NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = G.Bonsignori Found 23 matches. 2001GA49 Phys.Rev. C64, 034304 (2001) E.Galindo, M.Hausmann, A.Jungclaus, D.Kast, K.P.Lieb, G.A.Muller, O.Yordanov, S.Brant, D.Vretenar, A.Algora, F.Brandolini, G.de Angelis, M.De Poli, C.Fahlander, A.Gadea, T.Martinez, D.R.Napoli, A.Dewald, R.Peusquens, H.Tiesler, M.Gorska, H.Grawe, P.G.Bizzeti, P.Sona, G.Bonsignori Lifetime Measurements of High-Spin States in 101Ag and Their Interpretation in the Interacting Boson Fermion Plus Broken Pair Model NUCLEAR REACTIONS 58Ni(50Cr, 3pα), E=200-205 MeV; measured Eγ, Iγ, γγ-coin, DSA. 101Ag deduced high-spin levels T1/2, B(E2), B(M1), B(E1). GASP array, recoil-distance and Doppler-shift attenuation methods. Interacting boson fermion plus broken pair model.
doi: 10.1103/PhysRevC.64.034304
1999DE22 Phys.Rev. C60, 014313 (1999) G.de Angelis, C.Fahlander, D.Vretenar, S.Brant, A.Gadea, A.Algora, Y.Li, Q.Pan, E.Farnea, D.Bazzacco, G.Bonsignori, F.Brandolini, M.De Poli, D.De Acuna, S.Lunardi, G.Maron, D.R.Napoli, P.Pavan, C.M.Petrache, C.Rossi Alvarez, P.Spolaore, G.Vedovato Excited States in 104Cd Described with the Interacting Boson Model Plus Broken Pairs NUCLEAR REACTIONS 50Cr(58Ni, 4p), E=220 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 104Cd deduced high-spin levels, J, π, configurations. Gasp array. Interacting boson-fermion model plus broken pair.
doi: 10.1103/PhysRevC.60.014313
1998VR01 Phys.Rev. C57, 675 (1998) D.Vretenar, S.Brant, G.Bonsignori, L.Corradini, C.M.Petrache Interacting Boson Model Plus Broken-Pair Description of High-Spin Dipole Bands NUCLEAR STRUCTURE 136Nd; calculated high-spin levels, J, π, dipole bands. Interacting boson model with broken pairs.
doi: 10.1103/PhysRevC.57.675
1997PE06 Nucl.Phys. A617, 228 (1997) C.M.Petrache, R.Venturelli, D.Vretenar, D.Bazzacco, G.Bonsignori, S.Brant, S.Lunardi, M.A.Rizzutto, C.Rossi Alvarez, G.de Angelis, M.De Poli, D.R.Napoli High-Spin States in 137Nd: A large variety of collective rotations NUCLEAR REACTIONS 110Pd(30Si, 3n), E=125 MeV; 123Sb(19F, 5n), E=97 MeV; measured γγ-coin, DCO ratios. 137Nd deduced high-spin levels, J, π, γ-multipolarity, configurations. Interacting boson-fermion model with broken pairs.
doi: 10.1016/S0375-9474(97)00042-0
1996CA10 Phys.Rev. C53, 1618 (1996) S.Cacciamani, G.Bonsignori, F.Iachello, D.Vretenar Broken Pairs in the Interacting Boson Model: Projection of spurious states NUCLEAR STRUCTURE 116Sn, 82Sr; calculated levels, B(λ). Interacting boson model, broken pairs, spurious states projection.
doi: 10.1103/PhysRevC.53.1618
1996RO04 Phys.Rev. C54, 57 (1996) C.Rossi Alvarez, D.Vretenar, Zs.Podolyak, D.Bazzacco, G.Bonsignori, F.Brandolini, S.Brant, G.de Angelis, M.De Poli, M.Ionescu-Bujor, Y.Li, S.Lunardi, N.H.Medina, C.M.Petrache Excited States in 139Sm Described with the Interacting Boson Model Plus Broken Pairs NUCLEAR REACTIONS 110Pd(34S, 5n), E=150, 165 MeV; measured γγ-coin, DCO ratios, γγ(θ), B(E2), B(M1). 139Sm deduced high-spin levels, J, π, Eγ, Iγ, ICC, T1/2, quadrupole moments. Interacting boson model plus broken pairs.
doi: 10.1103/PhysRevC.54.57
1995PE10 Z.Phys. A352, 5 (1995) C.M.Petrache, S.Lunardi, D.Bazzacco, M.A.Rizzuto, C.Rossi-Alvarez, R.Venturelli, F.Brandolini, N.H.Medina, G.de Angelis, G.Bonsignori, M.Savoia, D.Vretenar Dipole Rotational Band in 137Nd NUCLEAR REACTIONS 110Pd(30Si, 3n), E=125 MeV; 123Sb(19F, 5n), E=97 MeV; measured γγ-coin, DSA, Eγ, Iγ. 137Nd deduced high-spin levels, J, π, T1/2, B(λ), configuration, Iγ.
doi: 10.1007/BF01292752
1995VR02 Z.Phys. A351, 289 (1995) D.Vretenar, G.Bonsignori, M.Savoia One and Three Fermion States in the Interacting Boson Fermion Model: High-spin states in 191,193Hg NUCLEAR STRUCTURE 191,192Hg; calculated high-spin states. Interacting boson fermion model, one broken pair.
doi: 10.1007/BF01290910
1994DE11 Phys.Rev. C49, 2990 (1994) G.de Angelis, M.A.Cardona, M.De Poli, S.Lunardi, D.Bazzacco, F.Brandolini, D.Vretenar, G.Bonsignori, M.Savoia, R.Wyss, F.Terrasi, V.Roca Broken Pairs and Evolution of Collectivity in the A ≈ 140 Mass Region: High spin states of the 60138Nd78 Nucleus NUCLEAR REACTIONS 121Sb(19F, xn), E=75 MeV; measured Eγ, Iγ, γγ(θ), DCO ratios; deduced evolution of collectivity in the A=140 mass region. 138Nd deduced levels, J, π. Cranking model, interacting boson model, broken pairs.
doi: 10.1103/PhysRevC.49.2990
1993CH41 Phys.Rev. C48, 2607 (1993) A.A.Chishti, P.Chowdhury, D.J.Blumenthal, P.J.Ennis, C.J.Lister, Ch.Winter, D.Vretenar, G.Bonsignori, M.Savoia Collectivity in Light Zirconium Isotopes: Evolution with neutron number and angular momentum NUCLEAR REACTIONS 58Ni(29Si, n2p), E=110 MeV; measured Eγ, Iγ, DCO ratios. 58Ni(32S, 2pα), E=110 MeV; measured Iγ(θ). 54Fe(33S, n2p), E=105 MeV; analyzed data. 58Ni(28Si, 2n2p), E not given; measured recoil distance. 84Zr deduced levels, J, π, band structure. 82Zr levels deduced T1/2. Models comparison. NUCLEAR STRUCTURE 86,84,82Zr; calculated levels, g factors, B(λ). Interacting boson model, collective core inclusion.
doi: 10.1103/PhysRevC.48.2607
1993VR01 Phys.Rev. C47, 2019 (1993) D.Vretenar, G.Bonsignori, M.Savoia One and Two Broken Pairs in the Interacting Boson Model: High-spin states in 190,192,194Hg NUCLEAR STRUCTURE 190,192,194Hg; calculated levels, B(λ). Interacting boson model, one-, two-broken pairs.
doi: 10.1103/PhysRevC.47.2019
1991MO08 Nuovo Cim. 104A, 33 (1991) F.Monti, G.Bonsignori, M.Savoia, Y.K.Gambhir Truncation of the Valence Space in the Shell Model and Effective Hamiltonian NUCLEAR STRUCTURE 104,103Sn, 91Nb, 92Mo, 136Xe, 138Ba; calculated levels. Shell model, effective Hamiltonian, valence space truncation.
doi: 10.1007/BF02822265
1991RA01 Phys.Rev. C43, 521 (1991) S.Raman, T.A.Walkiewicz, S.Kahane, E.T.Jurney, J.Sa, Z.Gacsi, J.L.Weil, K.Allaart, G.Bonsignori, J.F.Shriner, Jr. Nearly Complete Level Scheme of 116Sn Below 4.3 MeV NUCLEAR REACTIONS 115Sn(n, γ), E=thermal; 116Sn(n, n'γ), E ≤ 4.5 MeV; measured Eγ, Iγ, γ(θ) vs E. 116Sn deduced levels, J, π, neutron separation energy.
doi: 10.1103/PhysRevC.43.521
1990MO05 Phys.Rev. C41, 1311 (1990) F.Monti, G.Bonsignori, M.Savoia, Y.K.Gambhir Many-Body Correlations and the Truncation of the Shell-Model Hilbert Space
doi: 10.1103/PhysRevC.41.1311
1988RA09 Phys.Rev. C37, 1203 (1988) S.Raman, T.A.Walkiewicz, L.G.Multhauf, K.G.Tirsell, G.Bonsignori, K.Allaart Decays of 118In, 120In, and 122In Isomers to Levels in 118Sn, 120Sn, and 122Sn RADIOACTIVITY 118,120,122In(β-) [from 118,120,122Sn(n, p), E=14 MeV]; measured Eγ, Iγ. 118,120,122Sn deduced levels, γ transitions. Broken pair model. NUCLEAR STRUCTURE 118,120,122Sn; calculated levels. Broken pair model.
doi: 10.1103/PhysRevC.37.1203
1986AL20 Nucl.Phys. A458, 412 (1986) K.Allaart, G.Bonsignori, M.Savoia, V.Paar Construction of Microscopic Boson States and Their Relevance for IBM-2 NUCLEAR STRUCTURE N=50-82; calculated levels, quadrupole matrix element ratios, d-boson number. Four types of collective fermion states.
doi: 10.1016/0375-9474(86)90043-6
1985BO01 Nucl.Phys. A432, 389 (1985) G.Bonsignori, M.Savoia, K.Allaart, A.Van Egmond, G.Te Velde Spectroscopy of Even Sn Nuclei and Generalized-Seniority Breaking NUCLEAR STRUCTURE 110,112,114,116,118,120,122,124Sn; calculated single particle energies, occupation probabilities, ground state wave functions, B(E2) ratios, B(λ). Generalized seniority breaking model.
doi: 10.1016/0375-9474(85)90250-7
1985VA01 Nucl.Phys. A436, 458 (1985) A.van Egmond, K.Allaart, G.Bonsignori Microscopic Approach to Magnetic Excitations in IBM-2 NUCLEAR REACTIONS 130,134Ba(e, e'), E not given; calculated form factors. Interacting boson approximation. NUCLEAR STRUCTURE 130,134Ba; calculated levels, B(λ). Interacting boson approximation.
doi: 10.1016/0375-9474(85)90080-6
1983AK05 Z.Phys. A313, 213 (1983) J.N.L.Akkermans, E.Loriaux, K.Allaart, G.Bonsignori Correlated-Pair Structure in Nuclei and Possible Relation to IBM-2 NUCLEAR STRUCTURE 76,78,80Kr; calculated B(E2). Broken pair model.
doi: 10.1007/BF01417229
1981BO23 Nuovo Cim. 63A, 411 (1981) Number-Conserving Approximation to the Shell Model. The Case of Neutron Excited 0+, 2+ and 4+ States of Even Tin Nuclei NUCLEAR STRUCTURE 116,118,120,122,124Sn; calculated levels, energy gap, chemical potential; 116Sn calculated quadrupole moment, B(λ). Zero, two, four quasiparticle approximation, number conservation.
doi: 10.1007/BF02772520
1979BO40 Nuovo Cim. 54A, 165 (1979) G.Bonsignori, F.Cannata, G.Fratamico, M.Savoia Nuclear-Structure Effects in a Microscopic Theory for (α, α') Reactions in Even-Even Tin Isotopes NUCLEAR REACTIONS 116,122Sn(α, α'), E=27 MeV; analyzed σ(θ). Microscopic quasiparticle theory, Woods-Saxon single-particle states.
doi: 10.1007/BF02899786
1978BO17 Nuovo Cim. 44A, 121 (1978) 0+, 2+ and 4+ States of Even Tin Isotopes in a Zero-, Two- and Four-Quasi-Particle Tamm-Dancoff Approximation with a Fixed Number of Particles NUCLEAR STRUCTURE 116,118,120,122,124Sn; calculated levels.
1973BO41 Lett.Nuovo Cim. 8, 182 (1973) Projection of the N-Nucleon Component from a Zero-, Two- and Four-Quasi-Particle State. The Case of 116Sn NUCLEAR STRUCTURE 116Sn; calculated levels.
doi: 10.1007/BF02906229
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