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NSR database version of April 27, 2024.

Search: Author = H.Ahrens

Found 14 matches.

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1984SE05      Z.Phys. A315, 251 (1984)

T.Seo, A.-M.Schmitt, H.Ahrens, J.P.Bocquet, N.Kaffrell, H.Lawin, G.Lhersonneau, R.A.Meyer, K.Shizuma, K.Sistemich, G.Tittel, N.Trautmann

Evidence of Rotational Bands in ¹⁰³Nb

RADIOACTIVITY ¹⁰³Zr(β^-) [from fission product separation]; measured Eγ, Iγ, γγ-, (X-ray)γ-coin, γγ(t). ¹⁰³Nb deduced levels, J, π, T_1/2, Nilsson assignments, rotational bands, (g(k)-g(R)/Q₀) magnitude.

doi: 10.1007/BF01419388
Citations: PlumX Metrics

1984SH03      Z.Phys. A315, 65 (1984)

K.Shizuma, H.Ahrens, J.P.Bocquet, N.Kaffrell, B.D.Kern, H.Lawin, R.A.Meyer, K.Sistemich, G.Tittel, N.Trautmann

Odd Neutron Nuclei near A = 100: Rotational bands in ¹⁰³Mo and ¹⁰⁵Mo populated in the β^- decays of ¹⁰³Nb and ¹⁰⁵Nb

RADIOACTIVITY ^103,105Nb(β^-) [from fission product isotope separation]; measured Eγ, Iγ, γγ-, (X-ray)γ-coin, γγ(θ); deduced T_1/2. ^103,105Mo deduced levels, γ-branching, δ, B(E2), quadrupole moment.

doi: 10.1007/BF01436210
Citations: PlumX Metrics

1984ZY01      Nucl.Phys. A414, 301 (1984)

I.Zychor, K.Rykaczewski, W.Kurcewicz, H.Ahrens, H.Folger, N.Kaffrell, N.Trautmann

Hafnium and Lutetium Isotopes Produced in Heavy-Ion Collisions of 7.6 MeV/u ⁴⁰Ar, 8.5 MeV/u ⁸⁴Kr and 8.5 MeV/u ¹³⁶Xe on Tungsten Targets

NUCLEAR REACTIONS W(⁴⁰Ar, X), E=7.6 MeV/nucleon; W(⁸⁴Kr, X), E=8.5 MeV/nucleon; W, ¹⁸⁶W(¹³⁶Xe, X), E=8.5 MeV/nucleon; measured production σ for Hf, Lu isotopes. Chemical separation, γ-ray spectroscopy techniques.

doi: 10.1016/0375-9474(84)90646-8
Citations: PlumX Metrics

1983ZY02      Radiochim.Acta 33, 1 (1983)

I.Zychor, K.Rykaczewski, H.Ahrens, H.Folger, W.Kurcewicz, K.Summerer, N.Kaffrell, N.Trautmann

Hafnium and Lutetium Isomers Produced in Heavy-Ion Collisions of 7.6 MeV/u ⁴⁰Ar, 8.5 MeV/u ⁸⁴Kr and 8.5 MeV/u ¹³⁶Xe on (nat)W Targets

NUCLEAR REACTIONS W(⁴⁰Ar, X), E=7.6 MeV/nucleon; W(⁸⁴Kr, X), (¹³⁶Xe, X)¹⁷⁷Hf/¹⁷⁸Hf/¹⁷⁹Hf/¹⁸⁰Hf/¹⁸²Hf/¹⁶⁸Lu/¹⁷⁴Lu/¹⁷⁷Lu/¹⁷⁸Lu, E=8.5 MeV/nucleon; measured Eγ, Iγ, γγ-coin; deduced residuals isomer production σ, no evidence for new T_1/2 > 2 min isomers.

doi: 10.1524/ract.1983.33.1.1
Citations: PlumX Metrics

1980GA24      Phys.Rev.Lett. 45, 1824 (1980)

H.Gaggeler, N.Trautmann, W.Bruchle, G.Herrmann, J.V.Kratz, P.Peuser, M.Schadel, G.Tittel, G.Wirth, H.Ahrens, H.Folger, G.Franz, K.Summerer, M.Zendel

Search for Superheavy Elements in the ²³⁸U +²³⁸U Reaction

NUCLEAR REACTIONS, Fission ²³⁸U(²³⁸U, X), (²³⁸U, F), E=8.6 MeV/nucleon; measured fragment E, spontaneous fission(fragment)(fragment)-coin; deduced superheavy production σ upper limit. Thick target.

doi: 10.1103/PhysRevLett.45.1824
Citations: PlumX Metrics

1978GA12      Z.Phys. A286, 419 (1978)

H.Gaggeler, W.Bruchle, H.Ahrens, H.Folger, G.Franz, J.V.Kratz, M.Schadel, I.Warnecke, G.Wirth, N.Trautmann, G.Herrmann, N.Kaffrell, P.Peuser, G.Tittel

Search for Long-Lived Superheavy Elements in the Reaction of ¹³⁶Xe with ²³⁸U

NUCLEAR REACTIONS ²³⁸U(¹³⁶Xe, X), E=6.6 MeV/nucleon; measured formation σ for superheavy elements with 1-200 day T_1/2.

1978KR17      S.Afr.J.Phys. 1, 154 (1978)

J.V.Kratz, H.Ahrens, W.Bruchle, H.Gaggeler, M.Schadel, I.Warnecke, G.Wirth, G.Herrmann, N.Trautmann, M.Weis

Correlations between Proton and Neutron Exchanges in Damped Collisions of ^129,132,136Xe + Au and ²³⁸U + ²³⁸U

NUCLEAR REACTIONS ¹⁹⁷Au(¹²⁹Xe, X), (¹³²Xe, X), (¹³⁶Xe, X), ²³⁸U(²³⁸U, X), E=5.9 MeV/nucleon; analyzed isotope distribution vs Z; deduced different p, n strength correlations for Au+Xe, U+U systems.

1978SC22      Phys.Rev.Lett. 41, 469 (1978)

M.Schadel, J.V.Kratz, H.Ahrens, W.Bruchle, G.Franz, H.Gaggeler, I.Warnecke, G.Wirth, G.Herrmann, N.Trautmann, M.Weis

Isotope Distributions in the Reaction of ²³⁸U with ²³⁸U

NUCLEAR REACTIONS ²³⁸U(²³⁸U, X), E=1785 MeV; measured σ(A, Z). Radiochemically determined σ.

doi: 10.1103/PhysRevLett.41.469
Citations: PlumX Metrics

1977KR10      Phys.Rev.Lett. 39, 984 (1977)

J.V.Kratz, H.Ahrens, W.Bogl, W.Bruchle, G.Franz, M.Schadel, I.Warnecke, G.Wirth, G.Klein, M.Weis

Charge-Asymmetry Equilibration in the Reaction of ^129,132,136Xe with ¹⁹⁷Au Near the Interaction Barrier

NUCLEAR REACTIONS ¹⁹⁷Au(¹²⁹Xe, X), E=761 MeV; ¹⁹⁷Au(¹³²Xe, X), E=769 MeV; ¹⁹⁷Au(¹³⁶Xe, X), E=795 MeV; measured σ(A, Z); deduced proton, neutron population ratios.

doi: 10.1103/PhysRevLett.39.984
Citations: PlumX Metrics

1976AH01      J.Inorg.Nucl.Chem. 38, 191 (1976)

H.Ahrens, P.Patzelt, G.Herrmann

The Half-Lives of ⁹¹Br, ⁹⁵Kr, ¹⁴⁰I and ¹⁴⁴Xe

RADIOACTIVITY ⁹¹Br, ⁹⁵Kr, ^140,141I, ¹⁴⁴Xe [from fission]; measured T_1/2.

doi: 10.1016/0022-1902(76)80389-2
Citations: PlumX Metrics

1976AH06      Phys.Rev. C14, 211 (1976)

H.Ahrens, N.Kaffrell, N.Trautmann, G.Herrmann

Decay Properties of Neutron-Rich Niobium Isotopes

RADIOACTIVITY ^{99,100,101,102,103,104,106}Nb, ^100,102Zr [from ²³⁵U, ²³⁹Pu, ²⁴⁹Cf(n, F)]; measured T_1/2, γγ-coin. ^100,102,104Mo deduced levels. Ge(Li) detectors.

doi: 10.1103/PhysRevC.14.211
Citations: PlumX Metrics

1976TR02      Phys.Rev. C13, 872 (1976)

N.Trautmann, N.Kaffrell, H.Ahrens, P.F.Dittner

Identification of ¹⁰⁹Tc and ¹¹⁰Tc in Fission of ²⁴⁹Cf

RADIOACTIVITY ^109,110Tc [from ²⁴⁹Cf(n, F), E=thermal]; measured T_1/2, Eγ.

doi: 10.1103/PhysRevC.13.872
Citations: PlumX Metrics

1973KA22      Phys.Rev. C8, 320 (1973)

N.Kaffrell, N.Trautmann, G.Herrmann, H.Ahrens

Levels in the Transitional Nuclei ¹⁰⁶Ru and ¹⁰⁸Ru

RADIOACTIVITY ^106,108Tc; measured Eγ, Iγ, γγ-coin. ^106,108Ru deduced levels, J, π, γ-branching.

doi: 10.1103/PhysRevC.8.320
Citations: PlumX Metrics

1972TR08      Radiochim.Acta 18, 86 (1972)

N.Trautmann, N.Kaffrell, H.W.Behlich, H.Folger, G.Herrmann, D.Hubscher, H.Ahrens

Identification of Short-Lived Isotopes of Zirconium, Niobium, Molybdenum, and Technetium in Fission by Rapid Solvent Extraction Techniques

RADIOACTIVITY ⁹⁷Y, ^{99,100,101,102}Zr, ^{99,100,101,102}Nb, ^{104,105,106,107,108}Mo, ^{103,104,105,106,107,108}Tc; measured Eγ, T_1/2.