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NSR database version of April 27, 2024.

Search: Author = J.Recht

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1990MA14      Nucl.Phys. A509, 413 (1990)

A.Maj, H.Grawe, H.Kluge, A.Kuhnert, K.H.Maier, J.Recht, N.Roy, H.Hubel, M.Guttormsen

Levels, Lifetimes and g-Factors in ¹⁹⁸Po and ²⁰⁰Po

NUCLEAR REACTIONS ^182,184W(²⁰Ne, 4n), E=101-111 MeV; ¹⁸³W(²²Ne, 5n), E=122 MeV; measured Eγ, Iγ, Iγ(θ), Iγ(θ, H, t), γγ(t), I(ce). ^198,200Po deduced levels, J, π, T_1/2, B(λ), configurations. Enriched targets, pulsed beam, Ge(Compton suppressed) detectors, multiplicity filter, Si(Li) detectors, superconducting electron solenoid.

doi: 10.1016/0375-9474(90)90430-T
Citations: PlumX Metrics

1990MU14      Nucl.Phys. A516, 189 (1990)

M.Murzel, U.Birkental, K.P.Blume, S.Heppner, H.Hubel, J.Recht, W.Schmitz, K.Theine, H.Kluge, A.Kuhnert, K.H.Maier, G.Hebbinghaus, H.Schnare

Spectroscopy of ¹⁶⁰Hf

NUCLEAR REACTIONS ¹⁴⁴Sm(²⁰Ne, xn), E=105-120 MeV; ¹⁴⁴Sm(¹⁹F, xn), E=105 MeV; measured γγ-coin, γγ(θ). ^160,159Hf deduced levels, J. Systematic comparison of Z=72 isotopes. Cranked shell model, double routhians. Enriched targets.

doi: 10.1016/0375-9474(90)90056-R
Citations: PlumX Metrics

1989TH03      Z.Phys. A334, 361 (1989)

K.Theine, K.P.Blume, H.Hubel, M.Murzel, J.Recht, H.Kluge, K.H.Maier

Eγ-Eγ Correlation Studies of Light-Mass Hf Isotopes

NUCLEAR REACTIONS ^144,148Sm(²⁰Ne, xn), (²²Ne, xn), ¹²⁶Te(⁴⁰Ca, xn), E not given; measured γ-energy correlations; deduced Hf isotopes collective moment of inertia vs Eγ.

1987BL06      Nucl.Phys. A464, 445 (1987)

K.P.Blume, H.Hubel, M.Murzel, J.Recht, K.Theine, H.Kluge, A.Kuhnert, K.H.Maier, A.Maj, M.Guttormsen, A.P.De Lima

High-Spin States in ^163-166Hf

NUCLEAR REACTIONS ^148,150Sm(²⁰Ne, xn), (²²Ne, xn), E=106-117 MeV; measured Eγ, Iγ, γγ(θ), γγ-coin. ^{163,164,165,166}Hf deduced levels, J. Cranking model. Compton-suppressed Ge detectors.

doi: 10.1016/0375-9474(87)90310-1
Citations: PlumX Metrics

1986MA31      Z.Phys. A324, 123 (1986)

A.Maj, H.Grawe, H.Kluge, A.Kuhnert, K.H.Maier, R.A.Meyer, J.Recht, N.Roy

Observation of Highly Enhanced E3-Transitions in ^198,200Po. Evidence for Octupole Instability at Z ≥ 84 and N ≤ 114 ( Question )

NUCLEAR REACTIONS ^182,184W(²⁰Ne, 4n), E=105, 112 MeV; measured Eγ, Iγ, γγ-coin. ^198,200Po deduced levels, J, π, γ-branching, isomer T_1/2, g, B(E3), configurations.

1985DE14      Nucl.Phys. A436, 311 (1985)

D.J.Decman, H.Grawe, H.Kluge, K.H.Maier, A.Maj, N.Roy, Y.K.Agarwal, K.P.Blume, M.Guttormsen, H.Hubel, J.Recht

Decay of the Ground State and the (29/2)⁺ Isomer in ²¹⁷Ac and g-Factor Measurements from Perturbed α-Particle Angular Distributions

NUCLEAR REACTIONS ²⁰⁵Tl(¹⁶O, 4n), E=96 MeV; ²⁰⁶Pb(¹⁵N, 4n), E=80, 84, 87 MeV; ²⁰⁹Bi(¹²C, 4n), E=75 MeV; measured αγ-, γγ-, α(ce)-, (ce)(ce)-coin, α(θ, H, t), γ(θ, H, T). ²¹⁷Ac deduced levels, J, π, T_1/2, g, γ multipolarity, γ-branching, γα. Shell model.

doi: 10.1016/0375-9474(85)90201-5
Citations: PlumX Metrics

1985RE06      Nucl.Phys. A440, 366 (1985)

J.Recht, Y.K.Agarwal, K.P.Blume, M.Guttormsen, H.Hubel, H.Kluge, K.H.Maier, A.Maj, N.Roy, D.J.Decman, J.Dudek, W.Nazarewicz

High-Spin Structure in ¹⁶⁹W and ¹⁷⁰W

NUCLEAR REACTIONS ¹⁵⁴Gd(²⁰Ne, xn), E=105-125 MeV; measured E(γ), I(γ), γγ-coin, γ(θ), linear polarization. ^169,170W deduced levels, J, π. Ge, Ge(Li), NaI detectors, Bismuth germanate anti-Compton shield, enriched targets. Pairing self-consistent cranking calculations, particle number projections.

doi: 10.1016/0375-9474(85)90345-8
Citations: PlumX Metrics

1984GU29      Nucl.Instrum.Methods 227, 489 (1984)

M.Guttormsen, H.Hubel, A.v.Grumbkow, Y.K.Agarwal, J.Recht, K.H.Maier, H.Kluge, A.Maj, M.Menningen, N.Roy

A Superconducting Electron Spectrometer

NUCLEAR REACTIONS ¹⁹⁴Pt(α, 4n), E not given; measured (ce)(ce)-coin. Superconducting electron spectrometer.

RADIOACTIVITY ²¹³Ra(α), (β⁺), (EC) [from ²⁰⁴Pb(¹³C, 4n)]; measured (ce)(X-ray)-coin. ²¹⁷Ac(α) [from ²⁰⁹Bi(¹²C, 4n)]; measured (ce)α-coin. Superconducting electron spectrometer.

doi: 10.1016/0168-9002(84)90206-7
Citations: PlumX Metrics

1984HA21      Nucl.Phys. A419, 34 (1984)

K.Hardt, P.Schuler, C.Gunther, J.Recht, K.P.Blume, H.Wilzek

Investigation of ²²⁸Th in the (α, α'2n) Reaction

NUCLEAR REACTIONS ^230,232Th(α, α'2n), E=56 MeV; measured I(ce), e^-γ-coin, Eγ, Iγ. ^228,230Th deduced rotational levels, J, π, band structure.

doi: 10.1016/0375-9474(84)90283-5
Citations: PlumX Metrics

1984SC19      Z.Phys. A317, 313 (1984)

P.Schuler, J.Recht, H.Wilzek, K.Hardt, C.Gunther, K.P.Blume, K.Euler, V.Kolschbach

Investigation of ^196,198Pt and ^202,204Hg with the (d, pnγ) Reaction

NUCLEAR REACTIONS ¹⁷⁴Yb, ^196,198Pt, ²³²Th(d, xnp), ¹⁷⁴Yb, ^196,198Pt, ²³²Th, ^202,204Hg(d, np), E=25 MeV; measured Eγ, Iγ, I(ce), pγ-, γγ-coin. ^196,198Pt, ^202,204Hg deduced levels, J, π, yrast sequence, γ-branching, B(λ). Interacting boson model.

1983AG01      Nucl.Phys. A399, 199 (1983)

Y.K.Agarwal, J.Recht, H.Hubel, M.Guttormsen, D.J.Decman, H.Kluge, K.H.Maier, J.Dudek, W.Nazarewicz

High-Spin Rotational Bands and Pairing Reduction in ¹⁶⁶Hf

NUCLEAR REACTIONS ¹⁵⁰Sm(²⁰Ne, 4n), E=105 MeV; measured Eγ, Iγ, γγ(θ), γγ-coin. ¹⁶⁶Hf deduced levels, J, π. Cranking model.

doi: 10.1016/0375-9474(83)90603-6
Citations: PlumX Metrics

1983GU05      Nucl.Phys. A398, 119 (1983)

M.Guttormsen, A.V.Grumbkow, Y.K.Agarwal, K.P.Blume, K.Hardt, H.Hubel, J.Recht, P.Schuler, H.Kluge, K.H.Maier, A.Maj, N.Roy

The (νi²_13/2)(8⁺, 10⁺, 12⁺) Triplets in ^190-196Hg

NUCLEAR REACTIONS ¹⁸¹Ta(¹⁴N, 5n), E=100 MeV; ^192,194,196Pt(α, 4n), E=50 MeV; measured (ce)(ce)(t). ^{190,192,194,196}Hg deduced levels, J, π, M1/E2 mixing, γ-multipolarity, B(E2). Superconducting solenoid, Si(Li) detectors.

doi: 10.1016/0375-9474(83)90651-6
Citations: PlumX Metrics

1983GU12      Z.Phys. A312, 155 (1983)

M.Guttormsen, K.P.Blume, Y.K.Agarwal, A.v.Grumbkow, K.Hardt, H.Hubel, J.Recht, P.Schuler

Rotation Aligned Bands and Configuration Dependent Interaction in ¹⁸⁹Hg

NUCLEAR REACTIONS ¹⁸¹Ta(¹⁴N, 6n), E=100 MeV: measured Eγ, Iγ, (ce)(ce)-, γγ-coin, γ(θ). ¹⁸⁹Hg deduced levels, J, π. Ge(Li), NaI, Si-Li detectors.

doi: 10.1007/BF01412158
Citations: PlumX Metrics

1983HA15      Z.Phys. A312, 251 (1983)

K.Hardt, Y.K.Agarwal, C.Gunther, M.Guttormsen, R.Kroth, J.Recht, F.A.Beck, T.Byrski, J.C.Merdinger, A.Nourredine, D.C.Radford, J.P.Vivien, C.Bourgeois

Observation of the Weakly Deformed νi²_13/2 Band in ¹⁸⁸Hg

NUCLEAR REACTIONS ¹⁶⁸Er(²⁴Mg, 4n), E=125 MeV; measured Eγ, Iγ, γγ-coin. ¹⁸⁸Hg deduced levels, J, π, rotation aligned band structure, isomer T_1/2, γ-branching, B(E2), configuration.

doi: 10.1007/BF01412168
Citations: PlumX Metrics

1983HA31      Nucl.Phys. A407, 127 (1983)

K.Hardt, P.Schuler, C.Gunther, J.Recht, K.P.Blume

In-Beam Investigation of High-Spin States in Actinides with (α, xn) Compound Reactions

NUCLEAR REACTIONS ^230,232Th, ²³⁸U(α, 4n), E=40 MeV; ²³⁵U(α, 3n), E=35 MeV; ²³⁸U(α, 2n), E=30, 35 MeV; measured I(ce), eγ-coin, Eγ, Iγ. ^230,232U, ^236,238,240Pu deduced rotational levels, J, π.

doi: 10.1016/0375-9474(83)90311-1
Citations: PlumX Metrics

1983HA44      Z.Phys. A314, 83 (1983)

K.Hardt, P.Schuler, C.Gunther, J.Recht, K.P.Blume

Investigation of the Ground State Rotational Bands in ²³³U and ²³⁹Pu in the (α, 3n) Reactions

NUCLEAR REACTIONS ²³²Th, ²³⁸U(α, 3n), E=35 MeV; measured I(ce), γ(ce). ²³⁹Pu deduced levels, J, π, K, rotational bands, μ, δ, quadrupole moment, g(k), g(R). ²³³U deduced levels, J, π, K, rotational bands.

doi: 10.1007/BF01411834
Citations: PlumX Metrics

1983HU15      Z.Phys. A314, 89 (1983)

H.Hubel, M.Guttormsen, K.P.Blume, J.Recht, A.von Grumbkow, K.Hardt, P.Schuler, Y.K.Agarwal, A.Maj

Isomeric Transitions in ²⁰³Bi and ²⁰⁵Bi

NUCLEAR REACTIONS ^203,205Tl(α, 4n), E=50 MeV; measured Eγ, Iγ, γ(θ), (ce)(ce)(t). ^203,205Bi deduced levels, J, π, B(Eλ), T_1/2. Electron spectrometers, Si(Li)-, Ge-detectors.

1983RE03      Phys.Lett. 122B, 207 (1983)

J.Recht, Y.K.Agarwal, M.Guttormsen, H.Hubel, D.J.Decman, H.Kluge, K.H.Maier, N.Roy, J.Dudek, W.Nazarewicz

Delayed Second Band Crossing in ¹⁷⁰W

NUCLEAR REACTIONS ¹⁵⁰Gd(²⁰Ne, 4n), E=105, 110, 120 MeV; measured γγ-coin, I(ce), Eγ, Iγ. ¹⁷⁰W deduced levels, J, π, γ-branching, band structure, γ-multipolarity, kinematic moment of inertia.

doi: 10.1016/0370-2693(83)90685-8
Citations: PlumX Metrics

1982GU10      Nucl.Phys. A383, 541 (1982)

M.Guttormsen, Y.K.Agarwal, C.Gunther, K.Hardt, H.Hubel, A.Kalbus, R.Kroth, G.Mikus, J.Recht, P.Schuler

Band Crossings in Weakly Deformed ¹⁹⁰Hg

NUCLEAR REACTIONS ¹⁸¹Ta(¹⁴N, 5n), E=100 MeV; measured Eγ, Iγ, γγ-coin, γ(θ). ¹⁹⁰Hg deduced levels, J, π, Natural targets, Ge(Li), NaI detectors. Cranking model calculations.

doi: 10.1016/0375-9474(82)90090-2
Citations: PlumX Metrics

1982HA16      Z.Phys. A305, 1 (1982)

K.Hardt, R.Kroth, G.Mikus, C.Gunther, M.Guttormsen, H.Hubel, J.Recht, R.Tischler

Spin Precession of Po in Ni Detected by In-Beam Conversion Electrons and the Magnetic Moment of the 15^- Isomer in ²⁰⁴Po

NUCLEAR REACTIONS ²⁰⁴Pb(α, 4n), E=50 MeV; measured ce(θ, H, t); deduced spin precession of Po in Ni. ²⁰⁴Po level deduced g, B(E2). In-beam recoil implantation, iron free orange spectrometer.

doi: 10.1007/BF01415071
Citations: PlumX Metrics

1981KR04      Phys.Lett. 99B, 209 (1981)

R.Kroth, K.Hardt, M.Guttormsen, G.Mikus, J.Recht, W.Vilter, H.Hubel, C.Gunther

Identification of the Missing Rotation-Aligned (νi^-2_13/2) 12⁺ State in ¹⁹⁶Hg

NUCLEAR REACTIONS ¹⁹⁴Pt(α, 2n), E=30 MeV; ¹⁹⁶Pt(α, 4n), E=48 MeV; ¹⁹⁷Au(α, 3n), E=22 MeV; measured γγ-coin, I(ce), ce(t). ¹⁹⁶Hg deduced levels, T_1/2, J, π, B(E2), γ-branching, configuration, rotation-aligned structure.

doi: 10.1016/0370-2693(81)91109-6
Citations: PlumX Metrics