NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = R.W.Fearick Found 38 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
2023FE08 Phys. Rev. Res. 5, L022044 (2023) R.W.Fearick, P.von Neumann-Cosel, S.Bacca, J.Birkhan, F.Bonaiti, I.Brandherm, G.Hagen, H.Matsubara, W.Nazarewicz, N.Pietralla, V.Yu.Ponomarev, P.-G.Reinhard, X.Roca-Maza, A.Richter, A.Schwenk, J.Simonis, and A.Tamii Electric dipole polarizability of 40Ca NUCLEAR REACTIONS 40Ca(p, p'), E=5-25 MeV; measured reaction products, Ep, Ip; deduced electric dipole strength distribution, σ(θ, E). Comparison with available data. The Grand Raiden spectrometer, RCNP, Osaka.
doi: 10.1103/PhysRevResearch.5.L022044
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
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
2018FE06 Phys.Rev. C 97, 044325 (2018) R.W.Fearick, B.Erler, H.Matsubara, P.von Neumann-Cosel, A.Richter, R.Roth, A.Tamii Origin of fine structure of the giant dipole resonance in sd-shell nuclei NUCLEAR REACTIONS 24Mg, 28Si, 32S, 40Ca(p, p'), E=295 MeV; analyzed experimental spectra encompassing giant-dipole resonance (GDR), and B(E1) strength distributions. Multipole decomposition and wavelet analysis; deduced fine structure of the GDR, wavelet power spectra from experimental data. Random phase approximation (RPA) calculations on a deformed ground state with a realistic nucleon-nucleon interaction. B(E1) strength distributions and wavelet power spectra computed in HFB+QRPA approach with D1S Gogny force.
doi: 10.1103/PhysRevC.97.044325
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
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
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
2014PO03 Phys.Rev. C 89, 054322 (2014) I.Poltoratska, R.W.Fearick, A.M.Krumbholz, E.Litvinova, H.Matsubara, P.von Neumann-Cosel, V.Yu.Ponomarev, A.Richter, A.Tamii Fine structure of the isovector giant dipole resonance in 208Pb: Characteristic scales and level densities NUCLEAR REACTIONS 208Pb(p, p'), E=295 MeV; analyzed experimental data obtained using Grand-Raiden spectrometer at RCNP facility, double-differential σ(θ), continuous and discrete wavelet transform (CWT, DWT) analysis of excitation energy spectrum, extraction of scales for the observed fine structure in isovector-giant dipole resonance (IVGDR), level density of 1- states in IVGDR region, GDR width, B(E1) strength. Comparison with theoretical predictions.
doi: 10.1103/PhysRevC.89.054322
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
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
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
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
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
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
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
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
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
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
2008SH07 Phys.Rev. C 77, 024302 (2008) A.Shevchenko, J.Carter, G.R.J.Cooper, R.W.Fearick, Y.Kalmykov, P.von Neumann-Cosel, V.Yu.Ponomarev, A.Richter, I.Usman, J.Wambach Analysis of fine structure in the nuclear continuum NUCLEAR REACTIONS 208Pb(p, p'), E=200 MeV; analyzed excitation energies to investigate fine structure.
doi: 10.1103/PhysRevC.77.024302
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
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
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
2006RO13 Phys.Rev. C 73, 037306 (2006) S.J.Q.Robinson, A.Escuderos, L.Zamick, P.von Neumann-Cosel, A.Richter, R.W.Fearick Shell-model test of the rotational-model relation between static quadrupole moments Q(2+1), B(E2)'s, and orbital M1 transitions NUCLEAR STRUCTURE 44,46,48Ti, 48,50Cr; calculated quadrupole moments, B(E2), B(M1). Comparison of shell model and collective model results.
doi: 10.1103/PhysRevC.73.037306
2006YA13 Eur.Phys.J. A 27, Supplement 1, 201 (2006) M.Yalcinkaya, E.Ganioglu, M.N.Erduran, B.Akkus, M.Bostan, G.Gurdal, S.Erturk, D.Balabanski, G.Rainovski, M.Danchev, R.Dragomirova, A.Minkova, K.Vyvey, R.Beetge, R.W.Fearick, G.K.Mabala, D.G.Roux, W.Whittaker, B.R.S.Babu, J.J.Lawrie, S.Naguleswaran, R.T.Newman, C.Rigolet, J.V.Pilcher, F.D.Smith, J.F.Sharpey-Schafer Study of fission fragments produced by 14N + 235U reaction NUCLEAR REACTIONS 235U(14N, F), E=10 MeV/nucleon; measured fission fragment mass distribution.
doi: 10.1140/epja/i2006-08-031-8
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
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
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
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
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
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
1995CA26 Nucl.Phys. A591, 349 (1995) J.Carter, Z.Z.Vilakazi, R.W.Fearick, V.Hnizdo, E.Muskat, K.W.Kemper, D.E.Trcka, S.P.Van Verst Elastic and Inelastic Scattering in the 6Li, 9Be + 12C Systems: Excitation of unbound excited states and cluster transfers NUCLEAR REACTIONS 12C(9Be, 9Be), (9Be, 9Be'), 9Be(12C, 12C), (12C, 12C'), E(cm)=3-16 MeV; 12C(6Li, 6Li), (6Li, 6Li'), E(cm)=2-16 MeV; measured σ(θ) vs E. 12C, 9Be, 6Li levels deduced deformation lengths. Finite-range DWBA, Woods-Saxon potential, double-folded real potential, coupled-channels calculations, compound-nucleus calculations, 3He-cluster transfers.
doi: 10.1016/0375-9474(95)00199-B
1995MU01 Nucl.Phys. A581, 42 (1995) E.Muskat, J.Carter, R.W.Fearick, V.Hnizdo Inelastic Scattering in the 6Li + 9Be System Leading to Unbound Excited States of Either Nucleus NUCLEAR REACTIONS 9Be(6Li, 6Li), (6Li, 6Li'), E(cm)=7, 10, 12 MeV; measured σ(θ) vs E. 9Be levels deduced deformation lengths. Coupled-channels, double-folded real potential. Compound-nucleus calculations, triton-cluster transfers, finite-range DWBA.
doi: 10.1016/0375-9474(94)00323-F
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
1994ZU05 Nucl.Phys. A575, 317 (1994) A.Zucchiatti, R.W.Fearick, J.P.F.Sellschop, D.G.Aschman, D.Steyn Proton Radiative Capture to 13N at Beam Energies of 40 to 54 MeV NUCLEAR REACTIONS, ICPND 12C(p, γ), E=40-54 MeV; measured capture σ(θ); deduced reaction mechanism, σ(E). Large volume NaI scintillator with plastic anticoinicidence shield.
doi: 10.1016/0375-9474(94)90192-9
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
1993MC06 Nucl.Instrum.Methods Phys.Res. A329, 217 (1993) W.R.McMurray, D.G.Aschman, K.Bharuth-Ram, R.W.Fearick The Faure Cylotron Neutron Source and a Particle Spectrometer for Neutron Induced Emission of Charged Particles at Energies between 60 and 200 MeV NUCLEAR REACTIONS 12C(n, p), (n, d), E=64 MeV; measured p-, d-spectra; deduced system particle identification capabilities. Faure cyclotron neutron source, particle spectrometer.
doi: 10.1016/0168-9002(93)90939-F
1983GO11 Phys.Rev.Lett. 51, 451 (1983) J.Gomez del Campo, D.Shapira, J.A.Biggerstaff, C.D.Moak, P.D.Miller, N.Neskovic, R.W.Fearick, J.P.F.Sellschop Measurements of Nuclear Deexcitation Times down to 10-19 sec using Crystal Blocking of 16O on Diamond NUCLEAR REACTIONS 12C(16O, X), E=120 MeV; measured evaporation residue yields vs θ; deduced evaporation residue deexcitation times. 12C(16O, 16O), E=80, 120 MeV; measured yield distributions; deduced smearing parameter. Blocking technique, thick diamond crystal. Monte-Carlo statistical model calculations.
doi: 10.1103/PhysRevLett.51.451
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