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NSR database version of May 22, 2024.

Search: Author = P.F.Bortignon

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2021BO02      Phys.Rev. C 103, 014320 (2021)

S.Bottoni, N.Cieplicka-Orynczak, S.Leoni, B.Fornal, G.Colo, P.F.Bortignon, G.Bocchi, D.Bazzacco, G.Benzoni, A.Blanc, A.Bracco, S.Ceruti, F.C.L.Crespi, G.de France, E.R.Gamba, L.W.Iskra, M.Jentschel, U.Koster, C.Michelagnoli, B.Million, D.Mengoni, P.Mutti, Y.Niu, C.Porzio, G.Simpson, T.Soldner, B.Szpak, A.Turler, C.A.Ur, W.Urban

Low-spin particle-core and hole-core excitations in 41, 47, 49Ca isotopes studied by cold-neutron-capture reactions

NUCLEAR REACTIONS 40,46,48Ca(n, γ), E=cold neutrons from High Flux Reactor of ILL-Grenoble; measured Eγ, Iγ, γγ-coin, γγ(θ) using EXILL array of eight clover detectors from the EXOGAM setup, six coaxial detectors from the GASP array, and two ILL clover detectors. 41,47,49Ca; deduced levels, J, π, γ branching ratios, multipolarities, mixing ratios, S(n), configurations. Comparison with self-consistent beyond-mean-field calculations using hybrid configuration mixing model, based on a Skyrme SkX Hamiltonian.

NUCLEAR STRUCTURE 41,47,49Ca; calculated levels, J, π, wave functions and corresponding squared amplitudes, B(E3), spectroscopic factors for 49Ca levels populated in (d, p) reaction using self-consistent beyond-mean-field calculations in a hybrid configuration mixing model, based on a Skyrme SkX Hamiltonian. Comparison with experimental data.

doi: 10.1103/PhysRevC.103.014320
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2019BO19      Eur.Phys.J. A 55, 246 (2019)

P.F.Bortignon, E.E.Saperstein, M.Baldo

The effective single particle potential and the tadpole

doi: 10.1140/epja/i2019-12792-4
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2017BO09      Acta Phys.Pol. B48, 595 (2017)

G.Bocchi, S.Leoni, B.Fornal, G.Colo, P.F.Bortignon, D.Bazzacco, A.Blanc, S.Bottoni, N.Cieplicka-Orynczak, F.C.L.Crespi, G.De France, M.Jentschel, U.Koster, C.Michelagnoli, P.Mutti, J.-M.Regis, G.Simpson, T.Soldner, B.Szpak, C.A.Ur, W.Urban

Interplay Between Particle and Core Excitations in 133Sb

NUCLEAR REACTIONS 235U, 241Pu(n, f), E=cold; measured fission fragments both prompt and delayed Eγ, Iγ(t), (fragment)γ-coin, γγ-coin. 133Sb; deduced high-spin γ transitions 13/2+ and 15/2+ isomers T1/2, levels, J, π above 16.6 ms (21/2)+, state (4526 keV), B(M1) for (15/2)+ to (13/2)+ to (11/2)+, depopulation of the (21/2)+ isomer; calculated levels configuration, B(M1) for (15/2)+ to (13/2)+ to (11/2)+ using new "hybrid" microscopic model including couplings to different types of core excitation. Compared with "pure" shell model calculation.

doi: 10.5506/APhysPolB.48.595
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2017CO04      Phys.Rev. C 95, 034303 (2017)

G.Colo, P.F.Bortignon, G.Bocchi

Hybrid configuration mixing model for odd nuclei

NUCLEAR STRUCTURE 49Ca, 133Sb; calculated levels, J, π, B(M1) for 133Sb, B(E2) and B(M3) for 49Ca using SkX and SLy5 forces. 48Ca, 132Sn; calculated RPA levels, J, π, B(Eλ) and B(Mλ) for transitions to the ground states using SkX and SLy5 forces. Hybrid configuration mixing model for odd-A nuclei coupling single-particle states from HF calculations with vibrations of the core and all the excitations from RPA calculations including collective and noncollective states. Comparison with experimental values.

doi: 10.1103/PhysRevC.95.034303
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2016BO08      Eur.Phys.J. A 52, 64 (2016)

P.F.Bortignon, R.A.Broglia

Challenges in the description of the atomic nucleus: Unification and interdisciplinarity

doi: 10.1140/epja/i2016-16064-7
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2016BO19      Phys.Lett. B 760, 273 (2016)

G.Bocchi, S.Leoni, B.Fornal, G.Colo, P.F.Bortignon, S.Bottoni, A.Bracco, C.Michelagnoli, D.Bazzacco, A.Blanc, G.de France, M.Jentschel, U.Koster, P.Mutti, J.-M.Regis, G.Simpson, T.Soldner, C.A.Ur, W.Urban, L.M.Fraile, R.Lozeva, B.Belvito, G.Benzoni, A.Bruce, R.Carroll, N.Cieplicka-Orynczak, F.C.L.Crespi, F.Didierjean, J.Jolie, W.Korten, T.Kroll, S.Lalkovski, H.Mach, N.Marginean, B.Melon, D.Mengoni, B.Million, A.Nannini, D.Napoli, B.Olaizola, V.Paziy, Zs.Podolyak, P.H.Regan, N.Saed-Samii, B.Szpak, V.Vedia

The mutable nature of particle-core excitations with spin in the one-valence-proton nucleus 133Sb

NUCLEAR REACTIONS 235U, 241Pu(n, F)133Sb, E low; measured fission products, Eγ, Iγ; deduced energy levels, J, π, level T1/2, B(Eλ). Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2016.06.065
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2016BO25      Eur.Phys.J. A 52, 280 (2016)

P.F.Bortignon, R.A.Broglia

Elastic response of the atomic nucleus in gauge space: Giant Pairing Vibrations

doi: 10.1140/epja/i2016-16280-1
Citations: PlumX Metrics

2016BR15      Phys.Scr. 91, 063012 (2016)

R.A.Broglia, P.F.Bortignon, F.Barranco, E.Vigezzi, A.Idini, G.Potel

Unified description of structure and reactions: implementing the nuclear field theory program

doi: 10.1088/0031-8949/91/6/063012
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2015BA25      J.Phys.(London) G42, 085109 (2015)

M.Baldo, P.F.Bortignon, G.Colo, D.Rizzo, L.Sciacchitano

Beyond the mean field in the particle-vibration coupling scheme

NUCLEAR STRUCTURE 40Ca; calculated single-particle energy levels for the Skyrme forces SV and Sly5. Comparison with available data.

doi: 10.1088/0954-3899/42/8/085109
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2014BO12      Phys.Rev. C 89, 054302 (2014)

G.Bocchi, S.Leoni, S.Bottoni, G.Benzoni, A.Bracco, P.F.Bortignon, G.Colo, B.Belvito, C.R.Nita, N.Marginean, D.Filipescu, D.Ghita, T.Glodariu, R.Lica, R.Marginean, C.Mihai, A.Negret, T.Sava, L.Stroe, S.Toma, D.Bucurescu, I.Georghe, R.Suvaila, D.Deleanu, C.A.Ur, S.Aydin

Probing particle-phonon-coupled states in the neutron-rich nucleus 65Cu by lifetime measurements with fast-timing techniques

NUCLEAR REACTIONS 64Ni(7Li, 2nα), (7Li, 3n), E=32 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by fast-timing technique. 65Cu, 68Ga; deduced levels, B(E3), configuration. Comparison with particle-vibration (weak) coupling model calculations.

doi: 10.1103/PhysRevC.89.054302
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2014CA07      Phys.Rev. C 89, 044314 (2014)

L.-G.Cao, G.Colo, H.Sagawa, P.F.Bortignon

Properties of single-particle states in a fully self-consistent particle-vibration coupling approach

NUCLEAR STRUCTURE 40Ca, 208Pb; calculated levels, J, π, B(Eλ), energies of neutron single-particle states, spectroscopic factors, effective neutron mass around Fermi surface. Fully self-consistent particle-vibration coupling (PVC) approach within the framework of Skyrme energy density functional theory with SLy5 and T44 parameter sets, and random phase approximation for phonons. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.044314
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2014CO20      Phys.Scr. 89, 054006 (2014)

G.Colo, P.F.Bortignon, M.Brenna, X.Roca-Maza, E.Vigezzi, K.Moghrabi, M.Grasso, K.Mizuyama

Progress in nuclear structure beyond the mean-field approximation

NUCLEAR STRUCTURE 39,41Ca; calculated level density, spectroscopic factor, strength functions using nuclear density functional theory with particle-vibration coupling and other extensions. Compared with available data.

doi: 10.1088/0031-8949/89/5/054006
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2013BR03      Phys.Scr. T154, 014020 (2013)

M.Brenna, X.Roca-Maza, G.Colo, P.F.Bortignon, K.Mizuyama, G.Pozzi

Low-lying dipole response in stable and unstable nuclei

NUCLEAR STRUCTURE 68Ni, 132Sn, 208Pb; calculated total energy and rms charge radii, dipole response and strength functions, neutron and proton transition densities, RPA-pygmy states. Skyrme Hartree-Fock plus random phase approximation (RPA) predictions.

doi: 10.1088/0031-8949/2013/T154/014020
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2013RO08      Phys.Rev. C 87, 034301 (2013)

X.Roca-Maza, M.Brenna, B.K.Agrawal, P.F.Bortignon, G.Colo, L.-G.Cao, N.Paar, D.Vretenar

Giant quadrupole resonances in 208Pb, the nuclear symmetry energy, and the neutron skin thickness

NUCLEAR STRUCTURE 208Pb; calculated strength functions, neutron and proton transition densities, excitation energies of isoscalar and isovector giant quadrupole resonance (ISGQR and IVGQR), neutron skin thickness, symmetry energy. Macroscopic approach based on quantal harmonic oscillator model, and microscopic approach based on nonrelativistic and covariant energy density functionals (EDF) within the RPA. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.034301
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2012BR02      Phys.Rev. C 85, 014305 (2012)

M.Brenna, G.Colo, P.F.Bortignon

Microscopic theory of the γ decay of nuclear giant resonances

NUCLEAR STRUCTURE 90Zr, 208Pb; calculated energy of isoscalar giant quadrupole resonance (ISGQR), gamma decay width to ground state and the first low-lying octupole vibration, effect of intermediate dipole states on γ-decay width. Single particle states obtained within HF, vibrations using fully self-consistent RPA, and whole Skyrme force at the particle vibration vertices. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.014305
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2012LE19      J.Phys.:Conf.Ser. 381, 012046 (2012)

S.Leoni, D.Montanari, G.Benzoni, G.Bocchi, S.Bottoni, A.Bracco, P.F.Bortignon, P.Casati, G.Colo, F.C.L.Crespi, D.Mengoni, J.J.Valiente-Dobon

Complete γ-spectroscopy of n-rich nuclei around 48Ca with Multi-Nucleon Transfer reactions

NUCLEAR REACTIONS 64Ni(48Ca, X), E=282 MeV; measured Eγ, Iγ using CLARA HPGe array, reaction products using magnetic spectrometer PRISMA, (particle)γ-coin; calculated B(E3). 47,48,49,50Ca deduced unnormalized σ(Eγ, θ), γ transitions, polarization for selected γ transitions, Doppler corrected γ-ray spectrum, T1/2 for selected γ transitions.

doi: 10.1088/1742-6596/381/1/012046
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2012MO11      Phys.Rev. C 85, 044301 (2012)

D.Montanari, S.Leoni, D.Mengoni, J.J.Valiente-Dobon, G.Benzoni, N.Blasi, G.Bocchi, P.F.Bortignon, S.Bottoni, A.Bracco, F.Camera, P.Casati, G.Colo, A.Corsi, F.C.L.Crespi, B.Million, R.Nicolini, O.Wieland, D.Bazzacco, E.Farnea, G.Germogli, A.Gottardo, S.M.Lenzi, S.Lunardi, R.Menegazzo, G.Montagnoli, F.Recchia, F.Scarlassara, C.Ur, L.Corradi, G.de Angelis, E.Fioretto, D.R.Napoli, R.Orlandi, E.Sahin, A.M.Stefanini, R.P.Singh, A.Gadea, S.Szilner, M.Kmiecik, A.Maj, W.Meczynski, A.Dewald, Th.Pissulla, G.Pollarolo

γ spectroscopy of calcium nuclei around doubly magic 48Ca using heavy-ion transfer reactions

NUCLEAR REACTIONS 64Ni(48Ca, X), E=282 MeV; 208Pb(48Ca, X), E=310 MeV; measured Eγ, Iγ, (fragment)γ-coin, γ(θ), γ(linear pol), level half-lives by RDDS method, mass spectra of calcium isotopes in coin with γ rays. PRISMA-CLARA setup at LNL, INFN facility. 46,47,49,50Ca, 51Sc; deduced levels, J, π, multipolarities, attenuation parameter for γ(θ), B(E1), B(E2), B(M1), B(M2), B(E3). Comparison with Hartree-Fock (HF), particle (hole)-phonon model, and full fp shell model calculations.

doi: 10.1103/PhysRevC.85.044301
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2012NI03      Phys.Rev. C 85, 034314 (2012)

Y.F.Niu, G.Colo, M.Brenna, P.F.Bortignon, J.Meng

Gamow-Teller response within Skyrme random-phase approximation plus particle-vibration coupling

NUCLEAR STRUCTURE 60Ni; calculated low-lying phonon levels, reduced transition probabilities. 56,60Ni, 208Pb; calculated energies and widths of Gamow-Teller states, Gamow-Teller strength distributions with Skyrme random-phase approximation plus particle-vibration coupling. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.034314
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2011MO02      Phys.Lett. B 697, 288 (2011)

D.Montanari, S.Leoni, D.Mengoni, G.Benzoni, N.Blasi, G.Bocchi, P.F.Bortignon, A.Bracco, F.Camera, G.Colo, A.Corsi, F.C.L.Crespi, B.Million, R.Nicolini, O.Wieland, J.J.Valiente-Dobon, L.Corradi, G.de Angelis, F.Della Vedova, E.Fioretto, A.Gadea, D.R.Napoli, R.Orlandi, F.Recchia, E.Sahin, R.Silvestri, A.M.Stefanini, R.P.Singh, S.Szilner, D.Bazzacco, E.Farnea, R.Menegazzo, A.Gottardo, S.M.Lenzi, S.Lunardi, G.Montagnoli, F.Scarlassara, C.Ur, G.Lo Bianco, A.Zucchiatti, M.Kmiecik, A.Maj, W.Meczynski, A.Dewald, Th.Pissulla, G.Pollarolo

Probing the nature of particle-core couplings in 49Ca with γ spectroscopy and heavy-ion transfer reactions

NUCLEAR REACTIONS 48Ca(64Ni, X)49Ca/50Ca, E=282 MeV; measured reaction products, Eγ, Iγ; deduced deduced level scheme, J, π, B(E2). Comparison with shell model calculations, KB3G effective interaction.

doi: 10.1016/j.physletb.2011.01.046
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2010CA11      Phys.Rev. C 81, 041301 (2010)

A.Carbone, G.Colo, A.Bracco, L.-G.Cao, P.F.Bortignon, F.Camera, O.Wieland

Constraints on the symmetry energy and neutron skins from pygmy resonances in 68Ni and 132Sn

NUCLEAR STRUCTURE 68Ni, 132Sn, 208Pb; calculated dipole strength function, neutron symmetry energy, neutron skin radius, and EWSR from pygmy dipole resonances using random-phase approximation (RPA). Comparison with experimental data.

doi: 10.1103/PhysRevC.81.041301
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2010CO16      Phys.Rev. C 82, 064307 (2010)

G.Colo, H.Sagawa, P.F.Bortignon

Effect of particle-vibration coupling on single-particle states: A consistent study within the Skyrme framework

NUCLEAR STRUCTURE 40Ca, 208Pb; calculated level energies, B(E2), B(E3), energy shift of f7/2 state in 40Ca, and single-particle neutron energies using particle-vibration coupling (PVC) approach with Skyrme effective interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.82.064307
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2009CA32      Phys.Rev. C 80, 064304 (2009)

L.-G.Cao, G.Colo, H.Sagawa, P.F.Bortignon, L.Sciacchitano

Effects of the tensor force on the multipole response in finite nuclei

NUCLEAR STRUCTURE 40,48Ca, 208Pb; calculated isoscalar quadrupole (2+), isoscalar octupole (3-), and isoscalar and isovector magnetic-dipole (1+) strength functions using self-consistent random phase approximation (RPA) model with Skyrme interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.80.064304
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2008CO06      Eur.Phys.J. Special Topics 156, 229 (2008)

G.Colo, P.F.Bortignon

Nonrelativistic nuclear energy functionals

doi: 10.1140\epjst/e2008-00620-4
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2008ZO01      Phys.Rev. C 77, 014314 (2008)

W.Zou, G.Colo, Z.Ma, H.Sagawa, P.F.Bortignon

Tensor correlations and evolution of single-particle energies in medium-mass nuclei

NUCLEAR STRUCTURE 40,42,44,46,48Ca; calculated energy differences between states. 46Ar, 48Ca; calculated spin-orbit splittings, single particle energies using Skyrme model with tensor forces. Compared with experiment and with Skyrme model without tensor force.

doi: 10.1103/PhysRevC.77.014314
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2007BA40      Prog.Part.Nucl.Phys. 59, 467 (2007)

S.Baroni, F.Barranco, P.F.Bortignon, R.A.Broglia, G.Colo, E.Vigezzi

Correlation energy contribution to nuclear masses

doi: 10.1016/j.ppnp.2007.01.008
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2007BA56      Phys.Atomic Nuclei 70, 1375 (2007)

S.Baroni, F.Barranco, P.-F.Bortignon, R.A.Broglia, G.Colo, E.Vigezzi

Binding energies and medium polarization effects

NUCLEAR STRUCTURE A=16-214; calculated ground state, binding and correlation energies for even-even nuclei using HF approximation and by taking into account medium polarization effects associated with surface and pairing vibrations.

doi: 10.1134/S1063778807080091
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2007BR14      Acta Phys.Pol. B38, 1129 (2007)

R.A.Broglia, S.Baroni, F.Barranco, P.F.Bortignon, G.Potel, A.Pastore, E.Vigezzi, F.Marini

Induced Pairing Interaction in Nuclei and in Neutron Stars

2007CO06      Phys.Lett. B 646, 227 (2007)

G.Colo, H.Sagawa, S.Fracasso, P.F.Bortignon

Spin-orbit splitting and the tensor component of the Skyrme interaction

NUCLEAR STRUCTURE 106,108,110,112,114,116,118,120,122,124,126,128,130,132Sn, 134Te, 136Xe, 138Ba, 140Ce, 142Nd, 144Sm, 146Gd, 148Dy, 150Er; calculated single-particle energy differences. Skyrme effective interaction with tensor term. Comparison with data.

doi: 10.1016/j.physletb.2007.01.033
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2007CO24      Nucl.Phys. A788, 173c (2007)

G.Colo, P.F.Bortignon, S.Fracasso, N.Van Giai

What can we learn from recent non-relativistic mean field calculations?

NUCLEAR STRUCTURE 120,132Sn, 208Pb; calculated low-lying states level energy, B(E2), GDR. Fully self-consistent quasi-particle RPA model, comparisons with Gogny forces, relativistic mean field Lagrangians and data.

doi: 10.1016/j.nuclphysa.2007.01.079
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2006BA50      Phys.Rev. C 74, 024305 (2006)

S.Baroni, F.Barranco, P.F.Bortignon, R.A.Broglia, G.Colo, E.Vigezzi

Medium polarization isotopic effects on nuclear binding energies

NUCLEAR STRUCTURE O, Si, S, Ar, Ca, Ti, Fe, Se, Kr, Sr, Zr, Mo, Sn, Te, Xe, Ba, Ce, Sm, Hg, Pb, Po; analyzed ground-state energies, medium polarization effects associated with collective surface and pairing vibrations.

doi: 10.1103/PhysRevC.74.024305
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2006BR28      Phys.Scr. T125, 94 (2006)

R.A.Broglia, F.Barranco, P.F.Bortignon, G.Colo, E.Vigezzi

Pairing correlations in nuclei: bare, induced and effective interactions

NUCLEAR STRUCTURE 120Sn; calculated pairing correlations, related features. Bare nucleon-nucleon interaction and induced interaction due to phonon exchange.

doi: 10.1088/0031-8949/2006/T125/021
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2005BA99      Phys.Rev. C 72, 054314 (2005)

F.Barranco, P.F.Bortignon, R.A.Broglia, G.Colo, P.Schuck, E.Vigezzi, X.Vinas

Pairing matrix elements and pairing gaps with bare, effective, and induced interactions

NUCLEAR STRUCTURE 120Sn; calculated state-dependent pairing gaps. Gogny force, bare, effective, and induced interactions.

doi: 10.1103/PhysRevC.72.054314
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2005BR11      Nucl.Phys. A752, 345c (2005)

R.A.Broglia, F.Barranco, P.F.Bortignon, G.Colo, E.Vigezzi

Particle-vibration coupling in halo nuclei

NUCLEAR STRUCTURE 10,11Li, 11,12Be, 13C, 15O; calculated single-particle energies, polarization effects from particle-vibration coupling. 11,12Be; calculated spectroscopic factors. 11Li; calculated two-neutron separation energy, radius.

doi: 10.1016/j.nuclphysa.2005.02.043
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2005GO28      Phys.Rev. C 72, 011302 (2005)

G.Gori, F.Ramponi, F.Barranco, P.F.Bortignon, R.A.Broglia, G.Colo, E.Vigezzi

Attractive and repulsive contributions of medium fluctuations to nuclear superfluidity

doi: 10.1103/PhysRevC.72.011302
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2005KU33      Prog.Theor.Phys.(Kyoto) 114, 805 (2005)

H.Kurasawa, T.Suzuki, P.F.Bortignon

Sum Rules of the Multiple Giant Resonance States

doi: 10.1143/PTP.114.805
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2005PE21      Eur.Phys.J. A 26, 25 (2005)

S.Peru, J.F.Berger, P.F.Bortignon

Giant resonances in exotic spherical nuclei within the RPA approach with the Gogny force

NUCLEAR STRUCTURE 78Ni, 100,132Sn, 208Pb; calculated giant resonance energies, strength distributions, related features. Gogny force, RPA approach.

doi: 10.1140/epja/i2005-10149-4
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2004BA59      Eur.Phys.J. A 21, 57 (2004)

F.Barranco, R.A.Broglia, G.Colo, G.Gori, E.Vigezzi, P.F.Bortignon

Many-body effects in nuclear structure

NUCLEAR STRUCTURE 120Sn; calculated levels, J, π, state-dependent pairing gap.

doi: 10.1140/epja/i2003-10185-0
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2004BO36      Yad.Fiz. 67, 1667 (2004); Phys.Atomic Nuclei 67, 1640 (2004)

P.F.Bortignon, F.Barranco, R.A.Broglia, G.Colo, E.Vigezzi

Mean Field and Beyond in Nuclei Far from Stability Lines

NUCLEAR STRUCTURE 120Sn; calculated state-dependent pairing gap, static quadrupole moment.

doi: 10.1134/1.1802350
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2004BR17      Eur.Phys.J. A 20, 81 (2004)

R.A.Broglia, F.Barranco, G.Colo, G.Gori, E.Vigezzi, P.F.Bortignon

Pairing in exotic and in stable nuclei

NUCLEAR STRUCTURE 10,11Li, 11,12Be; calculated single-particle energies, configurations, related features.

doi: 10.1140/epja/i2002-10326-y
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2004SA49      Phys.Lett. B 601, 27 (2004)

D.Sarchi, P.F.Bortignon, G.Colo

Dipole states in stable and unstable nuclei

NUCLEAR STRUCTURE 120,132Sn, 208Pb; calculated dipole strength distributions, GDR features.

doi: 10.1016/j.physletb.2004.09.019
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2003BO40      Nucl.Phys. A722, 379c (2003)

P.F.Bortignon, F.Barranco, R.A.Broglia, G.Colo, G.Gori, E.Vigezzi

Collective aspects of pairing interaction in nuclei

doi: 10.1016/S0375-9474(03)01393-9
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2003CO20      Nucl.Phys. A722, 111c (2003)

G.Colo, P.F.Bortignon, D.Sarchi, D.T.Khoa, E.Khan, N.Van Giai

Excited states of neutron-rich nuclei: mean field theory and beyond

NUCLEAR STRUCTURE 132Sn; calculated GDR transition densities, dipole strength distribution. 120,122,124,126,128,130,132,134Sn; calculated level energies, B(E2), B(E3). Quasiparticle RPA.

NUCLEAR REACTIONS 32S(p, p'), E=53 MeV; 38S(p, p'), E=39 MeV; calculated σ(θ), isoscalar and isovector components. Comparison with data.

doi: 10.1016/S0375-9474(03)01345-9
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2003CO23      Acta Phys.Pol. B34, 2175 (2003)

G.Colo, P.f.Bortignon, D.Sarchi, E.Vigezzi

Mean field plus particle-vibration coupling in stable and exotic nuclei

NUCLEAR STRUCTURE 132Sn; calculated single-particle states. 22O; calculated photoabsorption σ, particle-vibration coupling effects. 120,122,124,126,128,130,132,134Sn; calculated level energies, B(E2), B(E3). Self-consistent mean-field approach.

2003GI09      Nucl.Phys. A726, 3 (2003)

G.Giambrone, S.Scheit, F.Barranco, P.F.Bortignon, G.Colo, D.Sarchi, E.Vigezzi

Collective excitations in superfluid nuclei with finite-range interactions

NUCLEAR STRUCTURE 16,17,18,19,20,21,22,23,24,26O, 56,58,60,62,64,66,68Ni, 100,102,112,116,120,124,130,132Sn; calculated binding energies, radii, density, pairing energy, transitions B(E2). 56,58,60,62,64,66,68Ni, 112,116,120,124Sn; calculated GQR energy, strength distributions. Quasiparticle RPA, Gogny force, comparison with data.

doi: 10.1016/S0375-9474(03)01602-6
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2002CO29      Prog.Theor.Phys.(Kyoto), Suppl. 146, 543 (2002)

G.Colo, P.F.Bortignon

Microscopic Models for the Particle-Vibration Coupling in Exotic Nuclei

NUCLEAR STRUCTURE 18,20,22O; calculated photoabsorption σ, dipole response.

NUCLEAR REACTIONS 18,20,22O(γ, X), E < 15 MeV; calculated photoabsorption σ.

2002TE01      Nucl.Phys. A697, 127 (2002)

J.Terasaki, F.Barranco, R.A.Broglia, E.Vigezzi, P.F.Bortignon

Solution of the Dyson Equation for Nucleons in the Superfluid Phase

doi: 10.1016/S0375-9474(01)01239-8
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2002TE13      Prog.Theor.Phys.(Kyoto) 108, 495 (2002)

J.Terasaki, F.Barranco, E.Vigezzi, R.A.Broglia, P.F.Bortignon

Effect of Particle-Phonon Coupling on Pairing Correlations in Finite Systems - The Atomic Nucleus -

NUCLEAR STRUCTURE 120Sn; calculated pairing gaps, spectral functions, particle-phonon coupling effects.

doi: 10.1143/PTP.108.495
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2001BA89      Eur.Phys.J. A 11, 385 (2001)

F.Barranco, P.F.Bortignon, R.A.Broglia, G.Colo, E.Vigezzi

The Halo of the Exotic Nucleus 11Li: A single Cooper pair

NUCLEAR STRUCTURE 11Li; calculated levels, J, π, wave functions, configurations. Halo nuclei, BCS model.

doi: 10.1007/s100500170050
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2001BO21      Nucl.Phys. A687, 329c (2001)


Spreading of Giant Resonances-Current Status and Perspective

doi: 10.1016/S0375-9474(01)00639-X
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2001BO37      Yad.Fiz. 64, No 6, 1103 (2001); Phys.Atomic Nuclei 64, 1027 (2001)


Nuclear Structure at Finite Temperature: A review

doi: 10.1134/1.1383610
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2001CO11      Nucl.Phys. A687, 282c (2001)

G.Colo, P.F.Bortignon

Damping of Giant Resonances Due to Particle-Phonon Coupling

NUCLEAR STRUCTURE 18,20O; calculated dipole σ vs γ energy, GDR features. Hartree-Fock, RPA, comparison with data.

doi: 10.1016/S0375-9474(01)00633-9
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2001CO17      Yad.Fiz. 64, No 6, 1119 (2001); Phys.Atomic Nuclei 64, 1044 (2001)

G.Colo, N.Van Giai, P.F.Bortignon, M.R.Quaglia

Compression Modes in Nuclei: RPA and QRPA predictions with Skyrme interactions

NUCLEAR STRUCTURE 90Zr, 116Sn, 144Sm, 208Pb; calculated isoscalar GDR strength distributions, isoscalar monopole resonances mean energies. Self-consistent RPA and quasiparticle RPA with Skyrme interactions.

doi: 10.1134/1.1383614
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2001CO24      Nucl.Phys. A696, 427 (2001)

G.Colo, P.F.Bortignon

QRPA Plus Phonon Coupling Model and the Photoabsorption Cross Section for 18, 20, 22O

NUCLEAR STRUCTURE 18,20,22O; calculated electric dipole strength distributions. Quasiparticle RPA plus phonon coupling model.

NUCLEAR REACTIONS 18,20,22O(γ, X), E < 40 MeV; calculated photoabsorption σ. Quasiparticle RPA plus phonon coupling model.

doi: 10.1016/S0375-9474(01)01217-9
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2001GO11      Acta Phys.Pol. B32, 767 (2001)

G.Gori, R.A.Broglia, F.Barranco, G.Colo, E.Vigezzi, P.F.Bortignon, J.Terasaki

Induced Pairing Interaction in Nuclei

NUCLEAR STRUCTURE 106,108,110,112,114Cd; calculated pairing interaction features, role of low-lying collective surface vibrations.

2001NG01      Nucl.Phys. A687, 44c (2001)

V.G.Nguyen, P.F.Bortignon, G.Colo, Z.Ma, M.Quaglia

Compression Modes in Nuclei: Theoretical approaches

NUCLEAR STRUCTURE 90Zr, 118Sn, 144Sm, 208Pb; calculated Isoscalar Giant Monopole resonance and Isoscalar Giant Dipole resonance strength distributions, parameters. Random Phase Approximation approach, comparison with data.

doi: 10.1016/S0375-9474(01)00599-1
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2001PO11      Nucl.Phys. A687, 170c (2001)

V.Yu.Ponomarev, P.F.Bortignon, R.A.Broglia, V.V.Voronov

Microscopic Studies of Multi-Phonon Resonances

NUCLEAR STRUCTURE 40Ca, 58Ni, 86Kr, 120Sn, 136Xe, 208Pb; calculated GDR and double GDR parameters, B(E1) strength distributions, energy weighted sum rules. Mean field plus multipole-multipole model.

doi: 10.1016/S0375-9474(01)00617-0
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2000BO23      Acta Phys.Pol. B31, 335 (2000)

P.F.Bortignon, G.Colo, P.Donati, R.A.Broglia

Description of Nuclear Excitations Beyond the Mean Field

2000BR49      Phys.Scr. T88, 173 (2000)

R.A.Broglia, G.Colo, F.Barranco, G.Gori, E.Vigezzi, J.Terasaki, P.F.Bortignon, N.Breda

Pairing in Finite Systems: Nuclei and Fullerenes

doi: 10.1238/Physica.Topical.088a00173
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2000CO21      Phys.Lett. 485B, 362 (2000)

G.Colo, N.Van Giai, P.F.Bortignon, M.R.Quaglia

On Dipole Compression Modes in Nuclei

NUCLEAR STRUCTURE 90Zr, 116Sn, 144Sm, 208Pb; calculated isoscalar GDR strength distributions. RPA calculations, Skyrme-type interactions. Comparisons with data.

doi: 10.1016/S0370-2693(00)00725-5
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2000DO07      Phys.Rev.Lett. 84, 4317 (2000)

P.Donati, T.Dossing, Y.R.Shimizu, S.Mizutori, P.F.Bortignon, R.A.Broglia

Effective Nucleon Mass in Deformed Nuclei

NUCLEAR STRUCTURE 168Yb; calculated nucleon effective mass vs rotational frequency. 169Yb; calculated quadrupole RPA response functions.

doi: 10.1103/PhysRevLett.84.4317
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2000GE03      Eur.Phys.J. A 7, 361 (2000)

N.Gelli, F.Lucarelli, M.Cinausero, E.Fioretto, G.Prete, D.Fabris, M.Lunardon, G.Nebbia, G.Viesti, D.Bazzacco, C.A.Ur, D.R.Napoli, P.Pavan, C.Rossi Alvarez, P.F.Bortignon, E.M.Fiore, L.Fiore, V.Paticchio, B.Fornal

Inclusive and Exclusive Measurements of High Energy γ-Rays in the 101 MeV 19F + 181Ta Fusion Reaction

NUCLEAR REACTIONS 181Ta(19F, X)195Pb/196Pb, E=101 MeV; measured Eγ, γγ-coin, inclusive and coincident GDR spectra. 200Pb deduced deformation at high values of excitation energy and angular momentum.

doi: 10.1007/s100500050403
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2000PO14      Phys.Rev.Lett. 85, 1400 (2000)

V.Yu.Ponomarev, P.F.Bortignon, R.A.Broglia, V.V.Voronov

Anharmonic Properties of the Double Giant Dipole Resonance

NUCLEAR STRUCTURE 40Ca, 58Ni, 86Kr, 120Sn, 136Xe, 208Pb; calculated GDR and double-GDR strength distribution, EWSR, anharmonicity shift, double-GDR energy shift relative to harmonic value and its mass dependence. One and Two phonon basis calculations.

doi: 10.1103/PhysRevLett.85.1400
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2000SU02      Nucl.Phys. A662, 282 (2000)

T.Suzuki, H.Sagawa, P.F.Bortignon

Shell-Model Study of Electric Dipole and Spin-Dipole Strengths in 11Li

NUCLEAR STRUCTURE 11Li; calculated electric dipole, spin-dipole strength distributions; deduced possible soft dipole mode, giant resonance. 9Li, 10He; calculated electric dipole strength distributions. Shell model.

doi: 10.1016/S0375-9474(99)00364-4
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1999BA78      Phys.Rev.Lett. 83, 2147 (1999)

F.Barranco, R.A.Broglia, G.Gori, E.Vigezzi, P.F.Bortignon, J.Terasaki

Surface Vibrations and the Pairing Interaction in Nuclei

NUCLEAR STRUCTURE 120Sn; calculated state-dependent pairing gap. Ca, Ti, Sn; calculated average neutron pairing gaps; deduced role of surface vibration induced pairing interaction. Comparisons with data.

doi: 10.1103/PhysRevLett.83.2147
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1999BE43      Nucl.Phys. A657, 59 (1999)

G.F.Bertsch, P.F.Bortignon, K.Hagino

Anharmonic Collective Excitation in a Solvable Model

doi: 10.1016/S0375-9474(99)00326-7
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1999CO16      Nucl.Phys. A649, 335c (1999)

G.Colo, P.F.Bortignon, R.A.Broglia

Response Function Beyond Mean Field of Neutron-Rich Nuclei

NUCLEAR STRUCTURE 28O; calculated isoscalar dipole, quadrupole, octupole strength distributions, optical potential features.

doi: 10.1016/S0375-9474(99)00081-0
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1999DO08      Nucl.Phys. A649, 25c (1999)

P.Donati, T.Dossing, Y.R.Shimizu, P.F.Bortignon, R.A.Broglia

Self-Energy of Single-Particle States in Deformed, Rapidly Rotating Nuclei

doi: 10.1016/S0375-9474(99)00034-2
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1999DO12      Nucl.Phys. A653, 27 (1999)

P.Donati, T.Dossing, Y.R.Shimizu, P.F.Bortignon, R.A.Broglia

A Complex Integration Technique to Remove Spurious States Associated with Spontaneously Broken Symmetries in RPA Calculations

NUCLEAR STRUCTURE 168Yb; calculated RPA response functions. Method for removal of spurious states.

doi: 10.1016/S0375-9474(99)00155-4
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1999DO15      Nucl.Phys. A653, 225 (1999)

P.Donati, T.Dossing, Y.R.Shimizu, P.F.Bortignon, R.A.Broglia

Nucleon-Phonon Coupling in Hot, Rapidly Rotating Nuclei (I)

doi: 10.1016/S0375-9474(99)00242-0
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1999GI09      Nucl.Phys. A649, 197c (1999)

N.Giovanardi, P.F.Bortignon, R.A.Broglia

Damping of Single-Particle States and Giant Resonances at Finite Temperature

doi: 10.1016/S0375-9474(99)00060-3
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1998AU05      Ann.Rev.Nucl.Part.Sci. 48, 351 (1998)

T.Aumann, P.F.Bortignon, H.Emling

Multiphonon Giant Resonances in Nuclei

doi: 10.1146/annurev.nucl.48.1.351
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1998CI07      Acta Phys.Hung.N.S. 7, 375 (1998)

M.Cinausero, N.Gelli, L.H.Zhu, G.Viesti, F.Lucarelli, P.F.Bortignon, D.Bazzacco, M.Braguti, A.Brondi, G.de Angelis, M.De Poli, D.Fabris, E.M.Fiore, L.Fiore, E.Fioretto, B.Fornal, A.Gadea, G.La Rana, S.Lunardi, M.Lunardon, N.H.Medina, R.Moro, D.R.Napoli, G.Nebbia, V.Paticchio, C.M.Petrache, G.Prete, C.Rossi Alvarez, E.Vardaci

The γ-Ray Emission as a Probe of Entrance Channel Effects in Fusion-Evaporation Reactions

NUCLEAR REACTIONS 98Mo(16O, X), E=130 MeV; 64Ni(48Ti, X), E=240 MeV; measured Eγ, Iγ; deduced entrance channel effects, statistical vs GDR associated γ yields. 100Mo(48Ti, xnypzα), E=215 MeV; 74Ge(74Ge, xnypzα), E=318 MeV; measured Eγ, Iγ, γγ-coin; deduced evaporation residue yields, entrance channel effects.

1998CI11      Nuovo Cim. 111A, 613 (1998)

M.Cinausero, N.Gelli, G.Viesti, F.Lucarelli, D.Bazzacco, P.F.Bortignon, A.Brondi, D.Fabris, E.Farnea, E.M.Fiore, L.Fiore, E.Fioretto, B.Fornal, G.La Rana, M.Lunardon, D.R.Napoli, G.Nebbia, V.Paticchio, G.Prete, C.Rossi Alvarez, C.A.Ur, E.Vardaci

Giant Dipole Emission in N/Z Asymmetric Heavy-Ion Reactions

NUCLEAR REACTIONS 98Mo(16O, X), (16O, 5np), E=130 MeV; 64Ni(48Ti, X), (48Ti, 5np), E=240 MeV; measured Eγ, Iγ, γγ-coin; deduced compound nucleus GDR enhancement, entrance channel effects. GASP array, large-volume BGO.

1998CO12      Phys.Rev. C57, 3049 (1998)

G.Colo, H.Sagawa, N.Van Giai, P.F.Bortignon, T.Suzuki

Widths of Isobaric Analog Resonances: A microscopic approach

NUCLEAR STRUCTURE 208Bi; calculated isobaric analog resonance width. Microscopic approach.

doi: 10.1103/PhysRevC.57.3049
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1998GI13      Nucl.Phys. A641, 95 (1998)

N.Giovanardi, P.F.Bortignon, R.A.Broglia

Damping of Giant Dipole Resonances at Finite Temperature

doi: 10.1016/S0375-9474(98)00466-7
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1998SA62      Phys.Lett. 444B, 1 (1998)

H.Sagawa, P.F.Bortignon, G.Colo

Restoration of Isospin Symmetry in Highly Excited Nuclei

NUCLEAR STRUCTURE 208Pb; calculated isospin mixing vs temperature; deduced resotoration of isospin symmetry at high excitation energy.

doi: 10.1016/S0370-2693(98)01371-9
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1998VA12      Eur.Phys.J. A 2, 55 (1998)

E.Vardaci, G.La Rana, A.Brondi, R.Moro, A.Principe, D.Fabris, G.Nebbia, G.Viesti, M.Cinausero, E.Fioretto, G.Prete, F.Lucarelli, E.M.Fiore, L.Fiore, V.Paticchio, P.F.Bortignon

Alpha Particle Emission from the 198Pb Compound Nucleus: Comparison between the fusion-evaporation and the pre-scission channels

NUCLEAR REACTIONS 170Er(28Si, αX), E=165, 185 MeV; measured α spectra, (evaporation residue)α-coin. Comparison of fusion-evaporation, pre-scission channels results.

doi: 10.1007/s100500050090
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1997BI07      Phys.Rev. C56, R1675 (1997)

M.Bianchetti, M.R.Quaglia, G.Colo, P.M.Pizzochero, R.A.Broglia, P.F.Bortignon

Competition between Particle-Hole and Particle-Particle Correlations in Forbidden Electron Capture: The case of 123Te

RADIOACTIVITY 123Te(EC); calculated K-electron capture T1/2 lower limit. Proton-neutron QRPA, Skyrme effective interactions.

doi: 10.1103/PhysRevC.56.R1675
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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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1997FI06      Nucl.Phys. A620, 71 (1997)

L.Fiore, G.D'Erasmo, D.Di Santo, L.Celano, N.Colonna, E.M.Fiore, A.Pantaleo, V.Paticchio, G.Tagliente, G.Viesti, D.Fabris, G.Nebbia, M.Cinausero, E.Fioretto, G.Prete, A.Brondi, G.La Rana, R.Moro, E.Vardaci, F.Lucarelli, P.F.Bortignon

Pre-Scission Emission and Evaporation Residues Survival Probability in the Reaction 37Cl + 120Sn at 187 MeV

NUCLEAR REACTIONS 120Sn(37Cl, F), E=187 MeV; measured fission (fragment)(light particle)-coin, neutron prescission multiplicity; deduced pre-scission emission, evaporation residues survival probability related features.

doi: 10.1016/S0375-9474(97)00154-1
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1997OR02      Nucl.Phys. A614, 217 (1997)

W.E.Ormand, P.F.Bortignon, R.A.Broglia, A.Bracco

Behavior of the Giant-Dipole Resonance in 120Sn and 208Pb at High Excitation Energy

NUCLEAR STRUCTURE 208Pb; calculated Nilsson-Strutinsky shell corrections to free energy, moments of inertia, GDR strength function vs temperature, particle evaporation width. 120Sn; calculated GDR strength function vs temperature.

doi: 10.1016/S0375-9474(96)00464-2
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1997OR05      Nucl.Phys. A618, 20 (1997)

W.E.Ormand, P.F.Bortignon, R.A.Broglia

Effects of Angular Momentum Projection on the Nuclear Partition Function and the Observation of the Giant-Dipole Resonance in Hot Nuclei

NUCLEAR STRUCTURE 106Sn, 208Pb; calculated GDR associated σ(Eγ), a2 coefficients vs Eγ. Different angular momentum projection methods.

doi: 10.1016/S0375-9474(97)00027-4
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1996BO23      Phys.Rev. C54, 2088 (1996)

P.F.Bortignon, N.Van Giai

Comment on ` Continuum Tamm-Dancoff Approximation Calculations for the Escape Widths of the Isobaric Analog State and Gamow-Teller Resonance in 208Bi '

NUCLEAR STRUCTURE 209Bi; analyzed IAS, Gamow-Teller resonances escape widths predictions; deduced model inconsistenties. Other conclusions validity questioned.

doi: 10.1103/PhysRevC.54.2088
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1996CI02      Nucl.Phys. A599, 111c (1996)

M.Cinausero, D.Bazzacco, P.F.Bortignon, G.De Angelis, D.Fabris, E.M.Fiore, L.Fiore, E.Fioretto, B.Fornal, N.Gelli, M.Lops, F.Lucarelli, S.Lunardi, G.Nebbia, V.Paticchio, G.Prete, C.Rossi-Alvarez, G.Viesti

Giant Dipole Resonance Studied with GASP

NUCLEAR REACTIONS 92Zr(64Ni, X), E=241 MeV; measured γγ-coin. 156Er deduced GDR, parameters.

doi: 10.1016/0375-9474(96)00052-8
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1996DO08      Z.Phys. A354, 249 (1996)

P.Donati, P.F.Bortignon, R.A.Broglia

Temperature Dependence of the Damping Width of Single-Particle States in Hot Nuclei

NUCLEAR STRUCTURE 98Mo, 64Zn; calculated single-particle states damping width vs temperature. Hot nuclei.

doi: 10.1007/s002180050041
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1996DO17      Phys.Lett. 383B, 15 (1996)

P.Donati, N.Giovanardi, P.F.Bortignon, R.A.Broglia

Damping of Nuclear Motion in Hot Nuclei

NUCLEAR STRUCTURE 120Sn; calculated GDR damping width; deduced temperature dependence related features.

doi: 10.1016/0370-2693(96)00568-0
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1996GH05      Phys.Rev. C54, R2143 (1996)

F.Ghielmetti, G.Colo, E.Vigezzi, P.F.Bortignon, R.A.Broglia

Spectral Line Shape of Exotic Nuclei

NUCLEAR STRUCTURE 28O; calculated quadrupole strength function, density distribution, nucleon single particle levels. Continuum RPA, Skyrme interaction.

doi: 10.1103/PhysRevC.54.R2143
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1996GI06      Phys.Rev.Lett. 77, 24 (1996)

N.Giovanardi, P.F.Bortignon, R.A.Broglia, W.Huang

Temperature Dependence of the Coupling of Nucleons to the Nuclear Surface

doi: 10.1103/PhysRevLett.77.24
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1996GO17      Acta Phys.Pol. B27, 481 (1996)

A.Gollwitzer, N.Blasi, P.F.Bortignon, S.Deylitz, G.Graw, C.Hategan, R.Hertenberger, R.De Leo, S.Lucchini, S.Micheletti, M.Pignanelli, P.Schiemenz, B.D.Valnion

Study of Single Particle Excitations in 153Sm via One Neutron Pickup

NUCLEAR REACTIONS 154Sm(polarized d, t), (d, t), (p, d), (3He, α), E=23-32 MeV; measured spectra, σ(θ), asymmetry vs θ. 153Sm deduced levels, J, π. Coupled-channels Born approximation plus Nilsson model analysis.

1996LU05      Z.Phys. A355, 35 (1996)

F.Lucarelli, N.Gelli, P.Blasi, M.Cinausero, E.Fioretto, G.Prete, D.Fabris, G.Nebbia, G.Viesti, E.M.Fiore, L.Fiore, V.Paticchio, P.F.Bortignon

High-Energy Gamma Rays Emission in Coincidence with Light Charged Particles from the 32S + 74Ge Reaction at 210 MeV

NUCLEAR REACTIONS 74Ge(32S, X), E=210 MeV; measured γ(light charged particle)-coin; deduced GDR parameters.

doi: 10.1007/s002180050075
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1996OR03      Nucl.Phys. A599, 57c (1996)

W.E.Ormand, P.F.Bortignon, R.A.Broglia

The Temperature Dependence of the Width of the Giant-Dipole Resonance

NUCLEAR STRUCTURE 208Pb, 120Sn; calculated GDR strength function. Adiabatic model.

doi: 10.1016/0375-9474(96)00047-4
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1996OR04      Phys.Rev.Lett. 77, 607 (1996)

W.E.Ormand, P.F.Bortignon, R.A.Broglia

Temperature Dependence of the Width of the Giant Dipole Resonance in 120Sn and 208Pb

NUCLEAR STRUCTURE 120Sn, 208Pb; calculated GDR strength function vs temperature; deduced shell corrections caused mass dependence.

doi: 10.1103/PhysRevLett.77.607
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1996PO05      Nucl.Phys. A599, 341c (1996)

V.Yu.Ponomarev, P.F.Bortignon, R.A.Broglia, E.Vigezzi, V.V.Voronov

On Single and Double Resonances in Spherical Nuclei

NUCLEAR STRUCTURE 136Xe; calculated single, double GDR excitation σ by Coulomb field, B(E1) strength distribution. Microscopic calculations.

doi: 10.1016/0375-9474(96)00076-0
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1996PO17      Z.Phys. A356, 251 (1996)

V.Yu.Ponomarev, P.F.Bortignon, R.A.Broglia, V.V.Voronov

Damping Width of Double Resonances

NUCLEAR STRUCTURE 136Xe; calculated double GDR damping widths; deduced ratio to single GDR widths. Microscopic Hamiltonian, one-, two-, three-phonon states.

doi: 10.1007/s002180050176
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1996VI06      Nucl.Phys. A604, 81 (1996)

G.Viesti, M.Lops, B.Fornal, D.Bazzacco, P.F.Bortignon, M.Cinausero, G.de Angelis, D.Fabris, E.M.Fiore, L.Fiore, E.Fioretto, N.Gelli, F.Lucarelli, S.Lunardi, G.Nebbia, V.Paticchio, G.Prete, C.Rossi Alvarez

Probing the Giant Dipole Resonance in the Compound Nucleus 156Er

NUCLEAR REACTIONS 92Zr(64Ni, X), E=241 MeV; measured Eγ, Iγ, γγ-coin. 156Er deduced GDR decay features, deformation. Enriched target, Compton-suppressed Ge detectors array, 4π BGO ball, large-volume BGO scintillators.

doi: 10.1016/0375-9474(96)00119-4
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1995BO07      Nucl.Phys. A583, 101c (1995)

P.F.Bortignon, M.Braguti, D.M.Brink, R.A.Broglia, C.Brusati, F.Camera, W.Cassing, M.Cavinato, N.Giovanardi, F.Gulminelli

On the Giant Dipole Resonance Excitation in Very Hot Nuclei

NUCLEAR REACTIONS 90Zr(36Ar, X), E at 27 MeV/nucleon; calculated dipole strength function; deduced model impact parameter choice critical role in GDR excitation. BNV model.

doi: 10.1016/0375-9474(94)00639-5
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1995CI04      Z.Phys. A352, 273 (1995)

M.Cinausero, N.Gelli, F.Lucarelli, P.Blasi, E.Fioretto, F.Gramegna, G.Prete, D.Fabris, G.Nebbia, G.Viesti, E.M.Fiore, L.Fiore, V.Paticchio, P.F.Bortignon

Giant Dipole Resonance in A ∼ 40 Hot Nuclei from Coincidence Measurements

NUCLEAR REACTIONS 27Al(12C, X), E=100 MeV; 24Mg(16O, X), E=130 MeV; measured high energy γ production σ(Eγ); deduced GDR region yield features for 39K, 40Ca. 39K deduced GDR width.

doi: 10.1007/BF01289500
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1995HU11      J.Phys.(London) G21, 965 (1995)

W.Huang, Z.Wang, P.F.Bortignon, R.A.Broglia

Surface Effects on Particle Self-Energies at Finite Temperature

NUCLEAR STRUCTURE 208Pb; calculated effective mass enhancement temperature dependence. Surface coupling model.

doi: 10.1088/0954-3899/21/7/008
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1995LA19      Phys.Rev.Lett. 74, 5190 (1995)

B.Lauritzen, P.F.Bortignon, R.A.Broglia, V.G.Zelevinsky

Limiting Value for the Width Controlling the Coupling of Collective Vibrations to the Compound Nucleus

doi: 10.1103/PhysRevLett.74.5190
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1995OR01      Phys.Lett. 345B, 343 (1995)

W.E.Ormand, P.M.Pizzochero, P.F.Bortignon, R.A.Broglia

Neutrino Capture Cross Sections for 40Ar and β-Decay of 40Ti

NUCLEAR REACTIONS 40Ar(ν, X), E=solar; calculated absorption σ. Shell model.

RADIOACTIVITY 40Ti(β+); calculated β-decay matrix elements, T1/2, branching ratios. Shell model.

doi: 10.1016/0370-2693(94)01605-C
Citations: PlumX Metrics

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