NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = G.Cooper Found 13 matches. 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
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
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
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
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
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
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
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
1999CO31 Nucl.Phys. A661, 362c (1999) G.E.Cooper, for the NA49 Collaboration Stopping: From peripheral to central nuclear collisions at the SPS NUCLEAR REACTIONS Pb(p, X), (Pb, X), E=high; analyzed net proton rapidity distributions; deduced centrality dependence, baryon stopping features.
doi: 10.1016/S0375-9474(99)85041-6
1997BI14 Nucl.Instrum.Methods Phys.Res. A385, 535 (1997) F.Bieser, G.Cooper, W.Cwienk, V.Eckardt, H.Fessler, H.G.Fischer, F.Gabler, E.Gornicki, W.E.Hearn, W.Heupke, D.Irmscher, P.Jacobs, S.Kleinfelder, V.Lindenstruth, B.Machowski, K.Marks, O.Milgrome, A.Mock, T.Noggle, W.Pimpl, A.M.Poskanzer, W.Rauch, R.Renfordt, H.G.Ritter, D.Rohrich, H.Rudolph, G.W.Ruschmann, E.Schafer, P.Seyboth, J.Seyerlein, R.Stock, K.Sulimma, M.Toy, C.Vu, S.Wenig, H.Wieman, M.E.Wright Design and Performance of TPC Readout Electronics for the NA49 Experiment
doi: 10.1016/S0168-9002(96)01029-7
1995AL20 Phys.Rev.Lett. 75, 3814 (1995) T.Alber, H.Appelshauser, J.Bachler, J.Bartke, H.Bialkowska, F.Bieser, M.A.Bloomer, C.O.Blyth, R.Bock, C.Bormann, F.P.Brady, R.Brockmann, P.Buncic, H.L.Caines, D.Cebra, P.Chan, G.E.Cooper, J.G.Cramer, P.B.Cramer, P.Csato, I.Derado, J.Dunn, V.Eckardt, F.Eckhardt, S.Euler, M.I.Ferguson, H.G.Fischer, Z.Fodor, P.Foka, P.Freund, M.Fuchs, J.Gal, M.Gazdzicki, E.Gladysz, J.Grebieszkow, J.Gunther, J.W.Harris, W.Heck, S.Hegyi, L.A.Hill, I.Huang, M.A.Howe, G.Igo, D.Irmscher, J.Jacobs, P.G.Jones, K.Kadija, J.Kecskemeti, M.Kowalski, A.Kuhmichel, B.Lasiuk, S.Margetis, J.W.Mitchell, A.Mock, J.M.Nelson, G.Odyniec, J.Palinkas, G.Palla, A.D.Panagiotou, A.Petridis, A.Piper, A.M.Poskanzer, D.J.Prindle, F.Puhlhofer, W.Rauch, R.Renfordt, W.Retyk, H.G.Ritter, D.Rohrich, H.Rudolph, K.Runge, A.Sandoval, H.Sann, E.Schafer, N.Schmitz, S.Schonfelder, P.Seyboth, J.Seyerlein, F.Sikler, E.Skrzypczak, R.Stock, H.Strobele, I.Szentpetery, J.Sziklai, M.Toy, T.A.Trainor, S.Trentalange, M.Vassiliou, G.Vesztergombi, D.Vranic, S.Wenig, C.Whitten, T.Wienold, L.Wood, J.Zimanyi, X.-Z.Zhu, R.Zybert Transverse Energy Production in 208Pb + Pb Collisions at 158 GeV per Nucleon NUCLEAR REACTIONS Pb(208Pb, X), E=158 GeV/nucleon; measured forward, transverse energy related features.
doi: 10.1103/PhysRevLett.75.3814
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