NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = S.Ujeniuc Found 7 matches. 2024WI01 Nuovo Cim. C 47, 24 (2024) O.Wieland, A.Bracco, F.Camera, S.Aogaki, D.L.Balabanski, E.Boicu, R.Borcea, M.Boromiza, I.Burducea, S.Calinescu, A.Coman, P.Constantin, C.Costache, M.Ciemala, Gh.Ciocan, C.Clisu, F.C.L.Crespi, M.Cuciuc, A.Dhal, N.Djourelov, N.M.Florea, I.Gheorghe, A.Giaz, D.Iancu, D.M.Kahl, M.Kmiecik, A.Kusoglu, R.Lica, N.Mvarginean, A.Maj, R.Marginean, C.Mihai, R.E.Mihai, B.Million, C.Neacsu, D.Nichita, C.Nitva, H.Pai, A.Pappalardo, T.Petruse, A.Rotaru, A.B.Serban, P.-A.Soderstrom, C.O.Sotty, L.Stan, A.N.State, I.Stiru, A.Stoica, D.A.Testov, S.Toma, T.Tozar, A.Turturica, G.V.Turturica, S.Ujeniuc, V.Vasilca, Y.Xu Extra yield in hot Ni isotopes below the Giant Dipole Resonance NUCLEAR REACTIONS 24Mg(32S, X)56Ni, E=90 MeV; 26Mg(34S, X)60Ni, E=79 MeV; 26Mg(36S, X)62Ni, E=78 MeV; measured reaction products, Eγ, Iγ; deduced yields, linearized measured γ-ray yields, the tail of the Giant Dipole Resonance which may be attributed to a Pygmy Dipole Resonance in an excited nucleus with statistical model using a Monte Carlo approach. The IFIN 9 MV Tandem facility.
doi: 10.1393/ncc/i2024-24024-1
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
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
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
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
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
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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