NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = P.Mutti Found 66 matches. 2023RZ01 Phys.Rev. C 108, 014324 (2023) T.Rzaca-Urban, W.Urban, A.Blanc, M.Jentschel, P.Mutti, U.Koster, G.de France, G.S.Simpson, C.A.Ur Low-spin excitations in 95Zr NUCLEAR REACTIONS 94Zr(n, γ), 235U(n, F)95Zr, E=cold neutrons; measured Eγ, Iγ γγ-coin, γγγ-coin, γγ(θ). 95Zr; deduced levels, J, π, transition intensities, γ-transition branchings, angular correlation coefficients. Comparison of low-spin excitations of 94Zr, 95Zr, 96Zr, 97Zr. EXILL array of 16 large HPGe detectors at the PF1B facility of ILL-Grenoble. RADIOACTIVITY 95Y(β-)[from 235U(n, F), E=cold neutrons]; measured Eγ, Iγ γγ-coin, γγγ-coin, γγ(θ). 95Zr; deduced levels, J, π, transition intensities, γ-transition branchings, angular correlation coefficients. EXILL array of 16 large HPGe detectors at the PF1B facility of ILL-Grenoble.
doi: 10.1103/PhysRevC.108.014324
2023WI04 Phys.Rev. C 108, 024302 (2023) J.Wisniewski, W.Urban, T.Rzaca-Urban, K.Sieja, A.Blanc, M.Jentschel, C.Micheagnoli, P.Mutti, U.Koster, G.de France, G.S.Simpson, C.A.Ur Structure of N=56 isotones with 36 ≤ Z ≤ 42 protons NUCLEAR REACTIONS 235U(n, F)92Kr/96Zr, E = thermal; 97Mo(n, γ), E = thermal; measured Eγ, Iγ, γγ-coin, γγ(θ). 92Kr, 96Zr, 98Mo; deduced levels, J, π, angular correlation coefficients, linear polarization, high-spin states, δ, configurations. 92Kr; calculated occupation of neutron and proton orbitals. Systematics of low-spin level structures for N=56 isotones (Se, Kr, Sr, Zr, Mo, Ru, Pd). Comparison to large-scale shell-model (LSSM) calculations for 92Kr. EXILL array of 16 large Ge detectors including eight clover detectors in one plane with an octagonal geometry was used for experiment in which 92Kr and 96Zr were measured, while for 98Mo - FIPPS array of 8 HPGe detectors mounted in an octagonal geometry was used.
doi: 10.1103/PhysRevC.108.024302
2022SI16 Phys.Rev. C 106, 014302 (2022) M.Si, R.Lozeva, H.Naidja, A.Blanc, J.-M.Daugas, F.Didierjean, G.Duchene, U.Koster, T.Kurtukian-Nieto, F.Le Blanc, P.Mutti, M.Ramdhane, W.Urban New β-decay spectroscopy of the 137Te nucleus RADIOACTIVITY 137Te(β-), (β-n)[from 235U(n, F), E=thermal at the high flux reactor of Institut Laue-Langevin (ILL), followed by separation of fragments using LOHENGRIN separator]; measured Eγ, Iγ, γγ-coin, βγ-coin using two clover Ge detectors surrounded by BGO anti-Compton shields, and a coaxial HPGe detector for γ radiation, and plastic scintillators for β radiation. 137I; deduced levels, J, π, β feedings, logft, shell-model configurations and wave function amplitudes. 136I; deduced one level at 87.3 keV through the observation of g.s. transition. 137Te; measured T1/2 of its decay by time distribution of β-decay events; estimated lower limit of %β-n or Pn decay mode. Comparison of level structure of 137I with theoretical shell-model (SM) calculations.
doi: 10.1103/PhysRevC.106.014302
2021BO02 Phys.Rev. C 103, 014320 (2021) S.Bottoni, N.Cieplicka-Orynczak, S.Leoni, B.Fornal, G.Colo, P.F.Bortignon, G.Bocchi, D.Bazzacco, G.Benzoni, A.Blanc, A.Bracco, S.Ceruti, F.C.L.Crespi, G.de France, E.R.Gamba, L.W.Iskra, M.Jentschel, U.Koster, C.Michelagnoli, B.Million, D.Mengoni, P.Mutti, Y.Niu, C.Porzio, G.Simpson, T.Soldner, B.Szpak, A.Turler, C.A.Ur, W.Urban Low-spin particle-core and hole-core excitations in 41, 47, 49Ca isotopes studied by cold-neutron-capture reactions NUCLEAR REACTIONS 40,46,48Ca(n, γ), E=cold neutrons from High Flux Reactor of ILL-Grenoble; measured Eγ, Iγ, γγ-coin, γγ(θ) using EXILL array of eight clover detectors from the EXOGAM setup, six coaxial detectors from the GASP array, and two ILL clover detectors. 41,47,49Ca; deduced levels, J, π, γ branching ratios, multipolarities, mixing ratios, S(n), configurations. Comparison with self-consistent beyond-mean-field calculations using hybrid configuration mixing model, based on a Skyrme SkX Hamiltonian. NUCLEAR STRUCTURE 41,47,49Ca; calculated levels, J, π, wave functions and corresponding squared amplitudes, B(E3), spectroscopic factors for 49Ca levels populated in (d, p) reaction using self-consistent beyond-mean-field calculations in a hybrid configuration mixing model, based on a Skyrme SkX Hamiltonian. Comparison with experimental data.
doi: 10.1103/PhysRevC.103.014320
2021CH64 Eur.Phys.J. A 57, 335 (2021) A.Chebboubi, G.Kessedjian, O.Serot, H.Faust, U.Koster, O.Litaize, C.Sage, A.Blanc, D.Bernard, A.Letourneau, T.Materna, O.Meplan, P.Mutti, M.Rapala, M.Ramdhane Measurements of 233U(nth, f) fission product mass yields with the LOHENGRIN recoil mass spectrometer NUCLEAR REACTIONS 233U(n, F), E thermal; measured reaction products; deduced fission product mass yields, mean and total kinetic energies. Comparison with ENDF/B-VIII.0 and JEFF-3.3 libraries. The LOHENGRIN recoil mass spectrometer of the ILL.
doi: 10.1140/epja/s10050-021-00645-y
2021DE09 Phys.Rev. C 103, 044322 (2021) A.Dey, D.C.Biswas, A.Chakraborty, S.Mukhopadhyay, A.K.Mondal, L.S.Danu, B.Mukherjee, S.Garg, B.Maheshwari, A.K.Jain, A.Blanc, G.de France, M.Jentschel, U.Koster, S.Leoni, P.Mutti, G.Simpson, T.Soldner, C.A.Ur, and W.Urban Measurement of relative isotopic yield distribution of even-even fission fragments from 235U(nth, f) following γ-ray spectroscopy NUCLEAR REACTIONS 235U(n, F)86Se/88Se/88Kr/90Kr/92Kr/92Sr/94Sr/96Sr/96Zr/98Zr/100Zr/102Zr/104Mo/106Mo/130Sn/132Sn/132Te/136Xe/138Xe/140Xe/144Ba/146Ba/144Ce, E=thermal; measured Eγ, Iγ, γγ- and γγγ-coin using the EXILL array of eight EXOGAM Clover detectors, six large coaxial detectors from GASP, and two clovers at ILL-Grenoble for γ detection; deduced relative isotopic yield distributions of the even-even neutron-rich fission fragments. Z=34-54, A=86-142; assigned values of the third component of isospins T3 and total isospins for all the possible even-even fission fragments produced in the 235U(n, F), E=thermal reaction. Comparison with theoretical calculations using the semiempirical GEF model, and isospin conservation (ISCF) approach.
doi: 10.1103/PhysRevC.103.044322
2021NY01 Phys.Rev. C 103, 034304 (2021) B.M.Nyako, J.Timar, M.Csatlos, Zs.Dombradi, A.Krasznahorkay, I.Kuti, D.Sohler, T.G.Tornyi, M.Czerwinski, T.Rzaca-Urban, W.Urban, P.Baczyk, L.Atanasova, D.L.Balabanski, K.Sieja, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.de France, G.S.Simpson, C.A.Ur Medium-spin states of the neutron-rich nucleus 87Br NUCLEAR REACTIONS 235U(n, F), E=cold neutrons; measured Eγ, Iγ, γγ-coin, (γ rays from complementary fission fragments of 146,147La)γγ-coin, γγ(θ) using EXILL array of Ge detectors at the PF1B facility of ILL-Grenoble. 87Br; deduced high-spin levels, J, π, bands, γ-ray branching ratios, multipolarities, mixing ratios, configurations; calculated levels, J, π, bands, proton and neutron occupations of excited states using shell-model. Comparison of 9/2+ band in 87Br with g.s. bands of 86Se and 88Kr.
doi: 10.1103/PhysRevC.103.034304
2021NY02 Phys.Rev. C 104, 054305 (2021) B.M.Nyako, J.Timar, M.Csatlos, Zs.Dombradi, A.J.Krasznahorkay, I.Kuti, D.Sohler, T.G.Tornyi, M.Czerwinski, T.Rzaca-Urban, W.Urban, L.Atanasova, D.L.Balabanski, K.Sieja, A.Blanc, G.de France, M.Jentschel, U.Koster, P.Mutti, G.S.Simpson, T.Soldner, C.A.Ur Observation of excited states in the neutron-rich nucleus 89Br NUCLEAR REACTIONS 235U(n, F), E=cold neutrons; measured Eγ, Iγ, γγ-coin, (γ rays from complementary fission fragments 144,145La)γγ-coin, using EXILL array of Ge detectors at the PF1B facility of ILL-Grenoble. 89Br; deduced high-spin levels, J, π, g9/2 band, γ-ray branching ratios for one level, configurations, evolution of collectivity in this mass region. Comparison with large valence-space shell-model calculations, and with experimental levelstructure in 87Br investigated by 2021Ny01: Phys. Rev. C 103, 034304. 144,145La; observed γ rays.
doi: 10.1103/PhysRevC.104.054305
2021UR03 Phys.Rev. C 104, 064309 (2021) W.Urban, K.Sieja, T.Rzkaca-Urban, J.Wisniewski, A.Blanc, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.S.Simpson, C.A.Ur, A.G.Smith, J.P.Greene Structure of even-even Sr isotopes with 50 ≤ N ≤ 58 neutrons NUCLEAR REACTIONS 235U(n, F), E=thermal; measured Eγ, Iγ, γγ-coin, γγ(θ), γγ(linear polarization) using Exogam array at Institut Laue Langevin (EXILL) at Grenoble. 90,92,94Sr, 96Sr; deduced levels, J, π, γ-branching ratios, multipolarities, multipole mixing ratios. Comparison with previous experimental results, and with large-scale shell-model calculations; discussed role of the ν9/2[404] extruder in change of deformation in this mass range. Systematics of excited 0+ low-lying states in N=50-64, Zn, Ge, Se, Kr, Sr, Zr, Ru; and in N=50, 52, Z=28-50 even-even isotopes. RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array at Argonne National Laboratory. 90,92,94Sr, 96Sr; deduced levels, J, π, γ-branching. Results from this experiment were mainly used as a countercheck of data from 235U(n, F) reaction. No separate Eγ, Iγ data given from this measurement. NUCLEAR STRUCTURE 88,90,92,94Sr, 96Sr; calculated main proton and neutron components in wave functions of the levels in Sr isotopes, structure of first four 0+, first two 1+, first three 2+, first two 3+, and first 3-, 4-, 5-, 6-, 7- and 9- levels in terms of main components, B(M1), occupation of proton orbitals in selected levels of 88Sr using large-scale shell-model.
doi: 10.1103/PhysRevC.104.064309
2020CI01 Phys.Lett. B 802, 135222 (2020) N.Cieplicka-Orynczak, C.Michelagnoli, A.Gargano, B.Fornal, S.Leoni, G.Benzoni, A.Blanc, S.Bottoni, F.C.L.Crespi, L.W.Iskra, M.Jentschel, U.Koster, P.Mutti, N.Pietralla, E.Ruiz-Martinez, V.Werner Contrasting properties of particle-particle and hole-hole excitations in 206Tl and 210Bi nuclei NUCLEAR REACTIONS 209Bi, 205Tl(n, γ), E thermal; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, level schemes, branching ratios. Comparison with shell-model realistic calculations.
doi: 10.1016/j.physletb.2020.135222
2020KN04 Phys.Rev. C 102, 054322 (2020) L.Knafla, P.Alexa, U.Koster, G.Thiamova, J.-M.Regis, J.Jolie, A.Blanc, A.M.Bruce, A.Esmaylzadeh, L.M.Fraile, G.de France, G.Hafner, S.Ilieva, M.Jentschel, V.Karayonchev, W.Korten, T.Kroll, S.Lalkovski, S.Leoni, H.Mach, N.Marginean, P.Mutti, G.Pascovici, V.Paziy, Zs.Podolyak, P.H.Regan, O.J.Roberts, N.Saed-Samii, G.S.Simpson, J.F.Smith, T.Soldner, C.Townsley, C.A.Ur, W.Urban, A.Vancraeyenest, N.Warr Lifetime measurements in the odd-A nucleus 177Hf RADIOACTIVITY 177mLu(β-)[from thermal neutron activation of Lu(NO3)3 at the FRM2 reactor in Garching]; measured Eγ, Iγ, γγ-coin, half-lives of levels in 177Hf by γγ(t) and generalized-centroid-difference (GCD) method using EXILL-FATIMA array of eight HPGe-Clover detectors and 16 fast-timing LaBr3(Ce) detectors at ILL-Grenoble. 177Hf; deduced levels, J, π, B(M1), B(E2), B(E1), configurations. Comparison to particle-rotor-model (PRM), and quasiparticle-phonon-model (QPM) calculations with multipole-multipole interactions. 176Hf; calculated microscopic structure of the lowest 2-qp vibrational states.
doi: 10.1103/PhysRevC.102.054322
2020KO03 Phys.Rev. C 101, 014303 (2020) P.Koseoglou, V.Werner, N.Pietralla, S.Ilieva, T.Niksic, D.Vretenar, P.Alexa, M.Thurauf, C.Bernards, A.Blanc, A.M.Bruce, R.B.Cakirli, N.Cooper, L.M.Fraile, G.de France, M.Jentschel, J.Jolie, U.Koster, W.Korten, T.Kroll, S.Lalkovski, H.Mach, N.Marginean, P.Mutti, Z.Patel, V.Paziy, Zs.Podolyak, P.H.Regan, J.-M.Regis, O.J.Roberts, N.Saed-Samii, G.S.Simpson, T.Soldner, C.A.Ur, W.Urban, D.Wilmsen, E.Wilson Low-Z boundary of the N=88-0 shape phase transition: 148Ce near the critical point NUCLEAR REACTIONS 235U(n, Fγ), E=cold neutrons from PF1B, ILL-Grenoble facility; measured Eγ, γγ-coin, half-lives of the first 2+ and 4+ levels in 148Ce by fast-timing technique using the EXILL-FATIMA array of eight EXOGAM clovers and 16 LaBr3(Ce) scintillators. 148Ce; deduced levels, B(E2) for the first 2+ 4+ states. Comparison with predictions of vibrator, rigid rotor, X(5) and X(5)-β8 models, and with previous experimental results. Systematics of E(first 4+)/E(first 2+) and energies of the yrast states for N=90 isotones 146Ba, 148Ce, 150Nd, 152Sm, 154Gd, 156Dy. NUCLEAR STRUCTURE 144,146,148Ce, 146,148,150Nd, 148,150,152,154Sm; calculated quantum shape phase transition (QSPT) lines in the IBM symmetry triangle using IBM-1 model. 148Ce; calculated self-consistent triaxial quadrupole constrained energy surfaces and probability distributions in in the β-γ plane using Axial Skyrme-Hartree-Fock-Bogoliubov model.
doi: 10.1103/PhysRevC.101.014303
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
2019BO22 Acta Phys.Pol. B50, 285 (2019) S.Bottoni, L.W.Iskra, S.Leoni, B.Fornal, G.Colo, D.Bazzacco, L.Gatti, G.Benzoni, A.Blanc, G.Bocchi, A.Bracco, N.Cieplicka-Orynczak, F.C.L.Crespi, M.Jentschel, U.Koster, C.Michelagnoli, B.Million, P.Mutti, T.Soldner, C.A.Ur, W.Urban Investigating Core Excitations in the 131Sn One-valence-hole Nucleus NUCLEAR REACTIONS 235U, 241Pu(n, F), E=cold; measured Eγ, Iγ, γγ-coin. 131Sn; deduced levels, J, π; calculated levels, J, π using Hybrid Configuration Mixing Model describing 131Sn in terms of 132Sn core coupled to single-hole degrees of freedom.
doi: 10.5506/aphyspolb.50.285
2019GR06 J.Phys.(London) G46, 075101 (2019) E.T.Gregor, N.N.Arsenyev, M.Scheck, T.M.Shneidman, M.Thurauf, C.Bernards, A.Blanc, R.Chapman, F.Drouet, A.A.Dzhioev, G.de France, M.Jentschel, J.Jolie, J.M.Keatings, T.Kroll, U.Koster, R.Leguillon, K.R.Mashtakov, P.Mutti, D.O'Donnell, C.M.Petrache, G.S.Simpson, J.Sinclair, J.F.Smith, T.Soldner, P.Spagnoletti, A.V.Sushkov, W.Urban, A.Vancraeyenest, J.R.Vanhoy, V.Werner, K.O.Zell, M.Zielinska Decay properties of the 3-1 level in 96Mo NUCLEAR REACTIONS 95Mo(n, 2γ), E cold; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and intensities, B(Eλ). Comparison with QRPA results. NUCLEAR STRUCTURE 92,94,96,98Mo; calculated energy levels, B(Eλ) using QRPA approach.
doi: 10.1088/1361-6471/ab0b5e
2019PE06 Phys.Rev. C 99, 024303 (2019) C.M.Petrache, J.-M.Regis, C.Andreoiu, M.Spieker, C.Michelagnoli, P.E.Garrett, A.Astier, E.Dupont, F.Garcia, S.Guo, G.Hafner, J.Jolie, F.Kandzia, V.Karayonchev, Y.-H.Kim, L.Knafla, U.Koster, B.F.Lv, N.Marginean, C.Mihai, P.Mutti, K.Ortner, C.Porzio, S.Prill, N.Saed-Samii, W.Urban, J.R.Vanhoy, K.Whitmore, J.Wisniewski, S.W.Yates Collectivity of the 2p-2h proton intruder band of 116Sn NUCLEAR REACTIONS 115Sn(n, γ), E=thermal; measured Eγ, Iγ, γγ-coin, half-lives of levels using γγ-coin fast timing technique at ILL-Grenoble. 116Sn; deduced levels, J, π, B(E2) values of states in the normal and intruder configurations. Comparison with previous measurements, and with theoretical predictions using IBM-2. Systematics of levels, J, π and half-lives in 110,112,114,116,118,120,122Sn.
doi: 10.1103/PhysRevC.99.024303
2019SP03 Phys.Rev. C 100, 014311 (2019) P.Spagnoletti, G.Simpson, S.Kisyov, D.Bucurescu, J.-M.Regis, N.Saed-Samii, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.de France, C.A.Ur, W.Urban, A.M.Bruce, C.Bernards, F.Drouet, L.M.Fraile, L.P.Gaffney, D.G.Ghita, S.Ilieva, J.Jolie, W.Korten, T.Kroll, S.Lalkovski, C.Larijarni, R.Lica, H.Mach, N.Marginean, V.Paziy, Zs.Podolyak, P.H.Regan, M.Scheck, J.F.Smith, G.Thiamova, C.Townsley, A.Vancraeyenest, V.Vedia, N.Warr, V.Werner, M.Zielinska Lifetimes and shape-coexisting states of 99Zr NUCLEAR REACTIONS 235U(n, F), E=cold neutrons from high-flux reactor of the Institut Laue-Langevin; measured Eγ, Iγ, level half-lives by γγ(t) using EXILL-FATIMA Ge and LaBr3(Ce) detector array for fast-timing technique. 99Zr; deduced levels, J, π, B(E2), B(M1), Q(transition), β2, configuration, kinematic moment of inertia for ν3/2[451] band. Systematics of kinematic moments of inertia of ν3/2[411] bands in 99,101,103Zr, 97Sr. Comparison with theoretical calculations using IBFM-1 model, and with previous experimental results.
doi: 10.1103/PhysRevC.100.014311
2019TH01 Phys.Rev. C 99, 011304 (2019) M.Thurauf, Ch.Stoyanov, M.Scheck, M.Jentschel, C.Bernards, A.Blanc, N.Cooper, G.De France, E.T.Gregor, C.Henrich, S.F.Hicks, J.Jolie, O.Kaleja, U.Koster, T.Kroll, R.Leguillon, P.Mutti, D.O'Donnell, C.M.Petrache, G.S.Simpson, J.F.Smith, T.Soldner, M.Tezgel, W.Urban, J.Vanhoy, M.Werner, V.Werner, K.O.Zell, T.Zerrouki Low-lying octupole isovector excitation in 144Nd NUCLEAR REACTIONS 143Nd(n, γ), E=cold; measured Eγ, Iγ, γγ-coin, γγ(θ), half-lives of 3- states by Doppler-shift technique (GRID) using EXILL array for γ detection at the Institut Laue-Langevin, Grenoble. 144Nd; deduced low-lying 3- levels, multipolarities, mixing ratios, B(M1), B(E2), B(E3). Comparison with quasiparticle phonon model (QPM) calculations.
doi: 10.1103/PhysRevC.99.011304
2018CI02 Acta Phys.Pol. B49, 561 (2018) N.Cieplicka-Orynczak, C.Michelagnoli, S.Leoni, B.Fornal, G.Benzoni, A.Blanc, S.Bottoni, F.C.L.Crespi, L.W.Iskra, M.Jentschel, U.Koster, P.Mutti, N.Pietralla, E.Ruiz-Martinez, V.Werner The Low-spin Structure of 206Tl Studied by γ-ray Spectroscopy from Thermal Neutron Capture Reaction NUCLEAR REACTIONS 205Tl(n, γ)206Tl, E=thermal; measured Eγ, Iγ(θ), γγ-coin using FIPPS prompt γ-ray spectrometer (ILL); deduced 206Tl levels, J, π, especially at lower energies and low spins, relative σ(θ); calculated levels, J, π using shell model describing proton-hole and neutron-hole couplings near doubly magic 208Pb.
doi: 10.5506/aphyspolb.49.561
2018LO18 Phys.Rev. C 98, 024323 (2018) R.Lozeva, E.A.Stefanova, H.Naidja, F.Nowacki, T.Rzaca-Urban, J.Wisniewski, W.Urban, I.Ahmad, A.Blanc, G.De France, F.Didierjean, G.Duchene, H.Faust, J.P.Greene, U.Koster, P.Mutti, G.Simpson, A.G.Smith, T.Soldner, C.A.Ur New yrast and non-yrast states in 136I and medium-spin structure of 136I and 136Xe : Roles of the proton d5/2 and the neutron h9/2 orbitals beyond 132Sn NUCLEAR REACTIONS 235U, 241Pu(n, F)136I, E=thermal; measured Eγ, Iγ, γγ-coin, γγ(θ), γγ(linear pol) using the EXILL-FATIMA system, EXOGAM and EUROGAM clover HPGe detectors at ILL, Grenoble. 136I; deduced yrast and non-yrast levels, J, π, conversion coefficients, multipolarities, mixing ratios, configurations. Comparison with large scale shell-model calculations. RADIOACTIVITY 248Cm, 252Cf(SF); 136Te, 136I(β-)[136Te from 235U(n, F), E=thermal followed by separation of 136Te using Lohengrin fission-fragment separator at Grenoble, and 136I from 136Te decay]; measured Eγ, Iγ, γγ-coin, γγ(θ), γγ(lin pol). 136I, 136Xe; deduced levels, J, π, conversion coefficients, multipolarities, mixing ratios, configurations, Gamow-Teller strengths. Comparison with large scale shell-model calculations.
doi: 10.1103/PhysRevC.98.024323
2018RZ01 Phys.Rev. C 98, 064315 (2018) T.Rzaca-Urban, W.Urban, M.Czerwinski, J.Wisniewski, A.Blanc, H.Faust, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.S.Simpson, C.A.Ur Low-spin excitations in 97Zr NUCLEAR REACTIONS 96Zr(n, γ), E=cold or thermal; measured Eγ, Iγ, γγ-coin, γγ(θ) using the EXILL HPGe array at the PF1B cold-neutron facility of ILL, Grenoble. 97Zr; deduced levels, J, π, multipolarities, mixing ratios, S(n), configurations. Comparison with previous experimental values. 27Al, 35Cl, 91Zr(n, γ), E=cold or thermal; measured Eγ, Iγ, data used for calibration purpose. 28Al, 92,97Zr; deduced S(n) and compared with literature values. RADIOACTIVITY 97,97mY(β-)[from 235U(n, F) using Lohengrin fission-fragment separator of the ILL]; measured Eγ, Iγ, γγ-coin, γγ(θ), γγ(linear polarization) using the EXILL Ge array. 97Zr; deduced levels, J, π, multipolarities, mixing ratios. 97Sr, 88Br(IT); measured isomer half-lives of 830-keV isomer in 97Sr, and 270-keV isomer in 88Br by γ(t).
doi: 10.1103/PhysRevC.98.064315
2018WI06 Acta Phys.Pol. B49, 547 (2018) J.Wisniewski, W.Urban, T.Rzaca-Urban, U.Koster, C.Michelagnoli, M.Jentschel, P.Mutti Evolution of γ Collectivity - (n, γ) Spectroscopy of 98Mo with FIPPS* NUCLEAR REACTIONS 97Mo(n, γ), E=thermal; measured Eγ, Iγ, γγ-coin using Ge Clover detectors of new instrument FIPPS; deduced γ-ray energy spectrum gated on 787.4 and 5680.0 keV lines, new γ-ray lines; deduced 97Mo gs (5/2)+ allowing measurements γ-band properties, partial γ transitions of 98Mo, levels, J, π angular correlations of cascading γ-rays, mixing ratios, evolution of collectivity in Mo isotopes in its early stage.
doi: 10.5506/aphyspolb.49.547
2017AN15 Phys.Rev. C 96, 054323 (2017) S.Ansari, J.-M.Regis, J.Jolie, N.Saed-Samii, N.Warr, W.Korten, M.Zielinska, M.-D.Salsac, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.S.Simpson, F.Drouet, A.Vancraeyenest, G.de France, E.Clement, O.Stezowski, C.A.Ur, W.Urban, P.H.Regan, Zs.Podolyak, C.Larijani, C.Townsley, R.Carroll, E.Wilson, H.Mach, L.M.Fraile, V.Paziy, B.Olaizola, V.Vedia, A.M.Bruce, O.J.Roberts, J.F.Smith, M.Scheck, T.Kroll, A.-L.Hartig, A.Ignatov, S.Ilieva, S.Lalkovski, N.Marginean, T.Otsuka, N.Shimizu, T.Togashi, Y.Tsunoda Experimental study of the lifetime and phase transition in neutron-rich 98, 100, 102Zr NUCLEAR REACTIONS 235U(n, F), 241Pu(n, F), E=cold neutrons beam from PF1B, Institut Laue-Langevin (ILL), Grenoble; measured Eγ, γγ-coin, half-lives of the first 2+, 4+ and 6+ levels by fast-timing technique using the EXILL-FATIMA array consisting of eight EXOGAM clovers and 16 LaBr3(Ce) scintillators; fast-timing coincidence events analyzed using method of mirror symmetric centroid difference (MSCD) and generalized centroid difference method (GCDM). 98,100,102Zr; deduced levels, B(E2). Comparison with Interacting Boson model and Monte-Carlo shell-model calculations, and with previous experimental results. Systematics of B(E2) values for the first 2+, 4+ and 6+ states in 96,98,100,102,104,106Zr.
doi: 10.1103/PhysRevC.96.054323
2017BO09 Acta Phys.Pol. B48, 595 (2017) G.Bocchi, S.Leoni, B.Fornal, G.Colo, P.F.Bortignon, D.Bazzacco, A.Blanc, S.Bottoni, N.Cieplicka-Orynczak, F.C.L.Crespi, G.De France, M.Jentschel, U.Koster, C.Michelagnoli, P.Mutti, J.-M.Regis, G.Simpson, T.Soldner, B.Szpak, C.A.Ur, W.Urban Interplay Between Particle and Core Excitations in 133Sb NUCLEAR REACTIONS 235U, 241Pu(n, f), E=cold; measured fission fragments both prompt and delayed Eγ, Iγ(t), (fragment)γ-coin, γγ-coin. 133Sb; deduced high-spin γ transitions 13/2+ and 15/2+ isomers T1/2, levels, J, π above 16.6 ms (21/2)+, state (4526 keV), B(M1) for (15/2)+ to (13/2)+ to (11/2)+, depopulation of the (21/2)+ isomer; calculated levels configuration, B(M1) for (15/2)+ to (13/2)+ to (11/2)+ using new "hybrid" microscopic model including couplings to different types of core excitation. Compared with "pure" shell model calculation.
doi: 10.5506/APhysPolB.48.595
2017CH51 Phys.Lett. B 775, 190 (2017) A.Chebboubi, G.Kessedjian, O.Litaize, O.Serot, H.Faust, D.Bernard, A.Blanc, U.Koster, O.Meplan, P.Mutti, C.Sage Kinetic energy dependence of fission fragment isomeric ratios for spherical nuclei 132Sn NUCLEAR REACTIONS 235U(n, F)132Sn/132Te, E thermal; measured fission products, Eγ, Iγ; deduced γ-ray energies, isomeric ratios. Comparison with FIFRELIN code calculations.
doi: 10.1016/j.physletb.2017.10.067
2017CI02 Acta Phys.Pol. B48, 577 (2017) N.Cieplicka-Orynczak, G.Bocchi, S.Leoni, B.Fornal, S.Bottoni, M.Jentschel, U.Koster, P.Mutti, T.Soldner, A.Blanc, G.De France, G.S.Simpson, A.Turler, W.Urban, C.A.Ur Study of 41Ca via Cold Neutron Capture NUCLEAR REACTIONS 40,44,46Ca(n, γ), E=cold[Ca target with strongly enriched 44Ca]; measured Eγ, Iγ, γγ-coin using high resolution γ spectroscopy employing EXILL array (46 HPGe crystals). 41Ca; deduced γ transitions, levels, J, π, two new excited states, information about coupling valence nucleon with excitation of doubly-magic core.
doi: 10.5506/APhysPolB.48.577
2017GR07 Phys.Rev. C 95, 051302 (2017) I.N.Gratchev, G.S.Simpson, G.Thiamova, M.Ramdhane, K.Sieja, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.de France, C.A.Ur, W.Urban Identification of excited states and collectivity in 88Se NUCLEAR REACTIONS 235U(n, F), E=cold neutron beam from PF1B-ILL-Grenoble; measured Eγ, Iγ, γγ-coin using EXILL array, average mass of complementary Ce nuclei. 88Se; deduced levels, J, π. Comparison with shell-model calculations, and systematics of first and second 2+ and first 4+ states in N=50-56 even-even Ge, Se, Kr and Sr isotopes. 145,146,147Ce, 86,87Se;observed γ rays.
doi: 10.1103/PhysRevC.95.051302
2017IS03 Europhys.Lett. 117, 12001 (2017) L.W.Iskra, B.Fornal, S.Leoni, G.Bocchi, A.Petrovici, C.Porzio, A.Blanc, G.De France, M.Jentschel, U.Koster, P.Mutti, J.-M.Regis, G.Simpson, T.Soldner, C.A.Ur, W.Urban, D.Bazzacco, G.Benzoni, S.Bottoni, A.Bruce, N.Cieplicka-Orynczak, F.C.L.Crespi, L.M.Fraile, W.Korten, T.Kroll, S.Lalkovski, N.Marginean, C.Michelagnoli, B.Melon, D.Mengoni, B.Million, A.Nannini, D.Napoli, Zs.Podolyak, P.H.Regan, B.Szpak New isomer in 96Y marking the onset of deformation at N = 57 NUCLEAR REACTIONS 235U, 241Pu(n, X)96Y, E thermal; measured reaction products, Eγ, Iγ; deduced γ-ray energies, intensities, J, π, isomer T1/2, negative parity states B(E2). Comparison with theoretical calculations.
doi: 10.1209/0295-5075/117/12001
2017IS04 Acta Phys.Pol. B48, 581 (2017) L.W.Iskra, G.Bocchi, B.Fornal, S.Leoni, S.Bottoni, N.Cieplicka-Orynczak, M.Jentschel, U.Koster, C.Michelagnoli, P.Mutti, T.Soldner, A.Blanc, G.De France, G.S.Simpson, C.A.Ur, W.Urban Yrast Structure Above the 9.6 s 8+ Isomer in 96Y Isotope NUCLEAR REACTIONS 235U, 241Pu(n, x), E=cold; measured fission fragments Eγ, Iγ(θ), γγ-coin with gates on complementary fission fragment using highly efficient HPGe array consisting of eight EXOGAM Clover detectors, 6 large GASP detectors and 2 ILL Clovers. 96Y; deduced levels, J, π, partial level scheme, γ transitions, angular correlation coefficients, level structure above the 8+ isomer.
doi: 10.5506/APhysPolB.48.581
2017IS12 Phys.Scr. 92, 104001 (2017) L.W.Iskra, B.Fornal, S.Leoni, G.Bocchi, A.Blanc, S.Bottoni, N.Cieplicka-Orynczak, M.Jentschel, U.Koster, C.Michelagnoli, P.Mutti, T.Soldner, G.de France, G.S.Simpson, C.A.Ur, W.Urban Medium and high spin structure in the 94Y isotope produced in fission induced by cold neutrons NUCLEAR REACTIONS 235U(n, F)94Y, E thermal; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, high spin isomers.
doi: 10.1088/1402-4896/aa842a
2017RE05 Phys.Rev. C 95, 054319 (2017); Erratum Phys.Rev. C 95, 069902 (2017) J.-M.Regis, J.Jolie, N.Saed-Samii, N.Warr, M.Pfeiffer, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.S.Simpson, F.Drouet, A.Vancraeyenest, G.de France, E.Clement, O.Stezowski, C.A.Ur, W.Urban, P.H.Regan, Zs.Podolyak, C.Larijani, C.Townsley, R.Carroll, E.Wilson, L.M.Fraile, H.Mach, V.Paziy, B.Olaizola, V.Vedia, A.M.Bruce, O.J.Roberts, J.F.Smith, M.Scheck, T.Kroll, A.-L.Hartig, A.Ignatov, S.Ilieva, S.Lalkovski, W.Korten, N.Marginean, T.Otsuka, N.Shimizu, T.Togashi, Y.Tsunoda Abrupt shape transition at neutron number N=60: B(E2) values in 94, 96, 98Sr from fast γ - γ timing NUCLEAR REACTIONS 235U(n, Fγ), E=cold neutron beam; measured Eγ, Iγ, level half-lives by fast-timing γγ(t) method using EXILL and FATIMA spectrometer at ILL-Grenoble reactor facility. 94,96,98Sr; deduced levels, B(E2)values. Comparison with previous experimental values, and with Monte Carlo Shell-model calculations.
doi: 10.1103/PhysRevC.95.054319
2017RZ01 Phys.Rev. C 95, 064302 (2017) T.Rzaca-Urban, K.Sieja, W.Urban, M.Czerwinski, A.Blanc, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.S.Simpson, C.A.Ur Structure of 90, 91Kr nuclei: Solving the puzzle of their population in fission NUCLEAR REACTIONS 235U(n, Fγ), E=cold neutrons from PF1B facility of ILL-Grenoble; measured Eγ, Iγ, γγ-coin, γγ(θ) using EXILL array of 28 pairs of the eight clover detectors. 90,91Kr; deduced levels, J, π, multipolarity, mixing ratios. 142,143,144Ba; observed γ rays from complementary fission fragments. Comparison with large-scale shell-model calculations. NUCLEAR STRUCTURE 90,91Kr; calculated levels, J, π, occupation of neutron and proton orbitals using large-scale shell-model. Systematics of positive-parity, yrare states in Z=32-44, N=52, 54 even-even nuclei.
doi: 10.1103/PhysRevC.95.064302
2017SP02 Phys.Rev. C 95, 021302 (2017) P.Spagnoletti, G.S.Simpson, R.Carroll, J.-M.Regis, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.de France, C.A.Ur, W.Urban, A.M.Bruce, F.Drouet, L.M.Fraile, L.P.Gaffney, D.G.Ghita, S.Ilieva, J.Jolie, W.Korten, T.Kroll, C.Larijani, S.Lalkovski, R.Lica, H.Mach, N.Marginean, V.Paziy, Zs.Podolyak, P.H.Regan, M.Scheck, N.Saed-Samii, G.Thiamova, C.Townsley, A.Vancraeyenest, V.Vedia, A.Gargano, P.Van Isacker Half-life of the 15/2+ state of 135I A test of E2 seniority relations NUCLEAR REACTIONS 235U(n, F)135I, E=cold neutrons at PF1B facility and high-flux reactor of the ILL-Grenoble; measured prompt Eγ, Iγ, half-life of (15/2+) state in 135I by γγ(t) using EXILL-FATIMA γ-detector array of Clover Ge and LaBr3 detectors. 135I; deduced levels, B(E2), configuration, E2 seniority relations between B(E2) values in neighboring nuclei. NUCLEAR STRUCTURE 134Te, 135I; calculated levels, J, π, B(E2) by large-scale shell-model calculations; deduced large two-body component of the E2 operator, whereas small energy shifts due to the three-body component of the effective interaction.
doi: 10.1103/PhysRevC.95.021302
2017UR03 Phys.Rev. C 96, 044333 (2017) W.Urban, M.Czerwinski, J.Kurpeta, T.Rzaca-Urban, J.Wisniewski, T.Materna, L.W.Iskra, A.G.Smith, I.Ahmad, A.Blanc, H.Faust, U.Koster, M.Jentschel, P.Mutti, T.Soldner, G.S.Simpson, J.A.Pinston, G.de France, C.A.Ur, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, I.D.Moore, J.Rissanen, A.Saastamoinen, J.Szerypo, C.Weber, J.Aysto Shape coexistence in the odd-odd nucleus 98Y: The role of the g9/2 neutron extruder NUCLEAR REACTIONS 235U(n, F), E=cold neutrons from PF1B facility at ILL Grenoble; measured Eγ, Iγ, γγ-coin, delayed γγ-coin, half-lives of several isomers in 98Y using the EXILL array at Grenoble. 98Y; deduced levels, isomers, J, π, bands, configurations, deformed and spherical isomers. RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ), γγ-coin with γ rays from fission partner 147La in 248Cm SF decay using Eurogam2 array at Grenoble and Gammasphere array at Argonne. 98Y; deduced levels, J, π, multipolarities. 98Sr, 98,98mY(β-)[from 235U(n, F), E=cold neutrons and using Lohengrin fission-fragment separator]; measured Eγ, Iγ, γγ-coin, γγ(θ), γγ(linear pol), half-lives of decays of 98Sr, 98Y and 98Y isomer, excitation energy of the 2.36-s isomer in 98Y by using JYFLTRAP Penning trap at Jyvaskyla accelerator facility, . 98Y, 98Zr; deduced levels, J, π, multipolarities, mixing ratios, β feedings, logft, configurations. Comparison of negative-parity levels in 98Y with Interacting Boson Fermion Fermion Model (IBFFM) and Quasi-Particle Rotor Model (QPRM) calculations.
doi: 10.1103/PhysRevC.96.044333
2016BA13 Acta Phys.Pol. B47, 897 (2016) P.Baczyk, W.Urban, D.Zlotowska, M.Czerwinski, T.Rzaca-Urban, M.Konieczka, A.Blanc, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.Simpson, C.Ur Near-yrast Excitations in Nucleus 83As: Tracing the Deformation in the 78Ni Region NUCLEAR REACTIONS 235U(n, F)83As, E thermal; measured reaction products, Eγ, Iγ; deduced energy levels, J, π. Comparison with Nilsson model.
doi: 10.5506/APhysPolB.47.897
2016BO19 Phys.Lett. B 760, 273 (2016) G.Bocchi, S.Leoni, B.Fornal, G.Colo, P.F.Bortignon, S.Bottoni, A.Bracco, C.Michelagnoli, D.Bazzacco, A.Blanc, G.de France, M.Jentschel, U.Koster, P.Mutti, J.-M.Regis, G.Simpson, T.Soldner, C.A.Ur, W.Urban, L.M.Fraile, R.Lozeva, B.Belvito, G.Benzoni, A.Bruce, R.Carroll, N.Cieplicka-Orynczak, F.C.L.Crespi, F.Didierjean, J.Jolie, W.Korten, T.Kroll, S.Lalkovski, H.Mach, N.Marginean, B.Melon, D.Mengoni, B.Million, A.Nannini, D.Napoli, B.Olaizola, V.Paziy, Zs.Podolyak, P.H.Regan, N.Saed-Samii, B.Szpak, V.Vedia The mutable nature of particle-core excitations with spin in the one-valence-proton nucleus 133Sb NUCLEAR REACTIONS 235U, 241Pu(n, F)133Sb, E low; measured fission products, Eγ, Iγ; deduced energy levels, J, π, level T1/2, B(Eλ). Comparison with theoretical calculations.
doi: 10.1016/j.physletb.2016.06.065
2016CI02 Phys.Rev. C 93, 054302 (2016) N.Cieplicka-Orynczak, B.Fornal, S.Leoni, D.Bazzacco, A.Blanc, G.Bocchi, S.Bottoni, G.de France, M.Jentschel, U.Koster, P.Mutti, G.Simpson, T.Soldner, B.Szpak, C.Ur, W.Urban Approaching complete low-spin spectroscopy of 210Bi with a cold-neutron capture reaction NUCLEAR REACTIONS 209Bi(n, γ), E=cold neutrons from PF1B facility; measured Eγ, Iγ, γγ-coin, γγ(θ) using EXILL array at ILL-Grenoble. 210Bi; deduced levels, J, π, configurations, branching ratios, multipolarities, mixing ratios, energy-spin distribution of states, single particle-phonon excitations. Comparison with shell-model calculations using OXBASH code. NUCLEAR STRUCTURE 210Bi; calculated levels, J, π, configurations, amplitudes using shell-model OXBASH code with residual interaction of Kuo and Herling as modified by Warburton and Brown. Comparison with the present experimental data, and with evaluated data in NuDat2 database.
doi: 10.1103/PhysRevC.93.054302
2016CI04 Phys.Rev. C 94, 014311 (2016) N.Cieplicka-Orynczak, B.Szpak, S.Leoni, B.Fornal, D.Bazzacco, A.Blanc, G.Bocchi, S.Bottoni, G.de France, M.Jentschel, U.Koster, P.Mutti, G.Simpson, T.Soldner, C.Ur, W.Urban Multipolarity of the 2- → 1-, ground-state transition in 210Bi via multivariable angular correlation analysis NUCLEAR REACTIONS 209Bi(n, γ), E=cold-neutron from PF1B facility of ILL-Greboble; measured primary and secondary Eγ, Iγ, γγ-coin, γγ(θ). 210Pb; deduced levels, J, π, E2/M1 mixing ratios, multipolarity and mixing ratio of 2- to 1-, 320-keV transition by minimization of a multivariable χ2 cost function procedure applied to γγ(θ) data, capture σ; estimated production of 210Po daughter, and short-term radiotoxicity of nuclear reactors or accelerator driven systems with Pb-Bi coolant.
doi: 10.1103/PhysRevC.94.014311
2016CZ01 Phys.Rev. C 93, 034318 (2016) M.Czerwinski, T.Rzaca-Urban, W.Urban, P.Baczyk, K.Sieja, J.Timar, B.M.Nyako, I.Kuti, T.G.Tornyi, L.Atanasova, A.Blanc, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.S.Simpson, C.A.Ur Neutron-proton multiplets in the odd-odd nucleus9037Rb53 NUCLEAR REACTIONS 235U(n, F), E=cold neutrons; measured Eγ, Iγ, γγ-coin, γγ(θ), level half-lives, γγγ-coincidences between transitions from 90Rb and from complementary fission fragments 143Cs and 144Cs using EXOGAM array at ILL-Grenoble. 90Rb; deduced medium-spin levels, J, π, multipolarities and mixing ratios, configurations, seniority-3 coupling in N=53 isotones and its absence in N=51 isotones. Comparison with shell-model calculations. NUCLEAR STRUCTURE 88,90Rb; calculated levels, J, π using shell-model. Comparison with experimental values.
doi: 10.1103/PhysRevC.93.034318
2016IL01 Phys.Rev. C 94, 034302 (2016) S.Ilieva, Th.Kroll, J.-M.Regis, N.Saed-Samii, A.Blanc, A.M.Bruce, L.M.Fraile, G.de France, A.-L.Hartig, C.Henrich, A.Ignatov, M.Jentschel, J.Jolie, W.Korten, U.Koster, S.Lalkovski, R.Lozeva, H.Mach, N.Marginean, P.Mutti, V.Paziy, P.H.Regan, G.S.Simpson, T.Soldner, M.Thurauf, C.A.Ur, W.Urban, N.Warr Measurement of picosecond lifetimes in neutron-rich Xe isotopes NUCLEAR REACTIONS 235U, 241Pu(n, F), E=cold neutron; measured Eγ, Iγ, γγ-coin, level half-lives for the first 2+, 4+ and 6+ states by γγ(t) and recoil-distance Doppler shift method using plunger device. EXILL and FATIMA detector arrays used at ILL-Grenoble facility. 138,140,142Xe; deduced levels, J, π, B(E2). Comparison with previous experimental results, and shell-model calculations. Systematics of B(E2) values for the first 2+ states in 132,134,136,138,140,142,144Xe.
doi: 10.1103/PhysRevC.94.034302
2016UR03 Phys.Rev. C 94, 011302 (2016) W.Urban, U.Koster, M.Jentschel, P.Mutti, B.Markisch, T.Rzaca-Urban, Ch.Bernards, Ch.Fransen, J.Jolie, T.Thomas, G.S.Simpson Precise measurement of energies in 115Sn following the (n, γ) reaction NUCLEAR REACTIONS 114Sn(n, γ), E=cold neutrons; measured primary and secondary Eγ, γγ-coin using eight large Ge detectors at PF1B facility of ILL-Grenoble. 115Sn; deduced levels, S(n). RADIOACTIVITY 115In(β-); deduced precise Q(β-) for a highly-forbidden β- transition from 115In g.s. parent to a 497, 3/2+ level in 115Sn using precisely measured masses of relevant nuclides and precise energy measurement of the 497.3-keV level in 115Sn from (n, γ).
doi: 10.1103/PhysRevC.94.011302
2016UR04 Phys.Rev. C 94, 044328 (2016) W.Urban, K.Sieja, T.Materna, M.Czerwinski, T.Rzaca-Urban, A.Blanc, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.S.Simpson, C.A.Ur, C.Bernards, C.Fransen, J.Jolie, J.-M.Regis, T.Thomas, N.Warr Low-spin structure of 8635Br51 and 8636Kr50 nuclei: The role of the g7/2 neutron orbital RADIOACTIVITY 86Se, 86Br(β-)[from 235U(n, γ), E=thermal neutrons from PF1B-ILL-Grenoble facility using Lohengrin fission-fragment separator]; measured Eγ, Iγ, γγ-coin for both decays, γγ(θ) and γγ(linear polarization) for 86Br decay using EXILL array of Ge detectors. 86Br, 86Kr; deduced levels, J, π, conversion coefficients, multipolarities, β feedings, logft. Comparison with large-scale shell-model calculations with refined interactions. NUCLEAR REACTIONS 235U(n, γ), E=thermal neutrons from PF1B-ILL-Grenoble facility; measured Eγ, Iγ, γγ-coin using EXILL array of Ge detectors, level half-life by γγ(t). 86Br; deduced levels, J, π, B(M2), B(E3).
doi: 10.1103/PhysRevC.94.044328
2015BA14 Phys.Rev. C 91, 047302 (2015) P.Baczyk, W.Urban, D.Zlotowska, M.Czerwinski, T.Rzaca-Urban, A.Blanc, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.Simpson, C.A.Ur Near-yrast excitations in nucleus 83As: Tracing the πg9/2 orbital in the 78Ni region NUCLEAR REACTIONS 235U(n, F), E=cold neutrons; measured Eγ, Iγ, γγ-, γ(x ray)-coin, γγ(θ) using EXILL array at ILL-Grenoble facility. 83As; deduced levels, J, π, multipolarity, configuration. Comparison with available shell-model calculations, and with systematics of 9/2+ and 5/2- levels in N=30-50 Cu, Ga, As, Br and Rb nuclei.
doi: 10.1103/PhysRevC.91.047302
2015BO03 Acta Phys.Pol. B46, 647 (2015) G.Bocchi, S.Leoni, S.Bottoni, A.Blanc, G.De France, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.Simpson, C.Ur, W.Urban Study of Low-spin States in Ca Isotopes via Neutron Capture Reactions NUCLEAR REACTIONS Ca(n, X)41Ca/45Ca/49Ca/49Sc, E low; measured reaction products, Eγ, Iγ; deduced energy levels, J, π. Comparison with theoretical calculations.
doi: 10.5506/APhysPolB.46.647
2015CZ01 Phys.Rev. C 92, 014328 (2015) M.Czerwinski, T.Rzaca-Urban, W.Urban, P.Baczyk, K.Sieja, B.M.Nyako, J.Timar, I.Kuti, T.G.Tornyi, L.Atanasova, A.Blanc, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.S.Simpson, C.A.Ur Neutron-proton multiplets in the nucleus 88Br NUCLEAR REACTIONS 235U(n, F), E=cold neutrons; measured Eγ, Iγ, γγ-coin, γγ-coin with γ rays from complementary fission fragments 145,146La, delayed γ spectra, level half-lives by γ(t), γγ(θ) using EXILL array of Ge detectors at the PF1B facility of ILL-Grenoble. 95,97Sr; measured level half-lives of isomers by γγ(t). 145,146La; measured Eγ, γγ-coin. 88Br; deduced levels, J, π, multipolarity, mixing ratio, configurations, single-particle estimates of partial half-lives for decay branches of the 1787.3-keV level, proton-neutron multiplets. Comparison with detailed shell-model calculations, and with levels in 86Br.
doi: 10.1103/PhysRevC.92.014328
2015DE29 Pramana 85, 467 (2015) G.De France, A.Blanc, F.Drouet, M.Jentschel, U.Koster, P.Mutti, J.M.Regis, G.Simpson, T.Soldner, O.Stezowski, S.Leoni, W.Urban, A.Vancrayenest The EXILL campaign NUCLEAR REACTIONS 77Se, 194Pt, 209Bi(n, γ), E not given; measured reaction products, Eγ, Iγ; deduced γ-transition energies, B(E2) values.
doi: 10.1007/s12043-015-1065-x
2015JO01 Nucl.Phys. A934, 1 (2015) J.Jolie, J.-M.Regis, D.Wilmsen, N.Saed-Samii, M.Pfeiffer, N.Warr, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.S.Simpson, G.De France, W.Urban, F.Drouet, A.Vancraeyenest, A.M.Bruce, O.J.Roberts, L.M.Fraile, V.Paziy, A.Ignatov, S.Kisyov, S.Lalkovski, Zs.Podolyak, P.H.Regan, E.Wilson, W.Korten, C.A.Ur, R.Lica, N.Marginean Test of the SO(6) selection rule in 196Pt using cold-neutron capture NUCLEAR REACTIONS 195Pt(n, γ), E=cold; measured Eγ, Iγ(t), γγ-coin using EXOGAM Ge detectors and fast LaBr3(Ce) scintillators. 196Pt deduced levels, J, π, 0+3 state B(E2), T1/2 limit, decay selection rules.
doi: 10.1016/j.nuclphysa.2014.11.008
2015LE03 Acta Phys.Pol. B46, 637 (2015) S.Leoni, G.Bocchi, S.Bottoni, D.Bazzacco, N.Cieplicka, B.Fornal, B.Szpak, C.Michelagnoli, A.Blanc, G.De France, M.Jentschel, U.Koster, R.Lozeva, P.Mutti, T.Soldner, G.Simpson, C.Ur, W.Urban Particle-core Couplings Close to Neutron-rich Doubly-magic Nuclei NUCLEAR REACTIONS 235U, 241Pu(n, F)132Te/133Sb/130Sn/210Bi, E low; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, partial level scheme.
doi: 10.5506/APhysPolB.46.637
2014RE15 Phys.Rev. C 90, 067301 (2014) J.-M.Regis, J.Jolie, N.Saed-Samii, N.Warr, M.Pfeiffer, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.S.Simpson, F.Drouet, A.Vancraeyenest, G.de France, E.Clement, O.Stezowski, C.A.Ur, W.Urban, P.H.Regan, Zs.Podolyak, C.Larijani, C.Townsley, R.Carroll, E.Wilson, L.M.Fraile, H.Mach, V.Paziy, B.Olaizola, V.Vedia, A.M.Bruce, O.J.Roberts, J.F.Smith, T.Kroll, A.-L.Hartig, A.Ignatov, S.Ilieva, M.Thurauf, S.Lalkovski, D.Ivanova, S.Kisyov, W.Korten, M.-D.Salsac, M.Zielinska, N.Marginean, D.G.Ghita, R.Lica, C.M.Petrache, A.Astier, R.Leguillon B(E2;2+1 → 0+1) value in 90Kr NUCLEAR REACTIONS 235U(n, F), E=cold; measured prompt-fission Eγ, γγγ-coin, half-life of first 2+ state in 90Kr by fast timing technique using segmented array of Ge and Ce-doped LaBr3 detectors (EXILL and FATIMA) at ILL, Grenoble facility. 90Kr; deduced level, B(E2) of first 2+ state. Systematics of B(E2) values of first 2+ states in 86,88,90,92,94,96Kr. Comparison with IBM-2 calculations.
doi: 10.1103/PhysRevC.90.067301
2014RE16 Nucl.Instrum.Methods Phys.Res. A763, 210 (2014) J.-M.Regis, G.S.Simpson, A.Blanc, G.de France, M.Jentschel, U.Koster, P.Mutti, V.Paziy, N.Saed-Samii, T.Soldner, C.A.Ur, W.Urban, A.M.Bruce, F.Drouet, L.M.Fraile, S.Ilieva, J.Jolie, W.Korten, T.Kroll, S.Lalkovski, H.Mach, N.Marginean, G.Pascovici, Zs.Podolyak, P.H.Regan, O.J.Roberts, J.F.Smith, C.Townsley, A.Vancraeyenest, N.Warr Germanium-gated γ-γ fast timing of excited states in fission fragments using the EXILL and FATIMA spectrometer NUCLEAR REACTIONS 235U(n, F), E cold; 35Cl, 48Ti(n, γ), E thermal; measured reaction products, Eγ, Iγ. 100Zr; deduced energy levels, J, π, T1/2. Comparison with available data.
doi: 10.1016/j.nima.2014.06.004
2013UR01 Phys.Rev. C 87, 031304 (2013) W.Urban, M.Jentschel, R.F.Casten, J.Jolie, Ch.Bernards, B.Maerkisch, Th.Materna, P.Mutti, L.Prochniak, T.Rzaca-Urban, G.S.Simpson, V.Werner, S.Ahmed 02+ band in 102Ru and the evolution of nuclear deformation in Ru isotopes NUCLEAR REACTIONS 101Ru(n, γ), E=cold neutrons; measured Eγ, Iγ, γγ-coin, γγ(θ) using PF1B cold-neutron facility and GAMS5 spectrometer at Grenoble. 102Ru; deduced levels, J, π, bands, multipolarity, mixing ratio, interaction pattern between 0+ states. Systematics of 0+2 bands and other low-lying levels in Ru isotopes from N=50-66.
doi: 10.1103/PhysRevC.87.031304
2011BO24 Phys.Rev. C 84, 044326 (2011) H.G.Borner, R.F.Casten, M.Jentschel, P.Mutti, W.Urban, N.V.Zamfir 102Ru: A pivotal nucleus in the A ∼ 100 region NUCLEAR REACTIONS Ru(n, γ)102Ru, E=thermal; measured Eγ, Doppler shift using Gamma-ray Induced Doppler broadening (GRID) technique using GAMS4 spectrometer. 102Ru; deduced levels, J, π, half-life, B(E2). GRID lifetime technique. Comparison with predictions of vibrational model. N=52-66, Z=38-50; systematics of first 2+ energies and ratio R(4/2) of first 4+ and first 2+ energies.
doi: 10.1103/PhysRevC.84.044326
2011JE04 Phys.Rev. C 84, 052501 (2011) M.Jentschel, W.Urban, P.Mutti, P.Courtois, G.S.Simpson, R.Frahm Measurements of the pair production cross section close to the threshold energy NUCLEAR REACTIONS 155Gd(n, γ)156Gd, E=thermal; measured Eγ, Iγ, γ spectrum from pair production; deduced e+e- pair production cross sections by photons of Eγ=1040-1530 keV. Comparison with theoretical predictions of Bethe-Heitler model. Bragg diffraction technique using GAMS spectrometer to select γ rays above 1022 keV. Pair spectrometer for γ rays from pair production.
doi: 10.1103/PhysRevC.84.052501
2011NO13 Nucl.Phys. A870-871, 131 (2011) G.Noguere, O.Litaize, P.Archier, C.De Saint Jean, P.Mutti Average radiation widths of levels in natural xenon isotopes NUCLEAR REACTIONS 124,126,128,129,130,131,132,134,136Xe(n, γ), (n, n'), E=3-4000 eV; calculated, re-analyzed neutron resonance data using R-matrix, deduced resonance parameters, level density, radiation width. Shape-analysis code REFIT, data codes CONRAD, SAMMY.
doi: 10.1016/j.nuclphysa.2011.09.004
2010LE01 Appl.Radiat.Isot. 68, 432 (2010) A.Letourneau, F.Marie, P.Mutti, I.Al Mahamid Emission probabilities of γ-rays from 238Np and their use for determination of the thermal neutron capture cross section of 237Np RADIOACTIVITY 238Np, 60Co(β-), 237Np, 238Pu(α); measured Eγ, Iγ, Eα, Iα; deduced γ-ray emission probabilities from β--decay of 238Np. NUCLEAR REACTIONS 237Np, 59Co(n, γ), E not given; measured Eγ, Iγ; deduced σ.
doi: 10.1016/j.apradiso.2009.11.038
2006BO10 Phys.Rev. C 73, 034314 (2006) H.G.Borner, P.Mutti, M.Jentschel, N.V.Zamfir, R.F.Casten, E.A.McCutchan, R.Krucken Low-energy phonon structure of 150Sm NUCLEAR REACTIONS 149Sm(n, γ), E=thermal; measured Eγ, Iγ. 150Sm deduced levels, J, π, T1/2, B(E2), phase transition features. Gamma-ray-induced Doppler broadening technique, GAMS4 spectrometer, comparison with IBA model predictions.
doi: 10.1103/PhysRevC.73.034314
2006DE21 Phys.Rev. C 73, 044303 (2006) M.S.Dewey, E.G.Kessler, Jr., R.D.Deslattes, H.G.Borner, M.Jentschel, C.Doll, P.Mutti Precision measurement of the 29Si, 33S, and 36Cl binding energies NUCLEAR REACTIONS 28Si, 32S, 35Cl(n, γ), E=reactor; measured Eγ, Iγ. 29Si, 33S, 36Cl deduced binding energies. Flat-crystal spectrometer.
doi: 10.1103/PhysRevC.73.044303
2006LE14 Ann.Nucl.Energy 33, 377 (2006) A.Letourneau, G.Fioni, F.Marie, D.Ridikas, P.Mutti Measurement of the 210Po production induced by thermal neutron capture on 209Bi NUCLEAR REACTIONS 209Bi(n, γ), E=thermal; measured σ. Activation technique, comparison with previous results. RADIOACTIVITY 210Po(α) [from 209Bi(n, γ)210Bi(β-)]; measured Eα, Eγ. 206Pb deduced transition.
doi: 10.1016/j.anucene.2005.11.005
2006MA01 Nucl.Instrum.Methods Phys.Res. A556, 547 (2006) F.Marie, A.Letourneau, G.Fioni, O.Deruelle, Ch.Veyssiere, H.Faust, P.Mutti, I.Al Mahamid, B.Muhammad Thermal neutron capture cross-section measurements of 243Am and 242Pu using the new mini-INCA α- and γ-spectroscopy station NUCLEAR REACTIONS 243Am, 242Pu(n, γ), E=thermal; measured delayed Eγ, Eα; deduced σ. Comparison with previous results.
doi: 10.1016/j.nima.2005.10.125
2005RA34 Nature(London) 438, 1096 (2005) S.Rainville, J.K.Thompson, E.G.Myers, J.M.Brown, M.S.Dewey, E.G.Kessler, R.D.Deslattes, H.G.Borner, M.Jentschel, P.Mutti, D.E.Pritchard A direct test of E=mc2 ATOMIC MASSES 28,29Si, 32,33S; measured mass ratios. Penning trap.
doi: 10.1038/4381096a
2002CO01 Nucl.Phys. A697, 581 (2002) F.Corvi, G.Fioni, F.Gunsing, P.Mutti, L.Zanini Resonance Neutron Capture in 60Ni below 450 keV NUCLEAR REACTIONS 60Ni(n, γ), E=1-450 keV; measured capture σ; deduced resonance parameters, Maxwellian averaged cross section, partial capture width distributions.
doi: 10.1016/S0375-9474(01)01267-2
2002ZA07 Phys.Rev. C65, 067305 (2002) N.V.Zamfir, H.G.Borner, N.Pietralla, R.F.Casten, Z.Berant, C.J.Barton, C.W.Beausang, D.S.Brenner, M.A.Caprio, J.R.Cooper, A.A.Hecht, M.Krticka, R.Krucken, P.Mutti, J.R.Novak, A.Wolf Lifetime and B(E2) Values for the 31+ Level in 152Sm NUCLEAR REACTIONS 151Sm(n, γ), E=reactor; measured Doppler-broadened Eγ, Iγ. 152Sm level deduced T1/2, B(E2), phase coexistence. Gamma-ray induced Doppler broadening technique. RADIOACTIVITY 152Eu(EC); measured γγ-coin, γ-ray polarization. 152Sm transition deduced δ.
doi: 10.1103/PhysRevC.65.067305
2000CO25 Trans.Bulg.Nucl.Soc. 5, 41 (2000) Resonance Neutron Capture Investigations at GELINA
1997BE37 Astrophys.J. 474, 843 (1997) Neutron Capture of the Bottleneck Isotopes 138Ba and 208Pb, s-Process Studies, and the r-Process Abundance Distribution NUCLEAR REACTIONS 138Ba, 208Pb(n, γ), E<200 keV; measured neutron capture σ; deduced resonance parameters. Tof, pulsed beam. Astrophysical s-, r-process implications.
doi: 10.1086/303480
1997MU18 Nucl.Phys. A621, 262c (1997) P.Mutti, F.Corvi, K.Athanassopulos, H.Beer The Stellar Capture Rate of 136Ba NUCLEAR REACTIONS 136Ba(n, γ), E < 60 keV; measured resonance capture areas gΓnΓγ/Γ; deduced averaged neutron capture σ. Astrophysical s-process implications.
doi: 10.1016/S0375-9474(97)00251-0
Back to query form |