Rich Radioactive Beams

NUCLEAR STRUCTURE 16,25O, 40,48,70Ca, 114,176Sn; calculated neutron, proton Hartree-Fock densities.

NUCLEAR REACTIONS 25,16O(16O, 16O), 40,61Ca(40Ca, 40Ca), 114,176Sn(16O, 16O); calculated microscopic double-folding potentials vs inter-nuclear distance. 25O(16O, 16O), E(cm)=13 MeV; calculated elastic σ(θ) relative to Rutherford σ(θ). 25O(16O, X), E(cm) ≈ 7-11 MeV; calculated fusion σ(E). Hartree-Fock approach based ion-ion potentials.

doi: 10.1016/0375-9474(94)00827-A
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1995DA12      Nucl.Phys. A587, 339 (1995)

C.H.Dasso, M.Gallardo, M.Saraceno

Chaotic Motion at the Nuclear Coulomb Barrier; A quantal analysis

NUCLEAR REACTIONS 40Ca(40Ca, X), E not given; calculated ion-ion potential quasibound states energy vs internuclear distance, other aspects.

doi: 10.1016/0375-9474(94)00828-B
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1995DA22      Phys.Rev. C52, 2264 (1995)

C.H.Dasso, G.Pollarolo, A.Winther

Particle Evaporation following Multinucleon Transfer Processes with Radioactive Beams

NUCLEAR REACTIONS 208Pb(118Xe, X), (136Xe, X), (154Xe, X), E=700 MeV; calculated Po, Hg isotopes production σ. Multi-nucleon transfer followed by particle evaporation.

doi: 10.1103/PhysRevC.52.2264
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1994CO06      Phys.Rev. C49, R2875 (1994)

L.Corradi, A.M.Stefanini, D.Ackermann, S.Beghini, G.Montagnoli, C.Petrache, F.Scarlassara, C.H.Dasso, G.Pollarolo, A.Winther

Multinucleon Transfer Reactions in 32S + 208Pb Close to the Coulomb Barrier

NUCLEAR REACTIONS 208Pb(32S, X), (32S, 32S), E=173.4 MeV; measured elastic, transfer σ(E, θ); calculated σ(E, θ); deduced optical model parameters. DWBA, coupled channel methods.

doi: 10.1103/PhysRevC.49.R2875
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1994DA13      Phys.Rev. C50, R12 (1994)

C.H.Dasso, A.Vitturi

Does the Presence of 11Li Breakup Channels Reduce the Cross Section for Fusion Processes ( Question )

NUCLEAR REACTIONS, ICPND 208Pb(11Li, X), (9Li, X), E=20-30 MeV; calculated fusion σ(E); deduced 11Li breakup role.

doi: 10.1103/PhysRevC.50.R12
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1994DA30      Phys.Rev.Lett. 73, 1907 (1994)

C.H.Dasso, G.Pollarolo, A.Winther

Systematics of Isotope Production with Radioactive Beams

NUCLEAR REACTIONS 208Pb(118Xe, X), (136Xe, X), (154Xe, X), E=700 MeV; calculated Pt isotopes production σ vs neutron number. 208Pb(54Ca, X), E=180-240 MeV; calculated different Hg, Ta isotope production σ vs neutron number.

doi: 10.1103/PhysRevLett.73.1907
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1994SC26      Phys.Rev. C50, 2198 (1994)

C.Schlegel, P.von Neumann-Cosel, F.Neumeyer, A.Richter, S.Strauch, J.de Boer, C.H.Dasso, R.J.Peterson

Depopulation of 180mTa by Coulomb Excitation and Possible Astrophysical Consequences

NUCLEAR REACTIONS, ICPND Ta(32S, 32S'), (36S, 36S'), E=75-130 MeV; measured Eγ, Iγ following Coulomb excitation. Ta(32S, X), E ≈ 80-130 MeV; measured 180Ta production yield vs E, reaction mechanism. 180Ta deduced transition B(λ).

doi: 10.1103/PhysRevC.50.2198
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1993BA04      Phys.Lett. 299B, 11 (1993)

A.Badala, R.Barbera, A.Palmeri, G.S.Pappalardo, F.Riggi, G.Pollarolo, C.H.Dasso

16O Breakup on Al, Ni and Au Targets at 94 MeV/Nucleon

NUCLEAR REACTIONS 27Al, 58Ni, 197Au(16O, X), E=94 MeV/nucleon; measured projectile fragmentation, α-particle velocities; deduced evidence for saturation of mean energy transferred to projectile in collision.

doi: 10.1016/0370-2693(93)90876-J
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1993BO22      Phys.Rev. C48, 459 (1993)

J.P.Bondorf, C.H.Dasso, R.Donangelo, G.Pollarolo, H.Schulz, K.Sneppen

Deep Inelastic Collision followed by Disassembly in the Reaction 136Xe + 209Bi at E(lab)/A = 28.2 MeV

NUCLEAR REACTIONS 209Bi(136Xe, X), E=28.2 MeV/nucleon; calculated neutron, charged particle multiplicities. Highly dissipative process, independent colliding nuclei decay.

doi: 10.1103/PhysRevC.48.459
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1993DA15      Nucl.Phys. A563, 162 (1993)

C.H.Dasso, S.M.Lenzi, A.Vitturi, F.Zardi

Coulomb Excitation Patterns in Octupole-Deformed Nuclei

NUCLEAR REACTIONS 224Ra(208Pb, 208Pb'), E(cm)=500-900 MeV; calculated Coulomb excitation probability; deduced quadrupole, octupole deformation interplay role.

doi: 10.1016/0375-9474(93)90014-O
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1992AG02      Phys.Rev. C46, R45 (1992)

C.E.Aguiar, V.C.Barbosa, C.H.Dasso, R.Donangelo

Dynamical Hindrance to Neutron-Rich-Projectile-Induced Fusion

NUCLEAR REACTIONS 208Pb(70Fe, X), E ≈ 210-240 MeV; calculated fusion probability vs E; deduced dynamics inclusion after contact consequences.

doi: 10.1103/PhysRevC.46.R45
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1992BA32      Phys.Rev. C46, R42 (1992)

H.W.Barz, J.P.Bondorf, C.H.Dasso, R.Donangelo, G.Pollarolo, H.Schulz, K.Sneppen

Mechanism for Nuclear Disassembly of the Ar + Th and Pb + Au Systems at Intermediate Energies

NUCLEAR REACTIONS 232Th(40Ar, xn), E=27-77 MeV/nucleon; 197Au(208Pb, xn), E=29 MeV/nucleon; analyzed neutron multiplicity data; deduced collision process binary character.

doi: 10.1103/PhysRevC.46.R42
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1992BO17      Phys.Rev. C46, 374 (1992)

J.P.Bondorf, C.H.Dasso, G.Massari, G.Pollarolo

Probing Time Scales in Projectile Fragmentation Processes at Intermediate Energies

NUCLEAR REACTIONS 197Au(16O, X), E=32.5 MeV/nucleon; calculated outgoing particle velocity distribution contours; deduced projectile breakup time scales. Target Coulomb field distorting effects.

doi: 10.1103/PhysRevC.46.374
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1992DA02      Nucl.Phys. A536, 179 (1992)

C.H.Dasso, A.Vitturi

Excitation Patterns of γ-Unstable Nuclei

NUCLEAR REACTIONS 196Pt(208Pb, 208Pb'), E=650, 900 MeV; calculated γ-unstable band Coulomb excitation probabilities. Sudden limit supplemented by coupled-channels approach.

doi: 10.1016/0375-9474(92)90253-G
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1992DA05      Phys.Lett. 276B, 1 (1992)

C.H.Dasso, R.Donangelo

Fusion Enhancement via the Soft Dipole Mode in Neutron-Rich Nuclei

NUCLEAR REACTIONS 154Sm(54Ca, X), E(cm) ≈ 130-145 MeV; calculated l=0 transmission coefficient vs E.

doi: 10.1016/0370-2693(92)90532-9
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1992DA18      Nucl.Phys. A549, 265 (1992)

C.H.Dasso, M.Gallardo, M.Saraceno

Chaotic Motion at the Nuclear Coulomb Barrier; a classical analysis

NUCLEAR REACTIONS 40Ca(40Ca, 40Ca), E(total)=60 MeV; calculated harmonic mode excitation classical probabilities.

doi: 10.1016/0375-9474(92)90043-J
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1991DE09      Nucl.Phys. A528, 242 (1991)

J.de Boer, J.Fernandez Niello, E.Hauber, E.G.Vogt, C.H.Dasso, M.Lozano, G.Pollarolo

Dynamical Effects in Heavy-Ion Interactions at Bombarding Energies Near the Coulomb Barrier. A Study for the 16O + 120Sn System

NUCLEAR REACTIONS 120Sn(16O, 16O), (16O, 16O'), E=46, 50, 54 MeV; measured σ(θ); deduced model parameters, dynamical effects role. Optical model.

doi: 10.1016/0375-9474(91)90427-8
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1990DA01      Phys.Rev. C41, 1014 (1990)

C.H.Dasso, J.Fernandez-Niello, S.Landowne

Low-Energy Reactions with Heavy Deformed Nuclei

NUCLEAR REACTIONS 154Sm(154Sm, 154Sm), E not given; calculated potential vs inter-nuclear distance; deduced reaction threshold.

doi: 10.1103/PhysRevC.41.1014
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1990DA07      Nucl.Phys. A514, 161 (1990)

C.H.Dasso, P.Lotti, A.Vitturi

Interplay between Ordinary- and Gauge-Space Deformations in Heavy-Ion Collisions: A study for the Pb + Dy system

NUCLEAR REACTIONS 162Dy(208Pb, X), E=1200 MeV; calculated transferred particle number, angular momentum vs θ, φ; deduced correlations features. Deformed superfluid system.

doi: 10.1016/0375-9474(90)90336-K
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1990DE07      Z.Phys. A335, 202 (1990)

J.de Boer, C.H.Dasso, G.Pollarolo

Calculations for Diabolic Pair-Transfer Below the Coulomb Barrier

NUCLEAR REACTIONS 162Dy(208Pb, X), E=700-1100 MeV; calculated two-nucleon transfer probabilities; deduced dominant mechanism.

1989BL01      Phys.Rev. C39, 233 (1989)

N.Blasi, C.H.Dasso, A.Vitturi

Boson Transition Densities within the Interacting-Boson-Model Picture: Rotational limit

NUCLEAR STRUCTURE 154Gd; calculated inelastic quadrupole transition densities.

doi: 10.1103/PhysRevC.39.233
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1989CA16      J.Phys.(London) G15, L191 (1989)

F.Catara, C.H.Dasso, A.Vitturi

Test for Static Octupole Deformations in the Actinide Region through Subbarrier Fusion Processes

NUCLEAR REACTIONS, ICPND 144Ba(16O, X), E(cm)=45-65 MeV; 224Ra(16O, X), E(cm)=70-90 MeV; calculated fusion σ(E). 218,220,222,224,226,228,230Ra(16O, X), E(cm)=72 MeV; calculated fusion σ enhancement factor; deduced octupole deformations role.

doi: 10.1088/0954-3899/15/9/003
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1989DA01      Phys.Lett. 217B, 25 (1989)

C.H.Dasso, S.Landowne, G.Pollarolo

Comment on Energy Dependent Barriers for Heavy-Ion Fusion

NUCLEAR REACTIONS 122Sn(40Ar, X), E(cm)=100-120 MeV; calculated fusion σ(E); deduced Coulomb barrier role.

doi: 10.1016/0370-2693(89)91509-8
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1989DA08      Phys.Rev. C39, 2073 (1989)

C.H.Dasso, G.Pollarolo

Presence of a Deep Inelastic Component at Bombarding Energies Close to the Coulomb Barrier: The Ni + Sn case

NUCLEAR REACTIONS 112,124Sn(58Ni, X), E(cm) ≈ 160-200 MeV; calculated fusion σ(E).

doi: 10.1103/PhysRevC.39.2073
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1989DA15      Nucl.Phys. A500, 127 (1989)

C.H.Dasso, E.Maglione, G.Pollarolo

Two-Particle Transfer Transition Densities for Collective Modes in Normal Systems: A study for a surface-localized pair field

NUCLEAR STRUCTURE 206,210Pb, 206Hg, 210Po, 38,42Ca; calculated pair removal, pair addition transition densities. RPA-like formalism.

doi: 10.1016/0375-9474(89)90133-4
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1989FE03      Phys.Rev. C39, 2069 (1989)

J.Fernandez-Niello, C.H.Dasso

Role of Static Hexadecapole Deformations in Subbarier Fusion Reactions between Heavy Ions

NUCLEAR REACTIONS 232Th(16O, X), E not given; calculated sub-barrier fusion σ enhancement vs deformation.

doi: 10.1103/PhysRevC.39.2069
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1988DA08      Phys.Rev. C37, 1774 (1988)

C.H.Dasso, M.Lozano, A.Vitturi

Direct Versus Sequential Four-Particle Transfer in Heavy Ion Collisions with Superfluid Nuclei: Sn + Sn reaction

NUCLEAR REACTIONS 112Sn(120Sn, 116Sn), E(cm)=200-260 MeV; calculated direct, sequential reaction amplitude ratio.

doi: 10.1103/PhysRevC.37.1774
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1988FE02      Nucl.Phys. A480, 62 (1988)

L.S.Ferreira, R.J.Liotta, A.Winther, C.H.Dasso

Spatial Correlations in Collective Density Modes

NUCLEAR STRUCTURE 208Pb; calculated giant resonance transition, particle-hole densities.

doi: 10.1016/0375-9474(88)90384-3
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1988LA05      Phys.Lett. 202B, 31 (1988)

S.Landowne, C.H.Dasso

Pronounced Deformation Effects on Low Energy Transfer Reactions

NUCLEAR REACTIONS 154,144Sm(144Sm, X), 154Sm(154Sm, X), E(cm) ≈ 310-350 MeV; calculated two-neutron pickup σ(θ) vs E.

doi: 10.1016/0370-2693(88)90848-9
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1987BO08      Phys.Lett. 189B, 381 (1987)

P.F.Bortignon, C.H.Dasso

Effective Mass and Level-Density Parameter in Nuclei at Finite Temperature

NUCLEAR STRUCTURE 208Pb; calculated effective mass vs temperature. 208Pb deduced level density parameter. Surface coupling model.

doi: 10.1016/0370-2693(87)90644-7
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1987DA04      Phys.Lett. 183B, 141 (1987)

C.H.Dasso, S.Landowne

Finite Range Effects in Multi-Dimensional Barrier Penetration Problems

NUCLEAR REACTIONS 122Sn(40Ar, X), E=95-105 MeV; calculated fusion σ(E), enhancement factors vs coupling strength parameter, (Q). Multi-dimensional barrier penetration problems, finite range effects.

doi: 10.1016/0370-2693(87)90427-8
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1987DA13      Phys.Rev. C36, 448 (1987)

C.H.Dasso, R.J.Liotta

Sum Rule for Two-Particle Excitation Processes in Heavy-Ion Reactions

NUCLEAR STRUCTURE 208Pb; calculated collective pair transfer strength, coupling matrix distributions.

doi: 10.1103/PhysRevC.36.448
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1987DA19      Nucl.Phys. A469, 437 (1987)

C.H.Dasso, A.Vitturi

Radial Localization of s and d Bosons

NUCLEAR STRUCTURE 154Sm; calculated pair transition densities, radial function. Interacting boson model.

doi: 10.1016/0375-9474(87)90031-5
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1987DA36      Comput.Phys.Commun. 46, 187 (1987)

C.H.Dasso, S.Landowne

CCFUS - A simplified coupled-channel code for calculation of fusion cross sections in heavy-ion reactions

doi: 10.1016/0010-4655(87)90045-2
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1987LO17      Nucl.Phys. A474, 240 (1987)

P.Lotti, A.Vitturi, C.H.Dasso

Semiclassical Description of Multipair Transfer Processes in Heavy Ion Collisions with Superfluid Systems

NUCLEAR REACTIONS 116Sn(40Ca, X), E(cm)=120 MeV; calculated different fragment mass distribution classical probability. Superfluid systems, semi-classical description.

doi: 10.1016/0375-9474(87)90202-8
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1986DA08      Nuovo Cim. 92A, 50 (1986)

C.H.Dasso, S.Landowne, H.H.Wolter

On the Effective Interaction for Direct Heavy-Ion Transfer Reactions

NUCLEAR REACTIONS 13C(12C, 12C), E=15 MeV; calculated σ(θ).

doi: 10.1007/BF02730426
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1986DA14      Phys.Rev. C34, 743 (1986)

C.H.Dasso, A.Vitturi

Mechanism for Double-Charge Exchange in Heavy Ion Reactions

NUCLEAR REACTIONS 40Ca(14C, 16O), E=51 MeV; calculated σ(θ); deduced reaction mechanism. Coupled-channels method, macroscopic pair transfer form factors.

doi: 10.1103/PhysRevC.34.743
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1986DA17      Nucl.Phys. A459, 134 (1986)

C.H.Dasso, S.Landowne, G.Pollarolo, A.Winther

On the Nuclear Polarization Potential for Heavy-Ion Scattering

NUCLEAR REACTIONS 60Ni(16O, 16O), E=30-150 MeV; 208Pb(16O, 16O), E=30-200 MeV; 88Sr(16O, 16O), E=52 MeV; calculated polarization potential, absorption. Microscopic semiclassical formalism.

doi: 10.1016/0375-9474(86)90060-6
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1986DA19      Phys.Lett. 179B, 337 (1986)

C.H.Dasso, A.Vitturi

Macroscopic Description of Pair Transfer in Heavy-Ion Collisions with Deformed Nuclei

NUCLEAR REACTIONS 154Sm(12C, 14C), E=65 MeV; calculated σ(θ). 152Sm level deduced β. Macroscopic description, pair transfer.

doi: 10.1016/0370-2693(86)90488-0
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1986DU02      J.Phys.(London) G12, 349 (1986)

T.S.Dumitrescu, C.H.Dasso, F.E.Serr, T.Suzuki

Collective Excitations in Spherical Nuclei: Response functions, transition densities and velocity fields

NUCLEAR STRUCTURE 40Ca, 208Pb; calculated response functions, transition densities, convection currents, velocity fields. Self-consistent Hartree-Fock, RPA calculations.

doi: 10.1088/0305-4616/12/4/007
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1986LA01      Phys.Rev. C33, 387 (1986)

S.Landowne, C.H.Dasso

Novel Aspects of the Carbon-Decay Mode of Radium

RADIOACTIVITY 222Ra(α), (14C); calculated α to 14C penetration ratio; deduced 14C decay mode formation.

doi: 10.1103/PhysRevC.33.387
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1986LA25      Phys.Lett. 178B, 336 (1986)

S.Landowne, C.H.Dasso, G.Pollarolo

Evidence for the Energy Dependence of Effective Heavy-Ion Interactions

NUCLEAR REACTIONS 208Pb(16O, 16O'), E=58-78 MeV; calculated σ(θ); deduced nuclear coupling strength. DWBA.

doi: 10.1016/0370-2693(86)91389-4
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1986PO02      Nucl.Phys. A451, 122 (1986)

G.Pollarolo, R.A.Broglia, C.H.Dasso

Role of Surface Vibrations in the Reaction 36Ar + 208Pb for Intermediate-Energy Losses

NUCLEAR REACTIONS 208Pb(36Ar, 36Ar'), E=390 MeV; calculated σ(θ) vs excitation energy; deduced no high-lying surface modes.

doi: 10.1016/0375-9474(86)90246-0
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1986VI08      Nucl.Phys. A458, 157 (1986)

A.Vitturi, C.H.Dasso

Elastic Transfer between Similar Nuclei

NUCLEAR REACTIONS 13C(12C, 12C), E=15, 19 MeV; 18O(16O, 16O), E=24, 28, 32 MeV; calculated σ(θ). Optical potential, parity-dependent contribution.

doi: 10.1016/0375-9474(86)90288-5
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1985BR16      Phys.Rev. C32, 1426 (1985)

R.A.Broglia, C.H.Dasso, S.Landowne

58Ni + 64Ni Subbarrier Fusion Cross Section

NUCLEAR REACTIONS 64Ni(58Ni, X), E(cm)=84-109 MeV; calculated fusion σ(E). 64Ni(58Ni, 60Ni), E(cm)=89-110 MeV; calculated σ(E). Collective model, channel coupling, macroscopic form factors.

doi: 10.1103/PhysRevC.32.1426
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1985DA08      Phys.Lett. 155B, 223 (1985)

C.H.Dasso, G.Pollarolo

Macroscopic Formfactors for Pair Transfer in Heavy Ion Reactions

NUCLEAR REACTIONS 144Nd(12C, 14C), E=78 MeV; 142Nd(18O, 16O), E=98 MeV; 64Ni(18O, 16O), E=50, 57 MeV; calculated σ(θ). Macroscopic form factors, nucleon pair transfer.

doi: 10.1016/0370-2693(85)90642-2
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1985DA17      Phys.Rev. C32, 1094 (1985)

C.H.Dasso, S.Landowne

Entrance-Channel Effects on the Average Angular Momentum of Compound Nuclei Produced in Fusion Reactions

NUCLEAR REACTIONS 144Nd(16O, X), 123Sb(37Cl, X), 96Zr(64Ni, X), 80Se(80Se, X), E not given; calculated fusion reaction average (L). 160Er deduced coupling strength, barrier parameter channel dependences.

doi: 10.1103/PhysRevC.32.1094
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1985DA18      Nucl.Phys. A443, 365 (1985)

C.H.Dasso, G.Pollarolo, S.Landowne

On the Imaginary Part of the Form Factor for Inelastic Excitations in Heavy-Ion Reactions

NUCLEAR REACTIONS 208Pb(16O, 16O'), (16O, 17O), E not given; calculated form factors; deduced potential absorptive part, form factor imaginary component connection.

doi: 10.1016/0375-9474(85)90268-4
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1985DA22      Phys.Lett. 161B, 36 (1985)

C.H.Dasso, J.D.Garrett, S .Landowne

Multiplicity Distributions for the Decay of Erbium Produced by Symmetric Fusion

NUCLEAR REACTIONS 80Se(80Se, xnγ), E(cm)=130, 132.5, 135, 140, 150, 155 MeV; calculated fusion σ(E), γ-decay fold distribution, first moment, width value; deduced collective mode excitation role. Barrier penetration model, colliding nuclei coupling interaction.

doi: 10.1016/0370-2693(85)90603-3
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1985DA25      Phys.Rev. C32, 2195 (1985)

C.H.Dasso, M.Lozano, G.Pollarolo

Simple Estimates of Excitation Energy Sharing between Heavy and Light Fragments in Heavy-Ion Reactions

NUCLEAR REACTIONS 238U(56Fe, X), E=476 MeV; 208Pb(86Kr, X), E=1565 MeV; calculated total kinetic energy loss vs fragment excitation; deduced heavy, light fragment excitation energy sharing.

doi: 10.1103/PhysRevC.32.2195
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1985LA05      Phys.Rev. C31, 1047 (1985)

S.Landowne, C.H.Dasso, R.A.Broglia, G.Pollarolo

Nuclear Structure Effects in the Fusion of Calcium Isotopes

NUCLEAR REACTIONS, ICPND 40,44,48Ca(40Ca, X), E(cm)=47-67 MeV; calculated fusion σ(E); deduced transfer reactions role. Coupled-channels analysis.

doi: 10.1103/PhysRevC.31.1047
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1984BO20      Phys.Lett. 140B, 163 (1984)

P.F.Bortignon, R.A.Broglia, C.H.Dasso, C.Mahaux

Level Dependence of the Self-Energy Correction to the Hartree-Fock Single-Particle Energies in 208Pb

NUCLEAR STRUCTURE 208Pb; calculated single particle energies; deduced self-energy correction level dependence. Hartree-Fock approach, Skyrme interaction.

doi: 10.1016/0370-2693(84)90912-2
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1984CI11      Ann.Phys.(New York) 156, 142 (1984)

O.Civitarese, R.A.Broglia, C.H.Dasso

On the Temperature Dependence of the Nuclear Response

NUCLEAR STRUCTURE 208Pb; calculated neutron, proton, total energies, angular momentum, multipole sum rule, particle-hole response function vs temperature, B(λ). 114Sn; calculated isoscalar, isovector multipole EWSR, B(λ), particle-hole response function. RPA.

doi: 10.1016/0003-4916(84)90213-6
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1984DA15      Z.Phys. A317, 187 (1984)

C.H.Dasso, S.Landowne, R.A.Broglia, A.Winther

Investigating the Pairing Phase Transition in Rapidly Rotating Deformed Nuclei with Heavy Ion Two-Nucleon Transfer Reactions

NUCLEAR REACTIONS 238U(208Pb, 208Pb'), (208Pb, X), E=1.3, 1.5 GeV; calculated deflection, spin function, σ(θ) vs spin for projectile-like fragment; deduced monopole pairing gap dependence. Heavy ion two-nucleon transfer, classical description.

doi: 10.1007/BF01421253
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1984FE10      Nucl.Phys. A426, 276 (1984)

L.Ferreira, R.Liotta, C.H.Dasso, R.A.Broglia, A.Winther

Spatial Correlations of Pairing Collective States

NUCLEAR STRUCTURE 210Pb; calculated pairing, particle-vibration coupling strengths, zero-point amplitude, two-particle transition density. Two particles outside 208Pb core.

doi: 10.1016/0375-9474(84)90108-8
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1984LA09      Phys.Lett. 138B, 32 (1984)

S.Landowne, C.H.Dasso

On the Distribution of Angular Momentum Absorbed by Compound Nuclei in Heavy-Ion Fusion Reactions

NUCLEAR REACTIONS 122Sn(40Ar, 3n), (40Ar, 4n), (40Ar, 5n), E(cm)=110 MeV; calculated partial fusion σ(E). 162Er deduced angular momentum distribution at high excitation.

doi: 10.1016/0370-2693(84)91866-5
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1983BO10      Nucl.Phys. A398, 221 (1983)

P.F.Bortignon, R.A.Broglia, C.H.Dasso

Quenching of the Mass Operator Associated with Collective States in Many-Body Systems

NUCLEAR STRUCTURE 16O, 40Ca, 90Zr, 120Sn, 208Pb; calculated giant monopole, dipole, quadrupole, octupole resonances, widths. Mass operator quenching, collective vibration contribution interference.

doi: 10.1016/0375-9474(83)90484-0
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1983BR10      Phys.Rev. C27, 2433 (1983)

R.A.Broglia, C.H.Dasso, S.Landowne, A.Winther

Possible Effect of Transfer Reactions on Heavy Ion Fusion at Sub-Barrier Energies

NUCLEAR REACTIONS 64,58Ni(58Ni, X), E(cm)=90-110 MeV; 74Ge(58Ni, X), E(cm)=100-120 MeV; analyzed σ(fusion) vs E; deduced two neutron transfer role.

doi: 10.1103/PhysRevC.27.2433
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1983BR28      Phys.Lett. 133B, 34 (1983)

R.A.Broglia, C.H.Dasso, S.Landowne, G.Pollarolo

Estimate of Enhancements in Sub-Barrier Heavy-Ion Fusion Cross Sections due to Coupling to Inelastic and Transfer Reaction Channels

NUCLEAR REACTIONS 122Sn(40Ar, X), E(cm)=95-120 MeV; 58Ni(58Ni, X), E(cm)=93-110 MeV; 64Ni(58Ni, X), E(cm)=90-110 MeV; calculated subbarrier fusion σ(E); deduced potential, barrier parameters. Two-level model, inelastic, transfer reaction channel coupling.

doi: 10.1016/0370-2693(83)90100-4
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1983DA17      Nucl.Phys. A405, 381 (1983)

C.H.Dasso, S.Landowne, A.Winther

Channel-Coupling Effects in Heavy-Ion Fusion Reactions

NUCLEAR REACTIONS 58Ni(58Ni, X), E=95-105 MeV; calculated fusion barrier transmission vs barrier height, Q-value.

doi: 10.1016/0375-9474(83)90578-X
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1983DA19      Nucl.Phys. A407, 221 (1983)

C.H.Dasso, S.Landowne, A.Winther

A Study of Q-Value Effects on Barrier Penetration

NUCLEAR REACTIONS 58Ni(58Ni, X), E not given; calculated total transmission function; deduced (Q-value) effects. Barrier penetration, coupled-channels model.

doi: 10.1016/0375-9474(83)90316-0
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1983SE14      Nucl.Phys. A404, 359 (1983)

F.E.Serr, T.S.Dumitrescu, T.Suzuki, C.H.Dasso

Microscopic Description of Current Distributions for Collective Excitations in Spherical Nuclei

NUCLEAR STRUCTURE 40Ca, 208Pb; calculated transition densities, convection currents. Self-consistent RPA, Skyrme interaction, collective excitations.

doi: 10.1016/0375-9474(83)90554-7
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1982BO05      Phys.Lett. 108B, 247 (1982)

P.F.Bortignon, R.A.Broglia, C.H.Dasso, Fu De-Ji

Microscopic Calculation of the Energy Dependence of the Effective Mass in 208Pb

NUCLEAR STRUCTURE 208Pb; calculated effective mass energy dependence. Hartree-Fock single particle energies, particle-core coupling, RPA response function.

doi: 10.1016/0370-2693(82)91185-6
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1982DA02      Phys.Lett. 108B, 164 (1982)

C.H.Dasso, T.S.Dumitrescu, S.Landowne, H.H.Wolter

Microscopic Calculation of Heavy Ion Inelastic Scattering

NUCLEAR REACTIONS 208Pb(16O, 16O'), E=104 MeV; 48Ca(16O, 16O'), E=56 MeV; analyzed σ(θ). DWBA, RPA transition density, effective complex nucleon-nucleus interaction dependent form factors.

doi: 10.1016/0370-2693(82)91166-2
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1982DA07      Nucl.Phys. A378, 100 (1982)

C.H.Dasso, T.S.Dumitrescu, A.Vitturi

Microscopic Form Factors for Inelastic Excitation of Isovector Modes in Heavy-Ion Reactions

NUCLEAR STRUCTURE 40Ca, 208Pb; calculated form factors, isovector GDR, GQR resonances EWSR fractions, transition densities. RPA, heavy-ion excitation.

doi: 10.1016/0375-9474(82)90384-0
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1982DA22      Nucl.Phys. A389, 191 (1982)

C.H.Dasso, T.Dossing, S.Landowne, R.A.Broglia, A.Winther

Exploring the Surface of Deformed Nuclei with Heavy Ion Reactions: Classical treatment

NUCLEAR REACTIONS 238U(84Kr, 84Kr'), (84Kr, X), E=385, 480 MeV; calculated Coulomb excitation σ, σ(θ) vs rotor spin, nucleon transfer σ(θ). Heavy ion reactions, classical trajectories.

doi: 10.1016/0375-9474(82)90298-6
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1981BR07      Phys.Lett. 100B, 290 (1981)

R.A.Broglia, C.H.Dasso, H.Esbensen, G.Pollarolo

Extracting the Width of Giant Resonances from the Analysis of Heavy Ion Inelastic Scattering

NUCLEAR REACTIONS 208Pb(16O, 16O'), E=315 MeV; calculated σ(θ, E(16O)); deduced giant resonance spreading widths. Coherent surface excitation model.

doi: 10.1016/0370-2693(81)90089-7
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1981BR14      Phys.Lett. 104B, 11 (1981)

R.A.Broglia, C.H.Dasso, H.Esbensen, A.Winther

On the Stability and Decay of Asymmetric Dinuclear Systems with High Angular Momenta

NUCLEAR STRUCTURE 205At; calculated fission barriers, critical angular momenta. Dinuclear description.

doi: 10.1016/0370-2693(81)90843-1
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