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NSR database version of April 26, 2024.

Search: Author = K.Wienhard

Found 26 matches.

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1984BE26      Phys.Lett. 140B, 191 (1984)

U.E.P.Berg, K.Ackermann, K.Bangert, C.Blasing, W.Naatz, R.Stock, K.Wienhard, M.K.Brussel, T.E.Chapuran, B.H.Wildenthal

Bound State M1 Transitions in sd-Shell Nuclei

NUCLEAR REACTIONS ^20,22Ne, ²⁴Mg, ^28,30Si, ^32,34S(γ, γ'), E=65 MeV bremsstrahlung; ²⁶Mg(γ, γ'), E not given; measured Eγ, Iγ. ²²Ne, ²⁶Mg, ^28,30Si, ^32,34S(polarized γ, γ), E=22 MeV bremsstrahlung; measured γ asymmetry, polarization effect. ^20,22Ne, ^24,26Mg, ^28,30Si, ^32,34S levels deduced B(M1), (Γ₀/Γ), Γ₀. Nuclear resonance fluorescence technique, linearly polarized γ-beam. Shell model comparison.

doi: 10.1016/0370-2693(84)90918-3
Citations: PlumX Metrics

1984CA34      Phys.Lett. 146B, 179 (1984)

J.R.Calarco, J.Arruda-Neto, K.A.Griffioen, S.S.Hanna, D.H.H.Hoffmann, B.Neyer, R.E.Rand, K.Wienhard, M.R.Yearian

Observation of Monopole Strength in the ¹²C(e, e'p₀)¹¹B Reaction

NUCLEAR REACTIONS ¹²C(e, e'p), E=86, 118, 126 MeV; measured σ(E(e'), θ(e'), θp), forward, backward asymmetry. ¹²C deduced possible monopole resonance, EWSR.

doi: 10.1016/0370-2693(84)91012-8
Citations: PlumX Metrics

1983BE19      Phys.Rev. C27, 2981 (1983)

U.E.P.Berg, K.Ackermann, K.Bangert, R.Stock, K.Wienhard

11262 keV 1⁺ State in ²⁰Ne

NUCLEAR REACTIONS ²⁰Ne(γ, γ'), E < 18 MeV bremsstrahlung; measured Eγ, Iγ. ²⁰Ne deduced level, relative γ-branching. Natural Ne target.

doi: 10.1103/PhysRevC.27.2981
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1982BA03      Nucl.Phys. A376, 15 (1982)

K.Bangert, U.E.P.Berg, G.Junghans, R.Stock, K.Wienhard

Charged Photoparticles from the ¹⁸O Giant Resonances

NUCLEAR REACTIONS ¹⁸O(γ, p), (γ, d), (γ, t), (γ, α), E=24, 32 MeV bremsstrahlung; measured σ(Ep), σ(Ed), σ(Et), σ(Eα); deduced σ(Eγ, θ) following t, α emission. ¹⁸O deduced giant resonance decay characteristics.

doi: 10.1016/0375-9474(82)90530-9
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0242.

1982RA21      Z.Phys. A308, 63 (1982)

R.Ratzek, W.Wilke, J.Drexler, R.Fischer, R.Heil, K.Huber, U.Kneissl, H.Ries, H.Stroher, R.Stock, K.Wienhard

Photofission with Linearly Polarized Photons

NUCLEAR REACTIONS ²³²Th(polarized γ, F), (γ, F), E=10, 12 MeV bremsstrahlung; measured fission σ(fragment θ), asymmetry. ²³²Th deduced E1 excitation role in fission. Linearly polarized beam, parallel plate avalanche detectors.

doi: 10.1007/BF01415850
Citations: PlumX Metrics

1982WI06      Phys.Rev.Lett. 49, 18 (1982)

K.Wienhard, K.Ackermann, K.Bangert, U.E.P.Berg, C.Blasing, W.Naatz, A.Ruckelshausen, D.Ruck, R.K.M.Schneider, R.Stock

Parity of Bound Dipole States in ²⁰⁸Pb

NUCLEAR REACTIONS ²⁰⁸Pb(polarized γ, γ), E=10 MeV bremsstrahlung; measured Eγ, Iγ, asymmetry. ²⁰⁸Pb deduced level, J, π, B(M1), Γ₀²/Γ. Linearly polarized beam.

doi: 10.1103/PhysRevLett.49.18
Citations: PlumX Metrics

1981AC02      Nucl.Phys. A372, 1 (1981)

K.Ackermann, K.Bangert, U.E.P.Berg, G.Junghans, R.K.M.Schneider, R.Stock, K.Wienhard

Ground State Dipole Transitions in ⁵⁸Ni

NUCLEAR REACTIONS ⁵⁸Ni, ²⁰⁸Pb(γ, γ), E < 10 MeV; measured σ(θ). ⁵⁸Ni deduced levels, J, π, Γγ, E1, M1 transition strength. ²⁰⁸Pb levels deduced Γγ. Enriched targets, nuclear resonance fluorescence technique.

doi: 10.1016/0375-9474(81)90082-8
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1981BE32      Phys.Lett. 103B, 301 (1981)

U.E.P.Berg, D.Ruck, K.Ackermann, K.Bangert, C.Blasing, K.Kobras, W.Naatz, R.K.M.Schneider, R.Stock, K.Wienhard

Parities of Dipole Ground-State Transitions in ⁵²Cr

NUCLEAR REACTIONS ⁵²Cr(polarized γ, γ), E=7-9 MeV bremsstrahlung; measured Eγ, Iγ, asymmetry. ⁵²Cr deduced strong E1 transitions, B(M1) limit. Nuclear resonance fluorescence technique.

doi: 10.1016/0370-2693(81)90228-8
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1981WI09      Phys.Rev. C24, 1363 (1981)

K.Wienhard, R.K.M.Schneider, K.Ackermann, K.Bangert, U.E.P.Berg, R.Stock

¹⁶O(γ, p)¹⁵N Reaction with Linearly Polarized Photons

NUCLEAR REACTIONS ¹⁶O(polarized γ, p), E=15-25 MeV bremsstrahlung; measured σ(Ep), analyzing power vs θ. ¹⁶O levels deduced π, proton decay amplitudes.

doi: 10.1103/PhysRevC.24.1363
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1981WI12      Z.Phys. A302, 185 (1981)

K.Wienhard, C.Blasing, K.Ackermann, K.Bangert, U.E.P.Berg, K.Kobras, W.Naatz, D.Ruck, R.K.M.Schneider, R.Stock

Parities of Strong Dipole Ground State Transitions in ⁸⁸Sr

NUCLEAR REACTIONS ⁸⁸Sr(polarized γ, γ), E=16 MeV bremsstrahlung; measured asymmetry. ⁸⁸Sr levels deduced π. Nuclear resonance fluorescence technique, enriched targets.

doi: 10.1007/BF01413049
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1979BE10      Nucl.Phys. A318, 453 (1979)

U.E.P.Berg, K.Wienhard

Nuclear Resonance Fluorescence in ²²Ne

NUCLEAR REACTIONS ²²Ne(γ, γ), E < 18 MeV; measured Eγ, σ(γ, γ). ²²Ne deduced T_1/2, Γγ0, B(M1) values. Enriched target.

doi: 10.1016/0375-9474(79)90659-6
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1979JU02      Z.Phys. A291, 353 (1979)

G.Junghans, K.Bangert, U.E.P.Berg, R.Stock, K.Wienhard

The Photodisintegration of ⁶Li and ⁷Li

NUCLEAR REACTIONS ⁶Li(γ, p), (γ, d), (γ, t), (γ, α), E(max)=30, 35 MeV; ⁷Li(γ, p), (γ, d), (γ, t), (γ, α), E(max)=28, 40, 50 MeV from bremsstrahlung; measured σ(θ). ⁷Li(γ, pd), (γ, αd), (γ, dt), (γ, d³He), (γ, pt), (γ, αp), E(max)=40 MeV; measured pd-, αd-, dt-, d³He-, pt-, αp-coin; deduced reaction mechanism.

doi: 10.1007/BF01408386
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0225.

1978BE46      Nucl.Phys. A306, 178 (1978)

U.E.P.Berg, K.Bangert, G.Junghans, R.Stock, K.Wienhard

Lifetimes of Highly Excited States in ³⁴S from Nuclear Resonance Fluorescence

NUCLEAR REACTIONS ³⁴S(γ, γ), E < 18 MeV; measured Eγ, σ(γ, γ). ³⁴S deduced mean lives, Γγ0, B(M1) values. Enriched target.

doi: 10.1016/0375-9474(78)90321-4
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1977CA21      Phys.Rev.Lett. 39, 925 (1977)

J.R.Calarco, S.W.Wissink, M.Sasao, K.Wienhard, S.S.Hanna

Structure in the Giant Dipole Resonance of ¹⁶O: Evidence for a Secondary Doorway State from Polarized-Proton Capture

NUCLEAR REACTIONS ¹⁵N(polarized p, γ); measured σ. ¹⁶O deduced doorway state, parameters in GDR region.

doi: 10.1103/PhysRevLett.39.925
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1977WI03      Nucl.Phys. A280, 109 (1977)

K.Wienhard, K.Bangert, U.E.P.Berg, G.Junghans, R.Stock, H.Wolf

Angular Distributions of Protons from the ²⁶Mg(γ, p) Reaction between E(x) = 16 and 23 MeV

NUCLEAR REACTIONS ²⁶Mg(γ, p), E=16-23 MeV; measured σ(γ, p, θ). Enriched target.

doi: 10.1016/0375-9474(77)90297-4
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1976BA14      Nucl.Phys. A261, 149 (1976)

K.Bangert, U.E.P.Berg, G.Junghans, R.Stock, K.Wienhard, H.Wolf

A Comparative Study of the Electric Giant Dipole Resonance of ^24-26Mg

NUCLEAR REACTIONS ^24,25Mg(γ, p), (γ, α), ²⁵Mg(γ, d), ^24,25,26Mg(γ, γ'), E < 30 MeV; measured particle spectra, σ(E, Ep), σ(E, Eα), σ(E, Ed). ^24,25,26Mg GDR deduced particle-hole, isospin configurations. Enriched targets.

doi: 10.1016/0375-9474(76)90047-6
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1976BA41      Z.Phys. A278, 295 (1976)

K.Bangert, U.E.P.Berg, K.Wienhard, H.Wolf

The Decay of the ¹⁸O Giant Dipole Resonance to Excited Residual Nuclear States

NUCLEAR REACTIONS ¹⁸O(γ, X), E=23.5, 28 MeV bremsstrahlung; measured prompt γ spectrum. ¹⁸O GDR deduced decay to levels in ¹⁷N, ^17,16O, ¹⁴C.

doi: 10.1007/BF01409182
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1975BE14      Phys.Rev. C11, 1851 (1975)

U.E.P.Berg, K.Wienhard, H.Wolf

Resonance Fluorescence of Giant Magnetic Dipole States in ²⁴Mg

NUCLEAR REACTIONS ²⁴Mg(γ, γ), E < 23.5 MeV bremsstrahlung; measured Eγ, Iγ. ²⁴Mg deduced levels, level-width, γ-branching.

doi: 10.1103/PhysRevC.11.1851
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1974WI12      Z.Phys. 270, 93 (1974)

K.Wienhard, K.Bangert, R.Stock, H.Wolf

Photoproton Spectrum from Carbon with Good Energy Resolution

NUCLEAR REACTIONS ¹²C(γ, p), E=31 MeV bremsstrahlung; measured σ(E, Ep). ¹²C giant resonances deduced fragmentation, level-width.

doi: 10.1007/BF01677439
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1974WO03      Phys.Lett. 50B, 244 (1974)

H.Wolf, U.Berg, K.Wienhard

The Decay of the Giant Dipole Resonance in ²⁶Mg to T = 3/2 States of ²⁵Mg

NUCLEAR REACTIONS ²⁶Mg(γ, nγ'), E=0-30 MeV; measured Eγ', Iγ'. ²⁶Mg GDR deduced T-splitting questionable.

doi: 10.1016/0370-2693(74)90549-8
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1974WO08      Nucl.Phys. A234, 365 (1974)

H.Wolf, R.Stock, U.E.P.Berg, K.Wienhard

Charged Particles from the Giant Dipole Resonance of ²⁶Mg

NUCLEAR REACTIONS ²⁶Mg(γ, p), (γ, α), E < 23.5 MeV; measured σ(E, Ep), σ(E, Eα); deduced total σ. ²⁶Mg GDR deduced isospin effects.

doi: 10.1016/0375-9474(74)90569-7
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0833.

1972WI26      Z.Phys. 256, 457 (1972)

K.Wienhard, G.Clausnitzer, G.Hartmann

Phase Shift Analysis of Elastic Proton Scattering by ¹²C

NUCLEAR REACTIONS ¹²C(p, p), E=9.95-10.90 MeV; measured σ(E;θ), P(E;θ); deduced phase shifts. ¹³N deduced resonances, J, π, level-width.

doi: 10.1007/BF01386991
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1367.

1969CL01      Phys.Rev.Letters 22, 793(1969)

G.Clausnitzer, G.Graw, C.F.Moore, K.Wienhard

An Anomaly in the Analyzing Power of ⁹⁰Zr(d, p₀)⁹¹Zr

NUCLEAR REACTIONS ⁹⁰Zr(vector-polarized d, p₀), E=6-9 MeV; measured σ(E; θ=170°), vector analyzing power (E; θ).

doi: 10.1103/PhysRevLett.22.793
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1969GR01      Phys.Letters 28B, 583 (1969)

G.Graw, G.Clausnitzer, R.Fleischmann, K.Wienhard

Spin Determination of Isobaric Analogue States in N = 85 and 87 Nuclei By Elastic Scattering of Polarized Protons

NUCLEAR REACTIONS ¹⁴²Ce, ¹⁴⁴Nd, ¹⁴⁶Nd(polarized p, p), E=9.745, 9.95, 10.16 MeV; measured analyzing power A(E;θ). ¹⁴³Pr, ^145,147Pm deduced resonances, J.

doi: 10.1016/0370-2693(69)90190-7
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1969GR25      Phys.Letters 30B, 465 (1969)

G.Graw, G.Clausnitzer, H.Clement, K.Wienhard, R.Fleischmann

Inelastic Scattering of Polarized Protons Through Isobaric Analogue Resonances in ⁹¹Nb

NUCLEAR REACTIONS ⁹⁰Zr(polarized p, p'), E = 8.2-8.7 MeV; measured P(E;θ), σ(E;θ); deduced nonresonant scattering amplitude. ⁹¹Nb deduced isobaric analog resonance, level-width.

doi: 10.1016/0370-2693(69)90172-5
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1969WI15      Z.Physik 228, 129 (1969)

K.Wienhard, G.Clausnitzer, G.Graw, R.Fleischmann

Untersuchung isobarer Analogresonanzen oberhalb der N = 50-Schale mit polarisierten Protonen

NUCLEAR REACTIONS ⁸⁸Sr, ^90,92,94Zr(polarized p, p), E = 5-8.5 MeV; measured σ (E; θ). ⁸⁹Y, ^91,93,95Nb deduced resonances, J, π, level-width, isobaric analog.

doi: 10.1007/BF01397534
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