NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = C.Costache Found 31 matches. 2024BA08 Appl.Radiat.Isot. 208, 111289 (2024) S.Bara, E.Jajcisinova, T.E.Cocolios, B.Andel, S.Antalic, A.Camaiani, C.Costache, K.Dockx, G.J.Farooq-Smith, A.Kellerbauer, R.Lica, K.M.Lynch, P.Marini, M.Piersa-Silkowska, S.T.Stegemann, M.Stryjczyk, D.Treasa, P.Van Duppen Half-life determination of 215At and 221Ra with high-purity radioactive ion beams RADIOACTIVITY 215At, 221Ra(α) [from U(p, X), E=1.4 GeV]; measured decay products, Eα, Iα; deduced T1/2, α-decay widths and hindrance factors. Comparison with available data. The CRIS and ASET experiments in the course of three different experimental campaigns at ISOLDE, CERN.
doi: 10.1016/j.apradiso.2024.111289
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
2023XU06 Phys.Rev.Lett. 131, 022501 (2023) Z.Y.Xu, M.Madurga, R.Grzywacz, T.T.King, A.Algora, A.N.Andreyev, J.Benito, T.Berry, M.J.G.Borge, C.Costache, H.De Witte, A.Fijalkowska, L.M.Fraile, H.O.U.Fynbo, A.Gottardo, C.Halverson, L.J.Harkness-Brennan, J.Heideman, M.Huyse, A.Illana, L.Janiak, D.S.Judson, A.Korgul, T.Kurtukian-Nieto, I.Lazarus, R.Lica, R.Lozeva, N.Marginean, R.Marginean, C.Mazzocchi, C.Mihai, R.E.Mihai, A.I.Morales, R.D.Page, J.Pakarinen, M.Piersa-Silkowska, Z.Podolyak, P.Sarriguren, M.Singh, C.Sotty, M.Stepaniuk, O.Tengblad, A.Turturica, P.Van Duppen, V.Vedia, S.Vinals, N.Warr, R.Yokoyama, C.X.Yuan 133In: A Rosetta Stone for Decays of r-Process Nuclei RADIOACTIVITY 133In(IT), (β-), (β-n); measured decay products, En, In, Eβ, Iβ, Eγ, Iγ; deduced excitation energy and decay strength, partial T1/2. Comparison with large-scale shell model (LSSM) calculations. The ISOLDE Decay Station (IDS), The Isotope Separator On-Line (ISOLDE) facility at CERN.
doi: 10.1103/PhysRevLett.131.022501
2023XU08 Phys.Rev. C 108, 014314 (2023) Z.Y.Xu, M.Madurga, R.Grzywacz, T.T.King, A.Algora, A.N.Andreyev, J.Benito, T.Berry, M.J.G.Borge, C.Costache, H.De Witte, A.Fijalkowska, L.M.Fraile, H.O.U.Fynbo, A.Gottardo, C.Halverson, L.J.Harkness-Brennan, J.Heideman, M.Huyse, A.Illana, L.Janiak, D.S.Judson, A.Korgul, T.Kurtukian-Nieto, I.Lazarus, R.Lica, R.Lozeva, N.Marginean, R.Marginean, C.Mazzocchi, C.Mihai, R.E.Mihai, A.I.Morales, R.D.Page, J.Pakarinen, M.Piersa-Silkowska, Zs.Podolyak, P.Sarriguren, M.Singh, Ch.Sotty, M.Stepaniuk, O.Tengblad, A.Turturica, P.Van Duppen, V.Vedia, S.Vinals, N.Warr, R.Yokoyama, C.X.Yuan β-delayed neutron spectroscopy of 133In RADIOACTIVITY 133,133mIn(β-)(β-n); decay products, neutron time-of-flight, En, In, Eβ, Iβ, Eγ, Iγ, βγ-coin, nβ-coin; deduced feeding intensities, neutron-emission probabilities, logft, β-decay strength distribution, Gamow-Teller transition. 133Sn; deduced levels, J, π, configurations. Comparison of 133Sn and 131Sn level schemes. The ISOLDE Decay Station (IDS) at The Isotope Separator On-Line (ISOLDE) facility at CERN.
doi: 10.1103/PhysRevC.108.014314
2022AV01 Eur.Phys.J. A 58, 3 (2022) M.Avrigeanu, D.Rochman, A.J.Koning, U.Fischer, D.Leichtle, C.Costache, V.Avrigeanu Advanced breakup-nucleon enhancement of deuteron-induced reaction cross sections NUCLEAR REACTIONS 58Ni, 96Zr, 231Pa(d, X), (d, 2n), (d, 2p), E<200 MeV; calculated σ using TALYS-1.95 nuclear model code. Comparison with available data.
doi: 10.1140/epja/s10050-021-00659-6
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
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
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
2021SI31 Phys.Rev. C 104, 044615 (2021) E.Simeckova, M.Avrigeanu, J.Mrazek, J.Novak, M.Stefanik, C.Costache, V.Avrigeanu Deuteron-induced reactions on natZr up to 60 MeV NUCLEAR REACTIONS Zr(d, xn), (d, p), (d, xnp), (d, xn2p), 90Nb/91mNb/92mNb/94mNb/95Nb/95mNb/96Nb/97Nb/89Zr/89mZr/95Zr/97Zr/87Y/87mY/88Y/90mY/91mY/94Y, E=4.32-19.80 MeV from U-120M cyclotron of CANAM-NPI-CAS; measured Eγ, Iγ, activation σ(E) by stacked-foil technique and off-line γ-ray spectroscopy using two HPGe detectors, natural Zr target. 90Zr(d, d), E=5.5, 9, 10, 11, 12, 13, 15, 23.2, 28.8, 56 MeV; 90,91,92,94,96Zr(d, d), E=34.4 MeV; analyzed available experimental σ(θ, E) data using global optical model potential (OMP), and used to analyze literature particle-transfer σ(θ) data for excited states in residual nuclei. 90Zr(d, p), E=15.89 MeV; 91,92Zr(d, p), E=12 MeV; 92,96Zr(d, p), E=33.3 MeV; 94Zr(d, p), E not given; 90Zr(d, n), E=12 MeV; 90Zr(d, α), E=17 MeV; 94,96Zr(d, α), E=11.5, 28 MeV; 90Zr(d, t), E=21.14 MeV; 91,92,94,96Zr(d, t), E=11.8 MeV; 91Zr(3He, d), E=17 MeV; Zr(d, xn)91,95Nb, 94Zr(d, n), 96Zr(d, 3n), E=10-60 MeV; Zr(d, xnp)88Zr, E=20-60 MeV; Zr(d, x)86Y/87Y/87mY/88Y/90mY, E=5-60 MeV; 94Zr(d, xnp)88Zr, E=20-60 MeV; 94Zr(d, xn2p)86Y, E=20-60 MeV; analyzed literature experimental σ(θ) and σ(E) data using pre-equilibrium emission (PE) and compound nucleus (CN) decay statistical emission mechanisms, with the inclusion of deuteron breakup (BU). Comparison of activation cross section data with TENDL-2019 evaluation and model calculations. For particle transfer reactions data taken from literature, level energies, J, π and spectroscopic factors are given in the Supplemental Material.
doi: 10.1103/PhysRevC.104.044615
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
2020AV01 Phys.Rev. C 101, 024605 (2020) M.Avrigeanu, E.Simeckova, U.Fischer, J.Mrazek, J.Novak, M.Stefanik, C.Costache, V.Avrigeanu Deuteron-induced reactions on manganese at low energies NUCLEAR REACTIONS 55Mn(d, p), (d, t), (d, 2nα), E=3.13-19.49 MeV; measured Eγ, Iγ, σ(E), by activation method at the variable-energy cyclotron U-120M facility of NPI-CAS, Rez. 55Mn(d, p), (d, t), (d, 2nt), (d, 2nα), E<50 MeV; analyzed present and previous data for σ(E). 55Mn(d, p)56Mn, E=7.5 MeV; 55Mn(d, t)54Mn, E=17, 18 MeV; analyzed previous differential σ(θ) data for 20 levels in 56Mn up to 4.54 MeV, and for 25 levels in 54Mn up to 3.42 MeV. Comparison with TALYS-1.9 theoretical calculations. Discussed deuteron breakup (BU) and direct reaction (DR) mechanisms.
doi: 10.1103/PhysRevC.101.024605
2020BU08 Phys.Rev. C 102, 024336 (2020) D.Bucurescu, C.Mihai, C.Costache, R.E.Mihai, N.Marginean, S.Kisyov, N.Florea, G.Cata-Danil, I.Cata-Danil, R.Lica, R.Marginean, A.Negret, C.R.Nita, S.Pascu, L.Stroe, G.Suliman, R.Suvaila, C.A.Ur Reexamined lifetimes of the low-lying states of 86Zr by recoil distance differential decay measurements NUCLEAR REACTIONS 73Ge(16O, 3n)86Zr, E=57 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by recoil distance Doppler shift method and DDCM analysis, using the ROSPHERE detector array of 15 HPGe detectors with BGO shields and nine LaBr3(Ce) detectors at the HH-NIPNE-Bucharest tandem accelerator facility. 86Zr; deduced levels, J, π, B(E2), B(M1), B(E1). Comparison with theoretical calculations using IBM-1 model, IBM-1 model with broken pairs, and shell-model. Comparison with previous experimental data in the ENSDF database.
doi: 10.1103/PhysRevC.102.024336
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
2020IS08 Phys.Rev. C 102, 054324 (2020) L.W.Iskra, S.Leoni, B.Fornal, C.Michelagnoli, F.Kandzia, N.Marginean, M.Barani, S.Bottoni, N.Cieplicka-Orynczak, G.Colombi, C.Costache, F.C.L.Crespi, J.Dudouet, M.Jentschel, Y.H.Kim, U.Koster, R.Lica, R.Marginean, C.Mihai, R.E.Mihai, C.R.Nita, S.Pascu, C.Porzio, D.Reygadas, E.Ruiz-Martinez, A.Turturica γ spectroscopy of the 96Y isotope: Searching for the onset of shape coexistence before N = 60 NUCLEAR REACTIONS 233,235U(n, F), E=thermal; measured fission events, Eγ, Iγ, double and triple γγ-coin tagged by fission events, γγ(θ), half-life of (6+) isomer by γγ(t) using FIPPS array of 16 HPGe clover detectors at ILL-Grenoble. 96Y; deduced levels, J, π, conversion coefficients, mixing ratios, multipolarities, configurations, shape coexistence. Comparison with predictions of Hartree-Fock-Bogoliubov calculations in literature. Possible relevance to calculations of electron and antineutrino spectra from fission of actinides. 137I; measured γγ-coin, relative yields of the cross-coincidence iodine fission partners.
doi: 10.1103/PhysRevC.102.054324
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
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
2020PO12 Phys.Rev. C 102, 064310 (2020) C.Porzio, C.Michelagnoli, N.Cieplicka-Orynczak, M.Sferrazza, S.Leoni, B.Fornal, Y.Tsunoda, T.Otsuka, S.Bottoni, C.Costache, F.C.L.Crespi, L.W.Iskra, M.Jentschel, F.Kandzia, Y.-H.Kim, U.Koster, N.Marginean, C.Mihai, P.Mutti, A.Turturica Detailed low-spin spectroscopy of 65Ni via neutron capture reaction NUCLEAR REACTIONS 64Ni(n, γ), E=thermal; measured Eγ, Iγ, γγ-coin, γγ(θ) using FIPPS array of eight HPGe clovers at ILL, Grenoble. 65Ni; deduced levels, J, π, multipolarities, mixing ratios; calculated potential-energy surfaces of 65Ni in (Q0, Q2) plane for different excited states. Comparison with Monte Carlo shell-model (MCSM) calculations, predicting spherical shapes for most states, with the exception of first 9/2+ and second 1/2- states of oblate deformation.
doi: 10.1103/PhysRevC.102.064310
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
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
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
2018PI07 Acta Phys.Pol. B49, 523 (2018) M.Piersa, A.Korgul, L.M.Fraile, J.Benito, E.Adamska, R.Alvarez, A.E.Barzakh, G.Benzoni, T.Berry, M.J.G.Borge, M.Carmona, K.Chrysalidis, G.Correia, C.Costache, T.Day Goodacre, D.V.Fedorov, V.N.Fedosseev, G.Fernandez-Martinez, M.Fila, D.Galaviz, R.Grzywacz, C.Henrich, A.Illana, Z.Janas, K.Johnston, V.Karanyonchev, M.Kicinska-Habior, R.Lica, M.Madurga, I.Marroquin, B.Marsh, C.Martinez, C.Mazzocchi, K.Miernik, R.Mihai, B.Olaizola, S.Paulaskalas, J.-M.Regis, S.Rothe, V.Sanchez-Tembleque, G.Simpson, Ch.Sotty, L.Stan, M.Stanoiu, M.Stryjczyk, A.Turturica, J.M.Udias, V.Vedia, A.Villa, W.B.Walters Investigation of Low-lying States in 133Sn Populated in the β Decay of 133In Using Isomer-selective Laser Ionization RADIOACTIVITY 133In(β-)[from ISOLDE facility, where 1.4 GeV protons are directed on uranium carbide target]; measured Eβ, Iβ, β-gated γ-ray spectra using isomer selective ionization of ISOLDE facility LDE RILIS with clear distinction between decaying gs (9/2+) and isomer (1/2-); deduced, identified γ-rays following 133In to 133Sn as βγγ coin with 513 keV transition; deduced levels, J, π participating in 133In β-decay; deduced consistency with previous results on low-lying structure in 133Sn.
doi: 10.5506/aphyspolb.49.523
2018SI23 Phys.Rev. C 98, 034606 (2018) E.Simeckova, M.Avrigeanu, U.Fischer, J.Mrazek, J.Novak, M.Stefanik, C.Costache, V.Avrigeanu Consistent account of deuteron-induced reactions on natCr up to 60 MeV NUCLEAR REACTIONS Cr(d, xn)54Mn/52Mn/52mMn/51Mn, E=4-20 MeV; Cr(d, X)51Cr/48V, E=4-20 MeV; measured Eγ, Iγ from radioactive reaction product, σ(E) by activation method using the variable-energy cyclotron U-120M at CANAM-NPI-CAS at Rez, Czech Republic. 50,52,53,54Cr(d, d), (d, xn), (d, X), E=3-60 MeV; 50Cr(d, p)51Cr, E=12 MeV; 52Cr(d, p)53Cr, E=7.5 MeV; 52Cr(d, α)50V, E=17 MeV; 53Cr(d, t)52Cr, E=11.8 MeV; 54Cr(d, p)55Cr, E=10 MeV; 54Cr(d, t)53Cr, E=11.8, 12 MeV; analyzed data from literature for elastic scattering differential σ(θ, E), and total reaction σ(θ, E) for direct reaction (DR), and break-up (BU) reaction channels. Comparison with theoretical predictions, and TENDL-2017 evaluations.
doi: 10.1103/PhysRevC.98.034606
2017DA06 Phys.Rev. C 95, 024328 (2017) T.Daniel, S.Kisyov, P.H.Regan, N.Marginean, Zs.Podolyak, R.Marginean, K.Nomura, M.Rudigier, R.Mihai, V.Werner, R.J.Carroll, L.A.Gurgi, A.Oprea, T.Berry, A.Serban, C.R.Nita, C.Sotty, R.Suvaila, A.Turturica, C.Costache, L.Stan, A.Olacel, M.Boromiza, S.Toma γ-ray spectroscopy of low-lying excited states and shape competition in 194Os NUCLEAR REACTIONS 192Os(18O, 16O), E=80 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), half-life of the first 2+ and 4+ states by γγ(t) using RoSPHERE array at IFIN-HH, Bucharest facility. 194Os; deduced levels, J, π, bands, multipolarities, B(E2), effective β2. 192Os; measured half-life of the first 2+ state by γγ(t). Comparison with Hartree-Fock-Bogoliubov interacting-boson-model (IBM) calculations. Systematics of energies of ground-state band members in 176,178,180,182,184,186,188,190,192,194,196,198Os. Systematics of B(E2) and β2 for first 2+ states in 174,176,178,180,182,184,186,188W, 178,180,182,184,186,188,190,192,194Os, 180,184,186,188,190,192,194,196,198Pt.
doi: 10.1103/PhysRevC.95.024328
2017GO14 Phys.Lett. B 772, 359 (2017) A.Gottardo, D.Verney, I.Deloncle, S.Peru, C.Delafosse, S.Roccia, I.Matea, C.Sotty, C.Andreoiu, C.Costache, M.-C.Delattre, A.Etile, S.Franchoo, C.Gaulard, J.Guillot, F.Ibrahim, M.Lebois, M.MacCormick, N.Marginean, R.Marginean, M.Martini, C.Mihai, I.Mitu, L.Olivier, C.Portail, L.Qi, B.Roussiere, L.Stan, D.Testov, J.Wilson, D.T.Yordanov Unexpected high-energy γ emission from decaying exotic nuclei RADIOACTIVITY 80,83Ga(β-); measured decay products, Eγ, Iγ; deduced γ-ray emissions, B(E1), GT β-decay and E1 strength distributions. Comparison with microscopic Gogny-QRPA calculations.
doi: 10.1016/j.physletb.2017.06.050
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
2017LI06 J.Phys.(London) G44, 054002 (2017) R.Lica, G.Benzoni, A.I.Morales, M.J.G.Borge, L.M.Fraile, H.Mach, M.Madurga, C.Sotty, V.Vedia, H.De Witte, J.Benito, T.Berry, N.Blasi, A.Bracco, F.Camera, S.Ceruti, V.Charviakova, N.Cieplicka-Orynczak, C.Costache, F.C.L.Crespi, J.Creswell, G.Fernandez-Martinez, H.Fynbo, P.Greenlees, I.Homm, M.Huyse, J.Jolie, V.Karayonchev, U.Koster, J.Konki, T.Kroll, J.Kurcewicz, T.Kurtukian-Nieto, I.Lazarus, S.Leoni, M.Lund, N.Marginean, R.Marginean, C.Mihai, R.Mihai, A.Negret, A.Orduz, Z.Patyk, S.Pascu, V.Pucknell, P.Rahkila, J.M.Regis, F.Rotaru, N.Saed-Samii, V.Sanchez-Tembleque, M.Stanoiu, O.Tengblad, M.Thuerauf, A.Turturica, P.Van Duppen, N.Warr β decay studies of n-rich Cs isotopes with the ISOLDE Decay Station RADIOACTIVITY 148,149,150Cs(β-), (β-n)[from U(p, X), E=1.4 GeV at ISOLDE-CERN]; measured reaction products, Eγ, Iγ, βγ-, γγ-coin, half-lives of ground states of 148,149,150Cs, %Pn for the decay of 149Cs, half-lives of levels in 149Ba and 148Ce by βγγ(t). 149Ba; deduced levels, β feedings, multipolarities, half-lives. 148Ce; deduced half-life of the first 2+ state. Comparison with previous experimental half-lives, and with theoretical calculations.
doi: 10.1088/1361-6471/aa6015
2016AV03 Phys.Rev. C 94, 014606 (2016) M.Avrigeanu, E.Simeckova, U.Fischer, J.Mrazek, J.Novak, M.Stefanik, C.Costache, V.Avrigeanu Deuteron-induced reactions on Ni isotopes up to 60 MeV NUCLEAR REACTIONS Ni(d, X)55Co/56Co/57Co/58Co/58mCo/60Co/57Ni/65Ni/60Cu/61Cu/64Cu, E=1.5-19.59 MeV; measured Eγ, Iγ, σ(E) using stacked-foil technique and γ-activation method at U-120M cyclotron of CANAM, NPI CAS. Optical model analysis. Deuteron breakup and direct reactions. Comparison with previous experimental data. 58,64Ni(d, d), E=12-56 MeV; 60Ni(d, d), E=4.86-56 MeV; 61Ni(d, d), E=12.3 MeV; 62Ni(d, d), E=12, 22 MeV; 58Ni(d, p)59Ni, E=10 MeV; 58Ni(d, n)59Cu, E=7 MeV; 58Ni(d, t)57Ni, E=24 MeV; 58Ni(d, α)56Co, E=17 MeV; 58Ni(d, n)59Cu, E=10 MeV; 60Ni(d, p)61Ni, E=7.5 MeV; 61Ni(d, p)62Ni, E=12.3 MeV; 62Ni(d, p)63Ni, E=7.5 MeV; 64Ni(d, p)65Ni, E=7.5 MeV; analyzed σ(θ, E) data. 58,60,61,62,64Ni(d, X), 60Ni(d, n)61Cu, 60Ni(d, 2n)60Cu, 61Ni(d, 2n)61Cu, 61Ni(d, 3n)60Cu, Ni(d, X)61Cu, 62Ni(d, 3n)61Cu, Ni(d, X)60Cu, 60Ni(d, 4n)60Cu, 64Ni(d, 5n)61Cu, Ni(d, X)64Cu, 64Ni(d, 2n)64Cu, Ni(d, X)57Ni, 58Ni(d, t)57Ni, Ni, 58Ni(d, X)56Ni, Ni, 62,64Ni(d, X)61Co, 61Ni(d, 2p)61Co, Ni, 61,62Ni(d, X)60Co, 60Ni(d, 2p)60Co, Ni, 60,61,62,64Ni(d, X)58Co/58mCo, 58Ni(d, 2p)58Co/58mCo, Ni, 58,60,61Ni(d, X)57Co, Ni, 58,60Ni(d, X)56Co, Ni, 58,60Ni(d, X)55Co, Ni, 58,60,61Ni(d, X)56Mn, Ni, 58,60,61Ni(d, X)54Mn, Ni, 58,60,61Ni(d, X)51Cr, 58Ni(d, X)51Mn, Ni, 58,60,61Ni(d, X)52Mn, E=5-65 MeV; Ni(d, X)65Ni, 64Ni(d, p), E=2-30 MeV; analyzed activation σ(E) data by consideration of the pre-equilibrium (PE) and compound nucleus (CN) contributions corrected for decrease of the total-reaction cross section from the leakage of the initial deuteron flux due to the deuteron breakup (BU) and direct reaction (DR) processes. Comparison with TENDL-2015 evaluation, and model calculations.
doi: 10.1103/PhysRevC.94.014606
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
2016GO13 Phys.Rev.Lett. 116, 182501 (2016) A.Gottardo, D.Verney, C.Delafosse, F.Ibrahim, B.Roussiere, C.Sotty, S.Roccia, C.Andreoiu, C.Costache, M.-C.Delattre, I.Deloncle, a.Etile, S.Franchoo, c.Gaulard, J.Guillot, M.Lebois, M.MacCormick, N.Marginean, R.Marginean, I.Matea, C.Mihai, I.Mitu, L.Olivier, C.Portail, L.Qi, L.Stan, D.Testov, J.Wilson, D.T.Yordanov First Evidence of Shape Coexistence in the 78Ni Region: Intruder 0+2 State in 80Ge RADIOACTIVITY 80Ga(β-) [from U(E, X), E=50 MeV]; measured decay products, Eβ, Iβ, Eγ, Iγ; deduced intruder state energy, T1/2. Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.116.182501
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