NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = R.A.Bark Found 148 matches. Showing 1 to 100. [Next]2024GU06 Phys.Rev.Lett. 132, 092501 (2024) R.J.Guo, S.Y.Wang, C.Liu, R.A.Bark, J.Meng, S.Q.Zhang, B.Qi, A.Rohilla, Z.H.Li, H.Hua, Q.B.Chen, H.Jia, X.Lu, S.Wang, D.P.Sun, X.C.Han, W.Z.Xu, E.H.Wang, H.F.Bai, M.Li, P.Jones, J.F.Sharpey-Schafer, M.Wiedeking, O.Shirinda, C.P.Brits, K.L.Malatji, T.Dinoko, J.Ndayishimye, S.Mthembu, S.Jongile, K.Sowazi, S.Kutlwano, T.D.Bucher, D.G.Roux, A.A.Netshiya, L.Mdletshe, S.Noncolela, W.Mtshali Evidence for Chiral Wobbler in Nuclei NUCLEAR REACTIONS 58Ni(19F, n2p)74Br, E=62 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies, the angular distribution from oriented state (ADO) ratios and linear polarization values for the representative linking transitions between bands, level T1/2, partial level scheme, J, π, B(E2), bands, one-phonon wobbling excitation built on the yrast band. Doppler-shift-attenuation method, the detector array AFRODITE.
doi: 10.1103/PhysRevLett.132.092501
2024YU02 Phys.Lett. B 849, 138452 (2024) Z.Yue, A.N.Andreyev, A.E.Barzakh, I.N.Borzov, J.G.Cubiss, A.Algora, M.Au, M.Balogh, S.Bara, R.A.Bark, C.Bernerd, M.J.G.Borge, D.Brugnara, K.Chrysalidis, T.E.Cocolios, H.De Witte, Z.Favier, L.M.Fraile, H.O.U.Fynbo, A.Gottardo, R.Grzywacz, R.Heinke, A.Illana, P.M.Jones, D.S.Judson, A.Korgul, U.Koster, M.Labiche, L.Le, R.Lica, M.Madurga, N.Marginean, B.Marsh, C.Mihai, E.Nacher, C.Neacsu, C.Nita, B.Olaizola, J.N.Orce, C.A.A.Page, R.D.Page, J.Pakarinen, P.Papadakis, G.Penyazkov, A.Perea, M.Piersa-Silkowska, Zs.Podolyak, S.D.Prosnyak, E.Reis, S.Rothe, M.Sedlak, L.V.Skripnikov, C.Sotty, S.Stegemann, O.Tengblad, S.V.Tolokonnikov, J.M.Udias, P.Van Duppen, N.Warr, W.Wojtaczka Magnetic moments of thallium isotopes in the vicinity of magic N=126 NUCLEAR MOMENTS 207,209Tl; measured frequencies; deduced magnetic dipole moments. Comparison with the self-consistent theory of finite Fermi systems based on the energy density functional. The in-source laser resonance-ionization spectroscopy technique with the Laser Ion Source and Trap (LIST) at ISOLDE (CERN).
doi: 10.1016/j.physletb.2024.138452
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
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
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
2022NG01 Nucl.Instrum.Methods Phys.Res. B513, 21 (2022) P.Z.Ngcobo, R.A.Bark, A.Buffler, P.Papka, D.R.Geduld, P.Jones, L.Makhathini, P.Maleka, N.Mantengu, S.S.Ntshangase, F.D.Smit Measurement of neutron production from an 18O target NUCLEAR REACTIONS 18O(p, n), E30, 42, 54, 66 MeV; measured reaction products, En, In; deduced neutron yields and σ. Comparison with FLUKA simulations.
doi: 10.1016/j.nimb.2021.12.007
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
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
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
2021MO09 Phys.Rev. C 103, 034318 (2021) C.-B.Moon, B.Moon, J.Park, G.D.Dracoulis, T.Kibedi, R.A.Bark, A.P.Byrne, P.A.Davidson, G.J.Lane, A.N.Wilson Various collective states in the 124I nucleus NUCLEAR REACTIONS 122Sn(7Li, 5n)124I, E=54 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), half-lives of nanosecond isomers by γγ(t) using CAESAR array at the 14UD tandem accelerator of ANU-HIAF. 124I; deduced high-spin levels, J, π, multipolarities, bands, K isomer, configurations, alignments; calculated Routhian surface plots. Comparison with structure of 123Te. Systematics of energies and half-lives of 8- and 7- states in 116,118,120,122,124I, and those of level energies in N=58-78, odd-A I and even-even Te and Xe isotopes.
doi: 10.1103/PhysRevC.103.034318
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
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
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
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
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
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
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
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
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
2019MO28 Phys.Rev. C 100, 024319 (2019), Erratum Phys.Rev. C 106, 029901 (2022) B.Moon, C.-B.Moon, G.D.Dracoulis, R.A.Bark, A.P.Byrne, P.A.Davidson, G.J.Lane, T.Kibedi, A.N.Wilson, C.Yuan Proton-neutron multiplet states and isomers in the odd-odd nucleus 122I NUCLEAR REACTIONS 120Sn(7Li, 5n), E=58 MeV chopped beams from the 14UD tandem heavy-ion accelerator at the Australian National University; measured in-beam and out-of-beam Eγ, Iγ, γγ-coin, γγ(θ)(DCO), half-lives of isomers by γ(t) and γγ(t) methods using CAESAR array with six Compton-suppressed HPGe detectors and two low-energy photon (LEP) detectors. 122I; deduced high-spin levels, isomers, J, π, multipolarities, bands, configurations; calculated quasiparticle energy diagrams as a function of quadrupole deformation parameter for neutrons and protons, Nilsson trajectories, total Routhian surface (TRS) energies, and total energy surfaces for 20- and 21- states by six quasiparticle alignments. Comparison with spherical shell model and deformed shell-model calculations. Comparison of angular frequency vs angular momentum plots for 122I and 124Cs for πh11/2νg7/2 configuration. Systematics of energies of 12+ and 14+ levels from πh11/2νh11/2 configuration in 116,118,120,122,124,126,128I, alignment plots in 118,120,122I, ground band states in 116,118Sn and high-spin states in 122I, excitation energies in the form of a liquid drop energy as a function of spin for 120,122I, and 152,154Ho.
doi: 10.1103/PhysRevC.100.024319
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
2019SH13 Eur.Phys.J. A 55, 15 (2019) J.F.Sharpey-Schafer, R.A.Bark, S.P.Bvumbi, T.R.S.Dinoko, S.N.T.Majola "Stiff"deformed nuclei, configuration dependent pairing and the β and γ degrees of freedom
doi: 10.1140/epja/i2019-12665-x
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
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
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
2018MO16 Phys.Lett. B 782, 602 (2018) B.Moon, C.-B.Moon, G.D.Dracoulis, R.A.Bark, A.P.Byrne, P.A.Davidson, G.J.Lane, T.Kibedi, A.N.Wilson, C.Yuan, B.Hong Occurrence of a chiral-like pair band and a six-nucleon noncollective oblate isomer in 120I NUCLEAR REACTIONS 118Sn(6Li, 4n), E=48 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, a pair of doublet bands and a high-spin isomer T1/2, chiral characteristics, a pure single-particle structure.
doi: 10.1016/j.physletb.2018.06.008
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
2018YA14 Phys.Rev. C 98, 014620 (2018) W.A.Yahya, B.I.S.van der Ventel, B.C.Kimene Kaya, R.A.Bark Calculation of a complete set of spin observables for proton elastic scattering from stable and unstable nuclei NUCLEAR REACTIONS 40,48,54,58,60Ca(p, p), E=200, 500, 800 MeV; 120,132Sn(p, p), E=200, 500 MeV; calculated differential σ(θ), Ay analyzing powers, Scalar and vector optical potentials, and spin-rotation function. Relativistic impulse approximation and generalized impulse approximation formalisms for relativistic optical potentials, and relativistic mean field (RMF) theory with NL3 and FSUGold parameter sets for target densities. Comparison with experimental data.
doi: 10.1103/PhysRevC.98.014620
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
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
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
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
2016MO19 Eur.Phys.J. A 52, 168 (2016) A.Monetti, R.A.Bark, A.Andrighetto, P.Beukes, J.L.Conradie, S.Corradetti, D.Fourie, C.Lussi, M.Manzolaro, G.Meneghetti, G.Prete, M.Rossignoli, D.Scarpa, P.Van Schalkwyk, N.Stoddart, J.Vasquez On-line test using multi-foil SiC target at iThemba LABS
doi: 10.1140/epja/i2016-16168-0
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
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
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
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
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
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
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
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
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
2012RO21 Eur.Phys.J. A 48, 99 (2012) D.G.Roux, K.R.Henninger, R.A.Bark, S.Bvumbi, E.A.Gueorguieva-Lawrie, J.J.Lawrie, S.M.Mullins, S.H.T.Murray, S.S.Ntshangase, L.P.Masiteng, O.Shirinda In-beam spectroscopy of 72Ge NUCLEAR REACTIONS 70Zn(α, 2n), E=30 MeV; measured Eγ, Iγ, γγ-coin using AFRODITE spectrometer. 72Ge deduced levels, J, π, γ decay scheme, mixing ratio, positive parity yrast band, aligned angular momenta, quadrupole moment; calculated quasiparticle routhians.
doi: 10.1140/epja/i2012-12099-0
2011MO27 J.Korean Phys.Soc. 59, 1525s (2011) C.-B.Moon, G.D.Dracoulis, R.A.Bark, A.P.Byrne, P.A.Davidson, T.Kibedi, G.J.Lane, A.N.Wilson Various Isomers in Doubly Odd I Isotopes NUCLEAR REACTIONS 118Sn(6Li, 4n), E=48 MeV;120Sn(7Li, 5n), E=58 MeV;122Sn(7Li, 5n), E=54 MeV; measured in-beam Eγ, Iγ, γγ-coin using CAESAR array with 6 HPGe and 2 LEPS. 120,122,124I deduced levels, J, π, γ transitions, isomeric transitions, bands, two-quasiparticle configurations of specific states. Comparison of bandhead states in 11 isotopes of I.
doi: 10.3938/jkps.59.1525
2011MO28 J.Korean Phys.Soc. 59, 1539s (2011) C.-B.Moon, G.D.Dracoulis, R.A.Bark, A.P.Byrne, P.A.Davidson, T.Kibedi, G.J.Lane, A.N.Wilson Decay Schemes of Three-Quasiparticle Isomers in 119, 121Sb and 121, 123I NUCLEAR REACTIONS 120Sn(7Li, 4nα), (7Li, 6n), E=58 MeV;122Sn(7Li, 4nα), (7Li, 6n), E=54 MeV; measured Eγ, Iγ using CAESAR array; deduced levels, J, π, high-spin, γ transitions, isomeric transitions.
doi: 10.3938/jkps.59.1539
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
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
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
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
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
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
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
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
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
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).
2009WA06 Phys.Rev. C 79, 044321 (2009) P.M.Walker, R.J.Wood, G.D.Dracoulis, T.Kibedi, R.A.Bark, A.M.Bruce, A.P.Byrne, P.M.Davidson, H.M.El-Masri, G.J.Lane, C.Moon, J.N.Orce, F.M.Prados Estevez, C.Wheldon, A.N.Wilson Fast decay of a three-quasiparticle isomer in 171Tm NUCLEAR REACTIONS 170Er(7Li, 2nα), E=42 MeV; measured Eγ, Iγ, γγ-coin, conversion electron spectra, half-lives. 171Tm; deduced levels, J, π, multipolarities, conversion coefficients, bands, configurations, K-mixing matrix elements.
doi: 10.1103/PhysRevC.79.044321
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
2008SA35 Phys.Lett. B 669, 19 (2008) T.R.Saito, N.Saito, K.Starosta, J.Beller, N.Pietralla, H.J.Wollersheim, D.L.Balabanski, A.Banu, R.A.Bark, T.Beck, F.Becker, P.Bednarczyk, K.-H.Behr, G.Benzoni, P.G.Bizzeti, C.Boiano, A.Bracco, S.Brambilla, A.Brunle, A.Burger, L.Caceres, F.Camera, F.C.L.Crespi, P.Doornenbal, A.B.Garnsworthy, H.Geissel, J.Gerl, M.Gorska, J.Grebosz, G.Hagemann, J.Jolie, M.Kavatsyuk, O.Kavatsyuk, T.Koike, I.Kojouharov, N.Kurz, J.Leske, G.Lo Bianco, A.Maj, S.Mallion, S.Mandal, M.Maliage, T.Otsuka, C.M.Petrache, Zs.Podolyak, W.Prokopowicz, G.Rainovski, P.Reiter, A.Richard, H.Schaffner, S.Schielke, G.Sletten, N.J.Thompson, D.Tonev, J.Walker, N.Warr, O.Wieland, Q.Zhong Yrast and non-yrast 2+ states of 134Ce and 136Nd populated in relativistic Coulomb excitation NUCLEAR REACTIONS Au(134Ce, 134CE'), (136ND, 136ND'), E≈ 126 MeV/nucleon; measured Eγ, Iγ, γγ-, (particle)γ-coin. 134Ce, 136Nd; deduced B(E2).
doi: 10.1016/j.physletb.2008.09.027
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.
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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
2006LI05 Nucl.Instrum.Methods Phys.Res. A557, 523 (2006) M.Lipoglavsek, A.Likar, M.Vencelj, T.Vidmar, R.A.Bark, E.Gueorguieva, F.Komati, J.J.Lawrie, S.M.Maliage, S.M.Mullins, S.H.T.Murray, T.M.Ramashidzha Measuring high-energy γ-rays with Ge clover detectors NUCLEAR REACTIONS 208Pb(p, γ), E ≈ 11-17 MeV; measured Eγ, Iγ; deduced excitation functions. Afrodite array.
doi: 10.1016/j.nima.2005.11.067
2006LI17 Phys.Rev. C 73, 044609 (2006) A.Likar, M.Lipoglavsek, M.Vencelj, T.Vidmar, R.A.Bark, E.Gueorguieva, F.Komati, J.J.Lawrie, S.M.Maliage, S.M.Mullins, S.H.T.Murray, T.M.Ramashidzha Proton capture to continuum states of 209Bi NUCLEAR REACTIONS 208Pb(p, γ), E=14.8, 15.7, 16.9 MeV; measured Eγ, Iγ, γγ-coin. Afrodite array. Comparison with model predictions.
doi: 10.1103/PhysRevC.73.044609
2006MU17 Phys.Scr. T125, 208 (2006) S.M.Mullins, R.A.Bark, J.Gal, E.Gueorguieva, T.Hlatshwayo, K.Juhasz, G.Kalinka, F.S.Komati, A.Krasznahorkay, J.J.Lawrie, M.Lipoglavsek, S.M.Maliage, T.Malwela, J.Molnar, S.H.T.Murray, S.Ntshangase, B.A.Nyako, M.Ramashidza, J.F.Sharpey-Schafer, J.N.Scheurer, O.Shirinda, J.Timar, P.Vymers, L.Zolnai From Cape to Hortobagy: the marriage of DIAMANT with AFRODITE
doi: 10.1088/0031-8949/2006/T125/054
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
2006RO30 Phys.Atomic Nuclei 69, 1093 (2006) N.Rowley, N.Grar, S.S.Ntshangase, R.A.Bark, S.V.Fortsch, J.J.Lawrie, E.A.Gueorguieva, S.M.Maliage, L.J.Mudau, S.M.Mullins, O.M.Ndwandwe, R.Neveling, G.Sletten, F.D.Smith, C.Theron Capture Cross Sections for Very Heavy Systems NUCLEAR REACTIONS 100Mo(100Mo, X), E(cm) ≈ 170-230 MeV; analyzed total evaporation residue excitation function, barrier distribution. 208Pb(86Kr, X), E ≈ 270-320 MeV; analyzed quasielastic σ, barrier distribution, large-angle particle spectra.
doi: 10.1134/S1063778806070015
2005BA88 J.Phys.(London) G31, S1747 (2005) R.A.Bark, M.Lipoglavsek, S.M.Maliage, S.S.Ntshangase, A.Shevchenko Aspects of nuclear physics research at iThemba LABS, South Africa NUCLEAR REACTIONS 208Pb(p, γ), E=11.9 MeV; measured Eγ, Iγ. 147Sm(16O, 3n), E=73 MeV; measured Eγ, Iγ, γγ-coin. 160Yb deduced high-spin levels, J, π. Afrodite array.
doi: 10.1088/0954-3899/31/10/066
2004LI58 Phys.Lett. B 593, 61 (2004) M.Lipoglavsek, R.A.Bark, M.Benatar, E.Gueorguieva, J.Kau, F.Komati, P.Kwinana, J.J.Lawrie, G.K.Mabala, P.Maine, S.Mukherjee, S.M.Mullins, S.Murray, N.J.Ncapayi, R.T.Newman, P.Vymers High resolution measurement of the 208Pb(p, γ) capture reaction up to Eγ = 19 MeV NUCLEAR REACTIONS 208Pb(p, γ), E=11.3-14.8 MeV; measured Eγ, Iγ, σ(E, θ). 209Bi deduced levels, J, π.
doi: 10.1016/j.physletb.2004.04.074
2004SH08 Phys.Rev. C 69, 024305 (2004) T.Shizuma, S.Mitarai, G.Sletten, R.A.Bark, N.L.Gjorup, H.J.Jensen, M.Piiparinen, J.Wrzesinski, Y.R.Shimizu High-spin structure in 185Os NUCLEAR REACTIONS 176Yb(13C, 4n), E=65 MeV; measured Eγ, Iγ, γγ-coin. 185Os deduced high-spin levels, J, π, configurations, isomer T1/2, g(K)-g(R). Nordball array, potential energy surface calculations.
doi: 10.1103/PhysRevC.69.024305
2004WH01 Eur.Phys.J. A 19, 319 (2004) C.Wheldon, A.E.Stuchbery, A.N.Wilson, G.D.Dracoulis, A.M.Bruce, R.A.Bark, A.P.Byrne, F.M.Prados-Estevez, G.J.Lane, C.-B.Moon, J.N.Orce, R.Wood Electromagnetic properties of pseudo-Nilsson bands in 185Os NUCLEAR REACTIONS 176Yb(13C, 4n), E=63 MeV; measured Eγ, Iγ, γγ-coin. 185Os deduced high-spin levels, J, π, configurations. Caesar array. Particle-rotor model analysis.
doi: 10.1140/epja/i2003-10131-2
2003BA07 Phys.Rev. C 67, 014320 (2003) R.A.Bark, A.M.Baxter, A.P.Byrne, P.M.Davidson, G.D.Dracoulis, S.M.Mullins, T.R.McGoram, R.T.Newman Two-quasiparticle configurations, signature inversion, and the πi13/2(X)νi13/2 band in 176Ir NUCLEAR REACTIONS 149Sm(31P, 4n), E=140, 158 MeV; measured Eγ, Iγ, γγ-coin. 176Ir deduced high-spin levels, J, π, configurations, signature inversion. Comparison with neighboring nuclides and with model predictions.
doi: 10.1103/PhysRevC.67.014320
2003MO22 J.Korean Phys.Soc. 43, S100 (2003) C.-B.Moon, G.D.Dracoulis, R.A.Bark, A.P.Byrne, P.A.Davidson, A.N.Wilson, A.M.Baxter, T.Kibedi, G.J.Lane Collective Bands Built on the Proton h11/2 and the Neutron h11/2 Orbitals in Odd-Odd I NUCLEAR REACTIONS 120,122Sn(7Li, 5n), E=54, 58 MeV; 118Sn(6Li, 4n), E=48 MeV; measured Eγ, Iγ, γγ-coin. 120,122,124I deduced high-spin levels, J, π, configurations. Cranked mean-field calculations, level systematics in neighboring isotopes compared.
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2002RO12 Phys.Lett. 530B, 74 (2002) M.P.Robinson, A.E.Stuchbery, R.A.Bark, A.P.Byrne, G.D.Dracoulis, S.M.Mullins, A.M.Baxter High-Spin g Factors and Proton Alignment in 180, 182, 184Pt NUCLEAR REACTIONS Gd(29Si, X)180Pt/182Pt/184Pt, E=145 MeV; measured Eγ, Iγ(θ, H, t) following implantation into a cold ferromagnetic Gd host and under the presence of a variable magnetic field. 180,182,184Pt deduced average g factors for high-spin states. Transient field technique, comparison with nearby nuclei. NUCLEAR STRUCTURE 166Hf, 184Pt; calculated high-spin rotational band g factors as a function of angular momentum; deduced effect of proton and neutron alignment. Comparison with data.
doi: 10.1016/S0370-2693(02)01265-0
2001BA75 Nucl.Phys. A691, 577 (2001) R.A.Bark, A.M.Baxter, A.P.Byrne, G.D.Dracoulis, T.Kibedi, T.R.McGoram, S.M.Mullins Candidate Chiral Band in 134La NUCLEAR REACTIONS 124Sn(15N, 5n), E=82 MeV; measured Eγ, Iγ, γγ-coin. 134La deduced high-spin levels, J, π, rotational band structure, configurations, alignments, B(M1)/B(E2) ratios, signature inversion, possible chiral band. Potential energy surface, rotor model calculations.
doi: 10.1016/S0375-9474(01)00592-9
2001DR05 Phys.Rev. C63, 061302 (2001) G.D.Dracoulis, T.Kibedi, A.P.Byrne, A.M.Baxter, S.M.Mullins, R.A.Bark Effect of Oblate Deformation on E3 Strengths in Light Lead and Polonium Isotopes NUCLEAR REACTIONS 166,168Er(28Si, 4n), E=140 MeV; measured prompt and delayed Eγ, Iγ, γγ-coin, E(ce), I(ce). 190,192Pb deduced levels, J, π, ICC, isomeric states T1/2, configurations. Comparisons with neighboring polonium isotopes.
doi: 10.1103/PhysRevC.63.061302
2001JE09 Nucl.Phys. A695, 3 (2001) H.J.Jensen, R.A.Bark, P.O.Tjom, G.B.Hagemann, I.G.Bearden, H.Carlsson, S.Leoni, T.Lonnroth, W.Reviol, L.L.Riedinger, H.Schnack-Petersen, T.Shizuma, X.Z.Wang, J.Wrzesinski General Properties of the πh9/2[541]1/2- Configuration and Level Scheme of 165Tm NUCLEAR REACTIONS 150Nd(19F, 4n), E=85 MeV; 154Sm(15N, 4n), E=70 MeV; measured Eγ, Iγ, γγ-coin, DSA. 165Tm deduced high-spin levels, J, π, rotational band structure, transition quadrupole moments, configurations, alignments, B(M1)/B(E2) and B(E1)/B(E2). Nordball array. Potential energy surface calculations, cranked mean-field calculations. NUCLEAR STRUCTURE 162,164,166,168,170Er, 163,165,167,169,171Tm, 164,166,168,170,172Yb, 165,167,169,171,173Lu, 166,168,170,172,174Hf, 167,169,171,173,175Ta, 168,170,172,174,176W; calculated deformation parameters; analyzed rotational bands features. Cranked mean-field approach.
doi: 10.1016/S0375-9474(01)01111-3
2000DR11 Phys.Rev. C62, 037301 (2000) G.D.Dracoulis, T.Kibedi, A.P.Byrne, R.A.Bark, A.M.Baxter Conversion Coefficients and Band Assignments in 180Ta NUCLEAR REACTIONS 176Yb(7Li, 3n), E=28 MeV; measured Eγ, Iγ(t), E(ce), I(ce). 180Ta deduced high-spin levels, J, π, ICC, configurations. Pulsed beam, superconducting solenoid electron detector.
doi: 10.1103/PhysRevC.62.037301
2000KM01 Nucl.Phys. A674, 29 (2000) M.Kmiecik, A.Maj, A.Bracco, F.Camera, M.Casanova, S.Leoni, B.Million, B.Herskind, R.A.Bark, W.E.Ormand The GDR Width in the Excited 147Eu Compound Nucleus at High Angular Momentum NUCLEAR REACTIONS 110Pd(37Cl, xn), E=160, 165, 170 MeV; measured Eγ, Iγ, γ multipolarity. 147Eu deduced GDR width, decay features, deformation parameters. BaF2 and HPGe detectors. Statistical model analysis, thermal shape fluctuations.
doi: 10.1016/S0375-9474(00)00166-4
2000MC03 Phys.Rev. C62, 031303 (2000) T.R.McGoram, G.D.Dracoulis, T.Kibedi, A.P.Byrne, R.A.Bark, A.M.Baxter, S.M.Mullins Normal and Anomalous K-Hindered Decays from Four-Quasiparticle Isomers in 176Lu NUCLEAR REACTIONS 176Yb(7Li, 3nα), E=45 MeV; measured prompt and delayed Eγ, Iγ, γγ-coin, E(ce), I(ce). 176Lu deduced levels, J, π, configurations, isomers T1/2, hindrance factors.
doi: 10.1103/PhysRevC.62.031303
2000MU06 Phys.Rev. C61, 044315 (2000) S.M.Mullins, G.D.Dracoulis, A.P.Byrne, T.R.McGoram, S.Bayer, R.A.Bark, R.T.Newman, W.A.Seale, F.G.Kondev Rotational and Intrinsic States above the Kπ = 25/2-, T1/2 = 25 Day Isomer in 179Hf NUCLEAR REACTIONS 176Yb(9Be, 2nα), E=38, 45, 55 MeV; 176Yb(7Li, 3np), (7Li, 2nd), (7Li, nt), E=45, 50 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, γγ(t). 179Hf deduced high-spin levels, J, π, T1/2, configurations. Incomplete fusion reactions. Multiquasiparticle calculations.
doi: 10.1103/PhysRevC.61.044315
2000OL06 Phys.Rev. C61, 064314 (2000) C.D.O'Leary, M.A.Bentley, B.A.Brown, D.E.Appelbe, R.A.Bark, D.M.Cullen, S.Erturk, A.Maj, A.C.Merchant Nonyrast High-Spin States in N = Z 44Ti NUCLEAR REACTIONS 24Mg(28Si, 2α), E=87 MeV; measured Eγ, Iγ, γγ-, (neutron)γ-, (charged particle)γ-coin. 44Ti deduced high-spin levels, J, π, configurations, deformations. Comparison with shell model predictions.
doi: 10.1103/PhysRevC.61.064314
2000SA39 Phys.Scr. T88, 67 (2000) T.R.Saitoh, N.Saitoh-Hashimoto, G.Sletten, R.A.Bark, G.B.Hagemann, B.Herskind K-Forbidden Transition Probabilities NUCLEAR STRUCTURE 174,175,176,178Hf, 175,176,177,178,179,180Ta, 177,179,180,182,183W, 182,183Re, 181,182,184Os; analyzed K-forbidden transition probabilities, hindrance factors, level mixing, related features.
doi: 10.1238/Physica.Topical.088a00067
1999BA13 Nucl.Phys. A646, 399 (1999) R.A.Bark, S.Tormanen, T.Back, B.Cederwall, S.W.Odegard, J.F.C.Cocks, K.Helariutta, P.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, H.Kettunen, P.Kuusiniemi, M.Leino, M.Muikku, P.Rahkila, A.Savelius Bandcrossings in 171Os NUCLEAR REACTIONS 116Sn(58Ni, n2p), E=267 MeV; measured Eγ, Iγ, (recoil)γ-, γγ-coin. 171Os deduced high-spin levels, rotational band structure, configurations, alignments, bandcrossings. Jurosphere array, recoil separator.
doi: 10.1016/S0375-9474(98)00645-9
1999BA84 Nucl.Phys. A657, 113 (1999) R.A.Bark, S.Tormanen, T.Back, B.Cederwall, S.W.Odegard, J.F.C.Cocks, K.Helariutta, P.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, H.Kettunen, P.Kuusiniemi, M.Leino, M.Muikku, P.Rahkila, A.Savelius, M.Bergstrom, F.Ingebretsen, A.Maj, M.Mattiuzzi, W.Mueller, L.L.Riedinger, T.Saitoh, P.O.Tjom Coexistence of Triaxial and Prolate Shapes in 171Ir NUCLEAR REACTIONS 116Sn(58Ni, 2np), E=260, 267 MeV; measured Eγ, Iγ, (recoil)γ-, γγ-coin. 171Ir deduced high-spin levels, J, π, rotational band structure, configurations, triaxiality, shaped-coexistance, band mixing. Cranked mean-field calculations, potential energy surfaces, tilted-axis cranking.
doi: 10.1016/S0375-9474(99)00319-X
1999BE23 J.Phys.(London) G25, 599 (1999) M.A.Bentley, C.D.O'Leary, A.Poves, G.Martinez-Pinedo, D.E.Appelbe, R.A.Bark, D.M.Cullen, S.Erturk, A.Maj Coulomb Effects in the f7/2 Shell NUCLEAR REACTIONS 24Mg(28Si, n2p), (28Si, 2np), (28Si, pα), (28Si, nα), E=87 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 49Mn, 47,49Cr, 47V deduced levels Coulomb energy differences in rotational bands, effects on alignment properties. Comparison with shell model predictions.
doi: 10.1088/0954-3899/25/4/005
1999DO34 Nucl.Phys. A660, 381 (1999) J.Domscheit, S.Tormanen, B.Aengenvoort, H.Hubel, R.A.Bark, M.Bergstrom, A.Bracco, R.Chapman, D.M.Cullen, C.Fahlander, S.Frattini, A.Gorgen, G.B.Hagemann, A.Harsmann, B.Herskind, H.J.Jensen, S.L.King, S.Lenzi, D.Napoli, S.W.Odegard, C.M.Petrache, H.Ryde, U.J.van Severen, G.Sletten, P.O.Tjom, C.Ur Triaxial Superdeformation in 163Lu NUCLEAR REACTIONS 139La(29Si, 5n), E=145 MeV; measured Eγ, Iγ, γγ-coin. 163Lu deduced high-spin levels, J, π, superdeformed band J, π, linking transitions, possible triaxial deformation. Euroball array. Cranked mean-field calculations, potential energy surfaces.
doi: 10.1016/S0375-9474(99)00392-9
1999DR10 Phys.Rev. C60, 014303 (1999) G.D.Dracoulis, A.P.Byrne, A.M.Baxter, P.M.Davidson, T.Kibedi, T.R.McGoram, R.A.Bark, S.M.Mullins Spherical and Deformed Isomers in 188Pb NUCLEAR REACTIONS 164Er(28Si, 4n), E not given; measured delayed Eγ, Iγ, γγ-coin. 188Pb deduced levels, J, π, isomeric states T1/2, deformation. Recoil-shadow technique.
doi: 10.1103/PhysRevC.60.014303
1999OL01 Phys.Lett. 459B, 73 (1999) C.D.O'Leary, M.A.Bentley, D.E.Appelbe, R.A.Bark, D.M.Cullen, S.Erturk, A.Maj, J.A.Sheikh, D.D.Warner Neutron-Proton Pairing, Coulomb Effects and Shape Coexistence in Odd-Odd N = Z 46V NUCLEAR REACTIONS 24Mg(28Si, npα), E=87 MeV; measured Eγ, Iγ, γγ-, nγ-, (charged particle)γ-coin. 46V deduced high-spin levels, J, π, configurations, deformation. Shell-model, TRS calculations.
doi: 10.1016/S0370-2693(99)00656-5
1999RE05 Phys.Rev. C59, 1351 (1999) W.Reviol, L.L.Riedinger, X.Z.Wang, J.-Y.Zhang, H.J.Jensen, G.B.Hagemann, R.A.Bark, P.O.Tjom, S.Leoni, T.Lonnroth, H.Schnack-Petersen, T.Shizuma, J.Wrzesinski, P.B.Semmes Residual Interactions and Tilted Rotation in Odd-Odd 164Tm NUCLEAR REACTIONS 150Nd(19F, 5n), E=85 MeV; measured Eγ, Iγ(θ), γγ(t). 164Tm deduced high-spin levels, J, π, rotational bands, configurations, B(M1)/B(E2), isomeric states T1/2. Nordball array. NUCLEAR STRUCTURE 164Tm; calculated rotational bands features, B(M1)/B(E2), signature splitting; deduced proton-neutron interaction role. Particle-rotor model, tilted-axis cranking model calculations.
doi: 10.1103/PhysRevC.59.1351
1999SA59 Nucl.Phys. A660, 121 (1999) T.R.Saitoh, N.Hashimoto, G.Sletten, R.A.Bark, S.Tormanen, M.Bergstrom, K.Furuno, K.Furutaka, G.B.Hagemann, T.Hayakawa, T.Komatsubara, A.Maj, S.Mitarai, M.Oshima, J.Sampson, T.Shizuma, P.G.Varmette Structure of the Doubly Odd Nucleus 180Ta Description of 23 Bands NUCLEAR REACTIONS 176Yb(11B, 3nα), E=52, 55, 57 MeV; measured Eγ, Iγ, γγ-, αγ-coin. 180Ta deduced high-spin levels, J, π, T1/2, configurations, rotational bands, B(M1)/B(E2), gK factors. Slow beam pulsing, band mixing analysis, BCS calculations with blocking, astrophysical implications.
doi: 10.1016/S0375-9474(99)00356-5
1999SA60 Nucl.Phys. A660, 171 (1999); Erratum Nucl.Phys. A669, 381 (2000) T.R.Saitoh, N.Saitoh-Hashimoto, G.Sletten, R.A.Bark, M.Bergstrom, P.Regan, S.Tormanen, P.G.Varmette, P.M.Walker, C.Wheldon Collective and Intrinsic Structures in 183W NUCLEAR REACTIONS 176Yb(14C, 3nα), E=68 MeV; measured Eγ, Iγ, γγ-, αγ-coin. 183W deduced high-spin levels, J, π, T1/2, rotational bands, configurations, B(M1)/B(E2), gK factors. Slow beam pulsing, BCS calculations with blocking.
doi: 10.1016/S0375-9474(99)00381-4
1999SM13 Eur.Phys.J. A 6, 37 (1999) M.B.Smith, G.J.Campbell, R.Chapman, P.O.Tjom, R.A.Bark, G.B.Hagemann, N.Keeley, D.J.Middleton, H.Ryde, K.-M.Spohr Rotational Bands in 167Hf NUCLEAR REACTIONS 141Pr(30Si, 3np), E=155 MeV; measured Eγ, Iγ, γγ-coin. 167Hf deduced high-spin levels, J, π, configurations. Cranked mean-field calculations. Nordball array.
doi: 10.1007/s100500050314
1999SO08 Phys.Rev. C59, 1324 (1999) D.Sohler, J.Cederkall, M.Lipoglavsek, Zs.Dombradi, M.Gorska, J.Persson, D.Seweryniak, I.Ahmad, A.Atac, R.A.Bark, J.Blomqvist, M.P.Carpenter, B.Cederwall, C.N.Davids, C.Fahlander, S.M.Fischer, H.Grawe, G.Hackman, R.V.F.Janssens, A.Johnson, A.Kerek, W.Klamra, J.Kownacki, C.J.Lister, S.Mitarai, D.Nisius, L.-O.Norlin, J.Nyberg, G.Poli, P.Reiter, J.J.Ressler, H.A.Roth, J.Schwartz, G.Sletten, J.Uusitalo, W.B.Walters, M.Weiszflog Yrast States of the Proton Drip Line Nucleus 106Sb NUCLEAR REACTIONS 54Fe(58Ni, npα), E=261 MeV; measured Eγ, Iγ, (charged particle)γ-, (neutron)γ-, γγ-coin. 106Sb deduced levels, J, π. Cluster detectors, Si-ball. Shell model analysis. RADIOACTIVITY 106Sb(IT) [from 50Cr(58Ni, np), E=220 MeV]; measured Eγ, Iγ(t). 106Sb deduced isomeric state T1/2, ICC. Fragment mass analyzer.
doi: 10.1103/PhysRevC.59.1324
1999TO08 Phys.Lett. 454B, 8 (1999) S.Tormanen, S.W.Odegard, G.B.Hagemann, A.Harsmann, M.Bergstrom, R.A.Bark, B.Herskind, G.Sletten, P.O.Tjom, A.Gorgen, H.Hubel, B.Aengenvoort, U.J.van Severen, C.Fahlander, D.Napoli, S.Lenzi, C.Petrache, C.Ur, H.J.Jensen, H.Ryde, R.Bengtsson, A.Bracco, S.Frattini, R.Chapman, D.M.Cullen, S.L.King Triaxial Superdeformed Bands in 164Lu and Enhanced E1 Decay-Out Strength NUCLEAR REACTIONS 139La(29Si, 4n), E=145 MeV; measured Eγ, Iγ, γγ-coin. 164Lu deduced high-spin levels, J, π, configurations, triaxial deformation. Euroball array. Cranked mean-field calculations.
doi: 10.1016/S0370-2693(99)00346-9
1998BA20 Nucl.Phys. A630, 603 (1998) R.A.Bark, H.Carlsson, S.J.Freeman, G.B.Hagemann, F.Ingebretsen, H.J.Jensen, T.Lonnroth, M.J.Piiparinen, I.Ragnarsson, H.Ryde, H.Schnack-Petersen, P.B.Semmes, P.O.Tjom Band Structures and Proton-Neutron Interactions in 174Ta NUCLEAR REACTIONS 160Gd(19F, 5n), E=103, 105 MeV; measured Eγ, Iγ, γγ-coin. 174Ta deduced high-spin levels, J, π, rotational band structure, configurations, Nilsson assignments, alignments, B(M1)/B(E2) ratios, signature inversion, proton-neutron interactions, crossing frequencies.
doi: 10.1016/S0375-9474(97)00650-7
1998BB02 Nucl.Phys. A644, 29 (1998) R.A.Bark, H.Carlsson, S.J.Freeman, G.B.Hagemann, F.Ingebretsen, H.J.Jensen, T.Lonnroth, S.Mitarai, M.J.Piiparinen, H.Ryde, H.Schnack-Petersen, P.O.Tjom High-Spin States in 171Lu NUCLEAR REACTIONS 160Gd(19F, 4nα), E=103, 105 MeV; measured Eγ, Iγ, γγ-, αγ-coin. 171Lu deduced high-spin levels, J, π, rotational band structure, configurations, alignments, B(M1)/B(E2) ratios, B(E1). Signature inversion, crossing frequencies.
doi: 10.1016/S0375-9474(98)00583-1
1998BE69 Phys.Lett. 437B, 243 (1998); Erratum Phys.Lett. 451B, 445 (1999) M.A.Bentley, C.D.O'Leary, A.Poves, G.Martinez-Pinedo, D.E.Appelbe, R.A.Bark, D.M.Cullen, S.Erturk, A.Maj Mirror and Valence Symmetries at the Centre of the f7/2 Shell NUCLEAR REACTIONS 24Mg(28Si, pα), (28Si, nα), (28Si, n2p), (28Si, 2np), E=87 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin. 47Cr, 47V deduced high-spin levels, J, π, band termination. 47,49Cr, 47V, 49Mn deduced Coulomb energy differences, deformation spin dependence. Shell model, liquid drop model calculations.
doi: 10.1016/S0370-2693(98)00969-1
1998ES06 Nucl.Phys. A640, 163 (1998) J.M.Espino, G.B.Hagemann, I.G.Bearden, R.A.Bark, M.Bergstrom, A.Bracco, B.Herskind, H.J.Jensen, S.Leoni, C.Martinez-Torre, B.Million, P.O.Tjom Structure of Excited Bands in 162Tm and Residual Interactions NUCLEAR REACTIONS 130Te(37Cl, 5n), E=166 MeV; measured Eγ, Iγ, γγ-coin. 162Tm deduced high-spin levels, J, π, rotational band structure, configurations, alignments, B(M1)/B(E2), signature inversion, proton-neutron interactions.
doi: 10.1016/S0375-9474(98)00433-3
1998HA51 Eur.Phys.J. A 2, 327 (1998) N.Hashimoto, T.R.Saitoh, G.Sletten, R.A.Bark, M.Bergstrom, K.Furuno, T.Komatsubara, T.Shizuma, S.Tormanen, P.G.Varmette T-Band Phenomena in 183Re NUCLEAR REACTIONS 176Yb(11B, 4n), E=52, 57 MeV; measured Eγ, Iγ, γγ-coin, γγ(t). 183Re deduced high-spin levels, J, π, configurations, B(M1)/B(E2), aligned angular momentum.
doi: 10.1007/s100500050127
1998KM01 Eur.Phys.J. A 1, 11 (1998) M.Kmiecik, A.Maj, B.Herskind, A.Bracco, R.A.Bark, M.Bergstrom, F.Camera, G.Hagemann, N.Hashimoto, A.Holm, S.Leoni, T.Saitoh, T.S.Tveter Possible Evidence for the Entrance Channel Effect in Reactions Leading to 170W(*) NUCLEAR REACTIONS 110Pd(60Ni, xn), (60Ni, xnα), E=255, 260 MeV; 122Te(48Ti, xn), (48Ti, xnα), E=208, 215 MeV; measured neutron multiplicity vs excitation energy; deduced evidence for entrance channel effects.
1998LE22 Phys.Rev. C58, 1438 (1998) M.J.Leddy, J.L.Durell, S.J.Freeman, B.J.Varley, R.A.Bark, C.D.O'Leary, S.Tormanen In-Beam Spectroscopy of 79Y NUCLEAR REACTIONS 54Fe(28Si, 2np), E=97 MeV; measured Eγ, Iγ, γγ-, nγ-, (charged particle)γ-coin. 79Y deduced high-spin levels, J, π, rotational band. Cranking analysis. Cluster detectors.
doi: 10.1103/PhysRevC.58.1438
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