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NSR database version of May 8, 2024.

Search: Author = R.Ratzek

Found 10 matches.

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1986RA01      Phys.Rev.Lett. 56, 568 (1986)

R.Ratzek, U.E.P.Berg, C.Blasing, A.Jung, S.Schennach, R.Stock, F.-J.Urban, H.Wickert

Electric and Magnetic Dipole Transitions to Bound States in ²⁰⁶Pb

NUCLEAR REACTIONS ²⁰⁶Pb(polarized γ, γ'), E=7 MeV bremsstrahlung; measured Iγ(θ), asymmetry. ²⁰⁶Pb deduced levels, J, π, γ-multipolarity, B(λ).

doi: 10.1103/PhysRevLett.56.568
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1985DR01      Nucl.Phys. A437, 253 (1985)

J.Drexler, R.D.Heil, K.Huber, U.Kneissl, G.Mank, R.Ratzek, H.Ries, T.Weber, W.Wilke, B.Fischer, H.Hollick

The ' Isomeric Shelf ' in the Deep Subbarrier Photofission of ²³⁸U

NUCLEAR REACTIONS ²³⁸U(γ, F), E=3.9-4.3 MeV bremsstrahlung; measured T_1/2, isomeric to prompt yield ratio. Depleted targets.

doi: 10.1016/0375-9474(85)90087-9
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1984BE54      Phys.Lett. 149B, 59 (1984)

U.E.P.Berg, C.Blasing, J.Drexler, R.D.Heil, U.Kneissl, W.Naatz, R.Ratzek, S.Schennach, R.Stock, T.Weber, H.Wickert, B.Fischer, H.Hollick, D.Kollewe

Photoexcitation of Low-Lying Collective States in ^156,158,160Gd

NUCLEAR REACTIONS ^156,158,160Gd(γ, γ'), E=2.8-3.4 MeV bremsstrahlung; measured Eγ, Iγ. ^156,158,160Gd levels deduced Γγ, B(M1), transition collectivity.

doi: 10.1016/0370-2693(84)91551-X
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1984DR04      Nucl.Instrum.Methods 220, 409 (1984)

J.Drexler, R.D.Fischer, R.Heil, K.Huber, U.Kneissl, G.Mank, R.Ratzek, H.Ries, H.Stroher, T.Weber, W.Wilke

Arrangements of Parallel Plate Avalanche Detectors for Electrofission and Photofission experiments

NUCLEAR REACTIONS ²³²Th(e⁺, F), (e^-, F), E=9 MeV; measured fission fragment σ(θ). Parallel plate avalanche detectors.

RADIOACTIVITY ²⁵²Cf(SF); measured fission fragment tof spectra. Parallel plate avalanche detectors.

doi: 10.1016/0167-5087(84)90303-X
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1984RI08      Phys.Rev. C29, 2346 (1984)

H.Ries, G.Mank, J.Drexler, R.Heil, K.Huber, U.Kneissl, R.Ratzek, H.Stroher, T.Weber, W.Wilke

Absolute Photofission Cross Sections for ^235,238U in the Energy Range 11.5-30 MeV

NUCLEAR REACTIONS ^238,235U(γ, F), E=11.5-30 MeV; measured absolute fission σ(E). Quasimonoenergetic photons from positron annihilation, multiple parallel plate detectors.

doi: 10.1103/PhysRevC.29.2346
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0503.

1984ST07      Nucl.Phys. A419, 295 (1984)

H.Stroher, J.Drexler, R.Heil, K.Huber, U.Kneissl, G.Mank, R.Ratzek, H.Ries, T.Weber, W.Wilke, H.J.Maier

Fission Barriers of Preactinide Nuclei from Electrofission Experiments

NUCLEAR REACTIONS ^182,184,186W, Pt, ²⁰⁹Bi(e, F), E=25-55 MeV; measured electron induced fission σ(E); deduced fission barriers B. Natural, enriched targets. Statistical model analysis.

doi: 10.1016/0375-9474(84)90394-4
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1983DR14      Nucl.Phys. A411, 17 (1983)

J.Drexler, R.Heil, K.Huber, U.Kneissl, G.Mank, R.Ratzek, H.Ries, H.Stroher, T.Weber, W.Wilke

The Decay of Uranium Shape Isomers Investigated by Photonuclear Reactions

NUCLEAR REACTIONS ²³⁸U(γ, γ'), E=12 MeV bremsstrahlung; measured isomer T_1/2, isomeric to prompt yield ratio; deduced isomeric fission cross section. ²³⁸U deduced isomer decay branching ratio. Natural target.

doi: 10.1016/0375-9474(83)90505-5
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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
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1982ST05      Nucl.Phys. A378, 237 (1982)

H.Stroher, R.D.Fischer, J.Drexler, K.Huber, U.Kneissl, R.Ratzek, H.Ries, W.Wilke, H.J.Maier

Absolute Cross Sections for Electron- and Positron-Induced Fission of ²³⁸U and Tests of DWBA Virtual-Photon Spectra

NUCLEAR REACTIONS ²³⁸U(e, F), (e⁺, F), E=10-35 MeV; measured absolute σ. Natural targets.

doi: 10.1016/0375-9474(82)90590-5
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1981ST12      Phys.Rev.Lett. 47, 318 (1981)

H.Stroher, R.D.Fischer, J.Drexler, K.Huber, U.Kneissl, R.Ratzek, H.Ries, W.Wilke, H.J.Maier

Investigation of the Fission Decay of the Isoscalar Giant Quadrupole Resonance in ²³⁸U by Electron- and Positron-Induced Fission

NUCLEAR REACTIONS, Fission ²³⁸U(e, F), (e⁺, F), E=10-35 MeV; measured σ(E), σ(ratio). ²³⁸U deduced no GQR fission decay. DWBA, virtual photon treatment.

doi: 10.1103/PhysRevLett.47.318
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