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NSR database version of May 24, 2024.

Search: Author = T.J.Mertzimekis

Found 49 matches.

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2023BO09      J.Phys.(London) G50, 075105 (2023)

D.Bonatsos, A.Martinou, S.K.Peroulis, T.J.Mertzimekis, N.Minkov

Signatures for shape coexistence and shape/phase transitions in even-even nuclei

NUCLEAR STRUCTURE 40Ar, 40,42Ca, 70,72Ge, 72Se, 96,98Sr, 98,100Zr, 100,102Mo, 104Ru, 110Pd, 112,116Cd, 114,116,118Sn, 126Xe, 148,150Nd, 152,154Sm, 152,154,156,158Gd, 166Er, 172,174Yb, 186,192Os, 196Pt; analyzed available data; deduced systematics of B(E2) transition rates connecting the first excited 0+2 state of the ground state band in even–even nuclei, shape coexistence of the ground state band.

doi: 10.1088/1361-6471/acd70b
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2023CH13      Nucl.Phys. A1032, 122620 (2023)

A.Chalil, T.J.Mertzimekis, A.Zyriliou, P.Vasileiou, N.Florea, C.Mihai, R.Mihai, C.Nita, C.Sotty, A.Mitu, L.Stan, A.Turturica, R.Marginean, N.Marginean

On the multipole mixing ratio of the 1066 keV transition from the 0.52 μs isomer of 180Hf

RADIOACTIVITY 180Hf(IT) [from 181Ta(11B, 12C), E=47 MeV]; measured decay products, Eγ, Iγ; deduced γ-ray energies, J, π, multipolarity mixing ratio, the band-head of a rotational band. Horia Hulubei National Institute of Nuclear Physics and Engineering (IFIN-HH).

doi: 10.1016/j.nuclphysa.2023.122620
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2022BO05      Phys.Lett. B 829, 137099 (2022)

D.Bonatsos, K.E.Karakatsanis, A.Martinou, T.J.Mertzimekis, N.Minkov

Microscopic origin of shape coexistence in the N=90, Z=64 region

NUCLEAR STRUCTURE 176,178,180,182,184,186,188,190,192,194,196,198Po, 104,106,108,110,112,114,116,118,120,122,124,126,128,130Te, 70,72,74,76,78,80,82,84,86,88Zr; calculated single particle states using standard covariant density functional theory; deduced shape coexistence.

doi: 10.1016/j.physletb.2022.137099
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2022BO16      Phys.Rev. C 106, 044323 (2022)

D.Bonatsos, K.E.Karakatsanis, A.Martinou, T.J.Mertzimekis, N.Minkov

Islands of shape coexistence from single-particle spectra in covariant density functional theory

NUCLEAR STRUCTURE 68,70,90Zn, 70,72,92Ge, 72,74,92,94Se, 74,76,94,96Kr, 68,70,72,74,76,78,80,82,84,86,96,98Sr, 72,74,76,78,80,82,84,86,88,98,100Zr, 100,102Mo, 102,104Ru, 104,106Pd, 106,108Cd, 104,106,108,110,112,114,116,118,120,122,124,126,128,130,142,144,146,148Te, 144,146,148,150Xe, 146,148,150,152Ba, 148,150,152,154Ce, 150,152,154,156Nd, 152,154,156,158Sm, 154,156,158,160Gd, 156,158,160,162Dy, 158,160,162,164Er, 160,162,164,166Yb, 162,164,166,168Hf, 164,166,168,170W, 166,168,170,172Os, 170,172,174,176,178,180,182,184,186,188,190,192,194,196,198,200Pt, 172,174,176,178,180,182,184,186,188,190,192,194Hg, 174,176,178,180,182,184,186,188,190,192,194,196Pb, 176,178,180,182,184,186,188,190,192,194,196,198Po; calculated proton single-particle energy levels, potential energy surface. Covariant density functional theory with the DDME2 functional. Searched for regions with p-h excitations which are attributed to the shape coexistence. Islands of shape coexistence are identified at Z=82 and Z=50, and around the relevant neutron midshells N=104 and N=66.

doi: 10.1103/PhysRevC.106.044323
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2021MA25      Eur.Phys.J. A 57, 84 (2021)

A.Martinou, D.Bonatsos, T.J.Mertzimekis, K.E.Karakatsanis, I.E.Assimakis, S.K.Peroulis, S.Sarantopoulou, N.Minkov

The islands of shape coexistence within the Elliott and the proxy-SU(3) Models

NUCLEAR STRUCTURE N=120-190; analyzed available data; deduced nucleon number systematics.

doi: 10.1140/epja/s10050-021-00396-w
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2021VA10      Nucl.Phys. A1015, 122298 (2021)

P.Vasileiou, T.J.Mertzimekis, A.Chalil, C.Fakiola, I.Karakasis, A.Kotsovolou, S.Pelonis, A.Zyriliou, M.Axiotis, A.Lagoyannis

An investigation of radiative proton-capture reactions in the Cd-In mass region

NUCLEAR REACTIONS 112,114Cd(p, γ), E=3-4 MeV; measured reaction products, Eγ, Iγ; deduced σ, S-factors, γ-ray energies. Comparison with the Hauser-Feshbach statistical model have been performed with the latest TALYS-1.95 code.

doi: 10.1016/j.nuclphysa.2021.122298
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2536.


2019KH12      Europhys.Lett. 128, 62001 (2019)

A.Khaliel, T.J.Mertzimekis, F.C.L.Crespi, G.Zagoraios, D.Papaioannou, N.Florea, A.Turturica, L.Stan, N.Marginean

Experimental study of the 2n-transfer reaction 138Ba(18O, 16O)140Ba in the projectile energy range 61-67 MeV

NUCLEAR REACTIONS 138Ba(18O, 16O)140Ba, E=61-67 MeV; measured reaction products, Eγ, Iγ; deduced relative σ, γ-ray energies, J, π. Comparison with available data.

doi: 10.1209/0295-5075/128/62001
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2019PS01      Phys.Rev. C 99, 065807 (2019)

A.Psaltis, A.Khaliel, E.-M.Assimakopoulou, A.Kanellakopoulos, V.Lagaki, M.Lykiardopoulou, E.Malami, P.Tsavalas, A.Zyriliou, T.J.Mertzimekis

Cross-section measurements of radiative proton-capture reactions in 112Cd at energies of astrophysical interest

NUCLEAR REACTIONS 112Cd(p, γ)113In, E=2.8, 3.0, 3.2, 3.4 MeV; measured x-ray fluorescence spectrum of the target, Eγ, Iγ, γ(θ) of measured absolute yields, σ(E) for ground and isomeric states in 113Cd, isomeric ratios, total production σ(E) using in-beam and activation techniques at the 5.5 MV Tandem Van de Graaff accelerator of the NCSR Demokritos in Athens. 113In; deduced levels, astrophysical S factors. 112Cd(p, n), E=3-8 MeV; calculated total σ(E) by Hauser-Feshbach methodology using TALYS code, and compared with experimental data.

doi: 10.1103/PhysRevC.99.065807
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2018XU05      Phys.Lett. B 782, 619 (2018)

Z.Y.Xu, H.Heylen, K.Asahi, F.Boulay, J.M.Daugas, R.P.de Groote, W.Gins, O.Kamalou, A.Koszorus, M.Lykiardopoulou, T.J.Mertzimekis, G.Neyens, H.Nishibata, T.Otsuka, R.Orset, A.Poves, T.Sato, C.Stodel, J.C.Thomas, N.Tsunoda, Y.Utsuno, M.Vandebrouck, X.F.Yang

Nuclear moments of the low-lying isomeric 1+ state of 34Al: Investigation on the neutron 1p1h excitation across N=20 in the island of inversion

NUCLEAR MOMENTS 32,34Al; measured transition frequencies using β-NMR/NQR techniques; deduced nuclear g factor and quadrupole moments. Comparison with large-scale shell-model calculations using several effective interactions.

doi: 10.1016/j.physletb.2018.06.009
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2017KH16      Phys.Rev. C 96, 035806 (2017)

A.Khaliel, T.J.Mertzimekis, E.-M.Asimakopoulou, A.Kanellakopoulos, V.Lagaki, A.Psaltis, I.Psyrra, E.Mavrommatis

First cross-section measurements of the reactions 107, 109Ag(p, γ)108, 110Cd at energies relevant to the p process

NUCLEAR REACTIONS 107,109Ag(p, γ)108Cd/110Cd, E=2.2, 3.5, 4 MeV; measured Eγ, Iγ, total reaction s(E) using in-beam spectroscopy at Tandem accelerator of NCSR Demokritos; deduced S factor. Discussed p-process. Comparison with Hauser-Feshbach statistical calculations using TALYS code. 107Ag(p, n)107Cd, E=2.4-6 MeV; analyzed reaction σ(E) from previous experimental data with TALYS calculations.

doi: 10.1103/PhysRevC.96.035806
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2444.


2017KO03      Phys.Rev. C 95, 014309 (2017)

T.Konstantinopoulos, P.Petkov, A.Goasduff, T.Arici, A.Astier, L.Atanasova, M.Axiotis, D.Bonatsos, P.Detistov, A.Dewald, M.J.Eller, V.Foteinou, A.Gargano, G.Georgiev, K.Gladnishki, A.Gottardo, S.Harissopulos, H.Hess, S.Kaim, D.Kocheva, A.Kusoglu, A.Lagoyannis, J.Ljungvall, R.Lutter, I.Matea, B.Melon, T.J.Mertzimekis, A.Nannini, C.M.Petrache, A.Petrovici, G.Provatas, P.Reiter, M.Rocchini, S.Roccia, M.Seidlitz, B.Siebeck, D.Suzuki, N.Warr, H.De Witte, T.Zerrouki

Lifetime measurements in 100Ru

NUCLEAR REACTIONS 88Sr(14C, 2n), E=40, 46 MeV; measured Eγ, half-lives of 2+, 4+, 6+ and 8+ yrast levels by recoil-distance Doppler shift (RDDS) and Doppler-shift attenuation method (DSAM) using ORGAM array and eight detectors from Miniball array at 15 MV Tandem accelerator of the ALTO laboratory in Orsay. 100Ru; deduced levels, B(E2), not the best candidate for E(5) symmetry. Comparison with excited Vampir, shell-model calculations, and theoretical E(5) level scheme.

doi: 10.1103/PhysRevC.95.014309
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2016HE09      Phys.Rev. C 94, 034312 (2016)

H.Heylen, M.De Rydt, G.Neyens, M.L.Bissell, L.Caceres, R.Chevrier, J.M.Daugas, Y.Ichikawa, Y.Ishibashi, O.Kamalou, T.J.Mertzimekis, P.Morel, J.Papuga, A.Poves, M.M.Rajabali, C.Stodel, J.C.Thomas, H.Ueno, Y.Utsuno, N.Yoshida, A.Yoshimi

High-precision quadrupole moment reveals significant intruder component in 3313AL20 ground state

NUCLEAR MOMENTS 31,33Al; measured β-NQR spectra, static electric quadrupole moment by β-detected nuclear quadrupole resonance (β-NQR) method at LISE-GANIL facility. Spin polarized nuclei of 33Al were produced in 9Be(36S, X), E=77 MeV/nucleon reaction. Comparison with large-scale shell model calculations using SDPF-U-MIX interaction. Discussed configurations. Systematics of quadrupole moments for 27,29,31,33Al.

doi: 10.1103/PhysRevC.94.034312
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2016ME17      Phys.Rev. C 94, 064313 (2016)

T.J.Mertzimekis

Prediction and evaluation of magnetic moments in T = 1/2, 3/2, and 5/2 mirror nuclei

NUCLEAR MOMENTS A=3-63; 13N, 23Mg, 25Al, 27Si, 29P, 31S, 39Ca, 43Ti, 45V, 49Mn, 51Fe, 53Co, 55Ni, 59Zn, 63Ge; 9C, 9Li, 13O, 17N, 21F, 25Si, 27,33P, 35S, 35K, 37Ca, 39Sc, 41Ti, 43V, 45Cr, 47Mn, 49Fe, 51Co, 53Ni, 57Zn, 61Ge, 63As; 27S, 31Ar, 43Cr, 47Fe, 51Ni, 55Zn, 59Ge; compiled, analyzed, and predicted magnetic dipole moments for isospin 1/2, 3/2 and 5/2 mirror nuclei. 57Cu; evaluated magnetic dipole moment of the ground state.

doi: 10.1103/PhysRevC.94.064313
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2016PR02      Nucl.Instrum.Methods Phys.Res. B368, 71 (2016)

K.Preketes-Sigalas, A.Lagoyannis, M.Axiotis, S.Harissopulos, M.Kokkoris, T.J.Mertzimekis, V.Paneta, G.Provatas

Study of the 11B(p, p'γ)11B reaction for PIGE applications

NUCLEAR REACTIONS 11B(p, pγ), E=2.5-5 MeV; measured reaction products, Eγ, Iγ; deduced σ(θ) and the uncertainties. Comparison with available data.

doi: 10.1016/j.nimb.2015.11.041
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2305.


2015DI04      Phys.Rev. C 91, 054321 (2015)

J.Diriken, N.Patronis, A.Andreyev, S.Antalic, V.Bildstein, A.Blazhev, I.G.Darby, H.De Witte, J.Eberth, J.Elseviers, V.N.Fedosseev, F.Flavigny, Ch.Fransen, G.Georgiev, R.Gernhauser, H.Hess, M.Huyse, J.Jolie, Th.Kroll, R.Krucken, R.Lutter, B.A.Marsh, T.Mertzimekis, D.Muecher, R.Orlandi, A.Pakou, R.Raabe, G.Randisi, P.Reiter, T.Roger, M.Seidlitz, M.Seliverstov, C.Sotty, H.Tornqvist, J.Van De Walle, P.Van Duppen, D.Voulot, N.Warr, F.Wenander, K.Wimmer

Experimental study of the 66Ni(d, p) 67Ni one-neutron transfer reaction

NUCLEAR REACTIONS 2H(66Ni, p), E=2.95 MeV/nucleon, [secondary 66Ni beam from U(p, X), E=1.4 GeV primary reaction using RILIS and REX-TRAP at ISOLDE-CERN]; measured Eπ, Ip, Eγ, Iγ, γγ(t), pγ-, pγγ-coin, isomer half-life, σ(θ) for protons using T-REX setup for charged-particles and Miniball (MB) array for γ detection. 67Ni; deduced levels, J, π, l-transfer, configurations, spectroscopic factors, asymptotic normalization constants (ANCs), single-neutron strengths. DWBA analysis of σ(θ) data. Comparison with proton single-particle strength distribution in 89Y, and with shell model calculations. Systematics of summed single-particle spectroscopic factors and C2S weighted centroid energies for 59,61,63,65,67Ni.

doi: 10.1103/PhysRevC.91.054321
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2252. Data from this article have been entered in the XUNDL database. For more information, click here.


2014DI08      Phys.Lett. B 736, 533 (2014)

J.Diriken, N.Patronis, A.N.Andreyev, S.Antalic, V.Bildstein, A.Blazhev, I.G.Darby, H.De Witte, J.Eberth, J.Elseviers, V.N.Fedosseev, F.Flavigny, Ch.Fransen, G.Georgiev, R.Gernhauser, H.Hess, M.Huyse, J.Jolie, Th.Kroll, R.Krucken, R.Lutter, B.A.Marsh, T.Mertzimekis, D.Muecher, F.Nowacki, R.Orlandi, A.Pakou, R.Raabe, G.Randisi, P.Reiter, T.Roger, M.Seidlitz, M.Seliverstov, K.Sieja, C.Sotty, H.Tornqvist, J.Van De Walle, P.Van Duppen, D.Voulot, N.Warr, F.Wenander, K.Wimmer

Study of the deformation-driving νd5/2 orbital in 6728Ni39 using one-neutron transfer reactions

NUCLEAR REACTIONS 2H(66Ni, p)67Ni, E=2.95 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced energy levels, σ(θ), single-particle strength. Comparison with shell model calculations.

doi: 10.1016/j.physletb.2014.08.004
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2252. Data from this article have been entered in the XUNDL database. For more information, click here.


2012FI02      Phys.Rev. C 85, 034334 (2012)

E.Fiori, G.Georgiev, A.E.Stuchbery, A.Jungclaus, D.L.Balabanski, A.Blazhev, S.Cabaret, E.Clement, M.Danchev, J.M.Daugas, S.Grevy, M.Hass, V.Kumar, J.Leske, R.Lozeva, S.Lukyanov, T.J.Mertzimekis, V.Modamio, B.Mouginot, F.Nowacki, Yu.E.Penionzhkevich, L.Perrot, N.Pietralla, K.Sieja, K.-H.Speidel, I.Stefan, C.Stodel, J.C.Thomas, J.Walker, K.O.Zell

First g(2+) measurement on neutron-rich 72Zn, and the high-velocity transient field technique for radioactive heavy-ion beams

NUCLEAR REACTIONS 208Pb, Gd(76Ge, X), E=37.8 MeV/nucleon; Gd(72Zn, X), [secondary 72Zn beam from Al(76Ge, X), E=59 MeV/nucleon], E=36.5 MeV/nucleon; measured Eγ, Iγ, γγ-coin, angular correlations, precession angles. 72Zn, 76Ge; deduced levels, J, π, g factors. Systematics and large-scale shell-model calculations of level energies, B(E2), and g factors of first 2+ states in A=64-80 even-even Zn isotopes. Evidence for predicted transition in the structure of the Zn isotopes near N=40.

NUCLEAR MOMENTS 76Ge, 72Zn; measured g factors of first 2+ states with high-velocity transient-field (HVTF) technique. Systematics and large-scale shell-model calculations of g factors of first 2+ states in A=64-80 even-even Zn isotopes.

doi: 10.1103/PhysRevC.85.034334
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2012MO29      Phys.Lett. B 718, 441 (2012)

X.Mougeot, V.Lapoux, W.Mittig, N.Alamanos, F.Auger, B.Avez, D.Beaumel, Y.Blumenfeld, R.Dayras, A.Drouart, C.Force, L.Gaudefroy, A.Gillibert, J.Guillot, H.Iwasaki, T.Al Kalanee, N.Keeley, L.Nalpas, E.C.Pollacco, T.Roger, P.Roussel-Chomaz, D.Suzuki, K.W.Kemper, T.J.Mertzimekis, A.Pakou, K.Rusek, J.-A.Scarpaci, C.Simenel, I.Strojek, R.Wolski

New excited states in the halo nucleus 6He

NUCLEAR REACTIONS 1H(8He, t)6He, E=15.4 MeV/nucleon; measured reaction products, Et, It; deduced σ(θ), energy levels, J, π, resonances. Comparison with available data.

doi: 10.1016/j.physletb.2012.10.054
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2122. Data from this article have been entered in the XUNDL database. For more information, click here.


2012UJ01      J.Phys.:Conf.Ser. 337, 012015 (2012)

P.Ujic, F.de Oliveira, A.Lagoyannis, T.J.Mertzimekis, S.Harissopulos, P.Demetriou, A.Spyrou, C.Stodel, M.G.Saint-Laurent, O.Kamalou, A.Lefebvre-Schuhl, S.Grevy, L.Caceres, M.Lewitowicz, M.A.Amthor, L.Perot, A.Coc, V.Tatischeff, J.Kiener, O.Sorlin, A.Lepailleur, M.Assie, B.Bastin, L.Achouri, R.Borcea, C.Borcea, M.Stanoiu, G.de France, E.Clement, A.Pautrat, A.Buta, L.Gaudefroy, V.Meot, I.Deloncle

Astrophysical(α, γ) reaction in inverse kinematics; Electron screening effect in the beta-decay

NUCLEAR REACTIONS 4He(78Kr, γ), E=1.73 MeV/nucleon; measured E(82Sr), I(82Sr) using LISE3 spectrometer. Feasibility study of (α, γ) reaction measurements in inverse kinematics.

RADIOACTIVITY 19O(β-);19Ne(EC), (β+); measured decay products; deduced T1/2 in different environments and temperatures. Deduced also 19O branching ratio, but not reported.

doi: 10.1088/1742-6596/337/1/012015
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2010DE11      Phys.Rev. C 81, 034308 (2010), Publishers Note Phys.Rev. C 81, 059903 (2010)

M.De Rydt, J.M.Daugas, F.de Oliveira Santos, L.Gaudefroy, S.Grevy, D.Kameda, V.Kumar, R.Lozeva, T.J.Mertzimekis, P.Morel, T.Nagatomo, G.Neyens, L.Perrot, O.Sorlin, C.Stodel, J.C.Thomas, N.Vermeulen, P.Vingerhoets

g factor of the 44Cl ground state: Probing the reduced Z=16 and N=28 gaps

NUCLEAR REACTIONS 9Be(48Ca, X)44Cl, E=60 MeV/nucleon; measured β-NMR resonance Larmor frequency; deduced g factor, levels, J, π, configurations.

NUCLEAR MOMENTS 44Cl; measured g factor by Larmor frequency using β-NMR method. Comparison with systematics of 39,41,43,45Cl, 46K and with shell-model calculations.

NUCLEAR STRUCTURE 39,41,43,44,45Cl, 46K; calculated levels, J, π, g factors and configurations using large-scale shell-model approach with the SDPF-U residual interaction.

doi: 10.1103/PhysRevC.81.034308
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2009PA11      Eur.Phys.J. A 39, 187 (2009)

A.Pakou, K.Rusek, N.Alamanos, X.Aslanoglou, M.Kokkoris, A.Lagoyannis, T.J.Mertzimekis, A.Musumarra, N.G.Nicolis, D.Pierroutsakou, D.Roubos

Total reaction and fusion cross sections at sub- and near-barrier energies for the system 7Li + 28Si

NUCLEAR REACTIONS 28Si(7Li, X), E=5.7-14 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin, p-spectra and α-spectra, σ, σ(θ), σ(E); deduced fusion and transfer σ using DWBA, CDCC and barrier penetration models. Comparison with previous data.

doi: 10.1140/epja/i2008-10702-7
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0563.


2009ST28      Eur.Phys.J. A 42, 407 (2009)

I.Stefanescu, W.B.Walters, P.F.Mantica, B.A.Brown, A.D.Davies, A.Estrade, P.T.Hosmer, N.Hoteling, S.N.Liddick, W.D.M.Rae, T.J.Mertzimekis, F.Montes, A.C.Morton, W.F.Mueller, M.Ouellette, E.Pellegrini, P.Santi, D.Seweryniak, H.Schatz, J.Shergur, A.Stolz, J.R.Stone, B.E.Tomlin

Spectroscopy of exotic 121, 123, 125Ag produced in fragmentation reactions

NUCLEAR REACTIONS 9Be(136Xe, X)121Pd/123Ag/125Ag, E=120 MeV/nucleon; measured Eγ, Iγ, γγ-, (fragment)γ-coin. 121,123,125Ag; deduced levels, J, π, T1/2. Comparison with shell model and systematics.

RADIOACTIVITY 121Pd(β-) [from 9Be(136Xe, X), E=120 MeV/nucleon]; measured Eγ, Iγ, γγ-, (fragment)γ-coin. 121Ag; deduced levels, J, π. Comparison with shell model and systematics.

doi: 10.1140/epja/i2008-10754-7
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Data from this article have been entered in the XUNDL database. For more information, click here.


2007GR23      Phys.Rev. C 76, 054608 (2007)

D.E.Groh, J.S.Pinter, P.F.Mantica, T.J.Mertzimekis, A.E.Stuchbery, D.T.Khoa

Nuclear spin polarization following intermediate-energy heavy-ion reactions

NUCLEAR REACTIONS 197Au(14N, X)12B, E=39.4 MeV/nucleon; 197Au(15N, X)13B, E=68, 109.6 MeV/nucleon; 93Nb(15N, X)13B, E=67.3 MeV/nucleon; 27Al(15N, X)13B, E=68 MeV/nucleon; 9Be(36Ar, X)37K, E=150.0 MeV/nucleon; 9Be(36S, X)34Al, E=77.6 MeV/nucleon; 9Be, 184W(58Ni, X)55Ni, E=140 MeV/nucleon; calculated polarization coefficients.

doi: 10.1103/PhysRevC.76.054608
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2007MI48      Eur.Phys.J. Special Topics 150, 145 (2007)

K.Minamisono, P.F.Mantica, T.J.Mertzimekis, A.D.Davies, M.Hass, J.Pereira, J.S.Pinter, W.F.Rogers, J.B.Stoker, B.E.Tomlin, R.R.Weerasiri

Nuclear magnetic moment of 57Cu ground state

RADIOACTIVITY 57Cu(β+); measured ground state magnetic moment using the β-NMR technique. Deduced spin expectation value.

doi: 10.1140/epjst/e2007-00289-1
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2007PA09      Nucl.Phys. A784, 13 (2007)

A.Pakou, A.Musumarra, D.Pierroutsakou, N.Alamanos, P.A.Assimakopoulos, N.Divis, G.Doukelis, A.Gillibert, S.Harissopulos, G.Kalyva, M.Kokkoris, A.Lagoyannis, T.J.Mertzimekis, N.G.Nicolis, C.Papachristodoulou, G.Perdikakis, D.Roubos, K.Rusek, S.Spyrou, Ch.Zarkadas

6, 7Li + 28Si total reaction cross sections at near barrier energies

NUCLEAR REACTIONS 28Si(6Li, X), (7Li, X), E=8-13 MeV; measured reaction σ; deduced potential anomaly features. Comparison with previous results and model predictions.

doi: 10.1016/j.nuclphysa.2006.12.007
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2007PA42      Phys.Rev. C 76, 054601 (2007)

A.Pakou, K.Rusek, N.Alamanos, X.Aslanoglou, S.Harissopulos, M.Kokkoris, A.Lagoyannis, T.J.Mertzimekis, A.Musumarra, N.G.Nicolis, C.Papachristodoulou, D.Pierroutsakou, D.Roubos

Strong transfer channels in the 6Li+28Si system at near-barrier energies

NUCLEAR REACTIONS 28Si(6Li, X)29Si/32S/29P/28Si, E=9, 13 MeV; measured production cross sections, Eγ, Iγ, angular distributions.

doi: 10.1103/PhysRevC.76.054601
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2006DA08      Phys.Rev.Lett. 96, 112503 (2006)

A.D.Davies, A.E.Stuchbery, P.F.Mantica, P.M.Davidson, A.N.Wilson, A.Becerril, B.A.Brown, C.M.Campbell, J.M.Cook, D.C.Dinca, A.Gade, S.N.Liddick, T.J.Mertzimekis, W.F.Mueller, J.R.Terry, B.E.Tomlin, K.Yoneda, H.Zwahlen

Probing Shell Structure and Shape Changes in Neutron-Rich Sulfur Isotopes Through Transient-Field, g-Factor Measurements on Fast Radioactive Beams of 38S and 40S

NUCLEAR REACTIONS 197Au(38S, 38S'), (40S, 40S'), E ≈ 40 MeV/nucleon; measured Eγ, Iγ(θ, H, t), (particle)γ-coin following projectile Coulomb excitation. 38,40S levels deduced excitation B(E2), g factors. Transient field technique.

doi: 10.1103/PhysRevLett.96.112503
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2006ME04      Phys.Rev. C 73, 024318 (2006)

T.J.Mertzimekis, P.F.Mantica, A.D.Davies, S.N.Liddick, B.E.Tomlin

Ground state magnetic dipole moment of 35K

RADIOACTIVITY 35K(EC), (β+) [from 9Be(36Ar, X)]; measured β-NMR spectra from polarized source. 35K deduced μ. Systematics of magnetic moments in neighboring nuclides discussed.

doi: 10.1103/PhysRevC.73.024318
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2006MI07      Phys.Rev.Lett. 96, 102501 (2006)

K.Minamisono, P.F.Mantica, T.J.Mertzimekis, A.D.Davies, M.Hass, J.Pereira, J.S.Pinter, W.F.Rogers, J.B.Stoker, B.E.Tomlin, R.R.Weerasiri

Nuclear Magnetic Moment of the 57Cu Ground State

RADIOACTIVITY 57Cu(EC), (β+) [from Be(58Ni, X)]; measured β-asymmetry, β-NMR spectrum from polarized source. 57Cu deduced ground-state μ. Comparison with shell-model predictions.

doi: 10.1103/PhysRevLett.96.102501
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2006PA07      Phys.Lett. B 633, 691 (2006)

A.Pakou, N.Alamanos, N.M.Clarke, N.J.Davis, G.Doukelis, G.Kalyva, M.Kokkoris, A.Lagoyannis, T.J.Mertzimekis, A.Musumarra, N.G.Nicolis, C.Papachristodoulou, N.Patronis, G.Perdikakis, D.Pierroutsakou, D.Roubos, K.Rusek, S.Spyrou, Ch.Zarkadas

The 6Li exclusive breakup on 28Si at 13 MeV

NUCLEAR REACTIONS 28Si(6Li, dα), E=13 MeV; measured Ed, Id, Eα, Iα, (alpha)(deuteron)-coin, σ(θ), σ. Comparison with previous results and model predictions.

doi: 10.1016/j.physletb.2005.11.088
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2006ST21      Phys.Rev. C 74, 054307 (2006)

A.E.Stuchbery, A.D.Davies, P.F.Mantica, P.M.Davidson, A.N.Wilson, A.Becerril, B.A.Brown, C.M.Campbell, J.M.Cook, D.C.Dinca, A.Gade, S.N.Liddick, T.J.Mertzimekis, W.F.Mueller, J.R.Terry, B.E.Tomlin, K.Yoneda, H.Zwahlen

Shell structure underlying the evolution of quadrupole collectivity in 38S and 40S probed by transient-field g-factor measurements on fast radioactive beams

NUCLEAR REACTIONS 197Au(38S, 38S'), (40S, 40S'), E ≈ 40 MeV/nucleon; measured Eγ, Iγ(θ, H, t), (particle)γ-coin following projectile Coulomb excitation. 38,40S levels deduced excitation B(E2), g factors. Transient field technique.

NUCLEAR STRUCTURE 36,38,40S, 38,40,42Ar; calculated level energies, quadrupole moments, g factors, B(E2), deformation. Shell model.

doi: 10.1103/PhysRevC.74.054307
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2005BE61      Eur.Phys.J. A 25, Supplement 1, 203 (2005)

N.Benczer-Koller, G.Kumbartzki, J.R.Cooper, T.J.Mertzimekis, M.J.Taylor, L.Bernstein, K.Hiles, P.Maier-Komor, M.A.McMahan, L.Phair, J.Powell, K.-H.Speidel, D.Wutte

First g-factor measurement using a radioactive 76Kr beam

NUCLEAR REACTIONS 26Mg(76Kr, 76Kr'), E=230 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin following projectile Coulomb excitation. 76Kr level deduced g factor. Transient field technique.

doi: 10.1140/epjad/i2005-06-098-8
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2005ST09      Phys.Lett. B 611, 81 (2005)

A.E.Stuchbery, A.N.Wilson, P.M.Davidson, A.D.Davies, T.J.Mertzimekis, S.N.Liddick, B.E.Tomlin, P.F.Mantica

Transient fields for Mg ions traversing gadolinium hosts at velocities above and below the K-shell electron velocity

NUCLEAR REACTIONS 12C(12C, α), E=34.7 MeV; 12C(16O, α), E=38.5 MeV; measured Eα, Eγ, Iγ(θ, t), αγ-coin; Gd(24Mg, 24Mg'), E=165 MeV; measured Eγ, Iγ(θ, t), (particle)γ-coin; deduced transient field strengths.

doi: 10.1016/j.physletb.2005.02.023
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2005TA02      Phys.Lett. B 605, 265 (2005)

M.J.Taylor, N.Benczer-Koller, L.Bernstein, J.Cooper, K.Hiles, D.S.Judson, G.Kumbartzki, P.Maier-Komor, M.A.McMahan, T.J.Mertzimekis, L.Phair, S.J.Q.Robinson, Y.Y.Sharon, K.-H.Speidel, A.E.Stuchbery, L.Zamick

Shell model configurations in the 2+1 state in 46Ca from a g-factor measurement

NUCLEAR REACTIONS C(46Ca, 46Ca'), E=95 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin following projectile Coulomb excitation. 46Ca level deduced g-factor, configuration. Transient field technique, comparisons with neighboring isotopes.

doi: 10.1016/j.physletb.2004.11.021
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2004KU11      Phys.Lett. B 591, 213 (2004)

G.Kumbartzki, J.R.Cooper, N.Benczer-Koller, K.Hiles, T.J.Mertzimekis, M.J.Taylor, K.-H.Speidel, P.Maier-Komor, L.Bernstein, M.A.McMahan, L.Phair, J.Powell, D.Wutte

First g factor measurement using a radioactive 76Kr beam

NUCLEAR REACTIONS 26Mg(76Kr, 76Kr'), E=230 MeV; 26Mg(78Kr, 78Kr'), E=224 MeV; measured Eγ, Iγ(θ, H, t) following projectile Coulomb excitation. 76,78Kr levels deduced g factors. Transient field technique, systematics in neighboring isotopes discussed.

doi: 10.1016/j.physletb.2004.04.040
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2004ST11      Phys.Rev. C 69, 044302 (2004)

A.E.Stuchbery, N.Benczer-Koller, G.Kumbartzki, T.J.Mertzimekis

Gyromagnetic ratios and octupole collectivity in the structure of the 90-96Zr isotopes

NUCLEAR STRUCTURE 90,91,92,94,95,96Zr; calculated levels, g factors, B(E2), B(E3), role of octupole collectivity. Shell model, particle-vibration coupling.

doi: 10.1103/PhysRevC.69.044302
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2004ST28      Nucl.Phys. A746, 54c (2004)

A.Stolz, A.Estrade, A.D.Davies, T.N.Ginter, P.T.Hosmer, E.Kwan, S.N.Liddick, P.F.Mantica, T.J.Mertzimekis, F.A.Montes, D.J.Morrissey, A.C.Morton, M.Ouellette, E.Pellegrini, P.Santi, H.Schatz, M.Steiner, A.E.Stuchbery, B.E.Tomlin, W.B.Walters, A.Woehr, O.Arndt, K.-L.Kratz, B.Pfeiffer, P.Reeder

Radioactive ion beams in the region of 100Sn and 78Ni at the NSCL

NUCLEAR REACTIONS Be, Ni, Nb(124Xe, X), E=140 MeV/nucleon; measured fragments isotopic yields, prompt and delayed (particle)γ-coin. Be(86Kr, X), E=140 MeV/nucleon; measured fragments isotopic yields; deduced evidence for 78Ni.

doi: 10.1016/j.nuclphysa.2004.09.017
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2004WA26      Phys.Rev. C 70, 034314 (2004)

W.B.Walters, B.E.Tomlin, P.F.Mantica, B.A.Brown, J.Rikovska Stone, A.D.Davies, A.Estrade, P.T.Hosmer, N.Hoteling, S.N.Liddick, T.J.Mertzimekis, F.Montes, A.C.Morton, W.F.Mueller, M.Ouellette, E.Pellegrini, P.Santi, D.Seweryniak, H.Schatz, J.Shergur, A.Stolz

Probing the sustainability of the N = 82 and Z = 50 shell closures for neutron-rich nuclides: Decay of 120Rh75 to levels of 120Pd74

RADIOACTIVITY 120Rh(β-), (IT) [from Be(136Xe, X)]; measured Eγ, Iγ, βγ-coin. 126Cd(IT) [from Be(136Xe, X)]; measured Eγ, Iγ. 120Rh, 126Cd deduced isomeric transitions. 120Pd deduced levels, J, π, shell effects. Level systematics in neighboring nuclides discussed, comparison with model predictions.

doi: 10.1103/PhysRevC.70.034314
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2003BE54      Phys.Rev. C 68, 044609 (2003)

C.A.Bertulani, A.E.Stuchbery, T.J.Mertzimekis, A.D.Davies

Intermediate energy Coulomb excitation as a probe of nuclear structure at radioactive beam facilities

NUCLEAR REACTIONS 197Au(38S, 38S'), (40S, 40S'), (42S, 42S'), (44Ar, 44Ar'), (46Ar, 46Ar'), E=10, 50, 100, 500 MeV/nucleon; Pb(11Be, 11Be'), E=50 MeV/nucleon; calculated projectile Coulomb excitation σ, retardation effects.

doi: 10.1103/PhysRevC.68.044609
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2003GR09      Phys.Rev.Lett. 90, 202502 (2003)

D.E.Groh, P.F.Mantica, A.E.Stuchbery, A.Stolz, T.J.Mertzimekis, W.F.Rogers, A.D.Davies, S.N.Liddick, B.E.Tomlin

Spin Polarization of 37K Produced in a Single-Proton Pickup Reaction at Intermediate Energies

NUCLEAR REACTIONS 9Be(36Ar, 37K), E=150 MeV/nucleon; measured outgoing particle momentum distribution, spin polarization. Comparison with model predictions.

doi: 10.1103/PhysRevLett.90.202502
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2003KU11      Phys.Lett. B 562, 193 (2003)

G.Kumbartzki, N.Benczer-Koller, J.Holden, G.Jakob, T.J.Mertzimekis, M.J.Taylor, K.-H.Speidel, R.Ernst, A.E.Stuchbery, C.W.Beausang, R.Krucken

Competition between proton and neutron excitations in 96Zr

NUCLEAR REACTIONS C, 24Mg, Cu, Gd, Ta(96Zr, 96Zr'), E=265-274 MeV; measured Eγ, Iγ(θ, H, t), DSA following projectile Coulomb excitation. 96Zr levels deduced T1/2, g factors, configurations, transition B(E3). Transient field technique, comparison with shell model results.

doi: 10.1016/S0370-2693(03)00608-7
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2003ME26      Phys.Rev. C 68, 054304 (2003)

T.J.Mertzimekis, A.E.Stuchbery, N.Benczer-Koller, M.J.Taylor

Systematics of first 2+ state g factors around mass 80

NUCLEAR STRUCTURE 62,64,66,68,70Zn, 70,72,74,76Ge, 74,76,78,80,82,84Se, 78,80,82,84,86Kr, 80,82,84,86,88Sr; calculated 2+ state energies, g factors, pair gaps, deformation, B(E2). Interacting boson model, pairing-corrected collective model, shell model. Comparisons with data.

doi: 10.1103/PhysRevC.68.054304
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2003TA05      Phys.Lett. B 559, 187 (2003)

M.J.Taylor, N.Benczer-Koller, G.Kumbartzki, T.J.Mertzimekis, S.J.Q.Robinson, Y.Y.Sharon, L.Zamick, A.E.Stuchbery, C.Hutter, C.W.Beausang, J.J.Ressler, M.A.Caprio

Competing core and single particle excitations in the 2+1 state in 44Ca

NUCLEAR REACTIONS C, Cu, Gd(44Ca, 44Ca'), E=85, 90, 95 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin following projectile Coulomb excitation. 44Ca level deduced g factor, configuration. Transient field technique.

doi: 10.1016/S0370-2693(03)00346-0
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2002JA02      Phys.Rev. C65, 024316 (2002)

G.Jakob, N.Benczer-Koller, G.Kumbartzki, J.Holden, T.J.Mertzimekis, K.-H.Speidel, R.Ernst, A.E.Stuchbery, A.Pakou, P.Maier-Komor, A.Macchiavelli, M.McMahan, L.Phair, I.Y.Lee

Evidence for Proton Excitations in 130, 132, 134, 136Xe Isotopes from Measurements of g Factors of 21+ and 41+ States

NUCLEAR REACTIONS Ti(130Xe, 130Xe'), (132Xe, 132Xe'), (134Xe, 134Xe'), (136Xe, 136Xe'), E=485-508 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin, DSA following projectile Coulomb excitation. 130,132,134,136Xe levels deduced g factors, T1/2. Transient field technique, Gd-backed target. Comparison with IBA-II model predictions.

NUCLEAR STRUCTURE 130,132,134Te, 132,134,136Xe; calculated g factors. Shell model, comparison with data.

doi: 10.1103/PhysRevC.65.024316
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2001HO02      Phys.Rev. C63, 024315 (2001)

J.Holden, N.Benczer-Koller, G.Jakob, G.Kumbartzki, T.J.Mertzimekis, K.-H.Speidel, C.W.Beausang, R.Krucken, A.Macchiavelli, M.McMahan, L.Phair, A.E.Stuchbery, P.Maier-Komor, W.Rogers, A.D.Davies

Single Particle Degrees of Freedom in the Transition from Deformed to Spherical Nd Nuclei

NUCLEAR REACTIONS Si, Ni(144Nd, 144Nd'), (146Nd, 146Nd'), (148Nd, 148Nd'), (150Nd, 150Nd'), E=285, 584-608 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin following projectile Coulomb excitation. 144,146,148,150Nd levels deduced g factors, configurations. Transient field technique.

doi: 10.1103/PhysRevC.63.024315
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2001ME20      Phys.Rev. C64, 024314 (2001)

T.J.Mertzimekis, N.Benczer-Koller, J.Holden, G.Jakob, G.Kumbartzki, K.-H.Speidel, R.Ernst, A.Macchiavelli, M.McMahan, L.Phair, P.Maier-Komor, A.Pakou, S.Vincent, W.Korten

First Measurements of g Factors in the Even Kr Isotopes

NUCLEAR REACTIONS 26Mg(78Kr, 78Kr'), (80Kr, 80Kr'), (82Kr, 82Kr'), (84Kr, 84Kr'), (86Kr, 86Kr'), E=220-261 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin following projectile Coulomb excitation. 78,80,82,84,86Kr levels deduced T1/2, B(E2), g factors. Transient field technique, Gd-backed target, IBA-2 calculation.

doi: 10.1103/PhysRevC.64.024314
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2000HO25      Phys.Lett. 493B, 7 (2000)

J.Holden, N.Benczer-Koller, G.Jakob, G.Kumbartzki, T.J.Mertzimekis, K.-H.Speidel, A.Macchiavelli, M.McMahan, L.Phair, P.Maier-Komor, A.E.Stuchbery, W.F.Rogers, A.D.Davies

Evidence for 2f7/2 Neutron Strength in the Low Energy Structure of 144, 146, 148, 150Nd Isotopes

NUCLEAR REACTIONS Ni(144Nd, 144Nd'), (146Nd, 146Nd'), (148Nd, 148Nd'), (150Nd, 150Nd'), E=584-608 MeV; measured Eγ, Iγ(θ), precession angles following projectile Coulomb excitation. 144,146,148,150Nd levels deduced g factors, configurations. Deformation effects discussed. Gammasphere array, transient field technique.

doi: 10.1016/S0370-2693(00)01136-9
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2000JA11      Phys.Lett. 494B, 187 (2000)

G.Jakob, N.Benczer-Koller, J.Holden, G.Kumbartzki, T.J.Mertzimekis, K.-H.Speidel, R.Ernst, P.Maier-Komor, C.W.Beausang, R.Krucken

First Measurements of the g Factors of the 21+ and 31+ States of Semi-Magic 4090Zr

NUCLEAR REACTIONS 24,26Mg(90Zr, 90Zr'), E=270, 300 MeV; measured Eγ, Iγ(θ, H, t), (recoil)γ-coin, DSA following projectile Coulomb excitation. 90Zr levels deduced g factors, T1/2, configurations. Transient field technique, target backed with Gd, Ta, Cu.

doi: 10.1016/S0370-2693(00)01197-7
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1999JA13      Phys.Lett. 468B, 13 (1999)

G.Jakob, N.Benczer-Koller, J.Holden, G.Kumbartzki, T.J.Mertzimekis, K.-H.Speidel, C.W.Beausang, R.Krucken

Spin Dependence of d5/2 Neutron Configurations in the Wave Functions of 92, 94Zr from g-Factor Measurements

NUCLEAR REACTIONS Si(92Zr, 92Zr'), (94Zr, 94Zr'), E=300 MeV; measured Eγ, Iγ(θ, H, t) following projectile Coulomb excitation. 92,94Zr levels deduced g factors, configurations.

doi: 10.1016/S0370-2693(99)01203-4
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