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Search: Author = H.Puchta

Found 27 matches.

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1986SO10      Phys.Rev. C34, 917 (1986)

L.G.Sobotka, D.G.Sarantites, H.Puchta, F.A.Dilmanian, M.Jaaskelainen, M.L.Halbert, J.H.Barker, J.R.Beene, R.L.Ferguson, D.C.Hensley, G.R.Young

Particle-Bound Excited State Yields Produced in the Reaction of 181 MeV 19F + 159Tb

NUCLEAR REACTIONS 159Tb(19F, X), E=181 MeV; measured (particle)γ-coin for X=10Be, 11,12B, 12,13,14C, 14,15,17N, 16,17,18O; deduced particle-bound ejectile yields. 10Be, 11,12B, 12,13,14C, 14,15,17N, 16,17,18O deduced excited state population.

doi: 10.1103/PhysRevC.34.917
Citations: PlumX Metrics


1985CE01      Nucl.Phys. A432, 421 (1985)

A.Celler, Ch.Briancon, J.S.Dionisio, A.Lefebvre, Ch.Vieu, J.Zylicz, R.Kulessa, C.Mittag, J.Fernandez-Niello, Ch.Lauterbach, H.Puchta, F.Riess

Yrast Levels of 220Ra Populated in the 208Pb(14C, 2n) Reaction

NUCLEAR REACTIONS, ICPND 208Pb(14C, 2nγ), (14C, 3n), (14C, 4n), (14C, 5n), E=60-83 MeV; measured Eγ, Iγ, γγ-, (ce)γ-coin, I(ce); deduced σ(E) for 220,219,218,217Ra production. 220Ra deduced levels J, π, B(E1)/B(E2) ratios, ICC. Ge(Li), Ge detectors, electron spectrometer, enriched targets, pulsed beam.

doi: 10.1016/0375-9474(85)90252-0
Citations: PlumX Metrics


1985RI01      Phys.Rev. C31, 133 (1985)

R.Ritzka, W.Dunnweber, A.Glaesner, W.Hering, H.Puchta, W.Trautmann

Deep-Inelastic Reactions of 16O + 48Ti at 100 MeV

NUCLEAR REACTIONS 48Ti(16O, X), E=100 MeV; measured σ(fragment θ, E) for fragment Z=4-15; deduced scission configuration. Enriched target, heavy ion telescopes. Semi-classical analysis.

doi: 10.1103/PhysRevC.31.133
Citations: PlumX Metrics


1984AU13      Z.Phys. A318, 323 (1984)

H.Auer, J.Fernandez-Niello, H.Puchta, F.Riess

Levels in 160Yb from the Radioactive Decay of 160Lu

RADIOACTIVITY 160Lu(β+), (EC) [from 144Sm(19F, 3n), E=85 MeV]; measured T1/2, γγ-, (X-ray)γ-coin, I(ce), σ(Eγ). 160Lu deduced β-decaying levels, T1/2, isomer configuration. 160Yb deduced levels, γ-branching, K-shell ICC, band structure, γ-multipolarity, J, π.

doi: 10.1007/BF01418090
Citations: PlumX Metrics


1984DU05      Phys.Rev.Lett. 52, 1405 (1984)

W.Dunnweber, W.Hering, H.Puchta, R.Ritzka, W.Trautmann, W.Trombik, C.Egelhaaf

Characteristics of Angular Momentum Relaxation in 20Ne + 168Er Collisions at 13.5 MeV/u

NUCLEAR REACTIONS 168Er(20Ne, X), E=13.5 MeV/nucleon; measured γ CP, γ-multiplicity, anisotropy, γ(fragment)-coin; deduced angular momentum transfer, breakup, frictional processes role.

doi: 10.1103/PhysRevLett.52.1405
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1984RO20      Nucl.Phys. A426, 379 (1984)

N.Roy, D.J.Decman, H.Kluge, K.H.Maier, A.Maj, C.Mittag, J.Fernandez-Niello, H.Puchta, F.Riess

Spectroscopy of High-Spin States in 217Ra

NUCLEAR STRUCTURE 217Ra; calculated levels. Shell model.

NUCLEAR REACTIONS 208Pb(12C, 3n), (13C, 4n), E=65-84 MeV; measured γ(θ), Eγ, Iγ, γγ-, (ce)(ce)-coin. 217Ra deduced levels, J, π, B(λ) ratios, T1/2. Enriched targets, Ge, Ge(Li), Si-Li detectors, superconducting solenoid.

doi: 10.1016/0375-9474(84)90113-1
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1984TR06      Nucl.Phys. A422, 418 (1984)

W.Trautmann, W.Dunnweber, W.Hering, C.Lauterbach, H.Puchta, R.Ritzka, W.Trombik

Spin Polarization in 16O-Induced Heavy-Ion Reactions

NUCLEAR REACTIONS 27Al, 48Ti, 58,62Ni(16O, X), E=100 MeV; measured γ CP; deduced fragment spin polarization, scattering angle sign for fragment Z=5-10. Enriched targets, heavy-ion telescopes, γ-ray circular polarimeters, NaI(Tl) detectors. Classical trajectory calculations.

doi: 10.1016/0375-9474(84)90525-6
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1983GA16      Phys.Scr. T5, 178 (1983)

J.J.Gaardhoje, J.D.Garrett, G.B.Hagemann, B.Herskind, A.Holm, P.Nolan, G.Sletten, J.R.Beene, M.L.Halbert, D.C.Hensley, I.Y.Lee, F.Plasil, F.A.Dilmanian, M.Jaaskelainen, H.Puchta, D.G.Sarantites, R.Woodward, Th.Lindblad

High Spin Phenomena in the Mass 100-200 Region Seen through the Crystal Ball

NUCLEAR REACTIONS 112,114Cd, 96Zr, 135Ba, 124Sn(50Ti, X), E=230 MeV; measured entry region γ-spectra average properties; deduced γ-ray fold distribution mass dependence. 166,164,162,160,156Yb deduced γ-ray fold distribution neutron dependence. Spin spectrometer.

doi: 10.1088/0031-8949/1983/T5/034
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1983HA28      Phys.Scr. T5, 91 (1983)

M.L.Halbert, J.H.Barker, J.R.Beene, R.L.Ferguson, D.C.Hensley, G.R.Young, F.A.Dilmanian, M.Jaaskelainen, H.Puchta, D.G.Sarantites, R.Woodward

Heavy-Ion Reaction Mechanisms Studied with the Spin Spectrometer

NUCLEAR REACTIONS 146Nd(20Ne, 5n), (20Ne, 6n), (20Ne, 7n), (20Ne, 8n), E=136 MeV; measured γ-multiplicity, σ vs multiplicity, excitation. 159Tb(19F, X), E=180 MeV; measured γ-multiplicity vs fragment mass, Z, σ(fragment θ) for X=C, B, Be, N, O, Ne. Comparison with sum rule predictions.

doi: 10.1088/0031-8949/1983/T5/014
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1983JA04      Nucl.Phys. A396, 319c (1983)

M.Jaaskelainen, D.G.Sarantites, F.A.Dilmanian, R.Woodward, H.Puchta, J.R.Beene, J.Hattula, M.L.Halbert, D.C.Hensley, J.H.Barker

Evolution of Nuclear Shapes in 157-161Yb as a Function of Spin and Neutron Number

NUCLEAR REACTIONS 146Nd(20Ne, 6n), (20Ne, 7n), E=136, 149 MeV; 146Nd(20Ne, 8n), 144Nd(20Ne, 6n), (20Ne, 7n), E=149 MeV; 146Nd(20Ne, 5n), E=136 MeV; measured continuum Eγ, Iγ, γ(θ) vs multiplicity. 157,158,159,160,161Yb deduced nuclear shapes.

doi: 10.1016/0375-9474(83)90028-3
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1983JA12      Phys.Scr. T5, 175 (1983)

M.Jaaskelainen, D.G.Sarantites, F.A.Dilmanian, R.Woodward, H.Puchta, J.R.Beene, J.Hattula, M.L.Halbert, D.C.Hensley

Transition from Prolate to Oblate to Triaxial Shapes in 158Yb

NUCLEAR REACTIONS 144Nd(20Ne, 6n), 146Nd(20Ne, 8n), E=149 MeV; measured γ-multiplicity, γ(θ) vs multiplicity. 158Yb deduced average excitation energy, continuum decay characteristics, prolate to oblate shape change.


1983SA10      Nucl.Phys. A400, 435c (1983)

R.C.Sarantites, M.Jaaskelainen, F.A.Dilmanian, H.Puchta, R.Woodward, J.R.Beene, D.C.Hensley, M.L.Halbert, J.Hattula, J.H.Barker, R.Novotny, L.Adler, R.K.Choudhury, M.N.Namboodiri, R.P.Schmitt, J.B.Natowitz

Research Highlights with the Spin Spectrometer

NUCLEAR REACTIONS 146Nd(20Ne, 8n), E=136 MeV; 146Nd(20Ne, 6n), (20Ne, 7n), E=136, 149 MeV; 144Nd(20Ne, 6n), (20Ne, 7n), 146Nd(20Ne, 8n), E=149 MeV; measured continuum γ-spectra, γ-multiplicities; deduced fusion reaction, entry state energy, angular momentum dependences. 160,158,159Yb deduced effective moment of inertia vs spin, entry line energy vs γ-multiplicity, localized stretched dipole transition. 157,161Yb deduced localized stretched dipole transition.

doi: 10.1016/0375-9474(83)90448-7
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1983TR05      Phys.Lett. 123B, 177 (1983)

W.Trautmann, H.Puchta, W.Dunnweber, W.Hering, C.Lauterbach

Multipolarity of Statistical γ-Rays from f-p Shell Nuclei Produced in Deep-Inelastic Heavy-Ion Reactions

NUCLEAR REACTIONS 58Ni(16O, Xγ), E=102 MeV; 48Ti(16O, Xγ), E=96.5 MeV; measured γ CP, Xγ(θ) for X=O, C, N; deduced statistical γ-ray quadrupole component, structure effects. Excited polarized nuclei, deep inelastic reactions.

doi: 10.1016/0370-2693(83)90417-3
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1982DI16      Phys.Rev.Lett. 49, 1909 (1982)

F.A.Dilmanian, D.G.Sarantites, M.Jaaskelainen, H.Puchta, R.Woodward, J.R.Beene, D.C.Hensley, M.L.Halbert, R.Novotny, L.Adler, R.K.Choudhury, M.N.Namboodiri, R.P.Schmitt, J.B.Natowitz

Alpha-Particle Angular Distributions with Respect to Spin Direction

NUCLEAR REACTIONS 150Nd(20Ne, xα), E=176 MeV; measured σ(θ, Eα) vs γ-multiplicity, evaporation residue spin direction; deduced α-emitting nucleus deformation characteristics.

doi: 10.1103/PhysRevLett.49.1909
Citations: PlumX Metrics


1982FE04      Nucl.Phys. A391, 221 (1982)

J.Fernandez-Niello, H.Puchta, F.Riess, W.Trautmann

High-Spin States in 218Ra

NUCLEAR REACTIONS 208Pb(13C, 3nγ), E=60-83 MeV; measured Eγ, Iγ(E, t), Iγ(θ, t), linear polarization P(γ), γγ-, γX-ray-coin. 218Ra deduced level energies J, π, B(E1)/B(E2) ratios. Planar Ge, Ge(Li), NaI(Tl) detectors, five-detector Compton polarimeter, enriched targets, pulsed beam.

doi: 10.1016/0375-9474(82)90229-9
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1982JA08      Phys.Rev.Lett. 49, 1387 (1982)

M.Jaaskelainen, D.G.Sarantites, R.Woodward, F.A.Dilmanian, H.Puchta, J.R.Beene, J.Hattula, M.L.Halbert, D.C.Hensley, J.H.Barker

Evidence for a Prolate to Oblate Shape Change at High Spin in 160Yb

NUCLEAR REACTIONS 146Nd(20Ne, 6n), E=136, 149 MeV; measured γ-multiplicity. 160Yb deduced entry state population, decay properties, shape change. Spin spectrometer.

doi: 10.1103/PhysRevLett.49.1387
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1982JA10      Phys.Lett. 119B, 65 (1982)

M.Jaaskelainen, D.G.Sarantites, F.A.Dilmanian, R.Woodward, H.Puchta, J.R.Beene, J.Hattula, M.L.Halbert, D.C.Hensley

Evolution of the Decay Modes of 158Yb with Spin

NUCLEAR REACTIONS 144Nd(20Ne, 6n), 146Nd(20Ne, 8n), E=149 MeV; measured continuum Eγ, Iγ, γ-anisotropies. 158Yb deduced entry state decay, collectivity spin dependence, stretched dipole component.

doi: 10.1016/0370-2693(82)90244-1
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1981BE64      Fizika(Zagreb) 13, Suppl.No.1, 27 (1981)

C.Beck, R.M.Freeman, F.Haas, B.Heusch, H.Bohn, K.A.Eberhard, U.Kaufl, H.Puchta, T.Senftleben, W.Trautmann

Resonant Structure in the Reaction Channels of 14C + 14C

NUCLEAR REACTIONS 14C(14C, 14C'), (14C, xn), (14C, xnα), E(cm)=12.5-32.5 MeV; measured σ(E), production σ(E) for 25Mg, 22Ne, Ne, 15C; deduced channel correlated structure. 28Mg deduced possible quasimolecular resonances.


1981FR23      Phys.Rev. C24, 2390 (1981)

R.M.Freeman, C.Beck, F.Haas, B.Heusch, H.Bohn, U.Kaufl, K.A.Eberhard, H.Puchta, T.Senftleben, W.Trautmann

Structure in the Reaction Channels of 14C + 14C

NUCLEAR REACTIONS 14C(14C, 14C'), (14C, X), E(cm)=12.5-32.5 MeV; measured Eγ, Iγ; deduced production σ(E) for 15C, 21,22,23Ne, 25Mg, channel correlated resonance structure. Enriched target.

doi: 10.1103/PhysRevC.24.2390
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1981TR03      Phys.Rev.Lett. 46, 1188 (1981)

W.Trautmann, W.Dahme, W.Dunnweber, W.Hering, C.Lauterbach, H.Puchta, W.Kuhn, J.P.Wurm

Ejectile Polarization in Heavy-Ion Reactions

NUCLEAR REACTIONS 58Ni(16O, 16O'), (16O, 12C), E=102 MeV; measured Eγ, Iγ, γ- CP, σ(E(16O)), σ(E(12C)) vs Q, (particle)γ-coin; deduced direct reaction mechanism.

doi: 10.1103/PhysRevLett.46.1188
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1981TR10      Fizika(Zagreb) 13, Suppl.No.1, 80 (1981)

W.Trautmann, W.Dunnweber, W.Hering, C.Lauterbach, H.Puchta, R.Ritzka, W.Trombik

Constrained Phase Space Approach to the 16O + 48Ti Reaction

NUCLEAR REACTIONS 48Ti(16O, X), E=100 MeV; measured (light fragment)γ-coin, γ CP vs θ, fragment Z, deep inelastic (Q); deduced orbiting trajectories, transferred spin dependence on (Q). Constrained phase space approach.


1980TR08      J.Phys.(Paris), Colloq.C-10, 249 (1980)

W.Trautmann, W.Dahme, W.Dunnweber, W.Hering, C.Lauterbach, H.Puchta, W.Kuhn, J.P.Wurm

Spin Polarization of Light Fragments from 16O + 58Ni Reactions

NUCLEAR REACTIONS 58Ni(16O, 16O'), (16O, 12C), E=100 MeV; measured σ(E(16O)), σ(E(12C)), γ16O-, γ12C-coin, γ CP; deduced evidence for deep inelastic collisions, spin polarization of target-like fragments. 16O, 12C deduced spin polarization. Transmission technique.


1979PU02      Phys.Rev.Lett. 43, 623 (1979)

H.Puchta, W.Dunnweber, W.Hering, C.Lauterbach, W.Trautmann

Anisotropy of Yrast Gamma Transitions from 16O on 48Ti: Angular Momentum Dissipation and Alignment in Deep-Inelastic Reactions

NUCLEAR REACTIONS 48Ti(16O, X), E=96 MeV; measured Iγ, γX-coin for yrast transitions in Cr, V, Ti, Sc; deduced angular momentum dissipation, alignment in deep inelastic reactions.

doi: 10.1103/PhysRevLett.43.623
Citations: PlumX Metrics


1978HE23      S.Afr.J.Phys. 1, 169 (1978)

W.Hering, W.Dunnweber, G.Graw, C.Lauterbach, H.Puchta, W.Trautmann

Measurement of Nuclear Spin Polarization and Alignment from Deep Inelastic Heavy-Ion Reactions

NUCLEAR REACTIONS 58Ni(16O, 12C), (16O, 16O), E=100 MeV; measured (particle)γ-coin, γ-CP. 12C, 16O deduced spin polarization, alignment.


1978LA16      Phys.Rev.Lett. 41, 1774 (1978)

C.Lauterbach, W.Dunnweber, G.Graw, W.Hering, H.Puchta, W.Trautmann

Gamma-Ray Circular Polarization and Nuclear Spin Orientation in 16O on Ni Reactions at 100 MeV

NUCLEAR REACTIONS 58Ni(16O, 12C), 58Ni(16O, 16O), E=100 MeV; measured γ(CP), γ(θ, X); deduced large nuclear spin polarization, negative scattering angles for deep inelastic events.

doi: 10.1103/PhysRevLett.41.1774
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1977TR06      Phys.Rev.Lett. 39, 1062 (1977)

W.Trautmann, J.de Boer, W.Dunnweber, G.Graw, R.Kopp, C.Lauterbach, H.Puchta, U.Lynen

Evidence for Negative Deflection Angles in 40Ar + Ag Deep-Inelastic Reactions from γ-Ray Circular Polarization Measurements

NUCLEAR REACTIONS Ag(40Ar, X), E=284, 303 MeV; measured CP; deduced direction of polarization of excited product nuclei.

doi: 10.1103/PhysRevLett.39.1062
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1976HE14      Phys.Rev. C14, 1451 (1976)

W.R.Hering, H.Puchta, W.Trautmann, R.L.McGrath, H.Bohn

Observation of Excited States in 206Hg

NUCLEAR REACTIONS 204Hg(18O, 16O), E=75 MeV; 204Hg(17O, 16O), E=81 MeV; measured particle-γ, γγ-coin. 206Hg deduced levels, J. Enriched targets.

doi: 10.1103/PhysRevC.14.1451
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