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NSR database version of April 11, 2024.

Search: Author = J.Gerber

Found 69 matches.

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2008SP01      Phys.Lett. B 659, 101 (2008)

K.-H.Speidel, S.Schielke, J.Leske, N.Pietralla, T.Ahn, A.Costin, M.v.Schmid, O.Zell, J.Gerber, P.Maier-Komor, S.J.Q.Robinson, A.Escuderos, Y.Y.Sharon, L.Zamick

First g-factor measurements on semi-magic 36S and their implications for the rigidity of the N = 20 shell closure

NUCLEAR REACTIONS 12C(36S, 36S'), (36S, 40Ar), E=70 MeV; measured Eγ, Iγ, T1/2 using transient field technique and DSA; 36S, 40Ar; deduced B(E2), g-factor. Comparison with shell model and previous results.

doi: 10.1016/j.physletb.2007.11.049
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2008SP04      Phys.Rev. C 78, 017304 (2008)

K.-H.Speidel, S.Schielke, J.Leske, N.Pietralla, T.Ahn, A.Costin, O.Zell, J.Gerber, P.Maier-Komor, S.J.Q.Robinson, A.Escuderos, Y.Y.Sharon, L.Zamick

New shell model calculations for 40Ar based on recent g-factor and lifetime measurements

NUCLEAR REACTIONS 12C(36S, 40Ar), E=70 MeV; measured Eγ, Iγ, particle spectra, γγ-coin, (particle)γ-coin, g-factors, B(E2). 40Ar; measured half-lives of 2+ and 4+ states using Doppler-shift attenuation method; deduced levels, J, π.

doi: 10.1103/PhysRevC.78.017304
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2006LE24      Phys.Rev. C 73, 064305 (2006)

J.Leske, K.-H.Speidel, S.Schielke, J.Gerber, P.Maier-Komor, T.Engeland, M.Hjorth-Jensen

Experimental g factor and B(E2) value of the 41+ state in Coulomb-excited 66Zn compared to shell-model predictions

NUCLEAR REACTIONS C(66Zn, 66Zn'), E=180 MeV; measured Eγ, Iγ(θ, H, t), DSA, (recoil)γ-coin following projectile Coulomb excitation. 66Zn levels deduced T1/2, B(E2), g factors. Comparison with neighboring isotopes, shell-model calculations.

doi: 10.1103/PhysRevC.73.064305
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2006LE31      Phys.Rev. C 74, 024315 (2006)

J.Leske, K.-H.Speidel, S.Schielke, J.Gerber, P.Maier-Komor, S.J.Q.Robinson, A.Escuderos, Y.Y.Sharon, L.Zamick

Low-level structure of 70Ge from lifetime and g-factor measurements following α transfer to a 66Zn ion beam

NUCLEAR REACTIONS 12C(66Zn, 2α), (66Zn, 66Zn'), E=180 MeV; measured Eγ, Iγ(θ, H, t), αγ-coin, DSA. 70Ge deduced levels, J, π, T1/2, B(E2), g factor. Comparison with previous results, model predictions.

doi: 10.1103/PhysRevC.74.024315
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2006SP01      Phys.Lett. B 632, 207 (2006)

K.-H.Speidel, S.Schielke, J.Leske, J.Gerber, P.Maier-Komor, S.J.Q.Robinson, Y.Y.Sharon, L.Zamick

Experimental g factors and B(E2) values in Ar isotopes: Crossing the N = 20 semi-magic divide

NUCLEAR REACTIONS 12C(32S, 8Be), (34S, 8Be), (32S, 32S'), E=65-67 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin, DSA. 36,38Ar, 32S levels deduced g factors, T1/2, B(E2). Transient field technique.

doi: 10.1016/j.physletb.2005.10.052
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2005LE12      Phys.Rev. C 71, 034303 (2005)

J.Leske, K.-H.Speidel, S.Schielke, O.Kenn, D.Hohn, J.Gerber, P.Maier-Komor

Experimental g factors and B(E2) values of 2+1, 4, +12+2, and 3-1 states in 64Zn and 68Zn compared to shell model predictions

NUCLEAR REACTIONS C(64Zn, 64Zn'), (68Zn, 68Zn'), E=180 MeV; measured Eγ, Iγ(θ, H, t), γγ-, (particle)γ-coin, DSA following projectile Coulomb excitation. 64,68Zn levels deduced g factors, T1/2, B(E2). Transient-field technique, large-scale shell model calculations.

doi: 10.1103/PhysRevC.71.034303
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2005LE19      Phys.Rev. C 71, 044316 (2005)

J.Leske, K.-H.Speidel, S.Schielke, O.Kenn, J.Gerber, P.Maier-Komor, S.J.Q.Robinson, A.Escuderos, Y.Y.Sharon, L.Zamick

Nuclear structure of the first 2+ state in radioactive 68Ge based on g factor and lifetime measurements

NUCLEAR REACTIONS 12C(64Zn, 2α), E=180 MeV; measured Eγ, Iγ(θ, H, t), αα-, αγ-coin. 68Ge deduced level energies, B(E2), g factor. Transient field technique.

doi: 10.1103/PhysRevC.71.044316
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2005LE38      Phys.Rev. C 72, 044301 (2005)

J.Leske, K.-H.Speidel, S.Schielke, J.Gerber, P.Maier-Komor, T.Engeland, M.Hjorth-Jensen

Dominant (g9/2)2 neutron configuration in the 4+1 state of 68Zn based on new g factor measurements

NUCLEAR REACTIONS C(68Zn, 68Zn'), E=180 MeV; measured Eγ, Iγ(θ, H, t) (particle)γ-coin following projectile Coulomb excitation. 68Zn levels deduced g factors, T1/2, B(E2), configurations. 64Zn levels analyzed g factors, B(E2). Large-scale shell-model calculations.

doi: 10.1103/PhysRevC.72.044301
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2004VA06      Nucl.Instrum.Methods Phys.Res. B217, 202 (2004)

K.van der Meer, M.B.Goldberg, E.H.Lehmann, H.Ait Abderrahim, D.Bar, D.Berkovits, M.Daum, S.Dekelver, Y.Foucher, J.Gerber, F.Van Gestel, W.Hajdas, H.-P.Linder, E.Malambu, I.Mardor, J.Oeyen, D.Saphier, A.Shor, M.Willekens, Y.Yariv

Spallation yields of neutrons produced in thick lead/bismuth targets by protons at incident energies of 420 and 590 MeV

NUCLEAR REACTIONS Pb, Bi(p, nX), E=300, 420, 590 MeV; measured thick target spallation neutron yields. Activation technique.

doi: 10.1016/j.nimb.2003.10.009
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2003LE01      Phys.Lett. 551B, 249 (2003)

J.Leske, K.-H.Speidel, O.Kenn, S.Schielke, G.Muller, J.Gerber, N.Benczer-Koller, G.Kumbartzki, P.Maier-Komor

New measurements of the g factor of the 20Ne(41+) state with fs lifetime

NUCLEAR REACTIONS 12C(12C, α), E=34.5 MeV; measured Eγ, Iγ(θ, H, t), αγ-coin, DSA. 20Ne levels deduced T1/2, g factors. Transient field technique.

doi: 10.1016/S0370-2693(02)03067-8
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2003SC19      Phys.Lett. B 567, 153 (2003)

S.Schielke, K.-H.Speidel, O.Kenn, J.Leske, N.Gemein, M.Offer, Y.Y.Sharon, L.Zamick, J.Gerber, P.Maier-Komor

First measurement and shell model interpretation of the g factor of the 2+1 state in self-conjugate radioactive 44Ti

NUCLEAR REACTIONS 12C(40Ca, 12C), (40Ca, 8Be), E=95 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin, DSA. 44Ti levels deduced g factors, B(E2), T1/2. Comparison with shell model predictions.

doi: 10.1016/j.physletb.2003.06.027
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2003SC21      Phys.Lett. B 571, 29 (2003)

S.Schielke, D.Hohn, K.-H.Speidel, O.Kenn, J.Leske, N.Gemein, M.Offer, J.Gerber, P.Maier-Komor, O.Zell, Y.Y.Sharon, L.Zamick

Evidence for 40Ca core excitation from g factor and B(E2) measurements on the 2+1 states of 42, 44Ca

NUCLEAR REACTIONS C(42Ca, 42Ca'), (44Ca, 44Ca'), E=95 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin, DSA following projectile Coulomb excitation. 42,44Ca deduced levels T1/2, g factors, B(E2), core excitation effects. Transient field technique. Comparison with shell model predictions.

doi: 10.1016/j.physletb.2003.08.015
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2003SP04      Phys.Rev. C 68, 061302 (2003)

K.-H.Speidel, S.Schielke, O.Kenn, J.Leske, D.Hohn, H.Hodde, J.Gerber, P.Maier-Komor, O.Zell, Y.Y.Sharon, L.Zamick

Nuclear structure of the stable even-A calcium isotopes based on new experiments and shell model calculations

NUCLEAR REACTIONS 12C(46Ca, 46Ca'), (46Ca, 50Ti), E=95 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin following projectile Coulomb excitation and α transfer. 46Ca, 50Ti deduced transitions g-factors, B(E2), level configurations. Transient field technique.

NUCLEAR STRUCTURE 42,44,46Ca; calculated g-factors, B(E2). Large-scale shell model, comparison with data.

doi: 10.1103/PhysRevC.68.061302
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2002KE02      Phys.Rev. C65, 034308 (2002)

O.Kenn, K.-H.Speidel, R.Ernst, S.Schielke, S.Wagner, J.Gerber, P.Maier-Komor, F.Nowacki

Measurements of g Factors and Lifetimes of Low-Lying States in 62-70Zn and Their Shell Model Implication

NUCLEAR REACTIONS C(64Zn, 64Zn'), (66Zn, 66Zn'), (68Zn, 68Zn'), (70Zn, 70Zn'), E=160 MeV; measured Eγ, Iγ(θ, H, t), DSA following projectile Coulomb excitation. 12C(58Ni, 2α), E=155 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin, DSA. 62,64,66,68,70Zn levels deduced g factors, T1/2, B(E2), configurations. Transient field technique.

doi: 10.1103/PhysRevC.65.034308
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2001KE02      Phys.Rev. C63, 021302 (2001)

O.Kenn, K.-H.Speidel, R.Ernst, J.Gerber, N.Benczer-Koller, G.Kumbartzki, P.Maier-Komor, F.Nowacki

Striking Harmony between the Nuclear Shell Model and New Experimental g Factors and B(E2) Values of Even Ni Isotopes

NUCLEAR REACTIONS 12C(58Ni, 58Ni'), (60Ni, 60Ni'), (62Ni, 62Ni'), (64Ni, 64Ni'), E=155, 160 MeV; measured Eγ, (12C)γ-coin following Coulomb excitation and Ni orientation in cooled, magnetized foil. 58,60,62,64Ni deduced first 2+ T1/2, B(E2), g-factors. Transient magnetic field technique, comparison with Shell Model calculations.

doi: 10.1103/PhysRevC.63.021302
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2001KE08      Phys.Rev. C63, 064306 (2001)

O.Kenn, K.-H.Speidel, R.Ernst, J.Gerber, P.Maier-Komor, F.Nowacki

Measurements of g Factors and Lifetimes of Low Lying States in 58-64 Ni and Their Shell Model Implications

NUCLEAR REACTIONS Ta(58Ni, 58Ni'), (60Ni, 60Ni'), (62Ni, 62Ni'), (64Ni, 64Ni'), E=155, 160 MeV; measured Eγ, Iγ(θ, H, t), DSA following projectile Coulomb excitation. 58,60,62,64Ni levels deduced T1/2, g factors, B(E2). Transient field technique. Comparisons with previous results, model predictions.

doi: 10.1103/PhysRevC.63.064306
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2001WA36      Phys.Rev. C64, 034320 (2001)

S.Wagner, K.-H.Speidel, O.Kenn, R.Ernst, S.Schielke, J.Gerber, P.Maier-Komor, N.Benczer-Koller, G.Kumbartzki, Y.Y.Sharon, F.Nowacki

New Measurement of the g Factor of the 54Cr(21+) State and Its Shell Model Interpretation

NUCLEAR REACTIONS C(54Cr, 54Cr'), E=115 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin following projectile Coulomb excitation. 54Cr level deduced g factor. Transient field technique, comparison with neighboring isotopes and with large-scale shell model calculations.

doi: 10.1103/PhysRevC.64.034320
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2000ER01      Phys.Rev.Lett. 84, 416 (2000)

R.Ernst, K.-H.Speidel, O.Kenn, U.Nachum, J.Gerber, P.Maier-Komor, N.Benczer-Koller, G.Jakob, G.Kumbartzki, L.Zamick, F.Nowacki

Stringent Test of Shell Model Calculations in fp Shell Nuclei 46, 48Ti and 50, 52Cr from Measurements of g Factors and B(E2) Values

NUCLEAR REACTIONS C(46Ti, 46Ti'), (48Ti, 48Ti'), (50Cr, 50Cr'), (52Cr, 52Cr'), E=110-120 MeV; measured Eγ, Iγ(θ, H, t), DSA following projectile Coulomb excitation. 46,48Ti, 50,52Cr levels deduced T1/2, B(E2), g-factors. Transient field technique. Comparison with shell model predictions.

doi: 10.1103/PhysRevLett.84.416
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2000ER06      Phys.Rev. C62, 024305 (2000); Comment Phys.Rev. C64, 069801 (2001)

R.Ernst, K.-H.Speidel, O.Kenn, A.Gohla, U.Nachum, J.Gerber, P.Maier-Komor, N.Benczer-Koller, G.Kumbartzki, G.Jakob, L.Zamick, F.Nowacki

Shell Structure of Ti and Cr Nuclei from Measurements of g Factors and Lifetimes

NUCLEAR REACTIONS C, Cu, Gd(46Ti, 46Ti'), (48Ti, 48Ti'), (50Cr, 50Cr'), (52Cr, 52Cr'), E=110-120 MeV; measured Eγ, Iγ(θ, H, t) following projectile Coulomb excitation. 46,48Ti, 50,52Cr deduced transitions g factors, B(E2). Transient field technique. Comparison with large scale shell model calculations.

doi: 10.1103/PhysRevC.62.024305
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2000SP08      Phys.Rev. C62, 031301 (2000)

K.-H.Speidel, R.Ernst, O.Kenn, J.Gerber, P.Maier-Komor, N.Benczer-Koller, G.Kumbartzki, L.Zamick, M.S.Fayache, Y.Y.Sharon

Core Polarization in the Light of New Experimental g Factors of fp Shell, N = 28, Isotones

NUCLEAR REACTIONS C(50Ti, 50Ti'), E=110 MeV; C(54Fe, 54Fe'), E=130 MeV; measured Eγ, Iγ(θ, H, t) in magnetized Gd following projectile Coulomb excitation. 50Ti, 54Fe levels deduced g factors, T1/2. Transient field technique. Comparison with shell model predictions.

NUCLEAR STRUCTURE 49Sc, 50Ti, 51V, 52Cr, 53Mn, 54Fe, 55Co; calculated g factors. Shell model, several interactions compared. Comparisons with data.

doi: 10.1103/PhysRevC.62.031301
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1997GR19      Phys.Rev.Lett. 79, 4538 (1997)

U.Grabowy, K.-H.Speidel, J.Cub, H.Busch, H.-J.Wollersheim, G.Jakob, A.Gohla, J.Gerber, M.Loewe

Evidence for Transient Electric Field Gradients in H-Like Ions Traversing Gd Targets at High Velocities

NUCLEAR REACTIONS Ag, Gd(20Ne, 20Ne'), Gd(32S, 32S'), (52Cr, 52Cr'), Pb, Gd(40Ar, 40Ar'), (54Fe, 54Fe'), Pb, Fe(62Ni, 62Ni'), E not given; analyzed (particle)γ(θ) in polarized target following Coulomb excitation; deduced transient electric field gradient.

doi: 10.1103/PhysRevLett.79.4538
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1997GR24      Z.Phys. A359, 377 (1997)

U.Grabowy, K.-H.Speidel, J.Cub, H.Busch, H.-J.Wollersheim, G.Jakob, A.Gohla, J.Gerber, M.Loewe

Transient Magnetic Field and Electric Field Gradient of Fast H-Like 52Cr Ions Traversing Gd Targets

NUCLEAR REACTIONS Ta(52Cr, 52Cr'), E=14.5 MeV/nucleon; measured Eγ, Iγ, (particle)γ(θ) following projectile Coulomb excitation; deduced transient magnetic field, transient electric field gradient in Gd backing.

doi: 10.1007/s002180050417
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1997SP04      Z.Phys. A358, 389 (1997)

K.-H.Speidel, L.Kleinen, A.Gohla, R.Ernst, H.Busch, G.Jakob, U.Grabowy, V.Roth, J.Gerber

Transient Field Measurements on Light and Heavy Ions in Amorphous Iron-Boron Compounds

NUCLEAR REACTIONS 197Au(24Mg, 24Mg'), E=100 MeV; 197Au(28Si, 28Si'), E=150 MeV; Mg(48Ti, 48Ti'), E=130 MeV; Mg(56Fe, 56Fe'), E=150 MeV; measured γγ-coin, precession θ in Fe80B20, Fe85B15 hosts following Coulomb excitation; deduced transient, static field contributions, Fe-B strength parameters.

doi: 10.1007/s002180050346
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1996BR35      Yad.Fiz. 59, No 11, 2001 (1996); Phys.Atomic Nuclei 59, 1928 (1996)

H.Braun, J.Hlavacova, V.V.Glagolev, A.Dirner, J.-P.Gerber, P.Juillot, A.K.Kacharava, R.M.Lebedev, G.Martinska, A.Michalon, M.S.Nioradze, G.D.Pestova, T.Sobczak, J.Stepaniak, J.Urban, K.U.Khairetdinov

Investigation of the Mechanisms of Meson-Free 4Hep Interactions

NUCLEAR REACTIONS 1H(α, X), E at 8.6, 13.6 GeV/c; measured meson-free channels associated projectile breakup σ; deduced final state interaction role, Δ-isobar effect role in one case. Liquid hydrogen target.


1996BU17      Z.Phys. A355, 9 (1996)

H.Busch, G.Jakob, K.-H.Speidel, J.Cub, S.Kremeyer, U.Grabowy, A.Gohla, J.Gerber, A.Meens, P.Maier-Komor, C.Rezny, M.Schulz, P.Padberg

Transient Field Measurements on 56Fe- and 80Se-Ions using Segmented Fe-Layers

NUCLEAR REACTIONS Mg(56Fe, 56Fe'), E=150 MeV; 80Se(48Ti, 48Ti'), E=125 MeV; measured (particle)γ-coin following Coulomb excitation.

doi: 10.1007/s002180050071
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1996JA09      Nucl.Phys. A601, 117 (1996)

G.Jakob, K.-H.Speidel, S.Kremeyer, H.Busch, U.Grabowy, A.Gohla, J.Cub, J.Gerber, A.-M.Oros, K.Heyde, J.Rikovska

Spectroscopy of Low-Lying Levels in 81Br and Its Nuclear-Structure Interpretation

NUCLEAR REACTIONS 28Si(81Br, 81Br'), E=210 MeV; measured γ(θ, H) in polarized Gd, (particle)γ-coin following Coulomb excitation, DSA. 81Br levels deduced g, T1/2, δ. Multilayered targets. Models comparison.

doi: 10.1016/0375-9474(96)00085-1
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1995GR25      Nucl.Instrum.Methods Phys.Res. B101, 422 (1995)

U.Grabowy, H.Busch, A.Gohla, K.-H.Speidel, S.Kremeyer, G.Jakob, K.Freitag, J.Gerber, W.Assmann

Preparation and Analysis of Targets with Implanted Thick Ar Layers for In-Beam γ-Spectroscopy

NUCLEAR REACTIONS 40Ar(62Ni, 62Ni'), E=150 MeV; measured Eγ, Iγ following target Coulomb excitation; deduced Ar content of target. Implantation of 40Ar ions in thick Fe layers.

doi: 10.1016/0168-583X(95)00558-7
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1994KR04      Z.Phys. A348, 49 (1994)

S.Kremeyer, K.-H.Speidel, O.Jessensky, H.Busch, U.Grabowy, A.Gohla, J.Cub, G.Jakob, P.Maier-Komor, J.Gerber, A.Meens, F.Hagelberg, T.P.Das

Hyperfine Interaction Studies on Swift O-Ions Emerging with Polarized Electrons from Ferromagnetic Layers into Vacuum

NUCLEAR REACTIONS 4He(16O, 16O'), E=44 MeV; measured γα-coin, particle spectra, Iγ(θ) vs plunger distance for Gd-, Ni-layers; deduced electron polarization in highly stripped O-ions in Gd-, Ni-layers, transient field microscopic structure determining ionic state.

doi: 10.1007/BF01291652
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1994SP01      Phys.Lett. 324B, 130 (1994)

K.-H.Speidel, G.Jakob, U.Grabowy, J.Cub, S.Kremeyer, H.Busch, A.Gohla, O.Jessensky, J.Gerber, A.Meens

Large Transient Magnetic Fields of 28Si Ions in Backscattering through Fe at High Velocities

NUCLEAR REACTIONS Fe(28Si, 28Si'), E=150 MeV; measured 28Si transient field precessions following projectile Coulomb excitation.

doi: 10.1016/0370-2693(94)90398-0
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1994SP05      Nucl.Phys. A578, 300 (1994)

K.-H.Speidel, G.Jakob, J.Cub, S.Kremeyer, H.Busch, U.Grabowy, J.Gerber, J.Rikovska, K.Heyde

Magnetic-Moment and Lifetime Measurements of Coulomb-Excited Levels in 79Br

NUCLEAR REACTIONS 28Si(79Br, 79Br'), E=214 MeV; measured σ(θ, H) in polarized Gd, (particle)γ-coin, Coulomb excitation, DSA. 79Br levels deduced g, T1/2, δ. Multilayered targets. Model comparison.

doi: 10.1016/0375-9474(94)90981-4
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1993CU03      Z.Phys. A345, 1 (1993)

J.Cub, M.Bussas, K.-H.Speidel, W.Karle, U.Knopp, H.Busch, H.-J.Wollersheim, J.Gerl, K.Vetter, C.Ender, F.Kock, J.Gerber, F.Hagelberg

Transient Field Measurements on 32S(2+1) Ions in Gd at the 1s Electron Bohr Velocity

NUCLEAR REACTIONS Gd(32S, 32S'), E=260 MeV; measured γ(particle)(θ, φ) following Coulomb excitation; deduced 32S(2+) ions transient field in Gd, electric field gradient.

doi: 10.1007/BF01290332
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1993KR24      Hyperfine Interactions 78, 235 (1993)

S.Kremeyer, K.-H.Speidel, H.Busch, U.Grabowy, U.Knopp, J.Cub, M.Bussas, P.Maier-Komor, J.Gerber, A.Meens

Quantum Beat Measurements on Spin-Polarized Electrons in Oxygen Ions Emerging from Magnetized Ni- and Gd-Layers

NUCLEAR REACTIONS 4He(16O, α), E=44 MeV; measured γ-anisotropy, γγ(θ, H, t); deduced highly stripped 16O(3-)-ion spin polarization, 2s-, 1s- electron relative mean degree of polarization. Ions emerging from magnetized Ni, Gd layers.

doi: 10.1007/BF00568144
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1993SP01      Nucl.Phys. A552, 140 (1993)

K.-H.Speidel, H.Busch, S.Kremeyer, U.Knopp, J.Cub, M.Bussas, W.Karle, K.Freitag, U.Grabowy, J.Gerber

Measurements of Magnetic Moments of 134,136Xe(2+1) and the Mean Life of the 136Xe(2+1) State

NUCLEAR REACTIONS 132,134Xe(32S, 32S'), E=100 MeV; measured γ(θ, H) in polarized Fe, (particle) γ-coin, Coulomb excitation. 134,136Xe level deduced g, T1/2. Implanted Xe targets.

doi: 10.1016/0375-9474(93)90336-V
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1992SP02      Z.Phys. A342, 17 (1992)

K.H.Speidel, J.Cub, U.Reuter-Knopp, W.Karle, H.Busch, S.Kremeyer, J.Gerber, F.Hagelberg

New Determination of the Magnetic Moment of the 54Fe(2+1) State

NUCLEAR REACTIONS 28Si(56Fe, 56Fe'), (54Fe, 54Fe'), E=150 MeV; measured (particle)γ-coin, (particle)γ(θ), γ-anisotropy following Coulomb excitation. 54Fe level deduced g-factor 2+. Transient magnetic fields, ferromagnetic Gd host.

doi: 10.1007/BF01294482
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1991SP04      Z.Phys. A340, 333 (1991)

K.-H.Speidel, J.Cub, W.Karle, F.Passek, U.Reuter, M.Weidinger, J.Gerber

In-Beam Magnetization Measurements of Thin Fe Foils and Simultaneous Observation of the Transient Magnetic Field at Pd Ions

NUCLEAR REACTIONS 108Pd(58Ni, 58Ni'), E=160 MeV; measured γ(58Ni)-coin following Coulomb excitation, γ-anisotropy; deduced recoil Pd-ion transient field.

doi: 10.1007/BF01294682
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1989BR30      Czech.J.Phys. B39, 1267 (1989)

H.Braun, A.Dirner, J.P.Gerber, V.V.Glagolev, J.Hlavacova, P.Juillot, A.K.Kacharava, K.U.Khairetdinov, R.M.Lebedev, G.Martinska, A.Michalon, M.S.Nioradze, J.Patocka, G.D.Pestova, Z.R.Salukvadze, M.Seman, T.Sobczak, J.Stepaniak, L.Sandor, J.Urban

Cross Sections of the Interactions of 4He Nuclei with Protons at 8.6 and 13.6 GeV/c

NUCLEAR REACTIONS 1H(α, α), E at 8.6, 13.6 GeV/c; measured σ(θ), total, topological σ. Glauber model analysis.

doi: 10.1007/BF01605327
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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
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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
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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
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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
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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
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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
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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
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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
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1984GL04      Z.Phys. A317, 335 (1984)

V.V.Glagolev, R.M.Lebedev, L.I.Zhuravleva, M.Bano, M.Seman, L.Sandor, J.Hlavacova, G.Martinska, J.Patocka, J.Urban, V.V.Gladun, A.N.Gorbunov, K.U.Khairetdinov, H.Braun, J.P.Gerber, P.Juillot, A.Michalon, D.V.Gersamia, M.S.Nioradze, T.Sobczak, J.Stepaniak, P.Zielinski

Possible Dibaryon States Produced in 4He-Proton Interactions

NUCLEAR REACTIONS 4He(p, n2p), E at 8.6 GeV/c; measured two-proton effective mass distribution following 4He breakup; deduced possible di-baryon states. Hydrogen bubble chamber.


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
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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
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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
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1982SP02      Nucl.Phys. A378, 130 (1982)

K.-H.Speidel, P.N.Tandon, V.Mertens, W.Trolenberg, G.J.Kumbartzki, N.Ayres de Campos, M.B.Goldberg, J.Gerber, M.Toulemonde

The g-Factor of the Yrast 4+ State in 20Ne from Transient-Field Precession Measurements

NUCLEAR REACTIONS 12C(12C, α), E=32.6, 33.5 MeV; measured σ(Eγ, θ), γ(θ, B), DSA. 20Ne level deduced g, T1/2.

doi: 10.1016/0375-9474(82)90386-4
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1982ZE01      Z.Phys. A304, 269 (1982)

A.Zemel, C.Broude, E.Dafni, A.Gelberg, M.B.Goldberg, J.Gerber, G.J.Kumbartzki, K.-H.Speidel

Magnetic Moment of the 19/2+ Isomer in 135Ce

NUCLEAR REACTIONS 122Sn(16O, 3n), E=62 MeV; measured Eγ, Iγ, γ(t), recoil, γ(θ, H). 135Ce level deduced g, configuration, T1/2.

doi: 10.1007/BF01414502
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1982ZE04      Nucl.Phys. A383, 165 (1982)

A.Zemel, C.Broude, E.Dafni, A.Gelberg, M.B.Goldberg, J.Gerber, G.J.Kumbartzki, K.-H.Speidel

Magnetic Moments at Backbending and Spectroscopy of 134Ce

NUCLEAR REACTIONS 122Sn(16O, 4n), E=75, 80 MeV; measured Iγ(E), γ(t), γγ-coin, recoil, γ(θ), oriented nuclei. 134Ce deduced levels, J, π, δ, T1/2, g. Fe, Gd hosts.

doi: 10.1016/0375-9474(82)90081-1
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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
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1980GO14      Phys.Lett. B97, 351 (1980)

M.B.Goldberg, C.Broude, E.Dafni, A.Gelberg, J.Gerber, G.J.Kumbartzki, Y.Niv, K.H.Speidel, A.Zemel

Two Neutron-Dominated 10+ States in 134Ce

RADIOACTIVITY 134Ce [from 122Sn(16O, 4n), E=75 MeV]; measured γγ-coin, Eγ, Iγ(θ), γ(θ, H, t); deduced levels, T1/2, g, J, π, γ-branching, γ-multipolarity, E2 transition strength, configuration.

doi: 10.1016/0370-2693(80)90617-6
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1980SP02      Phys.Lett. 92B, 289 (1980)

K.-H.Speidel, G.J.Kumbartzki, W.Knauer, V.Mertens, P.N.Tandon, N.Ayres de Campos, J.Gerber, M.B.Goldberg

The g-Factor of the First Excited 4+ State in Backbending 20Ne

NUCLEAR REACTIONS 12C(12C, α), E=32.6 MeV; measured γγ(θ, H) in Fe, γα-coin. 20Ne level deduced g.

doi: 10.1016/0370-2693(80)90266-X
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1980SP03      Nucl.Phys. A344, 176 (1980)

K.-H.Speidel, G.J.Kumbartzki, W.Kauner, R.Kuhnen, G.Kraft, J.Gerber, M.B.Goldberg, G.Goldring, A.Zemel

Hyperfine Interaction and g-Factor Measurements in Er Isotopes

NUCLEAR REACTIONS 28Si(136Xe, xn), E=630 MeV; measured σ(θ, γ) vs product flight time; deduced hyperfine field, correlation time. 159Er level deduced g. Plunger technique, H2 gas pressure.

doi: 10.1016/0375-9474(80)90437-6
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1979KU20      Hyperfine Interactions 7, 253 (1979)

G.J.Kumbartzki, K.Hagemeyer, W.Knauer, G.Krosing, R.Kuhnen, V.Mertens, K.-H.Speidel, J.Gerber, W.Nagel

The 12C(21+) State as Probe for Transient Magnetic Fields in Polarized Iron

NUCLEAR REACTIONS 12C(p, p'γ), E=7.3 MeV; 12C(α, α'γ), E=17.9, 24.9 MeV; measured pγ-coin, αγ-coin, Iγ(θ, H) in magnetized Fe; deduced K-shell polarization, effective charge.

doi: 10.1007/BF01021508
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1978GE19      Hyperfine Interactions 4, 257 (1978)

J.Gerber

Enhanced Transient Fields at 56Fe, 110Cd Recoiling in Iron and the 94Zr(2+1) g-Factor

doi: 10.1007/BF01021835
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1976GE01      Phys.Lett. 60B, 338 (1976)

J.Gerber, M.B.Goldberg, K.-H.Speidel

The Sign of the Magnetic Moment of the First 2+ State in 20O

NUCLEAR REACTIONS 18O(t, pγ), E=3.50 MeV; measured pγ-coin, γ(θ, H). 20O level deduced sign of g.

doi: 10.1016/0370-2693(76)90744-9
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1975DA19      Phys.Rev. C12, 1771 (1975)

Y.Dar, J.Gerber, R.Loew, J.P.Vivien

Time-Differential-Free Hyperfine Field Measurement at Low Recoil Velocities

NUCLEAR REACTIONS 152Sm(α, α'γ), E=3, 4 MeV; measured αγ(θ, t). 152Sm deduced hyperfine field.

doi: 10.1103/PhysRevC.12.1771
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1975FO03      Phys.Lett. 55B, 56 (1975)

M.Forterre, J.Gerber, J.P.Vivien, M.B.Goldberg, K.-H.Speidel

The Sign of the Magnetic Moment of the First 2+ State in 18O

NUCLEAR REACTIONS 18O(α, α'), E=7.40 MeV; measured α'γ(θ, H, t). 18O level deduced sign of g.

doi: 10.1016/0370-2693(75)90186-0
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1975FO06      Phys.Rev. C11, 1976 (1975)

M.Forterre, J.Gerber, J.P.Vivien, M.B.Goldberg, K.-H.Speidel, P.N.Tandon

Transient Field at Nitrogen Nuclei Recoiling in Iron and the Magnetic Moment of the 15N First Excited State

NUCLEAR REACTIONS 13,14C(3He, pγ), E=2-4 MeV; measured pγ-coin, W(θ). 15,16N levels deduced g, transient field. Recoil in magnetized Fe.

doi: 10.1103/PhysRevC.11.1976
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1972DA25      Z.Phys. 256, 253 (1972)

Y.Dar, J.Gerber, A.Macher, J.P.Vivien

Lifetime of the Second Excited State in 157Gd

NUCLEAR REACTIONS reaction not specified; measured delays. 157Gd level deduced T1/2.

doi: 10.1007/BF01392098
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1971DA29      Nucl.Instrum.Methods 97, 251 (1971)

Y.Dar, J.Gerber, A.Macher, J.P.Vivien

A New Version of the Microwave Method

NUCLEAR REACTIONS 187Re, 175Lu(α, α'γ), E=4 MeV; measured αce-delay. 187Re, 175Lu levels deduced T1/2. Microwave method.

doi: 10.1016/0029-554X(71)90279-5
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1970AR02      Nucl.Phys. A143, 315 (1970)

R.Armbruster, Y.Dar, J.Gerber, A.Macher, J.P.Vivien

The Mean Lives of the First Excited States in 181Ta and 165Ho

NUCLEAR REACTIONS 181Ta, 165Ho(α, α'γ), Eα = 3.8 MeV; microwave-pulsed beam; measured αce delay. 181Ta, 165Ho level deduced T1/2, B(M1), gK, gR.

doi: 10.1016/0375-9474(70)90566-X
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1970AR22      Nucl.Phys. A153, 460 (1970)

R.Armbruster, Y.Dar, J.Gerber, A.Macher, J.P.Vivien

Probabilites de Transition entre les Deux Premiers Etats Excites de 159Tb

NUCLEAR REACTIONS 159Tb(α, α'γ), Eα=4.0 MeV; measured αce-delay. 159Tb level deduced T1/2, μ, gK, gR. Micro-wave pulsed beam.

doi: 10.1016/0375-9474(70)90784-0
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1969DA17      Nucl.Phys. A137, 273 (1969)

Y.Dar, J.Gerber, A.Macher, J.P.Vivien

The B(E2) Ratio of Transitions to the First Excited States in 185Re and 187Re

NUCLEAR REACTIONS 185,187Re(α, α'γ), E = 4 MeV; measured Iγ, I(ce). 185,187Re deduced B(E2) ratios.

doi: 10.1016/0375-9474(69)90108-0
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Note: The following list of authors and aliases matches the search parameter J.Gerber: , J.P.GERBER