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NSR database version of May 24, 2024.

Search: Author = M.V.Andres

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2023LA04      Prog.Part.Nucl.Phys. 129, 104006 (2023)

E.G.Lanza, L.Pellegri, A.Vitturi, M.V.Andres

Theoretical studies of Pygmy Resonances

doi: 10.1016/j.ppnp.2022.104006
Citations: PlumX Metrics


2019LA21      Eur.Phys.J. A 55, 235 (2019)

E.G.Lanza, L.Pellegri, M.V.Andres, F.Catara, A.Vitturi

Low-lying dipole and quadrupole states

doi: 10.1140/epja/i2019-12797-y
Citations: PlumX Metrics


2018MA36      Phys.Lett. B 782, 112 (2018)

N.S.Martorana, G.Cardella, E.G.Lanza, L.Acosta, M.V.Andres, L.Auditore, F.Catara, E.De Filippo, S.De Luca, D.Dell'Aquila, B.Gnoffo, G.Lanzalone, I.Lombardo, C.Maiolino, S.Norella, A.Pagano, E.V.Pagano, M.Papa, S.Pirrone, G.Politi, L.Quattrocchi, F.Rizzo, P.Russotto, D.Santonocito, A.Trifiro, M.Trimarchi, M.Vigilante, A.Vitturi

First measurement of the isoscalar excitation above the neutron emission threshold of the Pygmy Dipole Resonance in 68Ni

NUCLEAR REACTIONS 12C(68Ni, γ), E=28 MeV/nucleon; measured reaction products, Eγ, Iγ. 68Ni; deduced σ(E), σ(θ), γ-ray decay of the pygmy resonance.

doi: 10.1016/j.physletb.2018.05.019
Citations: PlumX Metrics


2018MA46      Acta Phys.Pol. B49, 475 (2018)

N.S.Martorana, G.Cardella, E.G.Lanza, L.Acosta, M.V.Andres, L.Auditore, F.Catara, E.De Filippo, S.De Luca, D.Dell'Aquila, B.Gnoffo, G.Lanzalone, I.Lombardo, C.Maiolino, S.Norella, A.Pagano, E.V.Pagano, M.Papa, S.Pirrone, G.Politi, L.Quattrocchi, F.Rizzo, P.Russotto, D.Santonocito, A.Trifiro, M.Trimarchi, M.Vigilante, A.Vitturi

Experimental Study of the Pygmy Dipole Resonance in the 68Ni Nucleus

NUCLEAR REACTIONS 9Be(70Zn, x), E=40 MeV/nucleon; measured fragmentation products, mainly 66,67,68Ni; 12C(p, x), E=24 MeV; measured protons, γ-rays; deduced Q-value spectrum, deduced total Doppler-corrected γ-ray energy spectrum in coincidence with 66,67,68Ni detected with CsI(Tl) of CHIMERA in coincidence with inelastic and with elastic channels, not normalized σ(θ), yield of Pygmy Dipole Resonance (PDR) obtained using subtraction of other channels. NEWCHIM-CHIMERA Collaboration standard tagging system, which allows event-by-event measurement of the isotopic composition.

doi: 10.5506/aphyspolb.49.475
Citations: PlumX Metrics


2016GA04      Phys.Rev. C 93, 024309 (2016)

D.Gambacurta, F.Catara, M.Grasso, M.Sambataro, M.V.Andres, E.G.Lanza

Nuclear excitations as coupled one and two random-phase-approximation modes

NUCLEAR STRUCTURE 16O; calculated low-lying levels and giant resonances (dipole, quadrupole and octupole), J, π, monopole (E0), dipole (E1), isoscalar quadrupole (E2), and isoscalar octupole (E3) response functions. Double random-phase approximation (DRPA) method to include two -particle two-hole (2p-2h) configurations and by coupling them with the 1p-1h ones and among themselves. Comparison with experimental values.

doi: 10.1103/PhysRevC.93.024309
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2015LA11      Phys.Rev. C 91, 054607 (2015)

E.G.Lanza, A.Vitturi, M.V.Andres

Microscopic nuclear form factors for the pygmy dipole resonance

NUCLEAR REACTIONS 68Ni(12C, X), E=10 MeV/nucleon; calculated form factors, σ(θ), RPA transition densities for the pygmy dipole resonant (PDR) state and isoscalar giant dipole resonance (ISGDR) states using DWBA and DWUCK4 computer code. Comparison with other theoretical calculations using different macroscopic collective models.

doi: 10.1103/PhysRevC.91.054607
Citations: PlumX Metrics


2011AC02      Phys.Rev. C 84, 044604 (2011)

L.Acosta, A.M.Sanchez-Benitez, M.E.Gomez, I.Martel, F.Perez-Bernal, F.Pizarro, J.Rodriguez-Quintero, K.Rusek, M.A.G.Alvarez, M.V.Andres, J.M.Espino, J.P.Fernandez-Garcia, J.Gomez-Camacho, A.M.Moro, C.Angulo, J.Cabrera, E.Casarejos, P.Demaret, M.J.G.Borge, D.Escrig, O.Tengblad, S.Cherubini, P.Figuera, M.Gulino, M.Freer, C.Metelko, V.Ziman, R.Raabe, I.Mukha, D.Smirnov, O.R.Kakuee, J.Rahighi

Elastic scattering and α-particle production in 6He + 208Pb collisions at 22 MeV

NUCLEAR REACTIONS 208Pb(6He, 6He), [secondary 6He beam from 7Li(p, 2p), E=30 MeV primary reaction], E=22 MeV; measured particle spectra, yields, σ(θ), 4He production rates and 4He energy distribution spectrum. DWBA analysis. Discussed neutron transfer mechanism for 4He production.

doi: 10.1103/PhysRevC.84.044604
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1958.


2011LA22      Phys.Rev. C 84, 064602 (2011)

E.G.Lanza, A.Vitturi, M.V.Andres, F.Catara, D.Gambacurta

Excitations of pygmy dipole resonances in exotic and stable nuclei via Coulomb and nuclear fields

NUCLEAR REACTIONS 132Sn(α, α'), (40Ca, 40Ca'), (48Ca, 48Ca'), E=30, 60, 100 MeV; 208Pb(17O, 17O'), E=20, 50 MeV; calculated form factors for PDR states and GDR, partial wave cross sections, differential cross sections. 100Sn, 120Sn, 132Sn, 208Pb; calculated isovector strength distributions B(E1), RPA transition strengths for low-lying states. Hartree-Fock plus RPA random phase approximation (RPA), with Skyrme interaction.

doi: 10.1103/PhysRevC.84.064602
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2010VI02      Pramana 75, 73 (2010)

A.Vitturi, E.G.Lanza, M.V.Andres, F.Catara, D.Gambacurta

Excitation of pygmy dipole resonance in neutron-rich nuclei via Coulomb and nuclear fields

NUCLEAR REACTIONS 208Pb(132Sn, 132Sn'), E=6, 10, 20, 50 MeV/nucleon; 4He, 40,48Ca(132Sn, 132Sn'), E=10 MeV/nucleon; 132Sn; calculated σ(θ), σ(E), transition densities of dipole state, B(E1), form factors.

doi: 10.1007/s12043-010-0066-z
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2009AC02      Eur.Phys.J. A 42, 461 (2009); Erratum Eur.Phys.J. A 42, 623 (2009)

L.Acosta, M.A.G.Alvarez, M.V.Andres, M.J.G.Borge, M.Cortes, J.M.Espino, D.Galaviz, J.Gomez-Camacho, A.Maira, I.Martel, A.M.Moro, I.Mukha, F.Perez-Bernal, E.Reillo, D.Rodriguez, K.Rusek, A.M.Sanchez-Benitez, O.Tengblad

Signature of a strong coupling with the continuum in 11Be + 120Sn scattering at the Coulomb barrier

NUCLEAR REACTIONS 120Sn(11Be, 11Be), (11Be, 11Be'), E=2.91 MeV/nucleon; measured particle spectra using DSSSD array at REX-ISOLDE; deduced σ(θ). Comparison with coupled-channel calculations. Secondary radioactive halo nuclide beam.

doi: 10.1140/epja/i2009-10822-6
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2009LA11      Phys.Rev. C 79, 054615 (2009)

E.G.Lanza, F.Catara, D.Gambacurta, M.V.Andres, Ph.Chomaz

Multiphonon excitations and pygmy resonances in tin isotopes

NUCLEAR REACTIONS 100,120,132Sn(γ, γ'), E not given; calculated proton and neutron densities, isoscalar strength distributions for monopole, quadrupole and octupole states, isovector strength distributions for dipole states, transition probabilities, transition densities for low-lying dipole state for pygmy dipole resonance and giant dipole resonance. Microscopic RPA and boson expansion calculations. 120,132Sn(208Pb, X), E=500 MeV/nucleon; calculated relativistic Coulomb inelastic cross sections using coupled-channel method.

doi: 10.1103/PhysRevC.79.054615
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2008SA09      Nucl.Phys. A803, 30 (2008)

A.M.Sanchez-Benitez, D.Escrig, M.A.G.Alvarez, M.V.Andres, C.Angulo, M.J.G.Borge, J.Cabrera, S.Cherubini, P.Demaret, J.M.Espino, P.Figuera, M.Freer, J.E.Garcia-Ramos, J.Gomez-Camacho, M.Gulino, O.R.Kakuee, I.Martel, C.Metelko, A.M.Moro, F.Perez-Bernal, J.Rahighi, K.Rusek, D.Smirnov, O.Tengblad, P.Van Duppen, V.Ziman

Study of the elastic scattering of 6He on 208Pb at energies around the Coulomb barrier

NUCLEAR REACTIONS 208Pb(6He, 6He), E=14, 16, 18, 22 MeV; measured σ(θ). Comparison with optical model calculations, including Coulomb dipole polarizability and dispersion relations.

doi: 10.1016/j.nuclphysa.2008.01.030
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1648.


2007ES06      Nucl.Phys. A792, 2 (2007)

D.Escrig, A.M.Sanchez-Benitez, A.M.Moro, M.A.G.Alvarez, M.V.Andres, C.Angulo, M.J.G.Borge, J.Cabrera, S.Cherubini, P.Demaret, J.M.Espino, P.Figuera, M.Freer, J.E.Garcia-Ramos, J.Gomez-Camacho, M.Gulino, O.R.Kakuee, I.Martel, C.Metelko, F.Perez-Bernal, J.Rahighi, K.Rusek, D.Smirnov, O.Tengblad, V.Ziman

α-particle production in the scattering of 6He by 208Pb at energies around the Coulomb barrier

NUCLEAR REACTIONS 208Pb(6He, α), E=14, 16, 18, 22 MeV; measured Eα, Iα, σ(E, θ); deduced reaction mechanism features using DWBA analysis.

doi: 10.1016/j.nuclphysa.2007.05.012
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1654.


2007LA28      Nucl.Phys. A788, 112c (2007)

E.G.Lanza, M.V.Andres, F.Catara, Ph.Chomaz, M.Fallot, J.A.Scarpaci

Triple Giant Resonance Excitations: A Microscopic Approach

NUCLEAR REACTIONS 40Ca(40Ca, 40Ca'), E=25, 50, 100 MeV/nucleon; 208Pb(208Pb, 208Pb'), E=641 MeV/nucleon; calculated σ(E), one-, two-, and three-phonon components, giant resonance excitation. Microscopic extended RPA with anharmonicity.

doi: 10.1016/j.nuclphysa.2007.01.056
Citations: PlumX Metrics


2006KA01      Nucl.Phys. A765, 294 (2006)

O.R.Kakuee, M.A.G.Alvarez, M.V.Andres, S.Cherubini, T.Davinson, A.Di Pietro, W.Galster, J.Gomez-Camacho, A.M.Laird, M.Lamehi-Rachti, I.Martel, A.M.Moro, J.Rahighi, A.M.Sanchez-Benitez, A.C.Shotter, W.B.Smith, J.Vervier, P.J.Woods

Long range absorption in the scattering of 6He on 208Pb and 197Au at 27 MeV

NUCLEAR REACTIONS 197Au(6He, 6He), E=27 MeV; measured quasi-elastic σ(θ); 208Pb(6He, 6He), E=27 MeV; analyzed elastic σ(θ); deduced optical model parameters, role of Coulomb dipole polarisability, reaction mechanism features.

doi: 10.1016/j.nuclphysa.2005.11.012
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0160.


2006LA30      Phys.Rev.C 74, 064614 (2006)

E.G.Lanza, F.Catara, M.V.Andres, Ph.Chomaz, M.Fallot, J.A.Scarpaci

Microscopic calculations of double and triple giant resonance excitations in heavy ion collisions

NUCLEAR REACTIONS 40Ca(40Ca, 40Ca'), E=50 MeV/nucleon; 208Pb(208Pb, 208Pb'), E=641 MeV/nucleon; calculated σ(E), one-, two-, and three-phonon components, giant resonance excitation. Microscopic extended RPA with anharmonicity, effects of four phonon states estimated.

doi: 10.1103/PhysRevC.74.064614
Citations: PlumX Metrics


2005SA52      J.Phys.(London) G31, S1953 (2005)

A.M.Sanchez-Benitez, D.Escrig, M.A.G.Alvarez, M.V.Andres, C.Angulo, M.J.G.Borge, J.Cabrera, S.Cherubini, J.M.Espino, P.Figuera, M.Freer, J.E.Garcia-Ramos, J.Gomez-Camacho, M.Gulino, O.R.Kakuee, I.Martel, C.Metelco, A.M.Moro, J.Rahighi, K.Rusek, D.Smirnov, O.Tengblad, P.Van Duppen, V.Ziman

Scattering of 6He at energies around the Coulomb barrier

NUCLEAR REACTIONS 208Pb(6He, 6He), (6He, α), E=14, 16, 17, 18, 22 MeV; measured σ(θ); deduced reaction mechanism features.

doi: 10.1088/0954-3899/31/10/109
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1292.


2003AN22      Nucl.Phys. A724, 113 (2003)

M.V.Andres, J.Gomez-Camacho, M.A.Nagarajan

Deviations from the adiabatic approximation in heavy-ion dynamic polarization potentials

doi: 10.1016/S0375-9474(03)01521-5
Citations: PlumX Metrics


2003FA17      Nucl.Phys. A729, 699 (2003)

M.Fallot, Ph.Chomaz, M.V.Andres, F.Catara, E.G.Lanza, J.A.Scarpaci

Anharmonic vibrations in nuclei

NUCLEAR STRUCTURE 40Ca, 208Pb; calculated two- and three-phonon states configurations, strength distributions, mixing features, giant resonance effects.

doi: 10.1016/j.nuclphysa.2003.10.001
Citations: PlumX Metrics


2003KA60      Nucl.Phys. A728, 339 (2003)

O.R.Kakuee, J.Rahighi, A.M.Sanchez-Benitez, M.V.Andres, S.Cherubini, T.Davinson, W.Galster, J.Gomez-Camacho, A.M.Laird, M.Lamehi-Rachti, I.Martel, A.C.Shotter, W.B.Smith, J.Vervier, P.J.Woods

Elastic scattering of the halo nucleus 6He from 208Pb above the Coulomb barrier

NUCLEAR REACTIONS 208Pb(6He, 6He), E=27 MeV; measured elastic σ(θ); deduced optical model parameters, role of Coulomb dipole polarisability.

doi: 10.1016/j.nuclphysa.2003.08.030
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0184.


2002AN01      Phys.Rev. C65, 014608 (2002)

M.V.Andres, F.Catara, E.G.Lanza, Ph.Chomaz, M.Fallot, J.A.Scarpaci

Microscopic Description of Coulomb and Nuclear Excitation of Multiphonon States in 40Ca + 40Ca Collisions

NUCLEAR REACTIONS 40Ca(40Ca, X), E=50 MeV/nucleon; calculated inelastic σ(E), population of one- and two-phonon states; deduced role of anharmonicities and nonlinearities. RPA approach.

doi: 10.1103/PhysRevC.65.014608
Citations: PlumX Metrics


2001AL03      Nucl.Phys. A679, 359 (2001)

C.E.Alonso, M.V.Andres, J.M.Arias, E.G.Lanza, A.Vitturi

Coupling of Dipole Mode to γ-Unstable Quadrupole Oscillations

doi: 10.1016/S0375-9474(00)00360-2
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1999AN07      Phys.Rev.Lett. 82, 1387 (1999)

M.V.Andres, J.Gomez-Camacho

Dipole Polarizability in the Scattering of 11Li Below the Coulomb Barrier

NUCLEAR REACTIONS 208Pb(11Li, 11Li), E=24 MeV; calculated σ(θ); deduced dipole polarizability role.

doi: 10.1103/PhysRevLett.82.1387
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1999AN51      Phys.Lett. 470B, 6 (1999)

M.V.Andres, E.G.Lanza, P.Van Isacker, C.Volpe, F.Catara

Excitation of Multiple Giant Dipole Resonances: From spherical to deformed nuclei

NUCLEAR STRUCTURE 148,150,152,154Sm, 238U; calculated multiple GDR B(E1) distributions. Interacting boson model.

NUCLEAR REACTIONS 208Pb(238U, 238U'), E=0.5 GeV/nucleon; 148,150,152,154Sm(208Pb, 208Pb'), E=0.5 GeV/nucleon; calculated Coulomb excitation σ(E); deduced multiple GDR, deformation effects.

doi: 10.1016/S0370-2693(99)01220-4
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1999LA33      Nucl.Phys. (Supplement) A654, 792c (1999)

E.G.Lanza, M.V.Andres, F.Catara, Ph.Chomaz, C.Volpe

Microscopic Description of Multiphonon States Excitation in Heavy Ion Collisions

NUCLEAR REACTIONS 208Pb(208Pb, X), E=50, 641 MeV/nucleon; calculated GDR, double-GDR excitation σ and σ(E). Comparison with data. Microscopic approach.

doi: 10.1016/S0375-9474(00)88548-6
Citations: PlumX Metrics


1999VO04      Nucl.Phys. A647, 246 (1999)

C.Volpe, Ph.Chomaz, M.V.Andres, F.Catara, E.G.Lanza

Boson Expansion Methods Applied to a Two-Level Model in the Study of Multiple Giant Resonances

doi: 10.1016/S0375-9474(99)00016-0
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1998LA17      Nucl.Phys. A636, 452 (1998)

E.G.Lanza, M.V.Andres, F.Catara, Ph.Chomaz, C.Volpe

Microscopic Description of Coulomb and Nuclear Excitation of Multiphonon States in Heavy Ion Collisions

NUCLEAR REACTIONS 208Pb(208Pb, 208Pb'), E=50 MeV/nucleon; calculated inelastic σ(Ex, L) ; deduced nuclear, Coulomb contributions, role of anharmonicities, nonlinearities.

doi: 10.1016/S0375-9474(98)00222-X
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1997AN01      Nucl.Phys. A612, 82 (1997)

M.V.Andres, J.A.Christley, J.Gomez-Camacho, M.A.Nagarajan

Dipole Coulomb Excitation in 11Be Scattering

NUCLEAR REACTIONS, ICPND 197Au(11Be, 11Be'), E=30 MeV; calculated σ(θ), fusion σ vs spin; deduced projectile dipole Coulomb excitation related features. Dynamic polarization potentials, coupled-channels approach.

doi: 10.1016/S0375-9474(96)00324-7
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1997AN18      Nucl.Phys. A625, 685 (1997)

M.V.Andres, J.A.Christley, J.Gomez-Camacho, M.A.Nagarajan

Spin-Orbit Dynamic Polarization Potential Due to Dipole Coulomb Excitation

NUCLEAR REACTIONS 197Au(11Be, 11Be), E=30 MeV; calculated reaction σ, σ(θ), vector analyzing power; deduced Coulomb excitation role.

doi: 10.1016/S0375-9474(97)00388-6
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1997LA07      Nucl.Phys. A613, 445 (1997)

E.G.Lanza, M.V.Andres, F.Catara, Ph.Chomaz, C.Volpe

Role of Anharmonicities and Nonlinearities in Heavy Ion Collisions a Microscopic Approach

NUCLEAR REACTIONS 208Pb, 40Ca(208Pb, 208Pb'), E=0.641, 1 GeV/nucleon; calculated Coulomb excitation σ vs excitation energy, relativistic energies. Microscopic approach beyond RPA, anharmonicities, nonlinearities.

NUCLEAR STRUCTURE 40Ca, 208Pb; calculated 1- giant resonances; deduced anharmonicities, nonlinearities role. Microscopic approach beyond RPA.

doi: 10.1016/S0375-9474(96)00444-7
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1996VO08      Nucl.Phys. A599, 347c (1996)

C.Volpe, Ph.Chomaz, M.V.Andres, F.Catara, E.G.Lanza

Are Giant Resonances Harmonic Vibrations ( Question )

NUCLEAR REACTIONS 208Pb(136Xe, 136Xe'), E=700 MeV/nucleon; calculated one-, two-phonon states excitation in projectile by Coulomb excitation; deduced small anharmonicities, nonlinearities role.

doi: 10.1016/0375-9474(96)00077-2
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1995AN06      Nucl.Phys. A583, 817c (1995)

M.V.Andres, J.Gomez-Camacho, M.A.Nagarajan

Dynamic Polarization Potential Induced by Dipole Coulomb Excitation to Break-Up States in 11Li Scattering

NUCLEAR REACTIONS 208Pb(11Li, 11Li), E=50 MeV; calculated σ(θ). Polarization potential due to direct Coulomb excitation into the continuum.

doi: 10.1016/0375-9474(94)00765-F
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1995BA60      Yad.Fiz. 58, No 4, 604 (1995); Phys.Atomic Nuclei 58, 548 (1995)

E.B.Balbutsev, A.V.Unzhakova, M.V.Andres, F.Catara, E.G.Lanza

Role of Low-Lying Isoscalar Dipole Modes in the Polarization Potential

NUCLEAR REACTIONS 208Pb(208Pb, 208Pb'), E=2-8 GeV; calculated GDR, GQR other multipolarities contribution to real, imaginary part of local polarization potential. Wigner function moments method.


1995VO04      Nucl.Phys. A589, 521 (1995)

C.Volpe, F.Catara, Ph.Chomaz, M.V.Andres, E.G.Lanza

Anharmonicities and Non-Linearities in the Excitation of Double Giant Resonances

NUCLEAR REACTIONS 208Pb(136Xe, X), E=700 MeV/nucleon; analyzed data; deduced anharmonicities, nonlinearities role in GDR excitation. Quantum anharmonic oscillator.

doi: 10.1016/0375-9474(95)00195-7
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1994AN21      Nucl.Phys. A579, 273 (1994)

M.V.Andres, J.Gomez-Camacho, M.A.Nagarajan

Dynamic Polarization Potential Induced by Dipole Coulomb Excitation

NUCLEAR REACTIONS 208Pb(11Li, 11Li), E=50 MeV; calculated σ(θ). Dipole Coulomb excitation induced dynamic polarization potential.

doi: 10.1016/0375-9474(94)90806-0
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1994GO28      Nucl.Phys. A580, 156 (1994)

J.Gomez-Camacho, M.V.Andres, M.A.Nagarajan

Analytic Approximations for the Dynamic Polarization Effects Due to Coulomb Excitation

NUCLEAR REACTIONS 184W(18O, 18O), (18O, 18O'), E=75, 90 MeV; calculated σ(θ); deduced dynamic polarization potential parameters. Coupled-channels approach.

doi: 10.1016/0375-9474(94)90820-6
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1993AN01      Phys.Rev. C47, 902 (1993)

M.V.Andres, F.Catara, E.G.Lanza

Reply to ' Comment on ' Dynamical Polarization Potential Due to the Excitation of Collective States ' '

NUCLEAR REACTIONS 40Ca(16O, 16O), E < 600 MeV; calculated dynamical polarization potential parameters vs E; deduced form factors role.

doi: 10.1103/PhysRevC.47.902
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1992MA11      Phys.Lett. 279B, 218 (1992)

I.Martel, J.Gomez-Camacho, M.V.Andres

Reorientation and Coupling Effects in Polarized Heavy Ion Fusion

NUCLEAR REACTIONS 208Pb(polarized 23Na, X), E=100-120 MeV; calculated partial fusion σ(E), analyzing power; deduced effects of ground state reorientation, coupling to rotational states. Tidal symmetry model.

doi: 10.1016/0370-2693(92)90382-E
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1991AN20      Phys.Rev. C44, 2709 (1991)

M.V.Andres, F.Catara, E.G.Lanza

Dynamical Polarization Potential Due to the Excitation of Collective States

NUCLEAR REACTIONS 40Ca(16O, 16O), E=104 MeV; 40Ca(40Ca, 40Ca), E=143 MeV; calculated σ(θ); deduced potential parameters energy dependence. Dynamical polarization potential, Feshbach formalism.

doi: 10.1103/PhysRevC.44.2709
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1989AN01      Phys.Rev. C39, 99 (1989)

M.V.Andres, F.Catara, Ph.Chomaz, E.G.Lanza

Random-Phase-Approximation-Based Dynamical Polarization Potential

NUCLEAR REACTIONS 40Ca(40Ca, 40Ca), E(cm)=55.45-888 MeV; calculated σ(θ).

doi: 10.1103/PhysRevC.39.99
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1989CH29      Europhys.Lett. 9, 125 (1989)

Ph.Chomaz, Y.Blumenfeld, M.V.Andres, F.Catara, E.G.Lanza

Importance of Giant-Resonance Excitation for the Surface Properties of the Heavy-Ion Optical Potential

NUCLEAR STRUCTURE 40Ca, 90Zr, 208Pb; calculated response functions. RPA.

NUCLEAR REACTIONS 40Ca, 90Zr, 208Pb(40Ca, 40Ca), E=33 MeV/nucleon; calculated transmission factor vs l. RPA based heavy-ion potential.

doi: 10.1209/0295-5075/9/2/006
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1988AN01      Phys.Lett. 202B, 292 (1988)

M.V.Andres, N.Rowley, M.A.Nagarajan

Effect of Deformation on the Elastic and Quasielastic Scattering of Heavy Ions Near the Coulomb Barrier

NUCLEAR REACTIONS 154Sm(16O, 16O), (16O, 16O'), (16O, X), E(cm)=63.45 MeV; calculated elastic, fusion σ(θ).

doi: 10.1016/0370-2693(88)90473-X
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1988AN05      Nucl.Phys. A481, 600 (1988)

M.V.Andres, N.Rowley, M.A.Nagarajan

Deviations from Shape-Effect Relations in the Polarization of Inelastically Scattered Heavy Ions

NUCLEAR REACTIONS 154Sm(polarized 16O, 16O), (polarized 16O, 16O'), E=60 MeV; calculated σ(θ), polarization vs θ. Coupled-channels method.

doi: 10.1016/0375-9474(88)90347-8
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1988AN12      J.Phys.(London) G14, 1331 (1988)

M.V.Andres, F.Catara, Ph.Chomaz, E.G.Lanza

Polarisation Potential and Sub-Barrier Fusion in a Multiphonon Excitation Model

NUCLEAR REACTIONS, ICPND 40Ca(40Ca, X), E(cm) ≈ 50-70 MeV; 48Ca(40Ca, X), E(cm)=48-68 MeV; calculated fusion σ(E). Adiabatic polarization potential.

doi: 10.1088/0305-4616/14/10/009
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1987NA13      Phys.Lett. 192B, 297 (1987)

M.A.Nagarajan, M.V.Andres, M.Lozano

Polarization Effects Due to Coupling of Elastic to Compound States

NUCLEAR REACTIONS 24Mg, 28Si, 40Ca(16O, 16O), E=33-140 MeV; calculated σ vs L; deduced polarization potential.

doi: 10.1016/0370-2693(87)90109-2
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1986AN18      Nucl.Phys. A455, 561 (1986)

M.V.Andres, M.Lozano, M.Barranco, M.Pi, X.Vinas, K.A.Gridnev

Nuclear Transfer Contribution to the Imaginary Nucleus-Nucleus Potential

NUCLEAR REACTIONS 40Ca(16O, 16O), E=40-139.6 MeV; 40Ca(40Ca, 40Ca), E=129.6-240 MeV; 208Pb(16O, 16O), E=192-1295 MeV; calculated σ(θ). Nucleon transfer role in nucleus-nucleus potential imaginary term.

doi: 10.1016/0375-9474(86)90322-2
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1985AN16      Nucl.Phys. A443, 380 (1985)

M.V.Andres, J.M.Quesada, M.Lozano, G.Madurga

A Level-Density-Dependent Imaginary Potential for Heavy Ions

NUCLEAR REACTIONS 28Si, 40Ca(9Be, 9Be), E=14-26 MeV; 24Mg(12C, 12C), E=21, 24 MeV; 24Mg(16O, 16O), E=28-33 MeV; 40Ca(20Ne, 20Ne), E=44.1-70.4 MeV; 40Ca(32S, 32S), E=100-151.5 MeV; calculated real folding potential renormalization constants, σ(θ). Level density dependent heavy ion potential component.

NUCLEAR STRUCTURE 9Be, 12C, 16O, 20Ne, 24Mg, 28Si, 32S, 40Ca; calculated neutron, proton, charge density distributions. Woods-Saxon potential.

doi: 10.1016/0375-9474(85)90269-6
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