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Search: Author = E.Dragulescu

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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
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2011DA08      Phys.Rev. C 83, 054312 (2011)

J.M.Daugas, I.Matea, J.-P.Delaroche, M.Pfutzner, M.Sawicka, F.Becker, G.Belier, C.R.Bingham, R.Borcea, E.Bouchez, A.Buta, E.Dragulescu, G.Georgiev, J.Giovinazzo, M.Girod, H.Grawe, R.Grzywacz, F.Hammache, F.Ibrahim, M.Lewitowicz, J.Libert, P.Mayet, V.Meot, F.Negoita, F.de Oliveira Santos, O.Perru, O.Roig, K.Rykaczewski, M.G.Saint-Laurent, J.E.Sauvestre, O.Sorlin, M.Stanoiu, I.Stefan, Ch.Stodel, Ch.Theisen, D.Verney, J.Zylicz

β-decay measurements for N > 40 Mn nuclei and inference of collectivity for neutron-rich Fe isotopes

RADIOACTIVITY 58,59,60,61Ti, 61,62,63,64V, 63,64,65,66Cr, 64,65,66,67,68,69Mn, 67,68,69,70,71Fe, 69,70,71,72,73,74Co(β-)[from 86Kr(Ta, X), E=57.8 MeV/nucleon]; measured β spectra, Eγ, Iγ, βγ-coin, half-lives. Comparison with previous half-life measurements. 67Mn(β-n); measured beta-delayed neutron emission probability. 66,67,68Fe; deduced levels, J, π, multipolarity. Comparison with mean-field calculations.

NUCLEAR STRUCTURE 66,68Fe; calculated levels, J, π, PES, neutron single-particle levels. Application to 67Fe structure. Beyond-mean-field calculations with the Gogny D1S force. Systematics of first 2+ states in N=24-50 Fe isotopes.

doi: 10.1103/PhysRevC.83.054312
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2004SA13      Eur.Phys.J. A 20, 109 (2004)

M.Sawicka, M.Pfutzner, R.Grzywacz, J.M.Daugas, I.Matea, M.Lewitowicz, H.Grawe, F.Becker, G.Belier, C.Bingham, R.Borcea, E.Bouchez, A.Buta, E.Dragulescu, J.E.Sauvestre, G.Georgiev, J.Giovinazzo, F.Hammache, F.Ibrahim, P.Mayet, V.Meot, F.Negoita, F.de Oliveira Santos, O.Perru, O.Roig, K.P.Rykaczewski, M.G.Saint-Laurent, O.Sorlin, M.Stanoiu, I.Stefan, C.Stodel, C.Theisen, D.Verney

Evidence for an isomer in 76Ni

NUCLEAR REACTIONS Ta(86Kr, X)71Ni/72Ni/73Ni/75Ni/76Ni, E=58 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin. 76Ni deduced transitions, isomer T1/2.

doi: 10.1140/epja/i2002-10333-0
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2004SA59      Eur.Phys.J. A 22, 455 (2004)

M.Sawicka, I.Matea, H.Grawe, R.Grzywacz, M.Pfutzner, M.Lewitowicz, J.M.Daugas, B.A.Brown, A.Lisetskiy, F.Becker, G.Belier, C.Bingham, R.Borcea, E.Bouchez, A.Buta, E.Dragulescu, G.de France, G.Georgiev, J.Giovinazzo, F.Hammache, F.Ibrahim, P.Mayet, V.Meot, F.Negoita, F.De Oliveira-Santos, O.Perru, O.Roig, K.Rykaczewski, M.G.Saint-Laurent, J.E.Sauvestre, O.Sorlin, M.Stanoiu, I.Stefan, C.Stodel, Ch.Theisen, D.Verney, J.Zylicz

Beta-decay of 71Co and 73Co

RADIOACTIVITY 71,73Co(β-) [from Ta(86Kr, X)]; measured Eγ, Iγ, βγ-coin, T1/2. 71,73Ni deduced levels, J, π. Comparison with model predictions.

doi: 10.1140/epja/i2004-10047-3
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2003SA40      Phys.Rev. C 68, 044304 (2003)

M.Sawicka, R.Grzywacz, I.Matea, H.Grawe, M.Pfutzner, J.M.Daugas, M.Lewitowicz, D.L.Balabanski, F.Becker, G.Belier, C.Bingham, C.Borcea, E.Bouchez, A.Buta, M.La Commara, E.Dragulescu, G.de France, G.Georgiev, J.Giovinazzo, M.Gorska, F.Hammache, M.Hass, M.Hellstrom, F.Ibrahim, Z.Janas, H.Mach, P.Mayet, V.Meot, F.Negoita, G.Neyens, F.de Oliveira Santos, R.D.Page, O.Perru, Zs.Podolyak, O.Roig, K.P.Rykaczewski, M.G.Saint-Laurent, J.E.Sauvestre, O.Sorlin, M.Stanoiu, I.Stefan, C.Stodel, Ch.Theisen, D.Verney, J.Zylicz

Low energy levels in 72Ni

RADIOACTIVITY 70,72Co(β-) [from Ta(86Kr, X)]; measured β-delayed Eγ, Iγ, βγ-coin, T1/2; deduced log ft. 70,72Ni deduced levels, J, π. Comparison with model predictions.

doi: 10.1103/PhysRevC.68.044304
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2002SO03      Phys.Rev.Lett. 88, 092501 (2002)

O.Sorlin, S.Leenhardt, C.Donzaud, J.Duprat, F.Azaiez, F.Nowacki, H.Grawe, Zs.Dombradi, F.Amorini, A.Astier, D.Baiborodin, M.Belleguic, C.Borcea, C.Bourgeois, D.M.Cullen, Z.Dlouhy, E.Dragulescu, M.Gorska, S.Grevy, D.Guillemaud-Mueller, G.Hagemann, B.Herskind, J.Kiener, R.Lemmon, M.Lewitowicz, S.M.Lukyanov, P.Mayet, F.de Oliveira Santos, D.Pantalica, Yu.-E.Penionzhkevich, F.Pougheon, A.Poves, N.Redon, M.G.Saint-Laurent, J.A.Scarpaci, G.Sletten, M.Stanoiu, O.Tarasov, Ch.Thelsen

2868Ni40: Magicity versus superfluidity

NUCLEAR REACTIONS 208Pb(66Ni, 66Ni'), (68Ni, 68Ni'), E ≈ 50 MeV/nucleon; 208Pb(70Zn, 70Zn'), E=65.9 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 70Zn, 66,68Ni deduced transitions B(E2). Comparison with shell model calculations.

doi: 10.1103/PhysRevLett.88.092501
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2001GR07      Nucl.Phys. A682, 41c (2001)

R.Grzywacz, C.H.Yu, Z.Janas, S.D.Paul, J.C.Batchelder, C.R.Bingham, T.N.Ginter, C.J.Gross, J.McConnell, M.Lipoglavsek, A.Piechaczek, D.C.Radford, J.J.Ressler, K.Rykaczewski, J.Shergur, W.B.Walters, E.F.Zganjar, C.Baktash, M.P.Carpenter, R.V.F.Janssens, C.E.Svensson, J.C.Waddington, D.Ward, E.Dragulescu

In-Beam Study of the N = Z Nucleus 3366As33 using the Decay Tagging Technique

NUCLEAR REACTIONS 40Ca(28Si, np), E=85.3 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (recoil)γ-coin. 66As deduced levels, J, π, isomers T1/2. Clarion array, mass separator, recoil-decay tagging.

doi: 10.1016/S0375-9474(00)00620-5
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2000BR38      Phys.Rev. C62, 027303 (2000)

A.M.Bruce, J.Simpson, D.D.Warner, C.Baktash, C.J.Barton, M.A.Bentley, M.J.Brinkman, R.A.Cunningham, E.Dragulescu, L.Frankland, T.N.Ginter, C.J.Gross, R.C.Lemmon, B.MacDonald, C.D.O'Leary, S.M.Vincent, R.Wyss, C.H.Yu, N.V.Zamfir

Two-Neutron Alignment and Shape Changes in 69As

NUCLEAR REACTIONS 40Ca(32S, 3p), E=105 MeV; measured Eγ, Iγ, γγ-coin. 69As deduced high-spin levels, J, π, configurations, deformation. Recoil mass spectrometer, cranked mean-field calculations.

doi: 10.1103/PhysRevC.62.027303
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1999DR18      Pramana 53, 447 (1999)

E.Dragulescu, G.Semenescu, I.Iftimia

Nuclear Structure Studies of Nuclei Near N = 80

NUCLEAR STRUCTURE 135,136Ba, 136La, 137Ce, 139Nd; analyzed data; deduced levels, J, π. Comparison with IBM calculations.

doi: 10.1007/s12043-999-0013-z
Citations: PlumX Metrics


1994CL01      Phys.Rev. C50, 84 (1994)

R.M.Clark, R.Wadsworth, H.R.Andrews, C.W.Beausang, M.Bergstrom, S.Clarke, E.Dragulescu, T.Drake, P.J.Dagnall, A.Galindo-Uribarri, G.Hackman, K.Hauschild, I.M.Hibbert, V.P.Janzen, P.M.Jones, R.W.MacLeod, S.M.Mullins, E.S.Paul, D.C.Radford, A.Semple, J.F.Sharpey-Schafer, J.Simpson, D.Ward, G.Zwartz

Recoil Distance Lifetime Measurements of States in the Oblate Dipole Bands of 197,198Pb

NUCLEAR REACTIONS 176Yb(26Mg, xn), E=125 MeV; 186W(18O, xn), E=113 MeV; measured γγ-coin, DSA, Eγ. 197,198Pb deduced high-spin levels B(λ), T1/2, quadrupole moments, γ-branching ratio. Donau-Frauendorf model, tilted axis cranking model. Enriched targets, Ge detection, BGO suppression shields.

doi: 10.1103/PhysRevC.50.84
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1994CL02      Phys.Rev. C50, 1222 (1994)

R.M.Clark, R.Wadsworth, K.Hauschild, I.M.Hibbert, E.Dragulescu, C.W.Beausang, M.H.Bergstrom, S.Clarke, P.J.Dagnall, P.M.Jones, E.S.Paul, A.T.Semple, J.F.Sharpey-Schafer, J.Simpson, W.Satula, R.Wyss

Superdeformation in the Pb Nuclei and the Evolution of the Dynamic Moments of Inertia

NUCLEAR REACTIONS 186W(18O, xn), E=113 MeV; measured Eγ, Iγ, γγ-coin. 194,196,198Pb deduced superdeformed band features, dynamic moments of inertia. Comparison with cranked Woods-Saxon calculations. Enriched targets, hyperpure Ge detectors, BGO suppression shields.

doi: 10.1103/PhysRevC.50.1222
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1993PO17      Z.Phys. A347, 63 (1993)

I.Popescu, T.Badica, E.Dragulescu

Low-Lying Levels of the Odd 69As Nucleus in the Particle Quadrupole-Phonon Coupling Model (PTQM)

NUCLEAR STRUCTURE 68Ge; calculated levels. 69As; calculated levels, transition Eγ, B(λ), T1/2. Particle quadrupole-phonon coupling, truncated quadrupole-phonon models, SU(6) symmetry.

doi: 10.1007/BF01301278
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1993PO25      Roum.J.Phys. 38, 547 (1993)

I.Popescu, T.Badica, E.Dragulescu

Excited States of 69Ge Nucleus in the Particle Quadrupole-Phonon Model (PTQM)

NUCLEAR STRUCTURE 69Ge; calculated levels, B(λ). Particle quadrupole-phonon model.


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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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
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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.


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.


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
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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
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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.


1976AV06      Nucl.Phys. A272, 243 (1976)

V.Avrigeanu, D.Bucurescu, G.Constantinescu, E.Dragulescu, M.Ivascu, D.Pantelica, R.Teodorescu

Spectroscopy of High Spin States in 52Mn

NUCLEAR REACTIONS 39K(16O, n2pγ), E=37-52 MeV; measured pγ-, γγ-coin, σ(E, Eγ), σ(Eγ, θ), recoil distance, DSA. 52Mn levels deduced J, π, δ, γ-branching, T1/2. Natural target.

doi: 10.1016/0375-9474(76)90329-8
Citations: PlumX Metrics


1976BU08      Rev.Roum.Phys. 21, 97 (1976)

D.Bucurescu, E.Dragulescu, M.Ivascu, M.Avrigeanu, G.Semenescu

The (α, p) Reaction on Odd Cu and Ga Isotopes

NUCLEAR REACTIONS 63,65Cu(α, p), E=19.4 MeV; 69,71Ga(α, p), E=20.0 MeV; measured σ(Ep, θ) to levels in 66,68Zn, 72,74Ge.


1975AV03      Rev.Roum.Phys. 20, 959 (1975)

V.Avrigeanu, D.Bucurescu, E.Dragulescu, M.Ivascu, D.Popescu

Excited States of the 37Cl Nucleus

NUCLEAR REACTIONS 37Cl(p, p'), E=15.0 MeV; 34S(α, p), E=18.0 MeV; measured σ. 37Cl deduced levels, J, π, L.


1974AV06      Rev.Roum.Phys. 19, 561 (1974)

V.Avrigeanu, D.Bucurescu, E.Dragulescu, M.Ivascu, D.Popescu

Study of 37Cl Nucleus by Proton Scattering

NUCLEAR REACTIONS 37Cl(p, p'), E=15 MeV; measured σ(Ep', θ). 37Cl deduced levels.


1974IV01      Nucl.Phys. A218, 104 (1974)

M.Ivascu, D.Popescu, E.Dragulescu, V.Avrigeanu, C.Besliu, N.Martalogu

Lifetimes of Some Excited States in 64Ni, 66Zn and 68Zn

NUCLEAR REACTIONS 64Ni, 66,68Zn(α, α'γ), 63,65Cu(α, pγ), Eα=13 MeV; measured Doppler-shift attenuation. 64Ni, 66Zn, 68Zn deduced levels, T1/2. Enriched targets.

doi: 10.1016/0375-9474(74)90023-2
Citations: PlumX Metrics


1974IV03      Nucl.Phys. A225, 357 (1974)

M.Ivascu, D.Bucurescu, D.Popescu, V.Avrigeanu, E.Dragulescu, G.Semenescu, M.Avrigeanu

Spectroscopy of the 69Ga and 71Ga Isotopes with the 69,71Ga(α, α'γ)69,71Ga and 66,68Zn(α, pγ)69,71Ga Reactions

NUCLEAR REACTIONS 69,71Ga(α, α'γ), 66,68Zn(α, pγ), E=13 MeV; measured Eγ, Doppler shift attenuation. 69,71Ga levels deduced T1/2, E(X). Enriched targets.

doi: 10.1016/0375-9474(74)90546-6
Citations: PlumX Metrics


1973BU13      Rev.Roum.Phys. 18, 359 (1973)

D.Bucurescu, E.Dragulescu, M.Duma, M.Ivascu, D.Popescu, G.Semenescu

Levels of 83Br from the (α, p) Reaction

NUCLEAR REACTIONS 80Se(α, p), E=20.5 MeV; measured σ(Ep, θ). 83Br deduced levels, J, π, L.


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