NSR Query Results
Output year order : Descending NSR database version of April 24, 2024. Search: Author = G.F.Steyn Found 88 matches. 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
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
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
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
2021ST01 Appl.Radiat.Isot. 168, 109469 (2021) G.F.Steyn, T.N.van der Walt, F.Szelecsenyi, C.Perrang, J.W.Brummer, C.Vermeulen, N.P.van der Meulen, M.A.Motetshwane, M.R.van Heerden Large-scale production of 88Y and 88Zr/88Y generators: A proof of concept study for a 70 MeV H- cyclotron NUCLEAR REACTIONS Sr, 89Y, Zr, 93Nb(p, X)88Y, 89Y, Zr, 93Nb(p, X)88Zr, E<70 MeV; analyzed available data; deduced integral (physical) yields.
doi: 10.1016/j.apradiso.2020.109469
2021ST02 Appl.Radiat.Isot. 168, 109514 (2021) G.F.Steyn, M.A.Motetshwane, F.Szelecsenyi, J.W.Brummer Pairing of thorium with selected primary target materials in tandem configurations: Co-production of 225Ac/213Bi and 230U/226Th generators with a 70 MeV H- cyclotron NUCLEAR REACTIONS 232Th(p, X)225Ac/225Ra/230Pa, Mg(p, X)22Na/24Na, E<70 MeV; measured reaction products, Eγ, Iγ; deduced σ, integral (physical) yield. Comparison with available data.
doi: 10.1016/j.apradiso.2020.109514
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
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
2018AC05 Phys.Rev. C 97, 034607 (2018) Ja.Acharya, S.Mukherjee, A.Chatterjee, N.L.Singh, K.Ramachandran, P.C.Rout, K.Mahata, V.Desai, E.T.Mirgule, S.V.Suryanarayana, B.K.Nayak, A.Saxena, G.F.Steyn Neutron emission in 19F-induced reactions NUCLEAR REACTIONS 51V, 89Y, 181Ta(19F, X), E=130, 140, 145, 150 MeV; measured neutron energy spectra by time-of-flight method, neutron emission differential σ(θ, E) at BARC-TIFR Pelletron-LINAC facility. Comparison with theoretical cross sections from the nuclear reaction code ALICE2014 with two density models. Comparison of experimental n(θ) with theoretical calculations using statistical model code Projection Angular-Momentum Coupled Evaporation (PACE4) and ALICE2014.
doi: 10.1103/PhysRevC.97.034607
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
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
2016AC01 Phys.Rev. C 93, 024608 (2016) J.Acharya, S.Mukherjee, G.F.Steyn, N.L.Singh, A.Chatterjee Excitation functions of heavy residues produced in the 14N + 103Rh reaction up to 400 MeV: Analysis of the pre-equilibrium mechanism with the hybrid Monte Carlo simulation model NUCLEAR REACTIONS 103Rh(14N, X)94Tc/95Tc/96Tc/95Ru/97Ru/97Rh/99Rh/101Rh/99Pd/100Pd/101Pd/103Ag/104Ag/105Ag/104Cd, E=89.4-400.0 MeV; measured Eγ, Iγ, σ(E) by activation method at iThemba LABS. Comparison with theoretical calculations using the hybrid Monte Carlo simulation model and ALICE2014 code with different level density models. Best agreement with Obninsk level densities.
doi: 10.1103/PhysRevC.93.024608
2016VA06 Appl.Radiat.Isot. 115, 125 (2016) N.P.van der Meulen, G.F.Steyn, C.Vermeulen, T.J.van Rooyen Production of 28Mg by bombardment of natCl with 200 MeV protons: Proof-of-concept study for a stacked LiCl target NUCLEAR REACTIONS Cl(p, X)28Mg, E=200 MeV; measured reaction products, Eγ, Iγ; deduced yields, σ. Comparison with MCNP calculations, TENDL-2015 library.
doi: 10.1016/j.apradiso.2016.04.026
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
2015SZ04 Nucl.Instrum.Methods Phys.Res. B343, 173 (2015); Erratum Nucl.Instrum.Methods Phys.Res. B447, 113 (2019) F.Szelecsenyi, G.F.Steyn, Z.Kovacs, C.Vermeulen, K.Nagatsu, M.-R.Zhang, K.Suzuki Excitation functions of natZr + p nuclear processes up to 70 MeV: New measurements and compilation NUCLEAR REACTIONS Zr(p, X)89Nb/90Nb/91Nb/92Nb/95Nb/96Nb/86Zr/87Zr/88Zr/89Zr/95Zr/85Y/86Y/87Y/88Y/90Y/91Y/85Sr, E<70 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with TALYS nuclear model code calculations.
doi: 10.1016/j.nimb.2014.11.081
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
2014ST01 Nucl.Instrum.Methods Phys.Res. B319, 128 (2014) G.F.Steyn, C.Vermeulen, F.Szelecsenyi, Z.Kovacs, A.Hohn, N.P.van der Meulen, R.Schibli, T.N.van der Walt Cross sections of proton-induced reactions on 152Gd, 155Gd and 159Tb with emphasis on the production of selected Tb radionuclides NUCLEAR REACTIONS Cu(p, xn)62Zn, Tb(p, X)153Dy/155Dy/157Dy/159Dy, 152,155Gd(p, 4n), 159Tb(p, 5n), (p, 3n), Tb(p, X)153Tb/154Tb/155Tb/156Tb/151Gd/153Gd, E<70 MeV; measured reaction products, Eγ, Iγ; deduced σ, integral yields. Comparison with ALICE/ASH and TENDL 2012 calculations.
doi: 10.1016/j.nimb.2013.11.013
2013VA01 Appl.Radiat.Isot. 72, 96 (2013); Erratum Appl.Radiat.Isot. 83, 36 (2014) N.P.van der Meulen, T.N.van der Walt, G.F.Steyn, H.G.Raubenheimer The production of 82Sr using larger format RbCl targets NUCLEAR REACTIONS Rb(p, X)82Sr, E=66 MeV; measured reaction products, Eγ, Iγ; deduced yields. Radiochemical separation.
doi: 10.1016/j.apradiso.2012.09.017
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
2012VE02 Nucl.Instrum.Methods Phys.Res. B275, 24 (2012) C.Vermeulen, G.F.Steyn, F.Szelecsenyi, Z.Kovacs, K.Suzuki, K.Nagatsu, T.Fukumura, A.Hohn, T.N.van der Walt Cross sections of proton-induced reactions on natGd with special emphasis on the production possibilities of 152Tb and 155Tb NUCLEAR REACTIONS Gd(p, X)151Tb/152Tb/153Tb/154Tb/155Tb/156Tb/160Tb, E<66 MeV; measured reaction products, Eγ, Iγ; deduced σ, yields. Comparison with ALICE/ASH nuclear model calculations.
doi: 10.1016/j.nimb.2011.12.064
2011SP02 J.Korean Phys.Soc. 59, 1983s (2011) I.Sphan, M.M.Shehata, S.Spellerberg, B.Scholten, H.H.Coenen, S.Q.Qaim, G.F.Steyn, C.Vermeulen, Z.Kovacs, F.Szelecsenyi Investigation of Production Possibilities of Radiobromines for Diagnostic and Therapeutic Applications NUCLEAR REACTIONS 77Se(p, n), (p, 2n), 78Se(p, 2n), (p, 3n)E=21-66 MeV;80Se(p, n)80mBr, E=2.5-18 MeV;80Se(p, 4n), (p, 5n), E=21-85 MeV; measured induced Eγ, Iγ using stacked-foil; deduced σ, 75,76,77,80mBr integral yields. Considered radioisotopic purity of produced medical isotopes.
doi: 10.3938/jkps.59.1983
2011ST26 J.Korean Phys.Soc. 59, 1991s (2011) G.F.Steyn, C.Vermeulen, F.Szelecsenyi, Z.Kovacs, K.Suzuki, T.Fukumura, K.Nagatsu Excitation Functions of Proton Induced Reactions on 89Y and 93Nb with Emphasis on the Production of Selected Radio-Zirconiums NUCLEAR REACTIONS 89Y(p, n), (p, 2n), E=0-70 MeV;93Nb(p, αn), (p, 3n2p), (p, α2n), (p, 4n2p), E=0-70 MeV;93Nb(p, 2np), (p, 3np), E=0-70 MeV; measured off-line Eγ, Iγ using stacked foil; deduced σ. Compared with other data. 89Y(p, n), (p, 2n), 93Nb(p, α2n), (p, 2np), E=10-70 MeV; measured thick target yields.
doi: 10.3938/jkps.59.1991
2010SP05 Radiochim.Acta 98, 749 (2010) I.Spahn, G.F.Steyn, C.Vermeulen, Z.Kovacs, F.Szelecsenyi, M.M.Shehata, S.Spellerberg, B.Scholten, H.H.Coenen, S.M.Qaim New cross section measurements for the production of the Auger electron emitters 77Br and 80mBr NUCLEAR REACTIONS 77,78,80Se(p, n), (p, 2n), (p, 4n)77Br, 80Se(p, n), E=21-85 MeV; measured Eγ, Iγ; deduced σ and their uncertainties, integral yields.
doi: 10.1524/ract.2010.1781
2010SZ03 Nucl.Instrum.Methods Phys.Res. B268, 3306 (2010) F.Szelecsenyi, C.Vermeulen, G.F.Steyn, Z.Kovacs, K.Aardaneh, T.N.van der Walt Excitation functions of 186, 187, 188, 189, 190, 192Ir formed in proton-induced reactions on highly enriched 192Os up to 66 MeV NUCLEAR REACTIONS 192Os(p, n), (p, 3n), (p, 4n), (p, 5n), (p, 6n), Cu(p, n)65Zn, Al(p, X)24Na, Cu(p, X)62Zn E < 66 MeV; measured reaction products, Eγ, Iγ; deduced σ, integral yields. Comparison with model code ALICE/ASH.
doi: 10.1016/j.nimb.2010.07.010
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
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
2009SP01 Radiochim.Acta 465, 535 (2009) I.Spahn, G.F.Steyn, C.Vermeulen, Z.Kovacs, F.Szelecsenyi, H.H.Coenen, S.M.Qaim New cross section measurements for production of the positron emitters 75Br and 76Br via intermediate energy proton induced reactions NUCLEAR REACTIONS 77,78,80Se(p, xn)75Br/76Br, E<85 MeV; measured Eγ, Iγ; deduced σ, yields. Comparison with ALICE-IPPE code.
doi: 10.1524/ract.2009.1636
2009SZ01 Nucl.Instrum.Methods Phys.Res. B267, 1877 (2009) F.Szelecsenyi, G.F.Steyn, S.G.Dolley, Z.Kovacs, C.Vermeulen, T.N.van der Walt Investigation of the 68Zn(p, 2p)67Cu nuclear reaction: New measurements up to 40 MeV and compilation up to 100 MeV NUCLEAR REACTIONS 68Zn(p, 2p), E=19.2-39.7 MeV; Measured σ; compiled and evaluated earlier measurements.
doi: 10.1016/j.nimb.2009.03.097
2009SZ03 J.Radioanal.Nucl.Chem. 282, 261 (2009) F.Szelecsenyi, G.F.Steyn, Z.Kovacs, K.Aardaneh, C.Vermeulen, T.N.van der Walt Production possibility of 186Re via the 192Os(p, α3n)186Re NUCLEAR REACTIONS 192Os(p, α3n), 186W(p, n), (d, 2n), Cu(p, X)65Zn, Al(p, X)24Na, E<66.7 MeV; measured reaction products, Eγ, Iγ; deduced σ, uncertainties.
doi: 10.1007/s10967-009-0147-y
2009VA05 Appl.Radiat.Isot. 67, 1320 (2009) N.P.van der Meulen, T.N.van der Walt, G.F.Steyn, F.Szelecsenyi, Z.Kovacs, C.M.Perrang, H.G.Raubenheimer The production of 88Y in the proton bombardment of natSr: New excitation and separation studies NUCLEAR REACTIONS 88Sr(p, n), Cu(p, x), E=5-20 MeV; 65Zn; Measured σ. SrCl2 target. Ion exchange chromatographic methods.
doi: 10.1016/j.apradiso.2009.02.058
2008AA03 J.Radioanal.Nucl.Chem. 276, 831 (2008) K.Aardaneh, C.Naidoo, G.F.Steyn Radiochemical separation of 109Cd from a silver target
doi: 10.1007/s10967-008-0640-8
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
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
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
2007QA01 Appl.Radiat.Isot. 65, 247 (2007) S.M.Qaim, G.F.Steyn, I.Spahn, S.Spellerberg, T.N.van der Walt, H.H.Coenen Yield and purity of 82Sr produced via the natRb(p, xn)82Sr process NUCLEAR REACTIONS Rb(p, xn)85Sr, E=25-45 MeV; measured σ. Rb(p, xn)82Sr/85Sr, E ≈ 5-80 MeV; compiled, analyzed σ; deduced integral yields.
doi: 10.1016/j.apradiso.2006.08.001
2007SP05 Appl.Radiat.Isot. 65, 1057 (2007) I.Spahn, G.F.Steyn, F.M.Nortier, H.H.Coenen, S.M.Qaim Excitation functions of natGe(p, xn)71, 72, 73, 74As reactions up to 100 MeV with a focus on the production of 72As for medical and 73As for environmental studies NUCLEAR REACTIONS Ge(p, xn)71/72/73/74As, E=18-99 MeV; measured Eγ, Iγ, cross sections and excitation functions using stacked foil activation.
doi: 10.1016/j.apradiso.2007.04.012
2007VE02 Nucl.Instrum.Methods Phys.Res. B255, 331 (2007) C.Vermeulen, G.F.Steyn, F.M.Nortier, F.Szelecsenyi, Z.Kovacs, S.M.Qaim Production of 139Ce by proton-induced reactions on 141Pr and natLa NUCLEAR REACTIONS 141Pr(p, X)132Ce/133mCe/135Ce/137mCe/139Ce, E ≈ 21-97 MeV; La(p, X)139Ce, E ≈ 4-11 MeV; measured production σ; deduced thick-target yields.
doi: 10.1016/j.nimb.2006.12.145
2006BU10 Eur.Phys.J. A 28, 193 (2006) E.Z.Buthelezi, F.Cerutti, E.Gadioli, G.F.Steyn, A.Pepe, S.H.Connell, A.A.Cowley Excitation functions of evaporation residues in the interaction of 16O with 103Rh at incident energies up to 400 MeV NUCLEAR REACTIONS 103Rh(16C, X), E=40-400 MeV; measured evaporation residues isotopic production σ, excitation functions. Activation technique, Monte Carlo calculations, Boltzmann Master Equation theory.
doi: 10.1140/epja/i2006-10054-4
2006ST20 Nucl.Instrum.Methods Phys.Res. B252, 149 (2006) G.F.Steyn, C.Vermeulen, F.M.Nortier, F.Szelecsenyi, Z.Kovacs, S.M.Qaim Production of no-carrier-added 139Pr via precursor decay in the proton bombardment of natPr NUCLEAR REACTIONS Pr(p, X)135Nd/136Nd/137Nd/138Nd/139Nd/139mNd/141Nd/136Pr/137Pr/138mPr, E ≈ 7-97 MeV; measured production σ. Stacked-foil activation technique.
doi: 10.1016/j.nimb.2006.08.012
2006SZ03 Appl.Radiat.Isot. 64, 789 (2006) F.Szelecsenyi, G.F.Steyn, Z.Kovacs, T.N.van der Walt, K.Suzuki Comments on the feasibility of 61Cu production by proton irradiation of natZn on a medical cyclotron NUCLEAR REACTIONS Zn(p, X)60Cu/61Cu/64Cu, E=7-30 MeV; analyzed σ. Feasibility of large-scale production discussed.
doi: 10.1016/j.apradiso.2006.01.011
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
2005BU12 Nucl.Phys. A753, 29 (2005) E.Z.Buthelezi, F.Cerutti, E.Gadioli, G.F.Steyn, S.H.Connell, A.A.Cowley Excitation functions of residues in the interaction of 12C with 103Rh up to an incident energy of 400 MeV NUCLEAR REACTIONS 103Rh(12C, X), E=40-400 MeV; measured evaporation residues isotopic production σ, excitation functions. Activation technique, Monte Carlo calculations, Boltzmann Master Equation theory.
doi: 10.1016/j.nuclphysa.2005.02.126
2005CA29 Nucl.Instrum.Methods Phys.Res. A547, 541 (2005) R.F.Carlson, A.Ingemarsson, M.Lantz, G.J.Arendse, A.Auce, A.J.Cox, S.V.Fortsch, N.M.Jacobs, R.Johansson, J.Nyberg, J.Peavy, P.-U.Renberg, O.Sundberg, J.A.Stander, G.F.Steyn, G.Tibell, R.Zorro A method for measuring light ion reaction cross-sections NUCLEAR REACTIONS 12C(p, X), E=180 MeV; 12C(α, X), E=192.4 MeV; measured reaction σ. 3,4He(p, p), E ≈ 40 MeV; measured σ(θ). 40Ca(3He, 3He'), E=167 MeV; measured particle spectra. Modified attenuation technique for reaction cross section measurement.
doi: 10.1016/j.nima.2005.04.004
2005MU28 Nucl.Phys. A761, 190 (2005) L.J.Mudau, F.Cerutti, E.Gadioli, A.Mairani, S.V.Fortsch, E.Z.Buthelezi, G.F.Steyn, S.H.Connell, J.J.Lawrie, R.Neveling, E.Sideras-Haddad Production of 3He and 6He fragments in the interaction of 12C with 93Nb at 400 MeV NUCLEAR REACTIONS 93Nb(12C, 3HeX), (12C, 6HeX), E=400 MeV; measured particle spectra, σ(E, θ); deduced projectile breakup and nucleon coalescence contributions.
doi: 10.1016/j.nuclphysa.2005.07.014
2005ST02 Nucl.Instrum.Methods Phys.Res. A538, 559 (2005) G.F.Steyn, S.V.Fortsch, J.J.Lawrie, R.Bassini, E.Gadioli, C.Birattari, S.H.Connell Detection of single and resonant projectile fragments in 12C-induced reactions to the continuum
doi: 10.1016/j.nima.2004.08.112
2005SZ02 Nucl.Instrum.Methods Phys.Res. B234, 375 (2005) F.Szelecsenyi, G.F.Steyn, Z.Kovacs, T.N.van der Walt, K.Suzuki, K.Okada, K.Mukai New cross-section data for the 66Zn(p, n)66Ga, 68Zn(p, 3n)66Ga, natZn(p, x)66Ga, 68Zn(p, 2n)67Ga and natZn(p, x)67Ga nuclear reactions up to 100 Mev NUCLEAR REACTIONS 66Zn(p, n), 68Zn(p, 2n), (p, 3n), E ≈ 5-100 MeV; Zn(p, X)66Ga/67Ga, E ≈ 5-100 MeV; measured production σ. Stacked-foil activation, comparison with previous results.
doi: 10.1016/j.nimb.2005.02.011
2005SZ04 Nucl.Instrum.Methods Phys.Res. B240, 625 (2005) F.Szelecsenyi, G.F.Steyn, Z.Kovacs, C.Vermeulen, N.P.van der Meulen, S.G.Dolley, T.N.van der Walt, K.Suzuki, K.Mukai Investigation of the 66Zn(p, 2pn)64Cu and 68Zn(p, x)64Cu nuclear processes up to 100 MeV: Production of 64Cu NUCLEAR REACTIONS Zn, 68Zn(p, X)64Cu, E ≈ 18-100 MeV; 66Zn(p, n2p), E ≈ 35-100 MeV; measured production σ. Stacked-foil activation technique.
doi: 10.1016/j.nimb.2005.05.057
2004BU09 Nucl.Phys. A734, 553 (2004) E.Z.Buthelezi, E.Gadioli, G.F.Steyn, F.Albertini, C.Birattari, M.Cavinato, F.Cerutti, S.H.Connell, A.A.Cowley, E.Fabrici, E.Gadioli Erba Incomplete fusion of projectile fragments in the interaction of 12C with 103Rh up to 33 MeV per nucleon NUCLEAR REACTIONS 103Rh(12C, X)105Ag/104Ag/101Pd/100Pd/102Rh/99Rh/97Ru/95Ru/95Tc/94Tc/93mMo/90Mo/90Nb/86Zr/87Y, E=70-400 MeV; analyzed excitation functions; deduced reaction mechanism features.
doi: 10.1016/j.nuclphysa.2004.01.103
2004KE05 Appl.Radiat.Isot. 60, 939 (2004) K.Kettern, Yu.N.Shubin, G.F.Steyn, T.N.van der Walt, H.H.Coenen, S.M.Qaim Formation of short-lived positron emitters in reactions of protons of energies up to 200 MeV with the target elements carbon, nitrogen and oxygen NUCLEAR REACTIONS C(p, X)11C, E=12-200 MeV; N(p, X)11C/13N, E=7-200 MeV; O(p, X)11C/13N, E=54-200 MeV; measured excitation functions. Stacked-foil activation technique.
doi: 10.1016/j.apradiso.2004.02.007
2003BE62 Eur.Phys.J. A 18, 639 (2003) B.Becker, F.Albertini, E.Gadioli, G.F.Steyn, M.Cavinato, S.H.Connell, A.A.Cowley, E.Fabrici, S.V.Fortsch, E.Gadioli Erba, J.J.Lawrie, E.Sideras-Haddad Emission of Li, 7, 9Be and B fragments in the interaction of 12C with 93Nb between 200 and 400 MeV NUCLEAR REACTIONS 93Nb(12C, X), E=200-400 MeV; measured intermediate mass fragments σ(E, θ); deduced binary fragmentation contribution, other reaction mechanism features.
doi: 10.1140/epja/i2003-10091-5
2003BU21 J.Radioanal.Nucl.Chem. 258, 649 (2003) E.Z.Buthelezi, K.Aardaneh, G.F.Steyn, E.Gadioli, T.N.Van der Walt, F.Albertini, F.Cerutti, S.H.Connell, A.A.Cowley, F.M.Nortier Isobaric yields and radiochemistry of near-target residues in the interaction of 12C and 16O with 103Rh at an incident energy of 400 MeV NUCLEAR REACTIONS 103Rh(12C, X), (16O, X), E=400 MeV; measured target-like fragments isotopic production σ. Radiochemical separation.
doi: 10.1023/B:JRNC.0000011764.30879.fb
2003GA15 Eur.Phys.J. A 17, 195 (2003) E.Gadioli, G.F.Steyn, F.Albertini, C.Birattari, M.Cavinato, S.H.Connell, A.A.Cowley, E.Fabrici, S.V.Fortsch, E.Gadioli Erba, J.J.Lawrie, M.Pigni, J.P.F.Sellschop, E.Sideras-Haddad Emission of intermediate-mass fragments in the interaction of 16O with 59Co, 93Nb and 197Au NUCLEAR REACTIONS 59Co, 93Nb, 197Au(16O, X), E=6-25 MeV/nucleon; measured intermediate mass fragment yields, spectra, σ(E, θ); deduced reaction mechanism features.
doi: 10.1140/epja/i2003-10007-5
2003SZ01 Appl.Radiat.Isot. 58, 377 (2003) F.Szelecsenyi, Z.Kovacs, T.N.van der Walt, G.F.Steyn, K.Suzuki, K.Okada Investigation of the natZn(p, x)62Zn nuclear process up to 70MeV: a new 62Zn/62Cu generator NUCLEAR REACTIONS Zn(p, X)62Zn/66Ga, E ≈ 24-70 MeV; 66Zn(p, n), (p, 4np), E ≈ 35-67 MeV; measured production σ; deduced thick-target yields. Stacked-foil activation technique.
doi: 10.1016/S0969-8043(02)00345-7
2002GA32 Nucl.Phys. A708, 391 (2002) E.Gadioli, G.F.Steyn, C.Birattari, C.Catarisano, M.Cavinato, S.H.Connell, A.A.Cowley, E.Fabrici, S.V.Fortsch, E.Gadioli Erba, J.J.Lawrie, J.P.F.Sellschop, E.Sideras-Haddad Interplay of Mean Field and Nucleon-Nucleon Interactions in the Production of Carbon Fragments in 16O Induced Reactions at Incident Energies up to 25 MeV/amu NUCLEAR REACTIONS 59Co, 93Nb(16O, X), E=100, 250, 400 MeV; measured carbon fragments spectra, σ(θ); deduced projectile breakup and nucleon coalescence contributions.
doi: 10.1016/S0375-9474(02)01021-7
2002GA51 Acta Phys.Hung.N.S. 16, 359 (2002) E.Gadioli, G.F.Steyn, C.Birattari, C.Catarisano, M.Cavinato, S.H.Connell, E.Fabrici, S.V.Fortsch, E.Gadioli Erba, J.J.Lawrie, F.M.Nortier, J.P.F.Sellschop, E.Sideras-Haddad Nucleon Coalescence in the Interaction of 16O with 59Co at an Incident Energy of 250 MeV NUCLEAR REACTIONS 59Co(16O, X), E=250 MeV; measured intermediate mass fragment yields, energy and angular distributions; deduced nucleon coalescence, related reaction mechanism features.
doi: 10.1556/APH.16.2002.1-4.38
2002NE12 Phys.Rev. C66, 034602 (2002) R.Neveling, A.A.Cowley, G.F.Steyn, S.V.Fortsch, G.C.Hillhouse, J.Mano, S.M.Wyngaardt Analyzing Power and Cross Section Distributions of the Knockout Reaction 208Pb(p(pol), 2p)207Tl at an Incident Energy of 202 MeV NUCLEAR REACTIONS 208Pb(polarized p, 2p), E=202 MeV; measured Ep, σ(θ), Ay(θ); deduced nucleon-nucleon interaction features. Comparison with model predictions.
doi: 10.1103/PhysRevC.66.034602
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
2001GA47 Eur.Phys.J. A 11, 161 (2001) E.Gadioli, G.F.Steyn, C.Birattari, M.Cavinato, S.H.Connell, A.A.Cowley, E.Fabrici, S.V.Fortsch, E.Gadioli Erba, J.J.Lawrie, F.M.Nortier, J.P.F.Sellschop, E.Sideras-Haddad Emission of 8Begs in the Interaction of 12C with Nuclei at Incident Energies up to 33 MeV/amu NUCLEAR REACTIONS 59Co, 93Nb, 197Au(12C, X), E=100-400 MeV; measured σ(θ) vs 8Be energy for 8Be emission, break-up and coalescence contributions. Breakup mechanisms discussed.
doi: 10.1007/s100500170082
2001IN03 Nucl.Phys. A696, 3 (2001) A.Ingemarsson, G.J.Arendse, A.Auce, R.F.Carlson, A.A.Cowley, A.J.Cox, S.V.Fortsch, R.Johansson, B.R.Karlson, M.Lantz, J.Peavy, J.A.Stander, G.F.Steyn, G.Tibell Reaction Cross Sections of Intermediate Energy 3He-Particles on Targets from 9Be to 208Pb NUCLEAR REACTIONS 9Be, 12C, 16O, 28Si, 40Ca, 58,60Ni, 112,116,118,120,124Sn, 208Pb(3He, X), E=96, 138, 167 MeV; measured reaction σ; deduced reaction mechanism features. Comparison with optical model predictions.
doi: 10.1016/S0375-9474(01)01116-2
2001RI01 Phys.Rev. C63, 014610 (2001) D.Ridikas, W.Mittig, H.Savajols, P.Roussel-Chomaz, S.V.Fortsch, J.J.Lawrie, G.F.Steyn Inclusive Proton Production Cross Sections in (d, xp) Reactions Induced by 100 MeV Deuterons NUCLEAR REACTIONS 9Be, 12C, 27Al, 58Ni, 93Nb, 181Ta, 208Pb, 238U(d, pX), E=100 MeV; measured proton spectra, σ(E, θ); deduced reaction mechanism features. Comparisons with model predictions.
doi: 10.1103/PhysRevC.63.014610
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
2000CO28 Phys.Rev. C62, 064604 (2000) A.A.Cowley, G.F.Steyn, Y.Watanabe, T.Noro, K.Tamura, M.Kawabata, K.Hatanaka, H.Sakaguchi, H.Takeda, M.Itoh Inclusive Reaction 40Ca(p, p'x) at an Incident Energy of 392 MeV NUCLEAR REACTIONS 40Ca(p, p'X), E=392 MeV; measured proton spectra, σ(E, θ); deduced reaction mechanism features. Semiclassical distorted wave analysis.
doi: 10.1103/PhysRevC.62.064604
2000CO29 Phys.Rev. C62, 064605 (2000) A.A.Cowley, G.F.Steyn, S.S.Dimitrova, P.E.Hodgson, G.J.Arendse, S.V.Fortsch, G.C.Hillhouse, J.J.Lawrie, R.Neveling, W.A.Richter, J.A.Stander, S.M.Wyngaardt Multistep Direct Mechanism in the (p(pol), 3He) Inclusive Reaction on 59Co and 93Nb at an Incident Energy of 100 MeV NUCLEAR REACTIONS 59Co, 93Nb(polarized p, 3He), E=100 MeV; measured σ(E, θ), Ay(θ); deduced one-step, multistep process contributions, other reaction mechanism features. Comparison with model predictions.
doi: 10.1103/PhysRevC.62.064605
2000GA39 Eur.Phys.J. A 8, 373 (2000) E.Gadioli, M.Cavinato, E.Fabrici, E.Gadioli Erba, R.Bassini, C.Birattari, S.Crippa, G.F.Steyn, S.V.Fortsch, J.J.Lawrie, F.M.Nortier, S.H.Connell, E.Sideras-Haddad, J.P.F.Sellschop, A.A.Cowley Evidence for a Dissipative Friction Mechanism Based on 8Be Fragments from the Interaction of 12C with 59Co NUCLEAR REACTIONS 59Co(12C, 8Be), E=8.3-33.3 MeV/nucleon; measured σ(θ), αα-coin. Effect of projectile break up discussed. Comparison with model predictions.
doi: 10.1007/s100500070089
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
1999GA39 Nucl.Phys. A654, 523 (1999) E.Gadioli, M.Cavinato, E.Fabrici, E.Gadioli Erba, C.Birattari, I.Mica, S.Solia, G.F.Steyn, S.V.Fortsch, J.J.Lawrie, F.M.Nortier, T.G.Stevens, S.H.Connell, J.P.F.Sellschop, A.A.Cowley Alpha Particle Emission in the Interaction of 12C with 59Co and 93Nb at Incident Energies of 300 and 400 MeV NUCLEAR REACTIONS 59Co, 93Nb(12C, αX), E=300, 400 MeV; measured α spectra, σ(Eα, θ); deduced reaction mechanism features.
doi: 10.1016/S0375-9474(00)88492-4
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
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
1998CO13 Phys.Rev. C57, 3185 (1998) A.A.Cowley, G.J.Arendse, R.F.Visser, G.F.Steyn, S.V.Fortsch, J.J.Lawrie, J.V.Pilcher, T.Noro, T.Baba, K.Hatanaka, M.Kawabata, N.Matsuoka, Y.Mizuno, M.Nomachi, K.Takahisa, K.Tamura, Y.Yuasa, H.Sakaguchi, T.Itoh, H.Takeda, Y.Watanabe Rescattering in Knockout Reactions as Manifested in 40Ca(p, p'p'') at an Incident Energy of 392 MeV NUCLEAR REACTIONS 40Ca(p, 2p), E=392 MeV; measured σ(E(p1), E(p2), θ); deduced reaction mechanism. DWIA analysis.
doi: 10.1103/PhysRevC.57.3185
1998GA32 Acta Phys.Hung.N.S. 7, 275 (1998) E.Gadioli, C.Birattari, M.Cavinato, E.Fabrici, E.Gadioli Erba, V.Allori, G.Bello, F.Cerutti, A.Di Filippo, T.G.Stevens, S.H.Connell, J.P.F.Sellschop, F.M.Nortier, G.F.Steyn, C.Marchetta The Interaction of 12C and 16O with 103Rh NUCLEAR REACTIONS 103Rh(12C, X)113Sn/111In/110Sn/108In/105Ag/102Rh, E=50-400 MeV; 103Rh(16O, X)115Sb/113Sn/110Sn/111In/108In/105Ag/103Ag/101Pd/101Rh/100Rh/95Ru/94Tc, E=50-400 MeV; calculated excitation functions; deduced pre-equilibrium emission, other reaction mechanism features. Comparison with data.
1998GA36 Nucl.Phys. A641, 271 (1998) E.Gadioli, C.Birattari, M.Cavinato, E.Fabrici, E.Gadioli Erba, V.Allori, F.Cerutti, A.Di Filippo, S.Vailati, T.G.Stevens, S.H.Connell, J.P.F.Sellschop, F.M.Nortier, G.F.Steyn, C.Marchetta Angular Distributions and Forward Recoil Range Distributions of Residues Created in the Interaction of 12C and 16O Ions with 103Rh NUCLEAR REACTIONS 103Rh(12C, X), E=151, 228 MeV; measured residual nuclei angular distributions, yields; 103Rh(12C, X), E=402 MeV; 103Rh(16O, X), E=303 MeV; measured residual nudlei yields, recoil range distributions; deduced reaction mechanism features, incomplete fusion. Activation technique.
doi: 10.1016/S0375-9474(98)00472-2
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
1997CO05 Phys.Rev. C55, 1843 (1997) A.A.Cowley, G.J.Arendse, G.F.Steyn, J.A.Stander, W.A.Richter, S.S.Dimitrova, P.Demetriou, P.E.Hodgson Inclusive (p, 3He) Reactions on 59Co and 197Au at Incident Energies of 120, 160, and 200 MeV NUCLEAR REACTIONS 59Co, 197Au(p, 3He), E=120, 160, 200 MeV; measured σ(θ) vs E; deduced multi-step mechanisms role. Statistical multi-step direct reaction theory.
doi: 10.1103/PhysRevC.55.1843
1997GA09 Phys.Lett. 394B, 29 (1997) E.Gadioli, C.Birattari, M.Cavinato, E.Fabrici, E.Gadioli Erba, V.Allori, C.Bovati, F.Cerutti, A.Di Filippo, E.Galbiati, T.G.Stevens, S.H.Connell, J.P.F.Sellschop, S.J.Mills, F.M.Nortier, G.F.Steyn, C.Marchetta Comprehensive Study of the Reactions Induced by 12C on 103Rh up to 33 MeV/nucleon NUCLEAR REACTIONS 103Rh(12C, X)113Sb/110In/108In/107In/111In/105Ag/104Ag/103Ag/102Ag/101Pd/100Pd/99Rh/98Rh/97Ru/96Tc/95Ru/94Tc/93Mo/93mMo/90Nb, E=45-400 MeV; measured residuals production σ(E). Activation technique.
doi: 10.1016/S0370-2693(97)00003-8
1996BI19 Phys.Rev. C54, 3051 (1996) C.Birattari, M.Bonardi, M.Cavinato, E.Fabrici, E.Gadioli, E.Gadioli Erba, F.Groppi, M.Bello, C.Bovati, A.Di Filippo, T.G.Stevens, S.H.Connell, J.P.F.Sellschop, S.J.Mills, F.M.Nortier, G.F.Steyn, C.Marchetta Preequilibrium Processes in the Fusion of 12C with 103Rh up to 20 MeV/nucleon NUCLEAR REACTIONS, ICPND 103Rh(12C, xnyp)113Sb/111Sn/110Sn/109Sn/108Sn/113Sn/111In/110In/110mIn, E=40-210 MeV; measured residuals production σ(E); deduced fusion σ, multiplicity of pre-equilibrium particles, mean-field interaction. Boltzmann master equation calculation.
doi: 10.1103/PhysRevC.54.3051
1996CO12 Phys.Rev. C54, 778 (1996) A.A.Cowley, G.J.Arendse, J.W.Koen, W.A.Richter, J.A.Stander, G.F.Steyn, P.Demetriou, P.E.Hodgson, Y.Watanabe Inclusive (p, α) Reactions on 27Al, 59Co, and 197Au at Incident Energies of 120, 160, and 200 MeV NUCLEAR REACTIONS 27Al, 59Co, 197Au(p, α), E=120, 160, 200 MeV; measured σ(Eα, θ); deduced higher-step contributions role. Multi-step DWBA analysis.
doi: 10.1103/PhysRevC.54.778
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
1995NO08 Appl.Radiat.Isot. 46, 1377 (1995) F.M.Nortier, S.J.Mills, G.F.Steyn Excitation Functions for the Production of Some Radioisotopes of Cs, Xe and I in Proton Bombardment of (nat)Xe up to 100 MeV NUCLEAR REACTIONS, ICPND Xe(p, X)125Cs/127Cs/129Cs/130Cs/132Cs/136Cs/136mCs/122Xe/123Xe/125Xe/125mXe/127Xe/127mXe/129Xe/129mXe/124I/126I/130I/130mI/131I, E=threshold-100 MeV; measured residuals production σ(E). Geometry-dependent hybrid model.
doi: 10.1016/0969-8043(95)00216-Z
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
1994NO10 Appl.Radiat.Isot. 45, 1051 (1994) F.M.Nortier, S.J.Mills, G.F.Steyn Excitation Function of the 111Cd(p, n)111m,111gIn Reaction NUCLEAR REACTIONS, ICPND 111Cd(p, n), E ≤ 30 MeV; compiled, reviewed σ(E) data.
doi: 10.1016/0969-8043(94)90177-5
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
1992MI14 Appl.Radiat.Isot. 43, 1019 (1992) S.J.Mills, G.F.Steyn, F.M.Nortier Experimental and Theoretical Excitation Functions of Radionuclides Produced in Proton Bombardment of Copper up to 200 MeV NUCLEAR REACTIONS, ICPND Cu(p, X)60Co/52Fe/59Fe/52Mn/54Mn/56Mn/48Cr/49Cr/51Cr/48V/44Sc/44mSc/46Sc, E=200 MeV; measured residuals production effective σ. Model comparison.
doi: 10.1016/0883-2889(92)90221-Y
1992ST15 Appl.Radiat.Isot. 43, 1323 (1992) G.F.Steyn, B.R.S.Simpson, S.J.Mills, F.M.Nortier The Production of 55Fe with Medium-Energy Protons NUCLEAR REACTIONS 55Mn, 59Co, Ni(p, X)55Fe, E=threshold-100 MeV; measured residual production rates. Thick target. Model comparison.
doi: 10.1016/0883-2889(92)90003-W
1991NO02 Appl.Radiat.Isot. 42, 353 (1991) F.M.Nortier, S.J.Mills, G.F.Steyn Excitation Functions and Yields of Relevance to the Production of 67Ga by Proton Bombardment of (nat)Zn and (nat)Ge up to 100 MeV NUCLEAR REACTIONS, ICPND Zn(p, X)65Ga/66Ga/67Ga/68Ga, E=8.4-99.6 MeV; Ge(p, X)65Ga/66Ga/67Ga/68Ga/72Ga, E=4.9-97.9 MeV; measured residuals production σ, thick target yields.
doi: 10.1016/0883-2889(91)90138-Q
1991NO06 Appl.Radiat.Isot. 42, 1105 (1991) F.M.Nortier, S.J.Mills, G.F.Steyn Excitation Functions for the Production of 109Cd, 109In and 109Sn in Proton Bombardment of Indium up to 200 MeV NUCLEAR REACTIONS, ICPND In(p, X)109Cd/109In/109Sn, E ≤ 200 MeV; measured residuals production σ(E). Model calculations.
doi: 10.1016/0883-2889(91)90021-R
1991ST02 Appl.Radiat.Isot. 42, 361 (1991) G.F.Steyn, S.J.Mills, F.M.Nortier, F.J.Haasbroek Integral Excitation Functions for (nat)Kr + p up to 116 MeV and Optimization of the Production of 81Rb for 81mKr Generators NUCLEAR REACTIONS, ICPND Kr(p, X)79Rb/81Rb/81mRb/82Rb/82mRb/83Rb/84Rb/84mRb/86Rb/77Kr/79Kr/85Kr/85mKr/77Br/82Br, E=threshold-116 MeV; measured thick target production rates, σ(E). Geometry dependent hybrid model.
doi: 10.1016/0883-2889(91)90139-R
1990NO11 Appl.Radiat.Isot. 41, 1201 (1990) F.M.Nortier, S.J.Mills, G.F.Steyn Excitation Functions and Production Rates of Relevance to the Production of 111In by Proton Bombardment of (nat)Cd and (nat)In up to 100 MeV NUCLEAR REACTIONS, ICPND Cd(p, xn)111In, In(p, xn)111Sn, E=threshold-100 MeV; measured residual production σ(E); deduced thick target production rates.
doi: 10.1016/0883-2889(90)90207-W
1990ST03 Appl.Radiat.Isot. 41, 315 (1990) G.F.Steyn, S.J.Mills, F.M.Nortier, B.R.S.Simpson, B.R.Meyer Production of 52Fe via Proton-Induced Reactions on Manganese and Nickel NUCLEAR REACTIONS, ICPND 55Mn(p, 4n), E=40-200 MeV; 27Al(p, X)22Na, E=75-200 MeV; Ni(p, X)52Fe, E=45-200 MeV; measured residual production σ(E).
doi: 10.1016/0883-2889(90)90197-O
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