NSR Query Results


Output year order : Descending
Format : Normal

NSR database version of April 11, 2024.

Search: Author = E.A.Lawrie

Found 76 matches.

Back to query form



2023RA04      Nucl.Phys. A1032, 122622 (2023)

Y.Rahma, S.Ouichaoui, J.Kiener, E.A.Lawrie, J.J.Lawrie, V.Tatischeff, A.Belhout, D.Moussa, W.Yahia-Cherif, H.Benhabiles-Mezhoud, T.D.Bucher, T.R.S.Dinoko, A.Chafa, J.L.Conradie, S.Damache, M.Debabi, I.Deloncle, J.L.Easton, M.Fouka, C.Hamadache, F.Hammache, P.Jones, B.V.Kheswa, N.A.Khumalo, T.Lamula, S.N.T.Majola, J.Ndayishimye, D.Negi, S.P.Noncolela, S.Ouziane, P.Papka, S.Peterson, M.Kumar Raju, V.Ramanathan, B.M.Rebeiro, N.de Sereville, J.F.Sharpey-Schafer, O.Shirinda, M.Wiedeking, S.Wyngaardt

γ-ray emission in proton-induced nuclear reactions on natC and Mylar targets over the incident energy range, Ep = 30 - 200 MeV. Astrophysical implications

NUCLEAR REACTIONS 12C, 16O, 24Mg, 28Si, 56Fe(p, X), E=30-200 MeV; measured reaction products; deduced γ-ray production σ. The K = 200 separated sector cyclotron of iThemba LABS using a high-energy resolution, high-efficiency detection array composed of 8 Compton-suppressed clover detectors comprising 32 HP-Ge crystals for recording the γ-ray energy spectra.

doi: 10.1016/j.nuclphysa.2023.122622
Citations: PlumX Metrics


2022GU04      Phys.Lett. B 828, 137010 (2022)

S.Guo, X.H.Zhou, C.M.Petrache, E.A.Lawrie, S.H.Mthembu, Y.D.Fang, H.Y.Wu, H.L.Wang, H.Y.Meng, G.S.Li, Y.H.Qiang, J.G.Wang, M.L.Liu, Y.Zheng, B.Ding, W.Q.Zhang, A.Rohilla, K.R.Muhki, Y.Y.Yang, H.J.Ong, J.B.Ma, S.W.Xu, Z.Bai, H.L.Fan, J.F.Huang, J.H.Li, J.H.Xu, B.F.Lv, W.Hua, Z.G.Gan, Y.H.Zhang

Probing the nature of the conjectured low-spin wobbling bands in atomic nuclei

NUCLEAR REACTIONS 175Lu(18O, 6n)187Au, E=108 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, partial level scheme, B(M1)/B(E2), polarization, mixing ratios, low-spin wobbling bands. The Heavy Ion Research Facility in Lanzhou (HIRFL), China.

doi: 10.1016/j.physletb.2022.137010
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2022GU07      Phys.Rev.Lett. 128, 242502 (2022)

S.Guo, B.Ding, X.H.Zhou, Y.B.Wu, J.G.Wang, S.W.Xu, Y.D.Fang, C.M.Petrache, E.A.Lawrie, Y.H.Qiang, Y.Y.Yang, H.J.Ong, J.B.Ma, J.L.Chen, F.Fang, Y.H.Yu, B.F.Lv, F.F.Zeng, Q.B.Zeng, H.Huang, Z.H.Jia, C.X.Jia, W.Liang, Y.Li, N.W.Huang, L.J.Liu, Y.Zheng, W.Q.Zhang, A.Rohilla, Z.Bai, S.L.Jin, K.Wang, F.F.Duan, G.Yang, J.H.Li, J.H.Xu, G.S.Li, M.L.Liu, Z.Liu, Z.G.Gan, M.Wang, Y.H.Zhang

Probing 93mMo Isomer Depletion with an Isomer Beam

RADIOACTIVITY 93Mo(IT) [from 12C(86Kr, 5n), E=559 MeV]; measured decay products, Eγ, Iγ; deduced γ-ray energies and relative intensities, lack of isomer depletion, excitation probability. Comparison with available data. Nuclear excitation by electron capture (NEEC).

doi: 10.1103/PhysRevLett.128.242502
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2022IN01      Phys.Rev. C 106, 054315 (2022)

V.W.Ingeberg, P.Jones, L.Msebi, S.Siem, M.Wiedeking, A.A.Avaa, M.V.Chisapi, E.A.Lawrie, K.L.Malatji, L.Makhathini, S.P.Noncolela, O.Shirinda

Nuclear level density and γ-ray strength function of 63Ni

NUCLEAR REACTIONS 64Ni(p, d), E=27.4 MeV; measured deuteron spectrum, Eγ, Iγ, (deuteron)γ-coin, angular distributions. 63Ni; deduced nuclear level density (NLD) and γ-strength function. Oslo method type of analysis. Comparison with experimental results of other Ni isotopes and large-scale shell model calculations for 63Ni. S2 silicon ΔE-E telescopes for charged particles and AFRODITE γ-detector array (8 HPGe CLOVER+2 LaBr3:Ce(3.5x8")+6 LaBr3:Ce(2x2")) at Separated Sector Cyclotron (iThemba LABS).

doi: 10.1103/PhysRevC.106.054315
Citations: PlumX Metrics


2022LU01      Phys.Rev. C 105, 024305 (2022)

D.W.Luo, C.Xu, Y.K.Wang, Z.H.Li, R.A.Bark, S.Q.Zhang, H.Hua, S.Y.Wang, J.Peng, X.Q.Li, H.Y.Wu, X.Wang, C.G.Wu, Q.T.Li, J.Lin, Y.Jin, W.Z.Xu, L.Mu, J.Meng, F.R.Xu, Y.L.Ye, D.X.Jiang, P.Jones, E.A.Lawrie, P.Papka, M.F.Nkalanga, T.D.Bucher, M.V.Chisapi, L.Msebi, S.Jongile, S.Ntshangase, B.R.Zikhali, S.H.Mthembu, T.Seakamela, M.A.Sithole, O.Shirihda, A.A.Aava, L.Mdletshe, K.L.Malatji, S.Mhlongo, L.Makhathini

Collective structures in 62Cu

NUCLEAR REACTIONS 54Cr(12C, 3np), E=67 MeV; measured Eγ, Iγ, γ(θ), γγ-coin. 62Cu; deduced levels, J, π, high-spin levels, B(M1)/B(E2), configurations, γγ(linear polarization). Comparison with calculations using the self-consistent tilted axis cranking covariant density functional theory (TAC-C DFT). Comparison with level structures in 60,64Ca. AFRODITE array at the iThemba LABS accelerator facility.

doi: 10.1103/PhysRevC.105.024305
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2022LV01      Phys.Lett. B 824, 136840 (2022)

B.F.Lv, C.M.Petrache, E.A.Lawrie, S.Guo, A.Astier, K.K.Zheng, H.J.Ong, J.G.Wang, X.H.Zhou, Z.Y.Sun, P.T.Greenlees, H.Badran, T.Calverley, D.M.Cox, T.Grahn, J.Hilton, R.Julin, S.Juutinen, J.Konki, J.Pakarinen, P.Papadakis, J.Partanen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze, J.Uusitalo, B.Cederwall, A.Ertoprak, H.Liu, I.Kuti, J.Timar, A.Tucholski, J.Srebrny, C.Andreoiu

Evidence against the wobbling nature of low-spin bands in 135Pr

NUCLEAR REACTIONS 100Mo(40Ar, 4np), E=152 MeV; measured reaction products, Eγ, Iγ, γ-γ-γ-coin.; deduced γ-ray energies and intensities, J, π, level scheme, negative-parity bands, angular correlations, phonon wobbling bands. Quasiparticle-plus-triaxial-rotor model calculations.

doi: 10.1016/j.physletb.2021.136840
Citations: PlumX Metrics


2022MD01      Phys.Rev. C 106, 044325 (2022)

L.Mdletshe, X.Q.Yang, E.A.Lawrie, M.A.Sithole, S.N.T.Majola, S.S.Ntshangase, J.F.Sharpey-Schafer, J.J.Lawrie, S.H.Mthembu, T.D.Bucher, L.Msebi, R.A.Bark, A.A.Avaa, M.V.Chisapi, P.Jones, S.Jongile, Z.P.Li, L.Makhathini, K.L.Malatji, A.A.Netshiya, Z.Shi, B.Y.Song, L.Wang, J.Xiang, S.Q.Zhang

Collective rotational bands at low excitation energy in 186Os: Vibrational and rotational degrees of freedom

NUCLEAR REACTIONS 186W(α, 4n), E=48 MeV; measured Eγ, Iγ, γγ-coin. 186Os; deduced levels, J, π, linear polarization asymmetries, angular distribution ratios, high-spin states, bands structure, staggering parameter; calculated levels, J, π, bands structure, potential energy surfaces, staggering parameter. Five-dimensional collective Hamiltonian based on the covariant density functional theory (5DCH-CDFT) and triaxial rotor model (TRM) calculations. Systematics of the bands alignments for 182,184,186,188,190,192Os isotopes. AFRODITE γ-ray spectrometer consisting of 11 clover HPGe detectors at iThemba LABS Separated-Sector Cyclotron.

doi: 10.1103/PhysRevC.106.044325
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2022MS01      Nucl.Instrum.Methods Phys.Res. A1026, 166195 (2022)

L.Msebi, V.W.Ingeberg, P.Jones, J.F.Sharpey-Schafer, A.A.Avaa, T.D.Bucher, C.P.Brits, M.V.Chisapi, D.J.C.Kenfack, E.A.Lawrie, K.L.Malatji, B.Maqabuka, L.Makhathini, S.P.Noncolela, J.Ndayishimye, A.Netshiya, O.Shrinda, M.Wiedeking, B.R.Zikhali

A fast-timing array of 2" x 2" LaBr3:Ce detectors for lifetime measurements of excited nuclear

RADIOACTIVITY 60Co(β-), 152Eu(EC), (β-), 67Ga, 133Ba(EC); measured decay products, Eγ, Iγ; deduced γ-ray energies, level T1/2.

NUCLEAR REACTIONS 45Sc(p, α), (p, d), 64Ni(p, p'), E=27 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, level, J, π, T1/2.

doi: 10.1016/j.nima.2021.166195
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2022MU09      Phys.Lett. B 827, 137006 (2022)

L.Mu, S.Y.Wang, C.Liu, B.Qi, R.A.Bark, J.Meng, S.Q.Zhang, P.Jones, S.M.Wyngaardt, H.Jia, Q.B.Chen, Z.Q.Li, S.Wang, D.P.Sun, R.J.Guo, X.C.Han, W.Z.Xu, X.Xiao, P.Y.Zhu, H.W.Li, H.Hua, X.Q.Li, C.G.Li, R.Han, B.H.Sun, L.H.Zhu, T.D.Bucher, B.V.Kheswa, N.Khumalo, E.A.Lawrie, J.J.Lawrie, K.L.Malatji, L.Msebi, J.Ndayishimye, J.F.Sharpey-Schafer, O.Shirinda, M.Wiedeking, T.Dinoko, S.S.Ntshangase

First observation of the coexistence of multiple chiral doublet bands and pseudospin doublet bands in the A ≈ 80 mass region

NUCLEAR REACTIONS 82Se(α, X)81Kr, E=65, 68 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, two nearly degenerate positive-parity bands. Comparison with the constrained covariant density functional theory and the multiparticle plus rotor model calculations.

doi: 10.1016/j.physletb.2022.137006
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2022WA21      Phys.Rev. C 106, L011303 (2022)

C.G.Wang, R.Han, C.Xu, H.Hua, R.A.Bark, S.Q.Zhang, S.Y.Wang, T.M.Shneidman, S.G.Zhou, J.Meng, S.M.Wyngaardt, A.C.Dai, F.R.Xu, X.Q.Li, Z.H.Li, Y.L.Ye, D.X.Jiang, C.G.Li, C.Y.Niu, Z.Q.Chen, H.Y.Wu, D.W.Luo, S.Wang, D.P.Sun, C.Liu, Z.Q.Li, N.B.Zhang, R.J.Guo, P.Jones, E.A.Lawrie, J.J.Lawrie, J.F.Sharpey-Schafer, M.Wiedeking, S.N.T.Majola, T.D.Bucher, T.Dinoko, B.Maqabuka, L.Makhathini, L.Mdletshe, O.Shirinda, K.Sowazi

First evidence of an octupole rotational band in Ge isotopes

NUCLEAR REACTIONS 74Ge(α, 3nα)71Ge, E=58.6, 62.6 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO), γγ(linear polarization) using AFRODITE array for γ detection at the Separated Sector Cyclotron facility of iThemba LABS. 71Ge; deduced levels, J, π, multipolarities, alignments, rotational bands, octupole rotational band. Comparison with semi-microscopic cluster model calculations. Systematics of energies of 15/2- states in 67,69,71Ge, and those of 2+ and 3- states in 66,68,70,72,74Ge. Systematics of B(E1)/B(E2) ratios for 19/2- states in 67,71Ge in comparison to the ratio for octupole-deformed 220Ra nucleus. 71Ge, 74Se; calculated levels, J, π, B(E2) using two-center shell model (TCSM), and compared with experimental data.

doi: 10.1103/PhysRevC.106.L011303
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2022XI09      Phys.Rev. C 106, 064302 (2022)

X.Xiao, S.Y.Wang, C.Liu, R.A.Bark, J.Meng, S.Q.Zhang, B.Qi, H.Hua, P.Jones, S.M.Wyngaardt, S.Wang, D.P.Sun, Z.Q.Li, N.B.Zhang, H.Jia, R.J.Guo, X.C.Han, L.Mu, X.Lu, W.Z.Xu, C.Y.Niu, C.G.Wang, E.A.Lawrie, J.J.Lawrie, J.F.Sharpey-Schafer, M.Wiedeking, S.N.T.Majola, T.D.Bucher, T.Dinoko, B.Maqabuka, L.Makhathini, L.Mdletshe, N.A.Khumalo, O.Shirinda, K.Sowazi

Chirality and octupole correlations in 74As

NUCLEAR REACTIONS 74Ge(α, 3np), E=58.6, 62.6 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). 74As; deduced levels, J, π, angular distributions from the oriented states (ADO) ratio, polarization asymmetry, bands structure, high-spin states, configurations, energy staggering parameter, B(M1)/B(E2) and B(E2)/B(E1) ratios, energy displacement between bands. Systematics of the excitation energies for the yrast states above I=7 in 70,72,74As. Positive-parity bands are interpreted as chiral doublet bands. Found experimental evidence of octupole correlations existence in 74As, similar to 73Br. Comparison to triaxial particle rotor model (TPRM) calculations. AFRODITE array consisting of 8 Compton suppressed clover detectors and 2 low-energy photon spectrometer (LEPS) detectors at separated Sector Cyclotron of iThemba LABS.

doi: 10.1103/PhysRevC.106.064302
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2022ZE02      Phys.Rev. C 106, 034307 (2022)

Q.B.Zeng, S.Guo, Z.Liu, J.G.Li, H.H.Li, J.G.Wang, Z.Y.Zhang, L.Ma, Y.H.Qiang, M.H.Huang, G.S.Li, Y.D.Fang, M.L.Liu, B.Ding, Y.Zheng, J.H.Li, H.Y.Lu, W.Q.Zhang, K.L.Wang, X.Y.Liu, H.Huang, F.F.Zeng, X.H.Yu, A.Rohilla, J.F.Huang, H.L.Fan, C.Qi, C.X.Yuan, C.M.Petrache, E.A.Lawrie, W.Zuo, Z.G.Gan, X.H.Zhou

Configurations of the low-lying states in 146Eu

RADIOACTIVITY 146mEu(IT) [from 124Sn(27Al, 5n), E=127 MeV, followed by mass-separation of evaporation residues (ERs) using the SHANS separator at the Sector-Focusing Cyclotron (SFC) of HIRFL-Lanzhou]; measured Eγ, Iγ, γγ-coin, isomer and level T1/2 by γ(t) and γγ(t) fast-timing method using three LaBr3(Ce) detectors, one coaxial and one Clover HPGe detectors, and analyzed using mirror symmetric centroid difference (MSCD) method. 146Eu; deduced levels, J, π, T1/2 of 6- levels and a 9+ isomer, multipolarities, upper limits of multipole mixing ratios, B(M1), spherical configurations. 146Sm; measured level T1/2 of the first 2+ state as a test case for measurements of short half-lives for levels in 146Eu. Comparison with shell model calculations using several different effective interactions, and with previous experimental results. Systematics of levels and B(M1) values in N=83 isotones 142Pr, 144Pm, 146Eu.

doi: 10.1103/PhysRevC.106.034307
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2021DI09      Phys.Rev. C 104, 064304 (2021)

B.Ding, C.M.Petrache, S.Guo, E.A.Lawrie, I.Wakudyanaye, Z.H.Zhang, H.L.Wang, H.Y.Meng, D.Mengoni, Y.H.Qiang, J.G.Wang, C.Andreoiu, A.Astier, A.Avaa, T.Back, R.A.Bark, D.Bazzacco, A.Boso, T.D.Bucher, B.Cederwall, M.V.Chisapi, H.L.Fan, F.Galtarossa, F.H.Garcia, A.Goasduff, G.Jaworski, P.Jones, I.Kuti, J.J.Lawrie, G.S.Li, R.Li, M.L.Liu, Z.Liu, B.Lomberg, B.F.Lv, T.Marchlewski, L.Mdletshe, L.Msebi, S.H.Mthembu, D.R.Napoli, A.Netshiya, M.F.Nkalanga, J.N.Orce, K.Ortner, F.Recchia, S.Riccetto, A.Rohilla, T.W.Seakamela, M.Siciliano, M.A.Sithole, D.Sohler, J.Srebrny, D.Testov, A.Tucholski, J.J.Valiente-Dobon, F.Wentzel, K.Whitmore, Y.H.Zhang, K.K.Zheng, X.H.Zhou, B.R.Zikhali

Signature splitting of the g7/2 [404] 7/2+ bands in 131Ba and 133Ce

NUCLEAR REACTIONS 122Sn(13C, 4nγ)131Ba, E=65 MeV from XTU Tandem accelerator at LNL-Legnaro; 125Te(12C, 4nγ)133Ce, E=57 MeV from separated sector cyclotron of iThemba LABS; measured Eγ, Iγ, γγ-coin, γγ(θ) using GALILEO array of 25 Compton-suppressed HPGe detectors, EUCLIDES silicon ball for charged particles and the Neutron Wall array for neutrons for 131Ba at Legnaro, and AFRODITE array of eight Compton-suppressed clover detectors for 133Ce at iThemba LABS. 131Ba, 133Ce; deduced high-spin levels, multipolarities, J, π, bands, quasiparticle alignments, dynamical moments of inertia, signature splittings and configurations. Comparison with cranked shell model and quasiparticle-plus-triaxial-rotor model calculations.

doi: 10.1103/PhysRevC.104.064304
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2021LV01      Phys.Rev. C 103, 044308 (2021)

B.F.Lv, C.M.Petrache, E.A.Lawrie, A.Astier, E.Dupont, K.K.Zheng, P.Greenlees, H.Badran, T.Calverley, D.M.Cox, T.Grahn, J.Hilton, R.Julin, S.Juutinen, J.Konki, J.Pakarinen, P.Papadakis, J.Partanen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze, J.Uusitalo, B.Cederwall, A.Ertoprak, H.Liu, S.Guo, J.G.Wang, H.J.Ong, X.H.Zhou, Z.Y.Sun, I.Kuti, J.Timar, A.Tucholski, J.Srebrny, C.Andreoiu

Tilted precession bands in 135Nd

NUCLEAR REACTIONS 100Mo(40Ar, 5n)135Nd, E=152 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(two-angle, anisotropy ratio), γ(θ), γγ(linear polarization) using JUROGAM II spectrometer with 39 Compton-suppressed Ge detectors at the K130 Cyclotron facility of the University of Jyvaskyla. 135Nd; deduced high-spin levels, J, π, rotational bands, multipolarities, mixing ratios, B(M1)out/B(E2)in and B(E2)out/B(E2)in ratios, configurations. Comparison with quasiparticle-plus-triaxial-rotor model calculations. Observed bands described as tilted precession (TiP) bands instead of wobbling bands. Discussed nuclear triaxiality, and similarities and differences between tilted precession bands (TiP) and wobbling bands.

doi: 10.1103/PhysRevC.103.044308
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2021OR05      Phys.Rev. C 104, L061305 (2021)

J.N.Orce, E.J.Martin Montes, K.J.Abrahams, C.Ngwetsheni, B.A.Brown, M.Kumar Raju, C.V.Mehl, M.J.Mokgolobotho, E.H.Akakpo, D.L.Mavela, P.Adsley, R.A.Bark, N.Bernier, T.D.Bucher, N.R.Erasmus, T.S.Dinoko, P.M.Jones, N.Y.Kheswa, N.A.Khumalo, E.A.Lawrie, J.J.Lawrie, B.L.Lesch, S.N.T.Majola, S.S.Ntshangase, P.Papka, V.Pesudo, B.Rebeiro, O.Shirinda, M.Wiedeking, W.Yahia-Cherif

Reorientation-effect measurement of the < 2+1 Ε2 2+1 > matrix element in 36Ar

NUCLEAR REACTIONS 194Pt(36Ar, 36Ar), E=134.2 MeV; measured Eγ, Iγ, γ(θ), (particle)γ-coin using AFRODITE array of eight HPGe clover detectors coupled to an annular, double-sided silicon detector at iThemba LABS; analyzed Coulomb excitation yields using semiclassical coupled-channel Coulomb-excitation least-squares code GOSIA. 36Ar; deduced E2 matrix element and B(E2) for the first 2+ state, diagonal E2 matrix element and spectroscopic quadrupole moment for the first 2+ state.Systematics of Q(for first 2+)/B(E2) for first 2+ in 20Ne, 24Mg, 28Si, 32S, 36Ar.

NUCLEAR MOMENTS 36Ar; measured spectroscopic quadrupole moment of the first excited 2+ state by reorientation-effect in Coulomb excitation using 194Pt(36Ar, 36Ar), E=134.2 MeV, and analyzing Coulomb excitation yields using GOSIA code. Comparison with beyond mean-field and large-scale shell-model calculations, and with experimental spectroscopic quadrupole moments for the first 2+ states in 20Ne, 24Mg, 28Si, 32S, 36Ar.

doi: 10.1103/PhysRevC.104.L061305
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2021SI05      Phys.Rev. C 103, 024325 (2021)

M.A.Sithole, J.F.Sharpey-Schafer, E.A.Lawrie, S.N.T.Majola, A.Kardan, T.D.Bucher, J.J.Lawrie, L.Mdletshe, S.S.Ntshangase, A.A.Netshiya, P.Jones, L.Makhathini, K.L.Malatji, P.L.Masiteng, I.Ragnarsson, B.Maqabuka, J.Ndayishimye, O.Shirinda, B.R.Zikhali, S.Jongile, G.O'Neill, L.Msebi, P.M.Someketa, D.Kenfack, S.H.Mthembu, T.C.Khumalo, M.V.Chisapi

Low- and medium-spin negative-parity bands in the 187Os nucleus

NUCLEAR REACTIONS 186W(α, 3n)187Os, E=37 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO), γγ(linear polarization) using AFRODITE array of 11 Compton-suppressed HPGe clover detectors at the K=200 cyclotron facility of iThemba Labs. 187Os; deduced high-spin levels, J, π, multipolarities, bands, alignment plots, experimental Routhians, Nilsson configurations; calculated total energy surfaces contours in (ϵ2cos(γ+30°), ϵ2sin(γ+30°)) plane using the cranked Nilsson-Strutinsky-Bogoliubov (CNSB) models. Bands interpreted within the cranked shell model (CSM) and CNSB formalism.

doi: 10.1103/PhysRevC.103.024325
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2021SI30      Phys.Rev. C 104, 044326 (2021)

M.A.Sithole, E.A.Lawrie, L.Mdletshe, S.N.T.Majola, A.Kardan, T.D.Bucher, J.F.Sharpey-Schafer, J.J.Lawrie, S.S.Ntshangase, A.A.Avaa, R.A.Bark, M.V.Chisapi, P.Jones, S.Jongile, D.Kenfack, T.C.Khumalo, L.Makhathini, K.L.Malatji, B.Maqabuka, S.H.Mthembu, L.Msebi, A.A.Netshiya, G.O'Neill, O.Shirinda, P.M.Someketa, B.R.Zikhali

Structure of collective states built on the 11/2+ isomer in 187Os: Quasiparticle-plus-triaxial-rotor model and interpretation as tilted-precession bands

NUCLEAR REACTIONS 186W(α, 3n)187Os, E=37.0 MeV; measured Eγ, Iγ, γγ-coin, γγ(angular anisotropy), γγ(linear polarization) using AFRODITE array for γ detection at k=200 Separated Sector Cyclotron of iThemba LABS. 187Os; deduced high-spin levels, J, π, multipolarities, rotational bands, tilted precession (TiP) bands, Nilsson configurations, alignment and Routhian plots, three-dimensional triaxially-deformed nucleus. Comparison with quasiparticle-plus-triaxial-rotor model calculations. Systematics of band structures of 183,185,187Os and those of positive-parity bands in 182,184,186,188,190,192Os.

doi: 10.1103/PhysRevC.104.044326
Citations: PlumX Metrics


2020GA06      Acta Phys.Pol. B51, 799 (2020)

P.E.Garrett, L.Makhathini, R.A.Bark, T.r.rodriguez, S.Valbuena, V.Bildstein, T.D.Bucher, C.Burbadge, R.Dubey, T.Faestermann, R.Hertenberger, M.Kamil, E.A.Lawrie, K.G.Leach, A.D.MacLean, C.Malotana, C.Mehl, S.H.Mthembu, J.Mukwevho, C.Ngwetsheni, S.S.Ntshangase, J.Ondze, J.N.Orce, B.Rebeiro, B.Singh, S.Triambak, E.C.Vyfers, H-F.Wirth

Shape Coexistence in the Ru Isotopes; Multi-spectroscopic Study of 98Ru and Beyond-mean-field Calculations

doi: 10.5506/APhysPolB.51.799
Citations: PlumX Metrics


2020GA26      Phys.Lett. B 809, 135762 (2020)

P.E.Garrett, L.Makhathini, R.A.Bark, T.R.Rodriguez, S.Valbuena, V.Bildstein, T.D.Bucher, C.Burbadge, R.Dubey, T.Faestermann, R.Hertenberger, M.Kamil, E.A.Lawrie, K.G.Leach, A.D.MacLean, C.Mehl, S.H.Mthembu, N.J.Mukwevho, C.Ngwetsheni, S.S.Ntshangase, J.C.Nzobadila Ondze, J.N.Orce, B.Rebeiro, B.Singh, S.Triambak, E.C.Vyfers, H.-F.Wirth

Observation of the 0+2 and γ bands in 98Ru, and shape coexistence in the Ru isotopes

RADIOACTIVITY 98Rh(β+), (EC) [from 89Y(12C, 3n), E=47.5 MeV]; measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities, branching, σ(θ), J, π, bands. Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2020.135762
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2020GU16      Phys.Lett. B 807, 135572 (2020)

S.Guo, C.M.Petrache, D.Mengoni, Y.H.Qiang, Y.P.Wang, Y.Y.Wang, J.Meng, Y.K.Wang, S.Q.Zhang, P.W.Zhao, A.Astier, J.G.Wang, H.L.Fan, E.Dupont, B.F.Lv, D.Bazzacco, A.Boso, A.Goasduff, F.Recchia, D.Testov, F.Galtarossa, G.Jaworski, D.R.Napoli, S.Riccetto, M.Siciliano, J.J.Valiente-Dobon, M.L.Liu, G.S.Li, X.H.Zhou, Y.H.Zhang, C.Andreoiu, F.H.Garcia, K.Ortner, K.Whitmore, A.Atac Nyberg, T.Back, B.Cederwall, E.A.Lawrie, I.Kuti, D.Sohler, T.Marchlewski, J.Srebrny, A.Tucholski

Evidence for pseudospin-chiral quartet bands in the presence of octupole correlations

NUCLEAR STRUCTURE 131Ba; analyzed available data; calculated B(E1), three pairs of nearly degenerate doublet bands using the reflection-asymmetric triaxial particle rotor model.

doi: 10.1016/j.physletb.2020.135572
Citations: PlumX Metrics


2020GU21      Phys.Rev. C 102, 044320 (2020)

S.Guo, C.M.Petrache, D.Mengoni, Y.X.Liu, Q.B.Chen, Y.H.Qiang, A.Astier, E.Dupont, K.K.Zheng, J.G.Wang, B.Ding, B.F.Lv, M.L.Liu, Y.D.Fang, X.H.Zhou, D.Bazzacco, A.Boso, A.Goasduff, F.Recchia, D.Testov, F.Galtarossa, G.Jaworski, D.R.Napoli, S.Riccetto, M.Siciliano, J.J.Valiente-Dobon, C.Andreoiu, F.H.Garcia, K.Ortner, K.Whitmore, B.Cederwall, E.A.Lawrie, I.Kuti, D.Sohler, T.Marchlewski, J.Srebrny, A.Tucholski

Pseudospin partner bands in 130Ba

NUCLEAR REACTIONS 122Sn(13C, 5n), E=65 MeV; measured Eγ, Iγ, γγ-, (particle)γ, nγ-coin, γγ(θ) at two points using the GALILEO array coupled to the EUCLIDES and Neutron Wall detector arrays at the XTU Tandem accelerator of LNL-Legnaro. 130Ba; deduced high-spin levels, J, π, multipolarities, mixing ratios, bands, B(M1)/B(E2), alignment plots, moments of inertia, signature and pseudospin splittings of bands, configurations. Comparison with projected shell model (PSM) and the particle rotor model (PRM) calculations.

doi: 10.1103/PhysRevC.102.044320
Citations: PlumX Metrics


2020IN01      Eur.Phys.J. A 56, 68 (2020)

V.W.Ingeberg, S.Siem, M.Wiedeking, K.Sieja, D.L.Bleuel, C.P.Brits, T.D.Bucher, T.S.Dinoko, J.L.Easton, A.Gorgen, M.Guttormsen, P.Jones, B.V.Kheswa, N.A.Khumalo, A.C.Larsen, E.A.Lawrie, J.J.Lawrie, S.N.T.Majola, K.L.Malatji, L.Makhathini, B.Maqabuka, D.Negi, S.P.Noncolela, P.Papka, E.Sahin, R.Schwengner, G.M.Tveten, F.Zeiser, B.R.Zikhali

First application of the Oslo method in inverse kinematics

doi: 10.1140/epja/s10050-020-00070-7
Citations: PlumX Metrics


2020LA05      Phys.Rev. C 101, 034306 (2020)

E.A.Lawrie, O.Shirinda, C.M.Petrache

Tilted precession and wobbling in triaxial nuclei

NUCLEAR STRUCTURE 105Pd, 135Pr, 163Lu; calculated levels, J, π, B(M1), B(E2), tilted precession (TiP), wobbling bands and triaxial superdeformed bands (TSD) for transverse and longitudinal angular momentum coupling, distinguishing between TiP and wobbling for triaxial nuclei. Quasiparticle-plus-triaxial-rotor (QTR) model calculations with harmonic phonon approximation.

doi: 10.1103/PhysRevC.101.034306
Citations: PlumX Metrics


2020MA16      Phys.Rev. C 101, 044312 (2020)

S.N.T.Majola, M.A.Sithole, L.Mdletshe, D.Hartley, J.Timar, B.M.Nyako, J.M.Allmond, R.A.Bark, C.Beausang, L.Bianco, T.D.Bucher, S.P.Bvumbi, M.P.Carpenter, C.J.Chiara, N.Cooper, D.M.Cullen, D.Curien, T.S.Dinoko, B.J.P.Gall, P.E.Garrett, P.T.Greenlees, J.Hirvonen, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, B.V.Kheswa, F.G.Kondev, A.Korichi, W.D.Kulp, T.Lauritsen, E.A.Lawrie, L.Makhathini, P.L.Masiteng, B.Maqabuka, E.A.McCutchan, D.Miller, S.Miller, A.Minkova, L.Msebi, S.H.Mthembu, J.Ndayishimye, P.Nieminen, P.Z.Ngcobo, S.S.Ntshangase, J.N.Orce, P.Peura, P.Rahkila, N.Redon, L.L.Riedinger, M.A.Riley, D.G.Roux, P.Ruotsalainen, J.Piot, J.Saren, J.F.Sharpey-Schafer, C.Scholey, O.Shirinda, J.Simpson, J.Sorri, I.Stefanescu, S.Stolze, J.Uusitalo, X.Wang, V.Werner, J.L.Wood, C.-H.Yu, S.Zhu, G.Zimba

First candidates for γ vibrational bands built on the [505] 11/2- neutron orbital in odd-A Dy isotopes

NUCLEAR REACTIONS 155Gd(α, 2n)157Dy, E=25 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using the JUROGAM II array at the University of Jyvaskyla. 148Nd(12C, 5n)155Dy, E=65 MeV; 124Sn(36S, 5n)155Dy, E=165 MeV; measured Eγ, Iγ, γγ-coin using GAMMASPHERE array at Argonne National Laboratory. 155,157Dy; deduced high-spin levels, J, π, multipolarities, Kπ=0+ bands, Kπ=2+ γ-vibrational bands, configurations, alignments, B(M1)/B(E2) ratios. 157Dy; calculated neutron quasiparticle Routhians using cranked shell model (CSM). 154,156Dy; discussed first excited 0+ states in the core nuclei. Systematics of level energies versus spin for γ bands in 154,155,156,157,158Dy and 152,153,154,155,156Gd.

doi: 10.1103/PhysRevC.101.044312
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2020VE03      Phys.Lett. B 806, 135488 (2020)

M.Venhart, M.Balogh, A.Herzan, J.L.Wood, F.A.Ali, D.T.Joss, A.N.Andreyev, K.Auranen, R.J.Carroll, M.C.Drummond, J.L.Easton, P.T.Greenlees, T.Grahn, A.Gredley, J.Henderson, U.Jakobsson, R.Julin, S.Juutinen, J.Konki, E.A.Lawrie, M.Leino, V.Matousek, C.G.McPeake, D.O'Donnell, R.D.Page, J.Pakarinen, P.Papadakis, J.Partanen, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, M.Sedlak, C.Scholey, J.Sorri, S.Stolze, A.Thornthwaite, R.Urban, J.Uusitalo, M.Veselsky, F.P.Wearing

Population of a low-spin positive-parity band from high-spin intruder states in 177Au: The two-state mixing effect

NUCLEAR REACTIONS 92Mo(88Sr, X)177Au, E=399 MeV; 100Ru(82Kr, X)179Au, E=352 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, proton-intruder configuration, partial level scheme, J, π.

doi: 10.1016/j.physletb.2020.135488
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2020YA21      Phys.Rev. C 102, 025802 (2020)

W.Yahia-Cherif, S.Ouichaoui, J.Kiener, E.A.Lawrie, J.J.Lawrie, V.Tatischeff, A.Belhout, D.Moussa, P.Papka, H.Benhabiles-Mezhoud, T.D.Bucher, A.Chafa, J.L.Conradie, S.Damache, M.Debabi, I.Deloncle, J.L.Easton, C.Hamadache, F.Hammache, P.Jones, B.V.Kheswa, N.A.Khumalo, T.Lamula, S.N.T.Majola, J.Ndayishimye, D.Negi, S.P.Noncolela, N.de Sereville, J.F.Sharpey-Schafer, O.Shirinda, M.Wiedeking, S.Wyngaardt

Measurement and analysis of nuclear γ-ray production cross sections in proton interactions with Mg, Si, and Fe nuclei abundant in astrophysical sites over the incident energy range E=30-66 MeV

NUCLEAR REACTIONS 24Mg(p, n), (p, 3He), (p, p'), (p, d), (p, 2p), (p, α), (p, p3He), 25Mg(p, 2n), (p, p'), (p, d), (p, α), (p, t), (p, 2p), (p, 3He), (p, nα), (p, pα), 26Mg(p, 3n), (p, p'), (p, d), (p, nα), (p, t), (p, nt), (p, α), (p, nα), (p, 3He), (p, 2nα), (p, dα), 28Si(p, p'), (p, d), (p, 2p), (p, 3He), (p, p3He), (p, 2pα), (p, pα), (p, dα), (p, 2α), (p, pα3He), 29Si(p, p'), (p, d), (p, t), (p, pd), (p, α), (p, pα), (p, α3He), (p, dα), (p, tα), (p, n2α), (p, p2α), 30Si(p, d), (p, t), (p, nt), (p, α), (p, nα), (p, npα), (p, 2α), (p, tα), (p, 2α), (p, ntα), (p, 2n2α), (p, d2α), 56Fe(p, p'), (p, t), (p, d), (p, 3He), (p, α), (p, pα), E=30, 42, 54, 66 MeV; measured Eγ, Iγ, γ(θ), integrated γ-ray cross sections using natural and enriched targets and AFRODITE array with eight Compton-suppressed HPGe clover detectors at the Separated Sector Cyclotron (SSC) of iThemba LABS; deduced angular distribution coefficients and multipolarities of γ-ray transitions, branching ratios and assignments to levels in product nuclei. Comparison to theoretical predictions using the code TALYS, with modified optical model potential (OMP) parameters deformation parameters, and level density parameters. 24Mg(p, p'), E=49.5 MeV; 28Si(p, p'), E=65 MeV; 56Fe(p, p'), E=30, 65 MeV; analyzed σ(θ) data in literature using OPTMAN code; deduced optical potential model parameters, deformation parameters β2, β4 and γ. Comparison with γ-ray cross section data in literature. Discussed astrophysical implications of results of present experiment through TALYS calculation of γ-ray line emission spectra over the photon energy range of 0.1-10 MeV, expected to be generated in interactions of the low-energy cosmic rays (LECRs) in the inner Galaxy.

doi: 10.1103/PhysRevC.102.025802
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0984.


2019LA20      Phys.Rev. C 100, 064321 (2019)

J.J.Lawrie, E.A.Lawrie, B.Msezane, M.Benatar, M.Fedderke, G.K.Mabala, S.Mukherjee, S.M.Mullins, K.P.Mutshena, N.J.Ncapayi, R.T.Newman, J.F.Sharpey-Schafer, F.D.Smit, P.Vymers

Rotational structures in 196Hg

NUCLEAR REACTIONS 198Pt(α, 6n)196Hg, E=67 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO), γγ-linear polarization using the AFRODITE array at iThemba labs. 196Hg; deduced levels, J, π, multipolarities, bands, configurations, alignments, routhians, B(M1)/B(E2) ratios; calculated quasiparticle Routhians for neutrons and protons and alignments using cranked shell model. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.100.064321
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2019LI45      Phys.Rev. C 100, 044318 (2019)

C.G.Li, Q.B.Chen, S.Q.Zhang, C.Xu, H.Hua, S.Y.Wang, R.A.Bark, S.M.Wyngaardt, Z.Shi, A.C.Dai, C.G.Wang, X.Q.Li, Z.H.Li, J.Meng, F.R.Xu, Y.L.Ye, D.X.Jiang, R.Han, C.Y.Niu, Z.Q.Chen, H.Y.Wu, X.Wang, D.W.Luo, C.G.Wu, S.Wang, D.P.Sun, C.Liu, Z.Q.Li, B.H.Sun, P.Jones, L.Msebi, J.F.Sharpey-Schafer, T.Dinoko, E.A.Lawrie, S.S.Ntshangase, B.V.Kheswa, O.Shirinda, N.Khumalo, T.D.Bucher, K.L.Malatji

"Stapler" mechanism for a dipole band in 79Se

NUCLEAR REACTIONS 82Se(α, 3nα)79Se, E=65, 68 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using AFRODITE array of eight Compton-suppressed clover detectors at the iThemba LABS accelerator facility. 79Se; deduced levels, J, π, multipolarities, negative-parity dipole band interpreted as a stapler band, B(M1)/B(E2), configuration. Comparison with calculations using the self-consistent tilted axis cranking covariant density functional theory (TAC-CDFT).

doi: 10.1103/PhysRevC.100.044318
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2019LI49      Phys.Rev. C 100, 054309 (2019)

C.Liu, S.Y.Wang, B.Qi, S.Wang, D.P.Sun, Z.Q.Li, R.A.Bark, P.Jones, J.J.Lawrie, L.Masebi, M.Wiedeking, J.Meng, S.Q.Zhang, H.Hua, X.Q.Li, C.G.Li, R.Han, S.M.Wyngaardt, B.H.Sun, L.H.Zhu, T.D.Bucher, B.V.Kheswa, K.L.Malatji, J.Ndayishimye, O.Shirinda, T.Dinoko, N.Khumalo, E.A.Lawrie, S.S.Ntshangase

New candidate chiral nucleus in the A ≈ 80 mass region: 8235Br47

NUCLEAR REACTIONS 82Se(α, 3np)82Br, E=65, 68 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO), γγ(linear polarization) using the AFRODITE array at the separated-sector cyclotron (SSC) of iThemba LABS. 82Br; deduced levels, J, π, multipolarities, band structures, configurations, B(M1)/B(E2) ratios, energy staggering parameter, degenerate positive-parity chiral doublet bands; calculated valence proton and valence neutron angular momenta as functions of spin for 78,80,82Br, probability distributions for projection of total angular momentum for the chiral doublet bands in 82Br using triaxial particle rotor model (TPRM).

doi: 10.1103/PhysRevC.100.054309
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2019MA64      Phys.Rev. C 100, 034322 (2019)

S.N.T.Majola, R.A.Bark, L.Bianco, T.D.Bucher, S.P.Bvumbi, D.M.Cullen, P.E.Garrett, P.T.Greenlees, D.Hartley, J.Hirvonen, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, B.V.Kheswa, A.Korichi, E.A.Lawrie, P.L.Masiteng, B.Maqabuka, L.Mdletshe, A.Minkova, J.Ndayishimye, P.Nieminen, R.Newman, B.M.Nyako, S.S.Ntshangase, P.Peura, P.Rahkila, L.L.Riedinger, M.Riley, D.Roux, P.Ruotsalainen, J.Saren, J.F.Sharpey-Schafer, C.Scholey, O.Shirinda, A.Sithole, J.Sorri, S.Stolze, J.Timar, J.Uusitalo, G.Zimba

Spectroscopy of low-spin states in 157Dy: Search for evidence of enhanced octupole correlations

NUCLEAR REACTIONS 155Gd(α, 2n), E=25 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using enriched target and JUROGAM II array at Jyvaskyla. 157Dy; deduced levels, J, π, multipolarities, rotational bands, interlacing band structures, B(E1)/B(E2) ratios, reflection asymmetric structures with simplex quantum number, octupole correlations, alignments, configurations; calculated neutron quasiparticle Routhians.

doi: 10.1103/PhysRevC.100.034322
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2019MA70      Phys.Rev. C 100, 044324 (2019)

S.N.T.Majola, Z.Shi, B.Y.Song, Z.P.Li, S.Q.Zhang, R.A.Bark, J.F.Sharpey-Schafer, D.G.Aschman, S.P.Bvumbi, T.D.Bucher, D.M.Cullen, T.S.Dinoko, J.E.Easton, N.Erasmus, P.T.Greenlees, D.J.Hartley, J.Hirvonen, A.Korichi, U.Jakobsson, P.Jones, S.Jongile, R.Julin, S.Juutinen, S.Ketelhut, B.V.Kheswa, N.A.Khumalo, E.A.Lawrie, J.J.Lawrie, R.Lindsay, T.E.Madiba, L.Makhathini, S.M.Maliage, B.Maqabuka, K.L.Malatji, P.L.Masiteng, P.I.Mashita, L.Mdletshe, A.Minkova, L.Msebi, S.M.Mullins, J.Ndayishimye, D.Negi, A.Netshiya, R.Newman, S.S.Ntshangase, R.Ntshodu, B.M.Nyako, P.Papka, P.Peura, P.Rahkila, L.L.Riedinger, M.A.Riley, D.G.Roux, P.Ruotsalainen, J.J.Saren, C.Scholey, O.Shirinda, M.A.Sithole, J.Sorri, M.Stankiewicz, S.Stolze, J.Timar, J.Uusitalo, P.A.Vymers, M.Wiedeking, G.L.Zimba

β and γ bands in N=88, 90, and 92 isotones investigated with a five-dimensional collective Hamiltonian based on covariant density functional theory: Vibrations, shape coexistence, and superdeformation

NUCLEAR REACTIONS 136Xe(18O, 4n)150Sm, E=75 MeV; 148Nd(α, 2n)150Sm, E=25 MeV; 152Sm(α, 4n)152Gd, E=45 MeV; 152Sm(α, 2n)154Gd, E=25 MeV; 155Gd(3He, 4n)154Dy, E=37.5 MeV; 147Sm(12C, 3n)156Er, E=65 MeV; 155Gd(α, 3n)156Dy, E=25 MeV; 144Sm(18O, 4n)158Yb, E=78 MeV; 150Sm(12C, 4n)158Er, E=65 MeV; 156Gd(α, 2n)158Dy, E=27 MeV; 147Sm(16O, 3n)160Yb, E=73 MeV; 152Sm(12C, 4n)160Er, E=64 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using the AFRODITE array at the cyclotron facility of the iThemba Labs for 11 reactions, and JUROGAM II array at Jyvaskyla for 148Nd(α, 2n)150Sm and 155Gd(α, 3n)156Dy reactions. 150Sm, 152,154Gd, 154,156,158Dy, 156,160Er, 158,160Yb; deduced levels, J, π, multipolarities, β, γ and 0+ bands, B(E2) ratios. 150,152,154Sm, 152,154,156Gd, 154,156,158Dy, 156,158,160Er, 158,160,162Yb; calculated potential energy surfaces (PES) and probability density distribution contours in (β, γ) plane; deduced staggering parameters, in-band B(E2) values, absolute transition strengths of E0 transitions, X(E0/E2) values from present and previous experimental data. Comparison with 5DCH-CDFT calculations with PC-PK1 density functional.

doi: 10.1103/PhysRevC.100.044324
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2019ND01      Phys.Rev. C 100, 014313 (2019)

J.Ndayishimye, E.A.Lawrie, O.Shirinda, J.L.Easton, J.J.Lawrie, S.M.Wyngaardt, R.A.Bark, T.D.Bucher, S.P.Bvumbi, T.R.S.Dinoko, P.Jones, N.Y.Kheswa, S.N.T.Majola, P.L.Masiteng, D.Negi, J.N.Orce, J.F.Sharpey-Schafer, M.Wiedeking

Competition of rotation around the intermediate and long axes in 193Tl

NUCLEAR REACTIONS 160Gd(37Cl, 4n), E=167 MeV; 181Ta(18O, 6n), E=105 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO), γγ(lin pol) using AFRODITE array at iThemba LABS. 193Tl; deduced high-spin levels, J, π, alignments, rotational bands, configurations; calculated potential energy surfaces, and positive-parity quasineutron Routhians using cranked shell model calculations. Comparison with previous experimental data, and with band structures in 194Tl.

doi: 10.1103/PhysRevC.100.014313
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2019PE12      Phys.Lett. B 795, 241 (2019)

C.M.Petrache, P.M.Walker, S.Guo, Q.B.Chen, S.Frauendorf, Y.X.Liu, R.A.Wyss, D.Mengoni, Y.H.Qiang, A.Astier, E.Dupont, R.Li, B.F.Lv, K.K.Zheng, D.Bazzacco, A.Boso, A.Goasduff, F.Recchia, D.Testov, F.Galtarossa, G.Jaworski, D.R.Napoli, S.Riccetto, M.Siciliano, J.J.Valiente-Dobon, M.L.Liu, X.H.Zhou, J.G.Wang, C.Andreoiu, F.H.Garcia, K.Ortner, K.Whitmore, T.Back, B.Cederwall, E.A.Lawrie, I.Kuti, D.Sohler, J.Timar, T.Marchlewski, J.Srebrny, A.Tucholski

Diversity of shapes and rotations in the γ-soft 130Ba nucleus: First observation of a t-band in the A = 130 mass region

NUCLEAR REACTIONS 122Sn(13C, 5n), E=65 MeV; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, B(M1)/B(E2), quasiparticle t-band and the odd-spin partners of the S-bands built on prolate 2qp-proton and oblate 2qp-neutron configurations. Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2019.06.040
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2019QI01      Phys.Rev. C 99, 014307 (2019)

Y.H.Qiang, C.M.Petrache, S.Guo, P.M.Walker, D.Mengoni, Q.B.Chen, B.F.Lv, A.Astier, E.Dupont, M.L.Liu, X.H.Zhou, J.G.Wang, D.Bazzacco, A.Boso, A.Goasduff, F.Recchia, D.Testov, F.Galtarossa, G.Jaworski, D.R.Napoli, S.Riccetto, M.Siciliano, J.J.Valiente-Dobon, C.Andreoiu, F.H.Garcia, K.Ortner, K.Whitmore, B.Cederwall, E.A.Lawrie, I.Kuti, D.Sohler, T.Marchlewski, J.Srebrny, A.Tucholski, A.C.Dai, F.R.Xu

Identification of high-K rotation in 130Ba: Testing the consistency of electromagnetic observables

NUCLEAR REACTIONS 122Sn(13C, 5n), E=65 MeV; measured Eγ, Iγ, γγ- and (particle)γ-coin, γγ(θ) using GALILEO array of 25 Compton-suppressed Ge detectors for γ detection, EUCLIDES silicon detector array for charged particles, and the Neutron Wall for neutron detection at the XTU Tandem accelerator facility of INFN-LNL-Legnaro. 130Ba; deduced high-spin levels, J, π, bands, band built on a millisecond Kπ=8- isomer, multipolarities, mixing ratios, configuration, B(E2) ratios, (gK-gR)/Q0 ratios, alignments for the g.s. and Kπ=8- bands, moment of inertia for the 8- band. Systematics of energies relative to a rigid rotor for the bands built on the Kπ=8- isomers in N=74 isotones: 128Xe, 130Ba, 132Ce, 134Nd, 136Sm, 138Gd. Comparison with particle-rotor model calculations.

doi: 10.1103/PhysRevC.99.014307
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2019SH46      Acta Phys.Pol. B50, 597 (2019)

O.Shirinda, E.A.Lawrie, T.D.Bucher, S.H.Mthembu, T.R.S.Dinoko, J.L.Easton, W.X.Mtshali, S.P.Noncolela, D.Duprez, J.J.Lawrie

Angular Correlation Measurement with the iThemba LABS Segmented Clover Detector

NUCLEAR REACTIONS Cd(n, γ), E=0-66 MeV; measured Eγ, Iγ, γ(θ), γγ-coin;111Cd; deduced levels, J, π, δ, transition strengths.

doi: 10.5506/aphyspolb.50.597
Citations: PlumX Metrics


2019SI41      Eur.Phys.J. A 55, 178 (2019)

M.A.Sithole, J.F.Sharpey-Schafer, S.N.T.Majola, T.D.Bucher, T.R.S.Dinoko, S.S.Ntshangase, E.A.Lawrie, N.A.Khumalo, S.Jongile, L.Mdletshe, R.A.Bark, N.Erasmus, P.Jones, B.V.Kheswa, J.J.Lawrie, L.Makhathini, K.L.Malatji, B.Maqabuka, S.P.Noncolela, J.Ndayishimye, O.Shirinda, B.R.Zikhali, P.L.Masiteng

New collective structures in the 163Yb nucleus

NUCLEAR REACTIONS 152Sm(16O, 5n)163Yb, E=93 MeV; measured Eγ, Iγ using AFRODITE γ-ray spectrometer at iThemba Labs; deduced 163Yb new levels and new rotational bands, the gs based band has been extended to 43/2- spin, high-K band based on neutron [505]11/2- Nilsson orbital observed and reported for the first time, observed additional new states which all decay to the yrast band, discussed band structure with reference to Cranked Shell Model (CSM) and systematically compared with neighboring nuclei; presented table of RAD ratios, γ-ray intensities, polarization asymmetries, initial and final energies, γ-muliplicities; deduced level schemes and transitions, bands 1 to 8, coincidenced (gated) γ-ray spectra, aligned angular momenta deduced for bands in 163Yb vs rotational energy.

doi: 10.1140/epja/i2019-12866-3
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2018LI19      Phys.Rev. C 97, 044306 (2018)

L.Liu, S.Y.Wang, S.Wang, H.Hua, S.Q.Zhang, J.Meng, R.A.Bark, S.M.Wyngaardt, B.Qi, D.P.Sun, C.Liu, Z.Q.Li, H.Jia, X.Q.Li, C.Xu, Z.H.Li, J.J.Sun, L.H.Zhu, P.Jones, E.A.Lawrie, J.J.Lawrie, M.Wiedeking, T.D.Bucher, T.Dinoko, L.Makhathini, S.N.T.Majola, S.P.Noncolela, O.Shirinda, J.Gal, G.Kalinka, J.Molnar, B.M.Nyako, J.Timar, K.Juhasz, M.Arogunjo

Evolution from quasivibrational to quasirotational structure in 155Tm and yrast 27/2- to 25/2- energy anomaly in the A ≈ 150 mass region

NUCLEAR REACTIONS 144Sm(16O, 4np), E=118 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO) using the AFRODITE array for γ detection at iThemba LABS-SSC. 155Tm; deduced high-spin levels, J, π, Eγ/spin ratio (E-GOS curves), side band, configuration, quasivibrational to quasirotational structure for the ground-state band; calculated potential energy surface (PES) in (ϵ2, γ) plane. Systematics of E-GOS curves for 153,155,157,159Tm, 153Ho, 157Lu, 159Ta. Systematics of ground and side bands in 155,157,159,161Tm, and energy differences between 25/2- and 27/2- yrast states in 151,153Ho, 153,155Tm, and 155,157Lu.

doi: 10.1103/PhysRevC.97.044306
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2018MD01      Eur.Phys.J. A 54, 176 (2018)

L.Mdletshe, S.S.Ntshangase, J.F.Sharpey-Schafer, S.N.T.Majola, T.R.S.Dinoko, N.A.Khumalo, E.A.Lawrie, R.A.Bark, T.D.Bucher, N.Erasmus, P.Jones, S.Jongile, B.V.Kheswa, J.J.Lawrie, L.Makhathini, K.L.Malatji, B.Maqabuka, J.Ndayishimye, S.P.Noncolela, O.Shirinda, M.A.Sithole

Low-lying positive parity bands in 162Yb

NUCLEAR REACTIONS 150Sm(16O, 4n)162Yb, E=85 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using the AFRODITE array at the cyclotron facility of the iThemba Labs; deduced levels, J, π, multipolarities, γ and second 0+ bands, and staggering parameters.

doi: 10.1140/epja/i2018-12613-4
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2018NI04      Phys.Rev. C 97, 034322 (2018)

C.Y.Niu, A.C.Dai, C.Xu, H.Hua, S.Q.Zhang, S.Y.Wang, R.A.Bark, J.Meng, C.G.Wang, X.G.Wu, X.Q.Li, Z.H.Li, S.M.Wyngaardt, H.L.Zang, Z.Q.Chen, H.Y.Wu, F.R.Xu, Y.L.Ye, D.X.Jiang, R.Han, C.G.Li, X.C.Chen, Q.Liu, J.Feng, B.Yang, Z.H.Li, S.Wang, D.P.Sun, C.Liu, Z.Q.Li, N.B.Zhang, R.J.Guo, G.S.Li, C.Y.He, Y.Zheng, C.B.Li, Q.M.Chen, J.Zhong, W.K.Zhou, B.J.Zhu, L.T.Deng, M.L.Liu, J.G.Wang, P.Jones, E.A.Lawrie, J.J.Lawrie, J.F.Sharpey-Schafer, M.Wiedeking, S.N.T.Majola, T.D.Bucher, T.Dinoko, B.Magabuka, L.Makhathini, L.Mdletshe, N.A.Khumalo, O.Shirinda, K.Sowazi

Spectroscopic study of the possibly triaxial transitional nucleus 75Ge

NUCLEAR REACTIONS 74Ge(α, n2p), E=58.6, 62.6 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO ratios) using AFRODITE array at the Separated Sector Cyclotron of iThemba LABS, South Africa. 75Ge; deduced high-spin levels, J, π, collective bands, configurations. Systematics of level structures in N=43 isotones 75Ge, 77Se and 79Kr; calculated configuration-constrained potential energy surfaces (PES). Comparison of levels with triaxial particle rotor model calculations.

doi: 10.1103/PhysRevC.97.034322
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2017ND01      Acta Phys.Pol. B48, 343 (2017)

J.Ndayishimye, E.A.Lawrie, O.Shirinda, J.L.Easton, S.M.Wyngaardt, R.A.Bark, S.P.Bvumbi, T.R.S.Dinoko, P.Jones, N.Y.Kheswa, J.J.Lawrie, S.N.T.Majola, P.L.Masiteng, D.Negi, J.N.Orce, P.Papka, J.F.Sharpey-Schafer, M.Stankiewicz, M.Wiedeking

Chiral Bands in 193Tl

NUCLEAR REACTIONS 160Gd(37Cl, 4n), E=167 MeV;181Ta(18O, 6n), E=105 MeV; measured Eγ, Iγ, γγ-coin using 9 clovers at different angles. 193Tl; deduced level, J, π, high-spin, γ transitions, B(M1), B(E2), formed one or two chiral systems.

doi: 10.5506/APhysPolB.48.343
Citations: PlumX Metrics


2017NO02      Acta Phys.Pol. B48, 347 (2017)

S.P.Noncolela, T.D.Bucher, E.A.Lawrie, T.R.S.Dinoko, J.L.Easton, N.Erasmus, J.J.Lawrie, S.H.Mthembu, W.X.Mtshali, O.Shirinda, J.N.Orce

Proportional Crosstalk for the iThemba LABS Clover Detector

doi: 10.5506/APhysPolB.48.347
Citations: PlumX Metrics


2017VE03      Phys.Rev. C 95, 061302 (2017)

M.Venhart, F.A.Ali, W.Ryssens, J.L.Wood, D.T.Joss, A.N.Andreyev, K.Auranen, B.Bally, M.Balogh, M.Bender, R.J.Carroll, J.L.Easton, P.T.Greenlees, T.Grahn, P.-H.Heenen, A.Herzan, U.Jakobsson, R.Julin, S.Juutinen, D.Klc, J.Konki, E.Lawrie, M.Leino, V.Matousek, C.G.McPeake, D.O'Donnell, R.D.Page, J.Pakarinen, J.Partanen, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, M.Sedlak, C.Scholey, J.Sorri, S.Stolze, A.Thornthwaite, J.Uusitalo, M.Veselsky

De-excitation of the strongly coupled band in 177Au and implications for core intruder configurations in the light Hg isotopes

NUCLEAR REACTIONS 92Mo(88Sr, 2np), E=399 MeV; measured reaction products, Eγ, Iγ, (ion implants)γ-coin, γγ-coin, γγ(θ)(DCO), α-decay tagging method using Jurogam-II array, GREAT spectrometer, and RITU gas-filled separator at the K=130 MeV cyclotron facility of the University of Jyvaskyla. 177Au; deduced high-spin levels, conversion coefficients, multipolarity, J, π, bands, configuration. Comparisons with cranked Hartree-Fock-Bogoliubov (HFB) calculations based on Skyrme energy functionals, and with the structures of 187Au and 178Hg nuclei.

doi: 10.1103/PhysRevC.95.061302
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2016LI12      Phys.Rev.Lett. 116, 112501 (2016)

C.Liu, S.Y.Wang, R.A.Bark, S.Q.Zhang, J.Meng, B.Qi, P.Jones, S.M.Wyngaardt, J.Zhao, C.Xu, S.-G.Zhou, S.Wang, D.P.Sun, L.Liu, Z.Q.Li, N.B.Zhang, H.Jia, X.Q.Li, H.Hua, Q.B.Chen, Z.G.Xiao, H.J.Li, L.H.Zhu, T.D.Bucher, T.Dinoko, J.Easton, K.Juhasz, A.Kamblawe, E.Khaleel, N.Khumalo, E.A.Lawrie, J.J.Lawrie, S.N.T.Majola, S.M.Mullins, S.Murray, J.Ndayishimye, D.Negi, S.P.Noncolela, S.S.Ntshangase, B.M.Nyako, J.N.Orce, P.Papka, J.F.Sharpey-Schafer, O.Shirinda, P.Sithole, M.A.Stankiewicz, M.Wiedeking

Evidence for Octupole Correlations in Multiple Chiral Doublet Bands

NUCLEAR REACTIONS 70Zn(12C, 3np), E=60, 65 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced energy levels, J, π, medium- amd high-spin states, yrast positive- and negative-parity bands. Comparison with microscopic multidimensionally-constrained covariant density functional theory and triaxial particle rotor model calculations.

doi: 10.1103/PhysRevLett.116.112501
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2016LI41      Phys.Rev. C 94, 024337 (2016)

X.Q.Li, C.Xu, S.Q.Zhang, H.Hua, J.Meng, R.A.Bark, Q.B.Chen, C.Y.Niu, R.Han, S.M.Wyngaardt, S.Y.Wang, S.Wang, B.Qi, L.Liu, L.H.Zhu, Z.Shi, G.L.Zhang, B.H.Sun, X.Y.Le, C.Y.Song, Y.L.Ye, D.X.Jiang, F.R.Xu, Z.H.Li, J.J.Sun, Y.Shi, P.W.Zhao, W.Y.Liang, C.G.Li, C.G.Wang, X.C.Chen, Z.H.Li, D.P.Sun, C.Liu, Z.Q.Li, P.Jones, E.A.Lawrie, J.J.Lawrie, M.Wiedeking, T.D.Bucher, T.Dinoko, B.V.Kheswa, L.Makhathini, S.N.T.Majola, J.Ndayishimye, S.P.Noncolela, O.Shirinda, J.Gal, G.Kalinka, J.Molnar, B.M.Nyako, J.Timar, K.Juhasz, M.Arogunjo

Spectroscopy of 155Yb: Structure evolution in the N=85 isotones

NUCLEAR REACTIONS 144Sm(16O, 5n), E=118 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(ADO ratios) at cyclotron facility of iThemba LABS. 155Yb; deduced high-spin levels, J, π, multipolarity, bands, configurations; calculated potential energy contour in (β, γ) plane. Comparison with semiempirical shell-model (SESM) calculations. Predicted coexistence of prolate and oblate shapes from adiabatic and configuration-fixed constrained triaxial covariant density functional theory (CDFT) calculations. Systematics of low-lying levels in N=84-87 isotones: 148,149,150,151Gd, 150,151,152,153Dy, 152,153,154,155Er, 154,155,156,157Yb, 156,157,158,159Hf.

doi: 10.1103/PhysRevC.94.024337
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2016MA13      Eur.Phys.J. A 52, 28 (2016)

P.L.Masiteng, A.A.Pasternak, E.A.Lawrie, O.Shirinda, J.J.Lawrie, R.A.Bark, S.P.Bvumbi, N.Y.Kheswa, R.Lindsay, E.O.Lieder, R.M.Lieder, T.E.Madiba, S.M.Mullins, S.H.T.Murray, J.Ndayishimye, S.S.Ntshangase, P.Papka, J.F.Sharpey-Schafer

DSAM lifetime measurements for the chiral pair in 194Tl

NUCLEAR REACTIONS 181Ta(18O, 5n), E=91 MeV; calculated high-spin states, J, π, B(M1), B(E2) vs spin, energy vs spin for different rotational bands using recent data measured by the same group with Doppler Shift Attenuation Method (DSAM); deduced T1/2 of de-excitation of high-spin states belonging to different rotational bands. B(E2), B(M1) compared to data.

doi: 10.1140/epja/i2016-16028-y
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2016NE08      Phys.Rev. C 94, 024332 (2016)

D.Negi, M.Wiedeking, E.G.Lanza, E.Litvinova, A.Vitturi, R.A.Bark, L.A.Bernstein, D.L.Bleuel, S.Bvumbi, T.D.Bucher, B.H.Daub, T.S.Dinoko, J.L.Easton, A.Gorgen, M.Guttormsen, P.Jones, B.V.Kheswa, N.A.Khumalo, A.C.Larsen, E.A.Lawrie, J.J.Lawrie, S.N.T.Majola, L.P.Masiteng, M.R.Nchodu, J.Ndayishimye, R.T.Newman, S.P.Noncolela, J.N.Orce, P.Papka, L.Pellegri, T.Renstrom, D.G.Roux, R.Schwengner, O.Shirinda, S.Siem

Nature of low-lying electric dipole resonance excitations in 74Ge

NUCLEAR REACTIONS 74Ge(α, α'), E=48 MeV; measured Eγ, Iγ, Eα, αγ-coin, γ(θ), σ(θ) for scattered α particles, relative cross sections of E1 transitions using AFRODITE array for γ detection and silicon detectors for α particles at iThemba Labs cyclotron facility. 74Ge; deduced levels, J, π, B(E1), suppression in relative cross section for the excitation of pygmy-dipole resonances (PDR) as compared to those in (γ, γ') data for excitations above 6 MeV. Comparison of B(E1) with relativistic quasiparticle time blocking approximation (RQTBA) calculations.

doi: 10.1103/PhysRevC.94.024332
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2016OR06      Eur.Phys.J. A 52, 166 (2016)

J.N.Orce, M.Kumar Raju, N.A.Khumalo, T.S.Dinoko, P.Jones, R.A.Bark, E.A.Lawrie, S.N.T.Majola, L.M.Robledo, B.Rubio, M.Wiedeking, J.Easton, E.A.Khaleel, B.V.Kheswa, N.Kheswa, M.S.Herbert, J.J.Lawrie, P.L.Masiteng, M.R.Nchodu, J.Ndayishimye, D.Negi, S.P.Noncolela, S.S.Ntshangase, P.Papka, D.G.Roux, O.Shirinda, P.S.Sithole, S.W.Yates

Search for two-phonon octupole excitations in 146Gd

NUCLEAR REACTIONS 144Sm(α, 2n), E=26.1-26.8 MeV; measured Eγ, Iγ(θ), γγ-coin. 148Gd deduced γ-ray energy spectra gated by specified γ transitions, relative γ intensities in depopulating the 6+ (3484.5 keV) state, linear polarization, B(E3) for one-photon and two-photon excitations; calculated B(E3) using GCM with Gogny D1S force.

doi: 10.1140/epja/i2016-16166-2
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2016SH40      Eur.Phys.J. A 52, 344 (2016)

O.Shirinda, E.A.Lawrie

Multiple many-particle chiral systems described within the particle-rotor model

doi: 10.1140/epja/i2016-16344-2
Citations: PlumX Metrics


2016ZI04      Phys.Rev. C 94, 054303 (2016)

G.L.Zimba, J.F.Sharpey-Schafer, P.Jones, S.P.Bvumbi, L.P.Masiteng, S.N.T.Majola, T.S.Dinoko, E.A.Lawrie, J.J.Lawrie, D.Negi, P.Papka, D.Roux, O.Shirinda, J.E.Easton, N.A.Khumalo

Octupole correlations in N = 88 154Dy: Octupole vibration versus stable deformation

NUCLEAR REACTIONS 155Gd(3He, 4n), E=37.5 MeV; measured Eγ, Iγ, γγ-coin using AFRODITE array at the Cyclotron facility of the iThemba Laboratory. 154Dy; deduced levels, J, π, bands, B(E1)/B(E2) ratios, E1 transitions, level energy differences between the positive- and negative-parity bands, octupole deformation. Comparison with level-energy differences and B(E1)/B(E2) ratios in 150Sm, 152Gd, 224Ra.

doi: 10.1103/PhysRevC.94.054303
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2015SH14      Acta Phys.Pol. B46, 683 (2015)

O.Shirinda, E.A.Lawrie

Multiple Chiral Bands Associated with the Same Strongly Asymmetric Many-particle Nucleon Configuration

NUCLEAR STRUCTURE A=190; calculated excitation energies for the four lowest-lying bands. Multi-particle-plus-triaxial-rotor (MPR) model.

doi: 10.5506/APhysPolB.46.683
Citations: PlumX Metrics


2015XU09      Phys.Rev. C 91, 061303 (2015)

C.Xu, X.Q.Li, J.Meng, S.Q.Zhang, H.Hua, S.Y.Wang, B.Qi, C.Liu, Z.G.Xiao, H.J.Li, L.H.Zhu, Z.Shi, Z.H.Li, Y.L.Ye, D.X.Jiang, J.J.Sun, Z.H.Zhang, Y.Shi, P.W.Zhao, Q.B.Chen, W.Y.Liang, R.Han, C.Y.Niu, C.G.Li, C.G.Wang, Z.H.Li, S.M.Wyngaardt, R.A.Bark, P.Papka, T.D.Bucher, A.Kamblawe, E.Khaleel, N.Khumalo, E.A.Lawrie, J.J.Lawrie, P.Jones, S.M.Mullins, S.Murray, M.Wiedeking, J.F.Sharpey-Schafer, S.N.T.Majola, J.Ndayishimye, D.Negi, S.P.Noncolela, S.S.Ntshangase, O.Shirinda, P.Sithole, M.A.Stankiewicz, J.N.Orce, T.Dinoko, J.Easton, B.M.Nyako, K.Juhasz

Spectroscopy of 76Se: Prolate-to-oblate shape transition

NUCLEAR REACTIONS 70Zn(12C, 2nα), E=60, 65 MeV; measured Eγ, Iγ, γγ-, (particle)γγ-coin using AFRODITE array for γ rays and DIAMANT array for charged particles at iThemba LABS. 76Se; deduced high-spin levels, J, π, bands, configuration, kinematic and dynamic moments of inertia, band crossing frequency, shape transition. Comparison with cranked shell-model calculations. systematics of band crossings in 70,72,74,76,78,80Se, 72,74,76,78,80,82Kr.

doi: 10.1103/PhysRevC.91.061303
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2014BA29      Int.J.Mod.Phys. E23, 1461001 (2014)

R.A.Bark, E.O.Lieder, R.M.Lieder, E.A.Lawrie, J.J.Lawrie, S.P.Bvumbi, N.Y.Kheswa, S.S.Ntshangase, T.E.Madiba, P.L.Masiteng, S.M.Mullins, S.Murray, P.Papka, O.Shirinda, Q.B.Chen, S.Q.Zhang, Z.H.Zhang, P.W.Zhao, C.Xu, J.Meng, D.G.Roux, Z.P.Li, J.Peng, B.Qi, S.Y.Wang, Z.G.Xiao

Studies of chirality in the mass 80, 100 and 190 regions

NUCLEAR REACTIONS 96Zr(14N, 4n)106Ag, E not given; measured reaction products, Eγ, Iγ; deduced levels, J, π, T1/2, chiral bands, B(M1), B(E2). Comparison with particle-rotor calculations.

doi: 10.1142/S0218301314610011
Citations: PlumX Metrics


2014LI19      Phys.Rev.Lett. 112, 202502 (2014)

E.O.Lieder, R.M.Lieder, R.A.Bark, Q.B.Chen, S.Q.Zhang, J.Meng, E.A.Lawrie, J.J.Lawrie, S.P.Bvumbi, N.Y.Kheswa, S.S.Ntshangase, T.E.Madiba, P.L.Masiteng, S.M.Mullins, S.Murray, P.Papka, D.G.Roux, O.Shirinda, Z.H.Zhang, P.W.Zhao, Z.P.Li, J.Peng, B.Qi, S.Y.Wang, Z.G.Xiao, C.Xu

Resolution of Chiral Conundrum in 106Ag: Doppler-Shift Lifetime Investigation

NUCLEAR REACTIONS 96Zr(14N, 4n), E=71 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced level scheme, J, π, high spin negative parity bands, B(M1), B(E2). Particle-rotor model calculations.

doi: 10.1103/PhysRevLett.112.202502
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2014MA55      Eur.Phys.J. A 50, 119 (2014)

P.L.Masiteng, E.A.Lawrie, T.M.Ramashidzha, J.J.Lawrie, R.A.Bark, R.Lindsay, F.Komati, J.Kau, P.Maine, S.M.Maliage, I.Matamba, S.M.Mullins, S.H.T.Murray, K.P.Mutshena, A.A.Pasternak, D.G.Roux, J.F.Sharpey-Schafer, O.Shirinda, P.A.Vymers

Rotational bands and chirality in 194Tl

NUCLEAR REACTIONS 181Ta(18O, 5n), E=91, 93 MeV; measured Eγ, Iγ(θ), γγ-coin using γ-ray AFRODITE; deduced γ transitions, angular distribution, polarization anisotropy, transition multipolarity, levels, J, π, rotational bands, B(M1), B(E2).

doi: 10.1140/epja/i2014-14119-5
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2014PA50      Eur.Phys.J. A 50, 158 (2014)

P.Papka, J.F.Sharpey-Schafer, B.A.Brown, T.S.Dinoko, E.A.M.A.Khaleel, E.A.Lawrie, J.J.Lawrie, K.C.W.Li, S.N.T.Majola, W.A.Richter, O.Shirinda, M.A.Stankiewicz, P.Vymers, M.Wiedeking

High-resolution two-proton stripping to 2p-1h 7/2- states via the 59Co(3He, n γ)61Cu reaction

NUCLEAR REACTIONS 59Co(3He, nγ), E=22.5 MeV; measured Eγ, Iγ, nγ-coin using AFRODITE escape-suppressed spectrometer, HPGe Clover detectors in BGO shields, neutrons using NE102A plastic scintillators; deduced γ-ray spectra, coincidence n-γ spectra, gated γ spectra, population strengths, branching ratio, levels, J, π, γ transitions, single-proton states outside 60Ni.

doi: 10.1140/epja/i2014-14158-x
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2013BV01      Phys.Rev. C 87, 044333 (2013)

S.P.Bvumbi, J.F.Sharpey-Schafer, P.M.Jones, S.M.Mullins, B.M.Nyako, K.Juhasz, R.A.Bark, L.Bianco, D.M.Cullen, D.Curien, P.E.Garrett, P.T.Greenlees, J.Hirvonen, U.Jakobsson, J.Kau, F.Komati, R.Julin, S.Juutinen, S.Ketelhut, A.Korichi, E.A.Lawrie, J.J.Lawrie, M.Leino, T.E.Madiba, S.N.T.Majola, P.Maine, A.Minkova, N.J.Ncapayi, P.Nieminen, P.Peura, P.Rahkila, L.L.Riedinger, P.Ruotsalainen, J.Saren, C.Scholey, J.Sorri, S.Stolze, J.Timar, J.Uusitalo, P.A.Vymers

Octupole correlations in the structure of 02+ bands in the N=88 nuclei 150Sm and 152Gd

NUCLEAR REACTIONS 152Sm(α, 4n), E=45 MeV; 148Nd(α, 2n), E=25 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γ(θ, lin pol) using the AFRODITE at iThemba LABS, and JUROGAM II arrays at Jyvaskyla. 150Sm, 152Gd; deduced high-spin levels, J, π, bands, B(E1)/B(E2). Comparison of rotational frequencies with those in 220Rn bands. Permanent octupole deformation in first excited Kπ=0+ band. Comparison with Frauendorf's tidal wave model.

doi: 10.1103/PhysRevC.87.044333
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2013MA03      Phys.Lett. B 719, 83 (2013)

P.L.Masiteng, E.A.Lawrie, T.M.Ramashidzha, R.A.Bark, B.G.Carlsson, J.J.Lawrie, R.Lindsay, F.Komati, J.Kau, P.Maine, S.M.Maliage, I.Matamba, S.M.Mullins, S.H.T.Murray, K.P.Mutshena, A.A.Pasternak, I.Ragnarsson, D.G.Roux, J.F.Sharpey-Schafer, O.Shirinda, P.A.Vymers

Close near-degeneracy in a pair of four-quasiparticle bands in 194Tl

NUCLEAR REACTIONS 181Ta(18O, X)194Tl, E=91, 93 MeV; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, rotational bands, high-spin states, B(M1)/B(E2) ratios. Comparison with available data.

COMPILATION 194Tl, 135Nd, 128Cs, 104Rh; compiled difference in excitation energies, alignments, B(M1)/B(E2) ratios.

doi: 10.1016/j.physletb.2013.01.006
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2013SH15      Acta Phys.Pol. B44, 341 (2013)

O.Shirinda, E.A.Lawrie, B.G.Carlsson

Can a Chiral System Be Built on a Strongly Asymmetric Nucleon Configuration?

NUCLEAR STRUCTURE 198Tl. calculated relative excitation energy, probability distributions for the projections of the total angular momentum. Multi-particle-plus-triaxial rotor (MPR) model.

doi: 10.5506/APhysPolB.44.341
Citations: PlumX Metrics


2012RO08      Phys.Lett. B 710, 587 (2012)

S.Roy, N.Rather, P.Datta, S.Chattopadhyay, R.A.Bark, S.Pal, S.Bhattacharya, R.K.Bhowmik, A.Goswami, H.C.Jain, R.Kumar, E.Lawrie, S.Muralithar, D.Negi, R.Palit, R.P.Singh

Emergence of principal axis rotation in 110Ag

NUCLEAR REACTIONS 96Zr(18O, 3np)110Ag, E=70 MeV; measured reaction products, Eγ, Iγ; deduced level scheme, J, π, B(E2), B(M1), deformation, negative-parity yrast band, high spin levels lifetime. Comparison with systematics, Total Routhian Surface and TQPTR calculations.

doi: 10.1016/j.physletb.2012.03.035
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2012SH31      Eur.Phys.J. A 48, 118 (2012)

O.Shirinda, E.A.Lawrie

Identifying chiral bands in real nuclei

NUCLEAR STRUCTURE 126,128,130Cs, 132La, 134Pr; calculated yrast band, side band energies, inertia moment, staggering parameter, B(M1), angle between proton, neutron and collective rotation using particle-rotor model with deformation. Only 128Cs shown in the paper; compared with data.

doi: 10.1140/epja/i2012-12118-2
Citations: PlumX Metrics


2011PA15      Int.J.Mod.Phys. E20, 1034 (2011)

P.Papka, F.Nemulodi, R.A.Bark, N.Y.Kheswa, E.A.Lawrie, J.J.Lawrie, E.O.Lieder, R.M.Lieder, T.E.Madiba, S.M.Mullins, R.T.Newman, T.T.Ibrahim, O.Shirinda, T.D.Singo, R.Alvarez-Rodriguez, J.Gal, G.Kalinka, J.Molnar, B.M.Nyako, J.Timar, S.P.Fox

Experimental investigation of 6Be cluster decay

RADIOACTIVITY 6Be(α) [from 6Li(3He, t)6Be, E=50 MeV]; measured proton spectrum, Eα, Iα; deduced two-body decay from resonant state.

doi: 10.1142/S0218301311019210
Citations: PlumX Metrics


2011SH07      Eur.Phys.J. A 47, 5 (2011)

J.F.Sharpey-Schafer, S.M.Mullins, R.A.Bark, J.Kau, F.Komati, E.A.Lawrie, J.J.Lawrie, T.E.Madiba, P.Maine, A.Minkova, S.H.T.Murray, N.J.Ncapayi, P.A.Vymers

Congruent band structures in 154Gd : Configuration-dependent pairing, a double vacuum and lack of β-vibrations

NUCLEAR REACTIONS 152Sm(α, 2n), E=25 MeV;154Sm(α, 4n), E=45 MeV; measured Eγ, Iγ, γγ-coin, polarization using spectrometer array AFRODITE; deduced levels, J, π, bands, rotational bands. Levels and bands compared to 152Sm.

doi: 10.1140/epja/i2011-11005-8
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2011SH08      Eur.Phys.J. A 47, 6 (2011)

J.F.Sharpey-Schafer, T.E.Madiba, S.P.Bvumbi, E.A.Lawrie, J.J.Lawrie, A.Minkova, S.M.Mullins, P.Papka, D.G.Roux, J.Timar

Blocking of coupling to the 0+2 excitation in 154Gd by the (505)11/2- neutron in 155Gd

NUCLEAR REACTIONS 154Sm(α, 3n), E=35 MeV; measured Eγ, Iγ, γγ-coin using AFRODITE spectrometer. 154,155Gd deduced bands, γ vibration, quadrupole pairing forces, oblate orbitals, blocking of collective modes.

doi: 10.1140/epja/i2011-11006-7
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2011SH12      Int.J.Mod.Phys. E20, 358 (2011)

O.Shirinda, E.Lawrie

Characteristics of two-quasiparticle chiral bands

doi: 10.1142/S0218301311017727
Citations: PlumX Metrics


2011WA21      Phys.Lett. B 703, 40 (2011)

S.Y.Wang, B.Qi, L.Liu, S.Q.Zhang, H.Hua, X.Q.Li, Y.Y.Chen, L.H.Zhu, J.Meng, S.M.Wyngaardt, P.Papka, T.T.Ibrahim, R.A.Bark, P.Datta, E.A.Lawrie, J.J.Lawrie, S.N.T.Majola, P.L.Masiteng, S.M.Mullins, J.Gal, G.Kalinka, J.Molnar, B.M.Nyako, J.Timar, K.Juhasz, R.Schwengner

The first candidate for chiral nuclei in the A ∼ 80 mass region: 80Br

NUCLEAR REACTIONS 76Ge(11B, 3nα), (7Li, 3n), E=54 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced new band on the top of yrast, B(M1)/B(E2), quadrupole deformation parameters, angular momentum.

doi: 10.1016/j.physletb.2011.07.055
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2010BA02      Phys.Rev.Lett. 104, 022501 (2010)

R.A.Bark, J.F.Sharpey-Schafer, S.M.Maliage, T.E.Madiba, F.S.Komati, E.A.Lawrie, J.J.Lawrie, R.Lindsay, P.Maine, S.M.Mullins, S.H.T.Murray, N.J.Ncapayi, T.M.Ramashidza, F.D.Smit, P.Vymers

Nonzero Quadrupole Moments of Candidate Tetrahedral Bands

NUCLEAR REACTIONS 152Sm(α, 2n), 147Sm(16O, 3n), E=25, 73 MeV; measured Eγ, Iγ, γγ-coin.; deduced the lowest-energy negative-parity bands in 160Yb and 154Gd. Comparison with band-mixing calculations.

doi: 10.1103/PhysRevLett.104.022501
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2010BA25      Nucl.Phys. A834, 58c (2010)

R.A.Bark, J.F.Sharpey-Schafer, S.M.Maliage, T.E.Madiba, F.S.Komati, E.A.Lawrie, J.J.Lawrie, R.Lindasy, P.Maine, S.M.Mullins, S.H.T.Murray, N.J.Ncapayi, T.M.Ramashidza, F.D.Smit, P.Vymers

Physics at low spin in the mass 160 region: the search for tetrahedral shapes

NUCLEAR REACTIONS 152Sm(α, 2n), E=cyclotron; 147Sm(16O, 3n), E=cyclotron; measured Eγ, Iγ, γγ-coin. 160Yb; deduced levels, J, π. 154Gd, 160Yb; deduced bands, aligned angular momenta.

doi: 10.1016/j.nuclphysa.2010.01.017
Citations: PlumX Metrics


2010LA15      Eur.Phys.J. A 45, 39 (2010)

E.A.Lawrie, P.A.Vymers, Ch.Vieu, J.J.Lawrie, C.Schuck, R.A.Bark, R.Lindsay, G.K.Mabala, S.M.Maliage, P.L.Masiteng, S.M.Mullins, S.H.T.Murray, I.Ragnarsson, T.M.Ramashidzha, J.F.Sharpey-Schafer, O.Shirinda

Candidate chiral bands in 198Tl

NUCLEAR REACTIONS 197Au(α, 3n), E=40 MeV; measured Eγ, Iγ(θ), E(ce), I(ce), (ce)γ-coin, γγ-coin, polarization anisotropy. 198Tl; deduced γ transitions, multipolarities, internal-conversion X-rays, levels, J, π, B(M1), B(E2) for yrast and side bands; calculated levels, J, π, B(M1), B(E2) for yrast and side bands, rotation-angular momentum angle.

doi: 10.1140/epja/i2010-10994-x
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2010NT01      Phys.Rev. C 82, 041305 (2010); Publisher's Note Phys.Rev. C 82, 059904 (2010)

S.S.Ntshangase, R.A.Bark, D.G.Aschman, S.Bvumbi, P.Datta, P.M.Davidson, T.S.Dinoko, M.E.A.Elbasher, K.Juhasz, E.M.A.Khaleel, A.Krasznahorkay, E.A.Lawrie, J.J.Lawrie, R.M.Lieder, S.N.T.Majola, P.L.Masiteng, H.Mohammed, S.M.Mullins, P.Nieminen, B.M.Nyako, P.Papka, D.G.Roux, J.F.Sharpey-Shafer, O.Shirinda, M.A.Stankiewicz, J.Timar, A.N.Wilson

Electric dipole moments in 230, 232U and implications for tetrahedral shapes

NUCLEAR REACTIONS 232Th(α, 4n), E=42 MeV; 232Th(α, 6n), E=61 MeV; measured Eγ, Iγ, γγ-, γγ(recoil)-coin. 230,232U; deduced levels, J, π, rotational bands, octupole bands, B(E1)/B(E2) ratios, electric dipole moments. Systematics of ground state and octupole bands in 226,228Ra, 228,230Th, 230,232U. Systematics of electric dipole moment in Ra, Th and U isotopes with N=130, 134, 138, 142 and 146; and comparison with Skyrme Hartree-Fock calculations in the literature.

doi: 10.1103/PhysRevC.82.041305
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2010PA11      Phys.Rev. C 81, 054308 (2010)

P.Papka, R.Alvarez-Rodriguez, F.Nemulodi, R.A.Bark, S.P.Fox, J.Gal, T.T.Ibrahim, G.Kalinka, N.Y.Kheswa, E.A.Lawrie, J.J.Lawrie, E.O.Lieder, R.M.Lieder, T.E.Madiba, J.Molnar, S.M.Mullins, R.T.Newman, B.M.Nyako, O.Shirinda, T.D.Singo, J.Timar

Decay of 6Be populated in the 6Li(3He, 3H) charge-exchange reaction

NUCLEAR REACTIONS 6Li(3He, t)6Be, E=50 MeV; measured particle spectra, (particle)(particle)-coin, angular distributions; deduced particle-particle correlations and Dalitz plots for the α-p-p breakup particles from 6Be. Comparison with sequential and 3-body resonance calculations.

doi: 10.1103/PhysRevC.81.054308
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2010SH16      Nucl.Phys. A834, 45c (2010)

J.F.Sharpey-Schafer, R.A.Bark, S.P.Bvumbi, E.A.Lawrie, J.J.Lawrie, T.E.Madiba, S.N.T.Majola, A.Minkova, S.M.Mullins, P.Papka, D.G.Roux, J.Timar

A double vacuum, configuration dependent pairing and lack of β-vibrations in transitional nuclei: Band structure of N = 88 to N = 91 Nuclei

NUCLEAR REACTIONS 152,154Sm(α, 4n), E=45 MeV; 152Sm(α, 2n), E=25 MeV; 154Sm(α, 3n), E=35 MeV; measured Eγ, Iγ, γγ-coin, polarization. 152,154,155Gd; deduced levels, J, π, rotational bands, bands.

doi: 10.1016/j.nuclphysa.2009.12.014
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2009MA27      Acta Phys.Pol. B40, 657 (2009)

P.L.Masiteng, E.A.Lawrie, T.M.Ramashidzha, J.J.Lawrie, R.A.Bark, J.Kau, F.Komati, S.M.Maliage, I.Matamba, S.M.Mullins, S.H.T.Murray, K.P.Mutshena, J.F.Sharpey-Schafer, P.Vymers, Y.Zhang

Possible Chiral Bands in the Doubly-Odd 194Tl Nucleus

NUCLEAR REACTIONS 181Ta(18O, 5n), E=91, 93 MeV; measured Eγ, Iγ, γγ-coin; deduced J, π, band structure, B(M1)/B(E2).


2008LA11      Phys.Rev. C 78, 021305 (2008)

E.A.Lawrie, P.A.Vymers, J.J.Lawrie, Ch.Vieu, R.A.Bark, R.Lindsay, G.K.Mabala, S.M.Maliage, P.L.Masiteng, S.M.Mullins, S.H.T.Murray, I.Ragnarsson, T.M.Ramashidzha, C.Schuck, J.F.Sharpey-Schafer, O.Shirinda

Possible chirality in the doubly-odd 198Tl nucleus: Residual interaction at play

NUCLEAR REACTIONS 197Au(α, 3n), E=40 MeV; measured Eγ, Iγ, E(CE), I(CE), γγ-, (ce)γ-coin. 198Tl; deduced levels, J, π, quasiparticle alignments, band configurations, B(E2), B(M1), chiral behaviour. Comparison with 2-quasiparticle plus triaxial rotor model calculations.

doi: 10.1103/PhysRevC.78.021305
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2007LA22      Acta Phys.Pol. B38, 1417 (2007)

E.A.Lawrie, P.Vymers, Ch.Vieu, J.J.Lawrie, C.Schuck, R.A.Bark, R.Lindsay, S.M.Maliage, S.M.Mullins, S.H.T.Murray, T.M.Ramashidzha, J.F.Sharpey-Schafer

Pair of Bands in the Oblate Doubly-Odd 198Tl Nucleus

NUCLEAR REACTIONS 197Au(α, 3n)198Tl, E=40 MeV; measured Eγ, Iγ, γγ-coinc. 198Tl deduced levels, J, π.

Data from this article have been entered in the XUNDL database. For more information, click here.


2007NT01      Phys.Lett. B 651, 27 (2007)

S.S.Ntshangase, N.Rowley, R.A.Bark, S.V.Fortsch, J.J.Lawrie, E.A.Lawrie, R.Lindsay, M.Lipoglavsek, S.M.Maliage, L.J.Mudau, S.M.Mullins, O.M.Ndwandwe, R.Neveling, G.Sletten, F.D.Smit, C.Theron

Barrier distribution for a 'superheavy' nucleus-nucleus collision

NUCLEAR REACTIONS 208Pb(86Kr, X), E=396, 410, 429, 438, 450 MeV; measured total σ(θ); analyzed quasielastic σ, barrier distribution. Coupled channel calculations.

doi: 10.1016/j.physletb.2007.05.039
Citations: PlumX Metrics


2006PE25      Phys.Rev. C 74, 034304 (2006)

C.M.Petrache, R.A.Bark, S.T.H.Murray, M.Fantuzi, E.A.Lawrie, S.Lang, J.J.Lawrie, S.M.Maliage, D.Mengoni, S.M.Mullins, S.S.Ntshangase, D.Petrache, T.M.Ramashidzha, I.Ragnarsson

Six-quasiparticle isomer in 140Nd

NUCLEAR REACTIONS 126Te(18O, 4n), E=70 MeV; measured prompt and delayed Eγ, Iγ, γγ-coin; deduced σ. 140Nd deduced high-spin levels, J, π, configurations, six-quasiparticle isomer. Afrodite array.

doi: 10.1103/PhysRevC.74.034304
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


Back to query form


Note: The following list of authors and aliases matches the search parameter E.A.Lawrie: , E.A.LAWRIE