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NSR database version of May 24, 2024.

Search: Author = E.G.Lanza

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2024BR06      Nuovo Cim. C 47, 14 (2024)

A.Bracco, E.G.Lanza, N.S.Martorana, O.Wieland

Preface

doi: 10.1393/ncc/i2024-24014-3
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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
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2021CA09      Eur.Phys.J. A 57, 33 (2021)

J.Casal, L.Fortunato, E.G.Lanza, A.Vitturi

Alpha-induced inelastic scattering and alpha-transfer reactions in 12C and 16O within the Algebraic Cluster Model

NUCLEAR REACTIONS 12C, 16O(α, α'), (α, X), E=240, 130 MeV; analyzed available data; deduced σ(θ), Rutherford ratio, J, π within the molecular cluster model based on "pre-formed" alpha particles. Comparison with available data.

doi: 10.1140/epja/s10050-021-00347-5
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2021CR01      Phys.Lett. B 816, 136210 (2021)

F.C.L.Crespi, A.Bracco, E.G.Lanza, A.Tamii, N.Blasi, F.Camera, O.Wieland, N.Aoi, D.L.Balabanski, S.Bassauer, A.S.Brown, M.P.Carpenter, J.J.Carroll, M.Ciemala, A.Czeszumska, P.J.Davies, V.Derya, L.M.Donaldson, Y.D.Fang, H.Fujita, G.Gey, H.T.Ha, M.N.Harakeh, T.Hashimoto, N.Ichige, E.Ideguchi, A.Inoue, J.Isaak, C.Iwamoto, D.G.Jenkins, T.Klaus, N.Kobayashi, T.Koike, M.Krzysiek, M.K.Raju, M.Liu, A.Maj, L.Morris, P.von Neumann-Cosel, S.Noji, H.J.Ong, S.G.Pickstone, N.Pietralla, D.Savran, J.M.Schmitt, M.Spieker, G.Steinhilber, C.Sullivan, B.Wasilewska, M.Weinert, V.Werner, Y.Yamamoto, T.Yamamoto, R.G.T.Zegers, X.Zhou, S.Zhu, A.Zilges

The structure of low-lying 1- states in 90, 94Zr from (α, α'γ) and (p, p'γ) reactions

NUCLEAR REACTIONS 90,94Zr(p, p'γ), E=80 MeV; 90,94Zr(α, α'γ), E=130 MeV; measured reaction products, Eγ, Iγ; deduced ratio of the measured yields, dipole states σ, transition densities, low-lying dipole strength. The array CAGRA with HPGe detectors.

doi: 10.1016/j.physletb.2021.136210
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020FO02      Eur.Phys.J. A 56, 49 (2020)

L.Fortunato, C.E.Alonso, J.M.Arias, J.Casal, K.Hagino, J.A.Lay, E.G.Lanza, S.M.Lenzi, J.Lubian, T.Oishi, F.Perez-Bernal

An overview of the scientific contribution of Andrea Vitturi to nuclear physics

doi: 10.1140/epja/s10050-020-00034-x
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2020VI01      Phys.Rev. C 101, 014315 (2020)

A.Vitturi, J.Casal, L.Fortunato, E.G.Lanza

Transition densities and form factors in the triangular α-cluster model of 12C with application to 12C + α scattering

NUCLEAR STRUCTURE 12C; calculated B(E2) for first and second 2+ and first excited 0+ states, B(E3) for first and second 3- states, B(E4) for first 4+, and E0 transition probability for first excited 0+, rms radius, transition densities using equilateral triangular arrangement in the Algebraic Cluster Model; analyzed the ground state, the symmetric vibration (Hoyle state), and the asymmetric bend vibration in a molecular approach. Comparison with available experimental data.

NUCLEAR REACTIONS 12C(α, α'), E=240 MeV; calculated form factors for the first 2+, and the second 2+ built on the top of first excited Hoyle state in 12C, differential σ(θ) using the transition densities calculated in the triangular α-cluster model. Comparison with experimental data taken from EXFOR and other literature.

doi: 10.1103/PhysRevC.101.014315
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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
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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
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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
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2018SA49      Phys.Lett. B 786, 16 (2018)

D.Savran, V.Derya, S.Bagchi, J.Endres, M.N.Harakeh, J.Isaak, N.Kalantar-Nayestanaki, E.G.Lanza, B.Loher, A.Najafi, S.Pascu, S.G.Pickstone, N.Pietralla, V.Yu.Ponomarev, C.Rigollet, C.Romig, M.Spieker, A.Vitturi, A.Zilges

Multi-messenger investigation of the Pygmy Dipole Resonance in 140Ce

NUCLEAR REACTIONS 140Ce(p, p'), E=80 MeV; measured reaction products, Eγ, Iγ; deduced σ(θ), Pygmy Dipole Resonance single excitations. Comparison with the Quasi-particle Phonon Model calculations.

doi: 10.1016/j.physletb.2018.09.025
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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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2016KR04      Phys.Rev. C 93, 044330 (2016)

M.Krzysiek, M.Kmiecik, A.Maj, P.Bednarczyk, A.Bracco, F.C.L.Crespi, E.G.Lanza, E.Litvinova, N.Paar, R.Avigo, D.Bazzacco, G.Benzoni, B.Birkenbach, N.Blasi, S.Bottoni, S.Brambilla, F.Camera, S.Ceruti, M.Ciemala, G.de Angelis, P.Desesquelles, J.Eberth, E.Farnea, A.Gadea, A.Giaz, A.Gorgen, A.Gottardo, J.Grebosz, H.Hess, R.Isocarte, A.Jungclaus, S.Leoni, J.Ljungvall, S.Lunardi, K.Mazurek, R.Menegazzo, D.Mengoni, C.Michelagnoli, B.Milion, A.I.Morales, D.R.Napoli, R.Nicolini, L.Pellegri, A.Pullia, B.Quintana, F.Recchia, P.Reiter, D.Rosso, M.D.Salsac, B.Siebeck, S.Siem, P.-A.Soderstrom, C.Ur, J.J.Valiente-Dobon, O.Wieland, M.Zieblinski

Pygmy dipole resonance in 140Ce via inelastic scattering of 17O

NUCLEAR REACTIONS 140Ce(17O, 17O'), E=340 MeV; measured scattered 17O particle spectra, Eγ, Iγ, (17O)γ-coin, σ as function of excitation energy in 140Ce, γ(θ) using AGATA-demonstrator array for γ rays and E-ΔE detectors for particles at LNL's PIAVE-ALPI accelerator facility. DWBA analysis for the pygmy dipole states using microscopically calculated form factors based on transition densities from RQRPA and optical potentials. 140Ce; deduced levels, J, π, 1- pygmy (PDR) states, isoscalar energy-weighted sum rule (ISEWSR), PDR strengths, isospin character of the dipole states. Comparison with experimental results from (γ, γ') and (α, α') studies.

doi: 10.1103/PhysRevC.93.044330
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0823. Data from this article have been entered in the XUNDL database. For more information, click here.


2016NE08      Phys.Rev. C 94, 024332 (2016)

D.Negi, M.Wiedeking, E.G.Lanza, E.Litvinova, A.Vitturi, R.A.Bark, L.A.Bernstein, D.L.Bleuel, S.Bvumbi, T.D.Bucher, B.H.Daub, T.S.Dinoko, J.L.Easton, A.Gorgen, M.Guttormsen, P.Jones, B.V.Kheswa, N.A.Khumalo, A.C.Larsen, E.A.Lawrie, J.J.Lawrie, S.N.T.Majola, L.P.Masiteng, M.R.Nchodu, J.Ndayishimye, R.T.Newman, S.P.Noncolela, J.N.Orce, P.Papka, L.Pellegri, T.Renstrom, D.G.Roux, R.Schwengner, O.Shirinda, S.Siem

Nature of low-lying electric dipole resonance excitations in 74Ge

NUCLEAR REACTIONS 74Ge(α, α'), E=48 MeV; measured Eγ, Iγ, Eα, αγ-coin, γ(θ), σ(θ) for scattered α particles, relative cross sections of E1 transitions using AFRODITE array for γ detection and silicon detectors for α particles at iThemba Labs cyclotron facility. 74Ge; deduced levels, J, π, B(E1), suppression in relative cross section for the excitation of pygmy-dipole resonances (PDR) as compared to those in (γ, γ') data for excitations above 6 MeV. Comparison of B(E1) with relativistic quasiparticle time blocking approximation (RQTBA) calculations.

doi: 10.1103/PhysRevC.94.024332
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Data from this article have been entered in the XUNDL database. For more information, click here.


2015BR08      Eur.Phys.J. A 51, 99 (2015)

A.Bracco, F.C.L.Crespi, E.G.Lanza

Gamma decay of pygmy states from inelastic scattering of ions

NUCLEAR REACTIONS 90Zr, 124Sn, 208Pb(17O, 17O'γ), E=10-170 MeV/nucleon; calculated strength function for isovector and isoscalar response, pygmy and giant dipole resonance transition strength, B(E1), σ(θ), formfactors, σ. 208Pb calculated B(E2). 90Zr(α, α'γ), (17O, 17O'γ), E=20, 35 MeV/nucleon; calculated partial σ vs impact factor, σ(θ) for α-particle scattering. 48Ca, 94Mo, 124Sn, 138Ba, 140Ce(α, α'γ), E not given;48Ca, 94Mo, 124Sn, 138Ba, 140Ce(γ, γ'), E not given; calculated σ(θ), B(E1). Compared with available data on (γ, γ'), (p, p'), (α, α'γ) reactions. DWBA.

NUCLEAR STRUCTURE 68Ni, 120Sn, 132Sn, 208Pb; compiled data on dipole polarizability, pygmy dipole resonance strength, neutron skin radii.

doi: 10.1140/epja/i2015-15099-6
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2015CR02      Phys.Rev. C 91, 024323 (2015)

F.C.L.Crespi, A.Bracco, R.Nicolini, E.G.Lanza, A.Vitturi, D.Mengoni, S.Leoni, G.Benzoni, N.Blasi, C.Boiano, S.Bottoni, S.Brambilla, F.Camera, A.Corsi, A.Giaz, B.Million, L.Pellegri, V.Vandone, O.Wieland, P.Bednarczyk, M.Ciemala, M.Kmiecik, M.Krzysiek, A.Maj, D.Bazzacco, M.Bellato, B.Birkenbach, D.Bortolato, E.Calore, B.Cederwall, G.de Angelis, P.Desesquelles, J.Eberth, E.Farnea, A.Gadea, A.Gorgen, A.Gottardo, H.Hess, R.Isocrate, J.Jolie, A.Jungclaus, R.S.Kempley, M.Labiche, R.Menegazzo, C.Michelagnoli, P.Molini, D.R.Napoli, A.Pullia, B.Quintana, F.Recchia, P.Reiter, E.Sahin, S.Siem, P.-A.Soderstrom, O.Stezowski, Ch.Theisen, C.Ur, J.J.Valiente-Dobon

1- and 2+ discrete states in 90Zr populated via the (170, 170'γ) reaction

NUCLEAR REACTIONS 90Zr(17O, 17O')(17O, 17O), E=340 MeV; measured particle spectra, Eγ, Iγ, σ(θ) for g.s., 1-, 2+ and 3- states, (scattered particle)γ-coin using Si telescopes for particle detection and AGATA array for γ detection at LNL-Legnaro Tandem-ALPI accelerator facility. 90Zr; deduced levels, J, π, B(E1), isoscalar component of the 1- state. DWBA analysis of σ(θ) data. Comparison of E1 strength with other experiments.

doi: 10.1103/PhysRevC.91.024323
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0767. Data from this article have been entered in the XUNDL database. For more information, click here.


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
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2014CR03      Phys.Rev.Lett. 13, 012501 (2014)

F.C.L.Crespi, A.Bracco, R.Nicolini, D.Mengoni, L.Pellegri, E.G.Lanza, S.Leoni, A.Maj, M.Kmiecik, R.Avigo, G.Benzoni, N.Blasi, C.Boiano, S.Bottoni, S.Brambilla, F.Camera, S.Ceruti, A.Giaz, B.Million, A.I.Morales, V.Vandone, O.Wieland, P.Bednarczyk, M.Ciemala, J.Grebosz, M.Krzysiek, K.Mazurek, M.Zieblinski, D.Bazzacco, M.Bellato, B.Birkenbach, D.Bortolato, E.Calore, B.Cederwall, L.Charles, G.de Angelis, P.Desesquelles, J.Eberth, E.Farnea, A.Gadea, A.Gorgen, A.Gottardo, R.Isocrate, J.Jolie, A.Jungclaus, N.Karkour, W.Korten, R.Menegazzo, C.Michelagnoli, P.Molini, D.R.Napoli, A.Pullia, F.Recchia, P.Reiter, D.Rosso, E.Sahin, M.D.Salsac, B.Siebeck, S.Siem, J.Simpson, P.-A.Soderstrom, O.Stezowski, Ch.Theisen, C.Ur, J.J.Valiente-Dobon

Isospin Character of Low-Lying Pygmy Dipole States in 208Pb via Inelastic Scattering of 17O Ions

NUCLEAR REACTIONS 208Pb(17O, 17O), E=340 MeV; measured reaction products, Eγ, Iγ; deduced σ, σ(θ), B(E1). Comparison with DWBA calculations.

doi: 10.1103/PhysRevLett.113.012501
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0740. Data from this article have been entered in the XUNDL database. For more information, click here.


2014LA11      Phys.Rev. C 89, 041601 (2014)

E.G.Lanza, A.Vitturi, E.Litvinova, D.Savran

Dipole excitations via isoscalar probes: The splitting of the pygmy dipole resonance in 124Sn

NUCLEAR REACTIONS 124Sn(α, α'), E=136 MeV; calculated isoscalar and isovector E1 transition strengths, σ as function of the excitation energy of the 124Sn+α system, deflection function. Relativistic quasiparticle time-blocking approximation (RQTBA) in the framework of semiclassical model. Splitting of the low-lying E1 strength in terms of pygmy dipole resonances (PDR). Comparison with experimental data.

doi: 10.1103/PhysRevC.89.041601
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2014PE17      Phys.Lett. B 738, 519 (2014)

L.Pellegri, A.Bracco, F.C.L.Crespi, S.Leoni, F.Camera, E.G.Lanza, M.Kmiecik, A.Maj, R.Avigo, G.Benzoni, N.Blasi, C.Boiano, S.Bottoni, S.Brambilla, S.Ceruti, A.Giaz, B.Million, A.I.Morales, R.Nicolini, V.Vandone, O.Wieland, D.Bazzacco, P.Bednarczyk, M.Bellato, B.Birkenbach, D.Bortolato, B.Cederwall, L.Charles, M.Ciemala, G.De Angelis, P.Desesquelles, J.Eberth, E.Farnea, A.Gadea, R.Gernhauser, A.Gorgen, A.Gottardo, J.Grebosz, H.Hess, R.Isocrate, J.Jolie, D.Judson, A.Jungclaus, N.Karkour, M.Krzysiek, E.Litvinova, S.Lunardi, K.Mazurek, D.Mengoni, C.Michelagnoli, R.Menegazzo, P.Molini, D.R.Napoli, A.Pullia, B.Quintana, F.Recchia, P.Reiter, M.D.Salsac, B.Siebeck, S.Siem, J.Simpson, P.-A.Soderstrom, O.Stezowski, Ch.Theisen, C.Ur, J.J.Valiente Dobon, M.Zieblinski

Pygmy dipole resonance in 124Sn populated by inelastic scattering of 17O

NUCLEAR REACTIONS 124Sn(17O, 17O'), E=340 MeV; measured reaction products, Eγ, Iγ; deduced σ(θ), Form factors, isoscalar strength distribution, pigmy dipole resonance. Comparison with DWBA calculations.

doi: 10.1016/j.physletb.2014.08.029
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0761.


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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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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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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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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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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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
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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
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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
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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
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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
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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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2001LA11      Nucl.Phys. A687, 162c (2001)

E.G.Lanza

Double Giant Resonance in Heavy Ion Collisions

doi: 10.1016/S0375-9474(01)00616-9
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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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1999CH03      J.Phys.(London) G25, 11 (1999)

J.A.Christley, E.G.Lanza, S.M.Lenzi, M.A.Nagarajan, A.Vitturi

Excitation of the GDR and the Compressional Isoscalar Dipole State by α Scattering

NUCLEAR REACTIONS 28O(α, α'), E=68 MeV; 70Ca(α, α'), E=40 MeV; calculated GDR, isoscalar dipole state excitation σ(θ); deduced nuclear, Coulomb contributions.

doi: 10.1088/0954-3899/25/1/002
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1999LA16      Nucl.Phys. A649, 344c (1999)

E.G.Lanza

Effect of Large Neutron Excess in the Region of the Giant Dipole and Quadrupole Resonance

NUCLEAR STRUCTURE 16,28O; calculated isoscalar, isovector quadrupole strength distributions. 40,48,60,70Ca; calculated dipole strength distributions; deduced neutron excess effects. Self-consistent Hartree-Fock plus RPA.

NUCLEAR REACTIONS 70Ca(α, X), E not given; calculated resonance excitation σ(θ).

doi: 10.1016/S0375-9474(99)00082-2
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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
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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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1997CA06      Nucl.Phys. A614, 86 (1997)

F.Catara, E.G.Lanza, M.A.Nagarajan, A.Vitturi

Collective Transition Densities in Neutron-Rich Nuclei

NUCLEAR STRUCTURE 28O, 60Ca; calculated nucleon ground state densities, isoscalar, isovector transition strength distribution, RPA transition densities. 40Ca, 208Pb; calculated isoscalar, isovector transition strength distribution for RPA quadrupole states.

doi: 10.1016/S0375-9474(96)00457-5
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1997CA51      Nucl.Phys. A624, 449 (1997)

F.Catara, E.G.Lanza, M.A.Nagarajan, A.Vitturi

Effect of Large Neutron Excess on the Dipole Response in the Region of the Giant Dipole Resonance

NUCLEAR STRUCTURE 16,28O, 40,48,60,70Ca; calculated dipole response; 28O, 60,70Ca; calculated transition densities; deduced neutron excess effects. Hartree-Fock plus RPA, Skyrme interaction.

doi: 10.1016/S0375-9474(97)00485-5
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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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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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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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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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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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1986CA02      Nucl.Phys. A451, 299 (1986)

F.Catara, E.G.Lanza

Interplay between Particle-Hole Excitation and Nucleon Transfer in Deep-Inelastic Collisions

NUCLEAR REACTIONS 197Au(58Ni, X), 209Bi(56Fe, X), E not given; calculated projectile-like fragment neutron, proton average shifts, relative distance vs time; deduced particle-hole excitation, nucleon transfer interplay. Independent particle model, deep inelastic collisions.

doi: 10.1016/0375-9474(86)90416-1
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1986LA06      Z.Phys. A323, 157 (1986)

E.G.Lanza, H.A.Weidenmuller

Multiplicities of Charged Particles Prior to Fission

NUCLEAR REACTIONS 90Zr(62Ni, X), E=397 MeV; calculated average neutron, proton multiplicity prior to fission vs transient time. Compound nucleus cascade deexcitation.


1984MO30      Nucl.Phys. A428, 137c (1984)

L.G.Moretto, E.G.Lanza

A Feedback Process Controlling Energy Partition and Mass Exchange between Heavy Ions

NUCLEAR REACTIONS 166Er(84Kr, X), E not given; calculated light fragment mass vs kinetic energy. Temperature-dependent particle exchange.

doi: 10.1016/0375-9474(84)90247-1
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1983BA18      Lett.Nuovo Cim. 36, 359 (1983)

M.Baldo, F.Catara, E.G.Lanza, U.Lombardo, L.Lo Monaco

Pairing Correlation Effects on the Mass Transfer in Deep Inelastic Collisions between Heavy Ions

NUCLEAR REACTIONS 40Ca(40Ca, X), (42Ca, X), (44Ca, X), (46Ca, X), (48Ca, X), 42Ca(42Ca, X), 44Ca(44Ca, X), 46Ca(46Ca, X), 48Ca(48Ca, X), E=6.4 MeV/nucleon; calculated transferred nucleon average number, width. Deep inelastic collisions, mass transfer, pairing correlation.

doi: 10.1007/BF02747126
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1982BA71      Nucl.Phys. A391, 249 (1982)

M.Baldo, F.Catara, E.G.Lanza, U.Lombardo, L.Lo Monaco

Independent Particle Description of Mass and Charge Transfer in Deep Inelastic Collisions

NUCLEAR REACTIONS 48Ca(40Ca, X), E(cm)=128, 150 MeV; 209Bi(84Kr, X), E=714 MeV; calculated mean transferred nucleon number vs interaction time. Classical approach, time-dependent single-particle model.

doi: 10.1016/0375-9474(82)90231-7
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