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NSR database version of April 24, 2024.

Search: Author = F.D.Smit

Found 98 matches.

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2024BA02      Phys.Rev. C 109, 014325 (2024)

A.Bahini, P.von Neumann-Cosel, J.Carter, I.T.Usman, N.N.Arsenyev, A.P.Severyukhin, E.Litvinova, R.W.Fearick, R.Neveling, P.Adsley, N.Botha, J.W.Brummer, L.M.Donaldson, S.Jongile, T.C.Khumalo, M.B.Latif, K.C.W.Li, P.Z.Mabika, P.T.Molema, C.S.Moodley, S.D.Olorunfunmi, P.Papka, L.Pellegri, B.Rebeiro, E.Sideras-Haddad, F.D.Smit, S.Triambak, M.Wiedeking, J.J.van Zyl

Fine structure of the isoscalar giant monopole resonance in 58Ni, 90Zr, 120Sn, and 208Pb

doi: 10.1103/PhysRevC.109.014325
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2024LI06      Phys.Rev. C 109, 015806 (2024)

K.C.W.Li, R.Neveling, P.Adsley, H.Fujita, P.Papka, F.D.Smit, J.W.Brummer, L.M.Donaldson, M.N.Harakeh, Tz.Kokalova, E.Nikolskii, W.Paulsen, L.Pellegri, S.Siem, M.Wiedeking

Understanding the total width of the 3-1 state in 12C

doi: 10.1103/PhysRevC.109.015806
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2023BA03      Phys.Rev. C 107, 034312 (2023)

A.Bahini, R.Neveling, P.von Neumann-Cosel, J.Carter, I.T.Usman, P.Adsley, N.Botha, J.W.Brummer, L.M.Donaldson, S.Jongile, T.C.Khumalo, M.B.Latif, K.C.W.Li, P.Z.Mabika, P.T.Molema, C.S.Moodley, S.D.Olorunfunmi, P.Papka, L.Pellegri, B.Rebeiro, E.Sideras-Haddad, F.D.Smit, S.Triambak, M.Wiedeking, J.J.van Zyl

Isoscalar giant monopole strength in 58Ni, 90Zr, 120Sn and 208Pb

NUCLEAR REACTIONS 58Ni, 90Zr, 120Sn, 208Pb(α, α'), E=196 MeV; measured Eα, Iα, angular distributions; deduced σ(θ, E) at zero and four degrees, isoscalar monopole strength functions. 58Ni, 90Zr, 120Sn, 208Pb; deduced isoscalar giant monopole resonance parameters - centroid energies, widths, EWSR. Difference-of-spectra (DoS) analysis technique. Comparison to other experimental data. K600 magnetic spectrometer at iThemba LABS.

doi: 10.1103/PhysRevC.107.034312
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2023BR04      Phys.Rev. C 107, 055802 (2023)

J.W.Brummer, P.Adsley, T.Rauscher, F.D.Smit, C.P.Brits, M.Kohne, N.A.Khumalo, K.C.W.Li, D.J.Marin-Lambarri, N.J.Mukwevho, F.Nemulodi, R.Neveling, P.Papka, L.Pellegri, V.Pesudo, B.M.Rebeiro, G.F.Steyn, W.Yahia-Cherif

Proton decays from α-unbound states in 22Mg and the 18Ne(α, p0)21Na cross section

NUCLEAR REACTIONS 24Mg(p, t)22Mg, E=100 MeV; measured reaction products, triton spectra, Ep, Ip. 22Mg; deduced levels, branching ratios for proton decay of the excited states. 18Ne(α, p)21Na, E(cm)=1-3 MeV; calculated exclusive σ(E) to the ground state with SMARAGD code using deduced p0 width. Comparison to TALYS, NON-SMOKER and SMARAGD calculations and other experimental results. K600 magnetic spectrometer and CAKE (Coincidence Array for K600 Experiments) array 5 double-sided silicon strip detectors at Separated-Sector Cyclotron (iThemba LABS).

doi: 10.1103/PhysRevC.107.055802
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2022AD10      Phys.Rev.Lett. 129, 102701 (2022)

P.Adsley, M.Heine, D.G.Jenkins, S.Courtin, R.Neveling, J.W.Brummer, L.M.Donaldson, N.Y.Kheswa, K.C.W.Li, D.J.Marin-Lambarri, P.Z.Mabika, P.Papka, L.Pellegri, V.Pesudo, B.Rebeiro, F.D.Smit, W.Yahia-Cherif

Extending the Hoyle-State Paradigm to 12C+12C Fusion

NUCLEAR REACTIONS 24Mg(α, α'), E=200 MeV; measured reaction products; deduced excitation-energy spectra, J, π, properties of 0+ states, estimates of 12C+12C fusion reaction rates. The Separated-Sector Cyclotron at iThemba LABS, Cape Town.

doi: 10.1103/PhysRevLett.129.102701
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2022BA04      Phys.Rev. C 105, 024311 (2022)

A.Bahini, V.O.Nesterenko, I.T.Usman, P.von Neumann-Cosel, R.Neveling, J.Carter, J.Kvasil, A.Repko, P.Adsley, N.Botha, J.W.Brummer, L.M.Donaldson, S.Jongile, T.C.Khumalo, M.B.Latif, K.C.W.Li, P.Z.Mabika, P.T.Molema, C.S.Moodley, S.D.Olorunfunmi, P.Papka, L.Pellegri, B.Rebeiro, E.Sideras-Haddad, F.D.Smit, S.Triambak, J.J.van Zyl

Isoscalar giant monopole resonance in 24Mg and 28Si: Effect of coupling between the isoscalar monopole and quadrupole strength

NUCLEAR REACTIONS 24Mg, 28Si(α, α'), E=196 MeV; measured Eα, Iα, angular distributions; deduced σ(θ). 24Mg, 28Si; deduced isoscalar monopole (IS0) strength distribution, coupling between IS0 and isoscalar quadrupole (IS2) strength. Multipole decomposition and DWBA analysis. Comparison with QRPA calculations and with previous experimental data. K600 magnetic spectrometer at iThemba LABS.

doi: 10.1103/PhysRevC.105.024311
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD1019. Data from this article have been entered in the XUNDL database. For more information, click here.


2022CA19      Phys.Lett. B 833, 137374 (2022)

J.Carter, L.M.Donaldson, H.Fujita, Y.Fujita, M.Jingo, C.O.Kureba, M.B.Latif, E.Litvinova, F.Nemulodi, P.von Neumann-Cosel, R.Neveling, P.Papakonstantinou, P.Papka, L.Pellegri, V.Yu.Ponomarev, A.Richter, R.Roth, E.Sideras-Haddad, F.D.Smit, J.A.Swartz, A.Tamii, R.Trippel, I.T.Usman, H.Wibowo

Damping of the isovector giant dipole resonance in 40, 48Ca

NUCLEAR REACTIONS 40,48Ca(p, p'), E=200 MeV; measured reaction products; deduced σ(θ, E), Coulomb σ, contributions from the IsoScalar Giant Monopole Resonance (ISGMR) and the ISGQR lying under the IsoVector Giant Dipole Resonance (IVGDR). Comparison with calculations in the framework of RPA and beyond-RPA in a relativistic approach based on an effective meson-exchange interaction, with the UCOM effective interaction. The Separated Sector Cyclotron (SSC) at the iThemba Laboratory for Accelerator Based Sciences (iThemba LABS), Cape Town, South Africa.

doi: 10.1016/j.physletb.2022.137374
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2022LI08      Phys.Rev. C 105, 024308 (2022)

K.C.W.Li, P.Adsley, R.Neveling, P.Papka, F.D.Smit, E.Nikolskii, J.W.Brummer, L.M.Donaldson, M.Freer, M.N.Harakeh, F.Nemulodi, L.Pellegri, V.Pesudo, M.Wiedeking, E.Z.Buthelezi, V.Chudoba, S.V.Fortsch, P.Jones, M.Kamil, J.P.Mira, G.G.O'Neill, E.Sideras-Haddad, B.Singh, S.Siem, G.F.Steyn, J.A.Swartz, I.T.Usman, J.J.van Zyl

Multiprobe study of excited states in 12C: Disentangling the sources of monopole strength between the energy of the Hoyle state and ex = 13 MeV

NUCLEAR REACTIONS 12C(α, α'), E=118, 160, 196, 200; 14C(p, t), E=67.5, 100 MeV; measured reaction products, Eα, Iα, (particle)α-coin; deduced excitation energy spectra. 12C; deduced levels, J, π, resonances, resonance widths, monopole strength distribution. Discussed the nature of monopole strength excess at around 9 MeV as possible breathing-mode excitation of the Hoyle state. CAKE-array of double-sided silicon strip detectors coupled with K600 magnetic spectrometer at iThemba LABS.

doi: 10.1103/PhysRevC.105.024308
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2022LI13      Phys.Lett. B 827, 136928 (2022)

K.C.W.Li, F.D.Smit, P.Adsley, R.Neveling, P.Papka, E.Nikolskii, J.W.Brummer, L.M.Donaldson, M.Freer, M.N.Harakeh, F.Nemulodi, L.Pellegri, V.Pesudo, M.Wiedeking, E.Z.Buthelezi, V.Chudoba, S.V.Fortsch, P.Jones, M.Kamil, J.P.Mira, G.G.O'Neill, E.Sideras-Haddad, B.Singh, S.Siem, G.F.Steyn, J.A.Swartz, I.T.Usman, J.J.van Zyl

Investigating the predicted breathing-mode excitation of the Hoyle state

NUCLEAR REACTIONS 12C(α, α'), E=200 MeV; 14C(p, t)12C, E not given; measured reaction products. 12C; deduced experimentally observed inclusive yields, monopole resonance as the breathing-mode excitation of the Hoyle state. The K600 spectrometer at the iThemba Laboratory for Accelerator-Based Sciences (iThemba LABS) in South Africa.

doi: 10.1016/j.physletb.2022.136928
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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
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2022OL03      Phys.Rev. C 105, 054319 (2022)

S.D.Olorunfunmi, R.Neveling, J.Carter, P.von Neumann-Cosel, I.T.Usman, P.Adsley, A.Bahini, L.P.L.Baloyi, J.W.Brummer, L.M.Donaldson, H.Jivan, N.Y.Kheswa, K.C.W.Li, D.J.Marin-Lambarri, P.T.Molema, C.S.Moodley, G.G.O'Neill, P.Papka, L.Pellegri, V.Pesudo, E.Sideras-Haddad, F.D.Smit, G.F.Steyn, A.A.Avaa, F.Diel, F.Dunkel, P.Jones, V.Karayonchev

Evolution of the isoscalar giant monopole resonance in the Ca isotope chain

NUCLEAR REACTIONS Ca, 42,44,48Ca(α, α'), E=196 MeV; measured Eα, Iα; deduced σ(θ), isoscalar giant monopole resonance strength distribution in the 9.5-25.5 MeV range, nucleus incompressibility KA. Analysis with difference-of-spectra (DoS) technique using measurements at 2 different angular covege settings of the spectrometer. Comparison to previous experimental results. K600 magnetic spectrometer at iThemba LABS.

doi: 10.1103/PhysRevC.105.054319
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD1023.


2021AD09      Phys.Rev. C 103, 044315 (2021)

P.Adsley, V.O.Nesterenko, M.Kimura, L.M.Donaldson, R.Neveling, J.W.Brummer, D.G.Jenkins, N.Y.Kheswa, J.Kvasil, K.C.W.Li, D.J.Marin-Lambarri, Z.Mabika, P.Papka, L.Pellegri, V.Pesudo, B.Rebeiro, P.-G.Reinhard, F.D.Smit, W.Yahia-Cherif

Isoscalar monopole and dipole transitions in 24Mg, 26Mg, and 28Si

NUCLEAR REACTIONS 24,26Mg, 28Si(α, α'), E=200 MeV; measured E(α), I(α), differential σ(θ) using K600 magnetic spectrometer for momentum analysis of α particles, and two multiwire drift chambers and two plastic scintillators at the iThemba LABS accelerator facility. 24,26Mg, 28Si; deduced levels, J, π, deformation parameters, percentage of the energy weighted sum rule (EWSR) for a level, B(E1), strength distributions for isoscalar dipole (IS1) and isoscalar monopole transitions (IS0), configurations. Comparison with Skyrme quasiparticle random-phase approximation (QRPA) and antisymmetrized molecular dynamics+generator coordinate method (AMD+GCM) calculations, and with experimental data in the ENSDF database.

doi: 10.1103/PhysRevC.103.044315
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD1003. Data from this article have been entered in the XUNDL database. For more information, click here.


2021KA45      Phys.Rev. C 104, L061303 (2021)

M.Kamil, S.Triambak, A.Magilligan, A.Garcia, B.A.Brown, P.Adsley, V.Bildstein, C.Burbadge, A.Diaz Varela, T.Faestermann, P.E.Garrett, R.Hertenberger, N.Y.Kheswa, K.G.Leach, R.Lindsay, D.J.Marin-Lambarri, F.Ghazi Moradi, N.J.Mukwevho, R.Neveling, J.C.Nzobadila Ondze, P.Papka, L.Pellegri, V.Pesudo, B.M.Rebeiro, M.Scheck, F.D.Smit, H.-F.Wirth

Isospin mixing and the cubic isobaric multiplet mass equation in the lowest T=2, A=32 quintet

ATOMIC MASSES 32Ar, 32Cl, 32S, 32P, 32Si; analyzed experimental masses by a cubic fit to the isobaric multiplet mass equation (IMME) for the lowest isospin T=2 quintet in A=32 nuclei; investigated isospin mixing by combining high-resolution experimental data for proton spectrum from 32Ar β-delayed proton decay, and from triton spectrum in 32S(3He, t) reaction with the state-of-the-art shell-model calculations; evaluated isospin mixing matrix elements; extracted cubic and quartic coefficients of the IMME; deduced that isospin mixing with nonanalog T=1 states contributes to the IMME breakdown. 32Ar; analyzed experimental β-delayed proton spectrum by R-matrix fit; calculated proton emission amplitudes from states in 32Cl.

doi: 10.1103/PhysRevC.104.L061303
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2020AC02      Nucl.Phys. A996, 121795 (2020)

J.Acharya, S.Mukherjee, G.F.Steyn, S.V.Fortsch, F.D.Smit, R.T.Newman, J.J.Lawrie, O.V.Fotina, A.Chatterjee

Non-equilibrium emission of alpha particles in the interaction of 14N with 59Co and 93Nb at incident energy of 250 MeV

doi: 10.1016/j.nuclphysa.2020.121695
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0975.


2020DO11      Phys.Rev. C 102, 064327 (2020)

L.M.Donaldson, J.Carter, P.von Neumann-Cosel, V.O.Nesterenko, R.Neveling, P.-G.Reinhard, I.T.Usman, P.Adsley, C.A.Bertulani, J.W.Brummer, E.Z.Buthelezi, G.R.J.Cooper, R.W.Fearick, S.V.Fortsch, H.Fujita, Y.Fujita, M.Jingo, N.Y.Kheswa, W.Kleinig, C.O.Kureba, J.Kvasil, M.Latif, K.C.W.Li, J.P.Mira, F.Nemulodi, P.Papka, L.Pellegri, N.Pietralla, V.Yu.Ponomarev, B.Rebeiro, A.Richter, N.Yu.Shirikova, E.Sideras-Haddad, A.V.Sushkov, F.D.Smit, G.F.Steyn, J.A.Swartz, A.Tamii

Fine structure of the isovector giant dipole resonance in 142-150Nd and 152Sm

NUCLEAR REACTIONS 142,144,146,148,150Nd, 152Sm(p, p'), E=200 MeV from the Separated Sector Cyclotron (SSC) at iThemba LABS; measured reaction products, E(p), I(p), time-of-flight using the K600 magnetic spectrometer, two multiwire drift chambers (MWDCs) and two plastic scintillators; deduced double-differential σ(E*=10-22 MeV), equivalent photoabsorption spectra, excitation-energy spectra, wavelet power spectra, fine structure of the isovector giant-dipole resonance (IVGDR), fragmentation of the one-particle-one-hole (1p1h) strength into several dominant transitions serving as doorway states in the spherical and intermediate spherical/deformed nuclei. Comparison with predictions of quasiparticle phonon model (QPM), and Skyrme separable random phase approximation (SSRPA).

doi: 10.1103/PhysRevC.102.064327
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0860.


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


2019LA24      Acta Phys.Pol. B50, 461 (2019)

M.B.Latif, I.T.Usman, J.Carter, E.Sideras-Haddad, L.M.Donaldson, M.Jingo, C.O.Kureba, L.Pellegri, R.Neveling, F.D.Smit, F.Nemulodi, P.von Neumann-Cosel, Y.Yu.Ponomarev, P.Papka, J.A.Swartz, G.R.J.Cooper, H.Fujita, P.Papakonstantinou, E.Litvinova

Evolution of the IVGDR and Its Fine Structure from Doubly-magic 40Ca to Neutron-rich 48Ca Probed Using (p, p') Scattering

NUCLEAR REACTIONS 40,42,44,48Ca(p, p'), E=200 MeV; measured reaction products, Ep, Ip; deduced σ(θ), photoabsorption σ, structure of Isovector Giant Dipole Resonance; calculated photoabsorpion σ using RQTBA, RQRPA and QRPA approaches. Wavelet analysis of the data.

doi: 10.5506/aphyspolb.50.461
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2018DO01      Phys.Lett. B 776, 133 (2018)

L.M.Donaldson, C.A.Bertulani, J.Carter, V.O.Nesterenko, P.von Neumann-Cosel, R.Neveling, V.Yu.Ponomarev, P.-G.Reinhard, I.T.Usman, P.Adsley, J.W.Brummer, E.Z.Buthelezi, G.R.J.Cooper, R.W.Fearick, S.V.Fortsch, H.Fujita, Y.Fujita, M.Jingo, W.Kleinig, C.O.Kureba, J.Kvasil, M.Latif, K.C.W.Li, J.P.Mira, F.Nemulodi, P.Papka, L.Pellegri, N.Pietralla, A.Richter, E.Sideras-Haddad, F.D.Smit, G.F.Steyn, J.A.Swartz, A.Tamii

Deformation dependence of the isovector giant dipole resonance: The neodymium isotopic chain revisited

NUCLEAR REACTIONS 144,146,148,150Nd, 152Sm(p, p'), E=200 MeV; measured reaction products, Eγ, Iγ; deduced σ, σ(θ, E), σ(θ). Comparison with DWBA calculations.

doi: 10.1016/j.physletb.2017.11.025
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0860. Data from this article have been entered in the XUNDL database. For more information, click here.


2018JI10      Eur.Phys.J. A 54, 234 (2018)

M.Jingo, E.Z.Buthelezi, J.Carter, G.R.J.Cooper, R.W.Fearick, S.V.Fortsch, C.O.Kureba, A.M.Krumbholz, P.von Neumann-Cosel, R.Neveling, P.Papka, I.Poltoratska, V.Yu.Ponomarev, A.Richter, E.Sideras-Haddad, F.D.Smit, J.A.Swartz, A.Tamii, I.T.Usman

Studies of the Giant Dipole Resonance in 27Al , 40Ca , 56Fe , 58Ni and 208Pb with high energy-resolution inelastic proton scattering under 0 degree

NUCLEAR REACTIONS 27Al, 40Ca, 56Fe, 58Ni, 208Pb(p, p'), E=200 MeV; measured Ep, Ip(θ) using two Vertical Drift Chambers and two plastic scintillators behind them; deduced σ(E, θ), IsoVector Giant Dipole Resonance (IVGDR) energy, Coulomb excitation σ vs E*, equivalent photoabsorption σ, IVGDR fine structure using Continuous Wavelet Transform (CWT) and Discrete Wavelet Transform (DWT); calculated equivalent photoabsorption σ using Quasiparticle-Phonon Model (QPM) with (1+2)-phonon and 1-phonon model spaces, power spectra from CWT analysis.

doi: 10.1140/epja/i2018-12664-5
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0936.


2018MU16      Phys.Rev. C 98, 051302 (2018)

N.J.Mukwevho, B.M.Rebeiro, D.J.Marin-Lambarri, S.Triambak, P.Adsley, N.Y.Kheswa, R.Neveling, L.Pellegri, V.Pesudo, F.D.Smit, E.H.Akakpo, J.W.Brummer, S.Jongile, M.Kamil, P.Z.Mabika, F.Nemulodi, J.N.Orce, P.Papka, G.F.Steyn, W.Yahia-Cherif

Second T=3/2 state in 9B and the isobaric multiplet mass equation

NUCLEAR REACTIONS 9Be(3He, t), (3He, d), E=50.61 MeV pulsed beam; measured E(t), I(t), E(d), I(d), and time-of-flight using the K600 magnetic spectrometer with multiwire drift chamber and plastic scintillator for particle identification at the cyclotron facility of iThemba LABS. 9B; deduced levels, J, π, isospin, energy of the second T=3/2 state. Comparison with previous experimental data. Discussed implications for the cubic isobaric multiplet mass equation (IMME) for the A=9 system.

doi: 10.1103/PhysRevC.98.051302
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Data from this article have been entered in the XUNDL database. For more information, click here.


2017AD07      Phys.Rev. C 95, 024319 (2017)

P.Adsley, D.G.Jenkins, J.Cseh, S.S.Dimitrova, J.W.Brummer, K.C.W.Li, D.J.Marin-Lambarri, K.Lukyanov, N.Y.Kheswa, R.Neveling, P.Papka, L.Pellegri, V.Pesudo, L.C.Pool, G.Riczu, F.D.Smit, J.J.van Zyl, E.Zemlyanaya

α clustering in 28Si probed through the identification of high-lying 0+ states

NUCLEAR REACTIONS 28Si(α, α'), E=200 MeV; measured scattered particles, σ(θ) using K600 magnetic spectrometer at iThemba LABS, natural Si target. 28Si; deduced levels, L-transfers, J, π, high-lying 0+ states. Comparison with multichannel dynamical symmetry (MUSY) calculations.

doi: 10.1103/PhysRevC.95.024319
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0836. Data from this article have been entered in the XUNDL database. For more information, click here.


2017AD34      Phys.Rev. C 96, 055802 (2017)

P.Adsley, J.W.Brummer, K.C.W.Li, D.J.Marin-Lambarri, N.Y.Kheswa, L.M.Donaldson, R.Neveling, P.Papka, L.Pellegri, V.Pesudo, L.C.Pool, F.D.Smit, J.J.van Zyl

Re-examining the 26Mg(α, α')26Mg reaction: Probing astrophysically important states in 26Mg

NUCLEAR REACTIONS 26Mg(α, α'), E=200 MeV; measured Eα, Iα, differential σ(θ) using K600 magnetic spectrometer at iThemba LABS. 26Mg; deduced levels, α-resonances, L-transfer, J, π, new 0+ at 10.824 MeV. DWBA analysis of σ(θ) data. Comparison with previous experimental data. Implications for astrophysical reaction rate for 22Ne(α, γ)26Mg reaction.

doi: 10.1103/PhysRevC.96.055802
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0903. Data from this article have been entered in the XUNDL database. For more information, click here.


2017LI08      Phys.Rev. C 95, 031302 (2017)

K.C.W.Li, R.Neveling, P.Adsley, P.Papka, F.D.Smit, J.W.Brummer, C.Aa.Diget, M.Freer, M.N.Harakeh, Tz.Kokalova, F.Nemulodi, L.Pellegri, B.Rebeiro, J.A.Swartz, S.Triambak, J.J.van Zyl, C.Wheldon

Characterization of the proposed 4-α cluster state candidate in 16O

NUCLEAR REACTIONS 16O(α, α'), E=200 MeV; measured Eα, Iα, E(p), I(p), (particle)(particle)-coin, angular correlations of charged-particle decays from 16O via α and proton decays using K600 magnetic spectrometer at iThemba LABS. 16O; deduced levels, resonances, L-transfers, J, π, total widths and branching ratios for particle decays of resonances extracted from R-matrix fits, a resonance at 15.090 MeV, 0+ suggested as a candidate for the 4α cluster state, consistent with several theoretical cluster calculations.

doi: 10.1103/PhysRevC.95.031302
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2017LO05      Phys.Rev. C 95, 055803 (2017)

A.M.Long, T.Adachi, M.Beard, G.P.A.Berg, Z.Buthelezi, J.Carter, M.Couder, R.J.deBoer, R.W.Fearick, S.V.Fortsch, J.Gorres, J.P.Mira, S.H.T.Murray, R.Neveling, P.Papka, F.D.Smit, E.Sideras-Haddad, J.A.Swartz, R.Talwar, I.T.Usman, M.Wiescher, J.J.Van Zyl, A.Volya

Indirect study of the stellar 34Ar(α, p)37K reaction rate through 40Ca(p, t)38Ca reaction measurements

NUCLEAR REACTIONS 40Ca(p, t)38Ca, E=100 MeV; measured spectra using the K=600 magnetic spectrograph, triton spectra at K=200 Separated Sector Cyclotron facility of iThemba LABS. 38Ca; deduced levels, α-unbound states, resonances, α-spectroscopic factors. Comparison with previous experimental results. 34Ar(α, p)37K, T9=0.2-3.0; deduced reaction rates as a function of stellar temperature, and compared with theoretical model calculations using NON-SMOKER-v5.0w and TALYS 1.8 codes. Relevance to type I x-ray bursts (XRBs).

doi: 10.1103/PhysRevC.95.055803
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2016US03      Phys.Rev. C 94, 024308 (2016)

I.T.Usman, Z.Buthelezi, J.Carter, G.R.J.Cooper, R.W.Fearick, S.V.Fortsch, H.Fujita, Y.Fujita, P.von Neumann-Cosel, R.Neveling, P.Papakonstantinou, I.Pysmenetska, A.Richter, R.Roth, E.Sideras-Haddad, F.D.Smit

Fine structure of the isoscalar giant quadrupole resonance in 28Si and 27Al

NUCLEAR REACTIONS 27Al, Si(p, p'), E=200 MeV; measured scattered proton spectra, angular distributions using K600 magnetic spectrometer of iThemba LABS. 27Al, 28Si; deduced levels and resonances between 6-30 MeV excitation, isoscalar giant quadrupole resonance (ISGQR), E2 strength distributions, continuous wavelet transform (CWT) power spectra. Wavelet analysis. Comparison with random phase approximation (RPA), and second-RPA (SRPA) calculations with realistic interaction from unitary correlation operator method (UCOM). Comparison with (α, α') and (e, e') data.

doi: 10.1103/PhysRevC.94.024308
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2015HA21      Phys.Rev. C 92, 031305 (2015)

T.Hashimoto, A.M.Krumbholz, P.-G.Reinhard, A.Tamii, P.von Neumann-Cosel, T.Adachi, N.Aoi, C.A.Bertulani, H.Fujita, Y.Fujita, E.Ganioglu, K.Hatanaka, E.Ideguchi, C.Iwamoto, T.Kawabata, N.T.Khai, A.Krugmann, D.Martin, H.Matsubara, K.Miki, R.Neveling, H.Okamura, H.J.Ong, I.Poltoratska, V.Yu.Ponomarev, A.Richter, H.Sakaguchi, Y.Shimbara, Y.Shimizu, J.Simonis, F.D.Smit, G.Susoy, T.Suzuki, J.H.Thies, M.Yosoi, J.Zenihiro

Dipole polarizability of 120Sn and nuclear energy density functionals

NUCLEAR REACTIONS 120Sn(polarized p, p'), E=295 MeV; measured scattered proton spectra, p(θ) using Grand Raiden spectrometer at RCNP-Osaka; analyzed polarization transfer observables; deduced ISGQR excitation, B(E1), precise electric dipole polarizability αD, nuclear symmetry energy and its density dependence. Comparison with other experimental data. Comparison with model calculations based on Skyrme interactions and on relativistic Hamiltonians.

doi: 10.1103/PhysRevC.92.031305
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2015KR05      Phys.Lett. B 744, 7 (2015)

A.M.Krumbholz, P.von Neumann-Cosel, T.Hashimoto, A.Tamii, T.Adachi, C.A.Bertulani, H.Fujita, Y.Fujita, E.Ganioglu, K.Hatanaka, C.Iwamoto, T.Kawabata, N.T.Khai, A.Krugmann, D.Martin, H.Matsubara, R.Neveling, H.Okamura, H.J.Ong, I.Poltoratska, V.Yu.Ponomarev, A.Richter, H.Sakaguchi, Y.Shimbara, Y.Shimizu, J.Simonis, F.D.Smit, G.Susoy, J.H.Thies, T.Suzuki, M.Yosoi, J.Zenihiro

Low-energy electric dipole response in 120Sn

NUCLEAR REACTIONS 120Sn(p, p'), E=295 MeV; measured reaction products, Ep, Ip; deduced σ, σ(θ, E), B(E1). Comparison with available data.

doi: 10.1016/j.physletb.2015.03.023
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2015MA48      Phys.Rev.Lett. 115, 102501 (2015)

H.Matsubara, A.Tamii, H.Nakada, T.Adachi, J.Carter, M.Dozono, H.Fujita, K.Fujita, Y.Fujita, K.Hatanaka, W.Horiuchi, M.Itoh, T.Kawabata, S.Kuroita, Y.Maeda, P.Navratil, P.von Neumann-Cosel, R.Neveling, H.Okamura, L.Popescu, I.Poltoratska, A.Richter, B.Rubio, H.Sakaguchi, S.Sakaguchi, Y.Sakemi, Y.Sasamoto, Y.Shimbara, Y.Shimizu, F.D.Smit, K.Suda, Y.Tameshige, H.Tokieda, Y.Yamada, M.Yosoi, J.Zenihiro

Nonquenched Isoscalar Spin-M1 Excitations in sd-Shell Nuclei

NUCLEAR REACTIONS 24Mg, 28Si, 32S, 36Ar(p, p'), E=295 MeV; measured reaction products, Ep, Ip; deduced σ(θ), σ(θ, E), the squared spin M1 nuclear transition matrix elements, no quenching for isoscalar spin M1 transitions, while the matrix elements for isovector spin M1 transitions are quenched by an amount comparable with the analogous Gamow-Teller transitions on those target nuclei. Comparison with no-core shell model (NCSM) calculations.

doi: 10.1103/PhysRevLett.115.102501
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2015SW01      Phys.Rev. C 91, 034317 (2015)

J.A.Swartz, B.A.Brown, P.Papka, F.D.Smit, R.Neveling, E.Z.Buthelezi, S.V.Fortsch, M.Freer, Tz.Kokalova, J.P.Mira, F.Nemulodi, J.N.Orce, W.A.Richter, G.F.Steyn

Spectroscopy of narrow, high-lying, low-spin states in 20Ne

NUCLEAR REACTIONS 22Ne(p, t), E=60 MeV; measured triton spectra, σ(θ) using QDD magnetic spectrometer at iThemba Labs. 20Ne; deduced levels, J, π, possible 5α cluster state, isospin T=2 states in 20Ne, 20O and 20F. Comparison of angular distributions with calculations using FRESCO code, and structure data with shell-model calculations using OXBASH code.

doi: 10.1103/PhysRevC.91.034317
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2015VA04      Phys.Rev. C 91, 024614 (2015)

J.J.van Zyl, A.A.Cowley, R.Neveling, E.Z.Buthelezi, S.V.Fortsch, J.Mabiala, J.P.Mira, F.Nemulodi, F.D.Smit, G.F.Steyn, J.A.Swartz, I.T.Usman

Incident-energy dependence of angular distributions of cross section and analyzing power for the 58Ni (p(pol) 3He) reaction between 80 and 120 MeV

NUCLEAR REACTIONS 58Ni(polarized p, 3He)56Co, E=80, 100, 118 MeV; measured 3He spectra, σ(θ), analyzing powers at cyclotron facility of iThemba LABS. 56Co; deduced levels, l-transfers, J, π, spectroscopic factors. Optical model, and macroscopic zero-range distorted-wave Born approximation (DWBA) analyses. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.91.024614
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2014DO08      Nucl.Data Sheets 120, 44 (2014)

A.R.Domula, D.Gehre, K.Zuber, J.C.Drohe, N.Nankov, A.J.M.Plompen, C.Rouki, M.Stanoiu, A.Klix, A.Buffler, D.Geduld, F.D.Smit, C.Vermeulen, P.Maleka, R.T.Newman, R.Nolte, A.Wallner

New Nuclear Structure and Decay Results in the 76Ge-76As System

RADIOACTIVITY 76Ga(β-), 76As(EC); measured decay products, Eγ, Iγ, X-rays.; deduced level energies, intensities, branching ratios. Comparison with available data.

NUCLEAR REACTIONS 76Ge(n, n'), E<1.4 MeV; measured reaction products, Eγ, Iγ.; deduced σ. Comparison with available data.

doi: 10.1016/j.nds.2014.07.002
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2013FU15      Phys.Rev. C 88, 054329 (2013)

H.Fujita, Y.Fujita, T.Adachi, H.Akimune, N.T.Botha, K.Hatanaka, H.Matsubara, K.Nakanishi, R.Neveling, A.Okamoto, Y.Sakemi, T.Shima, Y.Shimizu, F.D.Smit, T.Suzuki, A.Tamii, M.Yosoi

Isospin mixing of the isobaric analog state studied in a high-resolution 56Fe(3He, t)56Co reaction

NUCLEAR REACTIONS 56Fe(3He, t), E=100, 140 MeV/nucleon; measured E(t) I(t), σ(θ) using Grand Raiden magnetic spectrometer at RCNP facility. 56Co; deduced levels, IAS, L-transfer, J, π, isospin, Fermi and Gamow-Teller transitions, isospin mixing matrix element and isospin impurity. DWBA analysis. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.88.054329
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2013KO14      Phys.Rev. C 87, 057307 (2013)

Tz.Kokalova, M.Freer, Z.Buthelezi, J.Carter, R.W.Fearick, S.V.Fortsch, H.Fujita, R.Neveling, P.Papka, F.D.Smit, J.A.Swartz, I.Usman

Precision measurement of the 9.641 MeV, 3- state in 12C

NUCLEAR REACTIONS 12C(p, p'), E=66 MeV; measured E(p), I(p), σ(θ) using K600 magnetic spectrometer at iThemba LABS. 12C; deduced width of 9.641 MeV, 3- state. R-matrix analysis. Wigner limit and α-particle content.

doi: 10.1103/PhysRevC.87.057307
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2012BE55      J.Phys.:Conf.Ser. 387, 012003 (2012)

G.P.A.Berg, Y.Fujita, J.Gorres, M.N.Harakeh, K.Hatanaka, A.Long, R.Neveling, F.D.Smit, R.Talwar, A.Tamii, M.Wiescher

High precision measurements for the rp-process

NUCLEAR REACTIONS 38Ca(α, p), E not given; measured Ep, Ip(θ). 40Ca(p, t), E=100 MeV; measured E(t), I(t, θ); deduced triton spectrum. 46Ti(α, 8He), E=206 MeV; measured E(particle), I(particle, θ). To be deduced rp-process reaction rates.

doi: 10.1088/1742-6596/387/1/012003
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2012FR05      Phys.Rev. C 86, 034320 (2012)

M.Freer, M.Itoh, T.Kawabata, H.Fujita, H.Akimune, Z.Buthelezi, J.Carter, R.W.Fearick, S.V.Fortsch, M.Fujiwara, U.Garg, N.Hashimoto, K.Kawase, S.Kishi, T.Murakami, K.Nakanishi, Y.Nakatsugawa, B.K.Nayak, R.Neveling, S.Okumura, S.M.Perez, P.Papka, H.Sakaguchi, Y.Sasamoto, F.D.Smit, J.A.Swartz, H.Takeda, S.Terashima, M.Uchida, I.Usman, Y.Yasuda, M.Yosoi, J.Zenihiro

Consistent analysis of the 2+ excitation of the 12C Hoyle state populated in proton and α-particle inelastic scattering

NUCLEAR REACTIONS 12C(p, p'), E=66 MeV; 12C(α, α'), E=386 MeV; measured 12C excitation spectra. 12C; deduced levels, 2+ excitation of the 0+ Hoyle state. R-matrix analysis. Discussed potential geometric arrangements of the cluster structures.

doi: 10.1103/PhysRevC.86.034320
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2012PO07      Phys.Rev. C 85, 041304 (2012)

I.Poltoratska, P.von Neumann-Cosel, A.Tamii, T.Adachi, C.A.Bertulani, J.Carter, M.Dozono, H.Fujita, K.Fujita, Y.Fujita, K.Hatanaka, M.Itoh, T.Kawabata, Y.Kalmykov, A.M.Krumbholz, E.Litvinova, H.Matsubara, K.Nakanishi, R.Neveling, H.Okamura, H.J.Ong, B.Ozel-Tashenov, V.Yu.Ponomarev, A.Richter, B.Rubio, H.Sakaguchi, Y.Sakemi, Y.Sasamoto, Y.Shimbara, Y.Shimizu, F.D.Smit, T.Suzuki, Y.Tameshige, J.Wambach, M.Yosoi, J.Zenihiro

Pygmy dipole resonance in 208Pb

NUCLEAR REACTIONS 208Pb(p, p'), E=295 MeV; measured Ep, Ip, σ(θ). 208Pb; deduced levels, J, π, PDR, σ(E1), σ(M1), B(E1). Multipole decomposition analysis based on DWBA calculations. Comparison with quasiparticle-phonon model (QPM), relativistic time-blocking approximation (RTBA), and shell model calculations. Separation of PDR and GDR strength with Coulomb-nuclear interference.

doi: 10.1103/PhysRevC.85.041304
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2012SM06      Phys.Rev. C 86, 037301 (2012)

F.D.Smit, F.Nemulodi, Z.Buthelezi, J.Carter, R.W.Fearick, S.V.Fortsch, M.Freer, H.Fujita, M.Jingo, C.O.Kureba, J.Mabiala, J.Mira, R.Neveling, P.Papka, G.F.Steyn, J.A.Swartz, I.T.Usman, J.J.van Zyl

No evidence of an 11.16 MeV 2+ state in 12C

NUCLEAR REACTIONS 11B(3He, d)12C, E=44 MeV; measured Ed, Id, energy loss, time of flight using magnetic spectrometer, σ(θ). R-matrix analysis; deduced level; no evidence for a previously reported 2+ state at 11.16 MeV.

doi: 10.1103/PhysRevC.86.037301
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2012US02      J.Phys.:Conf.Ser. 337, 012034 (2012)

I.Usman, Z.Buthelezi, J.Carter, G.R.J.Cooper, R.W.Fearick, S.V.Fortsch, H.Fujita, Y.Kalmykov, P.von Neumann-Cosel, R.Neveling, I.Poltoratska, A.Richter, A.Shevchenko, E.Sideras-Haddad, F.D.Smit, J.Wambach

2+ level densities in 40Ca extracted from high energy-resolution (p, p') experiments

NUCLEAR REACTIONS 40Ca(p, p'), E=200 MeV; measured reaction products; deduced σ(θ, E), autocorrelation function, level density with specified J, π; calculated density with specified J, π using BSFG, HFB and HF-BCS.

doi: 10.1088/1742-6596/337/1/012034
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2011DE01      Appl.Radiat.Isot. 69, 320 (2011)

R.J.de Meijer, M.Blaauw, F.D.Smit

No evidence for antineutrinos significantly influencing exponential β+ decay

RADIOACTIVITY 152Eu(β-), (β+), (EC), 137Cs(β-), 22Na, 54Mn(EC); measured Eγ, Iγ, x-rays; deduced decay constant ratio.

doi: 10.1016/j.apradiso.2010.08.002
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2011HE24      J.Phys.:Conf.Ser. 312, 092029 (2011)

A.M.Heilmann, P.von Neumann-Cosel, A.Tamil, T.Adachi, C.Bertulani, J.Carter, H.Fujuita, Y.Fujita, K.Hatanaka, K.Hirota, On.H.Jin, T.Kawabata, A.Krugmann, H.Matsubara, E.Litvinova, R.Neveling, H.Okamura, B.Ozel-Tashenov, I.Poltoratska, V.Yu.Ponomarev, A.Richter, H.Sakaguchi, Y.Sakemi, Y.Sasamoto, Y.Shimizu, Y.Shimbara, F.D.Smit, T.Suzuki, Y.Tameshige, Y.Yasuda, M.Yosoi, J.Zenihiro

Electric dipole response in 120Sn

NUCLEAR REACTIONS 120Sn(polarized p, p'), E=295 MeV; measured Ep, Ip(θ=forward), proton polarization using high-resolution Grand Raiden magnetic spectrometer; deduced B(E1) strength distribution. Data of published DALINAC-S experiment with (γ, γ') used to extract B(E1) strengths.

doi: 10.1088/1742-6596/312/9/092029
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2011MO06      Phys.Rev. C 83, 037302 (2011)

B.Mouginot, E.Khan, R.Neveling, F.Azaiez, E.Z.Buthelezi, S.V.Fortsch, S.Franchoo, H.Fujita, J.Mabiala, J.P.Mira, P.Papka, A.Ramus, J.A.Scarpaci, F.D.Smit, I.Stefan, J.A.Swartz, I.Usman

Search for the giant pairing vibration through ( p, t) reactions around 50 and 60 MeV

NUCLEAR REACTIONS 120Sn, 205Pb(p, t), E=50, 60 MeV; measured E(t), I(t), TOF; deduced σ; investigated existence of giant pairing vibration (GPV) in 120Sn and 205Pb. No clear signal found for GPV.

doi: 10.1103/PhysRevC.83.037302
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2011NE16      Nucl.Instrum.Methods Phys.Res. A 654, 29 (2011)

R.Neveling, H.Fujita, F.D.Smit, T.Adachi, G.P.A.Berg, E.Z.Buthelezi, J.Carter, J.L.Conradie, M.Couder, R.W.Fearick, S.V.Fortsch, D.T.Fourie, Y.Fujita, J.Gorres, K.Hatanaka, M.Jingo, A.M.Krumbholz, C.O.Kureba, J.P.Mira, S.H.T.Murray, P.Von Neumann-Cosel, S.O'Brien, P.Papka, I.Poltoratska, A.Richter, E.Sideras-Haddad, J.A.Swartz, A.Tamii, I.T.Usman, J.J.Van Zyl

High energy-resolution zero-degree facility for light-ion scattering and reactions at iThemba LABS

NUCLEAR REACTIONS 40Ca(p, p'), E=200 MeV; measured products, 40Ca; deduced σ(θ). Data were imported from EXFOR entry D0706.

doi: 10.1016/j.nima.2011.06.077
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2011TA18      Phys.Rev.Lett. 107, 062502 (2011)

A.Tamii, I.Poltoratska, P.von Neumann-Cosel, Y.Fujita, T.Adachi, C.A.Bertulani, J.Carter, M.Dozono, H.Fujita, K.Fujita, K.Hatanaka, D.Ishikawa, M.Itoh, T.Kawabata, Y.Kalmykov, A.M.Krumbholz, E.Litvinova, H.Matsubara, K.Nakanishi, R.Neveling, H.Okamura, H.J.Ong, B.Ozel-Tashenov, B.Rubio, H.Sakaguchi, Y.Sakemi, Y.Sasamoto, Y.Shimbara, Y.Shimizu, V.Yu.Ponomarev, A.Richter, F.D.Smit, T.Suzuki, Y.Tameshige, J.Wambach, R.Yamada, M.Yosoi, J.Zenihiro

Complete Electric Dipole Response and the Neutron Skin in 208Pb

NUCLEAR REACTIONS 208Pb(p, p'), E<20 MeV; measured reaction products, proton spectra; deduced electric dipole (E1) and spin magnetic dipole (M1) modes, E1 strength distribution, neutron skin thickness. Comparison with experimental data.

doi: 10.1103/PhysRevLett.107.062502
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2011US01      Phys.Lett. B 698, 191 (2011)

I.Usman, Z.Buthelezi, J.Carter, G.R.J.Cooper, R.W.Fearick, S.V.Fortsch, H.Fujita, Y.Fujita, Y.Kalmykov, P.von Neumann-Cosel, R.Neveling, P.Papakonstantinou, A.Richter, R.Roth, A.Shevchenko, E.Sideras-Haddad, F.D.Smit

Fine structure of the isoscalar giant quadrupole resonance in 40Ca due to Landau damping?

NUCLEAR REACTIONS 40Ca(p, p'), E=200 MeV; measured proton spectra. 40Ca; deduced energy scale for isoscalar giant quadrupole resonance, fine structure. Comparison with RPA and SRPA calculations.

doi: 10.1016/j.physletb.2011.03.015
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2011US03      Phys.Rev. C 84, 054322 (2011)

I.Usman, Z.Buthelezi, J.Carter, G.R.J.Cooper, R.W.Fearick, S.V.Fortsch, H.Fujita, Y.Kalmykov, P.von Neumann-Cosel, R.Neveling, I.Poltoratska, A.Richter, A.Shevchenko, E.Sideras-Haddad, F.D.Smit, J.Wambach

Level density of 2+ states in 40Ca from high-energy-resolution (p, p') experiments

NUCLEAR REACTIONS 40Ca(p, p'), E=200 MeV; measured E(p), I(p), double differential σ, σ(θ); deduced excitation energy, level density for 2+ states in the ISGQR region; analyzed fine structure of ISGQR. Fluctuation analysis. Comparison with backshifted Fermi gas and microscopic HF-BCS and HFB models.

doi: 10.1103/PhysRevC.84.054322
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2011ZI01      Phys.Rev. C 84, 027304 (2011)

W.R.Zimmerman, N.E.Destefano, M.Freer, M.Gai, F.D.Smit

Further evidence for the broad 2+2 state at 9.6 MeV in 12C

NUCLEAR REACTIONS 12C(p, p'), E=25 MeV; measured Ep, Ip, σ(θ). 12C; deduced levels, resonances, J, π. Comparison with previous experiments.

doi: 10.1103/PhysRevC.84.027304
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2010AD18      Radiat.Meas. 45, 1193 (2010)

B.A.S.Adam, E.Z.Buthelezi, M.R.Nchodu, F.D.Smit, M.Herbert

Monte Carlo simulations of the production of neutrons at iThemba LABS

NUCLEAR REACTIONS 7Li, 9Be, 12C(p, n), E=66 MeV; calculated neutron fluence and dose. FLUKA Monte Carlo radiation transport code, comparison with experimental data.

doi: 10.1016/j.radmeas.2010.06.050
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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
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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
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2010FR03      Nucl.Phys. A834, 621c (2010)

M.Freer, H.Fujita, Z.Buthelezi, J.Carter, R.W.Fearick, S.V.Fortsch, R.Neveling, S.M.Perez, P.Papka, F.D.Smit, J.A.Swartz, I.Usman, P.J.Haigh, N.I.Ashwood, T.Bloxham, N.Curtis, P.McEwan, H.G.Bohlen, T.Dorsch, Tz.Kokalova, Ch.Schulz, C.Wheldon

Cluster Structure of 12C and 11Be

NUCLEAR REACTIONS 12C(p, p'), E=66 MeV; measured Ep, Ip(θ=10null, 16null, 28null). 9Be(16O, 14O), E=234 MeV; measured E(particle), I(particle). 11Be; deduced levels, J, π. 11Be, 12C calculated levels, J, π, rotational and vibrational bands assuming 2α+3n for 11Be and 3α for 12C.

doi: 10.1016/j.nuclphysa.2010.01.107
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2010HE03      Phys.Rev. C 81, 034604 (2010)

W.D.Heiss, R.G.Nazmitdinov, F.D.Smit

Time scales in nuclear giant resonances

doi: 10.1103/PhysRevC.81.034604
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2009CO01      Europhys.Lett. 85, 22001 (2009)

A.A.Cowley, J.Mabiala, E.Z.Buthelezi, S.V.Fortsch, R.Neveling, F.D.Smit, G.F.Steyn, J.J.van Zyl

Analyzing power distribution in the 12C(p, pα)8Be(g.s.) reaction at an incident energy of 100 MeV

NUCLEAR REACTIONS 12C(p, pα), E=101 MeV; measured cross section and analyzing power.

doi: 10.1209/0295-5075/85/22001
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2009FR07      Phys.Rev. C 80, 041303 (2009)

M.Freer, H.Fujita, Z.Buthelezi, J.Carter, R.W.Fearick, S.V.Fortsch, R.Neveling, S.M.Perez, P.Papka, F.D.Smit, J.A.Swartz, I.Usman

2+ excitation of the 12C Hoyle state

NUCLEAR REACTIONS 12C(p, p'), E=66 MeV; 13C(p, p'), E=200 MeV; measured Ep and σ(θ). 12C; deduced levels, J, π, 2+ excitation of the Hoyle state in 12C. Coupled-channel (CCRC) analysis. Implications for the 8Be+4He reaction rate in stellar environments discussed.

doi: 10.1103/PhysRevC.80.041303
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2009FU03      Phys.Rev. C 79, 024314 (2009)

H.Fujita, G.P.A.Berg, Y.Fujita, J.Rapaport, T.Adachi, N.T.Botha, H.Fujimura, K.Fujita, K.Hara, K.Hatanaka, J.Kamiya, T.Kawabata, K.Nakanishi, R.Neveling, N.Sakamoto, Y.Sakemi, Y.Shimbara, Y.Shimizu, F.D.Smit, M.Uchida, T.Wakasa, M.Yoshifuku, M.Yosoi, R.G.T.Zegers

High resolution study of isovector negative parity states in the 16O(3He, t)16F reaction at 140 MeV/nucleon

NUCLEAR REACTIONS 12C, 16O(3He, t), E=140 MeV/nucleon; measured triton spectra, σ, angular distributions. 16F; deduced levels, J, π, widths. 12N; deduced levels, J. Comparison with distorted wave Born approximation. 30Si(3He, t), E=140 MeV/nucleon; analyzed angular distribution data for IAS.

doi: 10.1103/PhysRevC.79.024314
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2009MA21      Phys.Rev. C 79, 054612 (2009)

J.Mabiala, A.A.Cowley, S.V.Fortsch, E.Z.Buthelezi, R.Neveling, F.D.Smit, G.F.Steyn, J.J.Van Zyl

Analyzing power and cross section distributions of the 12C(p, pα)8Be cluster knockout reaction at an incident energy of 100 MeV

NUCLEAR REACTIONS 12C(polarized p, pα)8Be, E=100 MeV; measured particle spectra, (particle)(particle)-coin, σ, σ(θ), vector analyzing powers; deduced energy sharing cross sections with different optical potential model parameters and spectroscopic factors. Distorted-wave impulse approximation (DWIA) analysis.

doi: 10.1103/PhysRevC.79.054612
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2009SH19      Phys.Rev. C 79, 044305 (2009)

A.Shevchenko, O.Burda, J.Carter, G.R.J.Cooper, R.W.Fearick, S.V.Fortsch, H.Fujita, Y.Fujita, Y.Kalmykov, D.Lacroix, J.J.Lawrie, P.von Neumann-Cosel, R.Neveling, V.Yu.Ponomarev, A.Richter, E.Sideras-Haddad, F.D.Smit, J.Wambach

Global investigation of the fine structure of the isoscalar giant quadrupole resonance

NUCLEAR REACTIONS 58Ni, 89Y, 90Zr, 120Sn, 142Nd, 166Er, 208Pb(p, p'), E=200 MeV; measured proton spectra, angular distributions; deduced isoscalar giant quadrupole resonance (ISGQR) and associated E2 strength functions. Wavelet analysis. Comparisons with quasiparticle-phonon model (QPM), extended time-dependent Hartree-Fock method (ETDHF), random-phase approximation (RPA) and extended theory of finite Fermi systems (ETFFS).

doi: 10.1103/PhysRevC.79.044305
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2009TA13      Nucl.Instrum.Methods Phys.Res. A605, 326 (2009)

A.Tamii, Y.Fujita, H.Matsubara, T.Adachi, J.Carter, M.Dozono, H.Fujita, K.Fujita, H.Hashimoto, K.Hatanaka, T.Itahashi, M.Itoh, T.Kawabata, K.Nakanishi, S.Ninomiya, A.B.Perez-Cerdan, L.Popescu, B.Rubio, T.Saito, H.Sakaguchi, Y.Sakemi, Y.Sasamoto, Y.Shimbara, Y.Shimizu, F.D.Smit, Y.Tameshige, M.Yosoi, J.Zenihiro

Measurement of high energy resolution inelastic proton scattering at and close to zero degrees

NUCLEAR REACTIONS 12C, 26Mg, 28Si, 48Ca, 58,64Ni, 208Pb(p, p'), E=295 MeV; measured Ep, Ip, σ(θ); deduced level energies. Systematic study of M1 and E1 excitations.

doi: 10.1016/j.nima.2009.03.248
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2008NE04      Phys.Rev. C 77, 037601 (2008); Erratum Phys.Rev. C 78, 069902 (2008)

R.Neveling, A.A.Cowley, Z.Buthelezi, S.V.Fortsch, H.Fujita, G.C.Hillhouse, J.J.Lawrie, G.F.Steyn, F.D.Smit, S.M.Wyngaardt, N.T.Botha, L.Mudau, S.S.Ntshangase

Analyzing power of the 40Ca(p(pol), pα) reaction at 100 MeV

NUCLEAR REACTIONS 40Ca(polarized p, pα), E=100 MeV; measured analyzing powers. comparisons with model calculations. 36Ar; deduced levels, J. DWIA calculations.

doi: 10.1103/PhysRevC.77.037601
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2007BU23      Phys.Rev.Lett. 99, 092503 (2007)

O.Burda, N.Botha, J.Carter, R.W.Fearick, S.V.Fortsch, C.Fransen, H.Fujita, J.D.Holt, M.Kuhar, A.Lenhardt, P.von Neumann-Cosel, R.Neveling, N.Pietralla, V.Yu.Ponomarev, A.Richter, O.Scholten, E.Sideras-Haddad, F.D.Smit, J.Wambach

High-Energy-Resolution Inelastic Electron and Proton Scattering and the multiphonon Nature of Mixed-Symmetry 2+ States in 94Mo

NUCLEAR REACTIONS 94Mo(e, e'), E=70 MeV; 94Mo(p, p'), E=200 MeV; measured σ and excitation strengths. Compared results to model calculations.

doi: 10.1103/PhysRevLett.99.092503
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2007BY02      Phys.Rev.Lett. 98, 082501 (2007)

A.Byelikov, T.Adachi, H.Fujita, K.Fujita, Y.Fujita, K.Hatanaka, A.Heger, Y.Kalmykov, K.Kawase, K.Langanke, G.Martinez-Pinedo, K.Nakanishi, P.von Neumann-Cosel, R.Neveling, A.Richter, N.Sakamoto, Y.Sakemi, A.Shevchenko, Y.Shimbara, Y.Shimizu, F.D.Smit, Y.Tameshige, A.Tamii, S.E.Woosley, M.Yosoi

Gamow-Teller Strength in the Exotic Odd-Odd Nuclei 138La and 180Ta and Its Relevance for Neutrino, Nucleosynthesis

NUCLEAR REACTIONS 138Ba, 180Hf(3He, t), E=140 MeV/nucleon; measured particle spectra. 138La, 180Ta deduced Gamow-Teller strength distributions. Implications for stellar nucleosynthesis discussed.

doi: 10.1103/PhysRevLett.98.082501
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2007CO14      Phys.Rev. C 75, 054617 (2007)

A.A.Cowley, J.Bezuidenhout, S.S.Dimitrova, P.E.Hodgson, S.V.Fortsch, G.C.Hillhouse, N.M.Jacobs, R.Neveling, F.D.Smit, J.A.Stander, G.F.Steyn, J.J.van Zyl

Multistep direct mechanism in the (p(pol), 3He) inclusive reaction on 59Co and 93Nb at incident energies between 100 and 160 MeV

NUCLEAR REACTIONS 59Co, 93Nb(polarized p, 3He), E=40-160 MeV; measured σ, angular distributions and analyzing powers. Compared results to model calculations.

doi: 10.1103/PhysRevC.75.054617
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2007FO10      Nucl.Phys. A797, 1 (2007)

S.V.Fortsch, F.Cerutti, P.Colleoni, E.Gadioli, E.Gadioli Erba, A.Mairani, G.F.Steyn, J.J.Lawrie, F.D.Smit, S.H.Connell, R.W.Fearick, T.Thovhogi

Contributions of complete fusion and break-up-fusion to intermediate mass fragment production in the low energy interaction of 12C and 27Al

NUCLEAR REACTIONS 27Al(12C, X)7Be/9Be/10B/11B/11C/12C/13C/13N/14N/15N/16O/19F/22Ne/23Na/24Mg/26Mg/26Al/27Al/Si, E=156 MeV; 12C(27Al, X)7Be/9Be/10B/11B/11C/12C/13C/13N/14N/15N/16O/19F/22Ne/23Na/24Mg/26Mg/Si, E=348 MeV; measured intermediate mass fragment spectra, σ(θ, E) from fusion and fragmentation. Comparison with Boltzmann Master Equations theory.

doi: 10.1016/j.nuclphysa.2007.09.007
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2007FU06      Phys.Rev. C 75, 057305 (2007)

Y.Fujita, R.Neveling, H.Fujita, T.Adachi, N.T.Botha, K.Hatanaka, T.Kaneda, H.Matsubara, K.Nakanishi, Y.Sakemi, Y.Shimizu, F.D.Smit, A.Tamii, M.Yosoi

Gamow-Teller strengths in A =34 isobars: Comparison of the mirror transitions Tz = +1 → 0 and Tz = -1 → 0

NUCLEAR REACTIONS 34S(3He, t), E=140 MeV/nucleon; measured triton spectra; Deduced B(GT), compared results to β-decay and shell model calculation.

doi: 10.1103/PhysRevC.75.057305
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2007FU12      Nucl.Phys. A788, 94c (2007)

H.Fujita, N.T.Botha, O.Burda, J.Carter, R.W.Fearick, S.V.Fortsch, C.Fransen, M.Kuhar, A.Lenhardt, P.von Neumann-Cosel, R.Neveling, N.Pietralla, V.Yu.Ponomarev, A.Richter, O.Scholten, E.Sideras-Haddad, F.D.Smit, J.Wambach

One- and two-phonon mixed-symmetry states in 94Mo in high-resolution electron and proton scattering

NUCLEAR REACTIONS 94Mo(e, e'), E=70 MeV; 94Mo(p, p')E=200 MeV; measured excitation energy spectra; deduced mixed-symmetry state features. Comparison with shell model, quasiparticle phonon model and interacting boson model.

doi: 10.1016/j.nuclphysa.2007.01.053
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2007GR22      Phys.Rev. C 76, 054307 (2007)

E.-W.Grewe, D.Frekers, S.Rakers, T.Adachi, C.Baumer, N.T.Botha, H.Dohmann, H.Fujita, Y.Fujita, K.Hatanaka, K.Nakanishi, A.Negret, R.Neveling, L.Popescu, Y.Sakemi, Y.Shimbara, Y.Shimizu, F.D.Smit, Y.Tameshige, A.Tamii, J.Thies, P.von Brentano, M.Yosoi, R.G.T.Zegers

(3He, t) reaction on the double β decay nucleus 48Ca and the importance of nuclear matrix elements

NUCLEAR REACTIONS 48Ca(3He, t), E=420 MeV; measured charged particles, angular distributions; calculated Gamow-Teller strengths. 48Sc; deduced levels, J, π. Compared with 48Ca(p, n), E=134 MeV and 48Ca(d, 2He), E=183 MeV reactions. 48Ca; implications for 2β decay.

doi: 10.1103/PhysRevC.76.054307
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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
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2007TA27      Nucl.Phys. A788, 53c (2007)

A.Tamii, T.Adachi, J.Carter, M.Dozono, H.Fujita, Y.Fujita, K.Hatanaka, H.Hashimoto, T.Kaneda, M.Itoh, T.Kawabata, H.Matsubara, K.Nakanishi, P.von Neumann-Cosel, H.Okamura, A.Perez, I.Poltoratska, V.Ponomarev, L.Popescu, A.Richter, B.Rubio, H.Sakaguchi, Y.Sakemi, Y.Sasamoto, Y.Shimbara, Y.Shimizu, F.D.Smit, Y.Tameshige, M.Yosoi, J.Zenihiro, K.Zimmer

Study of M1 excitations by high-resolution proton inelastic scattering experiment at forward angles

NUCLEAR REACTIONS 26Mg, 48Ca(p, p'), E=295 MeV; measured excitation energy spectrum. 12C(p, p'), E=295 MeV; calculated σ(θ). DWIA method.

doi: 10.1016/j.nuclphysa.2007.01.048
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2006KA02      Phys.Rev.Lett. 96, 012502 (2006)

Y.Kalmykov, T.Adachi, G.P.A.Berg, H.Fujita, K.Fujita, Y.Fujita, K.Hatanaka, J.Kamiya, K.Nakanishi, P.von Neumann-Cosel, V.Yu.Ponomarev, A.Richter, N.Sakamoto, Y.Sakemi, A.Shevchenko, Y.Shimbara, Y.Shimizu, F.D.Smit, T.Wakasa, J.Wambach, M.Yosoi

Fine Structure of the Gamow-Teller Resonance in 90Nb and Level Density of 1+ States

NUCLEAR REACTIONS 90Zr(3He, t), E=140 MeV/nucleon; measured triton spectra. 90Nb deduced level densities, fine structure of Gamow-Teller resonance. Wavelet analysis technique.

doi: 10.1103/PhysRevLett.96.012502
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2006MA26      Phys.Rev. C 73, 044606 (2006)

H.Machner, D.G.Aschman, K.Baruth-Ram, J.Carter, A.A.Cowley, F.Goldenbaum, B.M.Nangu, J.V.Pilcher, E.Sideras-Haddad, J.P.F.Sellschop, F.D.Smit, B.Spoelstra, D.Steyn

Isotopic production cross sections in proton-nucleus collisions at 200 MeV

NUCLEAR REACTIONS 27Al, 59Co, 197Au(p, X), E=200 MeV; measured intermediate mass fragments isotopic production σ, σ(E, θ).

doi: 10.1103/PhysRevC.73.044606
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2005AU05      Phys.Rev. C 71, 064606 (2005)

A.Auce, A.Ingemarsson, R.Johansson, M.Lantz, G.Tibell, R.F.Carlson, M.J.Shachno, A.A.Cowley, G.C.Hillhouse, N.M.Jacobs, J.A.Stander, J.J.van Zyl, S.V.Fortsch, J.J.Lawrie, F.D.Smit, G.F.Steyn

Reaction cross sections for protons on 12C, 40Ca, 90Zr, and 208Pb at energies between 80 and 180 MeV

NUCLEAR REACTIONS 12C, 40Ca, 90Zr, 208Pb(p, X), E=80-180 MeV; 58Ni(p, X), E=81 MeV; measured reaction σ. Comparison with model predictions.

doi: 10.1103/PhysRevC.71.064606
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2005MA51      Eur.Phys.J. A 25, 49 (2005)

G.K.Mabala, E.Gueorguieva, J.F.Sharpey-Schafer, M.Benatar, R.W.Fearick, K.I.Korir, J.J.Lawrie, S.M.Mullins, S.H.T.Murray, N.J.Ncapayi, R.T.Newman, D.G.Roux, F.D.Smit, R.Wyss

Shears band with a large dynamic moment of inertia in 197Bi

NUCLEAR REACTIONS 181Ta(22Ne, 6n), E=125 MeV; measured Eγ, Iγ, γγ-coin. 197Bi deduced high-spin levels, J, π, configurations, shears band. Afrodite array, total Routhian surface calculations.

doi: 10.1140/epja/i2005-10075-5
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2005NC01      Eur.Phys.J. A 26, 265 (2005)

N.J.Ncapayi, S.M.Mullins, M.Benatar, E.Gueorgueiva, J.J.Lawrie, G.K.Mabala, S.Mukherjee, S.H.T.Murray, K.P.Mutshena, R.T.Newman, J.F.Sharpey-Schafer, F.D.Smit, P.Vymers

Characterization of quasiparticle states at and beyond stability in ytterbium isotopes: Spectroscopy of 175Yb, 176Yb and 177Yb

NUCLEAR REACTIONS 176Yb(136Xe, X)175Yb/176Yb/177Yb, E=750 MeV; measured Eγ, Iγ, γγ-coin. 175,176,177Yb deduced high-spin levels, J, π, configurations, gK-gR. Afrodite array.

doi: 10.1140/epja/i2005-10172-5
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2004GU06      Eur.Phys.J. A 20, 47 (2004)

E.Gueorguieva, J.J.Lawrie, P.Mutshena, M.Benatar, W.Damon, P.Kwinana, G.K.Mabala, S.Mukherjee, S.M.Mullins, N.J.Ncapayi, R.T.Newman, D.G.Roux, F.D.Smit, J.F.Sharpey-Schafer, Z.Vilakazi, P.Vymers

New nanosecond isomers identified with the AFRODITE array

NUCLEAR REACTIONS 198Pt(α, 6n), E=65 MeV; 142Nd(27Al, 5n), E=150 MeV; measured prompt and delayed Eγ, Iγ, γγ-coin. 196Hg, 164Ta deduced isomeric states features. Afrodite array, recoil shadow anisotropy method.

doi: 10.1140/epja/i2002-10320-5
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2004SH34      Phys.Rev.Lett. 93, 122501 (2004)

A.Shevchenko, J.Carter, R.W.Fearick, S.V.Fortsch, H.Fujita, Y.Fujita, Y.Kalmykov, D.Lacroix, J.J.Lawrie, P.von Neumann-Cosel, R.Neveling, V.Yu.Ponomarev, A.Richter, E.Sideras-Haddad, F.D.Smit, J.Wambach

Fine Structure in the Energy Region of the Isoscalar Giant Quadrupole Resonance: Characteristic Scales from a Wavelet Analysis

NUCLEAR REACTIONS 58Ni, 90Zr, 120Sn, 208Pb(p, p'), E=200 MeV; measured Ep, σ(E, θ); deduced isoscalar giant quadrupole resonance strength distributions. Wavelet analysis.

doi: 10.1103/PhysRevLett.93.122501
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2002RO01      Phys.Rev. C65, 014308 (2002)

D.G.Roux, E.Gueorguieva, B.R.S.Babu, D.G.Aschman, M.Benatar, R.Fearick, M.S.Fetea, J.J.Lawrie, G.K.Mabala, S.M.Mullins, S.H.T.Murray, S.Naguleswaran, R.T.Newman, C.Rigollet, J.F.Sharpey-Schafer, F.D.Smit, W.J.Whittaker, R.A.Wyss

Signature Inversion in the Yrast Band of 164Ta

NUCLEAR REACTIONS 142Nd(27Al, 5n), E=150 MeV; 141Pr(28Si, 4n), E=142 MeV; measured Eγ, Iγ, γγ-coin. 164Ta deduced high-spin levels, J, π, B(M1)/B(E2), configurations. Cranked mean-field calculations.

doi: 10.1103/PhysRevC.65.014308
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2001CA23      Phys.Rev. C63, 057602 (2001)

J.Carter, A.A.Cowley, H.Diesener, R.W.Fearick, S.V.Fortsch, J.J.Lawrie, P.von Neumann-Cosel, J.V.Pilcher, A.Richter, K.Schweda, F.D.Smit, G.F.Steyn, S.Strauch

Role of Knockout Contributions in Giant Resonance Studies with (p, p'x) Reactions

NUCLEAR REACTIONS 48Ca(p, p'n), E=100 MeV; 40Ca(p, 2p), (p, p'α), E=100 MeV; measured proton spectra, σ(θ), angular correlations. Comparison with DWIA calculations.

doi: 10.1103/PhysRevC.63.057602
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2001RO01      Phys.Rev. C63, 024303 (2001); Erratum Phys.Rev. C63, 069901 (2001)

D.G.Roux, M.S.Fetea, E.Gueorguieva, B.R.S.Babu, R.T.Newman, J.J.Lawrie, R.Fearick, D.G.Aschman, R.Beetge, M.Benatar, G.K.Mabala, S.M.Mullins, S.H.T.Murray, S.Naguleswaran, C.Rigollet, J.F.Sharpey-Schafer, F.D.Smit, W.J.Whittaker

Signature Splitting and Quasiparticle Alignment in the Yrast Band of 165Ta

NUCLEAR REACTIONS 142Nd(27Al, 4n), E=150 MeV; 141Pr(28Si, 4n), E=142 MeV; measured Eγ, Iγ, γγ-coin. 165Ta deduced high-spin levels, J, π, B(M1)/B(E2), configurations. Comparison with cranked mean-field calculations. Afrodite array.

doi: 10.1103/PhysRevC.63.024303
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2001SC25      Phys.Lett. 506B, 247 (2001)

K.Schweda, J.Carter, A.A.Cowley, H.Diesener, R.W.Fearick, S.V.Fortsch, J.J.Lawrie, P.von Neumann-Cosel, J.V.Pilcher, A.Richter, F.D.Smit, G.F.Steyn, S.Strauch

Low-Energy Isocalar Quadrupole Strength in 40Ca and 48Ca from (p, p'x) Reactions

NUCLEAR REACTIONS 40Ca(p, pα), (p, 2p), 48Ca(p, np), E=100 MeV; measured σ(θ). 40,48Ca deduced B(E2) distributions vs excitation energy. Comparison with (e, e') results. DWBA analysis.

doi: 10.1016/S0370-2693(01)00230-1
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1999CH50      Nucl.Phys. (Supplement) A654, 1051c (1999)

M.B.Chadwick, D.T.L.Jones, G.J.Arendse, A.A.Cowley, W.A.Richter, J.J.Lawrie, R.T.Newman, J.V.Pilcher, F.D.Smit, G.F.Steyn, J.W.Koen, J.A.Stander

Nuclear Interaction Cross Sections for Proton Radiotherapy

NUCLEAR REACTIONS 12C(p, pX), (p, dX), E=150 MeV; 16O(p, αX), (p, tX), E=200 MeV; measured σ(E, θ). 12C, 16O(p, pX), E=200 MeV; calculated proton spectra, σ(θ). 16O(p, X)7Li/7Be/9Be/10Be/10B/11B/10C/11C/14C/13N/14O/15O, E ≈ 5-250 MeV; calculated production σ.

doi: 10.1016/S0375-9474(00)88598-X
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1999ST06      Phys.Rev. C59, 2097 (1999)

G.F.Steyn, S.V.Fortsch, A.A.Cowley, J.J.Lawrie, G.J.Arendse, G.C.Hillhouse, J.V.Pilcher, F.D.Smit, R.Neveling

α-Clustering Probabilities Extracted from the 12C(α, 2α)8Be Reaction at 200 MeV

NUCLEAR REACTIONS 12C(α, 2α), E=200 MeV; measured Eα, αα-coin, σ(E, θ); deduced α-cluster spectroscopic factors. DWIA analysis.

doi: 10.1103/PhysRevC.59.2097
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1998CA11      Nucl.Phys. A630, 631 (1998)

J.Carter, A.A.Cowley, H.Diesener, R.W.Fearick, S.V.Fortsch, M.N.Harakeh, J.J.Lawrie, S.J.Mills, P.von Neumann-Cosel, R.T.Newman, J.V.Pilcher, A.Richter, K.Schweda, F.D.Smit, G.F.Steyn, S.Strauch, D.M.Whittal

Isoscalar Quadrupole Strength in 40Ca from the (p, p'α0) Reaction at E(p) = 100 MeV

NUCLEAR REACTIONS 40Ca(p, p'α), E=99.5 MeV; measured σ(θ(p), θ(α), E(x)); deduced α0 channel multipole distribution, isoscalar E2 strength distribution.

doi: 10.1016/S0375-9474(98)00656-3
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0271.


1998ST07      Phys.Rev. C57, 1817 (1998)

G.F.Steyn, S.V.Fortsch, A.A.Cowley, S.Karataglidis, R.Lindsay, J.J.Lawrie, F.D.Smit, R.T.Newman

Single-Nucleon Transfer to Unbound States in the 4He(α, t)5Li Reaction at Incident Energies of 120, 160, and 200 MeV

NUCLEAR REACTIONS 4He(α, t), E=120, 160, 200 MeV; measured σ(Et, θ); deduced cluster-core potential parameters. Comparison with 4He(α, 3He) results.

doi: 10.1103/PhysRevC.57.1817
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1997SM09      J.Phys.(London) G23, 1293 (1997)

F.D.Smit, P.A.Butler, D.M.Cullen, B.Gall, G.Duchene, F.Hoellinger, P.M.Jones, T.Kutsarova, A.Minkova, S.Naguleswaran, R.T.Newman, J.V.Pilcher, M.G.Porquet, N.Rowley, N.Schulz, J.F.Sharpey-Schafer, T.Stevens, A.Wilson

A Study of Fusion-Fission at Z = 107

NUCLEAR REACTIONS 232Th(37Cl, X), E=172-208 MeV; measured Eγ, Iγ, γγ-coin following fusion-fission reaction; deduced pre-equilibrium proton, neutron emission. 130,132Xe, 126Te deduced levels, J, π.

doi: 10.1088/0954-3899/23/10/017
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1996NE05      Phys.Rev. C54, 1773 (1996); Erratum Phys.Rev. C55, 1605 (1997)

R.T.Newman, R.W.Fearick, S.M.Perez, D.G.Aschman, K.Bharuth-Ram, W.A.Richter, F.D.Smit, V.M.Tshivhase, T.S.Volkwyn

0f7/2 Proton Transfer on 55Mn

NUCLEAR REACTIONS 55Mn(d, 3He), (d, d), E=46 MeV; measured σ(θ); deduced opptical model parameters. 54Cr deduced levels, J, spectroscopic factors. 55Mn(α, t), E not given; analyzed data. 56Fe levels deduced spins, spectroscopic factors. Spectroscopic sum rules analysis.

doi: 10.1103/PhysRevC.54.1773
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1996ST25      Phys.Rev. C54, 2485 (1996)

G.F.Steyn, S.V.Fortsch, J.J.Lawrie, F.D.Smit, R.T.Newman, A.A.Cowley, R.Lindsay

Single-Nucleon Transfer to Unbound States by Means of the 4He(α, 3He)5He Reaction at 158 and 200 MeV

NUCLEAR REACTIONS 4He(α, 3He), E(cm)=158, 200 MeV; measured yield vs E(3He), 3He spectra, σ(θ). 4He(α, α), E(cm)=158, 200 MeV; measured σ(θ); deduced model parameters, strength factor. DWBA analysis.

doi: 10.1103/PhysRevC.54.2485
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1994AL28      Phys.Rev.Lett. 73, 1336 (1994)

T.Alteholz, D.Androic, G.Backenstoss, D.Bosnar, H.Breuer, A.Brkovic, H.Dobbeling, T.Dooling, W.Fong, M.Furic, P.A.M.Gram, N.K.Gregory, J.P.Haas, A.Hoffart, C.H.Q.Ingram, A.Klein, K.Koch, J.Kohler, B.Kotlinski, M.Kroedel, G.Kyle, A.Lehmann, Z.N.Lin, G.Mahl, A.O.Mateos, K.Michaelian, S.Mukhopadhyay, T.Petkovic, R.P.Redwine, D.Rowntree, R.Schumacher, U.Sennhauser, N.Simicevic, F.D.Smit, G.van der Steenhoven, D.R.Tieger, R.Trezeciak, H.Ullrich, M.Wang, M.H.Wang, H.J.Weyer, M.Wildi, K.E.Wilson, and the LADS Collaboration

Large-Solid-Angle Study of Pion Absorption on 3He

NUCLEAR REACTIONS 3He(π+, X), E=118-239 MeV; measured proton energy spectra following absorption; deduced total absorption σ(E), two-, three-nucleon absorption relative contributions. Large acceptance detector system.

doi: 10.1103/PhysRevLett.73.1336
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1994CO16      Phys.Rev. C50, 2449 (1994)

A.A.Cowley, G.F.Steyn, S.V.Fortsch, J.J.Lawrie, J.V.Pilcher, F.D.Smit, D.M.Whittal

Quasifree Knockout in 9Be(α, 2α)5He at an Incident Energy of 197 MeV

NUCLEAR REACTIONS 9Be(α, 2α), E=197 MeV; measured σ(θ1, θ2). 4He(α, α), E=197 MeV; measured σ(θ); deduced dependence of α-clustering probability, model parameters. 9Be deduced spectroscopic factors. DWIA analysis.

doi: 10.1103/PhysRevC.50.2449
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1994VO05      Nucl.Phys. A569, 373c (1994)

P.von Neumann-Cosel, H.Diesener, U.Helm, G.Herbert, V.Huck, A.Richter, G.Schrieder, A.Stascheck, A.Stiller, J.Ryckebusch, J.Carter, A.A.Cowley, R.W.Fearick, J.J.Lawrie, S.J.Mills, R.T.Newman, J.V.Pilcher, F.D.Smit, Z.Z.Vilakazi, D.M.Whittal

Excitation and Decay of Electric Giant Resonances in the 40Ca(e, e'X) and 40Ca(p, p'X) Reactions

NUCLEAR REACTIONS 40Ca(e, e'p), E=57, 78, 183.5 MeV; measured σ(θ(e), Ep). 40Ca(p, p'α), E=99.1 MeV; 40Ca(e, e'α), E=183.5 MeV; measured proton, α-channel decay. 40Ca deduced electric giant resonance decay features.

doi: 10.1016/0375-9474(94)90128-7
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1993AL14      Phys.Lett. 314B, 173 (1993)

M.S.Allie, F.D.Brooks, D.G.Aschman, A.Buffler, W.A.Cilliers, R.W.Fearick, C.G.L.Henderson, M.J.Oliver, M.R.Nchodu, S.M.Perez, D.Steyn, W.R.McMurray, B.R.S.Simpson, F.D.Smit, H.G.Miller, K.Bharuth-Ram, I.J.van Heerden

Differential Cross Section for n-p Radiative Capture at E(n) = 63.4 MeV

NUCLEAR REACTIONS 1H(n, γ), E=63.4 MeV; measured Iγ(θ); deduced σ(θ) for 2H(γ, p), E ≈ 34 MeV. Legendre polymonial fits.

doi: 10.1016/0370-2693(93)90445-N
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1993FO05      Phys.Rev. C48, 743 (1993)

S.V.Fortsch, A.A.Cowley, J.J.Lawrie, J.V.Pilcher, F.D.Smit, D.M.Whittal

Coincident Proton Emission Induced by 200 MeV Protons on 197Au

NUCLEAR REACTIONS 197Au(p, xp), E=200 MeV; measured energy sharing σ(E), pp-coin, σ(θ); deduced quasifree scattering evidence.

doi: 10.1103/PhysRevC.48.743
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1992CO04      Phys.Rev. C45, 1745 (1992)

A.A.Cowley, P.G.Roos, J.J.Lawrie, F.D.Smit, J.V.Pilcher, S.V.Fortsch, G.F.Steyn, G.C.Hillhouse

Quasifree Subthreshold Pion Production in the Reaction 12C(p, dπ+)11B

NUCLEAR REACTIONS 12C(p, dπ+), E=223 MeV; measured σ(θπ, θd, Ed); deduced reaction mechanism. DWIA.

doi: 10.1103/PhysRevC.45.1745
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1991CO03      Phys.Rev. C43, 678 (1991)

A.A.Cowley, A.van Kent, J.J.Lawrie, S.V.Fortsch, D.M.Whittal, J.V.Pilcher, F.D.Smit, W.A.Richter, R.Lindsay, I.J.van Heerden, R.Bonetti, P.E.Hodgson

Preequilibrium Proton Emission Induced by 80 and 120 MeV Protons Incident on 90Zr

NUCLEAR REACTIONS 90Zr(p, p'), E=80, 120 MeV; measured σ(Ep', θp'); deduced reaction mechanism, effective interaction strength. Phenomenological parametrization.

doi: 10.1103/PhysRevC.43.678
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1991CO13      Phys.Rev. C44, 329 (1991)

A.A.Cowley, J.J.Lawrie, G.C.Hillhouse, D.M.Whittal, S.V.Fortsch, J.V.Pilcher, F.D.Smit, P.G.Roos

Quasifree Knockout in 16O(p, 2p)15N at an Incident Energy of 151 MeV

NUCLEAR REACTIONS 16O(p, 2p), E=151 MeV; measured σ(E1, E2, θ1, θ2). 15N levels deduced spectroscopic factors. DWIA analysis.

doi: 10.1103/PhysRevC.44.329
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1991FO01      Phys.Rev. C43, 691 (1991)

S.V.Fortsch, A.A.Cowley, J.J.Lawrie, D.M.Whittal, J.V.Pilcher, F.D.Smit

Continuum Protons from 58Ni(p, p') at Incident Energies between 100 and 200 MeV

NUCLEAR REACTIONS 58Ni(p, p'), E=100-200 MeV; measured σ(Ep', θp'); deduced reaction mechanism, quasifree knockout contribution.

doi: 10.1103/PhysRevC.43.691
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0173.


1990CO14      Z.Phys. A336, 189 (1990)

A.A.Cowley, S.V.Fortsch, J.J.Lawrie, D.M.Whittal, F.D.Smit, J.V.Pilcher

Continuum Protons from the Inclusive Reaction 197Au(p, p') at Incident Energies between 100 and 200 MeV

NUCLEAR REACTIONS 197Au(p, p'X), E=100-200 MeV; measured σ(θp, Ep). Kalbach systematics analysis.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0511.


1990CO31      Europhys.Lett. 13, 37 (1990)

A.A.Cowley, S.V.Fortsch, J.J.Lawrie, J.V.Pilcher, F.D.Smit, D.M.Whittal

Importance of Nucleon-Nucleon Scattering in the Interaction of Protons with 197Au at 200 MeV

NUCLEAR REACTIONS 197Au(p, 2p), E=200 MeV; measured σ(θ1, θ2, E1); deduced reaction mechanism. DWIA analysis.

doi: 10.1209/0295-5075/13/1/007
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0511.


1990WH01      Phys.Rev. C42, 309 (1990)

D.M.Whittal, A.A.Cowley, J.V.Pilcher, S.V.Fortsch, F.D.Smit, J.J.Lawrie

Quasifree Knockout of Charged Particles from 4He with 100 MeV Protons

NUCLEAR REACTIONS 4He(p, 2p), (p, pd), (p, pt), (p, p3He), E=100 MeV; measured quasifree σ(E1, θ1, θ2). Spectroscopic factors. DWIA analysis.

doi: 10.1103/PhysRevC.42.309
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1987SM03      Nucl.Phys. A465, 429 (1987)

F.D.Smit, F.D.Brooks

Angular Distribution of Neutrons from 2H(γ, n)1H at Eγ = 2.75 MeV

NUCLEAR REACTIONS 2H(γ, n), E=2.75 MeV; measured photodisintegration σ(θ); deduced dipole σ(ratio), meson exchange, isobar configuration roles. Enriched target.

doi: 10.1016/0375-9474(87)90357-5
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0460.


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