NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = M.Ivascu Found 152 matches. Showing 1 to 100. [Next]2016BU23 Nucl.Instrum.Methods Phys.Res. A837, 1 (2016) D.Bucurescu, I.Cata-Danil, G.Ciocan, C.Costache, D.Deleanu, R.Dima, D.Filipescu, N.Florea, D.G.Ghita, T.Glodariu, M.Ivascu, R.Lica, N.Marginean, R.Marginean, C.Mihai, A.Negret, C.R.Nita, A.Olacel, S.Pascu, T.Sava, L.Stroe, A.Serban, R.Suvaila, S.Toma, N.V.Zamfir, G.Cata-Danil, I.Gheorghe, I.O.Mitu, G.Suliman, C.A.Ur, T.Braunroth, A.Dewald, C.Fransen, A.M.Bruce, Zs.Podolyak, P.H.Regan, O.J.Roberts The ROSPHERE γ-ray spectroscopy array NUCLEAR REACTIONS 110Pd(13C, 4n), E=50 MeV; 82Se(13C, X)92Zr, E=42 Mev; 140Ce(13C, 3n), E=62 MeV; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, T1/2. Comparison with available data.
doi: 10.1016/j.nima.2016.08.052
2014GH07 Nucl.Data Sheets 119, 245 (2014) I.Gheorghe, D.Filipescu, T.Glodariu, D.Bucurescu, I.Cata-Danil, G.Cata-Danil, D.Deleanu, D.Ghita, M.Ivascu, R.Lica, N.Marginean, R.Marginean, C.Mihai, A.Negret, T.Sava, L.Stroe, S.Toma, O.Sima, M.Sin Absolute Cross Sections for Proton Induced Reactions on 147, 149Sm Below the Coulomb Barrier NUCLEAR REACTIONS 147,149Sm(p, n), (p, γ), E=3.6-8.6 MeV; measured activation Eγ, Iγ, γγ-coin using high-efficiency HPGe in close geometry; deduced γ ray strength functions; calculated σ using EMPIRE code with different strength functions. Cross sections compared also with TENDL and MENDL evaluations and (p, n) σ also with Katch data.
doi: 10.1016/j.nds.2014.08.067
2013DE02 Phys.Rev. C 87, 014329 (2013) D.Deleanu, D.L.Balabanski, Ts.Venkova, D.Bucurescu, N.Marginean, E.Ganioglu, Gh.Cata-Danil, L.Atanasova, I.Cata-Danil, P.Detistov, D.Filipescu, D.Ghita, T.Glodariu, M.Ivascu, R.Marginean, C.Mihai, A.Negret, S.Pascu, T.Sava, L.Stroe, G.Suliman, N.V.Zamfir Excited states in 129I NUCLEAR REACTIONS 124Sn(7Li, 2n), E=23 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) at the Bucharest Tandem accelerator facility. 129I; deduced high-spin levels, J, π, multipolarities, bands, configurations. Comparison with interacting Boson-Fermion model (IBFM) and total Routhian surface (TRS) calculations. Level systematics of 123,125,127,129,131,133I.
doi: 10.1103/PhysRevC.87.014329
2012BU03 Phys.Rev. C 85, 017304 (2012) D.Bucurescu, E.Dragulescu, S.Pascu, H-F.Wirth, D.Filipescu, G.Cata-Danil, I.Cata-Danil, D.Deleanu, K.Eppinger, T.Faestermann, D.G.Ghita, T.Glodariu, R.Hertenberger, M.Ivascu, R.Krucken, N.Marginean, R.Marginean, C.Mihai, A.Negret, T.Sava, L.Stroe, K.Wimmer, N.V.Zamfir Excited states of the 150Pm odd-odd nucleus NUCLEAR REACTIONS 140Ce, 142Nd, 152Sm(d, α), E=25 MeV; measured E(α), I(α) with Q3D spectrograph at Munich. 150Pm, 140Pr, 138La; deduced levels. 150Nd(p, n), E=7.1 MeV; measured Eγ, Iγ, γγ-coin. 150Pm; deduced levels. Comparison with results from other reactions.
doi: 10.1103/PhysRevC.85.017304
2011FI06 Phys.Rev. C 83, 064609 (2011) D.Filipescu, V.Avrigeanu, T.Glodariu, C.Mihai, D.Bucurescu, M.Ivascu, I.Cata-Danil, L.Stroe, O.Sima, G.Cata-Danil, D.Deleanu, D.G.Ghita, N.Marginean, R.Marginean, A.Negret, S.Pascu, T.Sava, G.Suliman, N.V.Zamfir Cross sections for α-particle induced reactions on 115, 116Sn around the Coulomb barrier NUCLEAR REACTIONS 115Sn(α, γ)119Te, 115Sn(α, n)118Te, 116Sn(α, n)119Te, E(cm)=9.3-14.8 MeV; 48Ti(α, n)51Cr, E not given; measured Eγ, Iγ, cross sections. Comparison with previous data and predictions of statistical model calculations.
doi: 10.1103/PhysRevC.83.064609
2011MI08 Phys.Rev. C 83, 054310 (2011) C.Mihai, A.A.Pasternak, S.Pascu, D.Filipescu, M.Ivascu, D.Bucurescu, G.Cata-Danil, I.Cata-Danil, D.Deleanu, D.G.Ghita, T.Glodariu, N.Marginean, R.Marginean, A.Negret, T.Sava, L.Stroe, G.Suliman, N.V.Zamfir Lifetime measurements by the Doppler-shift attenuation method in the 115Sn(α, nγ)118Te reaction NUCLEAR REACTIONS 115Sn(α, nγ), E=15 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), Monte-Carlo Doppler shift attenuations. 118Te; deduced levels, J, π, bands, multipolarity, mixing ratios, half-lives by DSAM, B(E1), B(M1), B(E2). Comparison with predictions of interacting boson model.
doi: 10.1103/PhysRevC.83.054310
2010IV02 Rom.J.Phys. 55, 1006 (2010) M.Ivascu, I.Cata-Danil, D.Filipescu, L.Stroe, T.Glodariu, D.Bucurescu, G.Cata-Danil, D.Deleanu, D.G.Ghita, N.Marginean, R.Marginean, C.Mihai, S.Pascu, T.Sava, G.Suliman, N.V.Zamfir Astrophysical S Factor for Proton Capture on 147Sm and 149Sm NUCLEAR REACTIONS 147,149Sm(p, γ), E not given; measured Eγ, Iγ; deduced S-factors. Comparison with NONSMOKER calculations.
2010MA68 Eur.Phys.J. A 46, 329 (2010) N.Marginean, D.L.Balabanski, D.Bucurescu, S.Lalkovski, L.Atanasova, G.Cata-Danil, I.Cata-Danil, J.M.Daugas, D.Deleanu, P.Detistov, G.Deyanova, D.Filipescu, G.Georgiev, D.Ghita, K.A.Gladnishki, R.Lozeva, T.Glodariu, M.Ivascu, S.Kisyov, C.Mihai, R.Marginean, A.Negret, S.Pascu, D.Radulov, T.Sava, L.Stroe, G.Suliman, N.V.Zamfir In-beam measurements of sub-nanosecond nuclear lifetimes with a mixed array of HPGe and LaBr3:Ce detectors NUCLEAR REACTIONS 98Mo(12C, X), E=50 MeV;197Au(α, X), E=24 MeV; measured Eγ, Iγ(θ), γγ-coin. 199Tl 367 keV state deduced T1/2, B(M1), B(E2). HPGe and LaBr3:Ce detectors, delayed γγ-coin. B(EΛ) compared with data on odd-mass Tl isotopes.
doi: 10.1140/epja/i2010-11052-7
2010MI04 Phys.Rev. C 81, 034314 (2010) C.Mihai, A.A.Pasternak, D.Filipescu, M.Ivascu, D.Bucurescu, G.Cata-Danil, I.Cata-Danil, D.Deleanu, D.Ghita, T.Glodariu, Yu.N.Lobach, N.Marginean, R.Marginean, A.Negret, S.Pascu, T.Sava, L.Stroe, G.Suliman, N.V.Zamfir Side feeding patterns and nuclear lifetime determinations by the Doppler shift attenuation method in (α, nγ) reactions NUCLEAR REACTIONS 119Sn(α, nγ)122Te, E=15 MeV; measured Eγ, Iγ, γγ-coin, angular distributions, half-lives by Doppler shift attenuation method. 122Te; deduced levels, J, π, transition strengths with Monte Carlo simulations.
doi: 10.1103/PhysRevC.81.034314
2010RU07 Eur.Phys.J. A 44, 31 (2010) C.Rusu, D.Bucurescu, N.Marginean, M.Ionescu-Bujor, A.Iordachescu, G.Cata-Danil, I.Cata-Danil, D.Deleanu, D.Filipescu, D.Ghita, T.Glodariu, M.Ivascu, C.Mihai, R.Marginean, S.Pascu, T.Sava, L.Stroe, G.Suliman, N.V.Zamfir Isomerism of low-lying states in 86Y NUCLEAR REACTIONS 73Ge(16O, 2np), E=57 MeV; measured Eγ, Iγ, γγ-, (neutron)γ-coin using NE213 and HPGe detectors. 86,88Y; deduced levels, J, π, μ, configurations, multipolarities, B(E1), B(E2), B(E3), B(M1), T1/2. Comparison with shell model calculations. 85Rb(3He, 2n), (3He, np), E not given; analyzed Eγ, Iγ, γ(H, θ, t). 86Sr, 86Y; deduced g-factor.
doi: 10.1140/epja/i2010-10928-8
2009RU03 Nucl.Phys. A818, 1 (2009) C.Rusu, C.A.Ur, D.Bucurescu, A.Iordachescu, N.Marginean, G.Cata-Danil, I.Cata-Danil, M.Ionescu-Bujor, M.Ivascu, D.Bazzacco, T.Kroll, S.Lenzi, S.Lunardi, R.Menegazzo, C.Rossi Alvarez, G.de Angelis, A.Gadea, D.Napoli In-beam gamma-ray spectroscopy and shell-model description of 85, 86Y isotopes NUCLEAR REACTIONS 76Ge(14N, 4n), E=44-54 MeV; measured σ(E); 52Cr(37Cl, X)85Y/86Y, E=115 MeV; measured Eγ, Iγ, γγ-, (neutron)γ-coin using GASP array, NE213 and HPGe detectors. 85,86Y deduced levels, J, π, configurations, multipolarities, branching fraction, T1/2. Comparison with shell model calculations.
doi: 10.1016/j.nuclphysa.2008.11.012
2009ZA03 Acta Phys.Pol. B40, 503 (2009) N.V.Zamfir, D.Bucurescu, G.Cata-Danil, M.Ivascu, N.Marginean Correlations of Energy Ratios for Collective Nuclear Bands
2008BU22 Phys.Rev. C 78, 044322 (2008) D.Bucurescu, N.V.Zamfir, G.Cata-Danil, M.Ivascu, N.Marginean Universality of Mallmann correlations for nuclear band structures NUCLEAR STRUCTURE A=42-254; analyzed Mallmann Correlation plots for bands.
doi: 10.1103/PhysRevC.78.044322
2008CA20 Phys.Rev. C 78, 035803 (2008) I.Cata-Danil, D.Filipescu, M.Ivascu, D.Bucurescu, N.V.Zamfir, T.Glodariu, L.Stroe, G.Cata-Danil, D.G.Ghita, C.Mihai, G.Suliman, T.Sava Astrophysical S factor for α capture on 117Sn NUCLEAR REACTIONS 117Sn(α, γ), (α, p), E(cm)=11.5, 14.6 MeV; measured σ; deduced astrophysical S-factors. Comparison with McFadden Optical model calculations.
doi: 10.1103/PhysRevC.78.035803
2008GH04 Int.J.Mod.Phys. E17, 1453 (2008) D.G.Ghita, G.Cata-Danil, D.Bucurescu, I.Cata-Danil, M.Ivascu, C.Mihai, G.Suliman, L.Stroe, T.Sava, N.V.Zamfir 124Te and the e(5) critical point symmetry RADIOACTIVITY 124I(β+); measured Eγ, Iγ, γγ-coin, log ft. 124Te; deduced levels, J, π. Comparison to model calculations.
doi: 10.1142/S0218301308010532
2007MI12 Phys.Rev. C 75, 044302 (2007) C.Mihai, N.V.Zamfir, D.Bucurescu, G.Cata-Danil, I.Cata-Danil, D.G.Ghita, M.Ivascu, T.Sava, L.Stroe, G.Suliman γ-band staggering and E(5)-type structure: 64Zn RADIOACTIVITY 64Ga(β+), (EC) [from 54Fe(12C, np)]; measured β-delayed Eγ, Iγ, γγ-coin. 64Zn deduced levels, J, π, transition strengths. Comparisons with predictions of the E(5) critical point symmetry.
doi: 10.1103/PhysRevC.75.044302
2006BU04 Eur.Phys.J. A 27, 301 (2006) D.Bucurescu, G.Cata-Danil, I.Cata-Danil, M.Ivascu, N.Marginean, R.Marginean, L.C.Mihailescu, C.Rusu, G.Suliman Gamma-ray spectroscopy of the nucleus 139Ce NUCLEAR REACTIONS 139La(p, n), E=5.0, 6.0 MeV; measured Eγ, Iγ, neutron spectra, γγ-, γn-coin, DSA. 130Te(12C, 3n), E=50.5 MeV; measured Eγ, Iγ, γγ-coin. 139Ce deduced levels, J, π, T1/2, B(M1), B(E2), configurations. GASP array, comparison with shell model predictions.
doi: 10.1140/epja/i2006-10007-y
2005BU08 Phys.Rev. C 71, 034315 (2005) D.Bucurescu, Zs.Podolyak, C.Rusu, G.de Angelis, Y.H.Zhang, G.Cata-Danil, I.Cata-Danil, M.Ivascu, N.Marginean, R.Marginean, L.C.Mihailescu, G.A.Suliman, P.H.Regan, W.Gelletly, S.D.Langdown, J.J.Valiente-Dobon, D.Bazzacco, S.Lunardi, C.A.Ur, M.Axiotis, A.Gadea, E.Farnea, M.Ionescu-Bujor, A.Iordachescu, Th.Kroll, T.Martinez, P.G.Bizzeti, R.Broda, N.H.Medina, B.Quintana, B.Rubio High-spin states in the nuclei 91Y and 95Nb NUCLEAR REACTIONS 82Se(12C, 2np), E=38 MeV; 82Se(16O, 2np), E=48 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 12C, 16O(82Se, X)91Y/95Nb, E=470 MeV; measured Eγ, Iγ, γγ-coin. 91Y, 95Nb deduced high-spin levels, J, π, configurations. GASP array, comparison with shell model predictions, level systematics in neighboring isotones discussed.
doi: 10.1103/PhysRevC.71.034315
2003BU06 Eur.Phys.J. A 16, 469 (2003) D.Bucurescu, A.Gadea, Ghe.Cata-Danil, I.Cata-Danil, M.Ivascu, N.Marginean, C.Rusu, L.Stroe, C.A.Ur High-spin states in the 97Tc nucleus NUCLEAR REACTIONS 82Se(19F, 4n), E=68 MeV; measured Eγ, Iγ, γγ-, (neutron)γ-coin. 97Tc deduced high-spin levels, J, π, configurations. Comparison with shell model predictions.
doi: 10.1140/epja/i2002-10134-5
2001BU01 Phys.Rev. C63, 014306 (2001) D.Bucurescu, Ghe.Cata-Danil, I.Cata-Danil, M.Ivascu, N.Marginean, C.A.Ur Observation of the νh11/2 Sequence in the 97Mo Nucleus NUCLEAR REACTIONS 82Se(19F, 3np), E=68 MeV; measured Eγ, Iγ, γγ-, nγ-, (charged particle)γ-coin. 97Mo deduced high-spin levels, J, π, configurations. Comparison with model predictions.
doi: 10.1103/PhysRevC.63.014306
2001BU19 Eur.Phys.J. A 10, 255 (2001) D.Bucurescu, Gh.Cata-Danil, I.Cata-Danil, M.Ivascu, N.Marginean, C.Rusu, L.Stroe, C.A.Ur, A.Gizon, J.Gizon, B.Nyako, J.Timar, L.Zolnai, A.J.Boston, D.T.Joss, E.S.Paul, A.T.Semple, C.M.Parry High-Spin States in the 96Tc Nucleus NUCLEAR REACTIONS 82Se(19F, 5n), E=68 MeV; Zn(36S, xnpα)96Tc, E=130 MeV; measured Eγ, Iγ, γγ-, (neutron)γ-coin. 96Tc deduced high-spin levels, J, π, configurations. Eurogam II array.
doi: 10.1007/s100500170110
2001SO02 Phys.Rev. C63, 031304 (2001) F.Soramel, A.Guglielmetti, L.Stroe, L.Muller, R.Bonetti, G.L.Poli, F.Malerba, E.Bianchi, A.Andrighetto, J.Y.Guo, Z.C.Li, E.Maglione, F.Scarlassara, C.Signorini, Z.H.Liu, M.Ruan, M.Ivascu, C.Broude, P.Bednarczyk, L.S.Ferreira New Strongly Deformed Proton Emitter: 117La RADIOACTIVITY 117La(p) [from 64Zn(58Ni, p4n), E=310 MeV]; measured proton spectra, T1/2. 117La deduced ground state and isomeric level T1/2, J, π, deformation, Nilsson orbital. Comparison with Gamow-state calculations. Mass separator.
doi: 10.1103/PhysRevC.63.031304
2000MA63 Phys.Rev. C62, 034309 (2000) N.Marginean, D.Bucurescu, Ghe.Cata-Danil, I.Cata-Danil, M.Ivascu, C.A.Ur High-Spin States in the 94Nb Nucleus NUCLEAR REACTIONS 82Se(19F, 3nα), E=68 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 94Nb deduced high-spin levels, possible J, π, configurations. Comparisons with neighboring nuclides.
doi: 10.1103/PhysRevC.62.034309
1999BU05 Int.J.Mod.Phys. E8, 17 (1999) D.Bucurescu, I.Cata-Danil, M.Ivascu, N.Marginean, L.Stroe, C.A.Ur, N.Dinu Lifetimes and Structure of Excited States of 73As NUCLEAR REACTIONS 73Ge(p, n), E=3.15, 4.0, 4.5 MeV; measured Eγ, Iγ, DSA. 73As levels deduced T1/2, B(M1), B(E2). Comparison with model calculations. NUCLEAR STRUCTURE 73As; calculated levels, J, π, B(M1), B(E2). Interacting boson-fermion model.
doi: 10.1142/S0218301399000045
1999IV08 Phys.Rev. C60, 024302 (1999) M.Ivascu, N.Marginean, D.Bucurescu, I.Cata-Danil, C.A.Ur, Yu.N.Lobach Lifetime Measurements in 71Ge and a New Interacting Boson-Fermion Model Interpretation NUCLEAR REACTIONS 71Ga(p, n), E=3, 3.5 MeV; measured Eγ, Iγ, DSA. 71Ge levels deduced J, π, T1/2, B(E2), B(M1), δ. Interacting boson-fermion calculations.
doi: 10.1103/PhysRevC.60.024302
1996BU03 J.Phys.(London) G22, 371 (1996) D.Bucurescu, N.Marginean, G.Cata-Danil, M.Ivascu, L.Stroe, C.A.Ur Global Phenomenology of B(E2) Values in Unique Parity Quasibands of Odd-A Nuclei
doi: 10.1088/0954-3899/22/3/010
1996BU12 Phys.Lett. 376B, 1 (1996) D.Bucurescu, N.V.Zamfir, G.Cata-Danil, M.Ivascu, L.Stroe, C.A.Ur, R.F.Casten Global Correlations of Unique Parity Structures in Odd-A Nuclei NUCLEAR STRUCTURE A=75-197; analyzed unique parity level data; deduced global correlations.
doi: 10.1016/0370-2693(96)00264-X
1996BU39 Phys.Lett. 386B, 12 (1996) D.Bucurescu, N.Marginean, G.Cata-Danil, M.Ivascu, L.Stroe, C.A.Ur Global Anharmonic Vibrator Behaviour of One-Quasiparticle Structure in Odd-A Nuclei and the IBFA Model NUCLEAR STRUCTURE Z=37-80; analyzed in-band excitation energies correlations, odd-A Rb-Hg nuclei; deduced one-quasiparticle structure global anharmonic vibrator.
doi: 10.1016/0370-2693(96)00968-9
1996BU41 Phys.Rev. C54, 2313 (1996) D.Bucurescu, I.Cata-Danil, G.Ilas, M.Ivascu, N.Marginean, L.Stroe, C.A.Ur Doppler-Shift Attenuation Method Lifetime Measurements of Low-Lying States in 111In NUCLEAR REACTIONS 111Cd(p, n), E=3.8, 4.5, 4.7 MeV; measured Eγ, Iγ, DSA. 111In levels deduced T1/2, B(λ) ratio, δ(E2/M1). Enriched target. Interacting boson-fermion model calculations.
doi: 10.1103/PhysRevC.54.2313
1995BU15 Phys.Rev. C52, 616 (1995) D.Bucurescu, G.Cata-Danil, G.Ilas, M.Ivascu, L.Stroe, C.A.Ur Doppler-Shift Attentuation Method Lifetime Measurements in 115Sb and 117Sb NUCLEAR REACTIONS 115,117Sn(p, n), E=4.4-5.9 MeV; measured Eγ, Iγ, DSA. 115,117Sb deduced levels T1/2.
doi: 10.1103/PhysRevC.52.616
1994BU08 Phys.Rev. C49, R1759 (1994) D.Bucurescu, G.Cata-Danil, M.Ivascu, L.Stroe, C.A.Ur Global Systematics of Unique Parity Quasibands in Odd-A Collective Nuclei
doi: 10.1103/PhysRevC.49.R1759
1993BU11 Phys.Rev. C48, R21 (1993) D.Bucurescu, Gh.Cata-Danil, M.Ivascu, C.A.Ur Band Structure Systematics and Symmetries in Even-Even Nuclei
doi: 10.1103/PhysRevC.48.R21
1993IV01 Roum.J.Phys. 38, 379 (1993) Spectroscopy of Neutron-Rich Nuclei by Use of Radioactive Beam NUCLEAR STRUCTURE A ≈ 25-200; calculated fragmentation σ Coulomb part for (11Li, 9Li) reaction. NUCLEAR REACTIONS 197Au(11Li, 9LiX), E ≈ 5-90 MeV/nucleon; calculated fragmentation σ Coulomb part.
1993SI26 Roum.J.Phys. 38, 55 (1993) I.Silisteanu, M.Ivascu, I.Rotter The Excitation of Collective Modes in Heavy Fragment Radioactivity RADIOACTIVITY 221Fr, 221,222,223,224,226Ra, 225Ac(14C); 231Pa(23F); 230,232Th, 231Pa, 234,232,233U(24Ne); 233U(25Ne); 234U(26Ne); 234U, 238Pu(28Mg); 237Np, 238Pu(30Mg); 238Pu(32Si); 241Am(34Si); calculated cluster decay resonance width, decay T1/2. Collective mode excitation, microscopic, macroscopic method.
1993SI27 Roum.J.Phys. 38, 329 (1993) I.Silisteanu, W.Scheid, M.Ivascu Alpha and 12C Emission Energies of 114Ba RADIOACTIVITY 114Ba(α), (12C); analyzed Qα data in other Ba, Cs, Xe, I, Te isotopes; deduced α-, 12C-decay Qα, mass excess.
1992BU11 Z.Phys. A343, 139 (1992) D.Bucurescu, G.Cata-Danil, M.Ivascu, A.Gizon, J.Gizon, C.A.Ur IBFM for Ba Isotopes and Chaoticity NUCLEAR STRUCTURE 121,123,125,127,129,131Ba; analyzed predicted levels; deduced fluctuation properties reach chaotic limit. Interacting boson-fermion model.
doi: 10.1007/BF01291818
1992DR04 Nucl.Phys. A548, 435 (1992) E.Dragulescu, M.Ivascu, C.Petrache, D.Popescu, G.Semenescu, I.Gurgu, M.Ionescu-Bujor, A.Iordachescu, G.Pascovici, R.A.Meyer, V.Lopac, S.Brant, V.Paar, D.Vorkapic, D.Vretenar Nuclear Structure and High-Spin States of 137Pr NUCLEAR REACTIONS 126Te(14N, 3n), E=52-56 MeV; 122Sn(19F, 4n), E=68-76 MeV; measured Eγ, Iγ, σ(E, Eγ, θ), γγ(t), (X-ray)γ(t), γ(t). 137Pr deduced levels, J, π, δ(E2/M1), T1/2. Enriched targets. Ge(Li) detectors. NUCLEAR STRUCTURE 137Pr; calculated levels. Interacting boson-fermion model.
doi: 10.1016/0375-9474(92)90694-F
1992KU01 Phys.Rev. C45, 640 (1992) J.Kumpulainen, R.Julin, J.Kantele, A.Passoja, W.H.Trzaska, E.Verho, J.Vaaramaki, D.Cutoiu, M.Ivascu Systematic Study of Low-Spin States in Even Cd Nuclei NUCLEAR REACTIONS 106,108,110,112,116Cd(p, p'), E=7-9 MeV; 107,109Ag(p, 2n), E=12.3-17.4 MeV; 108,110Pd(α, 2n), E=17-20MeV; measured Eγ, Iγ, γγ-, pγ-coin, γ(θ). 106,108,110,112,116Cd deduced levels, J, π, ICC. Enriched targets, Ge, Si(Li) detectors. RADIOACTIVITY 106,108,110In(EC), (β+); measured Eγ, Eβ. 106,108,110Cd deduced levels J, π, ICC, Ge, Si(Li) detectors.
doi: 10.1103/PhysRevC.45.640
1992PE15 Z.Phys. A344, 227 (1992) C.M.Petrache, G.de Angelis, D.Bucurescu, M.Ivascu, D.Bazzacco, S.Lunardi Shape Change and Shape Coexistence in 134Pr NUCLEAR REACTIONS 119Sn(19F, 4n), E=87 MeV; measured γγ-coin. 134Pr deduced levels, J, π, rotational band structure, configuration.
doi: 10.1007/BF01291710
1992TO06 Rev.Roum.Phys. 37, 211 (1992) V.Topor Pop, D.B.Ion, M.Ivascu, M.Petrascu, M.Haiduc, R.Ion-Mihai, K.D.Tolstov Search for Spontaneous Emission of Pions RADIOACTIVITY 252Cf(SF); measured SF-decay to π-decay branching ratio upper limits. NUCLEAR REACTIONS 235U(n, F), E=thermal; measured SF-decay to π-decay branching ratio.
1990AV01 Z.Phys. A335, 299 (1990) M.Avrigeanu, M.Ivascu, V.Avrigeanu Nuclear Level Densities Below 40 MeV Excitation Energy in the Mass Region A ≈ 50 NUCLEAR STRUCTURE A=50-65; analyzed resonance data; deduced level density, other parameters. NUCLEAR REACTIONS, ICPND 52Cr, 56,54Fe, 58,60Ni(n, n'), E=2-20 MeV; calculated inelastic σ(E). 51V(α, X), (α, n), E=5.5-12 MeV; calculated reaction σ(E). 52,50Cr, 54,56Fe, 58,60Ni(n, xp), E ≈ 14.8 MeV; 50,52Cr, 54,56Fe, 58,60Ni(n, xα), E ≈ 14.5 MeV; calculated angle integrated particle emission spectra. 52,50Cr(n, 2n), E ≈ 13-20 MeV; 52Cr(n, p), (n, α), E ≈ 5-19 MeV; 53Cr(n, p), E ≈ 5-20 MeV; 61,58Ni, 54Fe(n, p), E ≈ 2-20 MeV; 54Fe(n, α), E ≈ 4-20 MeV; 58Ni, 54Fe(n, 2n), E ≈ 14-20 MeV; 56Fe(n, 2n), E=11-22 MeV; 60Ni, 56Fe(n, p), E ≈ 5-20 MeV; 58Ni(n, np), E ≈ 10-20 MeV; 62Ni(n, p), (n, α), E ≈ 6-20 MeV; calculated reaction σ(E). Statistical model.
1990CA13 Z.Phys. A335, 271 (1990) G.Cata, D.Bucurescu, D.Cutoiu, M.Ivascu, N.V.Zamfir Effective Boson Number Calculations in Mo and Cd Isotopes NUCLEAR STRUCTURE 96,98,100,102,104Mo, 106,108,110,112,114,116Cd; calculated levels, B(λ), γ-branching. Interacting boson model.
1990IV01 Fiz.Elem.Chastits At.Yadra 21, 1405 (1990); Sov.J.Part.Nucl. 21, 599 (1990) Cluster Radioactivity Half-Lives RADIOACTIVITY A=221-252; compiled, reviewed cluster decay T1/2 data, model results.
1990ZA04 Phys.Lett. 241B, 463 (1990) N.V.Zamfir, D.Bucurescu, R.F.Casten, M.Ivascu A Simple Phenomenology for 2+(γ) States NUCLEAR STRUCTURE Z=20-100; analyzed 2+ level data.
doi: 10.1016/0370-2693(90)91852-3
1989AV03 J.Phys.(London) G15, L241 (1989) M.Avrigeanu, D.Bucurescu, M.Ivascu, G.Semenescu, V.Avrigeanu On the Overlap of the Pre-Equilibrium and Direct Reaction Models NUCLEAR REACTIONS 54,56Fe(n, n'), E=11 MeV; calculated σ. 56Fe(n, n'), E ≈ 14 MeV; calculated neutron emission spectra. Preequilibrium, direct reaction models overlap.
doi: 10.1088/0954-3899/15/11/004
1989BA01 Z.Phys. A332, 29 (1989) A.F.Barfield, P.von Brentano, A.Dewald, K.O.Zell, N.V.Zamfir, D.Bucurescu, M.Ivascu, O.Scholten Evidence for the Two-Body Nature of the E1 Transition Operator in the sdf-Interacting Boson Model NUCLEAR REACTIONS 144Sm(α, α'), E=14 MeV; measured γ-spectra following Coulomb excitation. 144Sm levels deduced B(λ). sdf-interacting boson model.
1989BU20 Phys.Lett. 229B, 321 (1989) D.Bucurescu, G.Cata, D.Cutoiu, E.Dragulescu, M.Ivascu, N.V.Zamfir, A.Gizon, J.Gizon Investigation of the Particle-Core Structure of Odd-Mass Nuclei in the N(p)N(n) Scheme NUCLEAR STRUCTURE A ≈ 80-100; A ≈ 130; analyzed odd mass nuclei band structure; deduced particle-core structure. The N(p)N(n) scheme.
doi: 10.1016/0370-2693(89)90411-5
1989PE17 Stud.Cercet.Fiz. 41, 451 (1989) C.M.Petrache, M.Ivascu, G.Semenescu Modelul Nilsson Rotitor si Structura de Benzi a Nucleului Impar-impar 134Pr NUCLEAR STRUCTURE 134Pr; calculated levels. Rotating Nilsson model.
1989PO18 Nucl.Phys. A502, 59c (1989) D.N.Poenaru, W.Greiner, M.Ivascu Predicted Halflives for Cluster Radioactivities
doi: 10.1016/0375-9474(89)90654-4
1989SI13 J.Phys.(London) G15, 1405 (1989) Estimates of the Influence of Nuclear Deformations on the Lifetimes of Heavy-Fragment Radioactivities RADIOACTIVITY 234,232U(24Ne); 234U, 234Pu(28Mg); 241Am, 237Np(30Mg); 240,246Cm, 240Pu, 241Am(34Si); calculated fragment emission energy, T1/2; deduced deformations role.
doi: 10.1088/0954-3899/15/9/010
1988AV04 Z.Phys. A329, 177 (1988) M.Avrigeanu, M.Ivascu, V.Avrigeanu Pre-Equilibrium Emission in Neutron Induced Reactions on 54,56Fe NUCLEAR REACTIONS 54,56Fe(n, p), (n, xp), (n, α), (n, xα), (n, xn), (n, 2n), E=20 MeV; 54,56Fe(n, p), (n, α), E=14.8 MeV; calculated σ(En), σ(θp, Ep), σ(θn, En), angle integrated σ. Hybrid preequilibrium emission model.
1988BU09 J.Phys.(London) G14, L175 (1988) D.Bucurescu, G.Cata, M.Ivascu, N.V.Zamfir, C.F.Liang, P.Paris Collectivity of the Neutron-Deficient Odd Yttrium Isotopes NUCLEAR STRUCTURE 79,81,85,83Y; calculated levels. Multi-shell, interacting boson fermion model.
1988IO02 Rev.Roum.Phys. 33, 239 (1988) D.B.Ion, R.Ion-Mihai, M.Ivascu Theoretical Predictions for Nuclear Pionic Radioactivity RADIOACTIVITY 234,236U, 240,242Pu, 244,246Cm, 250,252Cf, 256,258Fm, 260Rf, 264Hs(SF); calculated pion decay T1/2. Pion fissionability parameter.
1988IO03 Rev.Roum.Phys. 33, 109 (1988) D.B.Ion, R.Ion-Mihai, M.Ivascu Spontaneous Lambda0 Emission as a Natural Strange Radioactivity RADIOACTIVITY 256,257Fm, 250,252Cf, 242,244Cm, 240,242Pu(SF); calculated lambda-emission width. NUCLEAR REACTIONS 233,235U(n, F), E=thermal; calculated lambda-emission width following fission.
1988IO04 Rev.Roum.Phys. 33, 1071 (1988) D.B.Ion, R.Ion-Mihai, M.Ivascu Predictions for Pionic Radioactivity of Even-Even Parent Nuclei RADIOACTIVITY 236,238U, 242,244Pu, 248,250Cm, 252,254,256Cf, 244,248,256,258Fm, 258No, 260,262Rf, 264Hs(SF); calculated pion decay Γ(π)/Γ(SF).
1988IO05 Rev.Roum.Phys. 33, 1075 (1988) D.B.Ion, R.Ion-Mihai, M.Ivascu Predictions for Pion Radioactivity of Heavy Nuclei with A-Odd RADIOACTIVITY 233,235U, 237Np, 239Pu, 241,243Am, 249Bk, 249Cf, 253,255Es, 257,259Fm, 259,257Md, 259Lr, 259Sg, 261Bh(SF); calculated pion decay Γ(π)/Γ(SF).
1988IV02 Nucl.Phys. A485, 93 (1988) The Microscopic Approach to the Rates of Radioactive Decay by Emission of Heavy Clusters RADIOACTIVITY 222,223,224,226Ra, 231Pa, 232,233U(α), (12C), (24Ne); calculated α-, cluster-decay T1/2, ratios, spectroscopic factor, Γ ratios. Microscopic model.
doi: 10.1016/0375-9474(88)90524-6
1988IV04 Rev.Roum.Phys. 33, 105 (1988) M.Ivascu, M.Brehui, M.Haiduc, D.B.Ion, R.Ion-Mihai, C.Petrascu, M.Petrascu, K.Tolstov, V.Topor Search for Pion Emission in Thermal Neutron Induced Fission of 235U NUCLEAR REACTIONS 235U(n, F), E=thermal; measured charged pion emission (Γπ/ΓF) upper limit following fission.
1987AV07 Rev.Roum.Phys. 32, 837 (1987) M.Avrigeanu, V.Avrigeanu, G.Cata, M.Ivascu EDBW Model for the E1 Gamma-Ray Strength Function in the Mass Region 50 ≤ A ≤ 90 NUCLEAR STRUCTURE A=40-240; analyzed GDR data; deduced E1 strength function nuclear deformation dependence for A=50-90.
1987DR12 Rev.Roum.Phys. 32, 485 (1987) E.Dragulescu, M.Ivascu, M.Ionescu-Bujor, A.Iordachescu, C.Petrache, D.Popescu, G.Pascovici, G.Semenescu, M.Duma, I.Gurgu, F.Baciu, R.A.Meyer, V.Paar, S.Brant, D.Vorkapic, D.Vretenar, H.Ajazaj High-Spin Spectroscopy of Pr Nuclei NUCLEAR REACTIONS 118,119,120,122,124Sn, 121,123Sb, 125,126,128,130Te, 136,138Ce(19F, X), (16O, X), (14N, X), E not given; measured Eγ, Iγ, γ(θ), γγ(t), X-ray(γ)(t). 133,134,135,136,137,138,139Pr deduced levels, J, π, band structure, γ-branching. In-beam γ-ray spectroscopy. Interacting boson model calculations.
1987DR13 Rev.Roum.Phys. 32, 743 (1987) E.Dragulescu, M.Ivascu, D.Popescu, G.Semenescu, I.Gurgu, L.Marinescu, F.Baciu Levels in 134,135,136Ba Excited by the (9Be, xnγ) Reactions NUCLEAR REACTIONS 128,130Te(9Be, xn), E=30-37 MeV; measured σ(E, Eγ), γ-spectra. 134,135,136Ba deduced levels, band characteristics.
1987DR14 Rev.Roum.Phys. 32, 947 (1987) E.Dragulescu, M.Ivascu, C.Petrache, D.Popescu, G.Semenescu, M.Duma, I.Gurgu, F.Baciu, S.Brant, V.Paar, D.Vorkapic Shape Transition in Pr Nuclei NUCLEAR REACTIONS 118,119,120Sn(19F, xn), E=72-76 MeV; 125Te(14N, 4n), E=52-58 MeV; measured γγ(t), γ(X-ray)(t), σ(Eγ, E). 133,135Pr deduced levels, J, π.
1987IO03 Rev.Roum.Phys. 32, 299 (1987) D.B.Ion, R.Ion-Mihai, M.Ivascu Experimental Evidence for Spontaneous Pion Emission from Ground State of 252Cf RADIOACTIVITY 252Cf(SF); measured light charged particle spectra following (SF)-decay; deduced evidence for natural π-, μ-decay, Γ(π+μ)/Γ(SF). ΔE-E method.
1987IV01 Rev.Roum.Phys. 32, 549 (1987) M.Ivascu, A.Sandulescu, I.Silisteanu On the Rates of Radioactive Decays by Emission of Heavy Clusters RADIOACTIVITY 222,223,224,226Ra(14C), 231Pa, 232,233U(24Ne); calculated T1/2, branching ratios, one-body resonance widths, cluster spectroscopic factors. Microscopic-macroscopic method.
1987IV03 Rev.Roum.Phys. 32, 697 (1987) M.Ivascu, V.Avrigeanu, M.Avrigeanu Nuclear Level Densities in the Mass Range 40 < A < 65 NUCLEAR STRUCTURE A=40-70; calculated level densities. Back shifted Fermi gas model.
1987IV04 Rev.Roum.Phys. 32, 713 (1987) M.Ivascu, M.Avrigeanu, V.Avrigeanu A Geometry Dependent Hybrid Pre-Equilibrium Emission Model with Conservation of Angular Momentum NUCLEAR REACTIONS 46,48Ti(n, np), E=15 MeV; calculated angle integrated σ. Geometry dependent hybrid preequilibrium model.
1987IV05 Rev.Roum.Phys. 32, 937 (1987) M.Ivascu, D.B.Ion, D.Bucurescu, G.Cata, D.Cutoiu, D.Galeriu, R.Ion-Mihai, N.V.Zamfir Search for Spontaneous Emission of Mesons from 252Cf RADIOACTIVITY 252Cf(SF); measured (light particle)(heavy particle)-coin; deduced meson decay branching upper limits.
1987PO08 Rev.Roum.Phys. 32, 283 (1987) D.N.Poenaru, M.Ivascu, D.Mazilu, I.H.Plonski Superasymmetric Fission Model for Deformed Nuclei RADIOACTIVITY 221,222,223,224,226Ra, 221Fr, 225Ac(14C); 230,232Th, 232,233U, 231Pa(24Ne); 237Np(32Si); 241Am(34Si); calculated log T1/2. Superasymmetric fission model.
1987PO16 Z.Phys. A328, 309 (1987) D.N.Poenaru, J.A.Maruhn, W.Greiner, M.Ivascu, D.Mazilu, R.Gherghescu Cold Fission as Heavy Ion Emission RADIOACTIVITY 234,236U, 239Np, 240Pu(SF); calculated most probable cold fission light fragments, charged particle emission T1/2 vs fragment mass. Analytical superasymmetric fission model.
1986BU10 Z.Phys. A324, 387 (1986); Erratum Z.Phys. A327, 241 (1987) D.Bucurescu, G.Cata, D.Cutoiu, G.Constantinescu, M.Ivascu, N.V.Zamfir An Extended IBA Consistent-Q Formalism Applied to Ru and Pd Isotopes NUCLEAR STRUCTURE 98,100,102,104,106,108Ru, 102,104,106,108,110,112Pd; calculated levels, B(E2). Interacting boson approximation.
1986GA04 J.Phys.(London) G12, 329 (1986) D.Galeriu, D.Bucurescu, M.Ivascu Nuclear Deformations in the A ≈ 80-100 Region NUCLEAR STRUCTURE 77,79,81,82,83,84,85,86,90,91,92,93,94,95,96,97,98,99Sr, 99,100,101,102,103,104,105,106,107,108,109,110,111,112Pd; calculated mass excess errors. 92,98,100Zr; calculated mass coefficient vs deformation. 92,93,94,95,96,97,98,99,100Zr; calculated stiffness coefficient. 92,94,96,98Zr; calculated 2+ levels. 92,94,96,98,100,102,104,106Mo; calculated dynamic deformation vs N. 81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102Zr, 93,95,97,99,101Sr, 97,99,101Mo; calculated Fermi energy nucleon number dependence. 100,102,106Mo, 96,98,100,101,102,103Zr, 76,77,78,96,98Sr, 72,73,74,75,76,78Kr; calculated potential energy surfaces. Strutinsky approach, Nilsson type potential.
doi: 10.1088/0305-4616/12/4/006
1986IO02 Rev.Roum.Phys. 31, 551 (1986) D.B.Ion, R.Ion-Mihai, M.Ivascu Experimental Evidence for Spontaneous Pion Emission from the Ground State of Transuranium Nuclides NUCLEAR REACTIONS 235U(n, F), E=thermal; analyzed light particle emission data following fission; deduced π, μ emissions. RADIOACTIVITY 252Cf, 259Md(SF); analyzed light particle emission data; deduced π, μ emissions.
1986IO03 Ann.Phys.(New York) 171, 237 (1986) D.B.Ion, M.Ivascu, R.Ion-Mihai Spontaneous Pion Emission as a New Natural Radioactivity RADIOACTIVITY Z=92-106; calculated pionic decay Q, decay widths, statistical factors, energy distributions; deduced pionic radioactivity, possible mechanisms. Nuclear masses input.
doi: 10.1016/0003-4916(86)90001-1
1986IV02 Radiat.Eff. 95, 207 (1986) M.Ivascu, M.Avrigeanu, V.Avrigeanu Preequilibrium and Statistical Model Calculations for Neutron Activation Cross Sections on Titanium Isotopes NUCLEAR REACTIONS 46,47,48,49,50Ti(n, p), (n, n'p), (n, 2n), E=threshold-20 MeV; calculated σ(E). Hauser-Feshbach, optical model, preequilibrium emission.
doi: 10.1080/00337578608208697
1986IV03 Radiat.Eff. 95, 211 (1986) M.Ivascu, M.Avrigeanu, V.Avrigeanu Level Density Shell Effects in Neutron Induced Reactions on Molybdenum Isotopes NUCLEAR REACTIONS 92,94,95,96,97,98,100Mo(n, p), (n, n'p), (n, 2n), E=threshold-20 MeV; calculated σ(En), binding energies; deduced isotopic effects. Preequilibrium, statistical models.
doi: 10.1080/00337578608208698
1986PO06 At.Data Nucl.Data Tables 34, 423 (1986) D.N.Poenaru, W.Greiner, K.Depta, M.Ivascu, D.Mazilu, A.Sandulescu Calculated Half-Lives and Kinetic Energies for Spontaneous Emission of Heavy Ions from Nuclei NUCLEAR STRUCTURE Z=47-106; calculated, evaluated heavy-ion SF decay characteristics, T1/2, branching ratio relative to α-decay, Q, kinetic energies. Analytical superasymmetric fission model.
doi: 10.1016/0092-640X(86)90013-6
1986PO15 Z.Phys. A325, 435 (1986) D.N.Poenaru, W.Greiner, M.Ivascu, D.Mazilu, I.H.Plonski Odd-Even Staggering of Heavy Cluster Spontaneous Emission Rates RADIOACTIVITY 221,222Ra, 228Th, 221Fr, 224,225Ac(14C); 223,225,224Ac(15N); 228,229Th(20O); 230Th(22O); 229,230,232Th, 232,234,233,235U, 231Pa(24Ne); 232Th, 234,235U(26Ne); 234,233,235U, 232Th, 236Pu, 236Np(28Mg); 233,235U(25Ne); 240,239Pu, 242Cm, 241Am(34Si), 252Cf, 252Es(46Ar); 240Cm, 237Np, 235U(32Si); 252Cf, 251Es, 255No, 254Md(48Ca); 231Pa(23F); 237Np(30Mg); 235U, 236Np(29Mg); 239Pu(33Si); 257Fm, 258Md(51Ca); calculated T1/2, branching ratios. Analytical superasymmetric fission model.
1985BU10 Rev.Roum.Phys. 30, 181 (1985) D.Bucurescu, G.Cata, G.Constantinescu, D.Cutoiu, M.Ivascu, N.V.Zamfir Interacting Boson and Interacting Boson-Fermion Calculations in the A ≈ 100 Transitional Region NUCLEAR STRUCTURE 96,98,100,102,104,106Ru, 98,100,102,104,106,108Pd; calculated levels, band structure, B(E2), quadrupole moment. 97,99,101,103,105Rh; calculated levels, model parameter dependence. Interacting boson model.
1985BU11 Nucl.Phys. A443, 217 (1985) D.Bucurescu, G.Cata, D.Cutoiu, G.Constantinescu, M.Ivascu, N.V.Zamfir IBFA Description of High-Spin Positive-Parity States in Rh Isotopes NUCLEAR STRUCTURE 96,98,100,102,104,106Ru, 99Rh; calculated levels, B(E2). 97,101,103,105,107Ru; calculated levels; deduced model parameters. Interacting boson-fermion approximation. NUCLEAR REACTIONS 88Sr(14N, 3n), E=54 MeV; measured Eγ, Iγ, recoil. 99Rh deduced levels, T1/2, B(E2). Interacting boson-fermion approximation model comparison.
doi: 10.1016/0375-9474(85)90261-1
1985GR01 Z.Phys. A320, 347 (1985) W.Greiner, M.Ivascu, D.N.Poenaru, A.Sandulescu On Exotic Nuclear Decay of 223Ra by Emission of 14C Nuclei RADIOACTIVITY 238U; calculated α, Ne, Mg, S, 34Si, Ar, Ca, Ti, Cr, Fe penetrability, T1/2. Even-even cluster emission, superasymmetric fission mechanism.
doi: 10.1007/BF01881286
1985PO11 Phys.Rev. C32, 572 (1985) D.N.Poenaru, M.Ivascu, A.Sandulescu, W.Greiner Atomic Nuclei Decay Modes by Spontaneous Emission of Heavy Ions RADIOACTIVITY 222Fr, 222,223,224,226Ra(14C); 223,224Ac, 231Th, 232U(15N); 233,235U(24Ne); 233,235U(25Ne); 233U, 236Np, 236Pu(28Mg); 235U, 236Np(29Mg); 239Cm(32Si); 251Cf(46Ar); 253Fm, 254Md, 255No(48Ca); 258Md, 259No(50Ca); calculated decay T1/2, (heavy ion/α) branching ratio.
doi: 10.1103/PhysRevC.32.572
1985PO12 Rev.Roum.Phys. 30, 173 (1985) D.N.Poenaru, M.Ivascu, A.Sandulescu, W.Greiner New Natural Radioactivities by Emission of Heavy Ions RADIOACTIVITY 222Fr, 225,226Ra, 223,224,225,227Ac, 227,228,229,230,232Th, 231Pa, 232,233,234,235,238U, 236,237Np, 236,239,240,242Pu, 243Am, 239,251,252Cf; calculated heavy ion emission T1/2, branching ratio relative to α-decay.
1985PO14 J.Phys.(Paris), Lett. 46, L591 (1985) Two Alpha, Three Alpha and Multiple Heavy-Ion Radioactivities RADIOACTIVITY 219,220Ac, 220,221,225,226Th, 222,223,225Pa, 221Ra, 232,236Pu, 233Am, 235Np, 236Pu(SF); calculated multiple, single heavy ion emission T1/2 following fission, decay mode competition. Superasymmetric fission model, analytical variant.
doi: 10.1051/jphyslet:019850046013059100
1985PO20 Phys.Rev. C32, 2198 (1985) D.N.Poenaru, W.Greiner, M.Ivascu, A.Sandulescu Heavy Cluster Decay of Trans-Zirconium ' Stable ' Nuclides RADIOACTIVITY 150Sm(12C), (α); 151Eu, 156Dy, 181Ta, 180,182,183,184W, 184Os(α); 154Gd(16O), (α); 169Tm, 170Yb(32Si), (α); 168Yb(30Si), (α); 180Hf, 185Re(48Ca), (α); 186W(50Ca), (α); 187Os(49Ca), (α); 188Os(52Ti), (α); 189Os(53Ti), (α); 192Os(58Cr), (α); 191Ir, 192Pt(56Cr), (α); 198Pt(58Ni), (α); 197Au(62Fe), (α); 196Hg(60Fe), (α); 202Hg(68Ni), (α); calculated heavy cluster decay, Q, T1/2. Analytical superasymmetric fission model.
doi: 10.1103/PhysRevC.32.2198
1984BU26 J.Phys.(London) G10, 1189 (1984) D.Bucurescu, G.Constantinescu, D.Cutoiu, M.Ivascu, N.V.Zamfir, A.A.Haliem High-Spin States in 86Y NUCLEAR REACTIONS, ICPND 76Ge(14N, 4n), E=38-56 MeV; 73Ge(16O, 2np), E=48-60 MeV; measured Eγ, Iγ, σ(E), σ(Eγ, θγ), (charged-particle)γ-, γγ-coin. 86Y deduced levels, J, π. Ge(Li) detectors, enriched targets.
doi: 10.1088/0305-4616/10/9/009
1984DR03 Nucl.Phys. A419, 148 (1984) E.Dragulescu, M.Ivascu, R.Mihu, D.Popescu, G.Semenescu, V.Paar, D.Vretenar Coulomb Excitation of Levels in 143Nd and 145Nd NUCLEAR REACTIONS 143,145Nd(16O, 16O'), E=35-45 MeV; 143,145Nd(α, α'), E=9.7-12.2 MeV; measured Coulomb excitation, Eγ, Iγ, σ(Eγ, θγ). 143,145Nd deduced levels, decay, J, π, δ, B(E2). Enriched targets.
doi: 10.1016/0375-9474(84)90290-2
1984DR05 J.Phys.(London) G10, 1099 (1984) E.Dragulescu, M.Ivascu, R.Mihu, D.Popescu, G.Semenescu, A.Velenik, V.Paar Coulomb Excitation of Levels in 135Ba and 137Ba NUCLEAR REACTIONS 135,137Ba(α, α'), E=9.6-12.2 MeV; 135,137Ba(16O, 16O'), E=35-45 MeV; measured Eγ, Iγ, γ(θ), σ(Eγ, E) following Coulomb excitation. 135Ba(14N, 14N'), E=40 MeV; measured Eγ, Iγ, γ(θ) following Coulomb excitation. 135,137Ba deduced levels, J, π, δ, γ-branching, B(E2). Enriched targets, Ge(Li) detectors, Compton suppression spectrometer.
doi: 10.1088/0305-4616/10/8/015
1984PO08 J.Phys.(London) G10, L183 (1984) D.N.Poenaru, M.Ivascu, A.Sandulescu, W.Greiner Spontaneous Emission of Heavy Clusters RADIOACTIVITY 223,226Ra, 227Ac, 230,232Th, 232,233,234,235,238U, 237Np, 252Cf(SF); calculated cluster SF decay T1/2, (T1/2(SF)/T1/2(α)); deduced decay probability dependence on magic, near magic nature of daughter nucleus. Two-center spherical shape parametrization.
doi: 10.1088/0305-4616/10/8/004
1984PO11 J.Phys.(Paris) 45, 1099 (1984) 5He Radioactivity RADIOACTIVITY 214,217At, 217,218,226Ac, 219,221,218,227Th, 217,216Ra, 215,216Fr, 212,213Po, 215Rn; calculated SF decay T1/2 for 5He emission.
doi: 10.1051/jphys:019840045070109900
1984PO22 Izv.Akad.Nauk SSSR, Ser.Fiz. 48, 1897 (1984) D.N.Poenaru, M.Ivascu, A.Sendulesky, V.Grainer Decay of Heavy Nuclei with Cluster Emission NUCLEAR STRUCTURE 223,224Ra, 227Ac, 230,232Th, 231Pa, 232,233,234,235,238U, 237Np, 252Cf; calculated α-decay to cluster emission T1/2 ratio following fission.
1984PO25 Rev.Roum.Phys. 29, 587 (1984) The Island of Alpha Activity Close to the Double Magic Nucleus 100Sn RADIOACTIVITY 106,108,107,109,110Te, 110,112,111,113Xe, 110,111,112,113I, 114Cs(α); N=55-100; Te, Xe, I, Cs, Ba, La, Ce, Pr, Nd, Pm(α); calculated T1/2 for range of isotopes. Semi-empirical formula, Q from mass formula.
1984PO26 Rev.Roum.Phys. 29, 623 (1984) Spontaneous Emission of Charged Particles from Nuclei NUCLEAR STRUCTURE 208Pb, 209Bi, 211At, 210Po, 212Rn; calculated spontaneous Z=3-10 charged particle decay T1/2. Experimental mass tabulation input.
1983BU09 Nucl.Phys. A401, 22 (1983) D.Bucurescu, G.Cata, D.Cutoiu, G.Constantinescu, M.Ivascu, N.V.Zamfir Description of the Neutron Deficient Sr and Zr Isotopes in the Interacting Boson Model NUCLEAR STRUCTURE 78,80,82,84Sr; calculated levels, potential energy surfaces, backbending plots, B(E2) ratios. 80,82,84,86Zr; calculated levels, backbending plots, B(E2) ratios. 85Y, 83,81Sr; calculated levels, B(E2). Interacting boson model.
doi: 10.1016/0375-9474(83)90334-2
1983DR10 Rev.Roum.Phys. 28, 13 (1983) E.Dragulescu, M.Ivascu, R.Mihu, D.Popescu, G.Semenescu Levels of 141Nd Populated by 141Pr(p, nγ)141Nd Reaction NUCLEAR REACTIONS 141Pr(p, nγ), E=3.85-5.35 MeV; measured Eγ, Iγ, σ(Eγ), γγ-coin. 141Nd deduced levels, γ-branching, J, π. Unified model, intermediate coupling approach.
1983PO06 J.Phys.(Paris) 44, 791 (1983) Estimation of the Alpha Decay Half-Lives RADIOACTIVITY N ≈ 90-155; calculated α-decay partial T1/2. Fission theory based semi-empirical relationships.
doi: 10.1051/jphys:01983004407079100
1983PO07 Rev.Roum.Phys. 28, 309 (1983) A Basic Set of Experimental Data on the Strong Alpha Transitions RADIOACTIVITY A=108-244; analyzed α-decay T1/2, Q data; deduced semi-empirical formula parameters.
1982PO06 Rev.Roum.Phys. 27, 129 (1982) Fission Approach to the Alpha Decay RADIOACTIVITY N=110-156; calculated α-decay T1/2, interaction, fission barriers, shell effects. Fission approach, Myers-Swiatecki liquid drop model.
1981BU02 J.Phys.(London) G7, 399 (1981) D.Bucurescu, G.Constantinescu, M.Ivascu, N.V.Zamfir, M.Avrigeanu Recoil-Distance Measurements of the Lifetimes of High-Spin States in 83Sr and 85Sr NUCLEAR REACTIONS 74,76Ge(12C, 3n), E=40-45 MeV; measured γ(θ), DSA, recoil. 83,85Sr deduced levels, J, π, γ-branching, δ, T1/2, γ-multipolarity, B(M1), B(E2). Enriched targets, Ge(Li)detector. Asymmetric rotor model, variable moment of inertia.
doi: 10.1088/0305-4616/7/3/015
1981BU05 J.Phys.(London) G7, 667 (1981) D.Bucurescu, G.Constantinescu, M.Ivascu, N.V.Zamfir, M.Avrigeanu, D.Cutoiu Evidence for a g9/2 Decoupled Band in 85Y NUCLEAR REACTIONS 74Ge(14N, 3n), E=40-52 MeV; 72Ge(16O, 2np), E=45-64 MeV; 73Ge(16O, 3np), E=48-60 MeV; measured σ(Eγ, E), σ(Eγ, θ), pγ-, γγ-coin. 85Y deduced levels, J, π. Enriched targets, Ge(Li) detector.
doi: 10.1088/0305-4616/7/5/011
1981BU06 J.Phys.(London) G7, L123 (1981) D.Bucurescu, G.Constantinescu, D.Cutoiu, M.Ivascu, N.V.Zamfir Possible Shape Phase Transition in the Heavy Kr Isotopes NUCLEAR STRUCTURE 70,72,74,76,78,80,82,84,86,88,90,92,94,96Kr; calculated potential energy surfaces; deduced phase transition effects between N=58 and 60. Mascroscopic approach, shell, pairing effect microscopic corrections.
doi: 10.1088/0305-4616/7/1/016
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