NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = A.Richter Found 409 matches. Showing 1 to 100. [Next]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
2023WA24 Eur.Phys.J. A 59, 154 (2023) F.Wamers, C.Lehr, J.Marganiec-Galazka, F.Aksouh, Yu.Aksyutina, H.Alvarez-Pol, L.Atar, T.Aumann, S.Beceiro Novo, C.A.Bertulani, K.Boretzky, M.J.G.Borge, C.Caesar, M.Chartier, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, P.Diaz Fernandez, H.Emling, O.Ershova, L.M.Fraile, H.O.U.Fynbo, D.Galaviz, H.Geissel, M.Heil, M.Holl, H.T.Johansson, B.Jonson, C.Karagiannis, O.A.Kiselev, J.V.Kratz, R.Kulessa, N.Kurz, C.Langer, M.Lantz, T.Le Bleis, R.Lemmon, Yu.A.Litvinov, K.Mahata, C.Muntz, T.Nilsson, C.Nociforo, W.Ott, V.Panin, S.Paschalis, A.Perea, R.Plag, R.Reifarth, A.Richter, K.Riisager, C.Rodriguez-Tajes, D.Rossi, D.Savran, H.Scheit, G.Schrieder, P.Schrock, H.Simon, J.Stroth, K.Summerer, O.Tengblad, H.Weick, C.Wimmer Diverse mechanisms in proton knockout reactions from the Borromean nucleus 17Ne NUCLEAR REACTIONS 1H, 12C(17Ne, 2p), (17Ne, 16F), E=500 MeV/nucleon; analyzed available data. 17Ne, 16F; deduced σ(E), resonance parameters, spectroscopic factors. The SIS-18 synchrotron at GSI.
doi: 10.1140/epja/s10050-023-01063-y
2022CA19 Phys.Lett. B 833, 137374 (2022) J.Carter, L.M.Donaldson, H.Fujita, Y.Fujita, M.Jingo, C.O.Kureba, M.B.Latif, E.Litvinova, F.Nemulodi, P.von Neumann-Cosel, R.Neveling, P.Papakonstantinou, P.Papka, L.Pellegri, V.Yu.Ponomarev, A.Richter, R.Roth, E.Sideras-Haddad, F.D.Smit, J.A.Swartz, A.Tamii, R.Trippel, I.T.Usman, H.Wibowo Damping of the isovector giant dipole resonance in 40, 48Ca NUCLEAR REACTIONS 40,48Ca(p, p'), E=200 MeV; measured reaction products; deduced σ(θ, E), Coulomb σ, contributions from the IsoScalar Giant Monopole Resonance (ISGMR) and the ISGQR lying under the IsoVector Giant Dipole Resonance (IVGDR). Comparison with calculations in the framework of RPA and beyond-RPA in a relativistic approach based on an effective meson-exchange interaction, with the UCOM effective interaction. The Separated Sector Cyclotron (SSC) at the iThemba Laboratory for Accelerator Based Sciences (iThemba LABS), Cape Town, South Africa.
doi: 10.1016/j.physletb.2022.137374
2022LE02 Phys.Lett. B 827, 136957 (2022) C.Lehr, F.Wamers, F.Aksouh, Yu.Aksyutina, H.Alvarez-Pol, L.Atar, T.Aumann, S.Beceiro Novo, C.A.Bertulani, K.Boretzky, M.J.G.Borge, C.Caesar, M.Chartier, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, P.Diaz Fernandez, H.Emling, O.Ershova, L.M.Fraile, H.O.U.Fynbo, D.Galaviz, H.Geissel, M.Heil, M.Heine, D.H.H.Hoffmann, M.Holl, H.T.Johansson, B.Jonson, C.Karagiannis, O.A.Kiselev, J.V.Kratz, R.Kulessa, N.Kurz, C.Langer, M.Lantz, T.Le Bleis, R.Lemmon, Yu.A.Litvinov, B.Loher, K.Mahata, J.Marganiec-Galazka, C.Muntz, T.Nilsson, C.Nociforo, W.Ott, V.Panin, S.Paschalis, A.Perea, R.Plag, R.Reifarth, A.Richter, K.Riisager, C.Rodriguez-Tajes, D.Rossi, D.Savran, H.Scheit, G.Schrieder, P.Schrock, H.Simon, J.Stroth, K.Summerer, O.Tengblad, H.Weick, C.Wimmer Unveiling the two-proton halo character of 17Ne: Exclusive measurement of quasi-free proton-knockout reactions NUCLEAR REACTIONS 1H(17Ne, 2p), E=498 MeV/nucleon; measured reaction products. 17Ne; deduced σ(E), energy levels, two-proton halo. The GSI synchrotron SIS18.
doi: 10.1016/j.physletb.2022.136957
2022MA47 Phys.Rev. C 106, 034322 (2022); Erratum Phys.Rev. C 109, 019901 (2024) M.Markova, A.C.Larsen, P.von Neumann-Cosel, S.Bassauer, A.Gorgen, M.Guttormsen, F.L.Bello Garrote, H.C.Berg, M.M.Bjoroen, T.K.Eriksen, D.Gjestvang, J.Isaak, M.Mbabane, W.Paulsen, L.G.Pedersen, N.I.J.Pettersen, A.Richter, E.Sahin, P.Scholz, S.Siem, G.M.Tveten, V.M.Valsdottir, M.Wiedeking Nuclear level densities and γ-ray strength functions in 120, 124Sn isotopes: Impact of Porter-Thomas fluctuations NUCLEAR REACTIONS 120,124Sn(p, p'γ), E=16 MeV; measured Eγ, Iγ, E(p), pγ-coin, E-ΔE distributions using an array of 64 ΔE-E particle telescopes, and OSCAR array of 30 LaBr3(Ce) scintillators for γ detection at the Oslo Cyclotron Laboratory. 120,124Sn; deduced γ strength functions as function of Eγ, (γSF(Eγ)) and nuclear level densities (NLD) using the OSLO method and shape methods, magnitude of the Porter-Thomas (PT) fluctuations. 120,122,124Sn; deduced 0+ states, and first 2+ state in 124Sn. Comparison of nuclear level densities for J=1 states with the constant temperature (CT) model, back-shifted Fermi gas model (BSFG) model calculations, and predictions of the microscopic Hartree-Fock-BCS method, and with previous experimental results. Systematics of average total radiative widths and nuclear level densities (NLD) for 113,114,115,116,117,118,119,120,121,123,124Sn.
doi: 10.1103/PhysRevC.106.034322
2021MA65 Phys.Rev.Lett. 127, 182501 (2021) M.Markova, P.von Neumann-Cosel, A.C.Larsen, S.Bassauer, A.Gorgen, M.Guttormsen, F.L.Bello Garrote, H.C.Berg, M.M.Bjoroen, T.Dahl-Jacobsen, T.K.Eriksen, D.Gjestvang, J.Isaak, M.Mbabane, W.Paulsen, L.G.Pedersen, N.I.J.Pettersen, A.Richter, E.Sahin, P.Scholz, S.Siem, G.M.Tveten, V.M.Valsdottir, M.Wiedeking, F.Zeiser Comprehensive Test of the Brink-Axel Hypothesis in the Energy Region of the Pygmy Dipole Resonance NUCLEAR REACTIONS 117Sn(3He, α), E=38 MeV; 120,124Sn(p, p'), E=16 MeV; measured reaction products, Eα, Iα, Ep, Ip, Eγ, Iγ; deduced γ-ray strength functions (GSFs). Oslo method.
doi: 10.1103/PhysRevLett.127.182501
2020BA47 Phys.Rev. C 102, 034327 (2020) S.Bassauer, P.von Neumann-Cosel, P.-G.Reinhard, A.Tamii, S.Adachi, C.A.Bertulani, P.Y.Chan, A.D'Alessio, H.Fujioka, H.Fujita, Y.Fujita, G.Gey, M.Hilcker, T.H.Hoang, A.Inoue, J.Isaak, C.Iwamoto, T.Klaus, N.Kobayashi, Y.Maeda, M.Matsuda, N.Nakatsuka, S.Noji, H.J.Ong, I.Ou, N.Pietralla, V.Yu.Ponomarev, M.S.Reen, A.Richter, M.Singer, G.Steinhilber, T.Sudo, Y.Togano, M.Tsumura, Y.Watanabe, V.Werner Electric and magnetic dipole strength in 112, 114, 116, 118, 120, 124Sn NUCLEAR REACTIONS 112,114,116,118,120,124Sn(p, p'), E=295 MeV; measured E(p), I(p), particle spectra through identification via the correlation of energy loss and time of flight (ToF), double differential σ(θ, E(exc)) using Grand Raiden spectrometer at RCNP accelerator facility; deduced photoabsorption cross sections due to E1 and M1 excitations from multipole decomposition analysis (MDA) after subtraction of the ISGMR and ISGQR contributions, σ, energy and width of isovector giant dipole resonance (IVGDR), B(E1) and B(M1) strengths in the excitation energy range of 6-20 MeV, dipole polarizability. Comparison with previous experimental results from (γ, xn) and (γ, γ') experiments.
doi: 10.1103/PhysRevC.102.034327
2020BA50 Phys.Lett. B 810, 135804 (2020) S.Bassauer, P.von Neumann-Cosel, P.-G.Reinhard, A.Tamii, S.Adachi, C.A.Bertulani, P.Y.Chan, G.Colo, A.D'Alessio, H.Fujioka, H.Fujita, Y.Fujita, G.Gey, M.Hilcker, T.H.Hoang, A.Inoue, J.Isaak, C.Iwamoto, T.Klaus, N.Kobayashi, Y.Maeda, M.Matsuda, N.Nakatsuka, S.Noji, H.J.Ong, I.Ou, N.Paar, N.Pietralla, V.Yu.Ponomarev, M.S.Reen, A.Richter, X.Roca-Maza, M.Singer, G.Steinhilber, T.Sudo, Y.Togano, M.Tsumura, Y.Watanabe, V.Werner Evolution of the dipole polarizability in the stable tin isotope chain NUCLEAR REACTIONS 112,114,116,118,120,124Sn(p, p'), E=295 MeV; 116Sn(γ, X), E<30 MeV; measured reaction products, Ep, Ip; deduced σ(θ, E), σ, total dipole polarizability. Comparison with available data.
doi: 10.1016/j.physletb.2020.135804
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
2019PO09 Eur.Phys.J. A 55, 236 (2019) V.Yu.Ponomarev, D.H.Jakubassa-Amundsen, A.Richter, J.Wambach Excitation of the electric pygmy dipole resonance by inelastic electron scattering
doi: 10.1140/epja/i2019-12784-4
2019VO14 Eur.Phys.J. A 55, 224 (2019) P.von Neumann-Cosel, V.Yu.Ponomarev, A.Richter, J.Wambach Gross, intermediate and fine structure of nuclear giant resonances: Evidence for doorway states
doi: 10.1140/epja/i2019-12795-1
2018DI14 Phys.Rev. C 98, 054314 (2018) B.Dietz, B.A.Brown, U.Gayer, N.Pietralla, V.Yu.Ponomarev, A.Richter, P.C.Ries, V.Werner Chaos and regularity in the spectra of the low-lying dipole excitations of 50, 52, 54Cr NUCLEAR STRUCTURE 50,52,54Cr; analyzed experimental B(M1) strengths for 1+ states from orbital magnetic-dipole scissors mode, and sizable spin-flip magnetic-dipole strength, and experimental B(E1) strengths for 1- states belonging to the pygmy dipole resonances (PDRs) through random matrix theory (RMT) to analyze fluctuation properties in the subspectra of the energy levels; deduced Gaussian orthogonal ensemble (GOE) for 1+ states, and nearly Poissonian behavior for the 1- states, suggesting collective behavior of the PDRs. Relevance to nuclear resonance fluorescence experiments at the Superconducting Darmstadt Electron Linear Accelerator (S-DALINAC), and the high intensity γ-ray source (HIγS) of the Triangle Universities Nuclear Laboratory (TUNL).
doi: 10.1103/PhysRevC.98.054314
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
2018WA07 Phys.Rev. C 97, 034612 (2018) F.Wamers, J.Marganiec, F.Aksouh, Yu.Aksyutina, H.Alvarez-Pol, T.Aumann, S.Beceiro Novo, C.A.Bertulani, K.Boretzky, M.J.G.Borge, M.Chartier, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, H.Emling, O.Ershova, L.M.Fraile, H.O.U.Fynbo, D.Galaviz, H.Geissel, M.Heil, D.H.H.Hoffmann, J.Hoffman, H.T.Johansson, B.Jonson, C.Karagiannis, O.A.Kiselev, J.V.Kratz, R.Kulessa, N.Kurz, C.Langer, M.Lantz, T.Le Bleis, C.Lehr, R.Lemmon, Yu.A.Litvinov, K.Mahata, C.Muntz, T.Nilsson, C.Nociforo, W.Ott, V.Panin, S.Paschalis, A.Perea, R.Plag, R.Reifarth, A.Richter, K.Riisager, C.Rodriguez-Tajes, D.Rossi, D.Savran, G.Schrieder, H.Simon, J.Stroth, K.Summerer, O.Tengblad, S.Typel, H.Weick, M.Wiescher, C.Wimmer Comparison of electromagnetic and nuclear dissociation of 17Ne NUCLEAR REACTIONS H, C, Pb(17Ne, p15O), (17Ne, p14O), (17Ne, 2p15O), (17Ne, 2p14O), E=500 MeV/nucleon; measured reaction products, mass spectra of 13O, 14O and 15O isotopes, (14O)p-, (14O)2p-, (15O)p-, (15O)2p-coin using lead, carbon, and polyethylene targets and ALADIN-R3B setup at GSI; deduced transverse momentum distributions of 14O and 15O, relative energy spectra, inclusive σ, σ(1p) and σ(2p) for fragmentation of 17Ne in 14O and 15o for different targets, electromagnetic dissociation (EMD) cross sections. Electromagnetic and nuclear dissociations. One-proton knockout, and three body 15O+2p correlations. Comparison of measured cross sections and energy spectra with calculations using three-body 15O+2p model, and Hartree-Bogoliubov theory. Relevance to 15O(2p, γ)17Ne capture reaction in astrophysical rp-process.
doi: 10.1103/PhysRevC.97.034612
2017BE10 Phys.Rev.Lett. 118, 212502 (2017) T.Beck, J.Beller, N.Pietralla, M.Bhike, J.Birkhan, V.Derya, U.Gayer, A.Hennig, J.Isaak, B.Loher, V.Yu.Ponomarev, A.Richter, C.Romig, D.Savran, M.Scheck, W.Tornow, V.Werner, A.Zilges, M.Zweidinger E2 decay strength of the M1 scissors mode of 156Gd and its first excited rotational state NUCLEAR REACTIONS 156Gd(γ, γ'), E=3.07 MeV; measured reaction products, Eγ, Iγ; deduced relative intensities for transitions, B(M1), B(E2), multipole mixing ratio of the decay transition from the scissors mode to the 2+1 state in a deformed nucleus.
doi: 10.1103/PhysRevLett.118.212502
2017BI09 Phys.Rev.Lett. 118, 252501 (2017) J.Birkhan, M.Miorelli, S.Bacca, S.Bassauer, C.A.Bertulani, G.Hagen, H.Matsubara, P.von Neumann-Cosel, T.Papenbrock, N.Pietralla, V.Yu.Ponomarev, A.Richter, A.Schwenk, A.Tamii Electric Dipole Polarizability of 48Ca and Implications for the Neutron Skin NUCLEAR REACTIONS 48Ca(p, p'), E=295 MeV; 48Ca(γ, X), E<25 MeV; measured reaction products; deduced σ, electric dipole polarizability, B(E1).
doi: 10.1103/PhysRevLett.118.252501
2017DI01 Phys.Rev.Lett. 118, 012501 (2017) B.Dietz, A.Heusler, K.H.Maier, A.Richter, B.A.Brown Chaos and Regularity in the Doubly Magic Nucleus 208Pb NUCLEAR STRUCTURE 208Pb; calculated energy levels for negative and positive parity states. Two-body Michigan-three-Yukawa (M3Y) interaction on a one-boson exchange potential with short-range components determined with the help of the Reid nucleon-nucleon potential.
doi: 10.1103/physrevlett.118.012501
2017MA28 Phys.Rev. C 95, 054316 (2017) M.Mathy, J.Birkhan, H.Matsubara, P.von Neumann-Cosel, N.Pietralla, V.Yu.Ponomarev, A.Richter, A.Tamii Search for weak M1 transitions in 48Ca with inelastic proton scattering NUCLEAR REACTIONS 48Ca(p, p'), E=295 MeV; measured Ep, Ip, σ(θ) using Grand Raiden spectrometer at RCNP-Osaka. Multipole decomposition analysis (MDA) of experimental data. 48Ca; deduced levels, J, π, B(M1), quenching factors of GT and spin-M1 strength in fp-shell nuclei, negligible role of meson-exchange currents. Comparison with previous experimental (e, e'), and evaluated data.
doi: 10.1103/PhysRevC.95.054316
2017MA67 Phys.Rev.Lett. 119, 182503 (2017) D.Martin, P.von Neumann-Cosel, A.Tamii, N.Aoi, S.Bassauer, C.A.Bertulani, J.Carter, L.Donaldson, H.Fujita, Y.Fujita, T.Hashimoto, K.Hatanaka, T.Ito, A.Krugmann, B.Liu, Y.Maeda, K.Miki, R.Neveling, N.Pietralla, I.Poltoratska, V.Yu.Ponomarev, A.Richter, T.Shima, T.Yamamoto, M.Zweidinger Test of the Brink-Axel Hypothesis for the Pygmy Dipole Resonance NUCLEAR REACTIONS 96Mo(polarized p, p'), E=295 MeV; measured reaction products, Ep, Ip; deduced σ(θ), σ(θ, E), gamma strength functions.
doi: 10.1103/PhysRevLett.119.182503
2016BI05 Phys.Rev. C 93, 041302 (2016) J.Birkhan, H.Matsubara, P.von Neumann-Cosel, N.Pietralla, V.Yu.Ponomarev, A.Richter, A.Tamii, J.Wambach Electromagnetic M1 transition strengths from inelastic proton scattering: The cases of 48Ca and 208Pb NUCLEAR REACTIONS 48Ca(p, p'), E=295 MeV; analyzed σ(θ) for dominating peak at 10.23 MeV ascribed to isovector spin-flip M1 (IVSM1) resonance; deduced B(M1) using a method based on isospin symmetry. Comparison with B(M1) deduced from (p, p') at 201 MeV, (p, n) at 295 MeV, (e, e') and (γ, n) data. 208Pb(p, p'), (n, n'γ), (polarized γ, γ'); analyzed B(M1) strengths in 6.5-9 MeV excitation region. Quenching phenomenon of the spin-isospin response. Method for extracting systematic information on the IVSM1 resonances in heavy nuclei.
doi: 10.1103/PhysRevC.93.041302
2016MA42 Phys.Lett. B 759, 200 (2016) J.Marganiec, F.Wamers, F.Aksouh, Yu.Aksyutina, H.Alvarez-Pol, T.Aumann, S.Beceiro Novo, C.A.Bertulani, K.Boretzky, M.J.G.Borge, M.Chartier, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, H.Emling, O.Ershova, L.M.Fraile, H.O.U.Fynbo, D.Galaviz, H.Geissel, M.Heil, D.H.H.Hoffmann, J.Hoffmann, H.T.Johansson, B.Jonson, C.Karagiannis, O.A.Kiselev, J.V.Kratz, R.Kulessa, N.Kurz, C.Langer, M.Lantz, T.Le Bleis, R.Lemmon, Yu.A.Litvinov, K.Mahata, C.Muntz, T.Nilsson, C.Nociforo, G.Nyman, W.Ott, V.Panin, S.Paschalis, A.Perea, R.Plag, R.Reifarth, A.Richter, C.Rodriguez-Tajes, D.Rossi, K.Riisager, D.Savran, G.Schrieder, H.Simon, J.Stroth, K.Summerer, O.Tengblad, S.Typel, H.Weick, M.Wiescher, C.Wimmer Coulomb and nuclear excitations of narrow resonances in 17Ne NUCLEAR REACTIONS H, C, Pb(17Ne, 2p), E=500 MeV/nucleon; measured reaction products, Ep, Ip. 17Ne; deduced σ(E), excitation energies and σ for resolved resonances in 17Ne, B(E2). Comparison with available data.
doi: 10.1016/j.physletb.2016.05.073
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
2015HA21 Phys.Rev. C 92, 031305 (2015) T.Hashimoto, A.M.Krumbholz, P.-G.Reinhard, A.Tamii, P.von Neumann-Cosel, T.Adachi, N.Aoi, C.A.Bertulani, H.Fujita, Y.Fujita, E.Ganioglu, K.Hatanaka, E.Ideguchi, C.Iwamoto, T.Kawabata, N.T.Khai, A.Krugmann, D.Martin, H.Matsubara, K.Miki, R.Neveling, H.Okamura, H.J.Ong, I.Poltoratska, V.Yu.Ponomarev, A.Richter, H.Sakaguchi, Y.Shimbara, Y.Shimizu, J.Simonis, F.D.Smit, G.Susoy, T.Suzuki, J.H.Thies, M.Yosoi, J.Zenihiro Dipole polarizability of 120Sn and nuclear energy density functionals NUCLEAR REACTIONS 120Sn(polarized p, p'), E=295 MeV; measured scattered proton spectra, p(θ) using Grand Raiden spectrometer at RCNP-Osaka; analyzed polarization transfer observables; deduced ISGQR excitation, B(E1), precise electric dipole polarizability αD, nuclear symmetry energy and its density dependence. Comparison with other experimental data. Comparison with model calculations based on Skyrme interactions and on relativistic Hamiltonians.
doi: 10.1103/PhysRevC.92.031305
2015KR05 Phys.Lett. B 744, 7 (2015) A.M.Krumbholz, P.von Neumann-Cosel, T.Hashimoto, A.Tamii, T.Adachi, C.A.Bertulani, H.Fujita, Y.Fujita, E.Ganioglu, K.Hatanaka, C.Iwamoto, T.Kawabata, N.T.Khai, A.Krugmann, D.Martin, H.Matsubara, R.Neveling, H.Okamura, H.J.Ong, I.Poltoratska, V.Yu.Ponomarev, A.Richter, H.Sakaguchi, Y.Shimbara, Y.Shimizu, J.Simonis, F.D.Smit, G.Susoy, J.H.Thies, T.Suzuki, M.Yosoi, J.Zenihiro Low-energy electric dipole response in 120Sn NUCLEAR REACTIONS 120Sn(p, p'), E=295 MeV; measured reaction products, Ep, Ip; deduced σ, σ(θ, E), B(E1). Comparison with available data.
doi: 10.1016/j.physletb.2015.03.023
2015MA09 Eur.Phys.J. A 51, 9 (2015) J.Marganiec, F.Wamers, F.Aksouh, Yu.Aksyutina, H.Alvarez-Pol, T.Aumann, S.Beceiro Novo, K.Boretzky, M.J.G.Borge, M.Chartier, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, H.Emling, O.Ershova, L.M.Fraile, H.O.U.Fynbo, D.Galaviz, H.Geissel, M.Heil, D.H.H.Hoffmann, J.Hoffmann, H.T.Johansson, B.Jonson, C.Karagiannis, O.A.Kiselev, J.V.Kratz, R.Kulessa, N.Kurz, C.Langer, M.Lantz, T.Le Bleis, R.Lemmon, Yu.A.Litvinov, K.Mahata, C.Muntz, T.Nilsson, C.Nociforo, G.Nyman, W.Ott, V.Panin, S.Paschalis, A.Perea, R.Plag, R.Reifarth, A.Richter, C.Rodriguez-Tajes, D.Rossi, K.Riisager, D.Savran, G.Schrieder, H.Simon, J.Stroth, K.Summerer, O.Tengblad, H.Weick, M.Wiescher, C.Wimmer, M.V.Zhukov Studies of continuum states in 16Ne using three-body correlation techniques NUCLEAR REACTIONS C(17Ne, n16Ne), E≈500 MeV/nucleon; measured reaction products using Si-strip detectors and separation by magnetic field of ALADIN magnet. 16N deduced resonance energies, widths of different channels, relative energy spectrum of the channels, levels, J, π, two- and three-body correlations.
doi: 10.1140/epja/i2015-15009-0
2015MA48 Phys.Rev.Lett. 115, 102501 (2015) H.Matsubara, A.Tamii, H.Nakada, T.Adachi, J.Carter, M.Dozono, H.Fujita, K.Fujita, Y.Fujita, K.Hatanaka, W.Horiuchi, M.Itoh, T.Kawabata, S.Kuroita, Y.Maeda, P.Navratil, P.von Neumann-Cosel, R.Neveling, H.Okamura, L.Popescu, I.Poltoratska, A.Richter, B.Rubio, H.Sakaguchi, S.Sakaguchi, Y.Sakemi, Y.Sasamoto, Y.Shimbara, Y.Shimizu, F.D.Smit, K.Suda, Y.Tameshige, H.Tokieda, Y.Yamada, M.Yosoi, J.Zenihiro Nonquenched Isoscalar Spin-M1 Excitations in sd-Shell Nuclei NUCLEAR REACTIONS 24Mg, 28Si, 32S, 36Ar(p, p'), E=295 MeV; measured reaction products, Ep, Ip; deduced σ(θ), σ(θ, E), the squared spin M1 nuclear transition matrix elements, no quenching for isoscalar spin M1 transitions, while the matrix elements for isovector spin M1 transitions are quenched by an amount comparable with the analogous Gamow-Teller transitions on those target nuclei. Comparison with no-core shell model (NCSM) calculations.
doi: 10.1103/PhysRevLett.115.102501
2014BE05 Phys.Rev. C 89, 024314 (2014) W.Bentz, A.Arima, A.Richter, J.Wambach Analytic approach to nuclear rotational states and the role of spin: A minimal model
doi: 10.1103/PhysRevC.89.024314
2014EF01 Phys.Rev. C 89, 027301 (2014) V.D.Efros, P.von Neumann-Cosel, A.Richter Properties of the first excited state of 9Be derived from (γ, n) and (e, e') reactions NUCLEAR REACTIONS 9Be(e, e'), E not given; 9Be(γ, n), E<2.21 MeV; deduced level energy and width of the first excited state in 9Be, B(E1) strength of decay of near-threshold 1/2+ resonance to ground state. R-matrix approach.
doi: 10.1103/PhysRevC.89.027301
2014MA26 Acta Phys.Pol. B45, 229 (2014) J.Marganiec, F.Wamers, F.Aksouh, Y.Aksyutina, H.Alvarez-Pol, T.Aumann, S.Beceiro, C.Bertulani, K.Boretzky, M.J.G.Borge, M.Chartier, A.Chatillon, L.Chulkov, D.Cortina-Gil, I.Egorova, H.Emling, O.Ershova, C.Forssen, L.M.Fraile, H.Fynbo, D.Galaviz, H.Geissel, L.Grigorenko, M.Heil, D.H.H.Hoffmann, J.Hoffmann, H.Johansson, B.Jonson, M.Karakoc, C.Karagiannis, O.Kiselev, J.V.Kratz, R.Kulessa, N.Kurz, C.Langer, M.Lantz, K.Larsson, T.Le Bleis, R.Lemmon, Yu.A.Litvinov, K.Mahata, C.Muntz, T.Nilsson, C.Nociforo, G.Nyman, W.Ott, V.Panin, Yu.Parfenova, S.Paschalis, A.Perea, R.Plag, R.Reifarth, A.Richter, K.Riisager, C.Rodriguez-Tajes, D.Rossi, G.Schrieder, N.Shulgina, H.Simon, J.Stroth, K.Summerer, J.Taylor, O.Tengblad, E.Tengborn, H.Weick, M.Wiescher, C.Wimmer, M.Zhukov Study of the 15O(2p, γ)17Ne Cross Section by Coulomb Dissociation of 17Ne for the rp Process of Nucleosynthesis NUCLEAR REACTIONS Pb(17Ne, 2p)15O, E=500 MeV/nucleon; measured reaction products, Eγ, Iγ, Ep, Ip; deduced σ, σ(E), resonances. Comparison with theoretical calculations, R3BROOT package.
doi: 10.5506/APhysPolB.45.229
2014OZ03 Phys.Rev. C 90, 024304 (2014) B.Ozel-Tashenov, J.Enders, H.Lenske, A.M.Krumbholz, E.Litvinova, P.von Neumann-Cosel, I.Poltoratska, A.Richter, G.Rusev, D.Savran, N.Tsoneva Low-energy dipole strength in 112, 120Sn NUCLEAR REACTIONS 112Sn(γ, γ'), E(endpoint)=5.5, 7.5, 9.5 MeV bremsstrahlung; 120Sn(γ, γ'), E(endpoint)=7.5, 9.1 MeV bremsstrahlung; measured Eγ, Iγ, γ(θ) using S-DALINAC NRF facility at the TU Darmstadt. 112,120Sn; deduced levels, Γ02/Γ, B(E1), summed B(E1) strengths. Fluctuation analysis of γ spectra for unresolved strength. Comparison with quasiparticle-phonon model, and relativistic time blocking approximations (RQTBA), and previous experimental results.
doi: 10.1103/PhysRevC.90.024304
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
2014WA09 Phys.Rev.Lett. 112, 132502 (2014) F.Wamers, J.Marganiec, F.Aksouh, Yu.Aksyutina, H.Alvarez-Pol, T.Aumann, S.Beceiro Novo, K.Boretzky, M.J.G.Borge, M.Chartier, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, H.Emling, O.Ershova, L.M.Fraile, H.O.U.Fynbo, D.Galaviz, H.Geissel, M.Heil, D.H.H.Hoffmann, H.T.Johansson, B.Jonson, C.Karagiannis, O.A.Kiselev, J.V.Kratz, R.Kulessa, N.Kurz, C.Langer, M.Lantz, T.Le Bleis, R.Lemmon, Yu.A.Litvinov, K.Mahata, C.Muntz, T.Nilsson, C.Nociforo, G.Nyman, W.Ott, V.Panin, S.Paschalis, A.Perea, R.Plag, R.Reifarth, A.Richter, C.Rodriguez-Tajes, D.Rossi, K.Riisager, D.Savran, G.Schrieder, H.Simon, J.Stroth, K.Summerer, O.Tengblad, H.Weick, C.Wimmer, M.V.Zhukov First Observation of the Unbound Nucleus 15Ne NUCLEAR REACTIONS C(17Ne, 2p)15Ne, E=500 MeV/nucleon; measured reaction products; deduced fractional energy spectra, J, π, energy levels, atomic mass excess. RADIOACTIVITY 15Ne(2p); measured decay products, Ep, Ip; deduced implications for 13O+p+p system.
doi: 10.1103/PhysRevLett.112.132502
2013AK01 Phys.Lett. B 718, 1309 (2013) Yu.Aksyutina, T.Aumann, K.Boretzky, M.J.G.Borge, C.Caesar, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, U.Datta Pramanik, H.Emling, H.O.U.Fynbo, H.Geissel, G.Ickert, H.T.Johansson, B.Jonson, R.Kulessa, C.Langer, T.LeBleis, K.Mahata, G.Munzenberg, T.Nilsson, G.Nyman, R.Palit, S.Paschalis, W.Prokopowicz, R.Reifarth, D.Rossi, A.Richter, K.Riisager, G.Schrieder, H.Simon, K.Summerer, O.Tengblad, H.Weick, M.V.Zhukov Momentum profile analysis in one-neutron knockout from Borromean nuclei NUCLEAR REACTIONS 1H(8He, X), E=240 MeV/nucleon; 1H(11Li, X), E=280 MeV/nucleon; 1H(14Be, X), E=304 MeV/nucleon; analyzed available data. 7,8He, 10,11Li, 12,13Be; deduced s-, d-wave components in the ground-state wave functions.
doi: 10.1016/j.physletb.2012.12.028
2013AK02 Phys.Rev. C 87, 064316 (2013) Yu.Aksyutina, T.Aumann, K.Boretzky, M.J.G.Borge, C.Caesar, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, U.Datta Pramanik, H.Emling, H.O.U.Fynbo, H.Geissel, G.Ickert, H.T.Johansson, B.Jonson, R.Kulessa, C.Langer, T.LeBleis, K.Mahata, G.Munzenberg, T.Nilsson, G.Nyman, R.Palit, S.Paschalis, W.Prokopowicz, R.Reifarth, D.Rossi, A.Richter, K.Riisager, G.Schrieder, H.Simon, K.Summerer, O.Tengblad, H.Weick, M.V.Zhukov Structure of the unbound nucleus 13Be: One-neutron knockout reaction data from 14Be analyzed in a holistic approach NUCLEAR REACTIONS 1H(14Be, n), [14Be secondary beam from Be(16O, X), E=360 MeV/nucleon primary reaction], E=304 MeV/nucleon; measured particle and neutron spectra, (fragment)n-coin in one-neutron knockout reaction, energy loss, time-of-flight, transverse momentum distributions using ALADIN-LAND system at GSI facility; deduced invariant mass in 12Be+n system, relative intensities of s-, p- and d-components, momentum-profile distribution. 13Be; deduced levels, resonances, J, π, widths, energies of S-matrix poles. 12Be; deduced levels, J, π from neutron decay of resonance in 13Be. 14C(7Li, 8B), E=82 MeV; 14C(π-, p), E=stopped pions; 14C(11B, 12N), E=190 MeV; 13C(14C, 14O), E=337 MeV; 2H(12Be, p), E=72 MeV/nucleon; reviewed resonance energies, J, π, width data for 13Be in missing mass methods. C(14B, n12Be), E=35, 287 MeV/nucleon; 1H(14Be, n12Be), E=68 MeV/nucleon; reviewed and analyzed resonance energies, J, π, width data for 13Be in invariant mass methods. 1H(14Be, n), E=68, 304 MeV/nucleon; analyzed relative energy spectra in 12Be+n system, σ, resonance energies and widths from RIKEN and current (GSI) data. Impulse approximation formalism. Dominance of s-wave component in 12Be+n system.
doi: 10.1103/PhysRevC.87.064316
2013AK05 Phys.Rev.Lett. 111, 242501 (2013) Yu.Aksyutina, T.Aumann, K.Boretzky, M.J.G.Borge, C.Caesar, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, U.Datta Pramanik, H.Emling, H.O.U.Fynbo, H.Geissel, A.Heinz, G.Ickert, H.T.Johansson, B.Jonson, R.Kulessa, C.Langer, T.LeBleis, K.Mahata, G.Munzenberg, T.Nilsson, G.Nyman, R.Palit, S.Paschalis, W.Prokopowicz, R.Reifarth, D.Rossi, A.Richter, K.Riisager, G.Schrieder, H.Simon, K.Summerer, O.Tengblad, R.Thies, H.Weick, M.V.Zhukov Study of the 14Be Continuum: Identification and Structure of its Second 2+ State NUCLEAR REACTIONS 1H(14Be, 12Be), E= 304 MeV/nucleon; measured reaction products, En, In. 14Be; deduced energy levels, J, π. Comparison with available data.
doi: 10.1103/PhysRevLett.111.242501
2013BE38 Phys.Rev.Lett. 111, 172501 (2013) J.Beller, N.Pietralla, J.Barea, M.Elvers, J.Endres, C.Fransen, J.Kotila, O.Moller, A.Richter, T.R.Rodriguez, C.Romig, D.Savran, M.Scheck, L.Schnorrenberger, K.Sonnabend, V.Werner, A.Zilges, M.Zweidinger Constraint on 0νββ Matrix Elements from a Novel Decay Channel of the Scissors Mode: The Case of 154Gd NUCLEAR REACTIONS 154Gd(γ, γ'), E<4.5 MeV; measured reaction products, Eγ, Iγ; deduced level energies, J, π, B(M1), B(E1). Comparison with IBM-2 and EDF calculations. RADIOACTIVITY 154Sm(2β-); calculated neutrinoless nuclear matrix elements.
doi: 10.1103/PhysRevLett.111.172501
2012PO07 Phys.Rev. C 85, 041304 (2012) I.Poltoratska, P.von Neumann-Cosel, A.Tamii, T.Adachi, C.A.Bertulani, J.Carter, M.Dozono, H.Fujita, K.Fujita, Y.Fujita, K.Hatanaka, M.Itoh, T.Kawabata, Y.Kalmykov, A.M.Krumbholz, E.Litvinova, H.Matsubara, K.Nakanishi, R.Neveling, H.Okamura, H.J.Ong, B.Ozel-Tashenov, V.Yu.Ponomarev, A.Richter, B.Rubio, H.Sakaguchi, Y.Sakemi, Y.Sasamoto, Y.Shimbara, Y.Shimizu, F.D.Smit, T.Suzuki, Y.Tameshige, J.Wambach, M.Yosoi, J.Zenihiro Pygmy dipole resonance in 208Pb NUCLEAR REACTIONS 208Pb(p, p'), E=295 MeV; measured Ep, Ip, σ(θ). 208Pb; deduced levels, J, π, PDR, σ(E1), σ(M1), B(E1). Multipole decomposition analysis based on DWBA calculations. Comparison with quasiparticle-phonon model (QPM), relativistic time-blocking approximation (RTBA), and shell model calculations. Separation of PDR and GDR strength with Coulomb-nuclear interference.
doi: 10.1103/PhysRevC.85.041304
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
2011BE24 Phys.Rev. C 84, 014327 (2011) W.Bentz, A.Arima, J.Enders, A.Richter, J.Wambach Rotational states in deformed nuclei: An analytic approach
doi: 10.1103/PhysRevC.84.014327
2011GO02 Nucl.Phys. A851, 1 (2011) A.Gook, M.Chernykh, C.Eckardt, J.Enders, P.von Neumann-Cosel, A.Oberstedt, S.Oberstedt, A.Richter Fragment characteristics from fission of 238U and 234U induced by 6.5-9.0 MeV bremsstrahlung NUCLEAR REACTIONS 234,238U(γ, F), E=5-9 MeV bremsstrahlung; measured fission fragment energy spectra, mass distributions and yields using twin Frisch grid ionization chamber; deduced fission reaction mechanism features. Comparison with other data and multi-modal random-neck rupture model.
doi: 10.1016/j.nuclphysa.2010.12.012
2011HE24 J.Phys.:Conf.Ser. 312, 092029 (2011) A.M.Heilmann, P.von Neumann-Cosel, A.Tamil, T.Adachi, C.Bertulani, J.Carter, H.Fujuita, Y.Fujita, K.Hatanaka, K.Hirota, On.H.Jin, T.Kawabata, A.Krugmann, H.Matsubara, E.Litvinova, R.Neveling, H.Okamura, B.Ozel-Tashenov, I.Poltoratska, V.Yu.Ponomarev, A.Richter, H.Sakaguchi, Y.Sakemi, Y.Sasamoto, Y.Shimizu, Y.Shimbara, F.D.Smit, T.Suzuki, Y.Tameshige, Y.Yasuda, M.Yosoi, J.Zenihiro Electric dipole response in 120Sn NUCLEAR REACTIONS 120Sn(polarized p, p'), E=295 MeV; measured Ep, Ip(θ=forward), proton polarization using high-resolution Grand Raiden magnetic spectrometer; deduced B(E1) strength distribution. Data of published DALINAC-S experiment with (γ, γ') used to extract B(E1) strengths.
doi: 10.1088/1742-6596/312/9/092029
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
2011TA18 Phys.Rev.Lett. 107, 062502 (2011) A.Tamii, I.Poltoratska, P.von Neumann-Cosel, Y.Fujita, T.Adachi, C.A.Bertulani, J.Carter, M.Dozono, H.Fujita, K.Fujita, K.Hatanaka, D.Ishikawa, M.Itoh, T.Kawabata, Y.Kalmykov, A.M.Krumbholz, E.Litvinova, H.Matsubara, K.Nakanishi, R.Neveling, H.Okamura, H.J.Ong, B.Ozel-Tashenov, B.Rubio, H.Sakaguchi, Y.Sakemi, Y.Sasamoto, Y.Shimbara, Y.Shimizu, V.Yu.Ponomarev, A.Richter, F.D.Smit, T.Suzuki, Y.Tameshige, J.Wambach, R.Yamada, M.Yosoi, J.Zenihiro Complete Electric Dipole Response and the Neutron Skin in 208Pb NUCLEAR REACTIONS 208Pb(p, p'), E<20 MeV; measured reaction products, proton spectra; deduced electric dipole (E1) and spin magnetic dipole (M1) modes, E1 strength distribution, neutron skin thickness. Comparison with experimental data.
doi: 10.1103/PhysRevLett.107.062502
2011TE06 Phys.Rev. C 84, 064616 (2011) E.Tengborn, A.M.Moro, T.Nilsson, M.Alcorta, M.J.G.Borge, J.Cederkall, C.Diget, L.M.Fraile, H.O.U.Fynbo, J.Gomez-Camacho, H.B.Jeppesen, H.T.Johansson, B.Jonson, O.S.Kirsebom, H.H.Knudsen, M.Madurga, G.Nyman, A.Richter, K.Riisager, G.Schrieder, O.Tengblad, N.Timofeyuk, M.Turrion, D.Voulot, F.Wenander The 8Li + 2H reaction studied in inverse kinematics at 3.15 MeV/nucleon using the REX-ISOLDE post-accelerator NUCLEAR REACTIONS 2H(8Li, p), (8Li, d), (8Li, t), [8Li beam from Ta(p, X), E=1.4 GeV primary reaction], E=3.15 MeV/nucleon; measured particle spectra, energy loss, σ(θ). 7,8,9Li; deduced levels, J, π, asymptotic normalization coefficients (ANC), Shell-model spectroscopic amplitudes. Coupled-channels and distorted-wave Born approximation (DWBA) analyses of σ(θ) data. REX-ISOLDE post-accelerator.
doi: 10.1103/PhysRevC.84.064616
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
2011VO16 J.Phys.:Conf.Ser. 312, 042026 (2011) P.von Neumann-Cosel, M.Chernykh, H.Feldmeier, T.Neff, A.Richter Pair decay width of the Hoyle state and carbon production in stars NUCLEAR REACTIONS 12C(e, e'), E=73 MeV; measured Ee, Ie; deduced transition charge density for transition in from ground to the Hoyle state, formfactor at low q, pair decay widths.
doi: 10.1088/1742-6596/312/4/042026
2010BU05 Phys.Rev. C 82, 015808 (2010) O.Burda, P.von Neumann-Cosel, A.Richter, C.Forssen, B.A.Brown Resonance parameters of the first 1/2+ state in 9Be and astrophysical implications NUCLEAR REACTIONS 9Be(e, e'), E=73 MeV; measured electron spectra, σ, σ(θ); deduced parameters of the first 1/2+ resonance, widths, B(E1). R-matrix analysis. 9Be(γ, n), E=1.6-2.0 MeV; deduced averaged σ. Deduced reaction rates for 4He(nα, γ)9Be at temperatures T9=0.001 to 0.03. Comparison with shell-model calculations. Discussed implications for possible production of 12C in neutron-rich astrophysical scenarios.
doi: 10.1103/PhysRevC.82.015808
2010CH17 Phys.Rev.Lett. 105, 022501 (2010) M.Chernykh, H.Feldmeier, T.Neff, P.von Neumann-Cosel, A.Richter Pair Decay Width of the Hoyle State and its Role for Stellar Carbon Production NUCLEAR REACTIONS 12C(e, e'), E=29-78 MeV; measured reaction products; deduced transition form factors, charge density, pair decay width of the Hoyle state.
doi: 10.1103/PhysRevLett.105.022501
2010DI05 Phys.Lett. B 685, 263 (2010) B.Dietz, H.L.Harney, A.Richter, F.Schafer, H.A.Weidenmuller Cross-section fluctuations in chaotic scattering
doi: 10.1016/j.physletb.2010.01.074
2010JO06 Nucl.Phys. A842, 15 (2010) H.T.Johansson, Yu.Aksyutina, T.Aumann, K.Boretzky, M.J.G.Borge, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, U.Datta Pramanik, H.Emling, C.Forssen, H.O.U.Fynbo, H.Geissel, G.Ickert, B.Jonson, R.Kulessa, C.Langer, M.Lantz, T.LeBleis, K.Mahata, M.Meister, G.Munzenberg, T.Nilsson, G.Nyman, R.Palit, S.Paschalis, W.Prokopowicz, R.Reifarth, A.Richter, K.Riisager, G.Schrieder, H.Simon, K.Summerer, O.Tengblad, H.Weick, M.V.Zhukov The unbound isotopes 9, 10He NUCLEAR REACTIONS 1H(11Li, 2p), (11Li, n2p), E=280 MeV/nucleon; measured fragment spectra, neutron spectra, (fragment)(neutron)-coin, relative energy spectra; deduced resonance state parameters.
doi: 10.1016/j.nuclphysa.2010.04.006
2010JO07 Nucl.Phys. A847, 66 (2010) H.T.Johansson, Yu.Aksyutina, T.Aumann, K.Boretzky, M.J.G.Borge, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, U.Datta Pramanik, H.Emling, C.Forssen, H.O.U.Fynbo, H.Geissel, G.Ickert, B.Jonson, R.Kulessa, C.Langer, M.Lantz, T.LeBleis, K.Mahata, M.Meister, G.Munzenberg, T.Nilsson, G.Nyman, R.Palit, S.Paschalis, W.Prokopowicz, R.Reifarth, A.Richter, K.Riisager, G.Schrieder, N.B.Shulgina, H.Simon, K.Summerer, O.Tengblad, H.Weick, M.V.Zhukov Three-body correlations in the decay of 10He and 13Li NUCLEAR REACTIONS 1H(11Li, 2n2p), E=280 MeV/nucleon; 1H(14Be, 2n2p), E=304 MeV/nucleon; measured fragment spectra, neutron spectra, (fragment)(neutron)-coin. 11Li, 14Be, 10He, 13Li; deduced energy, angular three-body correlation coefficients, reaction mechanism features including final state interactions. Comparison with three-body wave function analysis.
doi: 10.1016/j.nuclphysa.2010.07.002
2010PE01 Phys.Rev. C 81, 014308 (2010) I.Petermann, K.Langanke, G.Martinez-Pinedo, P.von Neumann-Cosel, F.Nowacki, A.Richter Scales in the fine structure of the magnetic dipole resonance: A wavelet approach to the shell model NUCLEAR STRUCTURE 50Ti, 52Cr, 54,56Fe; calculated M1 strength distributions, and power spectra using shell model and KB3G interaction. Comparison with experimental data from (e, e') reactions.
doi: 10.1103/PhysRevC.81.014308
2010YE02 Phys.Rev. C 81, 044309 (2010) O.Yevetska, J.Enders, M.Fritzsche, P.von Neumann-Cosel, S.Oberstedt, A.Richter, C.Romig, D.Savran, K.Sonnabend Dipole strength in the 235U(γ, γ') reaction up to 2.8 MeV NUCLEAR REACTIONS 235U(γ, γ') E=3.5, 4.4 MeV; measured Eγ, Iγ, γ(θ), integrated cross sections of γ rays. 235U; deduced levels, B(M1), B(E1) strengths. 232Th, 235,236,238U; systematics of M1 strength functions.
doi: 10.1103/PhysRevC.81.044309
2010YE11 Nucl.Instrum.Methods Phys.Res. A 618, 160 (2010) O.Yevetska, S.Watzlawik, J.Ahrens, G.D.Alkhazov, V.P.Chizhov, E.M.Maev, P.Von Neumann-Cosel, E.M.Orischin, G.E.Petrov, J.-M.Porte, A.Richter, V.V.Sarantsev, G.Schrieder, Yu.V.Smirenin New experimental method for investigation of the nucleon polarizabilities NUCLEAR REACTIONS 1H(γ, γ), E=32.4-51.4 MeV; measured products, Eπ, Iπ; deduced σ(θ). Data were imported from EXFOR entry M0804.
doi: 10.1016/j.nima.2010.02.091
2009AK03 Phys.Lett. B 679, 191 (2009) Yu.Aksyutina, H.T.Johansson, T.Aumann, K.Boretzky, M.J.G.Borge, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, U.Datta Pramanik, H.Emling, C.Forssen, H.O.U.Fynbo, H.Geissel, G.Ickert, B.Jonson, R.Kulessa, C.Langer, M.Lantz, T.LeBleis, A.O.Lindahl, K.Mahata, M.Meister, G.Munzenberg, T.Nilsson, G.Nyman, R.Palit, S.Paschalis, W.Prokopowicz, R.Reifarth, A.Richter, K.Riisager, G.Schrieder, H.Simon, K.Summerer, O.Tengblad, H.Weick, M.V.Zhukov Properties of the 7He ground state from 8He neutron knockout NUCLEAR REACTIONS 1H(8He, np), E=240 MeV/nucleon; measured fragment spectra, neutron spectra, relative energy spectra; deduced spectroscopic factor; 12C(6He, Xn)5He, E=240 MeV/nucleon; 12C(8He, Xn)7He, E=227 MeV/nucleon; analyzed fragment spectra, neutron spectra, relative energy spectra; deduced resonance parameters using R-matrix analysis, configurations, reaction mechanism features.
doi: 10.1016/j.physletb.2009.07.044
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
2009VO04 Phys.Rev. C 79, 059801 (2009) P.von Neumann-Cosel, A.Richter, A.Byelikov Comment on "138La-138Ce-136Ce nuclear cosmochronometer of the supernova neutrino process"
doi: 10.1103/PhysRevC.79.059801
2008AK03 Phys.Lett. B 666, 430 (2008) Yu.Aksyutina, H.T.Johansson, P.Adrich, F.Aksouh, T.Aumann, K.Boretzky, M.J.G.Borge, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, U.Datta Pramanik, H.Emling, C.Forssen, H.O.U.Fynbo, H.Geissel, M.Hellstrom, G.Ickert, K.L.Jones, B.Jonson, A.Kliemkiewicz, J.V.Kratz, R.Kulessa, M.Lantz, T.LeBleis, A.O.Lindahl, K.Mahata, M.Matos, M.Meister, G.Munzenberg, T.Nilsson, G.Nyman, R.Palit, M.Pantea, S.Paschalis, W.Prokopowicz, R.Reifarth, A.Richter, K.Riisager, G.Schrieder, H.Simon, K.Summerer, O.Tengblad, W.Walus, H.Weick, M.V.Zhukov Lithium isotopes beyond the drip line NUCLEAR REACTIONS 1H(11Li, np), E=280 MeV/nucleon; 1H(14Be, n2p), (14Be, 2p), E=304 MeV/nucleon; measured fragment spectra, neutron spectra, (fragment)(neutron)-coin. Deduced σ(E).
doi: 10.1016/j.physletb.2008.07.093
2008BO32 Phys.Rev. C 78, 054001 (2008) W.U.Boeglin, H.Arenhovel, K.I.Blomqvist, R.Bohm, M.Distler, R.Edelhoff, I.Ewald, R.Florizone, J.Friedrich, R.Geiges, M.Kahrau, M.Korn, H.Kramer, K.W.Krygier, V.Kunde, A.Liesenfeld, K.Merle, R.Neuhausen, E.A.J.M.Offermann, Th.Pospischil, A.W.Richter, G.Rosner, P.Sauer, S.Schardt, A.Serdarevic, A.Wagner, Th.Walcher, S.Wolf, J.Jourdan, I.Sick, M.Kuss, M.Potokar, A.Rokavec, B.Vodenik, S.Sirca fLT response function of 2H(e, e'p)n at Q2=0.33 GeV/c)2 NUCLEAR REACTIONS 2H(e, e'p), E=855.11 MeV; measured σ, missing momentum, kinematic variables; deduced interference response function. Comparison with Coupled Channels Calculations.
doi: 10.1103/PhysRevC.78.054001
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
2007BE18 Phys.Lett. B 645, 128 (2007); Erratum Phys.Lett. B 671, 496 (2009) F.Beck, D.Frekers, P.von Neumann-Cosel, A.Richter, N.Ryezayeva, I.J.Thompson Spectroscopic factor of the 7He ground state NUCLEAR REACTIONS 7Li(d, 2p), E=171 MeV; analysed σ(E, θ); deduced resonance width, spectroscopic factor. R-matrix analysis.
doi: 10.1016/j.physletb.2006.12.036
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
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
2007CH04 Phys.Rev.Lett. 98, 032501 (2007) M.Chernykh, H.Feldmeier, T.Neff, P.von Neumann-Cosel, A.Richter Structure of the Hoyle State in 12C NUCLEAR REACTIONS 12C(e, e), (e, e'), E not given; analyzed σ(θ). 12C deduced excited state density, related features. NUCLEAR STRUCTURE 12C; calculated energies, radii, transition strengths. Fermionic molecular dynamics model, α-cluster models.
doi: 10.1103/PhysRevLett.98.032501
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
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
2007KA58 Phys.Rev.Lett. 99, 202502 (2007) Y.Kalmykov, C.Ozen, K.Langanke, G.Martinez-Pinedo, P.von Neumann-Cosel, A.Richter Spin- and Parity-Resolved Level Densities from the Fine Structure of Giant Resonances NUCLEAR REACTIONS 58Ni, 90Zr(p, p'), (e, e'), E not given; 90Zr(3He, t), E not given; analyzed cross sections. deduced level densities.
doi: 10.1103/PhysRevLett.99.202502
2007LI37 Acta Phys.Pol. B38, 1359 (2007) A.F.Lisetskiy, E.Caurier, K.Langanke, G.Martinez-Pinedo, P.von Neumann-Cosel, F.Nowacki, A.Richter sd - pf Shell Model Studies of M1 Strength in Ar Isotopes NUCLEAR STRUCTURE 36,38Ar; calculated B(M1) distribution as a function of excitation energy using the nuclear shell model.
2007LI56 Nucl.Phys. A789, 114 (2007) A.F.Lisetskiy, E.Caurier, K.Langanke, G.Martinez-Pinedo, P.von Neumann-Cosel, F.Nowacki, A.Richter Magnetic dipole probes of the sd and pf shell crossing in the 36, 38Ar isotopes NUCLEAR STRUCTURE 36,38Ar; calculated level energies, J, π, and magnetic dipole strength distributions within a large scale shell model study.
doi: 10.1016/j.nuclphysa.2007.01.074
2007OZ04 Nucl.Phys. A788, 385c (2007) B.Ozel, J.Enders, P.von Neumann-Cosel, I.Poltoratska, A.Richter, D.Savran, S.Volz, A.Zilges Systematics of the pygmy dipole resonance in stable tin isotopes from resonant photon scattering NUCLEAR REACTIONS 112,120Sn(γ, γ'), E≈9-11 MeV bremsstrahlung; measured Eγ, Iγ. 112Sn deduced B(E1) strength distribution. Sn analyzed B(E1).
doi: 10.1016/j.nuclphysa.2007.01.069
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
2007SI24 Nucl.Phys. A791, 267 (2007) H.Simon, M.Meister, T.Aumann, M.J.G.Borge, L.V.Chulkov, U.Datta Pramanik, Th.W.Elze, H.Emling, C.Forssen, H.Geissel, M.Hellstrom, B.Jonson, J.V.Kratz, R.Kulessa, Y.Leifels, K.Markenroth, G.Munzenberg, F.Nickel, T.Nilsson, G.Nyman, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, O.Tengblad, M.V.Zhukov Systematic investigation of the drip-line nuclei 11Li and 14Be and their unbound subsystems 10Li and 13Be NUCLEAR REACTIONS C(11Li, nx), E=264 MeV/nucleon; C(14Be, nx), E=287 MeV/nucleon; measured neutron energies and yields, σ as a function of core-neutron energy. 11,10Li, 13Be deduced resonance parameters.
doi: 10.1016/j.nuclphysa.2007.04.021
2007TA27 Nucl.Phys. A788, 53c (2007) A.Tamii, T.Adachi, J.Carter, M.Dozono, H.Fujita, Y.Fujita, K.Hatanaka, H.Hashimoto, T.Kaneda, M.Itoh, T.Kawabata, H.Matsubara, K.Nakanishi, P.von Neumann-Cosel, H.Okamura, A.Perez, I.Poltoratska, V.Ponomarev, L.Popescu, A.Richter, B.Rubio, H.Sakaguchi, Y.Sakemi, Y.Sasamoto, Y.Shimbara, Y.Shimizu, F.D.Smit, Y.Tameshige, M.Yosoi, J.Zenihiro, K.Zimmer Study of M1 excitations by high-resolution proton inelastic scattering experiment at forward angles NUCLEAR REACTIONS 26Mg, 48Ca(p, p'), E=295 MeV; measured excitation energy spectrum. 12C(p, p'), E=295 MeV; calculated σ(θ). DWIA method.
doi: 10.1016/j.nuclphysa.2007.01.048
2006JE02 Phys.Lett. B 635, 17 (2006) H.B.Jeppesen, A.M.Moro, T.Nilsson, F.Ames, P.van den Bergh, U.C.Bergmann, G.Bollen, M.J.G.Borge, J.Cederkall, P.Van Duppen, S.Emhofer, O.Forstner, L.M.Fraile, H.O.U.Fynbo, J.Gomez-Camacho, D.Habs, R.von Hahn, G.Huber, M.Huyse, H.T.Johansson, B.Jonson, O.Kester, H.Lenske, L.Liljeby, M.Meister, G.Nyman, M.Oinonen, M.Pantea, H.Podlech, U.Ratzinger, K.Reisinger, K.G.Rensfelt, R.Repnow, K.Riisager, A.Richter, K.Rudolph, H.Scheit, A.Schempp, P.Schmidt, G.Schrieder, D.Schwalm, T.Sieber, H.Simon, O.Tengblad, E.Tengborn, M.Turrion, L.Weissman, F.Wenander, B.Wolf Investigation of the 9Li + 2H → 8Li + t reaction at REX-ISOLDE NUCLEAR REACTIONS 2H(9Li, 8Li), E=2.36 MeV/nucleon; measured particle spectra, σ(θ). 8Li levels deduced energies, spectroscopic factors. Comparison with optical model calculations, post-accelerated radioactive beam.
doi: 10.1016/j.physletb.2006.02.034
2006JE09 Phys.Lett. B 642, 449 (2006) H.B.Jeppesen, A.M.Moro, U.C.Bergmann, M.J.G.Borge, J.Cederkall, L.M.Fraile, H.O.U.Fynbo, J.Gomez-Camacho, H.T.Johansson, B.Jonson, M.Meister, T.Nilsson, G.Nyman, M.Pantea, K.Riisager, A.Richter, G.Schrieder, T.Sieber, O.Tengblad, E.Tengborn, M.Turrion, F.Wenander Study of 10Li via the 9Li(2H, p) reaction at REX-ISOLDE NUCLEAR REACTIONS 2H(9Li, 10Li), E=2.36 MeV/nucleon; measured proton spectra, σ(θ). 10Li deduced spectroscopic factors. Comparison with optical model calculations, post-accelerated radioactive beam.
doi: 10.1016/j.physletb.2006.09.060
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
2006RI14 Phys.Scr. T125, 167 (2006) On some spectral properties of billiards and nuclei - similarities and differences NUCLEAR STRUCTURE 138Ba, 140Ce, 142Nd, 144Sm; analyzed B(E1) distributions, pygmy dipole resonance; deduced regular and chaotic features.
doi: 10.1088/0031-8949/2006/T125/038
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
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
2005BA14 Phys.Rev. C 71, 024603 (2005); Erratum Phys.Rev. C 71, 029903 (2005) C.Baumer, A.M.van den Berg, B.Davids, D.Frekers, D.De Frenne, E.-W.Grewe, P.Haefner, M.N.Harakeh, F.Hofmann, S.Hollstein, M.Hunyadi, M.A.de Huu, E.Jacobs, B.C.Junk, A.Korff, K.Langanke, G.Martinez-Pinedo, A.Negret, P.von Neumann-Cosel, L.Popescu, S.Rakers, A.Richter, H.J.Wortche Determination of the Gamow-Teller strength distribution from the odd-odd nucleus 50V measured through 50V(d, 2He)50Ti and astrophysical implications NUCLEAR REACTIONS 50V(d, 2p), E=171 MeV; measured Ep, pp-coin, σ(E, θ). 50V deduced Gamow-Teller strength distribution. Comparison with model predictions.
doi: 10.1103/PhysRevC.71.024603
2005BA43 Phys.Rev. C 71, 044003 (2005) C.Baumer, D.Frekers, E.-W.Grewe, P.Haefner, S.Hollstein, B.C.Junk, A.Korff, S.Rakers, R.Schmidt, A.M.van den Berg, B.Davids, M.N.Harakeh, M.Hunyadi, M.A.de Huu, H.J.Wortche, N.Blasi, D.De Frenne, E.Jacobs, A.Negret, L.Popescu, R.De Leo, F.Hofmann, P.von Neumann-Cosel, A.Richter Measurement of the 2H(d, 2He)2n reaction at Ed = 171 MeV and implications for the neutron-neutron scattering length NUCLEAR REACTIONS 2H(d, 2p), E=171 MeV; measured Ep, pp-coin, σ(θ); deduced neutron-neutron scattering length.
doi: 10.1103/PhysRevC.71.044003
2005CH49 Nucl.Phys. A759, 23 (2005) L.V.Chulkov, H.Simon, I.J.Thompson, T.Aumann, M.J.G.Borge, Th.W.Elze, H.Emling, H.Geissel, L.V.Grigorenko, M.Hellstrom, B.Jonson, J.W.V.Kratz, R.Kulessa, K.Markenroth, M.Meister, G.Munzenberg, F.Nickel, T.Nilsson, G.Nyman, V.Pribora, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, O.Tengblad, M.V.Zhukov Three-body correlations in electromagnetic dissociation of Borromean nuclei: The 6He case NUCLEAR REACTIONS Pb(6He, 2nα), E=240 MeV/nucleon; measured Eα, En, three-body energy and angular correlations; deduced role of final state interactions, other reaction mechanism features. 6He deduced possible resonance.
doi: 10.1016/j.nuclphysa.2005.05.001
2005CH64 Astrophys.J. 633, L61 (2005) M.Chernykh, J.Enders, P.von Neumann-Cosel, C.Rangacharyulu, A.Richter The Role of the 96 keV Level in the 19O(β-)19F Process at Stellar Temperatures RADIOACTIVITY 19O(β-); calculated β-decay rate for ground and excited state, temperature dependence in stellar environments. NUCLEAR STRUCTURE 19F; calculated transitions B(M1).
doi: 10.1086/498263
2005EN01 Phys.Rev. C 71, 014306 (2005) J.Enders, P.von Neumann-Cosel, C.Rangacharyulu, A.Richter Parameter-free description of orbital magnetic dipole strength NUCLEAR STRUCTURE 46,48Ti, 50Cr, 56Fe, 66Zn, 92Zr, 94Mo, 108,112,114Cd, 122,124,126,130Te, 134,136Ba, 142Ce, 144,146,148,150Nd, 148,150,152,154Sm, 154,156,158,160Gd, 160,162,164Dy, 166,168,170Er, 172,174,176Yb, 176,178,180Hf, 182,184,186W, 190,192Os, 194,196Pt, 232Th, 236,238U; analyzed scissors mode excitation energies, deformation parameters, magnetic dipole strength distributions. Sum-rule approach.
doi: 10.1103/PhysRevC.71.014306
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
2005LI14 Phys.Rev. C 71, 044318 (2005) T.C.Li, N.Pietralla, C.Fransen, H.von Garrel, U.Kneissl, C.Kohstall, A.Linnemann, H.H.Pitz, G.Rainovski, A.Richter, M.Scheck, F.Stedile, P.von Brentano, P.von Neumann-Cosel, V.Werner One-phonon 2+1, ms mixed-symmetry state of 148Sm observed in nuclear resonance fluorescence NUCLEAR REACTIONS 148Sm(γ, γ'), E=3.2 MeV bremsstrahlung; measured Eγ, Iγ. 148Sm deduced levels, J, π, B(M1), B(E1), B(E2), mixed-symmetry state. Nuclear resonance fluorescence, interacting boson model.
doi: 10.1103/PhysRevC.71.044318
2005NI09 Nucl.Phys. A752, 273c (2005) O.Niedermaier, H.Scheit, V.Bildstein, H.Boie, J.Fitting, R.von Hahn, F.Kock, M.Lauer, U.K.Pal, H.Podlech, R.Repnow, D.Schwalm, C.Alvarez, F.Ames, G.Bollen, S.Emhofer, D.Habs, O.Kester, R.Lutter, K.Rudolph, M.Pasini, P.G.Thirolf, B.H.Wolf, J.Eberth, G.Gersch, H.Hess, P.Reiter, O.Thelen, N.Warr, D.Weisshaar, F.Aksouh, P.Van den Bergh, P.Van Duppen, M.Huyse, O.Ivanov, P.Mayet, J.Van de Walle, J.Aysto, P.A.Butler, J.Cederkall, P.Delahaye, H.O.U.Fynbo, L.M.Fraile, O.Forstner, S.Franchoo, U.Koster, T.Nilsson, M.Oinonen, T.Sieber, F.Wenander, M.Pantea, A.Richter, G.Schrieder, H.Simon, T.Behrens, R.Gernhauser, T.Kroll, R.Krucken, M.Munch, T.Davinson, J.Gerl, G.Huber, A.Hurst, J.Iwanicki, B.Jonson, P.Lieb, L.Liljeby, A.Schempp, A.Scherillo, P.Schmidt, G.Walter The neutron-rich Mg isotopes: first results from MINIBALL at REX-ISOLDE NUCLEAR REACTIONS Ni(30Mg, 30Mg'), E=2.25 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 30Mg deduced transition, B(E2).
doi: 10.1016/j.nuclphysa.2005.02.071
2005NI11 Phys.Rev.Lett. 94, 172501 (2005) O.Niedermaier, H.Scheit, V.Bildstein, H.Boie, J.Fitting, R.von Hahn, F.Kock, M.Lauer, U.K.Pal, H.Podlech, R.Repnow, D.Schwalm, C.Alvarez, F.Ames, G.Bollen, S.Emhofer, D.Habs, O.Kester, R.Lutter, K.Rudolph, M.Pasini, P.G.Thirolf, B.H.Wolf, J.Eberth, G.Gersch, H.Hess, P.Reiter, O.Thelen, N.Warr, D.Weisshaar, F.Aksouh, P.Van den Bergh, P.Van Duppen, M.Huyse, O.Ivanov, P.Mayet, J.Van de Walle, J.Aysto, P.A.Butler, J.Cederkall, P.Delahaye, H.O.U.Fynbo, L.M.Fraile, O.Forstner, S.Franchoo, U.Koster, T.Nilsson, M.Oinonen, T.Sieber, F.Wenander, M.Pantea, A.Richter, G.Schrieder, H.Simon, T.Behrens, R.Gernhauser, T.Kroll, R.Krucken, M.Munch, T.Davinson, J.Gerl, G.Huber, A.Hurst, J.Iwanicki, B.Jonson, P.Lieb, L.Liljeby, A.Schempp, A.Scherillo, P.Schmidt, G.Walter "Safe" Coulomb Excitation of 30Mg NUCLEAR REACTIONS Ni(30Mg, 30Mg'), E=2.25 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 30Mg transition deduced B(E2).
doi: 10.1103/PhysRevLett.94.172501
2005RI04 Nucl.Phys. A751, 3c (2005) Trends in nuclear physics
doi: 10.1016/j.nuclphysa.2005.02.003
2005RI07 Prog.Part.Nucl.Phys. 55, 387 (2005) Giant resonances -- experiments at highest resolution, wavelets and scales NUCLEAR REACTIONS 58Ni, 89Y, 90Zr, 120Sn, 208Pb(p, p'), E=200 MeV; analyzed proton spectra; 90Zr(3He, t), E=140 MeV/nucleon; analyzed triton spectrum; deduced giant resonance features. Wavelet analysis.
doi: 10.1016/j.ppnp.2005.01.002
2005SC27 Eur.Phys.J. A 25, Supplement 1, 397 (2005) H.Scheit, O.Niedermaier, V.Bildstein, H.Boie, J.Fitting, R.von Hahn, F.Kock, M.Lauer, U.K.Pal, H.Podlech, R.Repnow, D.Schwalm, C.Alvarez, F.Ames, G.Bollen, S.Emhofer, D.Habs, O.Kester, R.Lutter, K.Rudolph, M.Pasini, P.G.Thirolf, B.H.Wolf, J.Eberth, G.Gersch, H.Hess, P.Reiter, O.Thelen, N.Warr, D.Weisshaar, F.Aksouh, P.Van den Bergh, P.Van Duppen, M.Huyse, O.Ivanov, P.Mayet, J.Van de Walle, J.Aysto, P.A.Butler, J.Cederkall, P.Delahaye, H.O.U.Fynbo, L.M.Fraile, O.Forstner, S.Franchoo, U.Koster, T.Nilsson, M.Oinonen, T.Sieber, F.Wenander, M.Pantea, A.Richter, G.Schrieder, H.Simon, T.Behrens, R.Gernhauser, T.Kroll, R.Krucken, M.Munch, T.Davinson, J.Gerl, G.Huber, A.Hurst, J.Iwanicki, B.Jonson, P.Lieb, L.Liljeby, A.Schempp, A.Scherillo, P.Schmidt, G.Walter Coulomb excitation of neutron-rich beams at REX-ISOLDE NUCLEAR REACTIONS Ni(30Mg, 30Mg'), E=2.2 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation.2Hmeasured Eγ, Iγ, γγ-, (particle)γ-coin. 30Mg deduced transitions B(E2). 31Mg deduced transitions. Miniball array.
doi: 10.1140/epjad/i2005-06-165-2
2004AB18 Phys.Lett. B 598, 42 (2004) S.Aberg, A.Heine, G.E.Mitchell, A.Richter Isospin symmetry breaking in 93Tc and statistical properties NUCLEAR STRUCTURE 93Tc; analyzed proton resonance energy, widths, isospin mixing effects. Random matrix theory.
doi: 10.1016/j.physletb.2004.07.051
2004AN27 Eur.Phys.J. A 22, 449 (2004) K.A.Aniol, M.B.Epstein, E.Gama, D.J.Margaziotis, W.Bertozzi, J.P.Chen, D.Dale, R.E.J.Florizone, S.Gilad, A.J.Sarty, J.A.Templon, S.P.Van Verst, J.Zhao, Z.-L.Zhou, P.Bartsch, W.U.Boeglin, R.Boehm, M.O.Distler, I.Ewald, J.M.Friedrich, J.M.Friedrich, R.Geiges, P.Jennewein, M.Kahrau, K.W.Krygier, A.Liesenfeld, H.Merkel, K.Merle, U.Muller, R.Neuhausen, E.A.J.M.Offermann, Th.Pospischil, G.Rosner, H.Schmieden, A.Wagner, Th.Walcher, M.Kuss, A.Richter, G.Schrieder, K.Bohinc, M.Potokar, S.Sirca, J.M.Udias, J.R.Vignote, R.Schiavilla Measurement of RLT and ATL in the 4He(e, e'p)3H reaction at pmiss of 130-300 MeV/c NUCLEAR REACTIONS 4He(e, e'p), E=675, 855 MeV; measured σ(E, θ), transverse-longitudinal asymmetry, response function. Comparison with model predictions.
doi: 10.1140/epja/i2004-10040-x
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