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NSR database version of May 20, 2024.

Search: Author = A.Iordachescu

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2021AY05      Phys.Rev. C 104, 054309 (2021)

S.Aydin, M.Ionescu-Bujor, N.Marginean, C.Costache, D.Bucurescu, N.Florea, T.Glodariu, A.Ionescu, A.Iordachescu, R.Marginean, C.Mihai, R.E.Mihai, A.Mitu, A.Negret, C.R.Nita, A.Olacel, S.Pascu, L.Stroe, R.Suvaila, S.Toma, A.Turturica

Lifetime measurements and evidence for triaxial nuclear shapes in 127Cs

NUCLEAR REACTIONS 121Sb(12C, 2nα)127Cs, E=54 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO ratios), level T1/2 by DSAM and by fast-timing method using an array of LaBr3(Ce) detectors and ROSPHERE array for γ detection at the FN Tandem accelerator of IFIN-HH-Bucharest. 127Cs; deduced high-spin levels, J, π, bands, multipolarities, multipole mixing ratios, B(M1), B(E2), signature splitting S(J), configurations, evidence for triaxial nuclear shapes in the states described by the proton h11/2 orbital, soft core for quadrupole deformation and shape asymmetry due to polarizing h11/2 protons. Comparison with quasiparticle plus triaxial rotor (QTR) model predictions.

doi: 10.1103/PhysRevC.104.054309
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2020IO02      Phys.Rev. C 102, 044311 (2020)

M.Ionescu-Bujor, S.Aydin, A.Iordachescu, N.Marginean, S.Pascu, D.Bucurescu, C.Costache, N.Florea, T.Glodariu, A.Ionescu, R.Marginean, C.Mihai, R.E.Mihai, A.Mitu, A.Negret, C.R.Nita, A.Olacel, B.SaygI, L.Stroe, R.Suvaila, S.Toma, A.Turturica

Band structures, lifetimes, and shape coexistence in 130La

NUCLEAR REACTIONS 121Sb(12C, 3n)130La, E=54 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO), isomer and level half-lives by γγ(t) using the ROSPHERE array of 14 HPGe detectors and 11 LaBr3(Ce) scintillators at the FN Tandem accelerator of IFINHH-Bucharest. 130La; deduced high-spin levels, J, π, bands, multipolarities, configurations, B(M1), B(E2), transition quadrupole moments, β2 deformation parameters. Comparison with two-quasiparticle-plus-rotor model calculations, and with geometrical model of Donau and Frauendorf for B(M1) strengths.

doi: 10.1103/PhysRevC.102.044311
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2018IO02      Phys.Rev. C 98, 054305 (2018)

M.Ionescu-Bujor, S.Aydin, N.Marginean, C.Costache, D.Bucurescu, N.Florea, T.Glodariu, A.Ionescu, A.Iordachescu, R.Marginean, C.Mihai, R.E.Mihai, A.Mitu, A.Negret, C.R.Nita, A.Olacel, S.Pascu, B.Saygi, L.Stroe, R.Suvaila, S.Toma, A.Turturica

Lifetime measurements in the chiral-candidate doublet bands of 130La

NUCLEAR REACTIONS 121Sb(12C, 3n), E=54 MeV; measured Eγ, γ(θ), γγ-coin, level half-lives by Doppler-shift attenuation method and the in-beam fast γγ(t) timing technique using the ROSPHERE array for γ detection at the FN Tandem accelerator of IFIN-HH, Bucharest. 130La; deduced levels, J, π, chiral band doublet, B(E1), B(M1), B(E2), energy separation and staggering of yrast and sideband, configuration. Comparison with theoretical predictions from two-quasiparticles-plus triaxial rotor model (TQRM).

doi: 10.1103/PhysRevC.98.054305
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2014IO01      Phys.Rev. C 90, 014323 (2014), Erratum Phys.Rev. C 90, 029903 (2014)

M.Ionescu-Bujor, A.Iordachescu, N.Marginean, R.Lica, D.Bucurescu, F.Brandolini, D.Deleanu, D.Filipescu, I.Gheorghe, D.Ghita, T.Glodariu, R.Marginean, N.H.Medina, C.Mihai, A.Negret, L.Stroe, C.A.Ur

Structure of 130La at low and medium spins

NUCLEAR REACTIONS 121Sb(12C, 3n), E=50 MeV; 116Sn(16O, np), E=70 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO), isomer half-lives by γ(t), g factors by γ(t, θ, H) time-differential perturbed angular distribution (TDPAD) at Tandem accelerator facility of IFIN-HH at Bucharest. 130La; deduced low and medium spin levels, J, π, conversion coefficient, multipolarity, configuration, electric quadrupole coupling constant. Comparison with two-quasiparticles plus rotor model calculations.

NUCLEAR MOMENTS 130La; measured γ(t, θ, H) time-differential perturbed angular distribution (TDPAD); deduced isomeric state g factor, quadrupole coupling constant in polycrystalline metallic Sn lattice.

NUCLEAR STRUCTURE 130La; calculated levels, J, π using two-quasiparticles plus rotor model. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.014323
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2012MA40      Phys.Rev. C 86, 034339 (2012)

R.Marginean, C.Rusu, N.Marginean, D.Bucurescu, C.A.Ur, G.de Angelis, M.Axiotis, D.Bazzacco, E.Farnea, A.Gadea, M.Ionescu-Bujor, A.Iordachescu, W.Krolas, Th.Kroll, S.M.Lenzi, S.Lunardi, D.R.Napoli, C.Rossi Alvarez, J.Wrzesinski

High-spin structure of 95Pd

NUCLEAR REACTIONS 58Ni(40Ca, n2p), E=135 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin, γ(θ), γγ(θ)(DCO), level half-lives by γγ(t) using GASP, ISIS arrays and Neutron ring at Legnaro XTU Tandem accelerator facility. 95Pd; deduced levels, J, π, multipolarity, bands, B(E1), B(M1), B(E2). Comparison with large-scale shell-model calculations.

doi: 10.1103/PhysRevC.86.034339
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2012RE11      Phys.Rev. C 85, 064305 (2012)

F.Recchia, S.M.Lenzi, S.Lunardi, E.Farnea, A.Gadea, N.Marginean, D.R.Napoli, F.Nowacki, A.Poves, J.J.Valiente-Dobon, M.Axiotis, S.Aydin, D.Bazzacco, G.Benzoni, P.G.Bizzeti, A.M.Bizzeti-Sona, A.Bracco, D.Bucurescu, E.Caurier, L.Corradi, G.de Angelis, F.Della Vedova, E.Fioretto, A.Gottardo, M.Ionescu-Bujor, A.Iordachescu, S.Leoni, R.Marginean, P.Mason, R.Menegazzo, D.Mengoni, B.Million, G.Montagnoli, R.Orlandi, G.Pollarolo, E.Sahin, F.Scarlassara, R.P.Singh, A.M.Stefanini, S.Szilner, C.A.Ur, O.Wieland

Spectroscopy of odd-mass cobalt isotopes toward the N=40 subshell closure and shell-model description of spherical and deformed states

NUCLEAR REACTIONS 208Pb, 238U(70Zn, X)61Co/62Co/63Co/64Co/65Co/66Co/67Co/62Fe/64Ni/66Ni, E=460 MeV; measured mass spectrum of cobalt isotopes, Eγ, Iγ, γγ-, (particle)γ-coin, γ(θ). 61,62,63,64,65,66,67Co, 62Fe, 64,66Ni; deduced high-spin levels, J, π, isomeric states, deformation, configurations. Comparison with large-scale shell-model calculations in the fpgd model space. Shell evolution below 68Ni and island of inversion around N=40. Systematics of first 9/2- and 11/2- states in 55,57,59,61,63,65,67Co and first 2+ states in N=28-40 Ni isotopes. Discussed particle-phonon weak coupling.

NUCLEAR STRUCTURE 61,63,65,67Co; calculated levels, J, π using large-scale shell model with LNPS interaction, and weak coupling model.

doi: 10.1103/PhysRevC.85.064305
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2012RE16      Phys.Scr. T150, 014034 (2012)

F.Recchia, S.M.Lenzi, S.Lunardi, E.Farnea, A.Gadea, N.Marginean, J.J.Valiente-Dobon, M.Axiotis, S.Aydin, D.Bazzacco, G.Benzoni, P.G.Bizzeti, A.M.Bizzeti-Sona, A.Bracco, D.Bucurescu, F.Camera, L.Corradi, G.de Angelis, F.Della Vedova, E.Fioretto, M.Ionescu-Bujor, A.Iordachescu, S.Leoni, R.Marginean, P.Mason, R.Menegazzo, D.Mengoni, B.Million, G.Montagnoli, D.R.Napoli, F.Nowacki, R.Orlandi, G.Pollarolo, A.Poves, E.Sahin, K.Sieja, F.Scarlassara, R.P.Singh, A.M.Stefanini, S.Szilner, C.A.Ur, O.Wieland

Toward the N = 40 sub-shell closure in Co isotopes and the new island of inversion

NUCLEAR REACTIONS 238U(70Zn, X)61Co/63Co/65Co, E=460 MeV; measured reaction products, Eγ, Iγ; deduced level scheme, J, π. Comparison with nuclear shell model calculations.

doi: 10.1088/0031-8949/2012/T150/014034
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2012Re24      J.Phys.:Conf.Ser. 381, 012082 (2012)

F.Recchia, S.M.Lenzi, S.Lunardi, E.Farnea, A.Gadea, N.Maginean, J.J.Valiente-Dobon, M.Axiotis, S.Aydin, D.Bazzacco, G.Benzoni, P.G.Bizzeti, A.M.Bizzeti-Sona, A.Bracco, D.Bucurescu, F. Camera, L.Corradi, G.de Angelis, F.Della Vedova, E.Fioretto, M.Ionescu-Bujor, A.Iordachescu, S.Leoni, R.Marginean, P.Mason, R.Menegazzo, D.Mengoni, B.Million, G.Montagnoli, D.R.Napoli, F.Nowacki, R.Orlandi, G.Pollarolo, A.Poves, E.Sahin, K.Sieja, F.Scarlassara, R.P.Singh, A.M.Stefanini, S.Szilner, C.A.Ur, O.Wieland

Spectroscopy of neutron-rich Co nuclei populated in the 70Zn+238U reaction

NUCLEAR REACTIONS 238U(70Zn, 61Co), (70Zn, 63Co), (70Zn, 65Co), E=460 MeV; measured Eγ, Iγ, Coγ-coin; deduced mass distributions, Doppler-corrected γ spectra. 65Co deduced levels, J, π. Compared with published preliminary LNPS shell model calculations.

doi: 10.1088/1742-6596/381/1/012082
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2011BA02      Phys.Rev. C 83, 014304 (2011)

D.L.Balabanski, M.Ionescu-Bujor, A.Iordachescu, D.Bazzacco, F.Brandolini, D.Bucurescu, S.Chmel, M.Danchev, M.De Poli, G.Georgiev, H.Haas, H.Hubel, N.Marginean, R.Menegazzo, G.Neyens, P.Pavan, C.Rossi Alvarez, C.A.Ur, K.Vyvey, S.Frauendorf

Spin, quadrupole moment, and deformation of the magnetic-rotational band head in 193Pb

NUCLEAR REACTIONS 170Er(28Si, 5n), E=143 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), γ(t), time-differential perturbed angular distribution (TDPAD). 193Pb; deduced levels, J, π, half-lives, spectroscopic quadrupole moments of the isomer and other states, configuration. Comparison with pairing-plus-quadrupole tilted-axis cranking calculations.

NUCLEAR MOMENTS 193Pb; measured spectroscopic quadrupole moments of the 13/2+ isomer and excited states by TDPAD. Comparison with values of 192,194,195,196Pb nuclei.

doi: 10.1103/PhysRevC.83.014304
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2010AT03      Europhys.Lett. 91, 42001 (2010)

L.Atanasova, D.L.Balabanski, S.K.Chamoli, M.Hass, G.S.Simpson, D.Bazzacco, F.Becker, P.Bednarczyk, G.Benzoni, N.Blasi, A.Blazhev, A.Bracco, C.Brandau, L.Caceres, F.Camera, F.C.L.Crespi, P.Detistov, P.Doornenbal, C.Fahlander, E.Farnea, G.Georgiev, J.Gerl, K.A.Gladnishki, M.Gorska, J.Grebosz, R.Hoischen, G.Ilie, M.Ionescu-Bujor, A.Iordachescu, A.Jungclaus, G.Lo Bianco, M.Kmiecik, I.Kojouharov, N.Kurz, S.Lakshmi, R.Lozeva, A.Maj, D.Montanari, G.Neyens, M.Pfutzner, S.Pietri, Zs.Podolyak, W.Prokopowicz, D.Rudolph, G.Rusev, T.R.Saito, A.Saltarelli, H.Schaffner, R.Schwengner, S.Tashenov, J.J.Valiente-Dobon, N.Vermeulen, J.Walker, E.Werner-Malento, O.Wieland, H.J.Wollersheim, H.Grawe, M.Hjorth-Jensen

g-factor measurements at RISING: The cases of 127Sn and 128Sn

NUCLEAR REACTIONS Be(136Xe, X)127Sn/128Sn, E=600 MeV/nucleon; measured reaction products, Larmor precession, Eγ, Iγ; deduced g factors for Sn isomers, J, π. Comparison with shell model calculations.

doi: 10.1209/0295-5075/91/42001
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2010IO01      Phys.Rev. C 81, 024323 (2010)

M.Ionescu-Bujor, A.Iordachescu, C.A.Ur, N.Marginean, G.Suliman, D.Bucurescu, F.Brandolini, F.Della Vedova, S.Chmel, S.M.Lenzi, R.Marginean, N.H.Medina, D.R.Napoli, P.Pavan, R.V.Ribas

g factors of coexisting isomeric states in 188Pb

NUCLEAR MOMENTS 188Pb; measured g factors using time-differential perturbed angular distribution method. Systematics of g factors for 12+ and 13/2+ states in Pb nuclei from A=183-207. Rotational model interpretation.

NUCLEAR REACTIONS 164Er(28Si, 4n)188Pb, E=143 MeV; measured Eγ, Iγ, half-life and g factors.

doi: 10.1103/PhysRevC.81.024323
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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
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2009IO01      Phys.Rev. C 80, 034314 (2009)

M.Ionescu-Bujor, A.Iordachescu, S.M.Lenzi, D.R.Napoli, N.Marginean, N.H.Medina, D.Bazzacco, D.Bucurescu, G.de Angelis, F.Della Vedova, E.Farnea, A.Gadea, R.Menegazzo, S.Lunardi, C.A.Ur, S.Zilio, T.Otsuka, Y.Utsuno

High-spin structure of 37Cl, intruder excitations, and the sd-fp shell gap

NUCLEAR REACTIONS 24Mg(16O, 3p), E=70 MeV; measured Eγ, Iγ, γγ-coin, angular distributions, half-lives using Doppler shift attenuation method using GASP array. 37Cl; deduced levels, J, π, multipolarities, B(M1), B(E2) and configurations. Comparison with large-scale shell model calculations involving sd and fp orbitals using the sdpf and SDPF-M effective interactions.

doi: 10.1103/PhysRevC.80.034314
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2009MA47      Phys.Rev. C 80, 021301 (2009)

N.Marginean, D.Bucurescu, C.A.Ur, C.Mihai, L.Corradi, E.Farnea, D.Filipescu, E.Fioretto, D.Ghita, B.Guiot, M.Gorska, M.Ionescu-Bujor, A.Iordachescu, D.Jelavic-Malenica, S.M.Lenzi, P.Mason, R.Marginean, D.Mengoni, G.Montagnoli, D.R.Napoli, S.Pascu, G.Pollarolo, F.Recchia, A.M.Stefanini, R.Silvestri, T.Sava, F.Scarlassara, S.Szilner, N.V.Zamfir

Evolution of deformation in the neutron-rich krypton isotopes: The 96Kr nucleus

NUCLEAR REACTIONS 238U(136Xe, X)96Kr/98Sr/100Zr, E=954 MeV; measured Eγ, Iγ, (fission fragment)γ-, γγ-coin. 96Kr; deduced levels, J, π and quadrupole deformation. Systematics of first 2+ states, ratios of energies of first 2+ and 4+ states, quadrupole deformation parameter for even-even nuclei in N=38-64, Z=36-44 region. Comparison with various theoretical model calculations.

doi: 10.1103/PhysRevC.80.021301
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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
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2008LO07      Phys.Rev. C 77, 064313 (2008)

R.L.Lozeva, G.S.Simpson, H.Grawe, G.Neyens, L.A.Atanasova, D.L.Balabanski, D.Bazzacco, F.Becker, P.Bednarczyk, G.Benzoni, N.Blasi, A.Blazhev, A.Bracco, C.Brandau, L.Caceres, F.Camera, S.K.Chamoli, F.C.L.Crespi, J.-M.Daugas, P.Detistov, M.De Rydt, P.Doornenbal, C.Fahlander, E.Farnea, G.Georgiev, J.Gerl, K.A.Gladnishki, M.Gorska, J.Grebosz, M.Hass, R.Hoischen, G.Ilie, M.Ionescu-Bujor, A.Iordachescu, J.Jolie, A.Jungclaus, M.Kmiecik, I.Kojouharov, N.Kurz, S.P.Lakshmi, G.Lo Bianco, S.Mallion, A.Maj, D.Montanari, O.Perru, M.Pfutzner, S.Pietri, J.A.Pinston, Zs.Podolyak, W.Prokopowicz, D.Rudolph, G.Rusev, T.R.Saitoh, A.Saltarelli, H.Schaffner, R.Schwengner, S.Tashenov, K.Turzo, J.J.Valiente-Dobon, N.Vermeulen, J.Walker, E.Werner-Malento, O.Wieland, H.-J.Wollersheim

New sub-μs isomers in 125, 127, 129Sn and isomer systematics of 124-130Sn

NUCLEAR REACTIONS 9Be(136Xe, X), E=600 MeV/nucleon; 9Be(238U, X), E=750 MeV/nucleon; measured Eγ, Iγ, γγ-coin, multipolarities. 125,127,129Sn; deduced levels, J, π, half-lives of sub-υs states, B(E2). 124,125,126,127,128,129,130Sn; analyzed B(E2).

doi: 10.1103/PhysRevC.77.064313
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2008VA08      Phys.Rev. C 78, 024302 (2008)

J.J.Valiente-Dobon, S.M.Lenzi, S.J.Freeman, S.Lunardi, J.F.Smith, A.Gottardo, F.Della Vedova, E.Farnea, A.Gadea, D.R.Napoli, M.Axiotis, S.Aydin, D.Bazzacco, P.G.Bizzeti, A.M.Bizzeti-Sona, G.Benzoni, D.Bucurescu, L.Corradi, A.N.Deacon, G.De Angelis, E.Fioretto, B.Guiot, M.Ionescu-Bujor, A.Iordachescu, S.Leoni, N.Marginean, R.Marginean, P.Mason, R.Menegazzo, D.Mengoni, B.Million, G.Montagnoli, R.Orlandi, F.Recchia, E.Sahin, F.Scarlassara, R.P.Singh, A.M.Stefanini, D.Steppenbeck, S.Szilner, C.A.Ur, B.J.Varley, O.Wieland

Spectroscopy of neutron-rich 59-63Mn isotopes

NUCLEAR REACTIONS 238U(70Zn, X)58Mn/59Mn/60Mn/61Mn/62Mn/63Mn, E=460 MeV; measured Eγ, Iγ, (particle)γ-, γγ-coin. 59,60,61,62,63Mn; deduced levels, J, π. Comparison with large scale shell model calculations.

doi: 10.1103/PhysRevC.78.024302
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2007BU35      Phys.Rev. C 76, 064301 (2007)

D.Bucurescu, C.Rusu, N.Marginean, C.A.Ur, G.de Angelis, L.Corradi, D.Bazzacco, S.Beghini, F.Della Vedova, G.Duchene, E.Farnea, T.Faul, E.Fioretto, A.Gadea, W.Gelletly, B.Guiot, M.Ionescu-Bujor, A.Iordachescu, S.D.Landown, S.M.Lenzi, S.Lunardi, P.Mason, C.Mihai, R.Marginean, R.Menegazzo, G.Montagnoli, D.Napoli, Zs.Podolyak, P.H.Regan, F.Scarlassara, A.M.Stefanini, G.Suliman, S.Szilner, M.Trotta, J.J.Valiente-Dobon, Y.H.Zhang

γ-ray spectroscopy of the neutron-rich nuclei 89Rb, 92Y, and 93Y with multinucleon transfer reactions

NUCLEAR REACTIONS 208Pb(90Zr, X)89Rb, E=590 MeV; 238U(82Se, X)92Y/93Y, E=505 MeV; measured Eγ, Iγ, γγγ-coin, angular distribution, multipolarity. 89Rb, 92,93Y; deduced levels, J, π, configurations. Comparisons to shell model calculations, and structure in 94Nb.

doi: 10.1103/PhysRevC.76.064301
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2007DE14      Phys.Rev. C 75, 034317 (2007)

F.Della Vedova, S.M.Lenzi, M.Ionescu-Bujor, N.Marginean, M.Axiotis, D.Bazzacco, A.M.Bizzeti-Sona, P.G.Bizzeti, A.Bracco, F.Brandolini, D.Bucurescu, E.Farnea, A.Iordachescu, S.Lunardi, T.Martinez, P.Mason, R.Menegazzo, B.Million, D.R.Napoli, M.Nespolo, P.Pavan, C.Rossi Alvarez, C.A.Ur, R.Venturelli, A.P.Zuker

Isospin symmetry breaking at high spin in the mirror nuclei 35Ar and 35Cl

NUCLEAR REACTIONS 24Mg(16O, nα), (16O, pα), E=70 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 35Ar, 35Cl deduced high-spin levels, J, π, configurations, analog states, spin-orbit interaction effects, isospin symmetry features. GASP, ISIS arrays.

doi: 10.1103/PhysRevC.75.034317
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2007IO01      Acta Phys.Pol. B38, 1249 (2007)

M.Ionescu-Bujor, A.Iordachescu, N.Marginean, C.A.Ur, G.Suliman, D.Bucurescu, D.L.Balabanski, F.Brandolini, S.Chmel, K.A.Gladnishki, H.Hubel, R.Marginean, G.Neyens

Quadrupole Moments for Isomeric States with Normal and Intruder Configurations in Neutron-Deficient Pb Nuclei

NUCLEAR REACTIONS 168Er(28Si, 4n)192Pb, 170Er(29Si, 5n)170Er, E not given; measured Eγ, Iγ(θ, E, t). 192,194Pb deduced quadrupole moments of isomeric states using the TDPAD method.


2007IO03      Phys.Lett. B 650, 141 (2007)

M.Ionescu-Bujor, A.Iordachescu, N.Marginean, C.A.Ur, D.Bucurescu, G.Suliman, D.L.Balabanski, F.Brandolini, S.Chmel, P.Detistov, K.A.Gladnishki, H.Hubel, S.Mallion, R.Marginean, N.H.Medina, D.R.Napoli, G.Neyens, P.Pavan, R.V.Ribas, C.Rusu, K.Turzo, N.Vermeulen

Shape coexistence in neutron-deficient Pb nuclei probed by quadrupole moment measurements

NUCLEAR REACTIONS 168Er(28Si, 4n), 170Er(28Si, 5n), E=143 MeV; measured Eγ, Iγ, γγ-coin, time differential perturbed angular distributions, lifetimes. 192Pb, 194Pb deduced levels, J, π, spectroscopic quadrupole moments.

doi: 10.1016/j.physletb.2007.05.002
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2007JO14      Phys.Rev. C 76, 054317 (2007); Erratum Phys.Rev. C 76, 069905 (2007)

G.A.Jones, P.H.Regan, Zs.Podolyak, N.Yoshinaga, K.Higashiyama, G.de Angelis, Y.H.Zhang, A.Gadea, C.A.Ur, M.Axiotis, D.Bazzacco, D.Bucurescu, E.Farnea, W.Gelletly, M.Ionescu-Bujor, A.Iordachescu, Th.Kroll, S.D.Langdown, S.Lenzi, S.Lunardi, N.Marginean, T.Martinez, N.H.Medina, R.Menegazzo, D.R.Napoli, B.Quintana, B.Rubio, C.Rusu, R.Schwenger, D.Tonev, J.J.Valiente Doban, W.von Oertzen

Yrast studies of 80, 82Se using deep-inelastic reactions

NUCLEAR REACTIONS 192Os(82Se, X), E=460 MeV; measured Eγ, Iγ, γγ-coin. 80,82Se; deduced levels, J, π, configurations.

doi: 10.1103/PhysRevC.76.054317
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2007LU13      Phys.Rev. C 76, 034303 (2007)

S.Lunardi, S.M.Lenzi, F.Della Vedova, E.Farnea, A.Gadea, N.Marginean, D.Bazzacco, S.Beghini, P.G.Bizzeti, A.M.Bizzeti-Sona, D.Bucurescu, L.Corradi, A.N.Deacon, G.de Angelis, E.Fioretto, S.J.Freeman, M.Ionescu-Bujor, A.Iordachescu, P.Mason, D.Mengoni, G.Montagnoli, D.R.Napoli, F.Nowacki, R.Orlandi, G.Pollarolo, F.Recchia, F.Scarlassara, J.F.Smith, A.M.Stefanini, S.Szilner, C.A.Ur, J.J.Valiente-Dobon, B.J.Varley

Spectroscopy of neutron-rich Fe isotopes populated in the 64Ni+238U reaction

NUCLEAR REACTIONS 238U(64Ni, X)61Fe/62Fe/63Fe/64Fe/65Fe/66Fe, E=400 MeV; measured Eγ, Iγ, γγ, (particle)γ-coinc. 61,62,63,64,65Fe deduced levels, J, π. Compared results to model calculations.

doi: 10.1103/PhysRevC.76.034303
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2007NE10      Acta Phys.Pol. B38, 1237 (2007)

G.Neyens, L.Atanasova, D.L.Balabanski, F.Becker, P.Bednarczyk, L.Caceres, P.Doornenbal, J.Gerl, M.Gorska, J.Grebosz, M.Hass, G.Ilie, N.Kurz, I.Kojouharov, R.Lozeva, A.Maj, M.Pfutzner, S.Pietri, Zs.Podolyak, W.Prokopowicz, T.R.Saitoh, H.Schaffner, G.Simpson, N.Vermeulen, E.Werner-Malento, J.Walker, H.J.Wollersheim, D.Bazzacco, G.Benzoni, A.Blazhev, N.Blasi, A.Bracco, C.Brandau, F.Camera, S.K.Chamoli, S.Chmel, F.C.L.Crespi, J.M.Daugas, M.De Rydt, P.Detistov, C.Fahlander, E.Farnea, G.Georgiev, K.Gladnishki, R.Hoischen, M.Ionescu-Bujor, A.Iordachescu, J.Jolie, A.Jungclaus, M.Kmiecik, A.Krasznahorkay, R.Kulessa, S.Lakshmi, G.Lo Bianco, S.Mallion, K.Mazurek, W.Meczynski, D.Montanari, S.Myalsky, O.Perru, D.Rudolph, G.Rusev, A.Saltarelli, R.Schwengner, J.Styczen, K.Turzo, J.J.Valiente-Dobon, O.Wieland, M.Zieblinski

γ Factor Measurements on Relativistic Isomeric Beams Produced by Fragmentation and U-Fission: The g-Rising Project at GSI

NUCLEAR REACTIONS 9Be(238U, F)127Sn, E=750 MeV/nucleon; 9Be(136Xe, X)127Sn, E=650 MeV/nucleon; measured Eγ, Iγ(θ, H, t), (particle)γ-coinc. 127Sn deduced g-factor using TDPAD method.


2006IO02      Phys.Rev. C 73, 024310 (2006)

M.Ionescu-Bujor, A.Iordachescu, D.R.Napoli, S.M.Lenzi, N.Marginean, T.Otsuka, Y.Utsuno, R.V.Ribas, M.Axiotis, D.Bazzacco, A.M.Bizzeti-Sona, P.G.Bizzeti, F.Brandolini, D.Bucurescu, M.A.Cardona, G.de Angelis, M.De Poli, F.Della Vedova, E.Farnea, A.Gadea, D.Hojman, C.A.Kalfas, Th.Kroll, S.Lunardi, T.Martinez, P.Mason, P.Pavan, B.Quintana, C.Rossi Alvarez, C.A.Ur, R.Vlastou, S.Zilio

High spin structure and intruder configurations in 31P

NUCLEAR REACTIONS 24Mg(16O, p2α), E=70 MeV; measured Eγ, Iγ, γγ-coin, DSA. 31P deduced levels, J, π, T1/2, B(M1), B(E2), configurations. GASP array, comparison with shell model predictions.

doi: 10.1103/PhysRevC.73.024310
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2006MA11      Phys.Lett. B 633, 696 (2006)

N.Marginean, S.M.Lenzi, A.Gadea, E.Farnea, S.J.Freeman, D.R.Napoli, D.Bazzacco, S.Beghini, B.R.Behera, P.G.Bizzeti, A.Bizzeti-Sona, D.Bucurescu, R.Chapman, L.Corradi, A.N.Deacon, G.de Angelis, F.Della Vedova, E.Fioretto, M.Ionescu-Bujor, A.Iordachescu, Th.Kroll, A.Latina, X.Liang, S.Lunardi, G.Montagnoli, R.Marginean, M.Nespolo, G.Pollarolo, C.Rusu, F.Scarlassara, J.F.Smith, K.Spohr, A.M.Stefanini, S.Szilner, M.Trotta, C.A.Ur, B.J.Varley, W.Zhimin

Shape transitions far from stability: The nucleus 58Cr

NUCLEAR REACTIONS 238U(64Ni, X)54Cr/58Cr/60Cr, E=400 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 54,58,60Cr deduced levels, J, π; calculated B(E2). Interacting boson model, Clara and Prisma arrays.

doi: 10.1016/j.physletb.2005.12.047
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2006MO40      Int.J.Mod.Phys. E15, 1797 (2006)

S.Mohammadi, G.De Angelis, M.Axiotis, D.Bazzacco, P.G.Bizzeti, F.Brandolini, R.Broda, D.Bucurescu, E.Farnea, W.Gelletly, A.Gadea, M.Ionescu-Bujor, A.Iordachescu, Th.Kroll, S.Longdown, S.Lunardi, N.Marginean, T.Martinez, N.Medina, Zs.Podolyak, B.Quintana, P.H.Regan, B.Rubio, C.A.Ur, J.-J.Valiente Dobon, P.M.Walker, Y.H.Zhang

Yrast states in 188, 190Os nuclei

NUCLEAR REACTIONS 192Os(82Se, X)188Os/190Os, E=460 MeV; measured Eγ, Iγ, γγ-coin. 188,190Os deduced high-spin levels, J, π. GASP array.

doi: 10.1142/S0218301306005459
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2006OL09      Braz.J.Phys. 36, 1371 (2006)

J.R.B.Oliveira, F.Falla-Sotelo, M.N.Rao, J.A.Alcantara-Nunez, E.W.Cybulska, N.H.Medina, R.V.Ribas, M.A.Rizzutto, W.A.Seale, D.Bazzacco, F.Brandolini, S.Lunardi, C.Rossi-Alvarez, C.Petrache, Zs.Podolyak, C.A.Ur, D.de Acuna, G.de Angelis, E.Farnea, D.Foltescu, A.Gadea, D.R.Napoli, M.de Poli, P.Spolaore, M.Ionescu-Bujor, A.Iordachescu

High-K Band in 140Gd

NUCLEAR REACTIONS 92Mo(54Fe, 2pα), E=240 MeV; measured Eγ, Iγ, γγ-coin. 140GD deduced high-spin levels J, π.

doi: 10.1590/S0103-97332006000800008
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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
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2005IO02      Phys.Rev. C 72, 044313 (2005)

M.Ionescu-Bujor, A.Iordachescu, D.Bucurescu, N.Marginean

New short-lived isomers in 84Y

NUCLEAR REACTIONS 84Sr(p, n), E=13.5 MeV; measured Eγ, Iγ(θ, H, t). 84Y deduced levels, J, π, configurations, g factors, isomeric states T1/2. Time-differential perturbed angular distribution method.

doi: 10.1103/PhysRevC.72.044313
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2005JO11      Acta Phys.Pol. B36, 1323 (2005)

G.A.Jones, Zs.Podolyak, N.Schunck, P.M.Walker, G.De Angelis, Y.H.Zhang, M.Axiotis, D.Bazzacco, P.G.Bizzeti, F.Brandolini, R.Broda, D.Bucurescu, E.Farnea, W.Gelletly, A.Gadea, M.Ionescu-Bujor, A.Iordachescu, Th.Kroll, S.D.Langdown, S.Lunardi, N.Marginean, T.Martinez, N.H.Medina, B.Quintana, P.H.Regan, B.Rubio, C.A.Ur, J.J.Valiente-Dobon, S.J.Williams

Oblate collectivity in the yrast structure of 194Pt

NUCLEAR REACTIONS 192Os(82Se, X)194Pt, E=460 MeV; measured Eγ, Iγ, γγ-coin. 194Pt deduced levels, J, π, configurations, B(E2). GASP array.

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2005JO19      J.Phys.(London) G31, S1891 (2005)

G.A.Jones, Zs.Podolyak, P.M.Walker, P.H.Regan, G.de Angelis, M.Axiotis, D.Bazzacco, P.G.Bizzeti, F.Brandolini, R.Broda, D.Bucurescu, E.Farnea, W.Gelletly, A.Gadea, M.Ionescu-Bujor, A.Iordachescu, Th.Kroll, S.D.Langdown, S.Lunardi, N.Marginean, T.Martinez, N.H.Medina, B.Quintana, B.Rubio, C.A.Ur, J.J.Valiente-Dobon, S.J.Williams, Y.H.Zhang

Population of yrast states in 191Os using deep-inelastic reactions

NUCLEAR REACTIONS 192Os(82Se, X)191Os, E=460 MeV; measured Eγ, Iγ, γγ-coin. 191Os deduced levels, J, π, branching ratios, configurations, isomeric state features. GASP array.

doi: 10.1088/0954-3899/31/10/095
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2005MA03      Phys.Rev. C 71, 014316 (2005)

P.Mason, N.Marginean, S.M.Lenzi, M.Ionescu-Bujor, F.Della Vedova, D.R.Napoli, T.Otsuka, Y.Utsuno, F.Nowacki, M.Axiotis, D.Bazzacco, P.G.Bizzeti, A.Bizzeti-Sona, F.Brandolini, M.Cardona, G.de Angelis, E.Farnea, A.Gadea, D.Hojman, A.Iordachescu, C.Kalfas, Th.Kroll, S.Lunardi, T.Martinez, C.M.Petrache, B.Quintana, R.V.Ribas, C.Rossi Alvarez, C.A.Ur, R.Vlastou, S.Zilio

High spin structure of 34S and the proton-neutron coupling of intruder states

NUCLEAR REACTIONS 24Mg(16O, 2pα), E=70 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 34S deduced high-spin levels, J, π, T1/2, B(M1), B(E2). Comparison with shell model calculations.

doi: 10.1103/PhysRevC.71.014316
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2005MA55      Phys.Rev. C 72, 014302 (2005); Erratum Phys.Rev. C 72, 039903 (2005)

N.Marginean, C.Rusu, D.Bucurescu, C.Rossi Alvarez, C.A.Ur, D.Bazzacco, S.Lunardi, P.Pavan, G.de Angelis, M.Axiotis, E.Farnea, A.Gadea, M.Ionescu-Bujor, A.Iordachescu, W.Krolas, Th.Kroll, S.M.Lenzi, T.Martinez, R.Menegazzo, D.R.Napoli, B.Quintana, P.Spolaore, Y.H.Zhang, J.Wrzesinski

Identification of excited states and shell model description of the N = Z + 1 nucleus 91Rh

NUCLEAR REACTIONS 54Fe(40Ca, 2np), E=130 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 91Rh deduced high-spin levels, J, π, configurations, possible isomeric state. GASP, ISIS arrays, comparison with shell model predictions.

doi: 10.1103/PhysRevC.72.014302
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2004BA31      Eur.Phys.J. A 20, 191 (2004)

D.L.Balabanski, M.Ionescu-Bujor, A.Iordachescu, D.Bazzacco, F.Brandolini, D.Bucurescu, S.Chmel, M.Danchev, M.De Poli, G.Georgiev, H.Haas, H.Hubel, N.Marginean, R.Menegazzo, G.Neyens, P.Pavan, G.Rainovski, C.Rossi Alvarez, C.A.Ur, K.Vyvey, S.Frauendorf

Spectroscopic quadrupole moments of high-spin isomers in 193Pb

RADIOACTIVITY 193Pb(IT) [from 170Er(28Si, 5n)]; measured Eγ, Iγ(θ, H, t) from source implanted in Hg foil. 193Pb levels deduced spectroscopic quadrupole moments. Time-differential perturbed angular distribution technique.

doi: 10.1140/epja/i2002-10351-x
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2004BU13      Phys.Rev. C 69, 064319 (2004)

D.Bucurescu, N.Marginean, C.Rossi Alvarez, Y.Sun, C.A.Ur, L.C.Mihailescu, G.Suliman, D.Bazzacco, S.Lunardi, G.de Angelis, M.Axiotis, E.Farnea, A.Gadea, M.Ionescu-Bujor, A.Iordachescu, W.Krolas, Th.Kroll, S.M.Lenzi, T.Martinez, R.Menegazzo, D.R.Napoli, P.Pavan, Zs.Podolyak, C.Rusu, M.De Poli, B.Quintana, P.Spolaore

High-spin states in 90Ru and the projected shell model description

NUCLEAR REACTIONS 58Ni(40Ca, 2α), E=135 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 90Ru deduced high-spin levels, J, π, configurations. GASP, ISIS arrays.

doi: 10.1103/PhysRevC.69.064319
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2004IO01      Phys.Rev. C 70, 034305 (2004)

M.Ionescu-Bujor, A.Iordachescu, D.L.Balabanski, S.Chmel, G.Neyens, G.Baldsiefen, D.Bazzacco, F.Brandolini, D.Bucurescu, M.Danchev, M.De Poli, G.Georgiev, A.Gorgen, H.Haas, H.Hubel, G.Ilie, N.Marginean, R.Menegazzo, P.Pavan, G.Rainovski, R.V.Ribas, C.Rossi Alvarez, C.A.Ur, K.Vyvey, S.Frauendorf

Quadrupole moments and g factors for high-spin neutron isomers in 193Pb

NUCLEAR REACTIONS 170Er(28Si, 5n), (28Si, 4n), E=143 MeV; measured Eγ, Iγ(θ, H, t). 193Pb deduced high-spin isomeric states g factors, quadrupole moments, T1/2. 194Pb level deduced quadrupole moment. Comparisons with microscopic BCS and pairing plus quadrupole tilted-axis cranking model predictions. Time-differential perturbed angular distribution method.

doi: 10.1103/PhysRevC.70.034305
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2004MA39      Phys.Rev. C 69, 054301 (2004)

N.Marginean, D.Bucurescu, C.Rossi Alvarez, C.A.Ur, Y.Sun, D.Bazzacco, S.Lunardi, G.de Angelis, M.Axiotis, E.Farnea, A.Gadea, M.Ionescu-Bujor, A.Iordachescu, W.Krolas, Th.Kroll, S.M.Lenzi, T.Martinez, R.Menegazzo, D.R.Napoli, P.Pavan, Zs.Podolyak, M.De Poli, B.Quintana, P.Spolaore

High-spin behavior of multiple bands in the N = Z + 1 nucleus 81Zr: A possible probe of enhanced neutron-proton correlations

NUCLEAR REACTIONS 58Ni(28Si, nα), (24Mg, n2p), E=90 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 79Sr, 81Zr deduced high-spin levels, J, π, configurations. GASP, ISIS arrays, comparison with projected shell model predictions.

doi: 10.1103/PhysRevC.69.054301
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2004MA86      Phys.Rev. C 70, 044302 (2004)

N.Marginean, C.Rusu, D.Bucurescu, C.Rossi Alvarez, C.A.Ur, D.Bazzacco, S.Lunardi, P.Pavan, G.de Angelis, M.Axiotis, E.Farnea, A.Gadea, M.Ionescu-Bujor, A.Iordachescu, W.Krolas, Th.Kroll, S.M.Lenzi, T.Martinez, R.Menegazzo, D.R.Napoli, B.Quintana, P.Spolaore, Y.H.Zhang, J.Wrzesinski

First identification of excited states in the N = Z + 1 nucleus 89Ru

NUCLEAR REACTIONS 54Fe(40Ca, nα), E=130 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 89Ru deduced high-spin levels, J, π, configurations. GASP, ISIS arrays, comparison with shell model predictions.

doi: 10.1103/PhysRevC.70.044302
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2004ME25      Braz.J.Phys. 34, 1002 (2004)

N.H.Medina, J.R.B.Oliveira, E.W.Cybulska, M.N.Rao, R.V.Ribas, M.A.Rizzutto, W.A.Seale, F.R.Espinoza-Quinones, D.Bazzacco, F.Brandolini, S.Lunardi, C.M.Petrache, Zs.Podolyak, C.Rossi-Alvarez, F.Soramel, C.A.Ur, M.A.Cardona, G.de Angelis, D.R.Napoli, P.Spolaore, A.Gadea, D.De Acuna, M.De Poli, E.Farnea, D.Foltescu, M.Ionescu-Bujor, A.Iordachescu

First Allowed Bandcrossing in Neutron Deficient Nucleus 141Tb

NUCLEAR REACTIONS 92Mo(54Fe, pα), E=240 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 141Tb deduced high-spin levels, J, π, configurations. GASP, ISIS arrays, cranking model analysis.

doi: 10.1590/S0103-97332004000500081
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2004MO54      Braz.J.Phys. 34, 792 (2004)

S.Mohammadi, Zs.Podolyak, G.de Angelis, M.Axiotis, D.Bazzacco, P.G.Bizzeti, F.Brandolini, R.Broda, D.Bucurescu, E.Farnea, W.Gelletly, A.Gadea, M.Ionescu-Bujor, A.Iordachescu, Th.Kroll, S.Longdown, S.Lunardi, N.Marginean, T.Martinez, N.H.Medina, B.Quintana, P.H.Regan, B.Rubio, C.A.Ur, J.J.Valiente Dobon, P.M.Walker, Y.H.Zhang

High-Spin States Populated in Deep-Inelastic Reactions

NUCLEAR REACTIONS 192Os(82Se, X)188Os/190Os, E=460 MeV; measured Eγ, Iγ, γγ-coin. 188,190Os deduced high-spin levels, J, π. GASP array.

doi: 10.1590/S0103-97332004000500022
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2004PO06      Int.J.Mod.Phys. E13, 123 (2004)

Zs.Podolyak, S.Mohammadi, G.De Angelis, Y.H.Zhang, M.Axiotis, D.Bazzacco, P.F.Bizzeti, F.Brandolini, R.Broda, D.Bucurescu, E.Farnea, W.Gelletly, A.Gadea, M.Ionescu-Bujor, A.Iordachescu, Th.Kroll, S.D.Langdown, S.Lunardi, N.Marginean, T.Martinez, N.H.Medina, B.Quintana, P.H.Regan, B.Rubio, C.A.Ur, J.J.Valiente-Dobon, P.M.Walker

Structure of neutron-rich nuclei from deep-inelastic reactions

NUCLEAR REACTIONS 192Os(82Se, X), E=460 MeV; measured Eγ, Iγ, γγ-coin. 72,74,76,78,80,82Ge, 188W, 184,186,188,190Os deduced levels, J, π. GASP array.

doi: 10.1142/S0218301304001837
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2004RU02      Phys.Rev. C 69, 024307 (2004)

C.Rusu, N.Marginean, D.Bucurescu, C.Rossi Alvarez, C.A.Ur, D.Bazzacco, S.Lunardi, G.de Angelis, M.Axiotis, E.Farnea, A.Gadea, M.Ionescu-Bujor, A.Iordachescu, W.Krolas, Th.Kroll, S.M.Lenzi, T.Martinez, R.Menegazzo, D.R.Napoli, P.Pavan, M.De Poli, B.Quintana, J.Wrzesinski

First identification of yrast decay and shell model description of the N = Z + 1 nucleus 93Pd

NUCLEAR REACTIONS 58Ni(40Ca, nα), E=135 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 93Pd deduced high-spin levels, J, π, configurations. GASP, ISIS arrays, comparison with shell model predictions.

doi: 10.1103/PhysRevC.69.024307
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2004ZH27      Phys.Rev. C 70, 024301 (2004)

Y.H.Zhang, Zs.Podolyak, G.de Angelis, A.Gadea, C.Ur, S.Lunardi, N.Marginean, C.Rusu, R.Schwengner, Th.Kroll, D.R.Napoli, R.Menegazzo, D.Bazzacco, E.Farnea, S.Lenzi, T.Martinez, M.Axiotis, D.Tonev, W.Gelletly, S.Langdown, P.H.Regan, J.J.Valiente-Dobon, W.von Oertzen, B.Rubio, B.Quintana, N.Medina, R.Broda, D.Bucurescu, M.Ionescu-Bujor, A.Iordachescu

Stability of the N = 50 shell gap in the neutron-rich Rb, Br, Se, and Ge isotones

NUCLEAR REACTIONS 192Os(82Se, X)87Rb/85Br/84Se/82Ge, E=460 MeV; measured Eγ, Iγ, γγ-coin. 87Rb, 85Br, 84Se, 82Ge deduced levels, J, π, shell gap features. GASP array, comparison with shell model predictions.

doi: 10.1103/PhysRevC.70.024301
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2003GA46      Acta Phys.Pol. B34, 2429 (2003)

A.Gadea, G.De Angelis, E.Farnea, N.Marginean, M.Axiotis, T.Martinez, D.R.Napoli, Th.Kroell, M.De Poli, P.Spolaore, E.Fioretto, S.M.Lenzi, E.Maglione, C.Ur, S.Lunardi, R.Menegazzo, P.Pavan, R.Venturelli, F.Brandolini, C.Rossi Alvarez, G.Nardelli, M.Bellato, A.Bracco, F.Camera, G.Colo, D.Bucurescu, M.Ionescu-Bujor, A.Iordachescu, D.Curien, O.Dorvaux, N.Kintz, C.Ring, H.Grawe, J.Nyberg, M.Weiszflog, A.Dewald, J.Eberth, T.Steinhardt, I.Stefanescu, O.Thelen, A.Fitzler, S.Kasemann, T.Klug, P.Petkov, W.Gelletly, A.M.Bizzeti-Sona, P.G.Bizzeti, B.Quintana, B.Rubio, J.L.Tain, A.Algora, V.F.E.Pucknell, R.Wyss

Spectroscopy of heavy N = Z nuclei with GASP and EUROBALL


2003MA24      Phys.Rev. C 67, 061301 (2003)

N.Marginean, D.Bucurescu, C.Rossi Alvarez, C.A.Ur, L.D.Skouras, I.P.Johnstone, D.Bazzacco, S.Lunardi, G.de Angelis, M.Axiotis, E.Farnea, A.Gadea, M.Ionescu-Bujor, A.Iordachescu, W.Krolas, Th.Kroll, S.M.Lenzi, T.Martinez, R.Marginean, R.Menegazzo, D.R.Napoli, P.Pavan, M.De Poli, B.Quintana, C.Rusu, P.Spolaore, J.Wrzesinski

Yrast isomers in 95Ag, 95Pd, and 94Pd

NUCLEAR REACTIONS 58Ni(40Ca, 2n2p), (40Ca, n2p), (40Ca, 2np), E=135 MeV; measured Eγ, Iγ, γγ-, (neutron)γ-, (charged particle)γ-coin. 94,95Pd, 95Ag deduced levels, J, π, configurations, yrast isomers. GASP, ISIS arrays, comparison with shell model calculations.

doi: 10.1103/PhysRevC.67.061301
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2002BU16      Nucl.Phys. A705, 3 (2002)

D.Bucurescu, C.A.Ur, M.Ionescu-Bujor, A.Iordachescu, D.Bazzacco, F.Brandolini, G.de Angelis, M.De Poli, A.Gadea, S.Lunardi, N.Marginean, N.H.Medina, D.R.Napoli, P.Pavan, C.Rossi Alvarez, P.Spolaore

High-Spin States in the Odd-Odd Nucleus 80Y

NUCLEAR REACTIONS 24Mg(58Ni, np), E=180 MeV; 58Ni(24Mg, np), E=77 MeV; measured Eγ, Iγ(θ), γγ-, (charged particle)γ-, (recoil)γ-coin. 80Y deduced high-spin levels, J, π, configurations, B(M1)/B(E2). GASP, ISIS arrays. Interacting boson-fermion-fermion model calculations, cranked shell model analysis.

doi: 10.1016/S0375-9474(02)00623-1
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2002IO01      Phys.Lett. 541B, 219 (2002)

M.Ionescu-Bujor, A.Iordachescu, F.Brandolini, M.De Poli, N.Marginean, D.Bucurescu, S.M.Lenzi, N.H.Medina, D.R.Napoli, Zs.Podolyak, P.Pavan, R.V.Ribas, C.Rossi Alvarez, C.A.Ur

Quadrupole Moment of the Kπ - 14+ Isomer in 176W

NUCLEAR REACTIONS 164Dy(16O, 4n), E=83 MeV; measured Eγ, Iγ(θ, H, t), isomer yield. 176W deduced isomeric state quadrupole moment, rotational g factor. Time-differential perturbed angular distribution method.

doi: 10.1016/S0370-2693(02)02263-3
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2002MA11      Phys.Rev. C65, 034315 (2002)

N.Marginean, C.Rossi Alvarez, D.Bucurescu, Y.Sun, C.A.Ur, A.Gadea, S.Lunardi, D.Bazzacco, G.de Angelis, M.Axiotis, M.De Poli, E.Farnea, M.Ionescu-Bujor, A.Iordachescu, S.M.Lenzi, Th.Kroll, T.Martinez, R.Menegazzo, D.R.Napoli, G.Nardelli, P.Pavan, B.Quintana, P.Spolaore

First Observation of Excited States in the Tz = 1/2 Nucleus 85Mo

NUCLEAR REACTIONS 58Ni(32S, nα), E=105 MeV; measured Eγ, Iγ, γγ(charged particle)γ-, (neutron)γ-coin. 85Mo deduced levels, possible J, π, rotational bands. Level systematics in neighboring nuclides compared. GASP, ISIS arrays.

doi: 10.1103/PhysRevC.65.034315
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2002MA30      Phys.Rev. C65, 051303 (2002)

N.Marginean, D.Bucurescu, C.Rossi Alvarez, C.A.Ur, Y.Sun, D.Bazzacco, S.Lunardi, G.de Angelis, M.Axiotis, E.Farnea, A.Gadea, M.Ionescu-Bujor, A.Iordachescu, W.Krolas, Th.Kroll, S.M.Lenzi, T.Martinez, R.Menegazzo, D.R.Napoli, P.Pavan, Zs.Podolyak, M.De Poli, B.Quintana, P.Spolaore

Delayed Alignments in the N = Z Nuclei 84Mo and 88Ru

NUCLEAR REACTIONS 58Ni(28Si, 2n), E=90 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 84Mo deduced levels, J, π. GASP, ISIS arrays.

NUCLEAR STRUCTURE 80,82Zr, 84,86Mo, 88,90Ru; calculated rotational bands moments of inertia. Projected shell model, comparison with data.

doi: 10.1103/PhysRevC.65.051303
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2002ME28      Acta Phys.Hung.N.S. 16, 65 (2002)

N.H.Medina, F.Brandolini, S.M.Lenzi, N.Marginean, R.V.Ribas, C.A.Ur, D.Bazzacco, S.Lunardi, R.Menegazzo, P.Pavan, C.Rossi-Alvarez, A.Algora-Pineda, G.de Angelis, M.De Poli, E.Farnea, A.Gadea, T.Martinez, D.R.Napoli, S.Hankonen, D.Bucurescu, M.Ionescu-Bujor, A.Iordachescu, J.A.Cameron, S.Kasemann, I.Schneider, J.M.Espino, J.Sanchez-Solano, A.Poves

Lifetime Measurements of Spherical and Deformed States in 1f7/2 Nuclei

NUCLEAR REACTIONS 28Si(24Mg, npα), (24Mg, n3p), E=100 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 24Mg(28Si, npα), (28Si, n3p), E=115 MeV; measured Eγ, Iγ, γγ-coin, DSA. 46,48V deduced high-spin levels, J, π, T1/2, B(E2), B(M1), configurations, band termination. GASP, ISIS arrays.

doi: 10.1556/APH.16.2002.1-4.8
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2001BR29      Phys.Rev. C64, 044307 (2001)

F.Brandolini, N.H.Medina, R.V.Ribas, S.M.Lenzi, A.Gadea, C.A.Ur, D.Bazzacco, R.Menegazzo, P.Pavan, C.Rossi-Alvarez, A.Algora-Pineda, G.de Angelis, M.De Poli, E.Farnea, N.Marginean, T.Martinez, D.R.Napoli, M.Ionescu-Bujor, A.Iordachescu, J.A.Cameron, S.Kasemann, I.Schneider, J.M.Espino, J.Sanchez-Solano

Electromagnetic Transitions and Structure in the Z = N Nucleus 46V

NUCLEAR REACTIONS 24Mg(28Si, npα), E=115 MeV; measured Eγ, Iγ, γγ-coin, DSA. 46V deduced high-spin levels, J, π, T1/2, B(E2). GASP array, shell model calculations.

doi: 10.1103/PhysRevC.64.044307
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2001MA15      Phys.Rev. C63, 031303 (2001)

N.Marginean, C.Rossi Alvarez, D.Bucurescu, C.A.Ur, A.Gadea, S.Lunardi, D.Bazzacco, G.de Angelis, M.Axiotis, M.De Poli, E.Farnea, M.Ionescu-Bujor, A.Iordachescu, S.M.Lenzi, Th.Kroll, T.Martinez, R.Menegazzo, D.R.Napoli, G.Nardelli, P.Pavan, B.Quintana, P.Spolaore

Observation of the N = Z = 44 88Ru Nucleus

NUCLEAR REACTIONS 58Ni(32S, 2n), E=105 MeV; measured Eγ, Iγ, (neutron)γ-, (charged particle)γ-, γγ-coin. 88Ru deduced levels, J, π, yrast band, moment of inertia. Comparison with neighboring isotopes. GASP array.

doi: 10.1103/PhysRevC.63.031303
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2001MA51      Prog.Part.Nucl.Phys. 46, 269 (2001)

N.Marginean, C.Rossi Alvarez, D.Bucurescu, C.A.Ur, A.Gadea, S.Lunardi, D.Bazzacco, G.de Angelis, M.Axiotis, M.de Poli, E.Farnea, M.Ionescu-Bujor, A.Iordachescu, S.M.Lenzi, Th.Kroll, T.Martinez, R.Menegazzo, D.R.Napoli, G.Nardelli, P.Pavan, B.Quintana, P.Spolaore

New Nuclei Around the N = Z Line in the A = 80-90 Region

NUCLEAR REACTIONS 58Ni(32S, nα), (32S, 2n), E=105 MeV; measured Eγ, Iγ, γγ-, (charged-particle)γ-, (neutron)γ-coin. 85Mo, 88Ru deduced transitions, levels. GASP, ISIS arrays. Level systematics in neighboring nuclides discussed.

doi: 10.1016/S0146-6410(01)00131-4
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2000IO02      Phys.Rev. C62, 014306 (2000)

M.Ionescu-Bujor, A.Iordachescu, D.Bucurescu

Decay Scheme and Magnetic Moment of a New Isomeric State in 86Y

NUCLEAR REACTIONS 86Sr(p, n), E=14 MeV; 86Sr(d, 2n), E=13.5 MeV; 85Rb(3He, 2n), (3He, 3n), E=30 MeV; measured Eγ, Iγ(θ, H, t). 86Y isomer deduced J, π, T1/2, g factor. 85Y isomer deduced g factor. Time-differential perturbed angular distribution method.

doi: 10.1103/PhysRevC.62.014306
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2000IO03      Phys.Lett. 495B, 289 (2000)

M.Ionescu-Bujor, A.Iordachescu, F.Brandolini, M.De Poli, N.Marginean, N.H.Medina, Zs.Podolyak, P.Pavan, R.V.Ribas, S.M.Lenzi, A.Gadea, T.Martinez

g Factors of the 7/2+ and 14+ Isomers in 175, 176W

NUCLEAR REACTIONS 164Dy(16O, 4n), (16O, 5n), E=83 MeV; measured Eγ, Iγ(θ, H, t). 175,176W deduced isomeric states g factors, configurations. Time-differential perturbed angular distribution method.

doi: 10.1016/S0370-2693(00)01245-4
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2000OL10      Phys.Rev. C62, 064301 (2000)

J.R.B.Oliveira, E.W.Cybulska, N.H.Medina, M.N.Rao, R.V.Ribas, W.A.Seale, F.R.Espinoza-Quinones, M.A.Rizzutto, D.Bazzacco, F.Brandolini, S.Lunardi, C.M.Petrache, Zs.Podolyak, C.Rossi-Alvarez, C.A.Ur, G.de Angelis, D.R.Napoli, P.Spolaore, A.Gadea, D.De Acuna, M.De Poli, E.Farnea, D.Foltescu, M.Ionescu-Bujor, A.Iordachescu

High-Spin State Spectroscopy of 143Dy

NUCLEAR REACTIONS 92Mo(54Fe, n2p), E=240 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (recoil)γ-coin. 143Dy deduced high-spin levels, J, π, configurations. Cranked mean-field calculations, comparisons with neighboring nuclides. GASP, ISIS arrays.

doi: 10.1103/PhysRevC.62.064301
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2000RI13      Phys.Rev. C62, 027302 (2000)

M.A.Rizzutto, M.N.Rao, W.A.Seale, J.R.B.Oliveira, E.W.Cybulska, N.H.Medina, R.V.Ribas, F.R.Espinoza-Quinones, D.Bazzacco, F.Brandolini, S.Lunardi, C.M.Petrache, Zs.Podolyak, C.Rossi-Alvarez, C.A.Ur, G.de Angelis, D.R.Napoli, P.Spolaore, A.Gadea, D.De Acuna, M.De Poli, E.Farnea, D.Foltescu, M.Ionescu-Bujor, A.Iordachescu, A.Chatterjee, A.Saxena, L.Sajo-Bohus

The πh11/2 (x) νh11/2 Yrast Band in Odd-Odd 140Tb

NUCLEAR REACTIONS 92Mo(54Fe, npα), E=240 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 140Tb deduced high-spin levels, possible J, π, B(M1)/B(E2), configurations. GASP, ISIS arrays.

doi: 10.1103/PhysRevC.62.027302
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1999ES07      Phys.Rev. C60, 054304 (1999)

F.R.Espinoza-Quinones, M.A.Rizzutto, E.W.Cybulska, W.A.Seale, J.R.B.Oliveira, N.H.Medina, R.V.Ribas, M.N.Rao, D.Bazzacco, F.Brandolini, S.Lunardi, C.M.Petrache, Zs.Podolyak, C.Rossi-Alvarez, F.Soramel, C.A.Ur, M.A.Cardona, G.de Angelis, D.R.Napoli, P.Spolaore, A.Gadea, D.De Acuna, M.De Poli, E.Farnea, D.Foltescu, M.Ionescu-Bujor, A.Iordachescu, V.Roca, F.Terrasi, A.Chatterjee, A.Saxena, L.Sajo-Bohus

High-Spin State Spectroscopy in 143Tb

NUCLEAR REACTIONS 92Mo(54Fe, 3p), E=240 MeV; measured Eγ, Iγ, γγ-coin. 143Tb deduced high-spin levels, J, π, configurations. Cranking model analysis.

doi: 10.1103/PhysRevC.60.054304
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1999IO02      Phys.Rev. C60, 024316 (1999)

M.Ionescu-Bujor, A.Iordachescu, F.Brandolini, M.De Poli, N.H.Medina, P.Pavan, M.N.Rao, C.Rossi Alvarez

Quadrupole Moment of the Jπ = 7- Isomer in 130Ce

RADIOACTIVITY 130Ce(IT) [from Sn(16O, xn)]; measured Eγ, Iγ(θ, H, t). 130Ce deduced levels, J, π, T1/2, electric quadrupole moment, deformation parameters, effective K value. TDPAD method.

doi: 10.1103/PhysRevC.60.024316
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1999MA23      Eur.Phys.J. A 4, 311 (1999)

N.Marginean, D.Bucurescu, C.A.Ur, D.Bazzacco, S.M.Lenzi, S.Lunardi, C.Rossi Alvarez, M.Ionescu-Bujor, A.Iordachescu, G.de Angelis, M.De Poli, E.Farnea, A.Gadea, D.R.Napoli, P.Spolaore, A.Buscemi

Structure of the Odd-Odd-Nucleus 84Nb

NUCLEAR REACTIONS 58Ni(28Si, np), E=90 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 84Nb deduced high-spin levels J, π. Gasp array.

doi: 10.1007/s100500050235
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1998IO01      Nucl.Phys. A633, 459 (1998)

M.Ionescu-Bujor, A.Iordachescu, F.Brandolini, M.De Poli, N.H.Medina, P.Pavan, M.N.Rao, C.Rossi Alvarez

Static Electromagnetic Moments and Nuclear Shapes in 129,131Ce

NUCLEAR REACTIONS 116Sn(16O, 3n), 119Sn(16O, 4n), E=70 MeV; measured Iγ(t), Iγ(t, θ, H). 129,131Ce levels deduced T1/2, g-factors, quadrupole moments, J, π. Pulsed beam, TDPAD method, planar HPGe detectors. Particle-plus-triaxial-rotor calculations.

doi: 10.1016/S0375-9474(98)00157-2
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1997BU17      Phys.Rev. C56, 2497 (1997)

D.Bucurescu, C.Rossi Alvarez, C.A.Ur, N.Marginean, P.Spolaore, D.Bazzacco, S.Lunardi, D.R.Napoli, M.Ionescu-Bujor, A.Iordachescu, C.M.Petrache, G.de Angelis, A.Gadea, D.Foltescu, F.Brandolini, G.Falconi, E.Farnea, S.M.Lenzi, N.H.Medina, Z.Podolyak, M.De Poli, M.N.Rao, R.Venturelli

Evolution of Collectivity Along the N = Z Line: The 84Mo Nucleus

NUCLEAR REACTIONS 58Ni(28Si, 2n), E=90 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin. 84Mo deduced levels, J, π. Collectivity systematics, other N=Z nuclei compared.

doi: 10.1103/PhysRevC.56.2497
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1996IO01      Z.Phys. A355, 347 (1996)

M.Ionescu-Bujor, A.Iordachescu, E.A.Ivanov, D.Plostinaru

Low-Lying Four Quasiparticle State in 82Rb

NUCLEAR REACTIONS 79Br(α, n), E=21 MeV; 81Br(3He, 2n), E=25 MeV; 79Br(3He, 2n), E=25 MeV; measured γ(θ, H, t). 80,82Rb levels deduced g factor, configuration.

doi: 10.1007/s002180050122
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1996PE12      Nucl.Phys. A603, 50 (1996)

C.M.Petrache, C.A.Ur, D.Bazzacco, S.Lunardi, C.Rossi Alvarez, M.Ionescu-Bujor, A.Iordachescu, D.Bucurescu, F.Brandolini, G.de Angelis, G.Maron, D.R.Napoli, P.Pavan, N.H.Medina, R.Venturelli, S.Brant, D.Vretenar

Evolution from Spherical to Various Deformed Shapes in the Odd-Odd 59136Pr77 Nucleus

NUCLEAR REACTIONS 136Ce(p, n), E=14 MeV; 122Sn(19F, 5n), E=84 MeV; 110Pd(30Si, 3np), E=125 MeV; measured Eγ, Iγ, Iγ(t), Iγ(θ), Iγ(t, θ, H), DCO ratios, γγ-coin, γ-multiplicity. 136Pr deduced levels, J, π, T1/2, γ-branching, γ multipolarity, B(δ) ratios, experimental routhians, aligned angular momenta. Enriched targets, pulse beam, hyperpure Ge detectors, bismuth-germanate suppression shields, 4π-BGO ball. Interacting boson-fermion-fermion, cranked shell, semiclassical models.

doi: 10.1016/0375-9474(96)00107-8
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1994IO02      Z.Phys. A349, 129 (1994)

M.Ionescu-Bujor, A.Iordachescu, E.A.Ivanov, G.Pascovici, D.Plostinaru, M.Dumitru, A.Ivan

Magnetic Moment of the 96.7 keV (9/2)+ Level in 79Rb

NUCLEAR REACTIONS 79Br(3He, 3n), E=30 MeV; measured γ(θ, H, t). 79Rb level deduced g-factor, μ.

doi: 10.1007/BF01291170
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1993BA42      Nucl.Phys. A562, 260 (1993)

D.Bazzacco, F.Brandolini, M.Ionescu-Bujor, A.Iordachescu, G.Pascovici, P.Pavan, M.De Poli, C.Rossi-Alvarez

Decay Properties and Magnetic Moment of the 548 keV Level in 136Pr

NUCLEAR REACTIONS 122Sn(19F, 5n), E=76-88 MeV; measured Eγ, Iγ, Iγ(t), Iγ(θ), Iγ(t, θ, H). 136Pr deduced levels, J, π, δ(M1/E2), T1/2, γ-multipolarity, g, B(λ), configurations. Enriched target, hyperpure Ge-detectors.

doi: 10.1016/0375-9474(93)90199-8
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1993IO02      Hyperfine Interactions 77, 111 (1993)

M.Ionescu-Bujor, A.Iordachescu, E.A.Ivanov, G.Pascovici, D.Plostinaru

Quadrupole Moment of the 7+ Isomeric State in 112In

NUCLEAR REACTIONS 112Cd(d, 2n), E=13.5 MeV; measured γ(θ, H, t). 112In deduced isomer levels quadrupole moment. Model comparison.

doi: 10.1007/BF02320305
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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
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1992IO01      Z.Phys. A343, 21 (1992)

M.Ionescu-Bujor, A.Iordachescu, G.Pascovici

Electromagnetic Moments of the 7+ Rotational Bandhead in 116Sb

NUCLEAR REACTIONS 113In(α, n), E=22 MeV; measured γ(θ, H, t). 116Sb deduced isomer μ, quadrupole moment, intruder configuration, deformation parameter.

doi: 10.1007/BF01291592
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1991IO02      Nucl.Phys. A531, 112 (1991)

M.Ionescu-Bujor, A.Iordachescu, G.Pascovici

Electromagnetic Moments of a (19/2)- Isomeric Intruder State in 119Sb

NUCLEAR REACTIONS 119Sn(d, 2n), E=13.5 MeV; measured Eγ, Iγ, dγ(t), Iγ(θ, t). 119Sb deduced isomer J, π, T1/2, μ, quadrupole moment, B(λ). Pulsed beam, hyperpure Ge, planar Ge, NaI(Tl) detectors.

doi: 10.1016/0375-9474(91)90572-N
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1990IO01      Z.Phys. A336, 291 (1990)

M.Ionescu-Bujor, A.Iordachescu, E.A.Ivanov, G.Pascovici, D.Plostinaru, V.Sabaiduc

Reinvestigation of the Decay Scheme of the Short-Lived Isomeric States in 112In

NUCLEAR REACTIONS 112Cd(d, 2n), E=13.5 MeV; 109Ag(α, n), E=20 MeV; measured (X-ray)(t), γ(t), Eγ, Iγ. 112In deduced levels, J, π, T1/2, γ-multipolarity, ICC.


1988IO01      Phys.Lett. 200B, 259 (1988)

M.Ionescu-Bujor, A.Iordachescu, G.Pascovici, V.Sabaiduc

Quadrupole Moments of the (23/2)- and 7+ Isomers in 117,118Sb and the Deformation Induced by the (1g9/2)-1 Proton-Hole Intruder State

NUCLEAR REACTIONS 115In(α, 2n), (α, n), E=20, 27 MeV; measured γ(θ, H, t). 117,118Sb levels deduced electric quadrupole moments.

doi: 10.1016/0370-2693(88)90767-8
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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.


1987IO01      Nucl.Phys. A466, 317 (1987)

M.Ionescu-Bujor, A.Iordachescu, G.Pascovici, C.Stan-Sion

Investigation of a 290 ns (23/2)- Isomeric State in 117Sb and Evidence for Shape Coexistence

NUCLEAR REACTIONS 115In(α, 2n), E=27 MeV; measured Eγ, Iγ, Iγ(θ), αγ(t), Iγ(θ, t, H). 117Sb deduced levels, J, π, isomer T1/2, g, B(λ). Pulsed beam, Ge(Li), hyperpure, planar Ge, NaI(Tl), Si(Li) detectors.

doi: 10.1016/0375-9474(87)90444-1
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1987IO04      Rev.Roum.Phys. 32, 493 (1987)

M.Ionescu-Bujor, A.Iordachescu, G.Pascovici, C.Stan-Sion

A Deformed High Spin Isomeric State in 117Sb

NUCLEAR REACTIONS 115In(α, 2n), E=27 MeV; measured γ(θ, H, t). 117Sb deduced isomeric state decay, electric quadrupole moment, g, deformation, configuration. Pulsed beam γ-ray spectroscopy.


1985DI07      Z.Phys. A320, 613 (1985)

S.Dima, M.Duma, M.Ionescu-Bujor, A.Iordachescu, G.Pascovici, C.Stan-Sion

Electromagnetic Moment Investigation of Two Short-lived Isomeric States in 118Sb

NUCLEAR REACTIONS 118Sn(p, n), E=9.5, 14.5 MeV; 118Sn(d, 2n), E=13 MeV; 115In(α, n), E=26 MeV; measured Eγ, Iγ, γ(t), γ(θ, H, t). 118Sb deduced isomers, J, π, T1/2, g, quadrupole moment, configuration.

doi: 10.1007/BF01411861
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1982DI18      Rev.Roum.Phys. 27, 731 (1982)

S.Dima, D.Plostinaru, E.A.Ivanov, C.Stan-Sion, M.Ionescu-Bujor, A.Iordachescu

Measurement of the g-Factor of the (21/2)+ State in 97Ru

NUCLEAR REACTIONS 95Mo(α, 2n), E=26 MeV; measured γ(θ, H, t). 97Ru level deduced g.


1982IO01      Hyperfine Interactions 12, 307 (1982)

M.Ionescu-Bujor, A.Iordachescu, E.A.Ivanov, G.Pascovici, D.Plostinaru, Chen Yilung

Investigation of the System TeSn by the Combined Hyperfine Interaction Method

RADIOACTIVITY 121,115,123Te [from Sn(α, n), E=25 MeV]; measured Iγ(θ, H, T); deduced quadrupole interaction strengths for Te in Sn. 121,115Te deduced isomer level quadrupole moment ratio.

doi: 10.1007/BF01026379
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1982ZA04      Rev.Roum.Phys. 27, 33 (1982)

M.Zaharcu, A.Iordachescu, D.Plostinaru, E.A.Ivanov

Electromagnetic Properties of an 8+ Isomeric State in 84Kr

NUCLEAR REACTIONS 82Se(α, 2n), E=16.5-27.3 MeV; measured Eγ, Iγ, γ(t), γ(θ, H, t). 84Kr deduced isomer T1/2, J, π, μ.


1981IO03      Hyperfine Interactions 9, 71 (1981)

M.Ionescu-Bujor, A.Iordachescu, E.A.Ivanov, D.Plostinaru

The g-Factors of the Isomeric States in 117Te and 123Te

NUCLEAR REACTIONS 114,120Sn(α, n), E=25 MeV; measured γ(θ, H, t). 117,123Te levels deduced g, configuration.

doi: 10.1007/BF01020900
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1981IO04      Hyperfine Interactions 9, 75 (1981)

M.Ionescu-Bujor, A.Iordaschescu, E.A.Ivanov, D.Plostinaru

The g-Factors of the 3+ and 6- States in 124Sb

NUCLEAR REACTIONS 124Sn(d, 2n), E=12 MeV; measured γ(θ, H, t). 124Sb levels deduced g, configuration. Enriched metallic target.

doi: 10.1007/BF01020901
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1981IO05      Rev.Roum.Phys. 26, 239 (1981)

M.Ionescu-Bujor, A.Iordachescu, E.A.Ivanov, D.Plostinaru, Chen Yilung

Half-Life and Magnetic Moment of a 7/2+ Level in 123Te

NUCLEAR REACTIONS 120Sn(α, n), E=25 MeV; 123Sb(d, 2n), E=12.5 MeV; measured γ(t), γ(θ, H, t). 123Te deduced isomer, T1/2, J, π, μ.


1981IO07      Hyperfine Interactions 11, 71 (1981)

M.Ionescu-Bujor, A.Iordachescu, E.A.Ivanov, D.Plostinaru

Investigation of Radiation Damage by Larmor Precession of 112In in Ag

NUCLEAR REACTIONS 109Ag(α, n), E=24 MeV; measured γ(θ, H, t); deduced electric field gradient for In in Ag. 112In level deduced quadrupole moment.

doi: 10.1007/BF01026469
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1980IO01      Phys.Lett. 90B, 65 (1980)

M.Ionescu-Bujor, A.Iordachescu, E.A.Ivanov, D.Plostinaru

Spin, Lifetime and Magnetic Moment of a New Isomeric State in 121Te

NUCLEAR REACTIONS 118Sn(α, n), E=24 MeV; 121Sb(d, 2n), E=12 MeV; measured γ(θ, H, t). 121Te deduced level, J, π, T1/2, μ.

doi: 10.1016/0370-2693(80)90052-0
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1979IO02      Hyperfine Interactions 7, 241 (1979)

M.Ionescu-Bujor, A.Iordachescu, E.A.Ivanov, D.Plostinaru, S.Vajda

Quadrupole Interaction of 120Sb in Metallic Tin

RADIOACTIVITY 120Sb [from 120Sn(p, n), E=11 MeV]; measured Iγ(θ, H, t) in Sn; deduced temperature dependence of quadrupole coupling constant, anisotropy coefficient.

doi: 10.1007/BF01021506
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1979PL05      Rev.Roum.Phys. 24, 661 (1979)

D.Plostinaru, A.Iordachescu, E.A.Ivanov, G.Pascovici

g-Factor of the 17/2- State in 91Nb

NUCLEAR REACTIONS 89Y(α, 2n), E=27 MeV; measured γ(θ, H, t). 91Nb level deduced g.


1977CO18      Rev.Roum.Phys. 22, 541 (1977)

B.Constantinescu, A.Iordachescu, E.A.Ivanov, D.Plostinaru, G.Pascovici

Magnetic Moment of the 5+ State in 122Sb

NUCLEAR REACTIONS 122Sn(d, 2nγ), E=10 MeV; measured γ(θ, H, t). 122Sb level deduced g.


1977IO01      Rev.Roum.Phys. 22, 1119 (1977)

A.Iordachescu, E.A.Ivanov, D.Plostinaru, G.Pascovici, P.Racoltea

Quadrupole Moments of the 3+ Isomeric States in 120Sb and 122Sb

NUCLEAR REACTIONS 120,122Sn(p, nγ), E=12 MeV; measured γ(θ, H, t). 120,122Sb levels deduced quadrupole moment. TDPAD method.


1977PL07      Rev.Roum.Phys. 22, 1011 (1977)

D.Plostinaru, A.Iordachescu, E.A.Ivanov, G.Pascovici

Magnetic Moment of the 3.8 μs Isomeric State in 92Nb

NUCLEAR REACTIONS 89Y(α, 2nγ), E=26 MeV; measured γ(θ, H, t). 91Nb level deduced g. TDPAD method.


1977ZA09      Rev.Roum.Phys. 22, 877 (1977)

M.Zaharcu, A.Iordachescu, E.A.Ivanov, D.Plostinaru

g-Factor of a New 1.84 μs Isomeric State in 84Kr

NUCLEAR REACTIONS 82Se(α, 2nγ), E=24 MeV; measured γ(θ, H, t). 84Kr level deduced g.


1976BE59      Hyperfine Interactions 2, 326 (1976)

H.Bertschat, O.Echt, H.Haas, E.Ivanov, E.Recknagel, E.Schlodder, B.Spellmeyer, M.Ionescu-Bujor, A.Iordaschescu, G.Pascovici, D.Plostinaru, S.Vajda

Quadrupole Moments of High Spin Isomeric States

NUCLEAR REACTIONS Cd(α, n), (α, 2n); measured spin rotation spectra. 113,114,115,116,118Sn levels deduced quadrupole moment.

doi: 10.1007/BF01021160
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1976IO02      Phys.Lett. 64B, 36 (1976)

M.Ionescu-Bujor, E.A.Ivanov, A.Iordaschescu, D.Plostinaru, G.Pascovici

Static Quadrupole Moment of the 8- State of 112In

NUCLEAR MOMENTS 112mIn [from 112Cd(d, 2n)]; measured γ(θ, t) for 112In in Cd; deduced quadrupole coupling constant.

doi: 10.1016/0370-2693(76)90350-6
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1976IO03      Phys.Lett. 64B, 151 (1976)

A.Iordachescu, E.A.Ivanov, D.Plostinaru, O.Echt, G.Pascovici, S.Vajda, B.Constantinescu, P.Racoltea

Spin, Lifetime and Magnetic Moment of a New Isomeric State in 120Sb

NUCLEAR REACTIONS 120Sn(p, n), E=11 MeV; measured γ(θ, H, t), X-rays. 120Sb deduced level, J, π, g.

doi: 10.1016/0370-2693(76)90317-8
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1976IO04      Nucl.Phys. A272, 1 (1976)

M.Ionescu-Bujor, E.A.Ivanov, A.Iordachescu, D.Plostinaru, G.Pascovici

Two High-Spin Isomeric States in 112In

NUCLEAR REACTIONS 112Cd(p, n), E=5.7-11 MeV; 109Ag(α, n), E=16-24 MeV; measured Eγ, Iγ(θ, H, t), I(X), γγ-coin. 112In deduced levels, J, π, T1/2, multipolarities, g-factors. Enriched targets. NaI(Tl), Ge(Li), Si(Li) detectors.

doi: 10.1016/0375-9474(76)90314-6
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1976IO05      Hyperfine Interactions 2, 324 (1976)

M.Ionescu-Bujor, E.A.Ivanov, A.Iordachescu, D.Plostinaru, G.Pascovici

Half-Lives and Magnetic Moments of Two High Spin States in 112In

NUCLEAR REACTIONS 112Cd(p, nγ), 109Ag(α, nγ); measured γ(θ, t), γγ(t), K X-ray(t). 112In levels deduced T1/2, g, λ.

doi: 10.1007/BF01021159
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1975IO01      Rev.Roum.Phys. 20, 519 (1975)

A.Iordachescu, E.A.Ivanov, G.Pascovici

A Highly Excited Isomeric State in 38K

NUCLEAR REACTIONS 35Cl(α, n), E=12-27 MeV pulsed beam; measured Eγ, Iγ, γ(t), isomeric σ ratios. 38mK deduced T1/2. 38K deduced levels, J, π, ICC.


1975IV02      Rev.Roum.Phys. 20, 141 (1975)

E.A.Ivanov, A.Iordachescu, G.Pascovici

Pulsed Beam Measurements of the g-Factors of the Isomeric States in 115Sn and 117Sb

NUCLEAR REACTIONS Cd, In(α, xnγ), E=24 MeV pulsed beam; measured γ(θ, H, t). 115mSn, 117mSb deduced g.


1975PL04      Phys.Lett. 57B, 235 (1975)

D.Plostinaru, E.A.Ivanov, G.Pascovici, A.Iordaschescu

Spin-Parity, Lifetime and Magnetic Moment of a Short-Lived Isomeric State in 118Sb

NUCLEAR REACTIONS 118Sn(p, nγ), E=6-12 MeV; 115In(α, nγ), E=20 MeV; measured K X-ray, Eγ, γ(θ, H, t), K X-ray γ-coin. 118Sb deduced transitions. 118mSb deduced T1/2, μ, ICC, J, π.

doi: 10.1016/0370-2693(75)90063-5
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1974BE36      Z.Phys. 269, 117 (1974)

A.Berinde, R.O.Dumitru, M.Grecescu, A.Iordachescu, I.Neamu, G.Pascovici, D.Plostinaru, C.M.Teodorescu

Excited States in 91Nb Populated in the 89Y(α, 2nγ) Reaction

NUCLEAR REACTIONS 89Y(α, 2nγ), E=17-25 MeV; measured σ(E, Eγ, θ), γ(t). 91Nb deduced levels, J, π, T1/2, λ, γ-branching ratios.

doi: 10.1007/BF01669052
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