NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = B.Rebeiro Found 22 matches. 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
2024BA09 Nuovo Cim. C 47, 17 (2024) A.Bahini, R.Neveling, P.von Neumann-Cosel, I.T.Usman, J.Carter, 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 Study of the isoscalar giant monopole resonance: Discrepancies between available experimental results NUCLEAR REACTIONS 24Mg, 208Pb(α, α'), E=196, 240, 386 MeV; measured reaction products, Eα, Iα; deduced isoscalar giant monopole (IS0) strength distributions. Comparison with available data. The Separated Sector Cyclotron (SSC) facility, iThemba LABS.
doi: 10.1393/ncc/i2024-24017-0
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
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
2023RA04 Nucl.Phys. A1032, 122622 (2023) Y.Rahma, S.Ouichaoui, J.Kiener, E.A.Lawrie, J.J.Lawrie, V.Tatischeff, A.Belhout, D.Moussa, W.Yahia-Cherif, H.Benhabiles-Mezhoud, T.D.Bucher, T.R.S.Dinoko, A.Chafa, J.L.Conradie, S.Damache, M.Debabi, I.Deloncle, J.L.Easton, M.Fouka, C.Hamadache, F.Hammache, P.Jones, B.V.Kheswa, N.A.Khumalo, T.Lamula, S.N.T.Majola, J.Ndayishimye, D.Negi, S.P.Noncolela, S.Ouziane, P.Papka, S.Peterson, M.Kumar Raju, V.Ramanathan, B.M.Rebeiro, N.de Sereville, J.F.Sharpey-Schafer, O.Shirinda, M.Wiedeking, S.Wyngaardt γ-ray emission in proton-induced nuclear reactions on natC and Mylar targets over the incident energy range, Ep = 30 - 200 MeV. Astrophysical implications NUCLEAR REACTIONS 12C, 16O, 24Mg, 28Si, 56Fe(p, X), E=30-200 MeV; measured reaction products; deduced γ-ray production σ. The K = 200 separated sector cyclotron of iThemba LABS using a high-energy resolution, high-efficiency detection array composed of 8 Compton-suppressed clover detectors comprising 32 HP-Ge crystals for recording the γ-ray energy spectra.
doi: 10.1016/j.nuclphysa.2023.122622
2023RE09 Phys.Rev.Lett. 131, 052501 (2023) B.M.Rebeiro, S.Triambak, P.E.Garrett, G.C.Ball, B.A.Brown, J.Menendez, B.Romeo, P.Adsley, B.G.Lenardo, R.Lindsay, V.Bildstein, C.Burbadge, R.Coleman, A.Diaz Varela, R.Dubey, T.Faestermann, R.Hertenberger, M.Kamil, K.G.Leach, C.Natzke, J.C.Nzobadila Ondze, A.Radich, E.Rand, H.-F.Wirth 138Ba(d, α) Study of States in 136Cs: Implications for New Physics Searches with Xenon Detectors NUCLEAR REACTIONS 138Ba(d, α), E=22 MeV; measured reaction products, Eα, Iα; deduced energy levels, J, π, σ(θ), partial level scheme. Comparison with the shell-model results obtained with the GCN5082, SN100PN, and QX effective interactions. The Maier-Leibnitz Laboratorium in Garching, Germany.
doi: 10.1103/PhysRevLett.131.052501
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
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
2022KA18 Phys.Rev. C 105, 055805 (2022) M.Kamil, S.Triambak, G.C.Ball, V.Bildstein, A.Diaz Varela, T.Faestermann, P.E.Garrett, F.Ghazi Moradi, R.Hertenberger, N.Y.Kheswa, N.J.Mukwevho, B.M.Rebeiro, H.-F.Wirth Proton capture on 30P in novae: On the existence of states at 6.40 MeV and 6.65 MeV in 31S NUCLEAR REACTIONS 32S(d, t), E=23 MeV; measured reactions products triton spectrum, angular distribution; deduced resonances energies. 31S; deduced levels. Confirmed existence of 6401-keV state and found new one at 6648 keV in 31S. 30P(p, γ), T=0.1-1.5 GK; deduced reaction rate taking into account newly identified resonances. Q3D magnetic spectrograph at the Maier-Leibnitz-Laboratorium (MLL) tandem accelerator facility in Garching, Germany.
doi: 10.1103/PhysRevC.105.055805
2022SC17 J.Phys.(London) G49, 110502 (2022) H.Schatz, A.D.Becerril Reyes, A.Best, E.F.Brown, K.Chatziioannou, K.A.Chipps, C.M.Deibel, R.Ezzeddine, D.K.Galloway, C.J.Hansen, F.Herwig, A.P.Ji, M.Lugaro, Z.Meisel, D.Norman, J.S.Read, L.F.Roberts, A.Spyrou, I.Tews, F.X.Timmes, C.Travaglio, N.Vassh, C.Abia, P.Adsley, S.Agarwal, M.Aliotta, W.Aoki, A.Arcones, A.Aryan, A.Bandyopadhyay, A.Banu, D.W.Bardayan, J.Barnes, A.Bauswein, T.C.Beers, J.Bishop, T.Boztepe, B.Cote, M.E.Caplan, A.E.Champagne, J.A.Clark, M.Couder, A.Couture, S.E.de Mink, S.Debnath, R.J.deBoer, J.den Hartogh, P.Denissenkov, V.Dexheimer, I.Dillmann, J.E.Escher, M.A.Famiano, R.Farmer, R.Fisher, C.Frohlich, A.Frebel, C.Fryer, G.Fuller, A.K.Ganguly, S.Ghosh, B.K.Gibson, T.Gorda, K.N.Gourgouliatos, V.Graber, M.Gupta, W.C.Haxton, A.Heger, W.R.Hix, W.C.G.Ho, E.M.Holmbeck, A.A.Hood, S.Huth, G.Imbriani, R.G.Izzard, R.Jain, H.Jayatissa, Z.Johnston, T.Kajino, A.Kankainen, G.G.Kiss, A.Kwiatkowski, M.La Cognata, A.M.Laird, L.Lamia, P.Landry, E.Laplace, K.D.Launey, D.Leahy, G.Leckenby, A.Lennarz, B.Longfellow, A.E.Lovell, W.G.Lynch, S.M.Lyons, K.Maeda, E.Masha, C.Matei, J.Merc, B.Messer, F.Montes, A.Mukherjee, M.R.Mumpower, D.Neto, B.Nevins, W.G.Newton, L.Q.Nguyen, K.Nishikawa, N.Nishimura, F.M.Nunes, E.O'Connor, B.W.O'Shea, W.-J.Ong, S.D.Pain, M.A.Pajkos, M.Pignatari, R.G.Pizzone, V.M.Placco, T.Plewa, B.Pritychenko, A.Psaltis, D.Puentes, Y.-Z.Qian, D.Radice, D.Rapagnani, B.M.Rebeiro, R.Reifarth, A.L.Richard, N.Rijal, I.U.Roederer, J.S.Rojo, J.S K, Y.Saito, A.Schwenk, M.L.Sergi, R.S.Sidhu, A.Simon, T.Sivarani, A.Skuladottir, M.S.Smith, A.Spiridon, T.M.Sprouse, S.Starrfield, A.W.Steiner, F.Strieder, I.Sultana, R.Surman, T.Szucs, A.Tawfik, F.Thielemann, L.Trache, R.Trappitsch, M.B.Tsang, A.Tumino, S.Upadhyayula, J.O.Valle Martinez, M.Van der Swaelmen, C.Viscasillas Vazquez, A.Watts, B.Wehmeyer, M.Wiescher, C.Wrede, J.Yoon, R.G.T.Zegers, M.A.Zermane, M.Zingale, the Horizon 2020 Collaborations Horizons: nuclear astrophysics in the 2020s and beyond
doi: https://dx.doi.org/10.1088/1361-6471/ac8890
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
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
2021NZ01 Phys.Rev. C 103, 034329 (2021) J.C.Nzobadila Ondze, B.M.Rebeiro, S.Triambak, L.Atar, G.C.Ball, V.Bildstein, C.Burbadge, A.Diaz Varela, T.Faestermann, P.E.Garrett, R.Hertenberger, M.Kamil, R.Lindsay, J.N.Orce, A.Radich, H.-F.Wirth Investigation of pair-correlated 0+ states in 134Ba via the 136Ba(p, t) reaction NUCLEAR REACTIONS 136Ba(p, t), E=22 MeV; measured reaction products, E(t), I(t), differential σ(θ) using Q3D spectrometer at MLL-Munich tandem accelerator. 134Ba; deduced levels, energies of 0+ states, monopole (p, t) strengths. DWBA analysis. Comparison with previous experimental results. Discussed implication for 136Xe to 136Ba neutrinoless double beta decay matrix element calculation.
doi: 10.1103/PhysRevC.103.034329
2021OR05 Phys.Rev. C 104, L061305 (2021) J.N.Orce, E.J.Martin Montes, K.J.Abrahams, C.Ngwetsheni, B.A.Brown, M.Kumar Raju, C.V.Mehl, M.J.Mokgolobotho, E.H.Akakpo, D.L.Mavela, P.Adsley, R.A.Bark, N.Bernier, T.D.Bucher, N.R.Erasmus, T.S.Dinoko, P.M.Jones, N.Y.Kheswa, N.A.Khumalo, E.A.Lawrie, J.J.Lawrie, B.L.Lesch, S.N.T.Majola, S.S.Ntshangase, P.Papka, V.Pesudo, B.Rebeiro, O.Shirinda, M.Wiedeking, W.Yahia-Cherif Reorientation-effect measurement of the < 2+1 Ε2 2+1 > matrix element in 36Ar NUCLEAR REACTIONS 194Pt(36Ar, 36Ar), E=134.2 MeV; measured Eγ, Iγ, γ(θ), (particle)γ-coin using AFRODITE array of eight HPGe clover detectors coupled to an annular, double-sided silicon detector at iThemba LABS; analyzed Coulomb excitation yields using semiclassical coupled-channel Coulomb-excitation least-squares code GOSIA. 36Ar; deduced E2 matrix element and B(E2) for the first 2+ state, diagonal E2 matrix element and spectroscopic quadrupole moment for the first 2+ state.Systematics of Q(for first 2+)/B(E2) for first 2+ in 20Ne, 24Mg, 28Si, 32S, 36Ar. NUCLEAR MOMENTS 36Ar; measured spectroscopic quadrupole moment of the first excited 2+ state by reorientation-effect in Coulomb excitation using 194Pt(36Ar, 36Ar), E=134.2 MeV, and analyzing Coulomb excitation yields using GOSIA code. Comparison with beyond mean-field and large-scale shell-model calculations, and with experimental spectroscopic quadrupole moments for the first 2+ states in 20Ne, 24Mg, 28Si, 32S, 36Ar.
doi: 10.1103/PhysRevC.104.L061305
2021RE11 Phys.Rev. C 104, 034309 (2021) B.M.Rebeiro, S.Triambak, P.E.Garrett, B.A.Brown, G.C.Ball, R.Lindsay, P.Adsley, V.Bildstein, C.Burbadge, A.Diaz-Varela, T.Faestermann, R.Hertenberger, B.Jigmeddorj, M.Kamil, K.G.Leach, P.Z.Mabika, J.C.Nzobadila Ondze, J.N.Orce, A.Radich, H.-F.Wirth Spectroscopy of states in 136Ba using the 138Ba (p, t) reaction NUCLEAR REACTIONS 138Ba(p, t), E=23 MeV; measured outgoing triton spectra, E(t), I(t), differential σ(θ) distributions using Q3D magnetic spectrometer at MLL-Munich tandem accelerator. DWBA analysis of σ(θ) data using DWUCK4 code using global proton optical model parameters. 136Ba; deduced levels, J, π. Comparison of measured level densities with shell model calculations, and with previous experimental data in ENSDF database. Discussed importance of 136Ba nuclear structure in the context of 136Xe double beta decay.
doi: 10.1103/PhysRevC.104.034309
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
2020GA06 Acta Phys.Pol. B51, 799 (2020) P.E.Garrett, L.Makhathini, R.A.Bark, T.r.rodriguez, S.Valbuena, V.Bildstein, T.D.Bucher, C.Burbadge, R.Dubey, T.Faestermann, R.Hertenberger, M.Kamil, E.A.Lawrie, K.G.Leach, A.D.MacLean, C.Malotana, C.Mehl, S.H.Mthembu, J.Mukwevho, C.Ngwetsheni, S.S.Ntshangase, J.Ondze, J.N.Orce, B.Rebeiro, B.Singh, S.Triambak, E.C.Vyfers, H-F.Wirth Shape Coexistence in the Ru Isotopes; Multi-spectroscopic Study of 98Ru and Beyond-mean-field Calculations
doi: 10.5506/APhysPolB.51.799
2020GA26 Phys.Lett. B 809, 135762 (2020) P.E.Garrett, L.Makhathini, R.A.Bark, T.R.Rodriguez, S.Valbuena, V.Bildstein, T.D.Bucher, C.Burbadge, R.Dubey, T.Faestermann, R.Hertenberger, M.Kamil, E.A.Lawrie, K.G.Leach, A.D.MacLean, C.Mehl, S.H.Mthembu, N.J.Mukwevho, C.Ngwetsheni, S.S.Ntshangase, J.C.Nzobadila Ondze, J.N.Orce, B.Rebeiro, B.Singh, S.Triambak, E.C.Vyfers, H.-F.Wirth Observation of the 0+2 and γ bands in 98Ru, and shape coexistence in the Ru isotopes RADIOACTIVITY 98Rh(β+), (EC) [from 89Y(12C, 3n), E=47.5 MeV]; measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities, branching, σ(θ), J, π, bands. Comparison with theoretical calculations.
doi: 10.1016/j.physletb.2020.135762
2020RE12 Phys.Lett. B 809, 135702 (2020), Erratum Phys.Lett. B 820, 136532 (2021) B.M.Rebeiro, S.Triambak, P.E.Garrett, B.A.Brown, G.C.Ball, R.Lindsay, P.Adsley, V.Bildstein, C.Burbadge, A.Diaz Varela, T.Faestermann, D.L.Fang, R.Hertenberger, M.Horoi, B.Jigmeddorj, M.Kamil, K.G.Leach, P.Z.Mabika, J.C.Nzobadila Ondze, J.N.Orce, H.-F.Wirth Benchmarking 136Xe neutrinoless ββ decay matrix element calculations with the 138Ba(p, t) reaction NUCLEAR REACTIONS 138Ba(p, t), (p, p), E=23 MeV; measured reaction products, Ep, Ip; deduced σ(θ), neutrinoless ββ decay matrix elements.
doi: 10.1016/j.physletb.2020.135702
2019RE07 Phys.Rev. C 99, 065502 (2019) B.M.Rebeiro, S.Triambak, P.Z.Mabika, P.Finlay, C.S.Sumithrarachchi, G.Hackman, G.C.Ball, P.E.Garrett, C.E.Svensson, D.S.Cross, R.Dunlop, A.B.Garnsworthy, R.Kshetri, J.N.Orce, M.R.Pearson, E.R.Tardiff, H.Al Falou, R.A.E.Austin, R.Churchman, M.K.Djongolov, R.D'Entremont, C.Kierans, L.Milovanovic, S.O'Hagan, S.Reeve, S.K.L.Sjue, S.J.Williams, S.S.Ntshangase Precise branching ratio measurements in 19Ne β decay and fundamental tests of the weak interaction RADIOACTIVITY 19Ne(β+)[from C, Si(p, X), E=500 MeV at TRIUMF facility]; measured Eγ, Iγ, electron spectra, βγ-coin using the 8π γ-ray spectrometer and SCEPTAR detector array at TRIUMF-ISAC facility. 19F; deduced levels, β+-branching ratios, precise β branch for superallowed ground-state to ground-state branch, Ft values, Vud element of the CKM quark-mixing matrix. Comparison with previous experimental results. Discussed implications for testing weak interaction symmetries.
doi: 10.1103/PhysRevC.99.065502
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
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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