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NSR database version of May 24, 2024.

Search: Author = D.M.Filipescu

Found 78 matches.

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2024FI03      Phys.Rev. C 109, 044602 (2024)

D.Filipescu, I.Gheorghe, S.Goriely, A.Tudora, K.Nishio, T.Ohtsuki, H.Wang, G.Fan, K.Stopani, F.Suzaki, K.Hirose, M.Inagaki, Y.-W.Lui, T.Ari-izumi, S.Miyamoto, T.Otsuka, H.Utsunomiya

Giant dipole resonance photofission and photoneutron reactions in 238U and 232Th

doi: 10.1103/PhysRevC.109.044602
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2022IV01      Phys.Rev. C 105, 034337 (2022)

D.Ivanova, S.Lalkovski, C.Costache, S.Kisyov, C.Mihai, N.Marginean, P.Petkov, L.Atanasova, D.Bucurescu, R.B.Cakirli, M.P.Carpenter, R.F.Casten, Gh.Cata-Danil, I.Cata-Danil, D.Deleanu, D.Filipescu, N.Florea, I.Gheorghe, D.Ghita, T.Glodariu, F.G.Kondev, R.Lica, R.Marginean, A.Negret, S.Pascu, T.Sava, E.A.Stefanova, L.Stroe, G.Suliman, R.Suvaila, O.Yordanov, N.V.Zamfir

Structure of the low-lying states in 99, 101, 103, 105Pd

NUCLEAR REACTIONS 90,92,94Zr(12C, 3n), E=45 MeV; 96Zr(13C, 4n), E=55 MeV; measured Eγ, Iγ, γγ-coin. 94Zr(12C, 3n), E=56 MeV; measured Eγ, Iγ, γγ-coin with plunger device. 99,101,103,105Pd; deduced levels, J, π, B(M1), B(E2), T1/2 of excited states, multipolarity, δ, high-spin states, bands structure. Half-lives were determined by centroid shift method, deconvolution method and differential decay curve method (on case of 103Pd experiment with plunger). Comparison with rigid triaxial rotor plus particle model (RTRPM) calculations. RoSphere array comprised of 8 HPGe and 11 LaBr3:Ce detectors at IFIN-HH (Romania).

doi: 10.1103/PhysRevC.105.034337
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2022MI15      Phys.Rev. C 106, 024332 (2022)

R.E.Mihai, A.S.Mare, N.Marginean, A.Petrovici, O.Andrei, M.Boromiza, D.Bucurescu, G.Cata-Danil, C.Clisu, C.Costache, I.Dinescu, D.Filipescu, N.Florea, I.Gheorghe, A.Ionescu, R.Lica, R.Marginean, C.Mihai, A.Mitu, A.Negret, C.R.Nita, A.Olacel, A.Oprea, S.Pascu, A.Serban, C.Sotty, L.Stan, R.Suvaila, S.Toma, A.Turturica, S.Ujeniuc, C.A.Ur

Search for isospin-symmetry breaking in the A=62 isovector triplet

NUCLEAR REACTIONS 58Ni(6Li, 2n)62Ga, E=22 MeV; measured Eγ, Iγ, nγ-coin, (2n)γ-coin, γ(θ) using ROSPHERE array with ten Compton-suppressed HPGe detectors and 11 LaBr3(Ce) detectors for γ rays, and two liquid scintillator neutron detector walls with 12 detectors each neutrons at the IFIN-HH 9-MV Tandem accelerator. 62Ga; deduced levels, J, π, first 2+ state, multipolarities. Comparison with beyond-mean-field complex excited Vampir variational model. Discussed Coulomb energy differences (CED), mirror energy differences (MED), triplet energy differences (TED) for A=62 triplet. 59Ni, 62Cu, 62Zn; observed γ rays.

NUCLEAR STRUCTURE 62Ge, 62Ga, 62Zn; calculated energies of low-lying 0+, 2+ and 4+ analog states, B(E2) for 62Zn, superallowed Fermi β decay strength distribution from 62Ga decay to 62Ge g.s., and compared with available experimental values.

doi: 10.1103/PhysRevC.106.024332
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2022OL05      Phys.Rev. C 106, 024609 (2022)

A.Olacel, C.Borcea, M.Boromiza, S.Calinescu, C.Clisu, C.Costache, Ph.Dessagne, I.Dinescu, D.Filipescu, N.Florea, I.Harca, G.Henning, A.Ionescu, M.Kerveno, R.Lica, A.Matei, C.Mihai, R.Mihai, A.Mitu, A.Negret, C.Nita, M.Nyman, A.Oprea, C.Petrone, A.J.M.Plompen, C.Sotty, L.Stan, L.Stoica, G.Suliman, A.Turturica, S.Ujeniuc

Nucleon-induced inelastic cross sections on natNi

NUCLEAR REACTIONS 58,60,64Ni(n, n'γ), E=2-17 MeV; 58Ni(p, p'γ), E=4-17 MeV; measured Eγ, Iγ; deduced total σ(E) and exclusive σ(E) for population of particular levels, γ-production σ(E). Comparison to other experimental data and TALYS-1.9 calculations using semimicroscopical (JLM) nucleon OMP. Neutron-beam experiment: Gamma Array for Inelastic Neutron Scattering (GAINS) spectrometer setup at Geel Electron Linear Accelerator (GELINA) neutron source. Proton-beam experiment: two HPGe detectors at 9-MV Tandem facility of the Horia Hulubei National Institute for Physics and Nuclear Engineering (IFIN-HH).

doi: 10.1103/PhysRevC.106.024609
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23773.


2021GO15      Phys.Rev. C 103, L041302 (2021)

G.Gosta, A.Mentana, F.Camera, A.Bracco, S.Ceruti, G.Benzoni, N.Blasi, S.Brambilla, S.Capra, F.C.L.Crespi, A.Giaz, S.Leoni, B.Million, S.Riboldi, C.Porzio, S.Ziliani, O.Wieland, A.Nannini, M.Rocchini, N.Marchini, M.Ciemala, M.Kmiecik, A.Maj, B.Wasilewska, M.Zieblinski, D.Filipescu, J.Kaur, N.Marginean, S.Pascu, T.Glodariu, D.Ghita, V.Zamfir, J.J.Valiente-Dobon, G.de Angelis, F.Galtarossa, A.Goasduff, T.Bayram, A.Gadea, A.Montaner, I.Zanon, D.Brugnara, A.Gozzelino, G.Pasqualato, R.Menegazzo, A.Gottardo, G.Jaworski, S.Lenzi, D.Napoli, D.Testov, M.Siciliano, T.Marchi, D.Mengoni, D.Bazzacco, A.Boso, P.R.John, F.Recchia, R.Raabe, O.Poleshchuk, J.Yang

Probing isospin mixing with the giant dipole resonance in the 60Zn compound nucleus

NUCLEAR REACTIONS 32Si(28Si, X)60Zn*, E=86, 110 MeV; 32Si(30Si, X)62Zn*, E=75, 98 MeV; measured high-energy Eγ, Iγ using GALILEO array of 25 HPGe detectors and ten LaBr3(Ce) scintillators at the Tandem accelerator facility of INFN-Legnaro. 60,62Zn; deduced GDR parameters, Coulomb spreading widths, isospin mixing parameter at zero temperature and the isospin-symmetry-breaking correction for beta decay by analyzing experimental γ-spectra with statistical model calculations using a version of CASCADE code that included isospin formalism. Comparison of Coulomb spreading widths with the values for other mass regions deduced from GDR γ-decay measurements in other compound-nucleus reactions.

doi: 10.1103/PhysRevC.103.L041302
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2021TU02      Phys.Rev. C 103, 044306 (2021)

A.Turturica, C.Costache, P.Petkov, J.-P.Delaroche, M.Girod, J.Libert, G.Cata-Danil, S.Pascu, C.Mihai, M.Boromiza, D.Bucurescu, C.Clisu, D.Filipescu, N.M.Florea, I.Gheorghe, A.Ionescu, R.Lica, N.M.Marginean, R.Marginean, R.E.Mihai, A.Mitu, A.Negret, C.R.Nita, A.Olacel, A.Oprea, T.Sava, C.Sotty, L.Stan, I.Stiru, R.Suvaila, S.Toma, G.V.Turturica, S.Ujeniuc

Collective properties of neutron-deficient Nd isotopes: Lifetime measurements of the yrast states in 136Nd

NUCLEAR REACTIONS 124Te(16O, 4n), E=80 MeV; measured Eγ, Iγ, γγ-coin, half-lives of levels by recoil distance Doppler shift (RDDS) and Doppler-shift attenuation (DSA) methods and analysis by differential decay curve method (DDCM) using ROSPHERE array at the tandem accelerator facility of IFINHH-Bucharest-Magurele. 136Nd; deduced levels, J, π, bands, B(E2). Comparison with five-dimensional collective Hamiltonian (5DCH) calculations with D1S Gogny force. Systematics of energies of ground state and γ bands, and other observables in 130,132,134,136,138,140Nd.

NUCLEAR STRUCTURE 130,132,134,136,138,140Nd; calculated potential energy surfaces (PES) in (β, γ) plane, mean β and γ deformations, moments of inertia for yrast bands, B(E2), even-odd staggering parameter, spectroscopic quadrupole moments, charge radii and isotope shifts, ρ2(E0) rates. Five-dimensional collective Hamiltonian (5DCH) calculations with D1S Gogny force. Comparison with experimental data.

doi: 10.1103/PhysRevC.103.044306
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2021VO14      Phys.Lett. B 821, 136624 (2021)

M.von Tresckow, M.Rudigier, T.M.Shneidman, T.Kroll, M.Boromiza, C.Clisu, C.Costache, d.Filipescu, N.M.Florea, I.Gheorghe, K.Gladnishki, A.Ionescu, D.Kocheva, R.Lica, N.Marginean, R.Marginean, K.R.Mashtakov, C.Mihai, R.E.Mihai, A.Negret, C.R.Nita, A.Olacel, A.Oprea, S.Pascu, G.Rainovski, T.Sava, M.Scheck, P.Spagnoletti, C.Sotty, L.Stan, I.Stiru, S.Toma, A.Turturica, S.Ujeniuc

New evidence for alpha clustering structure in the ground state band of 212Po

NUCLEAR REACTIONS 208Pb(10B, 6Li)212Po, E=51 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, level T1/2, B(E2). ROSPHERE array, Horia Hulubei National Institute. Delayed coincidence fast-timing method.

doi: 10.1016/j.physletb.2021.136624
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2020GO02      Acta Phys.Pol. B51, 683(2020)

G.Gosta, S.Ceruti, A.Mentana, M.Ciemala, F.Camera, A.Bracco, G.Benzoni, N.Blasi, G.Bocchi, S.Brambilla, F.C.L.Crespi, A.Giaz, S.Leoni, B.Million, O.Wieland, M.Kmiecik, A.Maj, B.Wasilewska, M.Zieblinski, D.Filipescu, D.Ghita, V.Zamfir, J.J.Valiente-Dobon, g.De Angelis, F.Galtarossa, A.Goasduff, G.Jaworski, D.R.Napoli, D.Testov, M.Siciliano, T.Marchi, D.Mengoni, D.Bazzacco, A.Boso, P.R.John, R.Recchia R.Raabe, O.Poleshchuk, J.Yang

Isospin Symmetry in the 60Zn Nucleus

doi: 10.5506/APhysPolB.51.683
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2020GO15      Phys.Rev. C 102, 064309 (2020)

S.Goriely, S.Peru, G.Colo, X.Roca-Maza, I.Gheorghe, D.Filipescu, H.Utsunomiya

E1 moments from a coherent set of measured photoneutron cross sections

NUCLEAR REACTIONS 59Co, 89Y, 103Rh, 139La, 159Tb, 165Ho, 169Tm, 181Ta, 197Au, 209Bi(γ, xn), E=neutron threshold to 40 MeV quasimonochromatic laser Compton-scattering (LCS) γ-ray beams; analyzed E1 moments, dipole polarizability times the symmetry energy, and enhancement factor of the TRK sum rule from experimental data for E1 photoneutron σ(E), integrated σ(E)TRK, centroid energies, and the polarizabilities obtained at the newSUBARU facility. Skyrme and Gogny Hartree-Fock-Bogolyubov (HFB) plus QRPA calculations, with D1M, D1S, and D1N interactions. Comparison between experimental E1 photon strength function (PSF) of 208Pb and 209Bi with the corresponding estimate of the strength contribution to the polarizability.

doi: 10.1103/PhysRevC.102.064309
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetK2683.


2020KA09      Nucl.Data Sheets 163, 109 (2020)

T.Kawano, Y.S.Cho, P.Dimitriou, D.Filipescu, N.Iwamoto, V.Plujko, X.Tao, H.Utsunomiya, V.Varlamov, R.Xu, R.Capote, I.Gheorghe, O.Gorbachenko, Y.L.Jin, T.Renstrom, M.Sin, K.Stopani, Y.Tian, G.M.Tveten, J.M.Wang, T.Belgya, R.Firestone, S.Goriely, J.Kopecky, M.Krticka, R.Schwengner, S.Siem, M.Wiedeking

IAEA Photonuclear Data Library 2019

doi: 10.1016/j.nds.2019.12.002
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2020KU24      Bull.Rus.Acad.Sci.Phys. 84, 1001 (2020)

D.Kumar, E.M.Kozulin, M.Cheralu, G.N.Knyazheva, I.M.Itkis, M.G.Itkis, K.V.Novikov, A.A.Bogachev, N.I.Kozulina, I.N.Diatlov, I.V.Pchelintsev, I.V.Vorobiev, T.Banerjee, Y.S.Mukhamejanov, A.N.Pan, V.V.Saiko, P.P.Singh, R.N.Sahoo, A.N.Andreyev, D.M.Filipescu, M.Maiti, R.Prajapat, R.Kumar

Study of Mass-Asymmetric Fission of 180, 190Hg Formed in the 36Ar + 144, 154Sm Reactions

NUCLEAR REACTIONS 36Ar(144Sm, X), (154Sm, X)180Hg/190Hg, E= 158, 181, 222 MeV; measured reaction products; deduced asymmetric fission of 180,190Hg with the most probable masses of light and heavy fragments of 79 and 101 amu, and 84 and 106 amu, respectively. Two components manifesting the symmetric and asymmetric fission modes are observed in the kinetic energy distributions.

doi: 10.3103/S1062873820080213
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2020MA37      Phys.Rev.Lett. 125, 102502 (2020)

N.Marginean, D.Little, Y.Tsunoda, S.Leoni, R.V.F.Janssens, B.Fornal, T.Otsuka, C.Michelagnoli, L.Stan, F.C.L.Crespi, C.Costache, R.Lica, M.Sferrazza, A.Turturica, A.D.Ayangeakaa, K.Auranen, M.Barani, P.C.Bender, S.Bottoni, M.Boromiza, A.Bracco, S.Calinescu, C.M.Campbell, M.P.Carpenter, P.Chowdhury, M.Ciemala, N.Cieplicka-Orynczak, D.Cline, C.Clisu, H.L.Crawford, I.E.Dinescu, J.Dudouet, D.Filipescu, N.Florea, A.M.Forney, S.Fracassetti, A.Gade, I.Gheorghe, A.B.Hayes, I.Harca, J.Henderson, A.Ionescu, L.W.Iskra, M.Jentschel, F.Kandzia, Y.H.Kim, F.G.Kondev, G.Korschinek, U.Koster, Krishichayan, M.Krzysiek, T.Lauritsen, J.Li, R.Marginean, E.A.Maugeri, C.Mihai, R.E.Mihai, A.Mitu, P.Mutti, A.Negret, C.R.Nita, A.Olacel, A.Oprea, S.Pascu, C.Petrone, C.Porzio, D.Rhodes, D.Seweryniak, D.Schumann, C.Sotty, S.M.Stolze, R.Suvaila, S.Toma, S.Ujeniuc, W.B.Walters, C.Y.Wu, J.Wu, S.Zhu, S.Ziliani

Shape Coexistence at Zero Spin in 64Ni Driven by the Monopole Tensor Interaction

NUCLEAR REACTIONS 62Ni(18O, 16O), E=39 MeV; 65Cu(11B, 12C), E=26 MeV; 63Ni(n, γ), E thermal; measured reaction products, Eγ, Iγ; analyzed available data from multiple experiments. 64Ni; deduced γ-ray energies, J, π, B(E2). Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.125.102502
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2020NO09      Phys.Rev. C 102, 044605 (2020)

K.V.Novikov, E.M.Kozulin, G.N.Knyazheva, I.M.Itkis, M.G.Itkis, A.A.Bogachev, I.N.Diatlov, M.Cheralu, D.Kumar, N.I.Kozulina, A.N.Pan, I.V.Pchelintsev, I.V.Vorobiev, W.H.Trzaska, S.Heinz, H.M.Devaraja, B.Lommel, E.Vardaci, S.Spinosa, A.Di Nitto, A.Pulcini, S.V.Khlebnikov, P.P.Singh, Ru.N.Sahoo, B.Gall, Z.Asfari, C.Borcea, I.Harca, D.M.Filipescu

Investigation of fusion probabilities in the reactions with 52, 54Cr, 64Ni, and 68Zn ions leading to the formation of Z = 120 superheavy composite systems

NUCLEAR REACTIONS 248Cm(52Cr, X)300120*, E=290, 304-MeV; 248Cm(54Cr, X)302120*, E=296 MeV; 232Th(68Zn, X)300120*, E=335 MeV; measured binary reaction products in coincidence by the double-arm time-of-flight spectrometer CORSET, the first two reactions using 248Cm target at the U-400 cyclotron facility of FLNR-Dubna, and the experiment with 232Th target at the University of Jyvaskyla K-130 cyclotron facility; deduced yield and TKE matrices of binary fragments as functions of mass and energy, capture cross sections as a function of effective fissility parameter, excitation energy of primary fragments as function of fragment mass, contributions of symmetric fragments to the capture cross sections, fusion probability as function of the mean fissility parameter, and production σ for the formation of Z=120 superheavy nucleus (SHN). 238U(64Ni, X)302120*, E=335 MeV; compared results of this experiment, reported in 2010Ko16, at Jyvaskyla with the data in the present experiments. 248Cm(54Cr, X) reaction determined to be the most favorable for the production of Z=120 element.

doi: 10.1103/PhysRevC.102.044605
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2019GO30      Eur.Phys.J. A 55, 172 (2019)

S.Goriely, P.Dimitriou, M.Wiedeking, T.Belgya, R.Firestone, J.Kopecky, M.Krticka, V.Plujko, R.Schwengner, S.Siem, H.Utsunomiya, S.Hilaire, S.Peru, Y.S.Cho, D.M.Filipescu, N.Iwamoto, T.Kawano, V.Varlamov, R.Xu

Reference database for photon strength functions

doi: 10.1140/epja/i2019-12840-1
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2019GO35      Acta Phys.Pol. B50, 481 (2019)

G.Gosta, S.Ceruti, A.Mentana, M.Ciemala, F.Camera, A.Bracco, G.Benzoni, N.Blasi, G.Bocchi, S.Brambilla, F.C.L.Crespi, A.Giaz, S.Leoni, B.Million, O.Wieland, M.Kmiecik, A.Maj, B.Wasilewska, M.Zieblinski, D.Filipescu, D.Ghita, V.Zamfir, J.J.Valiente-Dobon, G.de Angelis, F.Galtarossa, A.Goasduff, G.Jaworski, D.R.Napoli, D.Testov, M.Siciliano, T.Marchi, D.Mengoni, D.Bazzacco, A.Boso, P.R.John, F.Recchia, R.Raabe, O.Poleshchuk, J.Yang

Study of the Isospin Symmetry in 60Zn

NUCLEAR REACTIONS 28,30Si(32Si, X)60Zn/62Zn, E=75, 86, 98, 110 MeV; measured reaction products, Eγ, Iγ, γγ-coin, nγ-coin. Analysis of compound nuclei decay. GALILEO HPGe-array, EUCLIDES Si-array and Neutron Wall detectors.

doi: 10.5506/aphyspolb.50.481
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2019KR16      Acta Phys.Pol. B50, 487 (2019)

M.Krzysiek, H.Utsunomiya, I.Gheorghe, D.M.Filipescu, T.Renstrom, G.M.Tveten, S.Belyshev, K.Stopani, H.Wang, G.Fan, Y.-W.Lui, D.Symochko, S.Goriely, A.-C.Larsen, S.Siem, V.Varlamov, B.Ishkhanov, T.Ari-izumi, S.Miyamoto

Photoneutron Cross-section Measurements for 165Ho by the Direct Neutron-Multiplicity Sorting at NewSUBARU

NUCLEAR REACTIONS 165Ho(γ, γ'), E=11.5-43.2 MeV; measured In, neutron multiplicity; deduced photoneutron σ(E). Flat-efficeincy neutron detector for direct neutron-multiplicity sorting method.

doi: 10.5506/aphyspolb.50.487
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2019UT01      Phys.Rev. C 99, 024609 (2019)

H.Utsunomiya, T.Renstrom, G.M.Tveten, S.Goriely, T.Ari-izumi, D.Filipescu, J.Kaur, Y.-W.Lui, W.Luo, S.Miyamoto, A.C.Larsen, S.Hilaire, S.Peru, A.J.Koning

γ-ray strength function for thallium isotopes relevant to the 205Pb - 205Tl chronometry

NUCLEAR REACTIONS 203,205Tl(γ, n), E=7.9-13.0 MeV; measured E(n), I(n), σ(E) using 4π 3He proportional counter array for neutron detection at NewSUBARU synchrotronic radiation facility; deduced GDR parameters and γ-ray strength function (γSF), the latter on the basis of the Hartree-Fock-Bogolyubov plus quasiparticle random-phase approximation using the Gogny D1M interaction for E1 and M1 components with the zero-limit correction (QRPA+D1M+0lim). 203,205Tl(n, γ), Eγ=0.001-4 MeV; calculated σ(E) with the D1M+QRPA+0lim, and compared with available experimental results. 204Tl(n, γ), T=0-1 GK; calculated Maxwellian averaged σ(E) (MACS) with the D1M+QRPA+0lim strength function, and compared with experimental results, and recommended σ in compilations by Bao et al.

doi: 10.1103/PhysRevC.99.024609
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetK2615.


2019WI02      Phys.Rev. C 99, 024316 (2019)

J.Wiederhold, V.Werner, R.Kern, N.Pietralla, D.Bucurescu, R.Carroll, N.Cooper, T.Daniel, D.Filipescu, N.Florea, R-B.Gerst, D.Ghita, L.Gurgi, J.Jolie, R.S.Ilieva, R.Lica, N.Marginean, R.Marginean, C.Mihai, I.O.Mitu, F.Naqvi, C.Nita, M.Rudigier, S.Stegemann, S.Pascu, P.H.Regan

Evolution of E2 strength in the rare-earth isotopes 174, 176, 178, 180Hf

NUCLEAR REACTIONS 180Hf(16O, 16O), E=55 MeV; measured Eγ, Iγ, γγ-coin, half-lives of first 2+, 4+ and 6+ states by fast-timing γγ-coin using the ROSPHERE detector array for γ detection at the Bucharest FN Tandem accelerator. 180Hf; deduced levels, B(E2) values and B(E2) ratios. Comparison with literature values.

RADIOACTIVITY 174,176,178Ta(EC), (β+)[from 171Yb(6Li, 3n), 172,173Yb(7Li, 3n), E=30 MeV]; measured Eγ, Iγ, γγ-coin, half-lives of first 2+, 4+, 6+ states, and first 2- and 3- states in 176Hf by fast-timing γγ-coin using the ROSPHERE detector array for γ detection at the Bucharest FN Tandem accelerator. 174,176,178Hf; deduced levels, B(E2) for 174,176,178Hf, and B(E1), B(M2), B(E3) for 176Hf. Systematics of g factors and B(E2) of first excited 2+ states, β4 deformation parameters in 156,158,160,162,164,166,168,170Er, 158,160,162,164,166,168,170,172,174,176Yb, 162,164,166,168,170,172,174,176,178,180Hf, 168,170,172,174,180,182,184,186W, 178,180,182,184Os. Comparison with values obtained in the rigid rotor limit and in the vibrator limit.

doi: 10.1103/PhysRevC.99.024316
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Data from this article have been entered in the XUNDL database. For more information, click here.


2018BE10      Phys.Rev. C 97, 064310 (2018)

F.L.Bello Garrote, A.Gorgen, C.Mihai, T.Abraham, L.Crespo Campo, J.-P.Delaroche, D.Filipescu, N.M.Florea, I.Gheorghe, D.G.Ghita, M.Girod, T.Glodariu, K.Hadynska-Klek, M.Klintefjord, J.Libert, R.Lica, T.Marchlewski, N.Marginean, R.Marginean, I.Mitu, A.Negret, C.R.Nita, F.Nowacki, A.Olacel, S.Pascu, T.Renstrom, E.Sahin, S.Siem, J.Srebrny, A.Stolarz, L.Stroe, S.Toma, T.G.Tornyi, A.Tucholski

Lifetime measurements in 138Nd

NUCLEAR REACTIONS 123Sb(19F, 4n), E=68 MeV; measured Eγ, Iγ, γγ-coin, half-lives of excited levels by recoil-distance Doppler shift technique using the ROSPHERE array at IFIN-HH, Bucharest. 138Nd; deduced levels, J, π, B(E1), B(E2), configurations; calculated Potential energy surface (PES) for the ground-state. Comparison with large-scale shell model, and constrained Hartree-Fock-Bogoliubov calculations with the Gogny D1S interaction. Discussed onset of collectivity in Nd isotopes below the N=82 shell closure from B(E2) systematics in 132,134,136,138,140Nd, 136Ce, 140,142Sm.

doi: 10.1103/PhysRevC.97.064310
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2018RE15      Phys.Rev. C 98, 054310 (2018)

T.Renstrom, H.Utsunomiya, H.T.Nyhus, A.C.Larsen, M.Guttormsen, G.M.Tveten, D.M.Filipescu, I.Gheorghe, S.Goriely, S.Hilaire, Y.-W.Lui, J.E.Midtbo, S.Peru, T.Shima, S.Siem, O.Tesileanu

Verification of detailed balance for γ absorption and emission in Dy isotopes

NUCLEAR REACTIONS 162,163Dy(γ, n), E=6.4-13.5 MeV laser Compton backscattered γ-ray beam; measured neutron spectra, and σ(E) using 4π 3He proportional counter array for neutron detection at the NewSUBARU synchrotronic radiation facility; deduced renormalized nuclear level densities (NLD), γ-strength functions (γSF). 160,161,162,163,164Dy; deduced γ strength functions, nuclear level densities, E1 γ strength function, and M1 scissors resonance σ, centroids, widths, B(M1). 159,160,161,162,163Dy(n, γ), E=0.001-1 MeV; calculated σ(E) with TALYS-1.8 code, and compared to previous experimental data. 160,161,162,163,164Dy(3He, α), (3He, 3He'), E*<8 MeV; analyzed previous experimental data; deduced level densities.

doi: 10.1103/PhysRevC.98.054310
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2017GH09      Phys.Rev. C 96, 044604 (2017); Erratum Phys.Rev. C 99, 059901 (2019)

I.Gheorghe, H.Utsunomiya, S.Katayama, D.Filipescu, S.Belyshev, K.Stopani, V.Orlin, V.Varlamov, T.Shima, S.Amano, S.Miyamoto, Y.-W.Lui, T.Kawano, S.Goriely

Photoneutron cross-section measurements in the 209Bi (γ, xn) reaction with a new method of direct neutron-multiplicity sorting

NUCLEAR REACTIONS 209Bi(γ, n), (γ, np), (γ, 2n), (γ, 2np), (γ, 3n), (γ, 3np), (γ, 4n), (γ, 4np), E=threshold-40 MeV; measured E(n), I(n), photoneutron σ(E) using quasimonochromatic laser Compton-scattering (LCS) γ-ray beams at the NewSUBARU synchrotron radiation facility at the University of Hyogo, and novel technique of direct neutron-multiplicity sorting method. Comparison with previous experimental data from Livermore and Saclay, and with bremsstrahlung data, and with theoretical calculations using the TALYS reaction code. Comparison with Hartree-Fock Bogoliubov plus quasiparticle random phase approximation (HFB+QRPA) with Gogny D1M interaction for both E1 and M1 components of the GDR. Discussed threshold behavior of photoneutron emission in terms of average neutron kinetic energy.

doi: 10.1103/PhysRevC.96.044604
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2017ST07      Acta Phys.Pol. B48, 615 (2017)

E.Strano, D.Torresi, M.Mazzocco, N.Keeley, A.Boiano, C.Boiano, P.Di Meo, A.Guglielmetti, M.La Commara, P.Molini, C.Manea, C.Parascandolo, D.Pierroutsakou, C.Signorini, F.Soramel, D.Filipescu, A.Gheorghe, T.Glodariu, J.Grebosz, S.Jeong, Y.H.Kim, J.A.Lay, H.Miyatake, M.Nicoletto, A.Pakou, K.Rusek, O.Sgouros, V.Soukeras, L.Stroe, N.Toniolo, A.Vitturi, Y.Watanabe, K.Zerva

Discrimination of Processes and Optical Model Analysis in the 17O+52Ni Collision Around the Coulomb Barrier

NUCLEAR REACTIONS 58Ni(17O, 17O), E=40-50 MeV; measured reaction products; deduced σ(θ); calculated σ(θ) using self-normalization formula and using optical model; deduced imaginary radius parameter, optical model parameters. Compared with 58Ni(16O, 16O) and 58Ni(17F, 17F).

doi: 10.5506/APhysPolB.48.615
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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
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2016LU02      Acta Phys.Pol. B47, 763 (2016)

W.Luo, M.Bobeica, D.Filipescu, I.Gheorghe, D.Niculae, D.L.Balabanski

Production of Radioisotopes of Medical Interest by Photonuclear Reaction Using ELI-NP γ-ray Beam

doi: 10.5506/APhysPolB.47.763
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2016RE13      Phys.Rev. C 93, 064302 (2016)

T.Renstrom, H.-T.Nyhus, H.Utsunomiya, R.Schwengner, S.Goriely, A.C.Larsen, D.M.Filipescu, I.Gheorghe, L.A.Bernstein, D.L.Bleuel, T.Glodariu, A.Gorgen, M.Guttormsen, T.W.Hagen, B.V.Kheswa, Y.-W.Lui, D.Negi, I.E.Ruud, T.Shima, S.Siem, K.Takahisa, O.Tesileanu, T.G.Tornyi, G.M.Tveten, M.Wiedeking

Low-energy enhancement in the γ-ray strength functions of 73, 74Ge

NUCLEAR REACTIONS 74Ge(3He, 3He), (3He, α), E=38 MeV; measured Eγ, Iγ, (particle)γ-coin using SiRi particle detector array and CACTUS array for γ detection at Oslo Cyclotron Laboratory (OCL) facility. 74Ge(γ, n), E=10.4-12.7 MeV; measured E(n), I(n), σ(E) using 4π neutron detection array at NewSUBARU synchrotron radiation facility. 73,74Ge, deduced γ-strength functions (γSF), nuclear level densities (NLD). Comparison with shell-model calculations. 72,73Ge(n, γ), E=0.001-3 MeV; deduced experimentally constrained σ(E), and compared with TALYS calculations for E1 and M1 radiations.

doi: 10.1103/PhysRevC.93.064302
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2016RO02      Phys.Rev. C 93, 014309 (2016)

O.J.Roberts, C.R.Nita, A.M.Bruce, N.Marginean, D.Bucurescu, D.Deleanu, D.Filipescu, N.M.Florea, I.Gheorghe, D.Ghita, T.Glodariu, R.Lica, R.Marginean, C.Mihai, A.Negret, T.Sava, L.Stroe, R.Suvaila, S.Toma, T.Alharbi, T.Alexander, S.Aydin, B.A.Brown, F.Browne, R.J.Carroll, K.Mulholland, Zs.Podolyak, P.H.Regan, J.F.Smith, M.Smolen, C.M.Townsley

E3 and M2 transition strengths in 20983Bi

NUCLEAR REACTIONS 208Pb(7Li, 2nα), E=32 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by γγ(t) fast timing technique, γ(θ) using RoSPHERE array at NIPNE, Bucharest accelerator facility. 209Bi; deduced levels, J, π, multipolarity, E3/M2 mixing ratio, B(M2), B(E3). Comparison of transition rates with theoretical calculations using shell model and theory of finite Fermi systems (FFS).

doi: 10.1103/PhysRevC.93.014309
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2016ST18      Phys.Rev. C 94, 024622 (2016)

E.Strano, D.Torresi, M.Mazzocco, N.Keeley, A.Boiano, C.Boiano, P.Di Meo, A.Guglielmetti, M.la Commara, P.Molini, C.Manea, C.Parascandolo, D.Pierroutsakou, C.Signorini, F.Soramel, D.Filipescu, A.Gheorghe, T.Glodariu, J.Grebosz, S.Jeong, Y.H.Kim, J.A.Lay, H.Miyatake, M.Nicoletto, A.Pakou, K.Rusek, O.Sgouros, V.Soukeras, L.Stroe, N.Toniolo, A.Vitturi, Y.Watanabe, K.Zerva

17O + 58Ni scattering and reaction dynamics around the Coulomb barrier

NUCLEAR REACTIONS 58Ni(17O, 17O), (17O, X), E=40.0, 42.5, 45.0, 47.5, 50.0 MeV; measured reaction products, σ(θ) for elastic scattering, angular distributions for 1n-stripping process leading to states in 59Ni, angular distributions for target excitation to its first excited 2+ state, total σ(E). Optical model analysis using Woods-Saxon (WS) potentials and code FRESCO for elastic scattering data.

doi: 10.1103/PhysRevC.94.024622
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2015AL06      Phys.Rev. C 91, 027302 (2015)

T.Alharbi, P.H.Regan, N.Marginean, Zs.Podolyak, O.J.Roberts, A.M.Bruce, N.Alkhomashi, R.Britton, D.Bucurescu, D.Deleanu, D.Filipescu, D.Ghita, T.Glodariu, C.Mihai, K.Mulholland, R.Lica, R.Marginean, M.Nakhostin, A.Negret, C.R.Nita, L.Stroe, T.Sava, C.Townsley, N.V.Zamfir

Lifetime of the yrast Iπ = 5 - state and E1 hindrance in the transitional nucleus 13658Ce

NUCLEAR REACTIONS 124Sn(16O, 4n), E=68 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by γγ(t) using ROSPHERE array at Tandem accelerator of NIPNE-Bucharest. 136Ce; deduced high-spin levels, J, π, B(E1). Systematics of B(E1) for 5- to 4+ states in 132,134,136Ba and 136,138Ce.

doi: 10.1103/PhysRevC.91.027302
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2015BE02      Phys.Lett. B 741, 128 (2015)

J.Beller, C.Stumpf, M.Scheck, N.Pietralla, D.Deleanu, D.M.Filipescu, T.Glodariu, W.Haxton, A.Idini, J.H.Kelley, E.Kwan, G.Martinez-Pinedo, R.Raut, C.Romig, R.Roth, G.Rusev, D.Savran, A.P.Tonchev, W.Tornow, J.Wagner, H.R.Weller, N.-V.Zamfir, M.Zweidinger

Separation of the 1+/1- parity doublet in 20Ne

NUCLEAR REACTIONS 20Ne, 28Si(polarized γ, γ'), E=11.26 MeV; measured reaction products, Eγ, Iγ; deduced the energy difference of the parity doublet, the ratio of their integrated σ. Comparison with shell model calculations.

doi: 10.1016/j.physletb.2014.12.018
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2015BE21      Eur.Phys.J. A 51, 67 (2015)

S.S.Belyshev, D.M.Filipescu, I.Gheorghe, B.S.Ishkhanov, V.V.Khankin, A.S.Kurilik, A.A.Kuznetsov, V.N.Orlin, N.N.Peskov, K.A.Stopani, O.Tesileanu, V.V.Varlamov

Multinucleon photonuclear reactions on 209Bi: Experiment and evaluation

NUCLEAR REACTIONS 209Bi(γ, xn), (γ, xnp), E=55.6 MeV; measured bremsstrahlung-induced reaction activation Eγ, Iγ; deduced yields, integral σ; calculated σ, individual components of photoreaction σ, yields using TALYS and CMNR codes. Compared with σ(γ, Sn), σ(γ, n) and σ(γ, 2n) from literature.

doi: 10.1140/epja/i2015-15067-2
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2015FI10      Eur.Phys.J. A 51, 185 (2015)

D.Filipescu, A.Anzalone, D.L.Balabanski, S.S.Belyshev, F.Camera, M.La Cognata, P.Constantin, L.Csige, P.V.Cuong, M.Cwiok, V.Derya, W.Dominik, M.Gai, S.Gales, I.Gheorghe, B.S.Ishkhanov, A.Krasznahorkay, A.A.Kuznetsov, C.Mazzocchi, V.N.Orlin, N.Pietralla, M.Sin, C.Spitaleri, K.A.Stopani, O.Tesileanu, C.A.Ur, I.Ursu, H.Utsunomiya, V.V.Varlamov, H.R.Weller, N.V.Zamfir, A.Zilges

Perspectives for photonuclear research at the Extreme Light Infrastructure - Nuclear Physics (ELI-NP) facility

doi: 10.1140/epja/i2015-15185-9
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2015NY01      Phys.Rev. C 91, 015808 (2015)

H.-T.Nyhus, T.Renstrom, H.Utsunomiya, S.Goriely, D.M.Filipescu, I.Gheorghe, O.Tesileanu, T.Glodariu, T.Shima, K.Takahisa, S.Miyamoto, Y.-W.Lui, S.Hilaire, S.Peru, M.Martini, L.Siess, A.J.Koning

Photoneutron cross sections for neodymium isotopes: Toward a unified understanding of (γ, n) and (n, γ) reactions in the rare earth region

NUCLEAR REACTIONS 143,144,145,146,148Nd(γ, n), E=7.55-13.00 MeV laser Compton scattered (LCS) rays; measured neutron spectra, σ(E) at GACKO (Gamma Collaboration Hutch of Konan University) using SUBARU synchrotron radiation facility; deduced σ(E) for 147Nd(n, γ) by combining present (γ, n) data with existing (n, γ) data for 142,143,144,145,146,148Nd(n, γ), and using γ-SF method. Comparison of σ(E) for 147Nd(n, γ) with JENDL-4.0, ENDF/B-VII.1, and ROSFOND-2010 evaluated libraries. Comparison with predictions of Skyrme-Fock-Bogoliubov (HFB) plus quasiparticle random phase approximation (QRPA) model, and axially symmetric-deformed Gogny HFB plus QRPA model of E1 γ-ray strength using TALYS code. Comparison with previous experimental data.

doi: 10.1103/PhysRevC.91.015808
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2015PA14      Phys.Rev. C 91, 034321 (2015)

S.Pascu, D.Bucurescu, Gh.Cata-Danil, V.Derya, M.Elvers, D.Filipescu, D.G.Ghita, T.Glodariu, A.Hennig, C.Mihai, N.Marginean, R.Marginean, A.Negret, L.Netterdon, S.G.Pickstone, T.Sava, M.Spieker, L.Stroe, N.V.Zamfir, A.Zilges

Detailed spectroscopy of quadrupole and octupole states in 168Yb

NUCLEAR REACTIONS 166Er(α, 2n), E=25.5 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by γγ(t) using HORUS array at tandem accelerator facility in Cologne. 168Yb; deduced levels, J, K, π, bands, β, γ and octupole vibrational bands, B(E1), B(E2), branching ratios compared with Alaga rules. Systematics of branching ratios for 2- states of Kπ=2- octupole-vibrational band in A=154-186 Gd, Dy, Er, Yb, Hf W nuclei. Comparison of level structure of 168Yb with IBM-spdf calculations.

NUCLEAR STRUCTURE 168Yb; calculated levels, J, K, π, bands, B(E1) using IBM-spdf. Comparison with experimental data.

doi: 10.1103/PhysRevC.91.034321
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2014AL16      Nucl.Data Sheets 120, 59 (2014)

T.Alharbi, P.H.Regan, N.Marginean, Zs.Podolyak, A.Bajoga, R.Britton, D.Bucurescu, D.Deleanu, D.Filipescu, D.Ghita, T.Glodariu, C.Mihai, K.Mulholland, R.Marginean, A.Negret, C.R.Nita, Z.Patel, O.J.Roberts, L.Stroe, T.Sava, C.Townsley, N.V.Zamfir

Sub-nanosecond Half-life Measurement of the Yrast Iπ = 5- State in the N=78 Nucleus 13658Ce using Fast-timing Coincident Gamma-ray Spectroscopy

NUCLEAR REACTIONS 124Sn(16O, 4n), E=67 MeV; measured reaction products, Eγ, Iγ.; deduced energy levels, J, π, T1/2, E1 decay strength, K-hindrance. Comparison with available data.

doi: 10.1016/j.nds.2014.07.006
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2014BA17      Acta Phys.Pol. B45, 483 (2014)

D.L.Balabanski, G.Cata-Danil, D.Filipescu, S.Gales, O.Tesileanu, C.A.Ur, I.Ursu, N.V.Zamfir

The Extreme Light Infrastructure Nuclear Physics Facility: Towards Experiments with Brilliant γ-Ray Beams

doi: 10.5506/APhysPolB.45.483
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2014BO12      Phys.Rev. C 89, 054302 (2014)

G.Bocchi, S.Leoni, S.Bottoni, G.Benzoni, A.Bracco, P.F.Bortignon, G.Colo, B.Belvito, C.R.Nita, N.Marginean, D.Filipescu, D.Ghita, T.Glodariu, R.Lica, R.Marginean, C.Mihai, A.Negret, T.Sava, L.Stroe, S.Toma, D.Bucurescu, I.Georghe, R.Suvaila, D.Deleanu, C.A.Ur, S.Aydin

Probing particle-phonon-coupled states in the neutron-rich nucleus 65Cu by lifetime measurements with fast-timing techniques

NUCLEAR REACTIONS 64Ni(7Li, 2nα), (7Li, 3n), E=32 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by fast-timing technique. 65Cu, 68Ga; deduced levels, B(E3), configuration. Comparison with particle-vibration (weak) coupling model calculations.

doi: 10.1103/PhysRevC.89.054302
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2014FI17      Phys.Rev. C 90, 064616 (2014)

D.M.Filipescu, I.Gheorghe, H.Utsunomiya, S.Goriely, T.Renstrom, H.-T.Nyhus, O.Tesileanu, T.Glodariu, T.Shima, K.Takahisa, S.Miyamoto, Y.-W.Lui, S.Hilaire, S.Peru, M.Martini, A.J.Koning

Photoneutron cross sections for samarium isotopes: Toward a unified understanding of (γ, n) and (n, γ) reactions in the rare earth region

NUCLEAR REACTIONS 144,147,148,149,150,152,154Sm(γ, n), E=6-17 MeV; measured E(n), I(n), monochromatic and nonmonochromatic σ(E). Comparison with previous experimental results, and predictions from Skyrme HFB+QRPA using BSk7 interaction, and axially deformed Gogny HFB+QRPA models using D1M interaction. 147,148,149,150,151,152Sm(n, γ), E=0.001-1 MeV; analyzed measured σ(E) with a TALYS calculation using D1M+QRPA calculation for the E1 strength function. 153Sm(n, γ), E=0.001-1 MeV; predicted σ(E) from TALYS calculations using γ-strength function (γSF) approach. Comparison with evaluated libraries JENDL-4.0, ENDF/B-VII.1, ROSFOND-2010.

doi: 10.1103/PhysRevC.90.064616
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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
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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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2014NI11      Phys.Rev. C 89, 064314 (2014)

C.R.Nita, D.Bucurescu, N.Marginean, M.Avrigeanu, G.Bocchi, S.Bottoni, A.Bracco, A.M.Bruce, G.Cata-Danil, G.Colo, D.Deleanu, D.Filipescu, D.G.Ghita, T.Glodariu, S.Leoni, C.Mihai, P.J.R.Mason, R.Marginean, A.Negret, D.Pantelica, Z.Podolyak, P.H.Regan, T.Sava, L.Stroe, S.Toma, C.A.Ur, E.Wilson

Fast-timing lifetime measurements of excited states in 67Cu

NUCLEAR REACTIONS 64Ni(α, p), E=18 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by γγ(t) using a fast-timing technique at IFIN-HH tandem accelerator facility. 67Cu; deduced levels, J, π, B(E1), B(M1), B(E2), B(M2), B(E3), Comparison with particle-vibration weak-coupling scheme, and shell-model calculations. Comparison of calculated and experimental spectroscopic factors in proton pickup reaction 68Zn(d, 3He)67Cu and proton stripping reaction 62Ni(α, p)65Cu.

doi: 10.1103/PhysRevC.89.064314
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2013AL03      Phys.Rev. C 87, 014323 (2013)

T.Alharbi, P.H.Regan, P.J.R.Mason, N.Marginean, Zs.Podolyak, A.M.Bruce, E.C.Simpson, A.Algora, N.Alazemi, R.Britton, M.R.Bunce, D.Bucurescu, N.Cooper, D.Deleanu, D.Filipescu, W.Gelletly, D.Ghita, T.Glodariu, G.Ilie, S.Kisyov, J.Lintott, S.Lalkovski, S.Liddick, C.Mihai, K.Mulholland, R.Marginean, A.Negret, M.Nakhostin, C.R.Nita, O.J.Roberts, S.Rice, J.F.Smith, L.Stroe, T.Sava, C.Townsley, E.Wilson, V.Werner, M.Zhekova, N.V.Zamfir

Electromagnetic transition rates in the N=80 nucleus 58138Ce

NUCLEAR REACTIONS 130Te(12C, 4n), E=56 MeV; measured Eγ, Iγ, γγ-coin level half-lives by γγ(t) at NIPNE accelerator facility. 138Ce; deduced high-spin levels, J, π, B(E1), B(E2), B(M1), branching ratio. Comparison with shell model calculations. B(E2) systematics for even-even Ce and Ba isotopes.

doi: 10.1103/PhysRevC.87.014323
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2013AL05      Nucl.Phys. A899, 1 (2013); Erratum Nucl.Phys. A947, 260 (2016)

M.Albers, K.Nomura, N.Warr, A.Blazhev, J.Jolie, D.Mucher, B.Bastin, C.Bauer, C.Bernards, L.Bettermann, V.Bildstein, J.Butterworth, M.Cappellazzo, J.Cederkall, D.Cline, I.Darby, S.Das Gupta, J.M.Daugas, T.Davinson, H.De Witte, J.Diriken, D.Filipescu, E.Fiori, C.Fransen, L.P.Gaffney, G.Georgiev, R.Gernhauser, M.Hackstein, S.Heinze, H.Hess, M.Huyse, D.Jenkins, J.Konki, M.Kowalczyk, T.Kroll, R.Krucken, J.Litzinger, R.Lutter, N.Marginean, C.Mihai, K.Moschner, P.Napiorkowski, B.S.Nara Singh, K.Nowak, J.Pakarinen, M.Pfeiffer, D.Radeck, P.Reiter, S.Rigby, L.M.Robledo, R.Rodriguez-Guzman, M.Rudigier, M.Scheck, M.Seidlitz, B.Siebeck, G.S.Simpson, P.Thole, T.Thomas, J.Van de Walle, P.Van Duppen, M.Vermeulen, D.Voulot, R.Wadsworth, F.Wenander, K.Wimmer, K.O.Zell, M.Zielinska

Shape dynamics in neutron-rich Kr isotopes: Coulomb excitation of 92Kr, 94Kr and 96Kr

NUCLEAR REACTIONS 194,196Pt(92Kr, 92Kr'), (94Kr, 94Kr'), (96Kr, 96Kr'), E=2.85 MeV/nucleon; measured projectile and target E, I(θ, t) using DSSD, Eγ, Iγ(θ) from Coulomb excitation using HPGe array and considering Doppler correction, (particle)γ-coin; calculated electromagnetic matrix elements, γ-ray yields using CC code GOSIA2, energy vs deformation using IBM-2 with self-consistent constrained HFB with Gogny functional; deduced Coulomb excitation σ, electromagnetic matrix elements using fit to data, B(E2), quadrupole moments, IBM-2 Hamiltonian parameters. 96Kr calculated levels, J, π; deduced shape coexistence.

doi: 10.1016/j.nuclphysa.2013.01.013
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2013CS01      Acta Phys.Pol. B44, 643 (2013)

L.Csige, D.M.Filipescu, J.Gulyas, M.Gunther, D.Habs, H.J.Karwowski, A.Krasznahorkay, G.C.Rich, P.G.Thirolf

Photofission of 238U Induced by a Quasi-monochromatic, Compton Backscattered γ Beam

NUCLEAR REACTIONS 238U(γ, F), E=4.7-6 MeV; measured fission products; deduced σ. Comparison with EMPIRE 3.1 calculations, available data.

doi: 10.5506/APhysPolB.44.643
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2013CS03      Phys.Rev. C 87, 044321 (2013)

L.Csige, D.M.Filipescu, T.Glodariu, J.Gulyas, M.M.Gunther, D.Habs, H.J.Karwowski, A.Krasznahorkay, G.C.Rich, M.Sin, L.Stroe, O.Tesileanu, P.G.Thirolf

Exploring the multihumped fission barrier of 238U via sub-barrier photofission

NUCLEAR REACTIONS 238U(γ, F), E=4.7-6.0 MeV; measured Eγ, Iγ, photofission σ(E) at the HIγS facility. 238U; deduced triple-humped fission barrier parameters using EMPIRE-3.1 computer code calculations. Comparison with previous experimental studies.

doi: 10.1103/PhysRevC.87.044321
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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
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2013MA66      Phys.Rev. C 88, 044301 (2013); see 2013MA74

P.J.R.Mason, Zs.Podolyak, N.Marginean, P.H.Regan, P.D.Stevenson, V.Werner, T.Alexander, A.Algora, T.Alharbi, M.Bowry, R.Britton, A.M.Bruce, D.Bucurescu, M.Bunce, G.Cata-Danil, I.Cata-Danil, N.Cooper, D.Deleanu, D.Delion, D.Filipescu, W.Gelletly, D.Ghita, I.Gheorghe, T.Glodariu, G.Ilie, D.Ivanova, S.Kisyov, S.Lalkovski, R.Lica, S.N.Liddick, R.Marginean, C.Mihai, K.Mulholland, C.R.Nita, A.Negret, S.Pascu, S.Rice, O.J.Roberts, T.Sava, J.F.Smith, P.-A.Soderstrom, L.Stroe, G.Suliman, R.Suvaila, S.Toma, C.Townsley, E.Wilson, R.T.Wood, M.Zhekova, C.Zhou

Half-life of the yrast 2+ state in 188W: Evolution of deformation and collectivity in neutron-rich tungsten isotopes

NUCLEAR REACTIONS 186W(7Li, pα), E=35 MeV; measured Eγ, γγ-coin, T1/2 of first 2+ state by γγ(t) at IFIN-HH, Bucharest facility. 188W; deduced level, B(E2) for first 2+ state, enhanced γ softness in 188W. Systematics of energies of low-lying 0+, 2+ and 4+ states and B(E2) values for first 2+ states in even-even Hf, W, Os and Pt nuclei with N=102-120.

NUCLEAR STRUCTURE 184,186,188,190,192,194W; calculated Woods-Saxon potential energy surface (PES) contours in (β, γ) plane; deduced prolate to oblate shape transition.

doi: 10.1103/PhysRevC.88.044301
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2013MA74      Phys.Rev. C 88, 044301 (2013); see 2013MA66

P.J.R.Mason, Zs.Podolyak, N.Marginean, P.H.Regan, P.D.Stevenson, V.Werner, T.Alexander, A.Algora, T.Alharbi, M.Bowry, R.Britton, A.M.Bruce, D.Bucurescu, M.Bunce, G.Cata-Danil, I.Cata-Danil, N.Cooper, D.Deleanu, D.Delion, D.Filipescu, W.Gelletly, D.Ghita, I.Gheorghe, T.Glodariu, G.Ilie, D.Ivanova, S.Kisyov, S.Lalkovski, R.Lica, S.N.Liddick, R.Marginean, C.Mihai, K.Mulholland, C.R.Nita, A.Negret, S.Pascu, S.Rice, O.J.Roberts, T.Sava, J.F.Smith, P.-A.Soderstrom, L.Stroe, G.Suliman, R.Suvaila, S.Toma, C.Townsley, E.Wilson, R.T.Wood, M.Zhekova, C.Zhou

Half-life of the yrast 2+ state in 188W: Evolution of deformation and collectivity in neutron-rich tungsten isotopes

doi: 10.1103/PhysRevC.88.044301
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2013NE14      Phys.Rev. C 88, 034604 (2013)

A.Negret, C.Borcea, D.Bucurescu, D.Deleanu, Ph.Dessagne, D.Filipescu, D.Ghita, T.Glodariu, M.Kerveno, N.Marginean, R.Marginean, C.Mihai, S.Pascu, A.J.M.Plompen, T.Sava, L.Stroe

Cross sections for inelastic scattering of neutrons on 28Si and comparison with the 25Mg(α, n)28Si reaction

NUCLEAR REACTIONS 28Si(n, n'), E=0.7-18 MeV; 25Mg(α, n), E=5.6-15 MeV; measured Eγ, Iγ, γ-production σ(E) using TOF and γ spectroscopy at GELINA neutron source at IRMM, Geel, and at IFIN-HH facility in Bucharest. Comparison of measured σ(E) with JEFF 3.1.1 evaluated library, and theoretical predictions using TALYS 1.4 code.

doi: 10.1103/PhysRevC.88.034604
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2013PA03      Phys.Rev. C 87, 014619 (2013); Erratum Phys.Rev. C 87, 049901 (2013)

A.Pakou, E.Stiliaris, D.Pierroutsakou, N.Alamanos, A.Boiano, C.Boiano, D.Filipescu, T.Glodariu, J.Grebosz, A.Guglielmetti, M.La Commara, M.Mazzocco, C.Parascandolo, K.Rusek, A.M.Sanchez-Benitez, C.Signorini, O.Sgouros, F.Soramel, V.Soukeras, E.Strano, L.Stroe, N.Toniolo, D.Torresi, K.Zerva

Fusion cross sections of 8B+28Si at near-barrier energies

NUCLEAR REACTIONS 28Si(8B, X), [8B secondary beam from 3He(6Li, 8B), E=42.6, 49.4 MeV primary reaction], E=25 MeV; measured α, 3He, 6Li, 8B spectra, time of flight, alpha production σ(E), fusion σ(E) at Legnaro facility by active target technique; deduced complete to total fusion functions by CASCADE analysis. Comparison with previous experimental results from various weakly bound neutron-rich light projectiles. Fusion cross sections compared with coupled-channel calculations.

doi: 10.1103/PhysRevC.87.014619
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2013RO07      Acta Phys.Pol. B44, 403 (2013)

O.J.Roberts, A.M.Bruce, F.Browne, N.Marginean, T.Alexander, T.Alharbi, D.Bucurescu, D.Deleanu, D.Delion, D.Filipescu, L.Fraile, I.Gheorghe, D.Ghita, T.Glodariu, D.Ivanova, S.Kisyov, R.Marginean, P.J.R.Mason, C.Mihai, K.Mulholland, A.Negret, C.Nita, B.Olaizola, S.Pascu, P.-A.Soderstrom, P.H.Regan, T.Sava, L.Stroe, S.Toma, C.Townsley

Half-life Measurements of Excited States in 132Te, 134Xe

NUCLEAR REACTIONS 130Te(7Li, X)132Te/134Xe, E=31.5 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced energy levels, J, π, B(E2). Comparison with systematics.

doi: 10.5506/APhysPolB.44.403
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2012AL03      Phys.Rev.Lett. 108, 062701 (2012); Erratum Phys.Rev.Lett. 109, 209904 (2012)

M.Albers, N.Warr, K.Nomura, A.Blazhev, J.Jolie, D.Mucher, B.Bastin, C.Bauer, C.Bernards, L.Bettermann, V.Bildstein, J.Butterworth, M.Cappellazzo, J.Cederkall, D.Cline, I.Darby, S.Das Gupta, J.M.Daugas, T.Davinson, H.De Witte, J.Diriken, D.Filipescu, E.Fiori, C.Fransen, L.P.Gaffney, G.Georgiev, R.Gernhauser, M.Hackstein, S.Heinze, H.Hess, M.Huyse, D.Jenkins, J.Konki, M.Kowalczyk, T.Kroll, R.Krucken, J.Litzinger, R.Lutter, N.Marginean, C.Mihai, K.Moschner, P.Napiorkowski, B.S.Nara Singh, K.Nowak, T.Otsuka, J.Pakarinen, M.Pfeiffer, D.Radeck, P.Reiter, S.Rigby, L.M.Robledo, R.Rodriguez-Guzman, M.Rudigier, P.Sarriguren, M.Scheck, M.Seidlitz, B.Siebeck, G.Simpson, P.Thole, T.Thomas, J.Van de Walle, P.Van Duppen, M.Vermeulen, D.Voulot, R.Wadsworth, F.Wenander, K.Wimmer, K.O.Zell, M.Zielinska

Evidence for a Smooth Onset of Deformation in the Neutron-Rich Kr Isotopes

NUCLEAR REACTIONS 194,196Pt(94Kr, 94Kr'), (96Kr, 96Kr'), 285 MeV/nucleon; measured reaction products, Eγ, Iγ. 94,96Kr; deduced J, π, B(E2), spectroscopic quadrupole moments. Comparison with IBM calculations based on the constrained HFB approach using the microscopic Gogny-D1M energy density functional.

doi: 10.1103/PhysRevLett.108.062701
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2012AL25      J.Phys.:Conf.Ser. 381, 012057 (2012)

T.Alharbi, P.J.R.Mason, P.H.Regan, N.Marginean, Zs.Podolyak, A.Algora, N.Alazemi, A.M.Bruce, R.Britton, M.R.Bunce, D.Bucurescu, N.Cooper, D.Deleanu, D.Filipescu, W.Gelletly, D.Ghita, T.Glodariu, G.Ilie, S.Kisyov, J.Lintott, S.Lalkovski, S.Liddick, C.Mihai, K.Mulholland, R.Maginean, A.Negret, M.Nakhostin, O.J.Roberts, S.Rice, J.F.Smith, L.Stroe, T.Sava, C.Townsley, E.Wilson, V.Werner, M.Zhekova, N.V.Zamfir

Electromagnetic Transition Rate Measurements in the N=80 Isotone, 138Ce

NUCLEAR REACTIONS 130Te(12C, 4n)138Ce, E=56 MeV; measured Eγ, Iγ(t), γγ-coin using hyperpure HPGe and LaBr3(Ce); deduced levels, J, π, γ transitions, B(E1), B(E2), B(M1), branching ratios, T1/2 using centroid-shift method and fitting exponential decay.

doi: 10.1088/1742-6596/381/1/012057
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2012BE39      J.Phys.:Conf.Ser. 366, 012003 (2012)

J.Beller, J.Wagner, M.Ahmed, D.Deleanu, D.M.Filipescu, T.Glodariu, J.Isaak, J.H.Kelley, E.Kwan, N.Pietralla, R.Raut, C.Romig, G.Rusev, M.Scheck, S.C.Stave, A.Tonchev, W.Tornow, H.R.Weller, N.-V.Zamfir, M.Zweidinger

Energy separation of the 1+/1- parity doublet in 20Ne

NUCLEAR REACTIONS 28Si, 20Ne(polarized γ, γ'), E=11.26 MeV; measured reaction products, Eγ, Iγ. 20Ne; deduced integrated σ, energy separation, J, π of parity doublet states, effective nuclear enhancement factor.

doi: 10.1088/1742-6596/366/1/012003
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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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2012KI25      J.Phys.:Conf.Ser. 366, 012027 (2012)

S.Kisyov, S.Lalkovski, N.Marginean, D.Bucurescu, L.Atanasova, D.Balabanski, G.Cata-Danil, I.Cata-Danil, D.Deleanu, P.Detistov, D.Filipescu, D.Ghita, T.Glodariu, R.Marginean, C.Mihai, A.Negret, S.Pascu, T.Sava, L.Stroe, G.Suliman, N.V.Zamfir, M.Zhekova

Fast-timing measurements in 95, 96Mo

NUCLEAR REACTIONS 82Se(18O, 4n), (18O, 5n), E=62 MeV; measured Eγ, Iγ, γγ-coin using eight LaBr3(Ce) and eight HPGe; deduced γ transitions, levels, J, π, T1/2 of selected states including high spin, time spectra for selected levels, B(E2) for five first yrast states; calculated B(E2) using harmonic vibrator model.

doi: 10.1088/1742-6596/366/1/012027
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2012KU07      Eur.Phys.J. A 48, 1 (2012)

C.Kuppersbusch, S.Pascu, P.von Brentano, D.Bucurescu, Gh.Cata-Danil, D.Deleanu, J.Endres, M.Elvers, D.Filipescu, C.Friessner, D.G.Ghita, T.Glodariu, C.Mihai, N.M.Marginean, R.Marginean, A.Negret, T.Sava, L.Stroe, V.Werner, N.V.Zamfir, K.-O.Zell, A.Zilges

Low-spin excitations in 146Sm

NUCLEAR REACTIONS 143Nd(α, n), E=19 MeV;144Nd(α, 2n), E=23 MeV; measured Eγ, Iγ(θ), γγ-coin using HPGe; calculated levels, J, π, B(E1), B(E2) using IBA-spdf OCTUPOLE code, structure of quadrupole-multipole multiplet using harmonic vibrational model; deduced levels, J, π, γ transitions, B(E1), B(E2), quadrupole moment. Compared with neighbouring nuclei.

doi: 10.1140/epja/i2012-12001-2
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2012MA21      Phys.Rev. C 85, 064303 (2012)

P.J.R.Mason, T.Alharbi, P.H.Regan, N.Marginean, Zs.Podolyak, E.C.Simpson, N.Alkhomashi, P.C.Bender, M.Bowry, M.Bostan, D.Bucurescu, A.M.Bruce, G.Cata-Danil, I.Cata-Danil, R.Chakrabarti, D.Deleanu, P.Detistov, M.N.Erduran, D.Filipescu, U.Garg, T.Glodariu, D.Ghita, S.S.Ghugre, A.Kusoglu, R.Marginean, C.Mihai, M.Nakhostin, A.Negret, S.Pascu, C.Rodriguez Triguero, T.Sava, A.K.Sinha, L.Stroe, G.Suliman, N.V.Zamfir

Half-life of the Iπ = 4- intruder state in 34P: M2 transition strengths approaching the island of inversion

NUCLEAR REACTIONS 18O(18O, pn), E=36 MeV; measured Eγ, Iγ, γγ-coin, level half-life by γγ(t). 34P; deduced levels, J, π, B(M2), B(E3). Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.85.064303
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2012MA65      J.Phys.:Conf.Ser. 381, 012063 (2012)

P.J.R.Mason, T.Alharbi, P.H.Regan, N.Marginean, Zs.Podolyak, N.Alkhomashi, P.C.Bender, M.Bowry, M.Bostan, D.Bucurescu, A.M.Bruce, G.Cata-Danil, I.Cata-Danil, R.Chakrabarti, D.Deleanu, P.Detistov, M.N.Erduran, D.Filipescu, U.Garg, T.Glodariu, D.Ghita, S.S.Ghugre, A.Kusoglu, R.Marginean, C.Mihai, M.Nakhostin, A.Negret, S.Pascu, C.Rodriguez Triguero, T.Sava, E.C.Simpson, A.K.Sinha, L.Stroe, G.Suliman, N.V.Zamfir

Half-life of the Iπ = 4- Intruder State in 34P Using LaBr3:Ce Fast Timing

NUCLEAR REACTIONS 18O(18O, np), E=36 MeV; measured Eγ, Iγ, γγ-coin using fast timing with LaBr3:Ce scintillators. 34P deduced 4- intruder state T1/2, B(M2).

doi: 10.1088/1742-6596/381/1/012063
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2012PA02      Phys.Rev. C 85, 024609 (2012)

N.Patronis, A.Pakou, D.Pierroutsakou, A.M.Sanchez-Benitez, L.Acosta, N.Alamanos, A.Boiano, G.Inglima, D.Filipescu, T.Glodariu, A.Guglielmetti, M.La Commara, G.Lalazissis, I.Martel, C.Mazzocchi, M.Mazzocco, P.Molini, C.Parascandolo, M.Sandoli, C.Signorini, R.Silvestri, F.Soramel, E.Stiliaris, M.Romoli, A.Trzcinska, K.Zerva, E.Vardaci, A.Vitturi

Probing the 17F+p potential by elastic scattering at near-barrier energies

NUCLEAR REACTIONS 1H(17F, p), E=3.5, 4.3 MeV/nucleon; measured particle spectra, elastic scattering, full angular distribution in c.m. system; deduced total reaction cross section. Comparison with optical model, macroscopic and microscopic analyses. Possible halo structure of the proton-rich nucleus.

doi: 10.1103/PhysRevC.85.024609
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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
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2011KI17      Phys.Rev. C 84, 014324 (2011)

S.Kisyov, S.Lalkovski, N.Marginean, D.Bucurescu, L.Atanasova, D.L.Balabanski, Gh.Cata-Danil, I.Cata-Danil, J.-M.Daugas, D.Deleanu, P.Detistov, D.Filipescu, G.Georgiev, D.Ghita, T.Glodariu, J.Jolie, D.S.Judson, R.Lozeva, R.Marginean, C.Mihai, A.Negret, S.Pascu, D.Radulov, J.-M.Regis, M.Rudigier, T.Sava, L.Stroe, G.Suliman, N.V.Zamfir, K.O.Zell, M.Zhekova

In-beam fast-timing measurements in 103, 105, 107Cd

NUCLEAR REACTIONS 94,96,98Mo(12C, 3n), E=50 MeV; measured Eγ, Iγ, γγ-coin, γγ(t), half-lives. 103,105,107Cd; deduced levels, J, π, B(M1), B(E2). Comparison with systematics of B(M1) and B(E2) values for A=102-112 Cd, and for Z=40-50, N=54-74 nuclei.

doi: 10.1103/PhysRevC.84.014324
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2011MA86      J.Phys.:Conf.Ser. 312, 082032 (2011)

M.Mazzocco, C.Signorini, D.Pierroutsakou, T.Glodariu, A.Boiano, C.Boiano, F.Farinon, P.Figuera, D.Filipescu, L.Fortunato, A.Guglielmetti, G.Inglima, M.La Commara, M.Lattuada, P.Lotti, C.Mazzocchi, P.Molini, A.Musumarra, A.Pakou, C.Parascandolo, N.Patronis, M.Romoli, M.Sandoli, V.Scuderi, F.Soramel, L.Stroe, D.Torresi, E.Vardaci, A.Vitturi

Strong reaction channels for the system 17F + 58Ni at Coulomb barrier energies

NUCLEAR REACTIONS 58Ni(17F, X), (17F, 17F'), E=54.1, 58.5 MeV; measured E(charged particles), I(charged particles, θ); deduced quasi-elastic σ(θ), charged reaction energy spectra at θ=34, 41, 76, 870; calculated quasi-elastic σ(θ), breakup σ(θ) using optical model.

doi: 10.1088/1742-6596/312/4/082032
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2011MI02      Acta Phys.Pol. B42, 825 (2011)

C.Michelagnoli, C.A.Ur, E.Farnea, S.Lenzi, S.Lunardi, F.Recchia, N.Marginean, D.Bucurescu, G.Cata-Danil, D.Deleanu, D.Filipescu, D.Ghita, T.Glodariu, R.Marginean, C.Mihai, A.Negret, S.Pascu, T.Sava, L.Stroe, G.Suliman

Lifetime Measurement in the N=Z Nucleus 44Ti

NUCLEAR REACTIONS 40Ca(6Li, np)44Ti, E=21 MeV; measured reaction products, Eγ, Iγ; deduced lifetime, B(E3).

doi: 10.5506/APhysPolB.42.825
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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
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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.


2010MA45      Nucl.Phys. A834, 488c (2010)

M.Mazzocco, A.Boiano, C.Boiano, A.Di Pietro, F.Farinon, P.Figuera, D.Filipescu, L.Fortunato, T.Glodariu, A.Guglielmetti, G.Inglima, M.La Commara, M.Lattuada, C.Mazzocchi, P.Molini, A.Musumarra, A.Pakou, C.Parascandolo, N.Patronis, D.Pierroutsakou, M.Romoli, M.Sandoli, V.Scuderi, C.Signorini, F.Soramel, L.Stroe, D.Torresi, E.Vardaci, A.Vitturi

Scattering of 17F nuclei from a 58Ni target at energies around the Coulomb barrier

NUCLEAR REACTIONS 58Ni(17F, 17F), (17F, 17F'), (17F, p16O), E=54.1, 58.5 MeV; measured σ(θ) using EXODET array; analyzed "reduced" σ. Calculations using coupled-channels code FRESCO. Comparisons with 58Ni(16O, 16O) and 64Zn(16O, 16O). Secondary radioactive beams.

doi: 10.1016/j.nuclphysa.2010.01.073
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2010MA62      Phys.Rev. C 82, 054604 (2010)

M.Mazzocco, C.Signorini, D.Pierroutsakou, T.Glodariu, A.Boiano, C.Boiano, F.Farinon, P.Figuera, D.Filipescu, L.Fortunato, A.Guglielmetti, G.Inglima, M.La Commara, M.Lattuada, P.Lotti, C.Mazzocchi, P.Molini, A.Musumarra, A.Pakou, C.Parascandolo, N.Patronis, M.Romoli, M.Sandoli, V.Scuderi, F.Soramel, L.Stroe, D.Torresi, E.Vardaci, A.Vitturi

Reaction dynamics for the system 17F+58Ni at near-barrier energies

NUCLEAR REACTIONS 58Ni(17F, X), [17F secondary beam from 1H(17O, 17F), E=100 MeV primary reaction], E=54.1, 58.5 MeV; measured charged-particle spectra, quasi-elastic differential σ(θ). Monte-Carlo simulations. Analysis within the framework of the optical model using FRESCO code to deduce the reaction cross section and to investigate the role played by inelastic excitations to excited states in 17F and 58Ni, proton-stripping channel to levels in 59Cu, and the breakup process of 17F to 16O+p.

doi: 10.1103/PhysRevC.82.054604
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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
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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
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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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2010ZE05      Phys.Rev. C 82, 044607 (2010)

K.Zerva, A.Pakou, K.Rusek, N.Patronis, N.Alamanos, X.Aslanoglou, D.Filipescu, T.Glodariu, N.Keeley, M.Kokkoris, M.La Commara, A.Lagoyannis, M.Mazzocco, N.G.Nicolis, D.Pierroutsakou, M.Romoli

Probing the potential and reaction coupling effects of 6, 7Li+28Si at sub- and near-barrier energies with elastic backscattering

NUCLEAR REACTIONS 28Si(7Li, 7Li), E=5-12 MeV; measured quasielastic σ(E, θ); deduced barrier distributions for elastic and quasielastic channels using optical model and double-folded potentials. Comparison with previous data for 28Si(6Li, 6Li), E=5-35 MeV. Continuum-discretized coupled-channel (CDCC) and coupled reaction channel (CRC) calculations for effect of breakup and transfer reactions.

doi: 10.1103/PhysRevC.82.044607
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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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2009ZE01      Phys.Rev. C 80, 017601 (2009)

K.Zerva, N.Patronis, A.Pakou, N.Alamanos, X.Aslanoglou, D.Filipescu, T.Glodariu, M.Kokkoris, M.La Commara, A.Lagoyannis, M.Mazzocco, N.G.Nicolis, D.Pierroutsakou, M.Romoli, K.Rusek

Elastic backscattering measurements for 6Li+28Si at sub- and near-barrier energies

NUCLEAR REACTIONS 28Si(6Li, 6Li), E=5-11 MeV; measured excitation functions, σ, and barrier distributions. Comparison with coupled channel calculations.

doi: 10.1103/PhysRevC.80.017601
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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
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2008TU04      Ann.Nucl.Energy 35, 1131 (2008)

A.Tudora, G.Vladuca, F.-J.Hambsch, D.Filipescu, S.Oberstedt

Prompt fission neutron multiplicity and spectrum calculations for thermal and fast neutron induced reactions on 233, 231Pa nuclei

NUCLEAR REACTIONS 231,232,233Pa(n, F), E=thermal-50 MeV; calculated fission σ ratios, total kinetic energies, total excitation energies, prompt neutron energies, average prompt γ-ray energies, prompt neutron multiplicity and total fragment-fragment multiplicity for fragment pairs with A=70-160 using Point-by-Point model. Comparison with experimental data.

doi: 10.1016/j.anucene.2007.10.002
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2006VL01      Nucl.Phys. A767, 112 (2006)

G.Vladuca, A.Tudora, B.Morillon, D.Filipescu

Inner barrier shape symmetries in 237Np neutron data evaluation up to 40 MeV incident energy

NUCLEAR REACTIONS 237Np(n, F), E=0.01-40 MeV; analysed fission σ, neutron spectra and multiplicity, average Eγ. 237Np(n, X), (n, γ), (n, xn), E=0.01-40 MeV; analysed σ. Statistical model calculations.

doi: 10.1016/j.nuclphysa.2005.12.017
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2004VL01      Phys.Rev. C 69, 021604 (2004)

G.Vladuca, F.-J.Hambsch, A.Tudora, S.Oberstedt, F.Tovesson, A.Oberstedt, D.Filipescu

Calculation of the neutron-induced fission cross section of 233Pa

NUCLEAR REACTIONS 233Pa(n, X), (n, n), (n, n'), (n, F), E=0.01-6 MeV; calculated total, elastic, inelastic, and fission σ. Comparison with previous results.

doi: 10.1103/PhysRevC.69.021604
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2004VL02      Nucl.Phys. A740, 3 (2004)

G.Vladuca, F.-J.Hambsch, A.Tudora, S.Oberstedt, A.Oberstedt, F.Tovesson, D.Filipescu

Calculation of the neutron induced fission cross-section of 233Pa up to 20 MeV

NUCLEAR REACTIONS 233Pa(n, F), (n, X), E=0.01-20 MeV; 231,232Pa(n, F), (n, X), E=0.01-6 MeV; analyzed fission and total reaction σ; deduced fission barrier parameters, transmission coefficients. 233Pa(n, n), (n, n'), (n, γ), (n, 2n), (n, 3n), E < 20 MeV; calculated σ. Comparison with previous results.

doi: 10.1016/j.nuclphysa.2004.04.113
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