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NSR database version of May 24, 2024.

Search: Author = A.Ionescu

Found 13 matches.

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2024KU10      Nuovo Cim. C 47, 47 (2024)

A.Kusoglu, P.Constantin, P.-A.Soderstrom, D.L.Balabanski, M.Cuciuc, S.Aogaki, R.S.Ban, R.Borcea, R.Corbu, C.Costache, A.Covali, I.Dinescu, N.M.Florea, V.Iancu, A.Ionescu, N.M.Marginean, C.Mihai, R.E.Mihai, C.Nedelcu, A.Coman, H.Pai, A.Pappalardo, O.Sirbu, L.Stan, C.Sotty, D.A.Testov, T.Tozar, A.Turturica, G.Turturica, S.Ujeniuc, C.A.Ur, V.Vasilca, F.Zhu

Ground-breaking developments in 10B with inelastic proton scattering

NUCLEAR REACTIONS 10B(p, p'), E=8.5 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and relative intensities, branching ratios. Comparison with available data. The 9 MV Tandem accelerator facility at IFIN-HH.

doi: 10.1393/ncc/i2024-24047-6
Citations: PlumX Metrics


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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Data from this article have been entered in the XUNDL database. For more information, click here.


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.


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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Data from this article have been entered in the XUNDL database. For more information, click here.


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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Data from this article have been entered in the XUNDL database. For more information, click here.


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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Data from this article have been entered in the XUNDL database. For more information, click here.


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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Data from this article have been entered in the XUNDL database. For more information, click here.


2020LE07      Phys.Rev. C 102, 014308 (2020)

A.I.Levon, D.Bucurescu, C.Costache, T.Faestermann, R.Hertenberger, A.Ionescu, R.Lica, A.G.Magner, C.Mihai, R.Mihai, C.R.Nita, S.Pascu, K.P.Shevchenko, A.A.Shevchuk, A.Turturica, H.-F.Wirth

High-resolution study of excited states in 158Gd with the (p, t) reaction

NUCLEAR REACTIONS 160Gd(p, t), E=22 MeV; measured triton spectra, exclusive differential σ(θ), integrated σ using the Q3D spectrograph at the Tandem accelerator of the Maier-Leibnitz-Laboratory in Munich. Enriched target. DWBA analysis of σ(θ) data using coupled-channel approximation CHUCK3 code. 158Gd; deduced levels, J, π. Discussed bands, moment of inertia, B(E1), B(E2). Comparison with theoretical calculations using the spdf version of the interacting boson model (IBM). 154,155,156Gd; identified ground and first excited states from (p, t) reaction on other Gd isotopes.

doi: 10.1103/PhysRevC.102.014308
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2526. Data from this article have been entered in the XUNDL database. For more information, click here.


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
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2019BU14      Phys.Rev. C 100, 014327 (2019)

D.Bucurescu, S.Pascu, T.Faestermann, H-F.Wirth, C.Costache, A.Ionescu, R.Lica, R.Mihai, A.Turturica, R.Hertenberger

Excited states of the odd-odd nucleus 158Eu from the (d, α) reaction

NUCLEAR REACTIONS 160Gd(d, α)158Eu, E=18.0 MeV; measured Eα, Iα, differential σ(θ) using multiwire proportional chamber of Q3D spectrograph at MLL-Garching tandem accelerator. 111Cd(d, α)109Ag, E=18.0 MeV; measured Eα, Iα, used for calibration of 158Eu spectrum. 158Eu; deduced levels, and compared with previously known levels from 158Sm β- decay. Systematics of low-lying level densities of 150,152,154,156,158Eu.

doi: 10.1103/PhysRevC.100.014327
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2461. Data from this article have been entered in the XUNDL database. For more information, click here.


2019LE13      Phys.Rev. C 100, 034307 (2019)

A.I.Levon, D.Bucurescu, C.Costache, T.Faestermann, R.Hertenberger, A.Ionescu, R.Lica, A.G.Magner, C.Mihai, R.Mihai, C.R.Nita, S.Pascu, K.P.Shevchenko, A.A.Shevchuk, A.Turturica, H.-F.Wirth

New data on 0+ states in 158Gd

NUCLEAR REACTIONS 160Gd(p, t), E=22 MeV; measured E(t), I(t), σ(θ) using enriched target and high-precision Q3D spectrometer at the Munich Tandem accelerator facility. 158Gd; deduced 230 levels between 1700 and 4300 keV, J, π, 36 levels with Jπ=0+ below 3.4 MeV; analyzed σ(θ) by DWBA calculations using optical model parameters from CHUCK3. Comparison with calculations within the spdf-IBM model, and with previous experimental results.

doi: 10.1103/PhysRevC.100.034307
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2480. Data from this article have been entered in the XUNDL database. For more information, click here.


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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Data from this article have been entered in the XUNDL database. For more information, click here.


2017LE06      Phys.Rev.Lett. 118, 162502 (2017)

S.Leoni, B.Fornal, N.Marginean, M.Sferrazza, Y.Tsunoda, T.Otsuka, G.Bocchi, F.C.L.Crespi, A.Bracco, S.Aydin, M.Boromiza, D.Bucurescu, N.Cieplicka-Orynczak, C.Costache, S.Calinescu, N.Florea, D.G.Ghita, T.Glodariu, A.Ionescu, L.W.Iskra, M.Krzysiek, R.Marginean, C.Mihai, R.E.Mihai, A.Mitu, A.Negret, C.R.Nita, A.Olacel, A.Oprea, S.Pascu, P.Petkov, C.Petrone, G.Porzio, A.Serban, C.Sotty, L.Stan, I.Stiru, L.Stroe, R.Suvaila, S.Toma, A.Turturica, S.Ujeniuc, C.A.Ur

Multifaceted Quadruplet of Low-Lying Spin-Zero States in 66Ni: Emergence of Shape Isomerism in Light Nuclei

NUCLEAR REACTIONS 64Ni(18O, X)66Ni, E=39 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced lifetimes, B(E2), J, π. Plunger technique, comparison with the state-of-the-art Monte Carlo shell model calculations.

doi: 10.1103/PhysRevLett.118.162502
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Data from this article have been entered in the XUNDL database. For more information, click here.


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