NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = F.Andreozzi Found 43 matches. 2015KN01 Phys.Rev. C 92, 054315 (2015) F.Knapp, N.Lo Iudice, P.Vesely, F.Andreozzi, G.De Gregorio, A.Porrino Dipole response in 208Pb within a self-consistent multiphonon approach NUCLEAR STRUCTURE 208Pb; calculated pygmy and giant-dipole resonance cross sections, energy levels, B(E1), neutron skin radius using self-consistent multiphonon, equation of motion phonon method (EMPM). Comparison with experimental data.
doi: 10.1103/PhysRevC.92.054315
2014BI01 J.Phys.(London) G41, 025109 (2014) D.Bianco, F.Knapp, N.Lo Iudice, P.Vesely, F.Andreozzi, G.De Gregorio, A.Porrino A self-consistent study of multipole response in neutron-rich nuclei using a modified realistic potential NUCLEAR STRUCTURE 16,18,20,22O, 116,124,130,132Sn; calculated neutron single-particle spectra, B(E1), strength functions. HFB, comparison with available data.
doi: 10.1088/0954-3899/41/2/025109
2014KN01 Phys.Rev. C 90, 014310 (2014) F.Knapp, N.Lo Iudice, P.Vesely, F.Andreozzi, G.De Gregorio, A.Porrino Dipole response in 132Sn within a self-consistent multiphonon approach NUCLEAR STRUCTURE 132Sn; calculated neutron and proton single-particle levels, pygmy resonances, dipole response, isovector and isoscalar E1 strengths, neutron particle-hole phonon composition, E1 transition density; strength fragmentation enhanced. Equation of motion phonon method and Tamm-Dancoff approximation with Hartree-Fock basis. Comparison with experimental results.
doi: 10.1103/PhysRevC.90.014310
2013BI08 Phys.Rev. C 88, 024303 (2013) D.Bianco, N.Lo Iudice, F.Andreozzi, A.Porrino, F.Knapp Spectroscopy of neutron-rich Te and Xe isotopes within a new shell model context NUCLEAR STRUCTURE 134Sn, 134,136,138,140Te, 136,138,140Xe; calculated levels, J, π, B(E2), B(M1); deduced collectivity, neutron-proton symmetry. Large-scale shell model calculation based on an iterative matrix diagonalization algorithm. Comparison with experimental data. Systematics of energies and B(E2) values of first 2+ states in even-even A=126-140 Te and A=132-140 Xe nuclei.
doi: 10.1103/PhysRevC.88.024303
2012BI01 Phys.Rev. C 85, 014313 (2012) D.Bianco, F.Knapp, N.Lo Iudice, F.Andreozzi, A.Porrino Upgraded formulation of the nuclear eigenvalue problem in a microscopic multiphonon basis NUCLEAR STRUCTURE 16O; calculated E1 strength function and cross section, isoscalar E2 reduced strength, phonon structure of 0+, 1- and 2+ states. Equation of motion method; eigenvalue problem in multiphonon space in terms of Tamm-Dancoff phonons, and Nilsson or Hartree-Fock basis. Comparison with experimental data.
doi: 10.1103/PhysRevC.85.014313
2012BI04 Phys.Rev. C 85, 034332 (2012) D.Bianco, F.Andreozzi, N.Lo Iudice, A.Porrino, F.Knapp Importance-sampling diagonalization algorithm for large-scale shell model calculations on N=80 isotones NUCLEAR STRUCTURE 132Te, 134Xe, 136Ba, 138Ce, 140Nd, 142Sm; calculated levels, J, π, B(E2), B(M1), mixed symmetry states. Iterative matrix diagonalization algorithm with an importance sampling, convergence properties. Comparison with experimental data, other shell-model calculations, and systematics of lowest 2+ states in N=80 isotones.
doi: 10.1103/PhysRevC.85.034332
2012BI11 Phys.Rev. C 86, 044325 (2012) D.Bianco, N.Lo Iudice, F.Andreozzi, A.Porrino, F.Knapp Mixed-symmetry states in Te isotopes within a large-scale shell model approach NUCLEAR STRUCTURE 126,128,130,132Te; calculated levels, B(E2), B(M1), using large-scale shell model calculations with a new diagonalization algorithm. Mixed symmetry states. Comparison with experimental data.
doi: 10.1103/PhysRevC.86.044325
2012BI12 Phys.Rev. C 86, 044327 (2012) D.Bianco, F.Knapp, N.Lo Iudice, F.Andreozzi, A.Porrino, P.Vesely Electric dipole response in 208Pb within a new microscopic multiphonon approach NUCLEAR STRUCTURE 208Pb; calculated dipole resonances, E1 σ(ω), B(E1) for giant and pygmy dipole resonances (GDR and PDR) using the microscopic multiphonon approach with a new equation of motion phonon method. Comparison with experimental data.
doi: 10.1103/PhysRevC.86.044327
2012BI17 J.Phys.:Conf.Ser. 366, 012004 (2012) D.Bianco, F.Andreozzi, N.Lo Iudice, A.Porrino, F.Knapp Complex nuclear spectra in a large scale shell model approach NUCLEAR STRUCTURE 130,131,132,133,134Xe; calculated level energy, B(E2), B(M1). 132,133,134Xe calculated low-energy states energy, J, π, γ transitions. 130Xe calculated energy spectrum. Compared to data.
doi: 10.1088/1742-6596/366/1/012004
2012KN03 J.Phys.:Conf.Ser. 337, 012028 (2012) F.Knapp, D.Bianco, N.Lo Iudice, F.Andreozzi, A.Porrino Multiphonon nuclear response in 16O: A microscopic treatment equivalent to shell model NUCLEAR STRUCTURE 16O; calculated energy levels, γ E1 strength distribution using multiphonon states built on Tamm-Dancoff phonons.
doi: 10.1088/1742-6596/337/1/012028
2012LO17 J.Phys.:Conf.Ser. 366, 012031 (2012) N.Lo Iudice, D.Bianco, F.Knapp, F.Andreozzi, A.Porrino, P.Vesely Multiphonon Approaches to Complex Spectroscopy
doi: 10.1088/1742-6596/366/1/012031
2011BI07 Phys.Rev. C 84, 024310 (2011) D.Bianco, F.Andreozzi, N.Lo Iudice, A.Porrino, F.Knapp Matrix diagonalization algorithm and its applicability to the nuclear shell model NUCLEAR STRUCTURE 130,132,134Xe; calculated levels, J, B(E2), B(M1). New matrix diagonalization algorithm, shell model calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.84.024310
2011BI11 J.Phys.:Conf.Ser. 312, 092018 (2011) D.Bianco, F.Andreozzi, N.Lo Iudice, A.Porrino, F.Knapp A new algorithm for large scale shell model calculations and its applicability to medium-heavy and neutron rich nuclei NUCLEAR STRUCTURE 128Te; calculated low-lying states E, J, π, B(E2) using large-scale shell model.
doi: 10.1088/1742-6596/312/9/092018
2010BI16 J.Phys.:Conf.Ser. 205, 012002 (2010) D.Bianco, F.Andreozzi, N.Lo Iudice, A.Porrino, S.Dimitrova An upgraded version of an importance sampling algorithm for large scale shell model calculations NUCLEAR STRUCTURE 48Cr, 110Sn; calculated specified levels, J, π using large scale shell model with sampling iterative algorithm.
doi: 10.1088/1742-6596/205/1/012002
2010LO13 J.Phys.:Conf.Ser. 205, 012008 (2010) N.Lo Iudice, F.Andreozzi, F.Knapp, A.Porrino, J.Kvasil Role of multiphonon configurations in nuclear spectra and responses: A new approach NUCLEAR STRUCTURE 16O; calculated levels, J, π, Eλ distributions using EMPM (Equation of Motion Phonon Method), Tamm-Dancoff approximation, RPA. Compared with data.
doi: 10.1088/1742-6596/205/1/012008
2009AN13 Int.J.Mod.Phys. E18, 944 (2009) F.Andreozzi, F.Knapp, N.Lo Iudice, A.Porrino, J.Kvasil A new equation of motion method for multiphonon nuclear spectra NUCLEAR STRUCTURE 16O; calculated level properties: J, π, multi-phonon states.
doi: 10.1142/S0218301309013087
2008AN12 Phys.Rev. C 78, 054308 (2008) F.Andreozzi, F.Knapp, N.Lo Iudice, A.Porrino, J.Kvasil Multiphonon nuclear response in 16O: A microscopic treatment equivalent to the shell model NUCLEAR STRUCTURE 16O; calculated E1, E2, E3 transition strengths, level energies.
doi: 10.1103/PhysRevC.78.054308
2008KV01 Int.J.Mod.Phys. E17, 196 (2008) J.Kvasil, N.Lo Iudice, F.Andreozzi, A.Porrino, F.Knapp Collective bands in superdeformed nuclei NUCLEAR STRUCTURE 152Dy, 190Hg; analyzed superdeformed bands, and strength of E1 transitions using Cranked Nilsson + QRPA Model.
doi: 10.1142/S0218301308009690
2007AN05 Int.J.Mod.Phys. E16, 580 (2007) F.Andreozzi, N.Lo Iudice, A.Porrino, F.Knapp, J.Kvasil An exact microscopic multiphonon approach to nuclear collective excitations NUCLEAR STRUCTURE 16O; calculated E1 and E2 strength distributions.
doi: 10.1142/S0218301307006022
2007AN13 Phys.Rev. C 75, 044312 (2007) F.Andreozzi, F.Knapp, N.Lo Iudice, A.Porrino, J.Kvasil Exact formulation and solution of the nuclear eigenvalue problem in a microscopic multiphonon space NUCLEAR STRUCTURE 16O; calculated levels, J, π, E3 strength distribution. Tamm-Dancoff phonons.
doi: 10.1103/PhysRevC.75.044312
2007AN15 Prog.Part.Nucl.Phys. 59, 259 (2007) F.Andreozzi, F.Knapp, N.Lo Iudice, A.Porrino, J.Kvasil A new exact microscopic multiphonon approach to the nuclear eigenvalue problem NUCLEAR STRUCTURE 16O; calculated E2 reduced strength, Isovector E1 strength and Isoscalar dipole strength distributions using an exact microscopic multiphonon approach to the nuclear eigenvalue problem.
doi: 10.1016/j.ppnp.2006.12.007
2007AN24 Nucl.Phys. A788, 20c (2007) F.Andreozzi, N.Lo Iudice, A.Porrino, F.Knapp, J.Kvasil An exact microscopic multiphonon approach to collective modes in nuclei NUCLEAR STRUCTURE 16O; calculated E1 strength distribution. Tamm-Dancoff phonons.
doi: 10.1016/j.nuclphysa.2007.01.003
2007KV02 Phys.Rev. C 75, 034306 (2007) J.Kvasil, N.Lo Iudice, F.Andreozzi, F.Knapp, A.Porrino Microscopic structure of deformed and superdeformed collective bands in rotating nuclei NUCLEAR STRUCTURE 190,192,194Hg, 152Dy; calculated deformed and superdeformed rotational bands energies, configurations, strength distributions for linking transitions. Cranked Nilsson plus quasiparticle RPA approach.
doi: 10.1103/PhysRevC.75.034306
2006KV02 Phys.Rev. C 73, 034302 (2006) J.Kvasil, N.Lo Iudice, F.Andreozzi, F.Knapp, A.Porrino Shape transitions and collective excitations in 152Dy NUCLEAR STRUCTURE 152Dy; calculated deformation, superdeformation, rotational bands moments of inertia, B(E1), B(E0), B(M1) distributions; deduced scissors mode. Self-consistent cranked Nilsson plus quasiparticle RPA approach.
doi: 10.1103/PhysRevC.73.034302
2004AN25 Yad.Fiz. 67, 1861 (2004); Phys.Atomic Nuclei 67, 1834 (2004) F.Andreozzi, N.Lo Iudice, A.Porrino An Importance Sampling Algorithm for Diagonalizing the Nuclear Shell-Model Hamiltonian NUCLEAR STRUCTURE 48Cr, 108Sn; calculated level energies, B(E2). Shell model, iterative importance sampling algorithm.
doi: 10.1134/1.1811187
2003AN25 J.Phys.(London) G29, 2319 (2003) F.Andreozzi, N.Lo Iudice, A.Porrino An importance sampling algorithm for generating exact eigenstates of the nuclear Hamiltonian NUCLEAR STRUCTURE 48Cr, 108Sn, 133Xe; calculated levels, J, π, B(E2). Importance sampling algorithm.
doi: 10.1088/0954-3899/29/10/302
2002KO53 Eur.Phys.J. A 15, 181 (2002) A.Korgul, H.Mach, B.Fogelberg, W.Urban, W.Kurcewicz, T.Rzaca-Urban, P.Hoff, H.Gausemel, J.Galy, J.L.Durell, W.R.Phillips, A.G.Smith, B.J.Varley, N.Schulz, I.Ahmad, L.R.Morss, M.Gorska, V.I.Isakov, K.I.Erokhina, J.Blomqvist, F.Andreozzi, F.Coraggio, A.Covello, A.Gargano The neutron and proton two-particle nucleus 134Sb: New low-spin states observed in the decay of 134Sn and an estimate of the energy of the 7- isomer RADIOACTIVITY 134Sn(β-) [from 238U(n, F)]; measured Eγ, Iγ, γγ-, βγ-coin. 134Sb deduced levels, possible J, π, configurations. Mass separator. Comparisons with model predictions.
doi: 10.1140/epja/i2001-10250-8
2001AN08 J.Phys.(London) G27, 845 (2001) A Redundancy-Free Approach to the use of Correlated Bases in the Truncation of Large Shell-Model Eigenproblems NUCLEAR STRUCTURE 132Te, 132I; calculated levels, J, π, configurations. Truncated shell model, correlated bases. Comparison with data.
doi: 10.1088/0954-3899/27/4/309
1999AN05 Phys.Rev. C59, 746 (1999) F.Andreozzi, L.Coraggio, A.Covello, A.Gargano, T.T.S.Kuo, A.Porrino Proton Particle-Neutron Hole States in 132Sb with a Realistic Interaction NUCLEAR STRUCTURE 132Sb; calculated levels, J, π, B(M1), B(E2); deduced effective neutron-proton interaction. Shell model. Comparison with data.
doi: 10.1103/PhysRevC.59.746
1997AN10 Phys.Rev. C56, R16 (1997); Comment Phys.Rev. C59, 546 (1999) F.Andreozzi, L.Coraggio, A.Covello, A.Gargano, T.T.S.Kuo, A.Porrino Structure of Neutron-Rich Nuclei Around 132Sn NUCLEAR STRUCTURE 134Te; calculated levels, B(λ), binding energies, g, μ. 135I calculated levels, binding energies. Shell model, realistic effective interaction.
doi: 10.1103/PhysRevC.56.R16
1996AN10 Phys.Rev. C54, 684 (1996) Nonperturbative Derivation of Non-Hermitian and Hermitian Effective Interactions and Operators
doi: 10.1103/PhysRevC.54.684
1996AN11 Z.Phys. A354, 253 (1996) F.Andreozzi, L.Coraggio, A.Covello, A.Gargano, A.Porrino Pairing Effects in Sn Isotopes NUCLEAR STRUCTURE 112,114,116,118,120,122,124Sn; calculated ground state occupation numbers, level spectra. 107,109,111,113,115,117,119,121,123,125,127,129Sn; calculated level spectra, one-nucleon transfer spectroscopic factors.
doi: 10.1007/s002180050042
1996AN17 Phys.Rev. C54, 1636 (1996) F.Andreozzi, L.Coraggio, A.Covello, A.Gargano, T.T.S.Kuo, Z.B.Li, A.Porrino Realistic Shell-Model Calculations for Neutron Deficient Sn Isotopes NUCLEAR STRUCTURE 102,103,104,105Sn; calculated levels. Realistic interactions, shell model.
doi: 10.1103/PhysRevC.54.1636
1993AN14 Nucl.Phys. A564, 441 (1993) F.Andreozzi, A.Brondi, A.D'Onofrio, G.La Rana, R.Moro, E.Perillo, M.Romano, F.Terrasi, R.Dayras, H.Dumont, F.Gadi, J.Gomez del Campo Reaction-Mechanism Evolution for the System 20Ne + 60Ni at Intermediate Energies: From massive transfer to fragmentation NUCLEAR REACTIONS 60Ni(20Ne, X), E=1 GeV; measured residue mass, charge distributions, absolute σ, projected ranges. Enriched target. Geometrical model calculations.
doi: 10.1016/0375-9474(93)90514-X
1992AN02 Phys.Rev. C45, 2008 (1992) F.Andreozzi, A.Covello, A.Gargano, A.Porrino Pairing and High-Spin States in Proton-Rich N = 82 Nuclei NUCLEAR STRUCTURE A=146-154; analyzed level data; deduced proton pairing correlations role.
doi: 10.1103/PhysRevC.45.2008
1990AN01 Phys.Rev. C41, 250 (1990) F.Andreozzi, A.Covello, A.Gargano, A.Porrino Pairing Effects in N = 82 Isotones NUCLEAR STRUCTURE A=136-150; calculated levels, spectroscopic factors. Equations-of-motion method, pairing-force theory.
doi: 10.1103/PhysRevC.41.250
1990CO23 Phys.Scr. T32, 7 (1990) A.Covello, F.Andreozzi, A.Gargano, A.Porrino Pairing and Seniority in an Equations-of-Motion Approach to Nuclear Structure Theory NUCLEAR STRUCTURE 113,115Sn; calculated levels. Other Sn isotopes studied. Equation of motion, seniority, pairing.
doi: 10.1088/0031-8949/1990/T32/001
1989DO01 Phys.Rev. C39, 834 (1989) A.D'Onofrio, J.Gomez del Campo, B.Delaunay, J.Delaunay, H.Dumont, F.Andreozzi, A.Brondi, R.Moro, M.Romano, F.Terrasi Preequilibrium Emission and Target-Projectile-Like Correlations for 20Ne + 60Ni at E(20Ne) = 740 MeV NUCLEAR REACTIONS 60Ni(20Ne, X), E=740 MeV; measured (particle)γ-coin; deduced preequilibrium contributions.
doi: 10.1103/PhysRevC.39.834
1988AN04 Phys.Rev. C37, 2228 (1988) F.Andreozzi, A.Covello, A.Gargano, A.Porrino Equations-of-Motion Treatment of Pairing Correlations: Seniority-one states NUCLEAR STRUCTURE 111,115,119Sn; calculated levels, spectroscopic factors. Equations-of-motion method, pairing-force theory.
doi: 10.1103/PhysRevC.37.2228
1987DO01 Phys.Rev. C35, 1167 (1987) A.D'Onofrio, B.Delaunay, J.Delaunay, H.Dumont, J.Gomez del Campo, F.Andreozzi, A.Brondi, R.Moro, M.Romano, F.Terrasi, J.F.Bruandet Heavy Residue Masses as Possible Indicators of the Impact Parameter in the Reaction 20Ne + 60Ni at 742 MeV NUCLEAR REACTIONS 60Ni(20Ne, X), E=746 MeV; measured fragment σ(Z, A); deduced residue mass-impact parameter correlation. Massive transfer, participant spectator models.
doi: 10.1103/PhysRevC.35.1167
1980AN03 Phys.Rev. C21, 1094 (1980) F.Andreozzi, A.Covello, A.Porrino Equations-of-Motion Method and Pairing Correlations in Doubly Even Nuclei NUCLEAR STRUCTURE 58,60,62,64,66Ni; calculated ground state energies, occupation numbers, two-particle transfer amplitudes. Equations of motion method, pairing correlations.
doi: 10.1103/PhysRevC.21.1094
1980AN26 Phys.Rev. C22, 2555 (1980) F.Andreozzi, A.Covello, A.Porrino Equations-of-Motion Method and Pairing Correlations in Odd-A Nuclei NUCLEAR STRUCTURE 59,61,63,65,67Ni; calculated levels, S, single-particle occupation probabilities. Equations of motion method, pairing-force theory.
doi: 10.1103/PhysRevC.22.2555
1976AN12 Nucl.Phys. A270, 388 (1976) Effective Three-Body Interactions in the f7/2 Shell NUCLEAR STRUCTURE 43Sc; calculated levels, contributions of effective three-body forces to the interaction energy of three particles in the 0f7/2 shell.
doi: 10.1016/0375-9474(76)90452-8
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