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Search: Author = R.Butsch

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1993MO28      Nucl.Instrum.Methods Phys.Res. A334, 437 (1993)

C.P.Montoya, S.Schadmand, R.Varma, P.H.Zhang, R.Butsch, I.Dioszegi, D.J.Hofman, P.Paul

An Electron-Positron Pair Spectrometer for High Energy Decays of Nuclei

RADIOACTIVITY 8Li(β-) [from 7Li(d, p)]; measured β-decay end point energy; deduced detector calibration. Segmented phoswich plastic scintillator array (e+, e-) pair spectrometer.

NUCLEAR REACTIONS 19F(p, α), E=5.2 MeV; measured Eγ, Iγ, for GDR region in 20Ne; deduced spectrometer efficiency. Segmented phoswich plastic scintillator array (e+, e-) pair spectrometer.

doi: 10.1016/0168-9002(93)90805-R
Citations: PlumX Metrics

1991BU08      Phys.Rev. C44, 1515 (1991)

R.Butsch, D.J.Hofman, C.P.Montoya, P.Paul, M.Thoennessen

Time Scales for Fusion-Fission and Quasifission from Giant Dipole Resonance Decay

NUCLEAR REACTIONS 208Pb(16O, F), E=120, 140 MeV; 196Pt(24Mg, F), E=150 MeV; W(28Si, F), E=185 MeV; measured fission (fragment)γ-coin, γ(θ), anisotropy; deduced fission σ, fission time, friction coefficient. 224,226Th deduced fissility parameters.

doi: 10.1103/PhysRevC.44.1515
Citations: PlumX Metrics

1990BU05      Phys.Rev. C41, 1530 (1990)

R.Butsch, M.Thoennessen, D.R.Chakrabarty, M.G.Herman, P.Paul

Nuclear Deformation in Excited Pb Isotopes from Giant Dipole γ-Ray-Fission Angular Correlations

NUCLEAR REACTIONS 181Ta(19F, X), (19F, F), E=105, 141 MeV; measured Eγ, Iγ, fission (fragment)γ-coin. 200Pb deduced GDR energy, width, deformation parameter. Statistical model analysis.

doi: 10.1103/PhysRevC.41.1530
Citations: PlumX Metrics

1990LE19      J.Phys.(London) G16, 1493 (1990)

H.Leucker, K.Becker, K.Blatt, R.Butsch, H.J.Jansch, W.Ott, H.Reich, H.G.Volk, D.Fick

Analysis of the Quasielastic Scattering of Polarized 23Na from 90Zr

NUCLEAR REACTIONS 90Zr(polarized 23Na, 23Na), (polarized 23Na, 23Na'), E=110 MeV; measured quasielastic σ(θ), tensor analyzing power vs θ. 23Na(e, e), E not given; calculated form factor. Coupled-channels analysis.

doi: 10.1088/0954-3899/16/10/012
Citations: PlumX Metrics

1989LE05      Phys.Rev.Lett. 62, 2241 (1989)

H.Leucker, K.Becker, K.Blatt, W.Korsch, W.Luck, H.Reich, H.G.Volk, D.Fick, R.Butsch, H.-J.Jansch, Z.Moroz

Elastic and Quasielastic Scattering of 110-MeV Polarized 23Na from 90Zr

NUCLEAR REACTIONS 90Zr(polarized 23Na, 23Na), (polarized 23Na, 23Na'), E=110 MeV; measured σ(θ), tensor analyzing powers. Coupled-channels analysis.

doi: 10.1103/PhysRevLett.62.2241
Citations: PlumX Metrics

1989LE18      Phys.Lett. 223B, 277 (1989)

H.Leucker, K.Becker, K.Blatt, W.Korsch, W.Luck, H.G.Volk, D.Fick, R.Butsch, H.J.Jansch, H.Reich, Z.Moroz

Quasielastic Scattering and Subbarrier Fusion of Aligned 23Na with 206Pb

NUCLEAR REACTIONS 206Pb(polarized 23Na, 23Na), (polarized 23Na, X), E=99.7-162.4 MeV; measured σ(θ), fusion analyzing power, fusion σ(E); deduced potential parameters. Local, energy dependent potentials.

doi: 10.1016/0370-2693(89)91601-8
Citations: PlumX Metrics

1989VO07      Nucl.Instrum.Methods Phys.Res. A279, 443 (1989)

H.-G.Volk, H.Leucker, K.Becker, K.Blatt, W.Korsch, W.Luck, H.Reich, G.Tungate, D.Fick, R.Butsch, H.J.Jansch, E.Steffens, A.Weller

A Coulomb Polarimeter for Polarized Heavy-Ion Beams

NUCLEAR REACTIONS 208Pb(polarized 23Na, 23Na'), E=86-107 MeV; measured tensor polarization vs θ following Coulomb excitation. Polarized heavy-ion Coulomb polarimeter.

doi: 10.1016/0168-9002(89)91291-6
Citations: PlumX Metrics

1989VO10      Phys.Rev. C40, R2441 (1989)

R.J.Vojtech, R.Butsch, V.M.Datar, M.G.Herman, R.L.McGrath, P.Paul, M.Thoennessen

High Energy Photon Production in Low Energy 12C + 112,124Sn Collisions

NUCLEAR REACTIONS 112,124Sn(12C, X), E=7.5, 10.5 MeV/nucleon; measured γ yield, σ(θγ, Eγ); deduced source velocity, γ yield isotopic dependence. Statistical model calculations.

doi: 10.1103/PhysRevC.40.R2441
Citations: PlumX Metrics

1988BL01      Z.Phys. A329, 103 (1988)

K.Blatt, K.Becker, B.Heck, H.Jansch, H.Leucker, D.Fick, R.Caplar, R.Butsch, K.-H.Mobius, W.Ott, P.Paul, E.Steffens, J.Pochodzalla, G.Tungate

23Na + 23Na Fusion with Unpolarized and Aligned Beams

NUCLEAR REACTIONS, ICPND 23Na(23Na, X), E=80-177 MeV; measured fusion σ(E), σ(θ), σ(A), tensor analyzing power. Tof, unpolarized, aligned beams. Model calculations.

1988CH11      Phys.Rev. C37, 1437 (1988)

D.R.Chakrabarty, M.Thoennessen, S.Sen, P.Paul, R.Butsch, M.G.Herman

Giant Dipole Resonances in Excited Er Isotopes

NUCLEAR REACTIONS 141Pr(19F, X), E=94.1, 96.5, 111.1, 129 MeV; measured γ spectra. 160Er deduced GDR energies, widths, deformation parameters, shape evolution. Statistical model analysis.

doi: 10.1103/PhysRevC.37.1437
Citations: PlumX Metrics

1988MO31      Nucl.Phys. A486, 133 (1988)

Z.Moroz, K.Rusek, I.M.Turkiewicz, R.Butsch, H.Jansch, W.Ott, E.Steffens, K.Becker, K.Blatt, D.Fick, H.Leucker, G.Tungate, G.Grawert

Semiclassical Description of Analyzing Powers in One-Nucleon Transfer Reactions Induced by 44 MeV Polarized 7Li Ions on 120Sn

NUCLEAR REACTIONS 120Sn(polarized 7Li, 6Li), E=44 MeV; measured σ(θ), transversal analyzing power, T20, T21. Semiclassical analysis.

doi: 10.1016/0375-9474(88)90043-7
Citations: PlumX Metrics

1988OT01      J.Phys.(London) G14, L7 (1988)

W.Ott, R.Butsch, H.Jansch, G.Tungate, E.Steffens, K.Becker, K.Blatt, H.Leucker, D.Fick, J.Gomez-Camacho, R.C.Johnson

Tidal Symmetry in Scattering of Polarised 7Li Projectiles

NUCLEAR REACTIONS 26Mg(polarized 7Li, 7Li), E=44 MeV; calculated σ(θ), analyzing powers. Tidal symmetry.

doi: 10.1088/0305-4616/14/1/002
Citations: PlumX Metrics

1988OT08      Nucl.Phys. A489, 329 (1988)

W.Ott, R.Butsch, H.J.Jansch, K.-H.Mobius, P.Paul, G.Tungate, E.Steffens, K.Rusek, Z.Moroz, I.M.Turkiewicz, K.Becker, K.Blatt, H.Leucker, D.Fick

Elastic and Inelastic Scattering of Polarized 7Li Ions from a 26Mg Target

NUCLEAR REACTIONS 26Mg(polarized 7Li, 7Li), (polarized 7Li, 7Li'), E=44 MeV; measured σ(θ), analyzing powers (τ)T10(θ), (τ)T20(θ), T20(θ), T21(θ), (τ)T30(θ).

doi: 10.1016/0375-9474(88)90156-X
Citations: PlumX Metrics

1988TH01      Phys.Rev. C37, 1762 (1988)

M.Thoennessen, D.R.Chakrabarty, R.Butsch, M.G.Herman, P.Paul, S.Sen

Onset of Deformation in Pb Isotopes at High Excitation Energies

NUCLEAR REACTIONS 181Ta(19F, X), E=93, 105 MeV; measured Eγ, Iγ. 200Pb deduced GDR, width, deformation parameter, shape transition. Statistical model.

doi: 10.1103/PhysRevC.37.1762
Citations: PlumX Metrics

1988TU06      Nucl.Phys. A486, 152 (1988)

I.M.Turkiewicz, Z.Moroz, K.Rusek, I.J.Thompson, R.Butsch, D.Kramer, W.Ott, E.Steffens, G.Tungate, K.Becker, K.Blatt, H.J.Jansch, H.Leucker, D.Fick

Study of the One-Neutron Transfer Reactions Induced by Polarized 7Li on 26Mg and 120Sn

NUCLEAR REACTIONS 26Mg(polarized 7Li, 6Li), 120Sn(polarized 7Li, 6Li), (polarized 7Li, 8Li), E=44 MeV; measured σ(θ), transversal analyzing powers, T20, T21; deduced reaction mechanism, model parameters. 27Mg, 121Sn levels deduced spectroscopic factors. Finite range DWBA, CCBA analysis.

doi: 10.1016/0375-9474(88)90044-9
Citations: PlumX Metrics

1987BU16      Phys.Rev. C36, 1351 (1987)

R.Butsch, H.Jansch, D.Kramer, K.-H.Mobius, W.Ott, E.Steffens, G.Tungate, A.Weller, K.Becker, K.Blatt, H.Leucker, W.Luck, D.Fick, P.Paul

Fusion Evaporation and Fusion-Fission with Aligned 23Na Ions at Energies near and below the Fusion Barrier

NUCLEAR REACTIONS, ICPND 48Ti(polarized 23Na, X), E=48-72.5 MeV; measured σ(fragment θ); 206Pb(polarized 23Na, F), E=108-120 MeV; measured fission fragment σ(θ); deduced fusion σ(E), T20(E), barrier parameters. Coupled-channels calculations.

doi: 10.1103/PhysRevC.36.1351
Citations: PlumX Metrics

1987TH07      Phys.Rev.Lett. 59, 2860 (1987)

M.Thoennessen, D.R.Chakrabarty, M.G.Herman, R.Butsch, P.Paul

Giant Dipole Resonance in Highly Excited Thorium: Evidence for strong fission hindrance

NUCLEAR REACTIONS 208Pb(16O, X), E=100, 120, 140 MeV; measured Eγ, Iγ, σ(Eγ), γ(θ), yield ratios. 224Th deduced giant dipole resonance, level density parameters, fission hindrance factors.

doi: 10.1103/PhysRevLett.59.2860
Citations: PlumX Metrics

1986BL08      Phys.Rev.Lett. 57, 819 (1986)

K.Blatt, K.Becker, B.Heck, H.Jansch, H.Leucker, D.Fick, R.Caplar, R.Butsch, D.Kramer, K.-H.Mobius, Z.Moroz, W.Ott, P.Paul, E.Steffens, G.Tungate, I.M.Turkiewicz, A.Weller

Limitation of Heavy-Ion Fusion: Fusion of aligned 23Na with 23Na

NUCLEAR REACTIONS 23Na(23Na, X), (polarized 23Na, X), E(cm)=40-88.5 MeV; measured fusion σ(E), tensor analyzing power vs E; deduced reaction mechanism.

doi: 10.1103/PhysRevLett.57.819
Citations: PlumX Metrics

1986BU15      Phys.Rev.Lett. 57, 2002 (1986)

R.Butsch, H.Jansch, D.Kramer, K.-H.Mobius, Z.Moroz, W.Ott, K.Rusek, E.Steffens, R.Suntz, G.Tungate, I.Turkiewicz, A.Weller, K.Becker, K.Blatt, D.Fick, H.Leucker, W.Luck, P.Paul

Subbarrier Fusion with Aligned 23Na Ions

NUCLEAR REACTIONS, ICPND 48Ti(polarized 23Na, X), E=48-72.5 MeV; 208Pb(polarized 23Na, X), E=108-120 MeV; measured fragment energy vs mass spectrum, fusion σ(E); deduced second rank tensor analyzing power vs E. (δE-E) Si telescopes, TOF. Coupled-channels calculations.

doi: 10.1103/PhysRevLett.57.2002
Citations: PlumX Metrics

1986PO12      Phys.Lett. 181B, 33 (1986)

J.Pochodzalla, R.Butsch, B.Heck, G.Rosner

Influence of Limiting Angular Momenta on Complete and Incomplete Fusion-Evaporation Residue Cross Sections

NUCLEAR REACTIONS, MECPD 40Ca(23Na, X), E=260, 287 MeV; 40Ca(28Si, X), E=298, 327 MeV; measured velocity distributions, fusion like evaporation residues σ; deduced limiting angular momenta. Tof spectrometer.

doi: 10.1016/0370-2693(86)91249-9
Citations: PlumX Metrics

1986TU01      J.Phys.(London) G12, 1001 (1986)

G.Tungate, D.Kramer, R.Butsch, O.Karban, K.H.Mobius, W.Ott, P.Paul, A.Weller, E.Steffens, K.Becker, K.Blatt, D.Fick, B.Heck, H.Jansch, H.Leucker, K.Rusek, I.M.Turkiewicz, Z.Moroz

Elastic and Inelastic Scattering of Polarized 7Li from 120Sn

NUCLEAR REACTIONS 120Sn(polarized 7Li, 7Li), (polarized 7Li, 7Li'), E=44 MeV; measured σ(θ), analyzing power vs θ. Polarimeter, ΔE, E counters. Coupled channels calculations.

doi: 10.1088/0305-4616/12/10/011
Citations: PlumX Metrics

1985BU08      Nucl.Instrum.Methods 228, 586 (1985)

R.Butsch, J.Pochodzalla, B.Heck

A Direct Observation of Plasma Delay in Silicon Surface Barrier Detectors

NUCLEAR REACTIONS 13C(28Si, X), E=327 MeV; measured σ(fragment θ, E). Tof spectrometer.

doi: 10.1016/0168-9002(85)90311-0
Citations: PlumX Metrics

1985PO07      Nucl.Instrum.Methods 234, 97 (1985)

J.Pochodzalla, R.Butsch, B.Heck, G.Hlawatsch, A.Miczaika, H.J.Rabe, G.Rosner

A Three Dimensionally Position Sensitive Large Area Detector

NUCLEAR REACTIONS Ca, O(19F, X), E=103 MeV; measured fragment range vs E for X=p, α, Li, Be, B, C, N, O, F, Ne, Na, Mg.

doi: 10.1016/0168-9002(85)90813-7
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1985RO01      Phys.Lett. 150B, 87 (1985)

G.Rosner, J.Pochodzalla, B.Heck, G.Hlawatsch, A.Miczaika, H.J.Rabe, R.Butsch, B.Kolb, B.Sedelmeyer

Complete and Incomplete Fusion in 19F + 40Ca and 32S + 27Al

NUCLEAR REACTIONS 40Ca(19F, X), E=41-216 MeV; 27Al(32S, X), E=142-393 MeV; measured evaporation residue σ(E), mass, velocity distributions.

doi: 10.1016/0370-2693(85)90144-3
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