NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = A.Shevchenko Found 21 matches. 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
2008RY01 Phys.Rev.Lett. 100, 172501 (2008) N.Ryezayeva, H.Arenhovel, O.Burda, A.Byelikov, M.Chernykh, J.Enders, H.W.Griesshammer, Y.Kalmykov, P.von Neumann-Cosel, B.Ozel, I.Poltoratska, I.Pysmenetska, C.Rangacharyulu, S.Rathi, A.Richter, G.Schrieder, A.Shevchenko, O.Yevetska Measurement of the Reaction 2H(e, e') at 180 degrees Close to the Deuteron Breakup Threshold NUCLEAR REACTIONS 2H(e, e'), E=27.8, 74.0 MeV; measured inclusive elastic cross sections; deduced deuteron breakup cross sections.
doi: 10.1103/PhysRevLett.100.172501
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
2007BY02 Phys.Rev.Lett. 98, 082501 (2007) A.Byelikov, T.Adachi, H.Fujita, K.Fujita, Y.Fujita, K.Hatanaka, A.Heger, Y.Kalmykov, K.Kawase, K.Langanke, G.Martinez-Pinedo, K.Nakanishi, P.von Neumann-Cosel, R.Neveling, A.Richter, N.Sakamoto, Y.Sakemi, A.Shevchenko, Y.Shimbara, Y.Shimizu, F.D.Smit, Y.Tameshige, A.Tamii, S.E.Woosley, M.Yosoi Gamow-Teller Strength in the Exotic Odd-Odd Nuclei 138La and 180Ta and Its Relevance for Neutrino, Nucleosynthesis NUCLEAR REACTIONS 138Ba, 180Hf(3He, t), E=140 MeV/nucleon; measured particle spectra. 138La, 180Ta deduced Gamow-Teller strength distributions. Implications for stellar nucleosynthesis discussed.
doi: 10.1103/PhysRevLett.98.082501
2007HO13 Phys.Rev. C 76, 014314 (2007) F.Hofmann, C.Baumer, A.M.van den Berg, D.Frekers, V.M.Hannen, M.N.Harakeh, M.de Huu, Y.Kalmykov, P.von Neumann-Cosel, V.Yu.Ponomarev, S.Rakers, B.Reitz, A.Richter, K.Schweda, A.Shevchenko, J.Wambach, H.J.Wortche Proton scattering at intermediate energies on 58Ni: How well is it understood? NUCLEAR REACTIONS 58Ni(p, p'), E=172 MeV; measured cross sections, spin flip cross sections and spin-flip probabilities. Compared results to model calculations.
doi: 10.1103/PhysRevC.76.014314
2007KA46 Nucl.Phys. A788, 136c (2007) Y.Kalmykov, K.Langanke, G.Martinez-Pinedo, D.Mocelj, P.von Neumann-Cosel, I.Poltoratska, V.Yu.Ponomarev, A.Richter, A.Shevchenko, J.Wambach Spin- and Parity-Resolved Level Densities from High-Resolution Hadron and Electron Scattering Studies of Giant Resonances NUCLEAR REACTIONS 90Zr(3He, t), E=140 MeV/nucleon; 90Zr(e, e'), E=42.5, 66.4, 82.3 MeV; 90Zr(p, p'), E=200 MeV; analyzed excitation energy spectra. 90Zr, 90Nb deduced Gamow-Teller resonance and GQR energies and level densities. 58Ni(3He, t), (e, e'), (p, p'), E not given; analyzed excitation energy spectra. 58Ni, 58Cu deduced level densities. Discrete wavelet transform and fluctuation analysis, back-shifted Fermi gas and Hartree-Fock-BCS models.
doi: 10.1016/j.nuclphysa.2007.01.059
2007PO06 Phys.Rev. C 75, 054312 (2007) L.Popescu, C.Baumer, A.M.van den Berg, D.Frekers, D.De Frenne, Y.Fujita, E.W.Grewe, P.Haefner, M.N.Harakeh, M.Hunyadi, M.A.de Huu, E.Jacobs, H.Johansson, A.Korff, A.Negret, P.von Neumann-Cosel, S.Rakers, A.Richter, N.Ryezayeva, A.Shevchenko, H.Simon, H.J.Wortche Low-lying GT+ strength in 64Co studied via the 64Ni(d, 2He)64Co reaction NUCLEAR REACTIONS 64Ni(d, 2p), E=171 MeV; measured σ and angular distributions. Deduced GT strength to low lying states.
doi: 10.1103/PhysRevC.75.054312
2007RA11 Prog.Part.Nucl.Phys. 59, 358 (2007) S.Rathi, I.Pysmenetska, P.von Neumann-Cosel, A.Richter, G.Schrieder, A.Shevchenko Precise measurement of the proton charge radius at the S-DALINAC - a novel experimental method
doi: 10.1016/j.ppnp.2006.12.032
2006KA02 Phys.Rev.Lett. 96, 012502 (2006) Y.Kalmykov, T.Adachi, G.P.A.Berg, H.Fujita, K.Fujita, Y.Fujita, K.Hatanaka, J.Kamiya, K.Nakanishi, P.von Neumann-Cosel, V.Yu.Ponomarev, A.Richter, N.Sakamoto, Y.Sakemi, A.Shevchenko, Y.Shimbara, Y.Shimizu, F.D.Smit, T.Wakasa, J.Wambach, M.Yosoi Fine Structure of the Gamow-Teller Resonance in 90Nb and Level Density of 1+ States NUCLEAR REACTIONS 90Zr(3He, t), E=140 MeV/nucleon; measured triton spectra. 90Nb deduced level densities, fine structure of Gamow-Teller resonance. Wavelet analysis technique.
doi: 10.1103/PhysRevLett.96.012502
2006NE06 Phys.Rev.Lett. 97, 062502 (2006) A.Negret, T.Adachi, B.R.Barrett, C.Baumer, A.M.van den Berg, G.P.A.Berg, P.von Brentano, D.Frekers, D.De Frenne, H.Fujita, K.Fujita, Y.Fujita, E.-W.Grewe, P.Haefner, M.N.Harakeh, K.Hatanaka, K.Heyde, M.Hunyadi, E.Jacobs, Y.Kalmykov, A.Korff, K.Nakanishi, P.Navratil, P.von Neumann-Cosel, L.Popescu, S.Rakers, A.Richter, N.Ryezayeva, Y.Sakemi, A.Shevchenko, Y.Shimbara, Y.Shimizu, Y.Tameshige, A.Tamii, M.Uchida, J.Vary, H.J.Wortche, M.Yosoi, L.Zamick Gamow-Teller Strengths in the A = 14 Multiplet: A Challenge to the Shell Model NUCLEAR REACTIONS 14N(d, 2p), E=175 MeV; 14N(3He, t), E=420 MeV; measured excitation energy spectra, σ(E, θ); deduced Gamow-Teller strength distributions. Comparison with no-core shell model predictions.
doi: 10.1103/PhysRevLett.97.062502
2006RY03 Phys.Lett. B 639, 623 (2006) N.Ryezayeva, C.Baumer, A.M.van den Berg, L.V.Chulkov, D.Frekers, D.De Frenne, E.-W.Grewe, P.Haefner, E.Jacobs, H.Johanson, Y.Kalmykov, A.Negret, P.von Neumann-Cosel, L.Popescu, S.Rakers, A.Richter, G.Schrieder, A.Shevchenko, H.Simon, H.J.Wortche Search for a low-energy resonance in 7He with the 7Li(d, 2He) reaction NUCLEAR REACTIONS 6,7Li(d, 2p), E=171 MeV; analysed σ(θ, E'); deduced B(GT). DWBA analysis.
doi: 10.1016/j.physletb.2006.06.081
2005BA88 J.Phys.(London) G31, S1747 (2005) R.A.Bark, M.Lipoglavsek, S.M.Maliage, S.S.Ntshangase, A.Shevchenko Aspects of nuclear physics research at iThemba LABS, South Africa NUCLEAR REACTIONS 208Pb(p, γ), E=11.9 MeV; measured Eγ, Iγ. 147Sm(16O, 3n), E=73 MeV; measured Eγ, Iγ, γγ-coin. 160Yb deduced high-spin levels, J, π. Afrodite array.
doi: 10.1088/0954-3899/31/10/066
2005HO10 Phys.Lett. B 612, 165 (2005) F.Hofmann, C.Baumer, A.M.van den Berg, D.Frekers, V.M.Hannen, M.N.Harakeh, M.A.de Huu, Y.Kalmykov, P.von Neumann-Cosel, V.Yu.Ponomarev, S.Rakers, B.Reitz, A.Richter, A.Shevchenko, K.Schweda, J.Wambach, H.J.Wortche Polarized proton scattering on 58Ni at small momentum transfer: A test of the microscopic optical model and effective interactions NUCLEAR REACTIONS 58Ni(polarized p, p'), (polarized p, p), E=172 MeV; measured elastic and inelastic σ(E, θ), analyzing powers. Comparison with model predictions.
doi: 10.1016/j.physletb.2005.03.020
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
2002RY06 Phys.Rev.Lett. 89, 272502 (2002) N.Ryezayeva, T.Hartmann, Y.Kalmykov, H.Lenske, P.von Neumann-Cosel, V.Yu.Ponomarev, A.Richter, A.Shevchenko, S.Volz, J.Wambach Nature of Low-Energy Dipole Strength in Nuclei: The Case of a Resonance at Particle Threshold in 208Pb NUCLEAR REACTIONS 208Pb(γ, γ'), E=9.0 MeV bremsstrahlung; measured Eγ, Iγ. 208Pb deduced transitions, B(E1) strength distribution, resonance features. Quasiparticle phonon model calculations.
doi: 10.1103/PhysRevLett.89.272502
2002VO08 Phys.Rev.Lett. 88, 202304 (2002) P.von Neumann-Cosel, A.Richter, G.Schrieder, A.Shevchenko, A.Stiller, H.Arenhovel Deuteron Breakup in the 2H(e, e'p) Reaction at Low Momentum Transfer and Close to Threshold NUCLEAR REACTIONS 2H(e, e'p), E=50, 85 MeV; measured electron and proton spectra, σ(θ(e), θ(p)), longitudinal-transverse sum and interference σ. Comparison with model predictions.
doi: 10.1103/PhysRevLett.88.202304
1979BE60 Pisma Zh.Eksp.Teor.Fiz. 30, 130 (1979); JETP Lett. (USSR) 30, 323 (1979) G.G.Beznogikh, N.K.Zhidkov, L.F.Kirillova, V.A.Nikitin, P.V.Nomokonov, V.V.Avdeichikov, Yu.A.Murin, V.S.Oplavin, V.D.Maisyukov, Yu.V.Maslennikov, A.P.Shevchenko, A.Buyak, M.Shavlovski Search for the 10He Isotope in the Fragmentation Reaction of a 232Th Target Nucleus NUCLEAR REACTIONS 232Th(d, X), E at 4.8 GeV/c; measured energy spectra for 6,7Li, 4,6,8,10He; deduced upper limit for 10He production σ.
1979SK06 Zh.Eksp.Teor.Fiz. 77, 2313 (1979); JETP (USSR) 50, 1113 (1979) A.V.Skripov, A.P.Stepanov, V.A.Marchenko, V.M.Pan, A.D.Shevchenko Nuclear Magnetic Resonance of 51V in a V3Si Single Crystal Above and Below the Structural Transition Temperature NUCLEAR MOMENTS 50V; measured quadrupole interaction, Knight shift, spin-spin relaxation times vs T; deduced hfs. NMR technique, V3Si crystal.
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