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NSR database version of April 11, 2024.

Search: Author = C.Ngwetsheni

Found 7 matches.

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2023OR01      Phys.Rev. C 108, 044309 (2023)

J.N.Orce, C.Ngwetsheni, B.A.Brown

Global trends of the electric dipole polarizability from shell-model calculations

doi: 10.1103/PhysRevC.108.044309
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2023SI22      Nucl.Data Sheets 192, 315 (2023)

B.Singh, M.S.Basunia, J.Chen, P.Dimitriou, B.M.S.Amro, S.Basu, S.Das, A.Karmakar, M.J.Lazaric, S.R.Leblond, S.S.Nayak, C.Ngwetsheni, A.Rathi, P.S.Rawat, B.Rohila, V.Vallet

Nuclear Structure and Decay Data for A=222 Isobars

COMPILATION 222Po, 222At, 222Rn, 222Fr, 222Ra, 222Ac, 222Th, 222Pa, 222U, 222Np; compiled, evaluated nuclear structure data.

doi: 10.1016/j.nds.2023.10.002
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This article is in the ENSDF database. For more information, click here.


2021GI14      Phys.Rev. C 104, 044313 (2021)

S.A.Gillespie, J.Henderson, K.Abrahams, F.A.Ali, L.Atar, G.C.Ball, N.Bernier, S.S.Bhattcharjee, R.Caballero-Folch, M.Bowry, A.Chester, R.Coleman, T.Drake, E.Dunling, A.B.Garnsworthy, B.Greaves, G.F.Grinyer, G.Hackman, E.Kasanda, R.LaFleur, S.Masango, D.Muecher, C.Ngwetsheni, S.S.Ntshangase, B.Olaizola, J.N.Orce, T.Rockman, Y.Saito, L.Sexton, P.Siuryte, J.Smallcombe, J.K.Smith, C.E.Svensson, E.Timakova, R.Wadsworth, J.Williams, M.S.C.Winokan, C.Y.Wu, T.Zidar

Coulomb excitation of 80, 82Kr and a change in structure approaching N=Z=40

NUCLEAR REACTIONS 196Pt, 208Pb(80Kr, 80Kr'), (82Kr, 82Kr'), E=4.17 MeV/nucleon from TRIUMF offline ion source (OLIS) and ISAC accelerator; measured Eγ, Iγ, (particle)γ-coin using TIGRESS array for γ rays, and double-sided silicon strip detectors for scattered beam- and target-like nuclei. 80,82Kr; deduced levels, J, π, Coulomb-excitation yields, and analyzed using GOSIA coupled-channels code, E2 and M1 matrix elements, B(E2) and B(M1), and spectroscopic quadrupole moments for the first 2+ and 4+ states; analyzed rotational invariants, and covariances and correlations on matrix elements. Comparison with previous experimental data for E2 matrix element and B(E2) values. Systematics of B(E2) and quadrupole moments of 74,76,78,80,82,84Kr, and those of cos(3δ) parameters for the first 2+ states in 66,68,70,72Zn, 70,72,74,76,78Ge, 72,74,76,78,80Se, 74,76,78,80,82Kr, 76,78,80,82,84Sr, and compared with expected values for an axially symmetric rotor.

doi: 10.1103/PhysRevC.104.044313
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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
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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
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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
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Data from this article have been entered in the XUNDL database. For more information, click here.


2018KU01      Phys.Lett. B 777, 250 (2018)

M.Kumar Raju, J.N.Orce, P.Navratil, G.C.Ball, T.E.Drake, S.Triambak, G.Hackman, C.J.Pearson, K.J.Abraham, E.H.Akakpo, H.Al Falou, R.Churchman, D.S.Cross, M.K.Djongolov, N.Erasmus, P.Finlay, A.B.Garnsworthy, P.E.Garrett, D.G.Jenkins, R.Kshetri, K.G.Leach, S.Masango, D.L.Mavela, C.V.Mehl, M.J.Mokgolobotho, C.Ngwetsheni, G.G.O'Neill, E.T.Rand, S.K.L.Sjue, C.S.Sumithrarachchi, C.E.Svensson, E.R.Tardiff, S.J.Williams, J.Wong

Reorientation-effect measurement of the first 2+ state in 12C: Confirmation of oblate deformation

NUCLEAR REACTIONS 194Pt(12C, 12C'), E=4.975 MeV/nucleon; measured reaction products, Eγ, Iγ. 12C; deduced γ-ray yields, B(E2) diagonal matrix element, oblate deformation. Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2017.12.009
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Data from this article have been entered in the XUNDL database. For more information, click here.


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