NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = E.Spamer Found 42 matches. 2000VO04 Nucl.Phys. A669, 3 (2000) P.von Neumann-Cosel, H.-D.Graf, U.Kramer, A.Richter, E.Spamer Electroexcitation of Isoscalar and Isovector Magnetic Dipole Transitions in 12C and Isospin Mixing NUCLEAR REACTIONS 12C(e, e'), E=30-60 MeV; measured σ(E, θ). 12C deduced magnetic dipole transitions widths, B(M1), isospin mixing, Coulomb matrix element.
doi: 10.1016/S0375-9474(99)00564-3
1996LU01 Phys.Rev. C53, 127 (1996) C.Luttge, P.von Neumann-Cosel, F.Neumeyer, C.Rangacharyulu, A.Richter, G.Schrieder, E.Spamer, D.I.Sober, S.K.Matthews, B.A.Brown Isovector M1 Transitions in 28Si and the Role of Meson Exchange Currents NUCLEAR REACTIONS 28Si(e, e'), E=42.7, 50.3, 62.1 MeV; measured σ(E, θ=180°). 28Si levels deduced B(M1). Shell model. NUCLEAR STRUCTURE 28Si, 28P; calculated B(M1), Gamow-Teller transition strengths; deduced meson exchange current contributions. Shell model.
doi: 10.1103/PhysRevC.53.127
1995CA14 Phys.Lett. 349B, 433 (1995) M.C.A.Campos, P.von Neumann-Cosel, F.Neumeyer, A.Richter, G.Schrieder, E.Spamer, B.A.Brown, R.J.Peterson Isospin Mixing in the Electroexcitation of the E(x) = 10.84 MeV, J(π); T = 1-; 0 State in 12C at Low Momentum Transfers NUCLEAR REACTIONS 12C(e, e'), E=60 MeV; measured σ(θ) vs excitation. 12C level deduced longitudinal form factor, isospin breaking Coulomb matrix element. Shell model comparison.
doi: 10.1016/0370-2693(95)00252-G
1995LU25 Nucl.Instrum.Methods Phys.Res. A366, 325 (1995) C.Luttge, C.Hofmann, J.Horn, F.Neumeyer, A.Richter, G.Schrieder, E.Spamer, A.Stiller, D.I.Sober, S.K.Matthews, L.W.Fagg Large-Aperture System for High-Resolution 180° Electron Scattering NUCLEAR REACTIONS 12C(e, e), (e, e'), E=62 MeV; measured σ(θ). 28Si(e, e), E=62 MeV; measured spectra, θ=180°. High resolution 180° scattering large aperture system.
doi: 10.1016/0168-9002(95)00497-1
1994FO03 Phys.Rev. C49, 1359 (1994) C.W.Foltz, D.I.Sober, L.W.Fagg, H.D.Graf, A.Richter, E.Spamer, B.A.Brown Electroexcitation of Low-Multipolarity Magnetic Transitions in 36Ar and 38Ar NUCLEAR REACTIONS 36,38Ar(e, e'), E=35-65 MeV; measured σ(E, θ). 36,38Ar deduced transition multipolarities, B(λ). Pressurized gas target. Shell-model calculations.
doi: 10.1103/PhysRevC.49.1359
1989HA12 Phys.Lett. 221B, 109 (1989) G.Hartung, A.Richter, E.Spamer, H.Woertche, C.Rangacharyulu, C.W.de Jager, H.de Vries Inelastic Electron Scattering Off Mixed Symmetry J(π) = 2+ States in 56Fe NUCLEAR REACTIONS 56Fe(e, e'), E=40, 68 MeV; measured σ(E(e')), E2 form factors.
doi: 10.1016/0370-2693(89)91481-0
1987RA26 Astrophys.J. 320, 405 (1987) C.Rangacharyulu, G.Kuechler, A.Richter, E.Spamer Radiative Transitions in 27Al and Their Relevance to the 26Al(p, γ)27Si Reaction Under Stellar Conditions NUCLEAR REACTIONS, ICPND 27Al(e, e'), E=25, 35, 40 MeV; measured electron scattering spectra. 27Al deduced γ-transition strengths. 26Al(p, γ), E=0.05-0.15 MeV; calculated reaction rate, σ.
doi: 10.1086/165553
1985OB02 Phys.Rev. C32, 2158 (1985) A.Oberstedt, D.Bohle, G.Kuchler, A.Richter, E.Spamer, C.Rangacharyulu Ground State M1 Transition Strength of the 1.115 MeV Level in 65Cu NUCLEAR REACTIONS 65Cu(e, e'), E=24.6-140 MeV; measured σ(E(e')), form factors. 65Cu transitions deduced B(λ), Γγ(M1).
doi: 10.1103/PhysRevC.32.2158
1985SO05 Phys.Rev. C31, 2054 (1985) D.I.Sober, B.C.Metsch, W.Knupfer, G.Eulenberg, G.Kuchler, A.Richter, E.Spamer, W.Steffen Magnetic Dipole Excitations in the N = 28 Isotones 50Ti, 52Cr, and 54Fe NUCLEAR REACTIONS 50Ti, 52Cr, 54Fe(e, e'), E=30-57 MeV; measured σ(θ), σ(E(e')). 50Ti, 52Cr, 54Fe levels deduced B(λ), transition radius, M1 total strength, fragmentation. Shell model calculations.
doi: 10.1103/PhysRevC.31.2054
1984RA04 Phys.Lett. 135B, 29 (1984) C.Rangacharyulu, W.Steffen, A.Richter, E.Spamer, O.Titze Isovector M2 Transitions in 42,44Ca and Comparison with the Analogous Unique First-Forbidden β- Decays of 42,44K NUCLEAR REACTIONS 42,44Ca(e, e'), E=50 MeV; measured σ(E(e')). 42,44Ca deduced IAS state isovector M2 transition strength, spin magnetization role.
doi: 10.1016/0370-2693(84)90447-7
1983BE11 Nucl.Phys. A398, 408 (1983) D.Bender, G.Eulenberg, A.Richter, E.Spamer, B.C.Metsch, W.Knupfer Search for M1 Strength in 51V and the Difference in 51V(e, e') and 51V(p, p') Spectra NUCLEAR REACTIONS 51V(e, e'), E=38-57 MeV; measured σ(E, θ). 51V deduced B(M1).
doi: 10.1016/0375-9474(83)90292-0
1983BE36 Nucl.Phys. A406, 504 (1983) D.Bender, A.Richter, E.Spamer, E.J.Ansaldo, C.Rangacharyulu, W.Knupfer High-Resolution (e, e') Study of Isovector M1 and M2 Transitions in the Oxygen Isotopes (III). 18O NUCLEAR REACTIONS 18O(e, e'), E=30-60 MeV; measured σ(E, θ). 18O levels deduced tentative J, π, B(M1), B(M2) at photon point. Shell-model calculations. Enriched isotope gas target.
doi: 10.1016/0375-9474(83)90373-1
1983KU14 Nucl.Phys. A406, 473 (1983) G.Kuchler, A.Richter, E.Spamer, W.Steffen, W.Knupfer High-Resolution (e, e') Study of Isovector M1 and M2 Transitions in the Oxygen Isotopes (I). 16O NUCLEAR REACTIONS 16O(e, e'), E=30-60 MeV; measured σ(E, θ). 16O levels deduced B(λ) at photon point. Shell-model, RPA calculations. Solid BeO, Be targets.
doi: 10.1016/0375-9474(83)90371-8
1983MU03 Phys.Lett. 120B, 305 (1983) S.Muller, A.Richter, E.Spamer, W.Knupfer, B.C.Metsch Experimental Study of Proton and Neutron Spin-Flip Contributions to the Electroexcitation of the J(π) = 1+ State at E(x) = 5.846 MeV in 208Pb NUCLEAR REACTIONS 208Pb(e, e'), E=23.3, 36.4, 49.8, 61.2 MeV; measured σ(E(e')), σ(θ) vs E; deduced tensor correlation, neutron, proton contribution interference. 208Pb deduced M1 transition isovector character. RPA calculations.
doi: 10.1016/0370-2693(83)90450-1
1983RA27 Nucl.Phys. A406, 493 (1983) C.Rangacharyulu, E.J.Ansaldo, D.Bender, A.Richter, E.Spamer High-Resolution (e, e') Study of Isovector M1 and M2 Transitions in the Oxygen Isotopes (II). 17O NUCLEAR REACTIONS 17O(e, e'), E=39-59 MeV; measured σ(E, θ). 17O levels deduced possible J, π, B(M1), B(M2) at photon point. β- decay, mirror symmetry comparison. Enriched isotope gas target.
doi: 10.1016/0375-9474(83)90372-X
1982EU01 Phys.Lett. 116B, 113 (1982) G.Eulenberg, D.I.Sober, W.Steffen, H.-D.Graf, G.Kuchler, A.Richter, E.Spamer, B.C.Metsch, W.Knupfer Inelastic Electron Scattering on the N = 28 Isotones 48Ca, 50Ti, 52Cr and 54Fe and the Shape and Magnitude of the M1 Strength Distributions NUCLEAR REACTIONS 48Ca, 50Ti, 52Cr, 54Fe(e, e'), E=30-58 MeV; measured σ(E(e')), σ(θ). 50Ti, 52Cr, 54Fe deduced B(M1) strength distribution. 48Ca deduced total B(M1). Shell model.
doi: 10.1016/0370-2693(82)90987-X
1981GR04 Nucl.Phys. A357, 269 (1981) Th.Grundey, A.Richter, G.Schrieder, E.Spamer, W.Stock Electroexcitation of the First Excited States in 39K and 41K NUCLEAR REACTIONS 39,41K(e, e'), E=40-66 MeV; measured σ(E(e), θ). 39,41K levels deduced B(E2), B(M1).
doi: 10.1016/0375-9474(81)90221-9
1981KU14 Phys.Lett. 104B, 189 (1981) G.Kuhner, D.Meuer, S.Muller, A.Richter, E.Spamer, O.Titze, W.Knupfer Electroexcitation of 208Pb, Distribution of Electric Dipole and Quadrupole Strength and Fragmentation of the Isoscalar Quadrupole Giant Resonance NUCLEAR REACTIONS 208Pb(e, e'), E=30, 40, 50 MeV; measured σ(E(e')). 208Pb deduced B(E1), B(E2), electric dipole, T=0, GQR strength fragmentation, EWSR. Low momentum transfer, high resolution.
doi: 10.1016/0370-2693(81)90588-8
1981ME12 Phys.Lett. 106B, 289 (1981) D.Meuer, G.Kuhner, S.Muller, A.Richter, E.Spamer, O.Titze, W.Knupfer Search for M1 and M2 Giant Resonances in 140Ce with High-Resolution Electron Scattering and Comments on a Recent Theoretical Prediction NUCLEAR REACTIONS 140Ce(e, e'), E=40, 46, 50 MeV; measured σ(θ, E(e)). 140Ce deduced levels, 2- state fragmentation, B(M2), no evidence for M1 giant resonance. High resolution.
doi: 10.1016/0370-2693(81)90538-4
1980AN18 Phys.Lett. B95, 31 (1980) E.J.Ansaldo, C.Rangacharyulu, D.Bender, U.Kramer, A.Richter, E.Spamer, W.Knupfer Electroexcitation of Isovector Magnetic Dipole and Quadrupole Transitions in 18O and Their Relation to Radiative Pion Capture. NUCLEAR REACTIONS 18O(e, e'), E=45, 49, 54, 58, 59 MeV; measured σ(E(e')). 18O deduced levels, J, π, isospin, γ-multipolarity, B(λ). Enriched gas target.
doi: 10.1016/0370-2693(80)90392-5
1980ME13 Nucl.Phys. A349, 309 (1980) D.Meuer, R.Frey, D.H.H.Hoffmann, A.Richter, E.Spamer, O.Titze, W.Knupfer High Resolution Inelastic Electron Scattering on 90Zr at Low Momentum Transfer and Strong Fragmentation of the Magnetic Quadrupole Strength NUCLEAR REACTIONS 90Zr(e, e'), E=24-66 MeV; measured σ(E, θ). 90Zr deduced levels, transition strengths. Shell model calculations.
doi: 10.1016/0375-9474(80)90290-0
1980ST17 Phys.Lett. B95, 23 (1980) W.Steffen, H.-D.Graf, W.Gross, D.Meuer, A.Richter, E.Spamer, O.Titze, W.Knupfer 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 NUCLEAR REACTIONS 40,42,44,48Ca(e, e'), E=39 MeV; 48Ca(e, e'), E=30, 50 MeV; measured σ(E(e')). 40,42,48Ca deduced 1+ state, B(M1). Enriched targets.
doi: 10.1016/0370-2693(80)90390-1
1979GR09 Phys.Lett. 84B, 296 (1979) W.Gross, D.Meuer, A.Richter, E.Spamer, O.Titze, W.Knupfer A Strong Magnetic Dipole Excitation in 40Ca Observed in High-Resolution Inelastic Electron Scattering and Coherent Spin-Flip Transitions Due To Ground-State Correlations NUCLEAR REACTIONS 40Ca(e, e'), E=44, 50 MeV; measured σ(Ee'). 40Ca level deduced strong M1 transition. Coherent spin-flip transitions, ground state correlation interpretation.
doi: 10.1016/0370-2693(79)90043-1
1979SC14 Nucl.Phys. A323, 13 (1979) R.Schneider, A.Richter, A.Schwierczinski, E.Spamer, O.Titze, W.Knupfer High Resolution Inelastic Electron Scattering on 28Si at Low Momentum Transfer and Isovector M1 Strength in 28Si NUCLEAR REACTIONS 28Si(e, e'), E=38.7-57.5 MeV; measured σ(E, θ). 28Si deduced levels, transition probability. Shell-model calculations.
doi: 10.1016/0375-9474(79)90413-5
1978FR03 Nucl.Phys. A294, 129 (1978) A.Friebel, P.Manakos, A.Richter, E.Spamer, W.Stock, O.Titze Inelastic Electron Scattering, Radiative Width and Magnetization Density on the 2+, T = 1 State at 16.11 MeV in 12C NUCLEAR REACTIONS 12C(e, e'), E=32.8-62.2 MeV; measured σ(E, θ). 12C level deduced Γγ, magnetization density. Shell model.
doi: 10.1016/0375-9474(78)90399-8
1978FR06 Phys.Lett. 74B, 45 (1978) R.Frey, A.Richter, A.Schwierczinski, E.Spamer, O.Titze, W.Knupfer High-Resolution Inelastic Electron Scattering on 208Pb at 50 and 63.5 MeV and Fragmentation of the Magnetic Quadrupole Strength NUCLEAR REACTIONS 208Pb(e, e'), E=50, 63.5 MeV; measured σ(θ). 208Pb deduced levels, B(M2).
doi: 10.1016/0370-2693(78)90055-2
1978GR02 Nucl.Phys. A295, 319 (1978) H.D.Graf, H.Feldmeier, P.Manakos, A.Richter, E.Spamer, D.Strottman Study of Electic Monopole Transitions between the Ground State and the First Excited 0+ State in 40,42,44,48Ca with High Resolution Inelastic Electron Scattering NUCLEAR REACTIONS 40,42,44,48Ca(e, e'), E=31-67 MeV; measured σ(E;Ee';θ). 40,42,44,48Ca 0+ level deduced E0 matrix elements. Shell model calculation.
doi: 10.1016/0375-9474(78)90120-3
1978GR03 Phys.Lett. 72B, 179 (1978); see also 77Gr26 H.D.Graf, V.Heil, A.Richter, E.Spamer, W.Stock, O.Titze Isospin Forbidden Electroexcitation of the 1-, T = 0 State at 6.95 MeV in 40Ca, Continuum Shell-Model and Effective Charge of the Convection Current NUCLEAR REACTIONS 40Ca(e, e'), E=31-67 MeV; measured σ(E, θ). 40Ca level deduced form factor.
doi: 10.1016/0370-2693(77)90696-7
1978KN03 Phys.Lett. 77B, 367 (1978) W.Knupfer, R.Frey, A.Friebel, W.Mettner, D.Meuer, A.Richter, E.Spamer, O.Titze Electroexcitation of M2 Giant Resonances, Mass Dependent Quenching of The Spin-Magnetism and the Reduction of M1 Strength in Heavy Nuclei NUCLEAR STRUCTURE 28Si, 90Zr, 208Pb; calculated M2 giant resonance.
doi: 10.1016/0370-2693(78)90579-8
1977GR26 Phys.Lett. 72B, 179 (1977) H.D.Graf, V.Heil, A.Richter, E.Spamer, W.Stock, O.Titze Isospin Forbidden Electroexcitation of the 1-, T=0 State at 6.95 MeV in 40Ca, Continuum Shell-Model and Effective Charge of the Convection Current NUCLEAR REACTIONS 40Ca(e, e'), E=31-67 MeV; measured σ(E, θ). 40Ca level deduced form factor.
doi: 10.1016/0370-2693(77)90696-7
1975MI08 Phys.Lett. 58B, 155 (1975) H.Miska, H.D.Graf, A.Richter, R.Schneider, D.Schull, E.Spamer, H.Theissen, O.Titze, T.Walcher High Resolution Inelastic Electron Scattering and Radiation Widths of Levels in 16O NUCLEAR REACTIONS 16O(e, e'), E=38-60 MeV; measured σ(E, Ee', θ). 16O levels deduced γ-width.
doi: 10.1016/0370-2693(75)90626-7
1975MI13 Phys.Lett. 59B, 441 (1975) H.Miska, H.D.Graf, A.Richter, D.Schull, E.Spamer, O.Titze Isospin-Forbidden Electroexcitation of the 1-, T=0 State at 7.12 MeV in 16O at Low Momentum Transfers NUCLEAR REACTIONS 16O(e, e'), E=38-60 MeV; measured σ(E, θ); deduced form factor.
doi: 10.1016/0370-2693(75)90341-X
1975SC03 Phys.Lett. 55B, 171 (1975) A.Schwierczinski, R.Frey, E.Spamer, H.Theissen, T.Walcher Inelastic Electron Scattering from the Giant Isoscalar E2-Resonance in 142Nd and 150Nd NUCLEAR REACTIONS 142,150Nd(e, e'), E=50, 64.3 MeV; measured σ(Ee'). 142,150Nd deduced resonances, level-width.
doi: 10.1016/0370-2693(75)90435-9
1975SC33 Phys.Rev.Lett. 35, 1244 (1975) A.Schwierczinski, R.Frey, A.Richter, E.Spamer, H.Theissen, O.Titze, T.Walcher, S.Krewald, R.Rosenfelder Multipole Assignment of the 8.9-MeV Resonance in 208Pb NUCLEAR REACTIONS 208Pb(e, e'), E=50 MeV; measured σ(Ee', θ); analyzed previous data. 208Pb deduced resonances, B(λ), Γ.
doi: 10.1103/PhysRevLett.35.1244
1970TI01 Phys.Lett. 31B, 565 (1970) Splitting of the Giant Resonance in 26Mg NUCLEAR REACTIONS 26Mg(e, e') E=51, 52, 54 MeV; measured σ(Ee'). 26Mg deduced splitting of E1 giant resonance.
doi: 10.1016/0370-2693(70)90694-5
1968CL08 Nucl.Phys. A120, 441 (1968) H.-G.Clerc, K.J.Wetzel, E.Spamer Inelastic Electron Scattering from 9Be: Levels below 10 MeV NUCLEAR REACTIONS 9Be(e, e'), Ee=25-58 MeV, θ=105°-165°; measured σ(Ee, Ee', θ). 9Be deduced levels, π, level-width.
doi: 10.1016/0375-9474(68)90777-X
1967SP02 Z.Physik 198, 445 (1967) Unelastische Elektronenstreuung am 4, 46 und 5, 04 Mev-Niveau des B11 NUCLEAR STRUCTURE 11B; measured not abstracted; deduced nuclear properties.
doi: 10.1007/BF01325973
1967TI03 Phys.Letters 24B, 169 (1967) Structure of the Giant Resonance of 24Mg NUCLEAR STRUCTURE 24Mg; measured not abstracted; deduced nuclear properties.
doi: 10.1016/0370-2693(67)90481-9
1966CL01 Phys.Letters 20, 667 (1966) H.G.Clerc, K.J.Wetzel, E.Spamer Excitation of New Electromagnetic Transitions in 9Be Inelastic Electron Scattering NUCLEAR STRUCTURE 9Be; measured not abstracted; deduced nuclear properties.
doi: 10.1016/0031-9163(66)91165-6
1966SP02 Z.Physik 191, 24 (1966) Untersuchung Einiger Kernniveaus des B10 und B11 durch Unelastische Elektronenstreuung NUCLEAR STRUCTURE 11B, 10B; measured not abstracted; deduced nuclear properties.
doi: 10.1007/BF01362466
1966TI02 Z.Naturforsch. 21a, 1504 (1966) Inelastic Electron Scattering from Levels with 7 to 15 MeV Excitation Energy in 24Mg and 26Mg NUCLEAR STRUCTURE 24Mg, 26Mg; measured not abstracted; deduced nuclear properties.
1965SP04 Phys.Letters 14, 210 (1965) Excitation of an M1 Transition in B10 at 7.48 MeV by Inelastic Electron Scattering NUCLEAR STRUCTURE 10B; measured not abstracted; deduced nuclear properties.
doi: 10.1016/0031-9163(65)90593-7
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