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NSR database version of May 24, 2024.

Search: Author = M.Jentschel

Found 81 matches.

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2023GA30      Phys.Rev. C 108, 064301 (2023)

E.R.Gamba, S.Bottoni, L.W.Iskra, C.Zavaglia, S.Leoni, B.Fornal, N.Cieplicka-Orynczak, G.Benzoni, G.Colombi, F.C.L.Crespi, A.Esmaylzadeh, M.Jentschel, J.Jolie, V.Karayonchev, Y.H.Kim, L.Knafla, U.Koster, M.Ley, N.Marginean, R.Marginean, C.Michelagnoli, M.Polettini, C.Porzio, J-.M.Regis, D.Reygadas, A.Turturica

Lifetime measurements in 96Rb via fast-timing techniques: Investigating shape coexistence at A ∼ 100

doi: 10.1103/PhysRevC.108.064301
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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
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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
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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
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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
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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
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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
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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
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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
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2020CR02      Eur.Phys.J. A 56, 94 (2020)

F.C.L.Crespi, N.Cieplicka-Orynczak, M.Jentschel, F.Kandzia, Y.H.Kim, U.Koster, S.Leoni, C.Michelagnoli, S.Ziliani

GRIDSA: femtosecond lifetime measurements with germanium detector arrays

NUCLEAR REACTIONS 35Cl(n, γ), E thermal; measured reaction products, Eγ, Iγ, γ-γ-coin. 36Cl; deduced γ-ray energies, level T1/2, two-step γ cascades. Comparison with ENSDF library. The Gamma Ray Induced Doppler Shift Attenuation (GRIDSA) method, the FIPPS HPGe-detectors, the in-pile position of the ILL reactor.

doi: 10.1140/epja/s10050-020-00088-x
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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
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2020KA46      Eur.Phys.J. A 56, 207 (2020)

F.Kandzia, G.Belier, C.Michelagnoli, J.Aupiais, M.Barani, J.Dudouet, Ch.E.Dullmann, L.W.Iskra, M.Jentschel, Y.H.Kim, U.Koster, A.Turturica

Development of a liquid scintillator based active fission target for FIPPS

NUCLEAR REACTIONS 233,235U(n, F)134Te, E not given; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π.

doi: 10.1140/epja/s10050-020-00201-0
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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
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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
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2020KR05      Nucl.Phys. A1000, 121870 (2020)

T.Krasta, L.Simonova, D.Riekstina, M.Jentschel

New rotational levels in 186Re nucleus

NUCLEAR REACTIONS 185Re(n, γ), E thermal; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π. Comparison with quasiparticle-plus-rotor model calculations, available data. High-resolution crystal diffraction spectrometer GAMS5 of ILL.

doi: 10.1016/j.nuclphysa.2020.121870
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2020MA37      Phys.Rev.Lett. 125, 102502 (2020)

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

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

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

doi: 10.1103/PhysRevLett.125.102502
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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
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2019BE15      Phys.Rev. C 99, 044001 (2019)

T.Belgya, S.B.Borzakov, M.Jentschel, B.Maroti, Yu.N.Pokotilovski, L.Szentmiklosi

Experimental search for the bound-state singlet deuteron in the radiative n-p capture

NUCLEAR REACTIONS 1H(n, γ), E=slow; measured Eγ, Iγ; deduced σ upper limit for singlet deuteron production using HPGe detectors at the Prompt Gamma Activation Analysis (PGAA)0 facility, Budapest Neutron Center; deduced no evidence for the two-photon transition in the np capture with one of γ rays in the 2100-2210 keV region, and upper limit for the cross section of the singlet deuteron production. Comparison with theoretical predictions.

doi: 10.1103/PhysRevC.99.044001
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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
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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
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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
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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
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2018AP03      Phys.Rev. C 98, 034303 (2018)

A.Aprahamian, R.C.de Haan, S.R.Lesher, C.Casarella, A.Stratman, H.G.Borner, H.Lehmann, M.Jentschel, A.M.Bruce

Lifetime measurements in 156Gd

NUCLEAR REACTIONS 155Gd(n, γ), E=thermal; measured Eγ, Iγ, level half-lives by GRID technique for the broadening of decay γ-ray lines using GAMS4 double-flat-crystal spectrometer at the Institut Laue-Langevin (ILL-Grenoble) High Flux Reactor. 156Gd; deduced levels, J, π, B(E2), B(E1), intrinsic quadrupole moments, dynamic moments of inertia of the K=0+, 2+, 4+ bands. Systematics of levels, two-neutron and two-proton pairing gaps in 154,156,158,160Gd. Comparison with previous experimental values, and with partial dynamical symmetry (PDS), and 5DCH predictions.

doi: 10.1103/PhysRevC.98.034303
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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
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2018JE02      Nat.Phys. 14, 524 (2018)

M.Jentschel, K.Blaum

Balancing energy and mass with neutrons

doi: 10.1038/s41567-018-0132-x
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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
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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
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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
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2017AP01      Phys.Rev. C 95, 024329 (2017)

A.Aprahamian, S.R.Lesher, C.Casarella, H.G.Borner, M.Jentschel

Lifetime measurements in 162Dy

NUCLEAR REACTIONS Dy(n, γ), E=thermal neutrons from high flux reactor at the ILL-Grenoble; measured Eγ, Iγ, level half-lives by Gamma-Ray-Induced Doppler (GRID) broadening technique. 162Dy; deduced levels, bands, B(E2), B(E1), B(M1), collective quadrupole and octupole vibrational excitations. Comparison with Alaga rule predictions. Systematics of energies and B(E2) values for second 0+ and 2+ states in even-even Z=62-72 and N=84-100 nuclei.

doi: 10.1103/PhysRevC.95.024329
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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2016BE02      Nucl.Phys. A947, 76 (2016)

J.Berzins, T.Krasta, L.Simonova, M.Balodis, V.Bondarenko, M.Jentschel, W.Urban, I.Tomandl

Levels of 188Re nucleus populated in thermal neutron capture reaction

NUCLEAR REACTIONS 187Re(n, γ), E=thermal; measured Eγ, Iγ, γγ-coin using Ge detectors, crystal diffraction spectrometer GAMS5. 188Re deduced γ transitions, resonances observed in thermal neutron capture levels, J, π, rotational bands, branching ratios; calculated levels, J, π using QRM (Quasiparticle plus Rotor Model) and considering both axially-symmetric and non-axial deformations (below 1.2 MeV interpreted as rotational bands based on two-quasiparticle configurations).

doi: 10.1016/j.nuclphysa.2015.12.007
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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2014JE02      Phys.Scr. 89, 054017 (2014)

M.Jentschel, L.Sengele, D.Curien, J.Dudek, F.Haas

The negative parity bands in 156Gd

NUCLEAR REACTIONS 155Gd(n, γ), E thermal; measured reaction products, Eγ, Iγ; deduced energy energy levels, T1/2, B(E1), B(E2), quadrupole moments. Comparison with available data.

doi: 10.1088/0031-8949/89/5/054017
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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
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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
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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
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2011BE36      Phys.Rev. C 84, 047304 (2011)

C.Bernards, W.Urban, M.Jentschel, B.Markisch, J.Jolie, C.Fransen, U.Koster, T.Materna, G.S.Simpson, T.Thomas

γγ angular-correlation analysis of 200Hg after cold-neutron capture

NUCLEAR REACTIONS 199Hg(n, γ), E=cold; measured Eγ, Iγ, γγ-coin, γγ(θ). 200Hg; deduced levels, J, π, multipolarities, mixing ratios.

doi: 10.1103/PhysRevC.84.047304
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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
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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
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2010FE08      Phys.Lett. B 694, 22 (2010)

V.V.Fedorov, M.Jentschel, I.A.Kuznetsov, E.G.Lapin, E.Lelievre-Berna, V.Nesvizhevsky, A.Petoukhov, S.Yu.Semenikhin, T.Soldner, V.V.Voronin, Yu.P.Braginetz

Measurement of the neutron electric dipole moment via spin rotation in a non-centrosymmetric crystal

NUCLEAR MOMENTS 1n; measured En, In, neutron beam polarization; deduced polarization tensor components, neutron electric dipole moment.

doi: 10.1016/j.physletb.2010.09.033
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2010JE02      Phys.Rev.Lett. 104, 222502 (2010)

M.Jentschel, W.Urban, J.Krempel, D.Tonev, J.Dudek, D.Curien, B.Lauss, G.de Angelis, P.Petkov

Ultrahigh-Resolution γ-Ray Spectroscopy of 156Gd: A Test of Tetrahedral Symmetry

NUCLEAR REACTIONS 155Gd(n, γ), E not given; measured Eγ, Iγ; 156Gd; deduced energy levels, J, π, transition lifetime, B(E2), B(E1), quadrupole moments, odd-spin negative parity band. GAMS4/5 Bragg spectrometers.

doi: 10.1103/PhysRevLett.104.222502
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2009FE11      Nucl.Phys. A827, 538c (2009)

V.V.Fedorov, M.Jentschel, I.A.Kuznetsov, E.G.Lapin, E.Lelievre-Berna, V.Nesvizhevsky, A.Petoukhov, S.Yu.Semenikhin, T.Soldner, V.V.Voronin, Yu.P.Braginetz

Perspectives for nEDM Search by Crystal Diffraction. Test Experiment and Results

NUCLEAR STRUCTURE 1n; measured electric dipole moment.

doi: 10.1016/j.nuclphysa.2009.05.117
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2009UR01      Phys.Rev. C 79, 037304 (2009)

W.Urban, A.Zlomaniec, G.S.Simpson, H.Faust, T.Rzaca-Urban, M.Jentschel

New information on medium-spin structure of 133Sb

NUCLEAR REACTIONS 235U(n, X)133Sb, E=thermal; measured Eγ, Iγ, γγ-coin, γ(t), half-lives. 133Sb; deduced levels, J, π, configurations.

doi: 10.1103/PhysRevC.79.037304
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2007FR21      JETP Lett. 86, 225 (2007); Pisma Zh.Eksp.Teor.Fiz. 86, 255 (2007)

A.I.Frank, P.Geltenbort, M.Jentschel, G.V.Kulin, D.V.Kustov, V.G.Nosov, A.N.Strepetov

New Gravitational Experiment with Ultracold Neutrons

doi: 10.1134/S0021364007160011
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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
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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
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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
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2002AP02      Phys.Rev. C65, 031301 (2002)

A.Aprahamian, R.C.de Haan, H.G.Borner, H.Lehmann, C.Doll, M.Jentschel, A.M.Bruce, R.Piepenbring

Lifetime Measurements of Excited Kπ = 0+ Bands in 178Hf

NUCLEAR REACTIONS 177Hf(n, γ), E=thermal; measured Eγ, Iγ, Doppler shifts. 178Hf deduced levels T1/2, B(E2), configurations. Gamma-ray induced Doppler broadening technique, double flat crystal spectrometer.

doi: 10.1103/PhysRevC.65.031301
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2001BO36      Yad.Fiz. 64, No 6, 1087 (2001); Phys.Atomic Nuclei 64, 1011 (2001)

H.G.Borner, M.Jentschel

High-Resolution Gamma-Ray Spectroscopy

NUCLEAR STRUCTURE 164Dy, 158Gd; analyzed levels, J, π, B(E2), two-phonon vibrational features. Gamma-ray-induced Doppler broadening.

doi: 10.1134/1.1383607
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2000BO43      Trans.Bulg.Nucl.Soc. 5, 13 (2000)

H.G.Borner, M.Jentschel, H.Lehmann, E.G.Kessler

Ultra-High Precision Gamma-Ray Spectroscopy


2000DE26      J.Res.Natl.Inst.Stand.Technol. 105, 125 (2000)

R.C.de Haan, A.Aprahamian, H.G.Borner, C.Doll, M.Jentschel, A.M.Bruce, S.R.Lesher

Lifetime Measurements in 178Hf

NUCLEAR REACTIONS Hf(n, X)178Hf, E=reactor; measured Eγ, Iγ. 178Hf deduced levels T1/2, B(E2), vibrational excitations. Gamma-ray induced Doppler broadening technique.

doi: 10.6028/jres.105.016
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2000GE01      Nucl.Phys. A662, 3 (2000); Erratum Nucl.Phys. A669, 407 (2000)

L.Genilloud, H.G.Borner, F.Corminboeuf, Ch.Doll, S.Drissi, M.Jentschel, J.Jolie, J.Kern, H.Lehmann, N.Warr

Study of the Vibrational Nucleus 100Ru by the 98Mo(α, 2nγ) and 99Ru(n, γ) Reactions

NUCLEAR REACTIONS 98Mo(α, 2n), E=21.0, 24.7, 28.7 MeV; measured Eγ, Iγ, γγ-coin. 99Ru(n, γ), E=thermal; measured Eγ, Iγ. 100Ru deduced levels, J, π. Enriched targets, Compton-suppressed Ge detectors. Comparison with interacting boson model.

doi: 10.1016/S0375-9474(99)00354-1
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2000JE06      J.Res.Natl.Inst.Stand.Technol. 105, 25 (2000)

M.Jentschel, H.G.Borner, H.Lehmann, C.Doll

The GRID Technique: Current status and new trends

doi: 10.6028/jres.105.004
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1999AP02      J.Phys.(London) G25, 685 (1999)

A.Aprahamian, R.C.de Haan, S.R.Lesher, J.Doring, A.M.Bruce, H.G.Borner, M.Jentschel, H.Lehmann

Collective Kπ = 0+ Vibrational Excitations in 178Hf

NUCLEAR REACTIONS 177Hf(n, γ), E=thermal; measured Eγ, Iγ. 178Hf deduced levels T1/2, B(E2), collective effects. Gamma-ray induced Doppler broadening technique.

doi: 10.1088/0954-3899/25/4/020
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1999BO10      Phys.Rev. C59, 2432 (1999)

H.G.Borner, M.Jentschel, N.V.Zamfir, R.F.Casten, M.Krticka, W.Andrejtscheff

Ultrahigh Resolution Study of Collective Modes in 158Gd

NUCLEAR REACTIONS 157Gd(n, γ), E=thermal; measured Eγ, Iγ. 158Gd deduced levels J, π, T1/2, B(E2), no two-phonon vibration. Gamma-ray induced Doppler broadening technique.

doi: 10.1103/PhysRevC.59.2432
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1999KE05      Phys.Lett. 255A, 221 (1999)

E.G.Kessler, Jr., M.S.Dewey, R.D.Deslattes, A.Henins, H.G.Borner, M.Jentschel, C.Doll, H.Lehmann

The Deuteron Binding Energy and the Neutron Mass

NUCLEAR REACTIONS 1H(n, γ), E=reactor; measured Eγ, Iγ. 2H deduced binding energy. 1n deduced mass. Crystal diffraction spectrometer.

doi: 10.1016/S0375-9601(99)00078-X
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1999LE18      J.Phys.(London) G25, 827 (1999)

H.Lehmann, H.G.Borner, R.F.Casten, F.Corminboeuf, C.Doll, M.Jentschel, J.Jolie, N.V.Zamfir

On the Importance of the SU(3) Description for the Interpretation of the First Excited Kπ = 0+ Band in Deformed Nuclei

NUCLEAR STRUCTURE 164Dy, 168Er; analyzed levels T1/2; deduced excitation modes for excited 0+ bands.

doi: 10.1088/0954-3899/25/4/047
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1998LE03      Phys.Rev. C57, 569 (1998)

H.Lehmann, J.Jolie, F.Corminboeuf, H.G.Borner, C.Doll, M.Jentschel, R.F.Casten, N.V.Zamfir

Lifetimes of the Lowest 2+(K(π) = 0+) Levels in 168Er and 164Dy

NUCLEAR REACTIONS 167Er, 163Dy(n, γ), E=reactor; measured Eγ, Iγ. 168Er, 164Dy deduced levels T1/2, B(E2)B(M1), excited K(π)=0+ band configurations. Gamma-ray induced Doppler broadening technique. Several models compared.

doi: 10.1103/PhysRevC.57.569
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1997KA71      Nucl.Instrum.Methods Phys.Res. A385, 100 (1997)

T.Kahn, T.von Egidy, F.J.Hartmann, J.Ott, M.Jentschel

Gamma-Ray Induced Doppler Shift Attenuation after (n, γ) Reactions in Si and Ti

NUCLEAR REACTIONS 28Si, 48Ti(n, γ), E=reactor; measured Eγ, Iγ, γγ-coin, Doppler-shifted spectra. 29Si, 49Ti deduced levels T1/2. Gamma-ray induced Doppler shift attenuation method.

doi: 10.1016/S0168-9002(96)00823-6
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