NSR Query Results
Output year order : Descending NSR database version of May 1, 2024. Search: Author = J.Margraf Found 34 matches. 1999FR06 Phys.Rev. C59, 2264 (1999) C.Fransen, B.Krischok, O.Beck, J.Besserer, P.von Brentano, T.Eckert, R.-D.Herzberg, U.Kneissl, J.Margraf, H.Maser, A.Nord, N.Pietralla, H.H.Pitz, A.Zilges Low-Lying Dipole Excitations in the Transitional Nuclei 190, 192Os NUCLEAR REACTIONS 190,192Os(γ, γ'), E=4 MeV bremsstrahlung; measured Eγ, Iγ(θ). 190,192Os deduced levels, J, π, B(M1), dipole excitation strength distribution, scissors mode. Comparison with IBM-2 predictions.
doi: 10.1103/PhysRevC.59.2264
1999LE31 Phys.Rev. C60, 024308 (1999) H.Lehmann, A.Nord, A.E.de Almeida Pinto, O.Beck, J.Besserer, P.von Brentano, S.Drissi, T.Eckert, R.-D.Herzberg, D.Jager, J.Jolie, U.Kneissl, J.Margraf, H.Maser, N.Pietralla, H.H.Pitz Dipole Excitations in the Vibrational Nucleus 112Cd NUCLEAR REACTIONS 112Cd(γ, γ'), E=4.1 MeV bremsstrahlung; measured Eγ, Iγ. 112Cd deduced levels, J, π, decay branching ratios, B(M1), B(E1). Nuclear resonance fluorescence technique. Comparison with IBM calculations.
doi: 10.1103/PhysRevC.60.024308
1998WO06 Phys.Rev. C58, 765 (1998) A.Wolpert, O.Beck, D.Belic, J.Besserer, P.von Brentano, T.Eckert, C.Fransen, R.-D.Herzberg, U.Kneissl, J.Margraf, H.Maser, A.Nord, N.Pietralla, H.H.Pitz Low-Lying Dipole Excitations in the Heavy, Odd-Mass Nucleus 181Ta NUCLEAR REACTIONS 181Ta(γ, γ'), E=2.7, 4.1 MeV bremsstrahlung; measured Eγ, Iγ. 181Ta deduced levels, B(E1), B(M1), gΓ0. Nuclear resonance flourescence.
doi: 10.1103/PhysRevC.58.765
1997BE43 Phys.Rev. C56, 1276 (1997) J.Besserer, O.Beck, P.von Brentano, T.Eckert, R.-D.Herzberg, D.Jager, U.Kneissl, J.Margraf, H.Maser, A.Nord, N.Pietralla, H.H.Pitz, A.Zilges Fragmentation of Low-Lying Dipole Strength in the Odd-Mass Nucleus 133Cs NUCLEAR REACTIONS 133Cs(γ, γ'), E ≤ 4.1 MeV bremsstrahlung; measured Eγ, Iγ. 133Cs deduced levels, J, π, Γ0, B(M1), B(E1), dipole strength distributions. Nuclear resonance flourescence technique. Data from other nuclei compared.
doi: 10.1103/PhysRevC.56.1276
1997EC01 Phys.Rev. C56, 1256 (1997); Erratum Phyhs.Rev. C57, 1007 (1998) T.Eckert, O.Beck, J.Besserer, P.von Brentano, R.Fischer, R.-D.Herzberg, U.Kneissl, J.Margraf, H.Maser, A.Nord, N.Pietralla, H.H.Pitz, S.W.Yates, A.Zilges Dipole Excitations in the Transitional Nucleus 144Nd Studied in Photon Scattering Experiments NUCLEAR REACTIONS 144Nd(γ, γ'), E ≤ 4.1 MeV bremsstrahlung; measured Eγ, Iγ(θ). 144Nd deduced levels, J, π, Γ0, B(M1), B(E1), dipole strength distributions, two-phonon excitation. Nuclear resonance flourescence technique, data from other nuclei compared.
doi: 10.1103/PhysRevC.56.1256
1997HE16 Phys.Rev. C56, 2484 (1997) R.-D.Herzberg, C.Fransen, R.Fischer, O.Beck, D.Belic, J.Besserer, P.von Brentano, T.Eckert, U.Kneissl, B.Krischok, J.Margraf, H.Maser, A.Nord, N.Pietralla, H.H.Pitz, A.Wolpert, A.Zilges Observation of an Octupole × Quasiparticle Band in 175Lu using Photon Scattering Experiments NUCLEAR REACTIONS 175Lu(γ, γ'), E=2.6, 4.1 MeV bremsstrahlung; measured Eγ, Iγ. 175Lu deduced levels, J, π, branching ratios, B(E1) vs E, transition Γ, evidence for octupole vibration. Nuclear resonance fluorescence technique.
doi: 10.1103/PhysRevC.56.2484
1997PI08 Nucl.Phys. A618, 141 (1997) N.Pietralla, O.Beck, J.Besserer, P.von Brentano, T.Eckert, R.Fischer, C.Fransen, R.-D.Herzberg, D.Jager, R.V.Jolos, U.Kneissl, B.Krischok, J.Margraf, H.Maser, A.Nord, H.H.Pitz, M.Rittner, A.Schiller, A.Zilges The Scissors Mode and Other Magnetic and Electric Dipole Excitations in the Transitional Nuclei 178,180Hf NUCLEAR REACTIONS 178,180Hf(γ, γ'), E=4 MeV bremsstrahlung; measured Eγ, Iγ(θ). 178,180Hf deduced levels, J, decay widths, branching ratios, Γ0, B(λ). Scissors mode, M1 sum rules, electric dipole excitations, octupole vibrational bands, K-mixing. Nuclear resonance fluorescence technique.
doi: 10.1016/S0375-9474(97)00054-7
1996MA18 Phys.Rev. C53, 2749 (1996) H.Maser, S.Lindenstruth, I.Bauske, O.Beck, P.von Brentano, T.Eckert, H.Friedrichs, R.D.Heil, R.-D.Herzberg, A.Jung, U.Kneissl, J.Margraf, N.Pietralla, H.H.Pitz, C.Wesselborg, A.Zilges Systematics of Low-Lying Dipole Excitations in the Deformed Even-Even Nuclei 164,166,168,170Er NUCLEAR REACTIONS 164,166,168,170Er(γ, γ'), E ≤ 4.1 MeV bremsstrahlung; measured Eγ, Iγ, asymmetry. 164,166,168,170Er deduced levels, J, π, K, Γ0, B(λ). Enriched targets.
doi: 10.1103/PhysRevC.53.2749
1996MA55 Phys.Rev. C54, R2129 (1996) H.Maser, N.Pietralla, P.von Brentano, R.-D.Herzberg, U.Kneissl, J.Margraf, H.H.Pitz, A.Zilges Observation of the 1+ Scissors Mode in the γ-Soft Nucleus 134Ba NUCLEAR REACTIONS 134Ba(γ, γ'), E ≤ 4.1 MeV bremsstrahlung; measured Eγ, Iγ, σ(E, θ), γ polarization. 134Ba deduced levels, J, π, B(λ), radiative width ratios. Ge(Li) detector, Compton polarimeter. Sum rule, interacting boson model.
doi: 10.1103/PhysRevC.54.R2129
1996NO10 Phys.Rev. C54, 2287 (1996) A.Nord, A.Schiller, T.Eckert, O.Beck, J.Besserer, P.von Brentano, R.Fischer, R.-D.Herzberg, D.Jager, U.Kneissl, J.Margraf, H.Maser, N.Pietralla, H.H.Pitz, M.Rittner, A.Zilges Systematic Study of the Fragmentation of Low-Lying Dipole Strength in Odd-A Rare Earth Nuclei Investigated in Nuclear Resonance Fluorescence Experiments NUCLEAR REACTIONS 155Gd, 159Tb(γ, γ'), E ≤ 4.1 MeV bremsstrahlung; measured Eγ, Iγ. 155Gd, 159Tb deduced levels, (gΓ0), B(λ). Enriched targets. Other nuclei dipole fragmentation data considered.
doi: 10.1103/PhysRevC.54.2287
1996ZI02 Nucl.Phys. A599, 147c (1996) A.Zilges, P.von Brentano, R.-D.Herzberg, U.Kneissl, J.Margraf, H.H.Pitz Observation of Magnetic and Electric Dipole Excitations Below Neutron Threshold in Photon Scattering Experiments NUCLEAR REACTIONS 142Nd, 140Ce, 138Ba(γ, γ'), E ≤ 4.2 MeV; analyzed γ spectra. 142Nd, 140Ce, 138Ba levels deduced strong E1 transitions, configuration.
doi: 10.1016/0375-9474(96)00056-5
1995HE05 Phys.Rev. C51, 1226 (1995) R.-D.Herzberg, A.Zilges, A.M.Oros, P.von Brentano, U.Kneissl, J.Margraf, H.H.Pitz, C.Wesselborg Observation of Dipole Transitions to a 2+ (x) 3- (x) Particle Multiplet in 143Nd NUCLEAR REACTIONS 143Nd(γ, γ'), E=4.1 MeV bremsstrahlung; measured Eγ, Iγ. 143Nd levels deduced T1/2, B(λ), Γγ, summed dipole strength, configuration. Model comparison.
doi: 10.1103/PhysRevC.51.1226
1995HE25 Nucl.Phys. A592, 211 (1995) R.-D.Herzberg, I.Bauske, P.von Brentano, Th.Eckert, R.Fischer, W.Geiger, U.Kneissl, J.Margraf, H.Maser, N.Pietralla, H.H.Pitz, A.Zilges Lifetimes of Two-Phonon 1- States in Even N = 82 Nuclei NUCLEAR REACTIONS 138Ba(γ, γ'), 140Ce(γ, γ'), E=4.1 MeV bremsstrahlung; measured Eγ, Iγ. 138Ba, 140Ce deduced levels, J, decay width, branching ratios, Γ0, B(λ), T1/2, configuration. Nuclear resonance fluorescence technique. Two-phonon, 2+ (x) 3- states in N=82 nuclei reviewed.
doi: 10.1016/0375-9474(95)00303-I
1995JU01 Nucl.Phys. A584, 103 (1995) A.Jung, S.Lindenstruth, H.Schacht, B.Starck, R.Stock, C.Wesselborg, R.D.Heil, U.Kneissl, J.Margraf, H.H.Pitz, F.Steiper Electric and Magnetic Dipole Excitations to Bound States in 70,72,74,76Ge NUCLEAR REACTIONS 70,72,74,76Ge(γ, γ'), E=4, 10 MeV bremsstrahlung; 70,72,74,76Ge(polarized γ, γ'), E=9-14 MeV bremsstrahlung; measured γγ(θ), σ(θ, φ), Iγ. 70,72,74,76Ge deduced levels, J, Γ0, π, reduced transition probabilities, B(E1), B(M1). Enriched targets, partially linearly polarized beam.
doi: 10.1016/0375-9474(94)00626-X
1995MA69 Phys.Rev. C52, 2429 (1995) J.Margraf, T.Eckert, M.Rittner, I.Bauske, O.Beck, U.Kneissl, H.Maser, H.H.Pitz, A.Schiller, P.von Brentano, R.Fischer, R.-D.Herzberg, N.Pietralla, A.Zilges, H.Friedrichs Systematics of Low-Lying Dipole Strengths in Odd and Even Dy and Gd Isotopes NUCLEAR REACTIONS 160,162,164,161,163Dy, 160,156,157,158Gd(γ, γ'), E=4 MeV bremsstrahlung; measured Eγ, Iγ, γ asymmetry in some cases. 164,162,161,163,160Dy, 157Gd deduced levels, J, π, K, Γ0, B(λ). Enriched targets.
doi: 10.1103/PhysRevC.52.2429
1995PI02 Phys.Rev. C51, 1021 (1995) N.Pietralla, I.Bauske, O.Beck, P.von Brentano, W.Geiger, R.-D.Herzberg, U.Kneissl, J.Margraf, H.Maser, H.H.Pitz, A.Zilges Absolute Level Widths in 27Al Below 4 MeV NUCLEAR REACTIONS 27Al(γ, γ'), E < 4.2 MeV bremsstrahlung; measured Eγ, nuclear self absorption. 27Al deduced level widths, Γ, T1/2.
doi: 10.1103/PhysRevC.51.1021
1995PI12 Phys.Rev. C52, R2317 (1995) N.Pietralla, P.von Brentano, R.-D.Herzberg, U.Kneissl, J.Margraf, H.Maser, H.H.Pitz, A.Zilges Correlation between Low-Lying M1 and E2 Strength in Heavy Rare Earth Nuclei NUCLEAR STRUCTURE 142,146,148Nd, 144,148,150,152Sm, 154,156,158,160Gd, 160,162,164Dy, 164,166,168,170Er, 172,174,176Yb, 178Hf, 182,184,186W; analyzed B(M1); deduced deformation dependence of M1 transition strength, M1-E2 correlation, collectivity. Rare earth nuclei, scissors mode.
doi: 10.1103/PhysRevC.52.R2317
1995ZI02 Phys.Rev. C52, R468 (1995) A.Zilges, P.von Brentano, R.-D.Herzberg, U.Kneissl, J.Margraf, H.Maser, N.Pietralla, H.H.Pitz Strong Dipole Excitations Around 1.8 MeV in 238U NUCLEAR REACTIONS 238U(γ, γ'), E=1.5-2.0 MeV; measured Eγ, Iγ. 238U deduced levels, J, π, γ-multipolarity, K-quantum number, γ-branching, Γ0, T1/2, B(λ). High resolution strudy.
doi: 10.1103/PhysRevC.52.R468
1994FR03 Nucl.Phys. A567, 266 (1994) H.Friedrichs, D.Hager, P.von Brentano, R.D.Heil, R.-D.Herzberg, U.Kneissl, J.Margraf, G.Muller, H.H.Pitz, B.Schlitt, M.Schumacher, C.Wesselborg, A.Zilges Low-Lying E1 and M1 Strengths in the Deformed Nucleus 160Gd NUCLEAR REACTIONS 160Gd(γ, γ'), E=3.7 MeV bremsstrahlung; measured Eγ, Iγ, linear polarization, asymmetry. 160Gd deduced levels, J, π, K, Γ0, (Γ0)2/Γ, B(λ). Enriched target.
doi: 10.1016/0375-9474(94)90148-1
1994GE07 Nucl.Phys. A580, 263 (1994) W.Geiger, Zs.Nemeth, I.Bauske, P.von Brentano, R.D.Heil, R.-D.Herzberg, U.Kneissl, J.Margraf, H.Maser, N.Pietralla, H.H.Pitz, C.Wesselborg, A.Zilges Low-Lying Dipole Excitations in the Isotopes 113,114Cd NUCLEAR REACTIONS 113,114Cd(γ, γ'), E=4.3 MeV bremsstrahlung; measured Eγ, Iγ. 113,114Cd deduced levels, J, π, Γ0, B(E1), (Γ0)2/Γ. Enriched targets.
doi: 10.1016/0375-9474(94)90773-0
1994GO25 Phys.Lett. 335B, 113 (1994) K.Govaert, L.Govor, E.Jacobs, D.De Frenne, W.Mondelaers, K.Persyn, M.L.Yoneama, U.Kneissl, J.Margraf, H.H.Pitz, K.Huber, S.Lindenstruth, R.Stock, K.Heyde, A.Vdovin, V.Yu.Ponomarev Observation of a 1- Two Phonon 2+ (x) 3- Excitation in 116Sn and 124Sn NUCLEAR REACTIONS 116,124Sn(γ, γ'), E=4.1, 10 MeV bremsstrahlung; 116,124Sn(polarized γ, γ'), E=12 MeV bremsstrahlung; measured Eγ, Iγ, asymmetry. 116,124Sn deduced levels, J, π, γ-multipolarity, B(λ), configuration, widths, ratio. Quasiparticle RPA. Linearly polarized beam.
doi: 10.1016/0370-2693(94)91400-1
1994MO18 Phys.Rev. C50, 2222 (1994) R.Moreh, O.Beck, U.Kneissl, J.Margraf, H.Maser, H.H.Pitz, R.-D.Herzberg, N.Pietralla, A.Zilges Width of the 3841-keV Level in 17O NUCLEAR REACTIONS 17O(γ, γ'), E=4.7 MeV bremsstrahlung; measured scattering σ. 17O level deduced Γ. Enriched target.
doi: 10.1103/PhysRevC.50.2222
1994SC37 Nucl.Instrum.Methods Phys.Res. A337, 416 (1994) B.Schlitt, U.Maier, H.Friedrichs, S.Albers, I.Bauske, P.von Brentano, R.D.Heil, R.-D.Herzberg, U.Kneissl, J.Margraf, H.H.Pitz, C.Wesselborg, A.Zilges A Sectored Ge-Compton Polarimeter for Parity Assignments in Photon Scattering Experiments NUCLEAR REACTIONS 24Mg(p, p'γ), E=2.47, 6 MeV; 28Si(p, p'γ), E=3.1 MeV; 12C(p, p'γ), E=5.375 MeV; analyzed γ polarization data.
doi: 10.1016/0168-9002(94)91111-8
1994VO19 Nucl.Phys. A577, 191c (1994) P.von Brentano, A.Zilges, R.-D.Herzberg, U.Kneissl, J.Margraf, H.H.Pitz Investigation of Low Lying Electric and Magnetic Dipole Excitations in Heavy Nuclei NUCLEAR STRUCTURE A=140-185; compiled, analyzed B(λ) other data. 140Ce, 142,148,150Nd, 156,158,160Gd, 160,162,164Dy, 166,168,170Er, 172,174Yb; compiled, analyzed electric dipole strength distribution.
doi: 10.1016/0375-9474(94)90854-0
1993FR06 Nucl.Phys. A553, 553c (1993) H.Friedrichs, S.Lindenstruth, B.Schlitt, C.Wesselborg, I.Bauske, R.D.Heil, U.Kneissl, J.Margraf, H.H.Pitz, D.Hager, G.Muller, M.Schumacher, P.von Brentano, R.D.Herzberg, A.Zilges Identification of Strong E1 and M1 Groundstate Transitions in Deformed Rare Earth Nuclei NUCLEAR REACTIONS 160Gd, 162Dy(γ, γ'), E=4.3 MeV bremsstrahlung; measured γ asymmetry. 150Nd, 160Gd, 162Dy deduced transition γ-multipolarity, B(λ), levels, widths.
doi: 10.1016/0375-9474(93)90658-K
1993HE15 Nucl.Phys. A563, 445 (1993) R.-D.Herzberg, A.Zilges, P.von Brentano, R.D.Heil, U.Kneissl, J.Margraf, H.H.Pitz, H.Friedrichs, S.Lindenstruth, C.Wesselborg Investigation of Low-Lying Dipole Excitations in 182,184,186W(*) NUCLEAR REACTIONS 182,184,186W(γ, γ'), E ≈ 2.9-3.7 MeV bremsstrahlung; measured Eγ, Iγ. 182,184,186W deduced levels, J, decay width ratio, Γ0, B(λ), K. Nuclear reasonance fluorescence technique.
doi: 10.1016/0375-9474(93)90122-E
1993KN01 Phys.Rev.Lett. 71, 2180 (1993) U.Kneissl, A.Zilges, J.Margraf, I.Bauske, P.von Brentano, H.Friedrichs, R.D.Heil, R.-D.Herzberg, H.H.Pitz, B.Schlitt, C.Wesselborg First Experimental Evidence for Two-Phonon Octupole-γ-Vibrational Excitations in Deformed Nuclei NUCLEAR STRUCTURE 156,158Gd, 168Er, 172Yb; calculated levels, B(λ). 150Nd, 156,158Gd, 162,164Dy, 166,168Er, 172Yb; analyzed data; deduced two-phonon excitation role. Interacting sdf-boson approximation, dynamic collective models.
doi: 10.1103/PhysRevLett.71.2180
1993MA08 Phys.Rev. C47, 1474 (1993) J.Margraf, R.D.Heil, U.Kneissl, U.Maier, H.H.Pitz, H.Friedrichs, S.Lindenstruth, B.Schlitt, C.Wesselborg, P.von Brentano, R.-D.Herzberg, A.Zilges Deformation Dependence of Low Lying M1 Strengths in Even Nd Isotopes NUCLEAR REACTIONS 146Nd(γ, γ'), E ≈ 4 MeV; measured γ linear polarization, azimuthal asymmetry. 142,146,148,150Nd levels deduced B(λ), J, π, Γ, deformation dependence of M1 transition strengths.
doi: 10.1103/PhysRevC.47.1474
1993MO23 Phys.Rev. C48, 2625 (1993) R.Moreh, O.Beck, I.Bauske, W.Geiger, R.D.Heil, U.Kneissl, J.Margraf, H.Maser, H.H.Pitz Precise Widths of the 3089 and 3684 keV Levels in 13C NUCLEAR REACTIONS 13C(γ, γ'), E=4.7 MeV bremsstrahlung; measured precise Eγ, Iγ. 13C levels deduced Γ0. Self-absorption technique, enriched target, amorphous 13C absorbers.
doi: 10.1103/PhysRevC.48.2625
1993ZI03 Phys.Rev.Lett. 70, 2880 (1993) A.Zilges, R.-D.Herzberg, P.von Brentano, F.Donau, R.D.Heil, R.V.Jolos, U.Kneissl, J.Margraf, H.H.Pitz, C.Wesselborg First Identification of Dipole Excitations to a 2+ (x) 3- (x) Particle Multiplet in an Odd-A Nucleus NUCLEAR REACTIONS 143Nd(γ, γ'), E ≤ 4 MeV bremsstrahlung; measured Eγ, Iγ. 143Nd deduced levels, transition γ-multipolarity, B(λ), configuration.
doi: 10.1103/PhysRevLett.70.2880
1992FR02 Phys.Rev. C45, R892 (1992) H.Friedrichs, B.Schlitt, J.Margraf, S.Lindenstruth, C.Wesselborg, R.D.Heil, H.H.Pitz, U.Kneissl, P.von Brentano, R.D.Herzberg, A.Zilges, D.Hager, G.Muller, M.Schumacher Evidence for Enhanced Electric Dipole Excitations in Deformed Rare Earth Nuclei Near 2.5 MeV NUCLEAR REACTIONS 150Nd, 162Dy(γ, γ'), E ≤ 2.8 MeV bremsstrahlung; measured Eγ, Iγ, asymmetry, linear polarization. 150Nd, 162Dy deduced levels, J, π, Γ0, (Γ0)2/Γ, K-quantum number, B(λ).
doi: 10.1103/PhysRevC.45.R892
1992MA01 Phys.Rev. C45, R521 (1992) J.Margraf, C.Wesselborg, R.D.Heil, U.Kneissl, H.H.Pitz, C.Rangacharyulu, A.Richter, H.J.Wortche, W.Ziegler Saturation of B(E2) and B(M1) Strength in Actinide Nuclei NUCLEAR STRUCTURE Z=82, 126; N=126, 184; analyzed B(λ); deduced saturation features, boson g-factor differences. Shell closure, analytical formula.
doi: 10.1103/PhysRevC.45.R521
1991LI12 Nucl.Instrum.Methods Phys.Res. A300, 293 (1991) S.Lindenstruth, A.Degener, R.D.Heil, A.Jung, U.Kneissl, J.Margraf, H.H.Pitz, H.Schacht, U.Seemann, R.Stock, C.Wesselborg Measurements and Simulations of Low Energy, Thick Target Bremsstrahlung Spectra NUCLEAR REACTIONS 13C, 23Na, 27Al, 31P, 35Cl, 48Ti(γ, γ'), E=4.1 MeV bremsstrahlung; measured Eγ, Iγ. Nuclear resonance fluorescence technique, Monte Carlo simulations.
doi: 10.1016/0168-9002(91)90439-W
1990MA43 Phys.Rev. C42, 771 (1990) J.Margraf, A.Degener, H.Friedrichs, R.D.Heil, A.Jung, U.Kneissl, S.Lindenstruth, H.H.Pitz, H.Schacht, U.Seemann, R.Stock, C.Wesselborg, P.von Brentano, A.Zilges Photoexcitation of Low-Lying Dipole Transitions in 236U NUCLEAR REACTIONS 236U(γ, γ'), E=3.9 MeV bremsstrahlung; measured Eγ, Iγ, γ(θ). 236U deduced levels, (Γ02)/Γ, J, K, branching ratios.
doi: 10.1103/PhysRevC.42.771
Back to query form |