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NSR database version of April 26, 2024.

Search: Author = M.Knopp

Found 16 matches.

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1989RE08      Phys.Lett. 230B, 16 (1989)

U.Reuter, F.Hagelberg, S.Kremeyer, H.-J.Simonis, K.-H.Speidel, M.Knopp, W.Karle, J.Cub, P.N.Tandon, J.Gerber

Large Transient Magnetic Fields for Single Electron O Ions on a 10 fs Time Scale

NUCLEAR REACTIONS 4He(16O, α), E=44 MeV; measured σ(E(16O)), αγ(θ); deduced O-ion transient magnetic field passing through thin magnetized Gd layers.

doi: 10.1016/0370-2693(89)91645-6
Citations: PlumX Metrics

1989SP02      Phys.Lett. 227B, 16 (1989)

K.-H.Speidel, M.Knopp, W.Karle, M.-L.Dong, J.Cub, U.Reuter, H.-J.Simonis, P.N.Tandon, J.Gerber

Heavy Ion Beam Induced Attenuations of Transient Magnetic Fields

NUCLEAR REACTIONS Ag(28Si, 28Si'), E=130 MeV; Si(62Ni, 62Ni'), E=160 MeV; measured transient magnetic fields, Coulomb excitation ion recoil in Fe(Gd) host; deduced heavy ion beam induced attenuations.

doi: 10.1016/0370-2693(89)91276-8
Citations: PlumX Metrics

1988KA21      Nucl.Instrum.Methods Phys.Res. A271, 507 (1988)

W.Karle, M.Knopp, K.-H.Speidel

Applications of Large Barium Fluoride Scintillators to In-Beam Gamma-Ray Spectroscopy

RADIOACTIVITY 152Eu(β-), (β+), (EC); measured γγ(t). 152Sm level deduced T1/2. Large volume BaF2 scintillators.

NUCLEAR REACTIONS 40Ca(α, α'), E=13.62 MeV; measured γα-coin. 40Ca level deduced T1/2. Large volume BaF2 scintillators.

doi: 10.1016/0168-9002(88)90312-9
Citations: PlumX Metrics

1988SI14      Z.Phys. A330, 361 (1988)

H.-J.Simonis, F.Hagelberg, K.-H.Speidel, M.Knopp, W.Karle, U.Kilgus, J.Gerber

Measurements of Lifetime and g-Factor of the 32S(41+) State at 4.459 MeV

NUCLEAR REACTIONS 4He(32S, 32S'), E=tandem; measured recoil αγ-coin, anisotropies. 32S level deduced g. Transient field technique.

1988SP04      Z.Phys. A331, 29 (1988)

K.-H.Speidel, M.Knopp, W.Karle, U.Kilgus, M.-L.Dong, H.-J.Simonis, F.Hagelberg, J.Gerber

New Aspect in Transient Magnetic Fields using Heavy Ion Beams

NUCLEAR REACTIONS 56Fe, 28Si, 62Ni(62Ni, 62Ni'), E=160 MeV; 28Si, 56Fe, 62Ni(16O, 16O'), E=33 MeV; 28Si, 56Fe, 62Ni(28Si, 28Si'), E=130 MeV; measured γ(projectile)(θ, H), anisotropy following Coulomb excitation. 62Ni level deduced g.

1987KN01      Z.Phys. D4, 329 (1987)

M.Knopp, K.-H.Speidel, F.Hagelberg, H.-J.Simonis, P.N.Tandon, J.Gerber

Attenuations and Atomic Spin Precessions of γ-Angular Correlations for Coulomb Excited 19F Nuclei in Single-Electron Ions

NUCLEAR REACTIONS 197Au(19F, 19F'γ), E=75 MeV; measured γγ(θ) following Coulomb excitation, atomic spin precessions. Si, Ge(Li) detectors. Simple electron configurations, statistical model.

doi: 10.1007/BF01384884
Citations: PlumX Metrics

1987KN06      Hyperfine Interactions 34, 183 (1987)

M.Knopp, K.-H.Speidel, F.Hagelberg, H.-J.Simonis, J.Gerber, P.N.Tandon

Experimental Tests for detecting Spin Polarization Pick-Up of Single-Electron 19F-Ions on Emergence from Magnetized Iron

NUCLEAR REACTIONS 197Au(19F, 19F'), E=75 MeV; measured γγ(θ, H) following projectile Coulomb excitation.

doi: 10.1007/BF02072699
Citations: PlumX Metrics

1987MA25      Z.Phys. A327, 157 (1987)

M.Mayr, K.-H.Speidel, M.Knopp, W.Karle, T.Faestermann, F.Hagelberg, H.-J.Simonis, P.N.Tandon, J.Gerber

Measurements of the g-Factor Ratio of the First 3- and 5- States in 40Ca and the Lifetime of the 5- State

NUCLEAR REACTIONS 40Ca(α, α'), E=13.62 MeV; measured Eγ, Iγ, αγ(θ). 40Ca levels deduced g-factor ratio, T1/2.

1987SP06      Z.Phys. D6, 43 (1987)

K.-H.Speidel, M.Knopp, W.Karle, M.Mayr, F.Hagelberg, H.-J.Simonis, J.Gerber, P.N.Tandon

Transient K-Shell Hyperfine Fields and Deduced Polarizations for Single-Electron C and O Ions in Different Ferromagnets

NUCLEAR REACTIONS 4He(12C, α), E=30.6 MeV; 4He(16O, α), E=14.4 MeV; measured Eα, Iα, αγ-coin, αγ(θ) in polarized Ni, Gd hosts; deduced transient K-shell hyperfine fields.

doi: 10.1007/BF01436996
Citations: PlumX Metrics

1986TR08      Nucl.Phys. A458, 95 (1986)

W.Trolenberg, F.Hagelberg, H.J.Simonis, P.N.Tandon, K.-H.Speidel, M.Knopp, J.Gerber

Transient Magnetic Fields at Ne Ions in Fe and Gd Hosts and a Critical Assessment of 20Ne(4+) g-Factor Measurements.

NUCLEAR REACTIONS 20Ne(α, α'), E=14.2 MeV; 12C(12C, α), E=34.7 MeV; measured γ(θ, H); deduced transient magnetic fields at Ne in Fe, Gd hosts. 20Ne level deduced g.

doi: 10.1016/0375-9474(86)90284-8
Citations: PlumX Metrics

1985KN02      Z.Phys. A320, 635 (1985)

M.Knopp, V.Mertens, F.Hagelberg, K.-H.Speidel, J.Gerber, H.Dekhissi, P.N.Tandon

Atomic Spin Precissions of Fluorine Ions Recoiling Through Vaccuum in Weak Transverse Magnetic Fields

NUCLEAR REACTIONS 19F(α, α'), E=5.5 MeV; measured σ(Eα'), γγ-coin, γγ(θ) for recoil in Ag; deduced multi-electron hyperfine interactions.

doi: 10.1007/BF01411864
Citations: PlumX Metrics

1985KN03      Z.Phys. A322, 13 (1985)

M.Knopp, V.Mertens, K.-H.Speidel, J.Gerber

Average Charge State Dependence in Atomic Spin Precessions of Fluorine Ions Emerging from Iron and Copper

NUCLEAR REACTIONS 19F(α, α'), E=5.5 MeV; measured γγ(θ, H); deduced atomic spin precession charge state dependence. Recoil through vacuum, weak transverse magnetic field.

doi: 10.1007/BF01412012
Citations: PlumX Metrics

1984SP03      Z.Phys. A315, 319 (1984)

K.-H.Speidel, V.Mertens, W.Trolenberg, M.Knopp, H.Neuburger, K.Bharuth-Ram, J.Gerber

g-Factor of the Second 4+ State in 24Mg

NUCLEAR REACTIONS, ICPND 12C(16O, α), E=39-40 MeV; measured α yield vs E, (24Mg)γ-, γ(particle)-coin, γ(particle)(θ), γ(θ, H, t). 24Mg levels deduced g.

doi: 10.1007/BF01438456
Citations: PlumX Metrics

1983SP01      Nucl.Phys. A403, 421 (1983)

K.-H.Speidel, V.Mertens, W.Trolenberg, M.Knopp, H.Neuburger, J.Gerber, K.Bharuth-Ram

g-Factor Measurements of Excited States in 24Mg

NUCLEAR REACTIONS 12C(16O, α), E=34.8-38.7 MeV; measured α-yield, (particle)γ-coin, DSA, γ(θ, H). 24Mg levels deduced g, T1/2.

doi: 10.1016/0375-9474(83)90235-X
Citations: PlumX Metrics

1983SP04      Hyperfine Interactions 15/16, 55 (1983)

K.-H.Speidel, V.Mertens, M.Knopp, W.Trolenberg, H.Neuburger, J.Gerber, K.Bharuth-Ram

Anomalous g-Factor Measurements using Transient Fields

NUCLEAR REACTIONS 12C(12C, α), (16O, α), E not given; measured αγ(θ, H) in Fe, Gd. 20Ne, 24Mg levels deduced g.

doi: 10.1007/BF02159714
Citations: PlumX Metrics

1981SP04      Phys.Lett. 102B, 6 (1981)

K.-H.Speidel, G.J.Kumbartzki, W.Knauer, M.Knopp, V.Mertens, P.N.Tandon, J.Gerber, R.M.Freeman

The g-Factor of the First Excited 2+ State in 26Mg from Transient Field Precession Measurements

NUCLEAR REACTIONS 24Mg(α, α'), E=7.08 MeV; 26Mg(α, α'), E=8.01 MeV; measured γ(θ, H) in Fe, αγ(θ); deduced K-shell ion polarization effects. 26Mg level deduced g.

doi: 10.1016/0370-2693(81)90200-8
Citations: PlumX Metrics

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