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NSR database version of April 29, 2024.

Search: Author = H.Krieger

Found 13 matches.

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1981GU04      Nucl.Phys. A359, 397 (1981)

W.Gunther, K.Huber, U.Kneissl, H.Krieger, H.Ries, H.Stroher, W.Wilke

Yield Ratio for the Two ²⁴¹Pu Fission Isomers in the ²⁴²Pu(γ, n) Reaction

NUCLEAR REACTIONS ²⁴²Pu(γ, n), E=40-48 MeV bremsstrahlung; measured T_1/2, isomeric to prompt yield ratio. ²⁴¹Pu levels deduced isomeric ratio, J. Enriched target.

doi: 10.1016/0375-9474(81)90245-1
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1980GU02      Phys.Rev.Lett. 44, 716 (1980)

W.Gunther, R.Haag, K.Huber, U.Kneissl, H.Krieger, H.J.Maier, H.Stroher

Deformation Dependence of the Pairing Strength Investigated by Electrofission of ^182,184,186W

NUCLEAR REACTIONS ^182,184,186W(e, F), E=35-55 MeV; analyzed σ; deduced fission barriers, deformation dependence of pairing strength. Statistical model.

doi: 10.1103/PhysRevLett.44.716
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1980GU12      Z.Phys. A295, 333 (1980)

W.Gunther, K.Huber, U.Kneissl, H.Krieger, H.J.Maier

Symmetric and Asymmetric Yields in the Photofission of ²³²Th, ²³⁵U, ²³⁸U and ²³⁹Pu

NUCLEAR REACTIONS ²³²Th, ^235,238U, ²³⁹Pu(γ, F), E=15-55 MeV bremsstrahlung; measured fragment mass, energy distributions. ²³²Th, ^235,238U, ²³⁹Pu deduced symmetric to asymmetric fission ratio dependence on photo absorption above GDR.

1980GU20      Nucl.Phys. A350, 1 (1980)

W.Gunther, K.Huber, U.Kneissl, H.Krieger, H.Ries, H.Stroher, W.Wilke, H.J.Maier

Systematics of Photonuclear Yields and Cross Sections for Plutonium and Uranium Fission Isomers

NUCLEAR REACTIONS, Fission ²⁴⁰Pu, ²³⁵U(γ, xn), ²³⁹Pu(γ, 2n), ²⁴²Pu(γ, n), E=45 MeV bremsstrahlung; measured T_1/2, isomeric to prompt yield ratios. ²³⁶U, ^237,239,241Pu levels deduced σ(fission). Natural, enriched targets.

doi: 10.1016/0375-9474(80)90385-1
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1979AS02      Z.Phys. A292, 285 (1979)

J.Aschenbach, R.Haag, H.Krieger

Electrofission of ²³⁸U and ²³²Th

NUCLEAR REACTIONS ²³⁸U, ²³²Th(e, F), E=7-65 MeV; measured σ, σ(fragment θ) for E=7-30 MeV.

doi: 10.1007/BF01547475
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1979GU03      Phys.Rev. C19, 433 (1979)

W.Gunther, K.Huber, U.Kneissl, H.Krieger, H.J.Maier

Photonuclear Yields of the ²³⁷Pu Fission Isomers

NUCLEAR REACTIONS ²³⁹Pu(γ, 2n), E=45 MeV bremsstrahlung; measured T_1/2, isomeric yield ratio. ^237mPu levels deduced isomeric ratio, spin. Nilsson assignments.

doi: 10.1103/PhysRevC.19.433
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1978BA07      Z.Phys. A285, 71 (1978)

H.Bartsch, W.Gunther, K.Huber, U.Kneissl, H.Krieger

Systematic Trends in the Analysis of Photonuclear Cross Section Ratios

NUCLEAR REACTIONS ¹⁰⁰Mo(γ, n), ¹⁰²Ru(γ, p), E=bremsstrahlung; measured isomeric σ ratios. ⁹⁹Mo, ¹⁰¹Tc deduced levels, T_1/2.

doi: 10.1007/BF01410227
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1978BA18      Z.Phys. A285, 273 (1978)

H.Bartsch, K.Huber, U.Kneissl, H.Krieger

An Investigation of Short-Lived Isomers in the Nuclei ^90,92Nb, ⁹⁹Mo, ^98,100,101Tc and ¹⁰¹Ru

NUCLEAR REACTIONS ^101,99,100Ru, ¹⁰⁰Mo(γ, X), E=20, 40 MeV bremsstrahlung; measured K X-ray, Eγ, Iγ, γ(t). ^90,92Nb, ⁹⁹Mo, ^98,100,101Tc, ¹⁰¹Ru levels deduced T_1/2, transitions, λ, ICC.

doi: 10.1007/BF01408240
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1978BA47      Nucl.Phys. A306, 29 (1978)

H.Bartsch, W.Gunther, K.Huber, U.Kneissl, H.Krieger, H.J.Maier

Search for a γ-Decay of the ²³⁶U Shape Isomer

RADIOACTIVITY ^236mU shape isomer [from ²³⁸U(γ, 2n), E=45 MeV bremsstrahlung]; measured Eγ, Iγ; deduced Γγ/Γf.

doi: 10.1016/0375-9474(78)90308-1
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1978GU02      Nucl.Phys. A297, 254 (1978)

W.Gunther, K.Huber, U.Kneissl, H.Krieger

Population of the ²³⁶U Shape Isomer in a Photonuclear Reaction

NUCLEAR REACTIONS ²³⁸U(γ, 2n), E=45 MeV bremsstrahlung; measured isomer/prompt yields; deduced σ for isomer production. ^236mU shape isomer deduced T_1/2, Γγ/Γf. Natural target.

doi: 10.1016/0375-9474(78)90275-0
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1977BA57      Z.Phys. A283, 199 (1977)

H.Bartsch, K.Huber, U.Kneissl, H.Krieger

Investigation of the Neutron Rich Nuclei ¹⁰⁸Rh and ¹⁰⁹Pd

RADIOACTIVITY ^108,109Rh [from ¹¹⁰Pd(γ, p), (γ, pn)]; measured Eγ, Iγ, γ(t), γγ-coin, K X-ray. ¹⁰⁸Rh deduced transitions, T_1/2. ¹⁰⁹Pd deduced levels, T_1/2.

doi: 10.1007/BF01418712
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1976BA01      Nucl.Phys. A256, 243 (1976)

H.Bartsch, K.Huber, U.Kneissl, H.Krieger

Critical Consideration of the Statistical Model Analysis of Photonuclear Isomeric Cross-Section Ratios

NUCLEAR REACTIONS ¹⁸¹Ta, ¹⁴²Nd, Pd, ¹¹⁰Pd, Mo, ⁹²Mo, Y(γ, xn), bremstrahlung, E ≤ 55 MeV; measured isomeric cross-section ratios; deduced spin cut-off parameters. Natural, enriched targets.

doi: 10.1016/0375-9474(76)90106-8
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1975BA60      Nucl.Phys. A252, 1 (1975)

H.Bartsch, K.Huber, U.Kneissl, H.Krieger

The Decay of the 11/2^- Isomeric State in ¹⁰³Ru

RADIOACTIVITY ^103mRu [from ¹⁰⁴Ru(γ, n)];¹⁰³Tc [from ¹⁰⁴Ru(γ, p)]; measured Eγ, γ(t), I(X)/Iγ, T_1/2. ¹⁰³Ru deduced levels, J, π, T_1/2.

doi: 10.1016/0375-9474(75)90595-3
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