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Nuclear level densities and γ-ray strength functions in Sn120,124 isotopes: Impact of Porter-Thomas fluctuations M. Markova et al. Phys. Rev. C 106, 034322 (2022) |
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Evolution of the dipole polarizability in the stable tin isotope chain S. Bassauer et al. Phys. Lett. B 810, 135804 (2020) |
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Fine structure of the isovector giant dipole resonance in 142−150Nd and 152Sm L. M. Donaldson et al. Phys. Rev. C 102, 064327 (2020) |
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Electric and magnetic dipole strength in 112,114,116,118,120,124Sn S. Bassauer et al. Phys Rev. C 102, 034327 (2020) |
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Excitation of the electric pygmy dipole resonance by inelastic electron scattering V.Yu. Ponomarev, D.H. Jakubassa-Amundsen, A. Richter, J. Wambach Eur. Phys. J. A 55, 236 (2019) |
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Gross, intermediate and fine structure of nuclear giant resonances: Evidence for doorway states Peter von Neumann-Cosel, Vladimir Yu. Ponomarev, Achim Richter, Jochen Wambach Eur. Phys. J. A 55, 224 (2019) |
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Origin of fine structure of the giant dipole resonance in sd-shell nuclei R. W. Fearick et al. Phys. Rev. C 97, 044325 (2018) |
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Studies of the Giant Dipole Resonance in 27Al, 40Ca, 56Fe, 58Ni and 208Pb with high energy-resolution inelastic proton scattering under 0∘ M. Jingo et al. Eur. Phys. J. A 54, 234 (2018) |
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Wavelet signatures of K-splitting of the Isoscalar Giant Quadrupole Resonance in deformed nuclei from high-resolution (p,p') scattering off 146,148,150Nd C. O. Kureba et al. Phys. Lett. B 779, 269 (2018) |
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Deformation dependence of the isovector giant dipole resonance: The neodymium isotopic chain revisited L. M. Donaldson et al. Phys. Lett. B 776, 133 (2018) |
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Chaos and regularity in the spectra of the low-lying dipole excitations of Cr50,52,54 B. Dietz et al. Phys. Rev. C 98, 054314 (2018) |
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Test of the Brink-Axel hypothesis for the pygmy dipole resonance D. Martin et al. Phys. Rev. Lett. 119, 182503 (2017) |
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Electric Dipole Polarizability of 48Ca and Implications for the Neutron Skin 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 Phys. Rev. Lett. 118, 252501 (2017) |
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E2 decay strength of the M1 scissors mode of 156Gd and its first excited rotational state T. Beck, J. Beller, N. Pietralla, M. Bhike, J. Birkhan, V. Derya, U. Gayer, A. Hennig, J. Isaak, B. Löher, V. Yu. Ponomarev, A. Richter, C. Romig, D. Savran, M. Scheck, W. Tornow, V. Werner, A. Zilges, M. Zweidinger Phys. Rev. Lett. 118, 212502 (2017) |
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Search for weak M1 transitions in 48Ca with inelastic proton scattering M. Mathy, J. Birkhan, H. Matsubara, P. von Neumann-Cosel, N. Pietralla, V. Yu. Ponomarev, A. Richter, A. Tamii Phys. Rev. C 95, 054316 (2017) |
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Chaos and Regularity in the Doubly Magic Nucleus 208Pb B. Dietz, A. Heusler, K. H. Maier, A. Richter, and B. A. Brown Phys. Rev. Lett. 118, 012501 (2017) |
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Fine structure of the isoscalar giant quadrupole resonance in 28Si and 27Al I. T. Usman, Z. Buthelezi, J. Carter, G. R. J. Cooper, R. W. Fearick, S. V. Förtsch, H. Fujita, Y. Fujita, P. von Neumann-Cosel, R. Neveling, P. Papakonstantinou, I. Pysmenetska, A. Richter, R. Roth, E. Sideras-Haddad, F. D. Smit Phys. Rev. C 94, 024308 (2016) |
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Electromagnetic M1 transition strengths from inelastic proton scattering: The cases of 48Ca and 208Pb J. Birkhan, H. Matsubara, P. von Neumann-Cosel, N. Pietralla, V. Yu. Ponomarev, A. Richter, A. Tamii, and J. Wambach Phys. Rev. C 93, 041302(R) (2016) |
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Dipole polarizability of 120Sn and nuclear energy density functionals T. Hashimoto et al. Phys. Rev. C 92, 031305(R) (2015) |
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Nonquenched Isoscalar Spin-M1 Excitations in sd-Shell Nuclei H. Matsubara et al. Phys. Rev. Lett. 115, 102501 (2015) |
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Low-energy electric dipole response in 120Sn A. M. Krumbholz et al. Phys. Lett. B 744, 7 (2015) |
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Low-energy dipole strength in 112,120Sn B. Özel-Tashenov, J. Enders, H. Lenske, A. M. Krumbholz, E. Litvinova, P. von Neumann-Cosel, I. Poltoratska, A. Richter, G. Rusev, D. Savran, N. Tsoneva Phys. Rev. C 90, 024304 (2014) |
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Fine structure of the isovector giant dipole resonance in 208Pb: Characteristic scales and level densities I. Poltoratska, R. W. Fearick, A. M. Krumbholz, E. Litvinova, H. Matsubara, P. von Neumann-Cosel, V. Yu. Ponomarev, A. Richter, A. Tamii Phys. Rev. C 89, 054322 (2014) |
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Constraint on 0νββ Matrix Elements from a Novel Decay Channel of the Scissors Mode: TheCase of 154Gd J. Beller, N. Pietralla, J. Barea, M. Elvers, J. Endres, C. Fransen, J. Kotila, O. Möller, A. Richter, T. R. Rodríguez, C. Romig, D. Savran, M. Scheck, L. Schnorrenberger, K. Sonnabend, V. Werner, A. Zilges, M. Zweidinger Phys. Rev. Lett. 111, 172501 (2013) |
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Pygmy dipole resonance in 208Pb I. Poltoratska et al. Phys. Rev. C 85, 041304(R) (2012) |
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Level density of 2+ states in 40Ca from high-energy-resolution (p,p′) experiments I. Usman, Z. Buthelezi, J. Carter, G. R. J. Cooper, R. W. Fearick, S. V. Förtsch, H. Fujita, Y. Kalmykov, P. von Neumann-Cosel, R. Neveling, I. Poltoratska, A. Richter, A. Shevchenko, E. Sideras-Haddad, F. D. Smit, J. Wambach Phys. Rev. C 84, 054322 (2011) |
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Complete Electric Dipole Response and the Neutron Skin in 208Pb A. Tamii et al. Phys. Rev. Lett. 107, 062502 (2011) |
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Fine structure of the isoscalar giant quadrupole resonance in 40Ca due to Landau damping? I. Usman et al. Phys. Lett. B 698, 191 (2011) |
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Fragment characteristics from fission of 238U and 234U induced by 6.5–9.0 MeV bremsstrahlung A.Göök, M. Chernykh, C. Eckardt, J. Enders, P. von Neumann-Cosel, A. Oberstedt, S.Oberstedt, A.Richter Nucl. Phys. A 851, 1 (2011) |
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Magnetic dipole excitations in nuclei: Elementary modes of nucleonic motion K. Heyde, P. von Neumann-Cosel, A. Richter Rev. Mod. Phys. 82, 2365 (2010) |
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Dipole strength in the 235U(γ,γ′) reaction up to 2.8 MeV O. Yevetska, J. Enders, M. Fritzsche, P. von Neumann-Cosel, S. Oberstedt, A. Richter, C. Romig, D. Savran, K. Sonnabend Phys. Rev. C 81, 044309 (2010) |
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Scales in the fine structure of the magnetic dipole resonance: A wavelet approach to the shell model I. Petermann, K. Langanke, G. Martínez-Pinedo, P. von Neumann-Cosel, F. Nowacki, A. Richter Phys. Rev. C 81, 014308 (2010) |
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Global investigation of the fine structure of the isoscalar giant quadrupole resonance A. Shevchenko, O. Burda, J. Carter, G. R. J. Cooper, R. W. Fearick, S. V. Förtsch, 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 Phys. Rev. C 79, 044305 (2009) |
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Analysis of fine structure in the nuclear continuum 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 Phys. Rev. C 77, 024302 (2008) |
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Spin- and Parity-Resolved Level Densities from the Fine Structure of Giant Resonances Y. Kalmykov, C. Özen, K. Langanke, G. Martínez-Pinedo, P. von Neumann-Cosel, A. Richter Phys. Rev. Lett. 99, 202502 (2007) |
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High-Energy-Resolution Inelastic Electron and Proton Scattering and the Multiphonon Nature of Mixed-Symmetry 2+ States in 94Mo O. Burda, N. Botha, J. Carter, R. W. Fearick, S. V. Förtsch, 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 Phys. Rev. Lett. 99, 092503 (2007) |
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Precise measurement of the proton charge radius at the S-DALINAC — a novel experimental method S. Rathi, I. Pysmenetska, P. von Neumann-Cosel, A. Richter, G. Schrieder, A. Shevchenko Prog. Part. Nucl. Phys. 59, 358 (2007) |
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Low-lying GT+ strength in 64Co studied via the 64Ni(d,2He)64Co reaction L. Popescu, C. Bäumer, 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. Wörtche Phys. Rev. C 75, 054312 (2007) |
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Spectroscopic factor of the 7He ground state F. Beck, D. Frekers, P. von Neumann-Cosel, A. Richter, N. Ryezayeva, I. J. Thompson Phys. Lett. B 645, 128 (2007) |
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Structure of the Hoyle State in 12C M. Chernykh, H. Feldmeier, T. Neff, P. von Neumann-Cosel, A. Richter Phys. Rev. Lett. 98, 032501 (2007) |
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Gamow-Teller Strengths in the A=14 Multiplet: A Challenge to the Shell Model A. Negret et al. Phys. Rev. Lett. 97, 062502 (2006) |
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Search for a low-energy resonance in 7He with the 7Li(d, 2He) reaction N. Ryezayeva et al. Phys. Lett. B 639, 623 (2006) |
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Fine Structure of the Gamow-Teller Resonance in 90Nb and Level Density of 1+ States 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 Phys. Rev. Lett. 96, 012502 (2006) |
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Magnetic dipole and Gamow–Teller modes: quenching, fine structure and astrophysical implications A. Richter J. Phys.: Conf. Ser. 20, 13 (2005) |
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Giant resonances — experiments at highest resolution, wavelets and scales A. Richter Prog. Part. Nucl. Phys. 55, 387 (2005) |
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One-phonon 2+1,ms mixed-symmetry state of 148Sm observed in nuclear resonance fluorescence 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 Phys. Rev. C 71, 044318 (2005) |
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Trends in nuclear physics A. Richter Nucl. Phys. A 751, 3 (2005) |
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Determination of the Gamow-Teller strength distribution from the odd-odd nucleus 50V measured through 50V(d,2He)50Ti and astrophysical implications C. Bäumer, 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. Martínez-Pinedo, A. Negret, P. von Neumann-Cosel, L. Popescu, S. Rakers, A. Richter, H. J. Wörtche Phys. Rev. C 71, 024603 (2005) |
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Dipole and quadrupole excitations in 88Sr up to 6.8 MeV L. Käubler, H. Schnare, R. Schwengner, H. Prade, F. Dönau, P. von Brentano, J. Eberth, J. Enders, A. Fitzler, C. Fransen, M. Grinberg, R.-D. Herzberg, H. Kaiser, P. von Neumann-Cosel, N. Pietralla, A. Richter, G. Rusev, Ch. Stoyanov, I. Wiedenhöver Phys. Rev. C 70, 064307 (2004) |
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Fine Structure in the Energy Region of the Isoscalar Giant Quadrupole Resonance: Characteristic Scales from a Wavelet Analysis A. Shevchenko, J. Carter, R. W. Fearick, S. V. Förtsch, 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, and J. Wambach Phys. Rev. Lett. 93, 122501 (2004) |
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Der Kernstruktur auf der Spur P. von Neumann-Cosel, A. Richter Physik Journal 3, Nr. 4, 19 (2004) |
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Fine structure of giant resonances revisited experimentally and theoretically A. Richter Nucl. Phys. A 731, 59 (2004) |
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Low-energy magnetic dipole response in 56Fe from high-resolution electron scattering R. W. Fearick, G. Hartung, K. Langanke, G. Martínez-Pinedo, P. von Neumann-Cosel, A. Richter Nucl. Phys. A 727, 41 (2003) |
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High-resolution study of the Gamow-Teller strength distribution in 51Ti measured through 51V(d,2He)51Ti C. Bäumer, A. M. van den Berg, B. Davids, D. Frekers, D. De Frenne, E.-W. Grewe, P. Haefner, M. N. Harakeh, F. Hofmann, M. Hunyadi, E. Jacobs, B. C. Junk, A. Korff, K. Langanke, G. Martínez-Pinedo, A. Negret, P. von Neumann-Cosel, L. Popescu, S. Rakers, A. Richter, H. J. Wörtche Phys. Rev. C 68, 031303(R) (2003) |
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Nuclear resonance fluorescence experiments on 204,206,207,208Pb up to 6.75 MeV J. Enders, P. von Brentano, J. Eberth, A. Fitzler, C. Fransen, R.-D. Herzberg, H. Kaiser, L. Käubler, P.von Neumann-Cosel, N. Pietralla, V. Yu. Ponomarev, A. Richter, R. Schwengner, I. Wiedenhöver Nucl. Phys. A 724, 243 (2003) |
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Low-energy photon scattering experiments of 151,153Eu, 163Dy, and 165Ho and the systematics of the M1 scissors mode in odd-mass rare-earth nuclei A. Nord, J. Enders, A. E. de Almeida Pinto, D. Belic, P. von Brentano, C. Fransen, U. Kneissl, C. Kohstall, A. Linnemann, P. von Neumann-Cosel, N. Pietralla, H. H. Pitz, A. Richter, F. Stedile, V. Werner Phys. Rev. C 67, 034307 (2003) |
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Change of the dipole strength distributions between the neighbouring γ-soft nuclei 194Pt and 196Pt A. Linnemann, P. von Brentano, J. Eberth, J. Enders, A. Fitzler, C. Fransen, E. Guliyev, R.-D. Herzberg, L. Käubler, A. A. Kuliev, P. von Neumann-Cosel, N. Pietralla, H. Prade, A. Richter, R. Schwengner, H. G. Thomas, D. Weisshaar, I. Wiedenhöver Phys. Lett. B 554, 15 (2003) |
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Collective vibrations built on the Kπ=9− high-spin isomer in 180Ta M. Loewe, P. Alexa, T. Czosnyka, J. de Boer, J. Iwanicki, I. Levon, H. J. Maier, P. J. Napiorkowski, P. von Neumann-Cosel, A. Richter, C. Schlegel, G. Sletten, J. Srebrny, M. Würkner Phys. Lett. B 551, 71 (2003) |
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Deuteron breakup in the 2H(e,e′p) reaction at low momentum transfer and close to threshold P. von Neumann-Cosel, A. Richter, G. Schrieder, A. Shevchenko, A. Stiller, H. Arenhövel International Nuclear Physics Conference (INPC 2001), Eds. E. B. Norman et al., AIP Conf. Proc. 610, 332 (2002) |
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Nature of Low-Energy Dipole Strength in Nuclei: The Case of a Resonance at Particle Threshold in 208Pb N. Ryezayeva, T. Hartmann, Y. Kalmykov, H. Lenske, P. von Neumann-Cosel, V. Yu. Ponomarev, A. Richter, A. Shevchenko, S. Volz, J. Wambach Phys. Rev. Lett. 89, 272502 (2002) |
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Deuteron Breakup in the 2H(e,e′p) Reaction at Low Momentum Transfer and Close to Threshold P. von Neumann-Cosel, A. Richter, G. Schrieder, A. Shevchenko, A. Stiller, H. Arenhövel Phys. Rev. Lett. 88, 202304 (2002) |
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Direct evidence for an orbital magnetic quadrupole twist mode in nuclei B. Reitz, A. M. van den Berg, D. Frekers, F. Hofmann, M. de Huu, Y. Kalmykov, H. Lenske, P.von Neumann-Cosel, V. Yu. Ponomarev, S. Rakers, A. Richter, G. Schrieder, K. Schweda, J. Wambach, H. J. Wörtche Phys. Lett. B 532, 179 (2002) |
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Magnetic dipole transitions in 32S from electron scattering at 180° F. Hofmann, P. von Neumann-Cosel, F. Neumeyer, C. Rangacharyulu, B. Reitz, A. Richter, G. Schrieder, D. I. Sober, L. W. Fagg, B. A. Brown Phys. Rev. C 65, 024311 (2002) |
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Giant resonance spectroscopy of 40Ca with the (e,e′x) reaction (III): Direct versus statistical decay J. Carter, H. Diesener, U. Helm, G. Herbert, P. von Neumann-Cosel, A. Richter, G. Schrieder, S. Strauch Nucl. Phys. A 696, 317 (2001) |
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Giant resonance spectroscopy of 40Ca with the (e,e′x) reaction (II): Multipole decomposition of 4π-integrated spectra and angular correlations H. Diesener, U. Helm, V. Huck, P. von Neumann-Cosel, C. Rangacharyulu, A. Richter, G. Schrieder, A. Stascheck, S. Strauch, J. Ryckebusch, J. Carter Nucl. Phys. A 696, 293 (2001) |
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Giant resonance spectroscopy of 40Ca with the (e,e′x) reaction (I): Experiments and overview of results H. Diesener, U. Helm, P. von Neumann-Cosel, A. Richter, G. Schrieder, A. Stascheck, A. Stiller, J. Carter Nucl. Phys. A 696, 272 (2001) |
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Decomposition of M1 transitions into isoscalar and isovector, spin and orbital contributions Y. Fujita et al. Nucl. Phys. A 690, 243c (2001) |
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Role of knockout contributions in giant resonance studies with (p,p′x) reactions J. Carter, A. A. Cowley, H. Diesener, R. W. Fearick, S. V. Förtsch, J. J. Lawrie, P. von Neumann-Cosel, J. V. Pilcher, A. Richter, K. Schweda, F. D. Smit, G. F. Steyn, S. Strauch Phys. Rev. C 63, 057602 (2001) |
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Depopulation of the Jπ=9- isomer in 180Ta to the Jπ=1+ ground state by Coulomb excitation Ch. Schlegel, P. von Neumann-Cosel, J. de Boer, J. Gerl, M. Kaspar, I. Kozhoukharov, M. Loewe, H. J. Maier, P. J. Napiorkowsky, I. Peter, M. Rejmund, A. Richter, H. Schaffner, J. Srebrny, M. Würkner, H. J. Wollersheim and the EBGSI96-Collaboration Eur. Phys. J. A 10, 135 (2001) |
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Low-energy isoscalar quadrupole strength in 40Ca and 48Ca from (p,p′x) reactions K. Schweda, J. Carter, A. A. Cowley, H. Diesener, R. W. Fearick, S. V. Förtsch, J. J. Lawrie, P. von Neumann-Cosel, J. V. Pilcher, A. Richter, F. D. Smit, G. F. Steyn, S. Strauch Phys. Lett. B 506, 247 (2001) |
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Potential and limitations of nucleon transfer experiments with radioactive beams at REX-ISOLDE C. Gund, H. Bauer, J. Cub, A. Dietrich, T. Härtlein, H. Lenske, D. Pansegrau, A. Richter, H. Scheit, G. Schrieder D. Schwalm Eur. Phys. J. A 10, 85 (2001) |
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Giant Resonances in the Doubly Magic Nucleus 48Ca from the (e,e′n) Reaction S. Strauch, P. von Neumann-Cosel, C. Rangacharyulu, A. Richter, G. Schrieder, K. Schweda, J. Wambach Phys. Rev. Lett. 85, 2913 (2000) |
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Transverse electron scattering form factors at low momentum transfer: Sensitivity to in-medium modifications of vector mesons? P. von Neumann-Cosel, F. Neumeyer, B. Reitz, A. Richter, J. Wambach Phys. Rev. C 62, 034307 (2000) |
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Structure and evolution of electric dipole strength in 204,206,208Pb below the neutron emission threshold J. Enders, P. von Brentano, J. Eberth, A. Fitzler, C. Fransen, R.-D. Herzberg, H. Kaiser, L. Käubler, P. von Neumann-Cosel, N. Pietralla, V. Yu. Ponomarev, H. Prade, A. Richter, H. Schnare, R. Schwengner, S. Skoda, H. G. Thomas, H. Tiesler, D. Weisshaar, I. Wiedenhöver Phys. Lett. B. 486, 279 (2000) |
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Note on a search for the two-octupole phonon state in Pb with resonant photon scattering J. Enders, P. von Brentano, J. Eberth, A. Fitzler, C. Fransen, R.-D. Herzberg, H. Kaiser, L. Käubler, P. von Neuman-Cosel, N. Pietralla, V. Yu. Ponomarev, A. Richter, H. Schnare, R. Schwengner, S. Skoda, H. G.Thomas, H. Tiesler, D. Weisshaar, I. Wiedenhöver Nucl. Phys. A 674, 3 (2000) |
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Electron scattering and nuclear structure at the S-DALINAC A. Richter Prog. Part. Nucl. Phys. 44, 3 (2000) |
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Electroexcitation of isoscalar and isovector magnetic dipole transitions in 12C and isospin mixing P. von Neumann-Cosel, H.-D. Gräf, U. Krämer, A. Richter, E. Spamer Nucl. Phys. A 669, 3 (2000) |
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Comment on “Accelerated Emission of Gamma Rays from the 31-yr Isomer of 178Hf Induced by X-Ray Irradiation” P. von Neumann-Cosel, A. Richter Phys. Rev. Lett. 84, 2543 (2000) |
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Is the 4.742 MeV state in 88Sr the 1- two-phonon state? L. Käubler, H. Schnare, R. Schwengner, P. von Brentano, F. Dönau, J. Eberth, J. Enders, A. Fitzler, C. Fransen, M. Grinberg, E. Grosse, R.-D. Herzberg, H. Kaiser, P. von Neumann-Cosel, N. Pietralla, H. Prade, A. Richter, S. Skoda, Ch. Stoyanov, H.-G. Thomas, H. Tiesler, D. Weisshaar, I. Wiedenhöver Eur. Phys. J. A 7, 15 (2000) |
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Resolved dipole strength below the E1 giant resonance in 138Ba R.-D. Herzberg, C. Fransen, P. von Brentano, J. Eberth, J. Enders, A. Fitzler, L. Käubler, H. Kaiser, P. von Neumann–Cosel, N. Pietralla, V. Yu. Ponomarev, H. Prade, A. Richter, H. Schnare, R. Schwengner, S. Skoda, H. G. Thomas, H. Tiesler, D. Weisshaar, I. Wiedenhöver Phys. Rev. C 60, 051307(R) (1999) |
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Dipole excitations in the semi-magic nucleus 51V studied with the (γ,γ′) reaction H. Kaiser, P. von Brentano, E. Caurier, J. Eberth, J. Enders, A. Fitzler, C. Fransen, R.-D. Herzberg, L. Käubler, P. von Neumann-Cosel, N. Pietralla, A. Poves, H. Prade, A. Richter, H. Schnare, R. Schwengner, S. Skoda, H. G. Thomas, H. Tiesler, D. Weisshaar, I. Wiedenhöver Nucl. Phys. A 660, 41 (1999) |
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Electric and magnetic giant resonances studied with electron scattering at the S-DALINAC P. von Neumann-Cosel, C. Bähr, F. Hofmann, F. Neumeyer, S. Nishizaki, V. Yu. Ponomarev, C. Rangacharyulu, B. Reitz. A. Richter, G. Schrieder, K. Schweda, A. Stascheck, S. Strauch, T. Waindzoch, J. Wambach Nucl. Phys. A 654, 743c (1999) |
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Low-energy magnetic dipole response in the 57Fe(γ,γ′) reaction P. von Neumann-Cosel, A. Richter, C. Schlegel, R. Schulz Nucl. Phys. A 650, 267 (1999) |
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Spin and Orbital Magnetic Quadrupole Resonances in 48Ca and 90Zr from 180° Electron Scattering P. von Neumann-Cosel, F. Neumeyer, S. Nishizaki, V. Yu. Ponomarev, C. Rangacharyulu, B. Reitz, A. Richter, G. Schrieder, D. I. Sober, T. Waindzoch, J. Wambach Phys. Rev. Lett. 82, 1105 (1999) |
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Complete scissors mode strength in heavy deformed odd-mass nuclei: a case study of 165Ho and 169Tm N. Huxel, P. von Brentano, J. Eberth, J. Enders, R.-D. Herzberg, P. von Neumann-Cosel, N. Nicolay, N. Pietralla, H. Prade, C. Rangacharyulu, J. Reif, A. Richter, C. Schlegel, R. Schwengner, S. Skoda, H. G. Thomas, I. Wiedenhöver, G. Winter, A. Zilges Nucl. Phys. A 645, 239 (1999) |
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l-Forbidden M1 Transition in 32S: A Test of Tensor Corrections to the Magnetic Dipole Operator B. Reitz, F. Hofmann, P. von Neumann-Cosel, F. Neumeyer, C. Rangacharyulu, A. Richter, G. Schrieder, D. I. Sober, B. A. Brown Phys. Rev. Lett. 82, 291 (1999) |
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Photon scattering off 52Cr: Two-phonon E1 strength at the N = 28 shell closure? J. Enders, P. von Brentano, J. Eberth, R.-D. Herzberg, N. Huxel, H. Lenske, P. von Neumann-Cosel, N. Nicolay, N. Pietralla, H. Prade, J. Reif, A. Richter, C. Schlegel, R. Schwengner, S. Skoda, H. G. Thomas, I. Wiedenhöver, G. Winterd, A. Zilges Nucl. Phys. A 636, 139 (1998) |
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Giant isoscalar monopole resonance strength in 40Ca from (e,e′α) angular correlations M. Kohl, P. von Neumann-Cosel, A. Richter, G. Schrieder, S. Strauch Phys. Rev. C 57, 3167 (1998) |
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Recent results on the magnetic dipole and quadrupole response in nuclei probed in electron and photon scattering A. Richter Proceedings of the International Symposium “New Facet of Spin Giant Resonances in Nuclei”, Eds. H. Sakai et al. (World Scientific, Singapore, 1998) 213 |
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Isoscalar quadrupole strength in 40Ca from the (p,p′α0) reaction at Ep = 100 MeV J. Carter, A. A. Cowley, H. Diesener, R. W. Fearick, S. V. Förtsch, 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. Whittale Nucl. Phys. A 630, 631 (1998) |
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Unresolved dipole strength in spectra of the 157Gd(γ,γ′) reaction J. Enders, N. Huxel, U. Kneissl, P. von Neumann-Cosel, H. H. Pitz, A. Richter Phys. Rev. C 57, 996 (1998) |
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Where is the Scissors Mode Strength in Odd-Mass Nuclei? J. Enders, N. Huxel, P. von Neumann-Cosel, and A. Richter Phys. Rev. Lett. 79, 2010 (1997) |
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Dipole excitations in 122Te, 126Te and 130Te R. Schwengner, W. Schauer, G. Winter, P. von Brentano, J. Eberth, J. Enders, T. von Egidy, M. Grinberg, R.-D. Herzberg, N. Huxel, L. Käubler, P. von Neumann-Cosel, N. Nicolay, J. Ott, N. Pietralla, H. Prade, S. Raman, J. Reif, A. Richter, C. Schlegel, H. Schnare, T. Servene, S. Skoda, C. Stoyanov, H.G. Thomas, I. Wiedenhöver, A. Zilges Z. Phys. A 358, 197 (1997) |
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Two-phonon J = 1 states in even-mass Te isotopes with A = 122–130 R. Schwengner, G. Winter, W. Schauer, M. Grinberg, F. Becker, P. von Brentano, J. Eberth, J. Enders, T. von Egidy, R.-D. Herzberg, N. Huxel, L. Käubler, P. von Neumann-Cosel, N. Nicolay, J.Ott, N. Pietralla, H. Prade, S. Raman, J. Reif, A. Richter, C. Schlegel, H. Schnare, T. Servene, S.Skoda, T. Steinhardt, C. Stoyanov, H. G. Thomas, I. Wiedenhöver, A. Zilges Nucl. Phys. A 620, 277 (1997), erratum Nucl. Phys. A 624, 776 (1997) |
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Resonant photon scattering on the semi-magic nucleus 89Y up to 7 MeV J. Reif, P. von Brentano, J. Eberth, J. Enders, R.-D. Herzberg, N. Huxel, L. Käubler, P. von Neumann-Cosel, N. Nicolay, N. Pietralla, H. Prade, A. Richter, C. Schlegel, H. Schnare, R. Schwengner, T. Servene, S. Skoda, H. G. Thomas, I. Wiedenhöver, G. Winter, A.Zilges Nucl. Phys. A 620, 1 (1997) |
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Complete Spectroscopy of an Isobaric Analog Resonance with the (e,e′p) Reaction P. von Neumann-Cosel, C. Rangacharyulu, A. Richter, G. Schrieder, A. Stascheck, S. Strauch Phys. Rev. Lett. 78, 2924 (1997) |
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Fine structure of the giant isoscalar quadrupole resonance in 208Pb observed in high-resolution (e,e′) and (p,p′) experiments S. Kamerdzhiev, J. Lisantti, P. von Neumann-Cosel, A. Richter, G. Tertychny, J. Wambach Phys. Rev. C 55, 2101 (1997) |
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Isospin and spin-orbital structures of Jπ=1+ states excited in 28Si Y. Fujita, H. Akimune, I. Daito, M. Fujiwara, M. N. Harakeh, T. Inomata, J. Jänecke, K. Katori, C. Lüttge, S. Nakayama, P. von Neumann-Cosel, A. Richter, A. Tamii, M. Tanaka, H. Toyokawa, H. Ueno, M. Yosoi Phys. Rev. C 55, 1137 (1997) |
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Fine structure of the E1 response in 140Ce below the particle threshold R.-D. Herzberg, P. von Brentano, J. Eberth, J. Enders, R. Fischer, N. Huxel, T. Klemme, P. von Neumann-Cosel, N. Nicolay, N. Pietralla, V. Yu. Ponomarev, J. Reif, A. Richter, C. Schlegel, R. Schwengner, S. Skoda, H. G. Thomas, I. Wiedenhöver, G. Winter, A. Zilges Phys. Lett. B 390, 49 (1997) |
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New experimental access to the two-phonon octupole vibration in 208Pb J. Enders, P. von Neumann-Cosel, V.Yu. Ponomarev, A. Richter Nucl. Phys. A 612, 239 (1997) |
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The rotational band on the 9− isomer in 180Ta M. Loewe, J. de Boer, H. J. Maier, M. Würkner, P. Olbratowski, J. Srebrny, J. Choinski, T. Czosnyka, J. Iwanicki, P. J. Napiorkowski, G. Hagemann, G. Sletten, S. A. Karamian, P. von Neumann-Cosel, A. Richter, C. Schlegel, H. J. Wollersheim Z. Phys. A 356, 9 (1996) |
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Unexpected properties of the scissors mode in the odd-mass nucleus 167Er C. Schlegel, P. von Neumann-Cosel, A. Richter, P. Van Isacker Phys. Lett. B 375, 21 (1996) |
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First Observation of the Scissors Mode in a γ-Soft Nucleus: The Case of 196Pt P. von Brentano, J. Eberth, J. Enders, L. Esser, R.-D. Herzberg, N. Huxel, H. Meise, P. von Neumann-Cosel, N. Nicolay, N. Pietralla, H. Prade, J. Reif, A. Richter, C. Schlegel, R. Schwengner, S. Skoda, H. G. Thomas, I. Wiedenhöver, G. Winter,A. Zilges Phys. Rev. Lett. 76, 2029 (1996) |
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Isovector M1 transitions in 28Si and the role of meson exchange currents C. Lüttge, P. von Neumann-Cosel, F. Neumeyer, C. Rangacharyulu, A. Richter, G. Schrieder, E. Spamer, D. I. Sober, S. K. Matthews, B. A. Brown Phys. Rev. C 53, 127 (1996) |
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Complete level scheme of 124Te up to 3 MeV R. Georgii, T. von Egidy, J. Klora, H. Lindner, U. Mayerhofer, J. Ot, W. Schauer, P. von Neumann-Cosel, A. Richter, C. Schlegel, R.Schulz, V. A. Khitrov, A. M. Sukhovoj, A. V. Vojnov, J. Berzins, V. Bondarenko, P. Prokofjevs, L. J. Simonova, M. Grinberg, Ch. Stoyanov Nucl. Phys. A 592, 307 (1995) |
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Isoscalar multipole strength decomposition in 40Ca with the (e,e′α0) reaction H. Diesener, U. Helm, P. von Neumann-Cosel, A. Richter, G. Schrieder, S. Strauch Phys. Lett. B 352, 201 (1995) |
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Unusual neutron-capture gamma-ray cascade in 124Te: A fingerprint of octupole-coupled multiphonon states R. Georgii, P. von Neumann-Cosel, T. von Egidy, M. Grinberg, V. A. Khitrov, J. Ott, P. Prokofjevs, A. Richter, W. Schauer, C. Schlegel, R. Schulz, L. J. Simonova, Ch. Stoyanov, A. M. Sukhovoj, A. V. Vojnov Phys. Lett. B 351, 82 (1995) |
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Probing the nuclear magnetic dipole response with electrons, photons and hadrons A. Richter Prog. Part. Nucl. Phys. 34, 261 (1995) |
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The 115In(γ, γ′) reaction as a test of the quasi-particle phonon model with complex configurations in odd-mass nuclei P. von Neumann-Cosel, V. Yu. Ponomarev, A. Richter, C. Spieler Z. Phys. A 350, 303 (1995) |
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Elementary nuclear excitations studied with electromagnetic and hadronic probes A. Richter Proceedings of the V. La R'abida International Summer School “Response of the Nuclear System to External Forces”, La R'abida, Spain (Springer, Berlin – Heidelberg, 1995) Lescture Notes in Physics 441, 13 |
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The orbital and spin magnetic dipole response in nuclei A. Richter Proceedings of the Interanational Conference on Nuclear Shapes and Nuclear Structure at Low Excitation Energies, 20 – 25 June, 1994, Antibes, France, eds. M. Vergnes et al. (Edition Frontieres, Gif-sur-Yvette, 1994) 253 |
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The scissors mode and related modes revisited in the IBM and other models A. Richter Proceedings of the International Conference on Perspectives for the Interacting Boson Model on the Occasion of its 20th Anniversary, eds. R. F: Canto et al. (World Scientific, Singapore, 1994) 59 |
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Excitation and decay of giant resonances in the 40Ca(e,e’x) reaction H. Diesener, U. Helm, G. Herbert, V. Huck, P. von Neumann-Cosel, C. Rangacharyulu, A. Richter, G. Schrieder, A. Stascheck, A. Stiller, J. Ryckebusch, J. Carter Phys. Rev. Lett. 72, 1994 (1994) |
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Excitation and decay of electric giant resonances in the 40Ca(e,e'x) and 40Ca(p,p'x) reactions 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 Nucl. Phys. A 569, 373c (1994) |
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Electroexcitation of low-multipolarity magnetic transitions in 36Ar and 38Ar C. W. Foltz, D. I. Sober, L. W. Fagg, H. D. Gräf, A. Richter, E. Spamer, B. Alex Brown Phys. Rev. C 49, 1359 (1994) |
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Intermediate structure in the photoexcitation of 77Sem, 79Brm, and 137Bam J. J. Carroll, C. B. Collins, K. Heyde, M. Huber, P. von Neumann-Cosel, V. Yu. Ponomarev, D. G. Richmond, A. Richter, C. Schlegel, T. W. Sinor, K. N. Taylor Phys. Rev. C 48, 2238 (1993) |
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Low-energy dipole-strength distributions in 148,150,152,154Sm W. Ziegler, N. Huxel, P. von Neumann-Cosel, C. Rangacharyulu, A. Richter, C. Spieler Nucl. Phys. A 564, 366 (1993) |
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How nuclei respond to dipole fields: some recent examples of nuclear and subnuclear effects A. Richter Proc. of the 4th Int. Spring Seminar on Nuclear Physics “The Building Blocks of Nuclear Structure”, eds. A. Covello (World Scientific, Singapore, 1993) 335 |
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Structure of intermediate states in the photoexcitation of the 89Y isomer M. Huber, P. von Neumann-Cosel, A. Richter, C. Schlegel, R. Schulz, J. J. Carroll, K. N. Taylor, D. G. Richmond, T. W. Sinor, C. B. Collins, V. Yu .Ponomarev Nucl. Phys. A 559, 253 (1993) |
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Common thresholds and the role of deformations in the photoexcitation of isomers C. B. Collins, J. J. Carroll, K. N. Taylor, D. G. Richmond, T. W. Sinor, M. Huber, P. von Neumann-Cosel, A. Richter, W. Ziegler Phys. Rev. C 46, 952 (1992) |
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Search for low-lying magnetic dipole strength in the heavy odd-mass nucleus 165Ho N. Huxel, W. Ahner, H. Diesener, P. von Neumann-Cosel, C. Rangacharyulu, A. Richter, C. Spieler, W. Ziegler, C. De Coster, K. Heyde Nucl. Phys. A 539, 478 (1992) |
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Admixture of the giant dipole resonance to low lying 1−-states in heavy nuclei A. Zilges, P. von Brentano & A. Richter Z. Phys. A 341, 489 (1992) |
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Reply to ‘‘Comment on ‘Resonant excitation of the reaction 180Tam(γ,γ’)180Ta’ ’’ J. J. Carroll, C. B. Collins, P. von Neumann-Cosel, D. G. Richmond, A. Richter, T. W. Sinor, K. N. Taylor Phys. Rev. C 45, 470 (1992) |
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Resonant photoexcitation of isomers. 115Inm as a test case P. von Neumann-Cosel, A. Richter, C. Spieler, W. Ziegler, J. J .Carroll, T. W. Sinor, D. G. Richmond, K. N. Taylor, C. B. Collins, K. Heyde Phys. Lett. B 266, 9 (1991) |
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Comment on ‘‘Resonant and nonresonant contributions to the photoactivation of 111Cd’ P. von Neumann-Cosel, A. Richter, J. J. Carroll, C. B. Collins Phys. Rev. C 44, 554 (1991) |
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Excitation of 123Tem and 125Tem through (γ,γ’) reactions J. J. Carroll, T. W. Sinor, D. G. Richmond, K. N. Taylor, C. B. Collins, M. Huber, N. Huxel, P. v. Neumann-Cosel, A. Richter, C. Spieler, W. Ziegler Phys. Rev. C 43, 897 (1991) |
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Strong correlation and saturation of E2 and M1 transition strengths in even-even rare-earth nuclei C. Rangacharyulu, A. Richter, H. J. Wörtche, W. Ziegler, R. F. Casten Phys. Rev. C 43, R949(R) (1991) |
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Electron scattering and elementary excitations A. Richter Nucl. Phys. A 522, 139c (1991) |
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Uncommon decay branching ratios of spin-one states in the rare-earth region and evidence for K mixing A. Zilges, P. von Brentano, A. Richter, R. D. Heil, U. Kneissl, H. H. Pitz, C. Wesselborg Phys. Rev. C 42, 1945 (1990) |
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New evidence for meson-exchange-current enhancement of isovector M1 strength A. Richter, A. Weiss, O. Häusser, and B. A. Brown Phys. Rev. Lett. 65, 2519 (1990) |
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Orbital magnetic dipole strength in 148,150,152,154Sm and nuclear deformation W. Ziegler, C. Rangacharyulu, A. Richter, C. Spieler Phys. Rev. Lett. 65, 2515 (1990) |
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Resonant excitation of the reaction 180Tam(γ,γ’)180Ta C. B. Collins, J. J. Carroll, T. W. Sinor, M. J. Byrd, D. G. Richmond, K. N. Taylor, M. Huber, N. Huxel, P. v. Neumann-Cosel, A. Richter, C. Spieler, W. Ziegler Phys. Rev. C 42, R1813 (1990) |
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Spin excitations in the deformed nuclei 154Sm, 158Gd and 168Er D. Frekers, H. J .Wörtche, A. Richter, R. Abegg, R. E .Azuma, A. Celler, C. Chan, T. E. Drake, R. Helmer, K. P. Jackson, J. D. King, C. A. Miller, R. Schubank, M. C. Vetterli, S.Yen Phys. Lett. B 244, 178 (1990) |
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Applications of statistical nuclear physics to nuclear spectroscopy P. O .Hansen, B. Jonson, A. Richter Nucl. Phys. A 518, 13 (1990) |
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Electroexcitation of magnetic dipole and other modes in 46Ti and 48Ti T. Guhr, H. Diesener, A. Richter, C. W. de Jager, H. de Vries,P. K. A. de Witt Huberts Z. Phys. A 336, 159 (1990) |
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Shell model and magnetic dipole modes in deformed nuclei A. Richter Nucl. Phys. A 507, 99c (1990) |
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Scissors modes in nuclei A. Richter in: McGraw-Hill Yearbook of Science and Technology (McGraw-HIll, New York, 1990) 232 |
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On the nature of low-lying electric dipole excitations in light and heavy deformed nuclei T. Guhr, K.-D. Hummel, G. Kilgus, D. Bohle, A. Richter, C. W. De Jager, H. De Vries, P. K. A. De Witt Huberts Nucl. Phys. A 501, 95 (1989) |
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Spin-flip transitions in 46Ti, 48Ti and 50Cr excited by inelastic proton scattering A. Willis, M. Morlet, N. Marty, C. Djalali, D. Bohle, H. Diesener, A. Richter, H. Stein Nucl. Phys. A 499, 367 (1989) |
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Search for the mixed-symmetry Jπ = 1+ and 2+ states in 110Pd with inelastic electron scattering U. Milkau, D. Bohle, A. Richter Nucl. Phys. A 499, 517 (1989) |
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Inelastic electron scattering off mixed symmetry Jπ=2+ states in 56Fe G. Hartung, A. Richter, E. Spamer, H. Woertche, C. Rangacharyulu, C. W. De Jager, H. De Vries Phys. Lett. B 221, 109 (1989) |
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Magnetic dipole strength distribution at high excitation energies in deformed nuclei K.-G. Dietrich, F. Humbert, A. Richter, B. A. Brown, A. A. Kuliev, O. Scholten Phys. Lett. B 220, 351 (1989) |
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Electroexcitation of the M1 scissors mode in 154Gd and the systematics of the M1 strength distributions in 154,156,158,160Gd U.Hartmann, D. Bohle, F. Humbert, A. Richter Nucl. Phys. A 499, 93 (1989) |
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Spin response of magnetic dipole transitions in 156Gd and 164Dy D. Frekers, D. Bohle, A. Richter, R. Abegg, R. E. Azuma, A. Celler, C. Chan, T. E. Drake, K. P. Jackson, J. D. King, C. A. Miller, R. Schubank, J. Watson, S. Yen Phys. Lett. B 218, 439 (1989) |
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Elementary isovector spin and orbital magnetic dipole modes revisited in the shell model A. Richter in: Proc. of the 2nd Int. Seminar on Nuclear Physics “ Shell Model and Nuclear Structure. Where do we stand?”, ed. A. Covello (World Scientific, Singapore, 1989) 283 |
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Status and perspectives of the M1 scissors mode in nuclei A. Richter Proc. of the Int. Conference on Comtemporary Topics in Nuclear Structure Physics, eds. R. F. Casten et al. (World Scientific, Singapore, 1988) 127 |
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The M1 scissors mode in nuclei A. Richter In: Physics News in 1987, Physics Today (1988) 58 |
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Electro-magnetic excitation of elementary nuclear modes A. Richter In: Interactions and Structures in Nuclei, eds. R. J. Blin-Stoyle and W. D. Hamilton (Adam Hilger, Bristol, 1988) 25 |
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Observation of orbital magnetic dipole strength in the actinide nuclei 232Th and 238U R. D. Heil, H. H. Pitz, U. E. P. Berg, U. Kneissl, K. D. Hummel, G. Kilgus, D. Bohle, A. Richter, C. Wesselborg, P. Von Brentano Nucl. Phys. A 476, 39 (1988) |
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Electroexcitation of elementary vibrational modes and macroscopic and microscopic views of the nuclear shape A. Richter In: Proc. of the Int. Conference on Nuclear Shapes, eds. J. D. Garrett et al. (World Scientific, Singapore, 1988) 54 |
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Search for collective M3 excitations to low lying states in 164Dy D. Bohle, A. Richter, C. W. de Jager, H. de Vries Z. Phys. A 328, 463 (1987) |
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Electroexcitation of 58Ni: A sutdy of the fragmentation of the magnetic dipole strength W. Mettner, A. Richter, W. Stock, B.C. Metsch, A.G.M. Van Hees Nucl. Phys. A 473, 160 (1987) |
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Mixing of isoscalar and isovector magnetic dipole excitation modes in 206Pb and 208Pb: Case of electron scattering form factors M. Schanz, A. Richter, and E. Lipparini Phys. Rev. C 36, 555 (1987) |
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Inelastic electron scattering form factor of orbital magnetic dipole excitations in 164Dy D. Bohle, G. Kilgus, A. Richter, C.W. de Jager, H. de Vries Phys. Lett. B 195, 326 (1987) |
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Isoscalar quadrupole giant resonance in 208Pb: A statistical analysis of high-resolution inelastic electron scattering spectra G. Kilgus, G. Kühner, S. Müller, A. Richter, W. Knüpfer Z. Phys. A 326, 41 (1987) |
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Line shape and excitation strength of the first excited state in 9Be G. Kuechler, A. Richter, W. von Witsch Z. Phys. A 326, 447 (1987) |
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Excitation energy and transition strength systematics of mixed symmetric Jπ = 1+ states from inelastic electron scattering U. Hartmann, D. Bohle, T. Guhr, K. D. Hummel, G. Kilgus, U. Milkau, A. Richter Nucl. Phys. A 465, 25 (1987) |
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Neue elementare magnetische Dipolmoden in Atomkernen A. Richter Phys. Bl. 42, 313 (1986) |
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Distribution of orbital magnetic dipole strength in 156Gd D. Bohle, A. Richter, U. E. P. Berg, J. Drexler, R. D. Heil, U. Kneissl, H. Metzger, R. Stock, B. Fischer, H. Hollick, D. Kollewe Nucl. Phys. A 458, 205 (1986) |
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Search for the new M1 mode in 156Gd by inelastic proton scattering at low incident energy C. Wesselborg, K. Schiffer, K. O. Zell, P. von Brentano, D. Bohle, A. Richter, G. P. A. Berg, B. Brinkmöller, J. G. M. Römer, F. Osterfeld, M. Yabe Z. Phys. A 323, 485 (1986) |
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On the nature of low-lying collective 1+ states in the heavy deformed nuclei 154Sm, 156Gd and 164Dy and in the f7/2 shell nucleus 46Ti C. Djalali, N. Marty, M. Morlet, A. Willis, J. C. Jourdain, D. Bohle, U. Hartmann, G. Küchler, A. Richter, G. Caske, G. M. Crawley, A. Galonsky Phys. Lett. B 164, 269 (1985) |
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Ground state M1 transition strength of the 1.115 MeV level in 65Cu A. Oberstedt, D. Bohle, G. Küchler, A. Richter, E. Spamer, C. Rangacharyulu Phys. Rev. C 32, 2158 (1985) |
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Probing collective modes with electron scattering: the case of the new magnetic dipole mode in heavy deformed nuclei A. Richter in: Nuclear Structure 1985, eds. R. Broglia, G. B. Hagemann, B. Herskind (Elsevier Science, Amsterdam, 1985) 469 |
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Study of the Mixed-Symmetry Jπ=2+ States in 156Gd with Inelastic Electron Scattering D. Bohle, A. Richter, K. Heyde, P. Van Isacker, J. Moreau, A. Sevrin Phys. Rev. Lett. 55, 1661 (1985) |
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Magnetic dipole excitations in the N=28 isotones 50Ti, 52Cr, and 54Fe D. I. Sober, B. C. Metsch, W. Knüpfer, G. Eulenberg, G. Küchler, A. Richter, E. Spamer, W. Steffen Phys. Rev. C 31, 2054 (1985) |
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Search for isovector magnetic quadrupole strength and spin-isospin correlations in 20Ne C. Rangacharyulu, E. J. Ansaldo, D. Stockhausen, D. Bender, S. Müller, A. Richter, N. Lo Iudice, F. Palumbo Phys. Rev. C 31, 1656 (1985) |
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High-Resolution Inelastic Electron Scattering and the Isoscalar Nature of the M1 Transitions to the Jπ=1+ State at Ex=5.846 MeV in 208Pb S. Müller, G. Küchler, A. Richter, H. P. Blok, H. Blok, C. W. de Jager, H. de Vries, J. Wambach Phys. Rev. Lett. 54, 293 (1985) |
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Low energy electron scattering and nuclear structure: a few selected examples of elementary electric and magnetic excitations A. Richter Prog. Part. Nucl. Phys. 13, 1 (1985) |
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Calculation of the β+ decay of proton-rich sd-shell nuclei into a Gamow-Teller resonance W. Müller, B. C. Metsch, W. Knüpfer, A. Richter Nucl. Phys. A 430, 61 (1984) |
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Present status of elementary magnetic dipole excitation modes in nuclei A. Richter in: Proc. of the Int. School of Intermediate Energy Nuclear Physics, eds. R. Bergere, S. Costa, C. Schaerf (World Scientific, Singapore, 1984) 109 |
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Electro-excitation of the 1+ state at Ex = 3.486 MeV in 88Sr L. T. Van Der Bijl, H. Blok, H. P. Blok, R. Ent, J. Heisenberg, O. Schwentker, A. Richter, P. K. A. De Witt Huberts Nucl. Phys. A 423, 365 (1984) |
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Further evidence for the new collective magnetic dipole mode in heavy deformed nuclei D. Bohle, G. Küchler, A. Richter, W. Steffen Phys. Lett. B 148, 260 (1984) |
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Isovector M2 transitions in 42,44Ca and comparison with the analogous unique first-forbidden β− decays of 42,44K C. Rangacharyulu, W. Steffen, A. Richter, E. Spamer, O. Titze Phys. Lett. B 135, 29 (1984) |
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New magnetic dipole excitation mode studied in the heavy deformed nucleus 156Gd by inelastic electron scattering D. Bohle, A. Richter, W. Steffen, A. E. L. Dieperink, N. Lo Iudice, F. Palumbo, O. Scholten Phys. Lett. B 137, 27 (1984) |
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Magnetic dipole transitions and other elementary spin excitation modes in nuclei A. Richter in: Proc. of the Int. Conf. on Nuclear Structure, eds. P. Blasi, R. A. Ricci (Tipografia Compositori, Bologna, 1983) 217 |
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Problems and perspectives in the strudy of magnetic dipole transitions in nuclei A. Richter in: Proc. of the Int. Symposium on Electromagnetic Properties of Atomic Nuclei, ed. H. Ohnuma (Tokyo Institute of Technology, Tokyo, 1983) 202 |
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High-resolution (e,e') study of isovector M1 and M2 transitions in the oxygen isotopes: (III). 18O D. Bender, A. Richter, E. Spamer, E. J. Ansaldo, C. Rangacharyulu, W. Knüpfer Nucl. Phys. A 406, 504 (1983) |
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High-resolution (e,e') study of isovector M1 and M2 transitions in the oxygen isotopes: (II). 17O C. Rangacharyulu, E. J. Ansaldo, D. Bender, A. Richter, E. Spamer Nucl. Phys. A 406, 493 (1983) |
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High-resolution (e,e') study of isovector M1 and M2 transitions in the oxygen isotopes: (I). 16O G. Küchler, A. Richter, E. Spamer, W. Steffen, W. Knüpfer Nucl. Phys. A 406, 473 (1983) |
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Form factor of the M1 transition to the 10.23 MeV state in 48Ca and the role of the Δ(1232) W. Steffen, H.-D. Gräf, A. Richter, A. Härting, W. Weise, U. Deutschmann, G. Lahm, R. Neuhausen Nucl. Phys. A 404, 413 (1983) |
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Search for M1 strength in 51V and the difference in 51V(e,e′) and 51V(p,p′) spectra D. Bender, G. Eulenberg, A. Richter, E. Spamer, B. C. Metsch, W. Knüpfer Nucl. Phys. A 398, 408 (1983) |
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Experimental study of proton and neutron spin-flip contributions to the electroexcitation of the Jπ=1+ state at Ex=5.846 MeV in 208Pb S. Müller, A. Richter, E. Spamer, W. Knüpfer, B. C. Metsch Phys. Lett. B 120, 305 (1983) |
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Inelastic Electron Scattering, Fine Structure of M1 Giant Resonances and Gamow-Teller States A. Richter Physica Scripta T5, 63 (1983) |
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Inelastic electron scattering on the N = 28 isotones 48Ca, 50Ti, and 54Fe and the shape and magnitude of the M1 strength distributions G. Eulenberg, D. I. Sober, W. Steffen, H.-D. Gräf, G. Küchler, A. Richter, E. Spamer, B. C. Metsch, W. Knüpper Phys. Lett. B 116, 113 (1982) |
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Statistical analysis of high-resolution inelastic electron scattering spectra, level densities and missing magnetic quadrupole strength in 90Zr S. Müller, F. Beck, D. Meuer, A. Richter Phys. Lett. B 113, 362 (1982) |
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Quenching of the electron scattering form factor of the 1+ state at 3.48 MeV in 88Sr and the influence of the Δ(1232)-isobar L. T. van der Bijl, H. P. Blok, R. Frey, D. Meuer, A. Richter, P. K. A. de Witt Huberts Z. Phys. A 305, 231 (1982) |
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Evidence Against a Nonstatic Spin-Isospin Order in 28Si A. Friebel, H. -D. Gräf, A. Richter, E. Spamer, O. Titze, W. Knüpfer Phys. Rev. Lett. 48, 567 (1982) |
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Inelastic electron scattering at low energy: Magnetic transitions and the magnetic polarizability of nuclei A. Richter Nucl. Phys. A 374, 177c (1982) |
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Inelastic electron scattering at low momentum transfer and nuclear structure A. Richter Nuclear Structure, eds. K. Abrahams, K. Allaart, A. E. L. Dieperink (Plenum Press, 1981) 241 |
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Effect of the nuclear magnetic susceptibility on the evaluation of the electric dipole polarizability W. Knüpfer, A. Richter Phys. Lett. B 107, 325 (1981) |
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Search for M1 and M2 giant resonances in 140Ce with high-resolution electron scattering and comments on a recent theoretical prediction D. Meuer, G. Kühner, S. Müller, A. Richter, E. Spamer, O. Titze, W. Knüpfer Phys. Lett. B 106, 289 (1981) |
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Electroexcitation of 208Pb, distribution of electric dipole and quadrupole strength and fragmentation of the isoscalar quadrupole giant resonance G. Kühler, D. Meuer, S. Müller, A. Richter, E. Spamer, O. Titze, W. Knüpfer Phys. Lett. B 104, 189 (1981) |
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On the paramagnetic and diamagnetic susceptibility of nuclei W. Knüpfer, A. Richter Phys. Lett. B 101, 375 (1981) |
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Electroexcitation of the first excited states in 39K and 41K Th. Grundey, A. Richter, G. Schrieder, E. Spamer, W. Stock Nucl. Phys. A 357, 269 (1981) |
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High resolution inelastic electron scattering on 90Zr at low momentum transfer and strong fragmentation of the magnetic quadrupole strength D. Meuer, R. Frey, D. H. H. Hoffmann, A. Richter, E. Spamer, O. Titze, W. Knüpfer Nucl. Phys. A 349, 309 (1980) |
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Electroexcitation of isovector magnetic dipole and quadrupole transitions in 18O and their relation to radiative pion capture E. J. Ansaldo, C. Rangacharyulu, D. Bender, U. Krämer, A. Richter, E. Spamer, W. Knüpfer Phys. Lett. B 95, 31 (1980) |
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Backward-angle high-resolution inelastic electron scattering on 40,42,44,48Ca and observation of a very strong magnetic dipole ground-state transition in 48Ca W. Steffen, H.-D. Gräf, W. Gross, D. Meuer, A. Richter, E. Spamer, O. Titze, W. Knüpfer Phys. Lett. B 95, 23 (1980) |
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Collective excitations, giant resonances and sum rules A, Richter, W .Knüpfer in: Electron and Pion Interactions with Nuclei at Intermediate Energies, eds. W. Bortozzi, S. Costa, C. Schaerf (Harwood, Chur-London-New York, 1980) 241 |
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A strong magnetic dipole excitation in 40Ca observed in high-resolution inelastic electron scattering and coherent spin-flip transitions due to ground-state correlations W. Gross, D. Meuer, A. Richter, E. Spamer, O. Titze, W. Knüpfer Phys. Lett. B 84, 296 (1979) |
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Inelastic electron scattering at low momentum transfers A. Richter in: Nuclear Physics with Electromagnetic Interactions, eds. H. H. Arenhövel, D. Drechsel (Springer, Berlin – Heidelberg – New York, 1979) Lecture Notes in Physics 108, 19 |
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High resolution inelastic electron scattering on 28Si at low momentum transfer and isovector m1 strength in 28Si R. Schneider, A. Richter, A. Schwierczinski, E. Spamer, O. Titze, W. Knüpfer Nucl. Phys. A 323, 13 (1979) |
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Electroexcitation of M2 giant resonances, mass dependent quenching of the spin-magnetism and the reduction of M1 strength in heavy nuclei W. Knüpfer, R. Frey, A. Friebel, W. Mettner, D. Meuer, A. Richter, E. Spamer, O. Titze Phys. Lett. B 77, 367 (1978) |
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High-resolution inelastic electron scattering on 208Pb at 50 and 63.5 MeV and fragmentation of the magnetic quadrupole strength R. Frey, A. Richter, A. Schwierczinski, E. Spamer, O. Titze, W. Knüpfer Phys. Lett. B 74, 45 (1978) |
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Study of electric monopole transitions between the ground state and the first excited 0+ state in 40,42,44,48Ca with high resolution inelastic electron scattering H. D. Gräf, H. Feldmeier, P. Manakos, A. Richter, E. Spamer, D. Strottman Nucl. Phys. A 295, 319 (1978) |
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Inelastic electron scattering, radiative width and magnetization density of the 2+, T = 1 state at 16.11 MeV in 12C A. Friebel, P. Manakos, A. Richter, E. Spamer, W. Stock, O. Titze Nucl. Phys. A 294, 129 (1978) |
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High resolution elastic electron scattering and the excitation of magnetic dipole and quadrupole states in nuclei R. Frey et al., J. Phys. Soc. Japan Suppl. 44, 202 (1978) |
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In-beam measurement of the E0 transition probability for the 0+1-0+ transition in 100Mo and 70Zn J. Reisberg, H. Genz, J. Lange, A. Richter, H.-W. Müller Nucl. Phys. A 280, 13 (1977) |
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The reactions 2H(40Ar,n)41K and 2H(40Ar,p)40Ar and electromagnetic decays of low-lying states in 41K and 41Ar G. Schrieder, A. Müller-Arnke, A. Richter Nucl. Phys. A 279, 463 (1977) |
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Latest from the DALINAC A. Richter in: Electro- and Photonuclear Reactions and Applications, eds. S. Costa, C. Schaerf (Springer, Berlin – Heidelberg – New York, 1976) Lecture Noted in Physics 62, 165 |
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Multipole Assignment of the 8.9-MeV Resonance in 208Pb A. Schwierczinski, R. Frey, A. Richter, E. Spamer, H. Theissen, O. Titze, Th. Walcher, S. Krewald, R. Rosenfelder Phys. Rev. Lett. 35, 1244 (1975) |
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High resolution inelastic electron scattering and radiation widths of levels in 16O H. Miska, H. D. Gräf, A. Richter, R. Schneider, D. Schüll, E. Spamer, H. Theissen, O. Titze, Th. Walcher Phys. Lett. B 58, 155 (1975) |
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High-lying neutron-hole states populated in the reaction 13C(p,d)12C at 62 MeV L. J. Parish, R. A. Brown, K. A. Eberhard, A. Richter, W. von Witsch Phys. Rev. C 9, 876 (1974) |
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Study of the Reaction 48Ca(3He,t)48Sc at 23 MeV and the Structure of 48Sc A. Richter, J. R. Comfort, N. Anantaraman, J. P. Schiffer Phys. Rev. C 5, 821 (1972) |
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Study of 48Sc by the Reaction 46Ca(α,d)48Sc A. Richter, J. R. Comfort, J. L. Yntema, N. Anantaraman, J. P. Schiffer Phys. Rev. C 5, 814 (1972) |
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The spin of the 2.391 MeV level in 23Na A. Richter, W. Von Witsch Nucl. Phys. A 100, 683 (1967) |
